JP2004319679A - Reactor - Google Patents

Reactor Download PDF

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Publication number
JP2004319679A
JP2004319679A JP2003110162A JP2003110162A JP2004319679A JP 2004319679 A JP2004319679 A JP 2004319679A JP 2003110162 A JP2003110162 A JP 2003110162A JP 2003110162 A JP2003110162 A JP 2003110162A JP 2004319679 A JP2004319679 A JP 2004319679A
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JP
Japan
Prior art keywords
core
cores
mounting
vibration
reactor
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JP2003110162A
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Japanese (ja)
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JP3914509B2 (en
Inventor
Satoshi Matsuo
敏 松尾
Masatoshi Hasu
正利 蓮
Koichi Yamada
浩一 山田
Seita Ito
清太 伊藤
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Tamura Corp
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Tamura Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a reactor wherein noise can be reduced. <P>SOLUTION: The reactor installs primary cores 3 which are made to penetrate a pair of coils 1 of couplet respectively, secondary cores 4 which are arranged on the exterior of each end of the primary cores 3 respectively and constitute an almost square shaped core unit, a pinching member which pinches the core unit and sticks the secondary cores 4 to the primary cores 1 by pressure, and vibration-proofing members 6 which are inserted between the pinching member and the secondary cores 4 and composed of material which has elasticity and into which impregnant does not sink. The reactor also installs tightening hardware 7, 8 of a partitioning separation type, in order that influence which is applied on vibration of the hardware by leakage fluxing agent may be reduced if possible. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
この発明は、いわゆるインバータ回路やアクティブフィルタ回路等に用いられるリアクトルに関する。
【0002】
【従来の技術】
この種のリアクトルは、図10に示すように、コイル10と、このコイル10に挿入された積層コア11と、この積層コア11の上下の端面にギャップを介しロ字状に組込まれる積層コア12とを備えている。
【0003】
これらの部材は、図11に示すように、周囲を囲繞する締付金具13を介し一体化され固定されるが、さらに締付金具13とコアとの間は接着剤またはワニスで固定していた。
【0004】
