JP3815706B2 - reactor - Google Patents

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Publication number
JP3815706B2
JP3815706B2 JP22061099A JP22061099A JP3815706B2 JP 3815706 B2 JP3815706 B2 JP 3815706B2 JP 22061099 A JP22061099 A JP 22061099A JP 22061099 A JP22061099 A JP 22061099A JP 3815706 B2 JP3815706 B2 JP 3815706B2
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JP
Japan
Prior art keywords
insulating cover
lead wire
coil
reactor
view
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 - Fee Related
Application number
JP22061099A
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Japanese (ja)
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JP2001044050A (en
Inventor
昇一 水本
吉宏 徳田
聖三 加藤
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Tamura Corp
Original Assignee
Tamura Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to JP22061099A priority Critical patent/JP3815706B2/en
Publication of JP2001044050A publication Critical patent/JP2001044050A/en
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Publication of JP3815706B2 publication Critical patent/JP3815706B2/en
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Description

【0001】
【発明の属する技術分野】
この発明は、民生用の電子機器に用いられるボビンレスタイプのリアクターであって、コイルの引出線とリード線との接続処理を絶縁カバーを用いて行うようにしたリアクターに関する。
【0002】
【従来の技術】
この種のリアクターは、ボビンレスコイルにコアが組込まれ、かつコイルの引出線にリード線が接続されるなどして構成されている。
【0003】
【発明が解決しようとする課題】
この場合、コイルがコイルボビンに巻回されるタイプのものであれば、コイルの引出線はコイルボビンのフランジに植設された端子に絡げ付けて処理されるが、ボビンレスタイプのものにおいては、絡げ付ける端子がないため、引出線とリード線との接続のしやすさ、接続部の絶縁性の確保などについて工夫が必要であった。
【0004】
この発明は上記のことに鑑み提案されたもので、その目的とするところは、ボビンレスタイプのものにおいて、簡単に絶縁カバーを取付けることができ、コイルの引出線の処理の作業性、絶縁性を図り得るとともに、絶縁カバーは安価な材料で形成できるリアクターを提供することにある。
【0005】
【課題を解決するための手段】
ボビンレスのコイル1にコア2を組込んでなる組立体にほぼ矩形をなす取付金具4を取付けてリアクター本体を構成し、この取付金具4の一辺4bには折曲可能な固定爪4dを有する絶縁カバー取付部4cが形成され、この絶縁カバー取付部4cに絶縁カバー5の取付板5aを載置し、前記固定爪4dを折曲して固定し、かつ絶縁カバー5の上方部には前記コイル1と隙間gを介して設けられた絶縁カバー本体5eが形成され、この絶縁カバー本体5eには2つの分離した筒状のリード線収納部5fが形成され、一方のリード線収納部5fに前記コイル1の巻始めの引出線1aと一方のリード線6との接続部を挿通・収納し、他方のリード線収納部5fには巻終わりの引出線1bと他方のリード線6との接続部を挿通・収納した構成とし、上記目的を達成している。
【0006】
また、リアクター本体含浸後に配線を行うようにしている。
【0007】
【発明の実施の形態】
この発明では、ボビンレスタイプのリアクターの取付金具に絶縁カバーを簡単に取付け、この絶縁カバーによって引出線とリード線との接続部をコイルと若干離れた位置に収納・保持するようにし、絶縁カバーは安価な材料でも良いようにしている。
【0008】
【実施例】
図1は本発明の一実施例の斜視図、図2(a)は平面図、(b)は正面図、(c)は右側面図、図3(a)は本発明に用いられる取付金具の平面図、(b)は正面図、(c)は取付金具に設けられた固定爪の説明図、図4(a)は本発明に用いられる絶縁カバーの平面図、(b)は正面図、(c)は絶縁カバーの取付板の底面図、(d)は右側面図、(e)は(b)図中B−B線断面図、(f)は同C−C線断面図を示す。
【0009】
まず、図1および図2(a)〜(c)を参照しつつ本発明の一実施例にかかるリアクターの基本構成について説明する。
【0010】
図中、1は巻回されたボビンレスのコイルであり、その中央の中空部にコア2の中央脚が挿通され、コイル1とコア2との組立体が構成される。コア2は例えばE型コア2aと、このコア2aの端面に接合されたI型コア2bにて構成されている。なお、コイル1には角筒状の絶縁紙3が設けられている。
【0011】
4は組立体の下部に設けられた取付孔4aを有する取付金具であり、これによってリアクター本体が構成される。この取付金具4は溶接によりコア2の下部と一体化される。また、この取付金具4の一辺4bには外側に向って突出した絶縁カバー取付部4cが形成されている。この絶縁カバー取付部4cの両側部には短冊状の折曲可能な固定爪4dが形成されている。固定爪4dは絶縁カバー取付部4cの両側部にそれぞれ形成されている。
【0012】
5は樹脂を成形してなる絶縁カバーであり、絶縁カバー取付部4cにその底部の取付板5aが載置され、固定爪4dを折曲することにより取付け、固定される。