上記のような磁性材料からなるリアクトルにおいては、必ず、コイル10やコア3、コア4から振動が生じ締付金具13に伝達し騒音が発生するという問題があった。コイル10の周囲に相応の面積を有する締付金具13が存在すると、コア間のギャップ部およびその傍より発生したリーケージフラックスの影響により、締付金具に振動が発生し、さらに騒音が生じる、という問題がある。このため、図10に示すように、締付金具13と積層コア12との間に絶縁紙からなる防振材14が挿入される。
【0005】
【発明が解決しようとする課題】
しかしながら、防振材14は絶縁紙からなるため、含浸中に含浸剤が防振材14に染み込んでしまい、固くなってしまい、結局、振動を防止ないし低減することができず、また、コイル10やコアより発生した振動が締付金具13に伝達し騒音が発生し、環境的に好ましくない、という課題があった。
【0006】
また、リーケージフラックスが金具の振動に及ぼす影響をなるべく少なくする為にコイル10の周囲の締付金具13の面積を極力少なくしたいという課題があった。
【0007】
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、騒音を低減できるリアクトルを提供することにある。
【0008】
【課題を解決するための手段】
この発明は、上記目的を達成するために、並設された一対のコイル1にそれぞれ挿通された第1のコア3と、これらの第1のコア3の各端部の外側にそれぞれ配置され、ほぼロ字状のコアユニットを構成する第2のコア4と、前記コアユニットを挟持し、前記第2のコア4を前記第1のコア1に圧着する挟持部材と、この挟持部材と前記第2のコア4との間に介装され、弾性を有しかつ含浸剤が染み込まない材質からなる防振材6とを備えた構成としている。
また、前記挟持部材は、離間した2つの板状の金具と、これら金具を連結し、かつその間に配置された前記コアユニットを締付けるネジ部材からなる構成としている。
【0009】
【発明の実施の形態】
以下、図面に沿って本発明を説明する。
【0010】
【実施例1】
図1は本発明のリアクトルの一実施例にかかる分解斜視図を示す。
【0011】
図中1は筒状のボビン2の外周に巻回された一対のコイルであり、並置されている。なお、図1では巻始め、巻終わりの引出線の図示は省略している。これらのコイル1の各ボビン2の中空部にはそれぞれ積層タイプの第1のコア3が挿入されている、これらのコア3の各端部はコイル1の端面から外部に若干突出している。
【0012】
4はボビン2内に挿入されたコア3の上下にそれぞれ直交して配設される積層タイプの第2のコアであり、これら第1、第2のコア3、4は全体としてほぼロ字状に配置され、コアユニットが構成される。
【0013】
5は、ボビン2内に挿入されたコア3と、その外側に配置されるコア4との間に設けられる樹脂製のスペーサであり、組立性の向上化とともに、所定の厚みに形成されギャップ材としても機能する。
【0014】
このスペーサ5は長方形をなす平板状の本体5aを有し、本体5aの内面、すなわちコイル1に挿入されたコア3の端部側の両側部には組立性を良くするためにコア3の端部と嵌合する矩形の嵌合部5bが形成されている。すなわち、この嵌合部5bはリブ5cにより矩形に区画形成され、その形状はコア3の端部の形状と対応している。
【0015】
また、本体5aの内面であって両側部の嵌合部5bの間には、本体5aの長さ方向に沿って互いに離間して平行に延びる補強用のリブ5dが形成されている。また、外周面にも補強用リブ5dが形成されている。さらに、外周面の下部から上部にかけても適間隔でもって補強用リブ5dが形成されている。なお、本体5aの外面、すなわち外側に配置されるコア4側は面一状に形成されている。
【0016】
6は振動を吸収するための防振材であり、コア4の外側、すなわちスペーサ5が設けられる位置とは反対の位置に配設される。この防振材6はコア3の上下にそれぞれ配置されるコア4の形状に対応した横長の矩形形状をなし、平板状の本体6aと、その周囲に立設された折曲部6bとによってキャップ状をなし、コア4の外側部分と対応したコア収納部が形成され、コア4の外面および側部に被せて取付けることができるように構成されている。
【0017】
この防振材6の材質としては、振動を吸収すべく弾性を有し、かつ含浸剤が染み込まない材質、例えば可撓性を有する樹脂、ゴム等にて形成されている。この実施例ではゴムを用いている。
【0018】
7は、取付部への取付兼締付金具であり、矩形であって平板状の底板7aには上方に向かって切り起こされた複数個の切り起し片7bが形成されている。これらの切り起し片7bはコア4、防振材6等を位置決めしつつ取付け、固定するためのものである。
【0019】
また、底板7aの長辺側の隅部には外側に向かって突出する取付片7cが形成され、この取付片7cには取付孔7iが形成され、周知のようにネジを用いて、取付部分(図示せず)に取付け固定される。また、長辺側の各隅部の取付片7cの間には上方に向かって折曲形成された補強用の折曲部7dが形成されている。
【0020】
この取付兼締付金具7の上方には、各部材を介して離間して上部締付金具8が配設され、これらはネジ9によって連結され、取付兼締付金具7と上部締付金具8との間の各部材は締付けられ、一体化される。すなわち、ほぼ板状の金具からなる取付兼締付金具7と、これと離間して上方に配置されるほぼ板状の金具からなる上部締付金具8と、これらを連結するネジ9によって挟持部材が構成されている。
【0021】
取付兼締付金具7の底板7aの各短辺側にはネジ取付部7eがそれぞれ形成されている。
【0022】
このネジ取付部7eは短辺側において上方に立上がった折曲部7fと、この折曲部7fの上方部において外側に折曲されたネジ取付片7gとからなり、ネジ取付片7gにはネジが切られたネジ穴7hが形成され、ネジ9の先端部が螺着される。
【0023】
上部締付金具8は上側に配置されるコア4、その外面部に被せられる防振材6上に配置される。この上部締付金具8は、防振材6やコア4の形状にほぼ対応した矩形状の天板8aを有し、この天板8aの長辺側に下方に向って折曲された折曲部8bが形成され、この折曲部8bの内側に防振材6の長辺側の折曲部6bが位置するようになっている。
【0024】
上部締付金具8の天板8bの長さ方向の両端部側には下方に向かって切り起された切り起し片8cがそれぞれ形成され、この切り起し片8cの間に防振材6、コア4等が位置決め固定される。また、天板8aの天井面には振動防止のために、防振材6の本体6aが接合される。
【0025】
天板8aの短辺側には下方に向かって折曲された折曲部8dが形成され、折曲部8dの下端は外側に向かって折曲されたネジ9を挿通するためのネジ穴8fを有する取付片8eがそれぞれ形成されている。
【0026】
組立てにあたっては、図2に示すように、一対のコイル1を横方向に隣設して並設し、各コイル1に挿通された各コア3の端部にスペーサ5の嵌合部5bを嵌合させ、スペーサ5を取付ける。
【0027】
スペーサ5の内側は上述のようにコイル1に挿通された各コア3が位置し、スペーサ5の外側にはコア4がそれぞれ配置される。上下にそれぞれ配設されたコア4の外面側、すなわちスペーサ5とは反対側の面側にはそれぞれ防振材6が被せられる。下側のコア4,防振材6は取付兼締付金具7の各切り起し片7bを介し位置決め固定される。
【0028】
上側のコア4,防振材6の上部には上部締付金具8が被せられ、取付片8eのネジ穴8dにネジ9が挿通され、ネジ9の先端部は下側の取付兼締付金具7の取付片7gのネジ穴7hに螺着される。この組立体に含浸剤が含浸される。
【0029】
図3はこのようにして組立てられたリアクトルの平面図、図4は正面図、図5は側面図を示す。これらの図において符号1aはコイル1の巻始めの引出線、1bは巻終わりの引出線である。
【0030】
上記構成の本発明によれば、締付金具とコア4との間に、含浸剤が染み込むことがない弾性材からなる防振材6が挟み込まれたため、発生した振動を防振材6によって吸収することができ、騒音を防止ないし低減することができる。
【0031】
また、締付金具は下側の取付兼締付金具7と、上側の上部締付金具8とからなり、両者間にコイル1、コア4等を配し、ネジ9により一体化するようにしているため、リーケージフラックスの影響による振動を低減することができる。
【0032】
【実施例2】
図6は本発明の第2実施例の分解斜視図、図7は組立状態の平面図、図8は正面図、図9は側面図を示す。
【0033】
前述の実施例では、上部締付金具8の長さ方向の両端に取付片8eをそれぞれ外側に張り出すように形成した構成のため、その分、長さ寸法が増大する。
【0034】
近年、機器は益々小形化してきており、また、各種電子部品の取付部分もいわゆる高密度化が要求され、設置スペースの制約を受けることから、各種機器類は小形化することが好ましい。
【0035】
図6〜図9に示す本発明の第2実施例では、平面から見てほぼ長方形をなす上方締付金具8において、取付片8e’を上方締付金具8の各長辺側のほぼ中央部にそれぞれ設け、ネジ9は角部が丸味を帯びた一対のコイル1間のデッドスペース部分に挿通するようにし、コンパクト化し、取付面の占有スペースの省スペース化を図ったことに特徴を有している。
【0036】
すなわち、下側の取付兼締付金具7の底板7aの各長辺側の内側中央部には、上側の上方締付金具8の取付片8e’に挿通されたネジ9の先端部を螺着するためのネジ穴7g’が形成されている。
【0037】
したがって、取付兼締付金具7の短辺側には、第1実施例のような取付片7gを設ける必要はなく、単に折曲部7fが形成されている。
【0038】
また、この実施例ではネジ9の先端部を取付兼締付金具8の底板7aのネジ穴7gに直接螺着する構造としたため、ネジ先端部が底板7aの裏側に突出することがある。このため、底板7aの四隅に下方に向かって折曲された折曲部7c’を形成し、その下端を外側に向かって水平方向に折曲し、取付孔7iを有する取付片7cを形成している。