【0013】
この絶縁カバー5の支柱5cの外面中央部には縦方向に補強用のリブ5dが形成されている。また、支柱5cの上方部には絶縁カバー本体5eが形成されている。絶縁カバー本体5eには縦方向、つまり上下の高さ方向に両端が開口した筒状のリード線収納部5fがそれぞれ形成されている。
【0014】
上方のリード線収納部5f内にはコイル1の巻始めの引出線1aと一方のリード線6との各心線同士を撚り合わせた接続部が接続後、挿入して収納される。また、下方のリード線収納部5f内には他方のリード線6とコイル1の巻終わりの引出線1bとの接続部が収納される。各リード線6の他端には周知構造のコネクター7が接続される。
【0015】
絶縁カバー本体5eの内面とコイル1の対向する外表面との間には2〜3mm程度の隙間gが形成されるように取付金具4の絶縁カバー取付部4cに絶縁カバー5が取付けられる。コイル1と絶縁カバー5との隙間gが極く僅かであったり、あるいは接触する構造であると、使用時にコイル1に発生する熱対策として商品名ノーメック等のような耐熱性の高い材質にて絶縁カバー5を成形する必要がある。しかしながら、この発明のようにコイル1と絶縁カバー5との間に隙間gを設ければ、絶縁カバー5はコイル1に触れないため、耐熱性について特別な配慮の必要がなく、例えば商品名FRペット等の安価な材料を用いることができる。
【0016】
次に取付金具4の更に細かな構成について図3(a)〜(c)を参照しつつ説明する。
【0017】
取付金具4はほぼ矩形をなし、かつ鉄板の如き材質からなり、四隅に円形の取付孔4aが形成されている。
【0018】
また、一辺4bに形成された絶縁カバー取付部4cは、図3(a)、(b)に示すように,中央部よりやや左側の位置に設けられている。
【0019】
固定爪4dは絶縁カバー取付部4cの両側部に上方に向って立設されている。そして、この固定爪4dには、図3(c)に示すように、折曲しやすいようにその両側の下方位置に切欠き4d′が形成されている。
【0020】
次に絶縁カバー5の詳細について図4(a)〜(f)を参照しつつ説明する。
【0021】
絶縁カバー本体5eには2つの筒状のリード線収納部5fが上下に形成され、その内部に図1、図2(a)〜(c)に示したように、巻始め、巻終わりの引出線1a、1bと各リード線6との接続部が挿通して収納、固定され、接続部の処理および絶縁性が確保されている。
また、2つのリード線収納部5fはやや離間しており、各接続部の絶縁が図られ、かつその間には、(d)に示すように、連結部5hが設けられ、強度が確保されている。
【0022】
また、支柱5cの中央に設けられた補強用のリブ5dの両側の下部には、(e)に示すように、取付板5aにかけてテーパ状の肉厚部5gが形成され、強度が確保されている。
【0023】
また、詳しくは図4(b)に示すように、絶縁カバー本体5eの一端部には凹部5jを有する突部5iが形成されている。これらの部材には、例えば図1に示したように、リード線6をリード線収納部5fに挿入した場合、外部に露出した一対のリード線6がフラ付くのを防止するためのもので、凹部5jを介しリード線6を束線バンド等(図示せず)で束ねるためのものである。
【0024】
【発明の効果】
以上のように本発明によれば、ボビンレスコイルタイプのリアクターにおいて、絶縁カバー5に形成されたリード線収納部5fを介してコイル1の引出線1a、1bと各リード線6とを確実に接続して絶縁性を確保できる。
【0025】
また、絶縁カバー5とコイル1との間に隙間gを設けたため、特別耐熱性を有する材料を用いる必要がなく、安価な材料を使用し得る。
【0026】
さらに、絶縁カバー5は取付金具4の固定爪4dを折曲するだけで簡単に取付けることができる。
【0027】
さらに、また、リアクター本体を含浸後に絶縁カバー5を取付け、配線できるため、リード線6やコネクター7の汚れを防止することができる。なお、リアクター本体に絶縁カバー5を取付けた後に含浸、配線しても良いことは勿論であり、この場合も汚れ防止という同様の利点を奏することができる。
【図面の簡単な説明】
【図1】 本発明の一実施例の斜視図を示す。
【図2】 (a)は本発明の一実施例の平面図、(b)は正面図、(c)は右側面図を示す。
【図3】 (a)は本発明に用いられる取付金具の平面図、(b)は正面図、(c)は固定爪の側面図を示す。
【図4】 (a)は本発明に用いられる絶縁カバーの平面図、(b)は正面図、(c)は底面図、(d)は右側面図、(e)は(b)図中B−B線断面図、(f)は(b)図中C−C線断面図を示す。
【符号の説明】
1 ボビンレスのコイル
1a 巻始め引出線
1b 巻終り引出線
2 コア
2a E型コア
2b I型コア
3 絶縁紙
4 取付金具
4a 取付孔
4b 一辺
4c 絶縁カバー取付部
4d 固定爪
4d′ 切欠き
5 絶縁カバー
5a 取付板
5b 係合部
5c 支柱
5d リブ
5e 絶縁カバー本体
5f リード線収納部
6 リード線
7 コネクター
g 隙間
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a bobbinless type reactor used in consumer electronic equipment, in which a connection process between a lead wire of a coil and a lead wire is performed using an insulating cover.
[0002]
[Prior art]
This type of reactor is configured such that a core is incorporated in a bobbinless coil and a lead wire is connected to a lead wire of the coil.
[0003]
[Problems to be solved by the invention]
In this case, if the coil is of a type that is wound around a coil bobbin, the lead wire of the coil is processed by being entangled with a terminal that is implanted in the flange of the coil bobbin. Since there are no terminals to be entangled, it was necessary to devise measures such as ease of connection between the lead wire and the lead wire, and ensuring insulation of the connection portion.
[0004]
The present invention has been proposed in view of the above, and the object of the invention is a bobbin-less type, in which an insulating cover can be easily attached, workability of coil lead wire processing, insulation It is another object of the present invention to provide a reactor in which an insulating cover can be formed of an inexpensive material.
[0005]
[Means for Solving the Problems]
A reactor body is configured by attaching a substantially rectangular mounting bracket 4 to an assembly in which a core 2 is incorporated in a bobbinless coil 1, and one side 4 b of the mounting bracket 4 has an insulating claw 4 d that can be bent. A cover mounting portion 4c is formed, a mounting plate 5a of the insulating cover 5 is placed on the insulating cover mounting portion 4c, the fixing claw 4d is bent and fixed, and the coil is disposed above the insulating cover 5 1 and an insulating cover body 5e provided through a gap g. The insulating cover body 5e is formed with two separate cylindrical lead wire storage portions 5f. The connecting portion between the lead wire 1a at the beginning of winding of the coil 1 and one lead wire 6 is inserted and stored, and the connecting portion between the lead wire 1b at the end of winding and the other lead wire 6 is inserted into the other lead wire storing portion 5f. Is inserted and stored, and the top It has achieved the objective.
[0006]
In addition, wiring is performed after the reactor body is impregnated.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
In this invention, the insulating cover is simply attached to the mounting bracket of the bobbinless type reactor, and the connecting portion between the lead wire and the lead wire is stored and held at a position slightly separated from the coil by this insulating cover. I am trying to use cheap materials.
[0008]
【Example】
1 is a perspective view of one embodiment of the present invention, FIG. 2A is a plan view, FIG. 1B is a front view, FIG. 3C is a right side view, and FIG. 3A is a mounting bracket used in the present invention. FIG. 4B is a front view, FIG. 4C is an explanatory view of a fixing claw provided on the mounting bracket, FIG. 4A is a plan view of an insulating cover used in the present invention, and FIG. 4B is a front view. , (C) is a bottom view of the mounting plate of the insulating cover, (d) is a right side view, (e) is a cross-sectional view taken along line BB in (b), and (f) is a cross-sectional view taken along line CC. Show.
[0009]
First, a basic configuration of a reactor according to an embodiment of the present invention will be described with reference to FIG. 1 and FIGS. 2 (a) to 2 (c).
[0010]
In the figure, reference numeral 1 denotes a wound bobbinless coil, and a central leg of the core 2 is inserted into a hollow portion at the center thereof, and an assembly of the coil 1 and the core 2 is configured. The core 2 is composed of, for example, an E-type core 2a and an I-type core 2b joined to the end face of the core 2a. The coil 1 is provided with insulating paper 3 having a rectangular tube shape.
[0011]
Reference numeral 4 denotes a mounting bracket having a mounting hole 4a provided in the lower part of the assembly, thereby constituting a reactor main body. The mounting bracket 4 is integrated with the lower portion of the core 2 by welding. Further, an insulating cover mounting portion 4c protruding outward is formed on one side 4b of the mounting bracket 4. On both sides of the insulating cover mounting portion 4c, a strip-like foldable fixing claw 4d is formed. The fixing claws 4d are formed on both sides of the insulating cover mounting portion 4c.
[0012]
Reference numeral 5 denotes an insulating cover formed by molding a resin. A mounting plate 5a at the bottom of the insulating cover is mounted on the insulating cover mounting portion 4c, and is fixed by bending the fixing claw 4d.
[0013]
A reinforcing rib 5d is formed in the vertical direction at the center of the outer surface of the column 5c of the insulating cover 5. An insulating cover main body 5e is formed above the support column 5c. The insulating cover body 5e is formed with cylindrical lead wire storage portions 5f having both ends opened in the vertical direction, that is, in the vertical direction.
[0014]
In the upper lead wire storage portion 5f, a connecting portion in which the core wires of the lead wire 1a at the beginning of winding of the coil 1 and one lead wire 6 are connected is connected and then inserted and stored. A connecting portion between the other lead wire 6 and the lead wire 1b at the end of winding of the coil 1 is accommodated in the lower lead wire accommodating portion 5f. A connector 7 having a known structure is connected to the other end of each lead wire 6.
[0015]
The insulating cover 5 is attached to the insulating cover mounting portion 4c of the mounting bracket 4 so that a gap g of about 2 to 3 mm is formed between the inner surface of the insulating cover main body 5e and the outer surface of the coil 1 facing each other. If the gap g between the coil 1 and the insulating cover 5 is very small or is in contact with the coil 1, it is made of a highly heat-resistant material such as a product name Nomec as a countermeasure against heat generated in the coil 1 during use. It is necessary to mold the insulating cover 5. However, if the gap g is provided between the coil 1 and the insulating cover 5 as in the present invention, the insulating cover 5 does not touch the coil 1, so there is no need for special consideration for heat resistance. Inexpensive materials such as pets can be used.
[0016]
Next, a more detailed configuration of the mounting bracket 4 will be described with reference to FIGS.
[0017]
The mounting bracket 4 is substantially rectangular and made of a material such as an iron plate, and circular mounting holes 4a are formed at four corners.
[0018]
Further, the insulating cover mounting portion 4c formed on one side 4b is provided at a position slightly to the left of the central portion as shown in FIGS. 3 (a) and 3 (b).
[0019]
The fixed claws 4d are erected upward on both sides of the insulating cover mounting portion 4c. Further, as shown in FIG. 3C, the fixed claw 4d is formed with notches 4d ′ at lower positions on both sides thereof so as to be easily bent.
[0020]
Next, details of the insulating cover 5 will be described with reference to FIGS.
[0021]
The insulating cover body 5e is formed with two cylindrical lead wire storage portions 5f on the top and bottom, and as shown in FIGS. 1 and 2 (a) to (c), the winding start and winding end drawing are performed. The connecting portions between the wires 1a and 1b and the lead wires 6 are inserted and stored and fixed, and the processing and insulation of the connecting portions are ensured.
Further, the two lead wire storage portions 5f are slightly separated from each other so that each connection portion is insulated, and a connecting portion 5h is provided between them as shown in FIG. Yes.
[0022]
Further, as shown in (e), a tapered thick portion 5g is formed on the lower portion on both sides of the reinforcing rib 5d provided at the center of the support column 5c so as to ensure strength. Yes.
[0023]
In detail, as shown in FIG. 4B, a projection 5i having a recess 5j is formed at one end of the insulating cover body 5e. For example, as shown in FIG. 1, these members are for preventing the pair of lead wires 6 exposed to the outside from being fluttered when the lead wire 6 is inserted into the lead wire storage portion 5 f. This is for bundling the lead wire 6 with a bundling band or the like (not shown) through the recess 5j.
[0024]
【The invention's effect】
As described above, according to the present invention, in the bobbinless coil type reactor, the lead wires 1a and 1b of the coil 1 and each lead wire 6 are securely connected via the lead wire storage portion 5f formed in the insulating cover 5. It can be connected to ensure insulation.
[0025]
Further, since the gap g is provided between the insulating cover 5 and the coil 1, it is not necessary to use a material having special heat resistance, and an inexpensive material can be used.
[0026]
Furthermore, the insulating cover 5 can be easily attached simply by bending the fixing claw 4d of the mounting bracket 4.
[0027]
Furthermore, since the insulating cover 5 can be attached and wired after impregnating the reactor main body, contamination of the lead wire 6 and the connector 7 can be prevented. Needless to say, the insulation cover 5 may be impregnated and wired after the insulating cover 5 is attached to the reactor main body. In this case, the same advantage of preventing contamination can be obtained.
[Brief description of the drawings]
FIG. 1 shows a perspective view of one embodiment of the present invention.
2A is a plan view of an embodiment of the present invention, FIG. 2B is a front view, and FIG. 2C is a right side view.
3A is a plan view of a mounting bracket used in the present invention, FIG. 3B is a front view, and FIG. 3C is a side view of a fixing claw.
4A is a plan view of an insulating cover used in the present invention, FIG. 4B is a front view, FIG. 4C is a bottom view, FIG. 4D is a right side view, and FIG. 4E is a view in FIG. BB sectional drawing, (f) shows CC sectional view taken on the line in (b) figure.
[Explanation of symbols]
1 Bobbinless coil 1a Winding lead line 1b Winding lead line 2 Core 2a E type core 2b I type core 3 Insulating paper 4 Mounting bracket 4a Mounting hole 4b One side 4c Insulating cover mounting part 4d Fixing claw 4d 'Notch 5 Insulating cover 5a Mounting plate 5b Engaging portion 5c Post 5d Rib 5e Insulating cover body 5f Lead wire storage portion 6 Lead wire 7 Connector g Clearance

Claims (2)

ボビンレスのコイル(1)にコア(2)を組込んでなる組立体にほぼ矩形をなす取付金具(4)を取付けてリアクター本体を構成し、この取付金具(4)の一辺(4b)には折曲可能な固定爪(4d)を有する絶縁カバー取付部(4c)が形成され、この絶縁カバー取付部(4c)に絶縁カバー(5)の取付板(5a)を載置し、前記固定爪(4d)を折曲して固定し、かつ絶縁カバー(5)の上方部には前記コイル(1)と隙間gを介して設けられた絶縁カバー本体(5e)が形成され、この絶縁カバー本体(5e)には2つの分離した筒状のリード線収納部(5f)が形成され、一方のリード線収納部(5f)に前記コイル(1)の巻始めの引出線(1a)と一方のリード線(6)との接続部を挿通・収納し、他方のリード線収納部(5f)には巻終わりの引出線(1b)と他方のリード線(6)との接続部を挿通・収納したことを特徴とするリアクター。A substantially rectangular mounting bracket (4) is attached to an assembly in which the core (2) is assembled into the bobbinless coil (1) to constitute a reactor body, and one side (4b) of this mounting bracket (4) An insulating cover mounting portion (4c) having a bendable fixing claw (4d) is formed, and a mounting plate (5a) of the insulating cover (5) is placed on the insulating cover mounting portion (4c), and the fixing claw (4d) is bent and fixed, and an insulating cover body (5e) is formed above the insulating cover (5) via the coil (1) and a gap g. This insulating cover body (5e) is formed with two separate cylindrical lead wire storage portions (5f). One lead wire storage portion (5f) has a lead wire (1a) at the beginning of winding of the coil (1) and one of the lead wire storage portions (5f). The connecting portion with the lead wire (6) is inserted and stored, and the other lead wire storing portion (5 Reactor, characterized in that the connection portion of the winding end lead line and (1b) the other lead wire (6) is inserted through-housed on). リアクター本体含浸後に配線を行う請求項1記載のリアクター。The reactor according to claim 1, wherein wiring is performed after impregnation of the reactor body.
JP22061099A 1999-08-04 1999-08-04 reactor Expired - Fee Related JP3815706B2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100618253B1 (en) 2005-03-02 2006-09-01 디피씨(주) Structure to insulate high voltage wire of high voltage transformer
JP2011108916A (en) * 2009-11-19 2011-06-02 Cosel Co Ltd Isolation transformer
JP6167895B2 (en) * 2013-12-26 2017-07-26 株式会社オートネットワーク技術研究所 Reactor

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