【0039】
なお、上部締付金具8の一方の短辺側に外側に向かって突出形成されたフランジ8fはリアクトルの過昇温度を検知するためのサーミスタの如き感熱素子(図示せず)をネジ穴8gを介し取付けるためのもので、必ずしもこの位置に設ける必要はない。また、仕様によってはこの感熱素子搭載用のフランジ8fはなくても良い。
【0040】
他の構成、作用等は前述の実施例と同様のため、同一部材は同じ符号を用い詳細説明は省略する。
【0041】
【発明の効果】
以上のように請求項1記載によれば、外側の各コア4と、さらにその外側に配設される挟持部材との間に、弾性を有しかつ含浸剤が染み込まない材質からなる防振材6を挟み込み振動を吸収するようにしたので、騒音を防止ないし低減することができる、という効果がある。
また、請求項2記載によれば、挟持部材は離間した2つの板状の金具にて構成し、リーケージフラックスが金具の振動に及ぼす影響を少なくしたことにより、この点からも騒音を低減することができるという効果があり、本発明のリアクトルを使用することにより、特にソーラーシステム用インバータ等の低騒音化に有効である。
【図面の簡単な説明】
【図1】本発明のリアクトルの第1実施例にかかる分解斜視図を示す。
【図2】同上の一部組立斜視図を示す。
【図3】組立てられた第1実施例にかかるリアクトルの平面図を示す。
【図4】同正面図を示す。
【図5】同側面図を示す。
【図6】本発明のリアクトルの第2実施例の分解斜視図を示す。
【図7】同上の平面図を示す。
【図8】同上の正面図を示す。
【図9】同上の側面図を示す。
【図10】従来例の主要構成部材の分解斜視図を示す。
【図11】従来例の斜視図を示す。
【符号の説明】
1 コイル
2 ボビン
3 積層コア
4 積層コア
5 スペーサ
5a 本体
5b 嵌合部
5c リブ
5d 補強用リブ
6 防振材
6a 本体
6b 折曲部
7 取付兼締付金具
7a 底板
7b 切り起し片
7c 取付片
7c’ 折曲部
7d 折曲部
7e ネジ取付部
7f 折曲部
7g ネジ取付片
7g’ ネジ穴
7h ネジ穴
7i 取付孔
8 上部締付金具
8a 天板
8b 折曲部
8c 切り起し片
8d 折曲部
8e 取付片
8f フランジ
8g ネジ穴
9 ネジ
10 コイル
11 積層コア
12 積層コア
13 締付金具
14 防振材
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a reactor used for a so-called inverter circuit, active filter circuit, and the like.
[0002]
[Prior art]
As shown in FIG. 10, a reactor of this type includes a coil 10, a laminated core 11 inserted into the coil 10, and a laminated core 12 that is assembled into a rectangular shape at upper and lower end surfaces of the laminated core 11 with a gap therebetween. And
[0003]
As shown in FIG. 11, these members are integrated and fixed via a clamp 13 surrounding the periphery, and the gap between the clamp 13 and the core is fixed with an adhesive or a varnish. .
[0004]
In the reactor made of the magnetic material as described above, there is a problem that vibration is generated from the coil 10, the core 3, and the core 4 and is transmitted to the fastener 13 to generate noise. When the fastening member 13 having an appropriate area is present around the coil 10, vibration is generated in the fastening member due to the leakage flux generated from the gap between the cores and the vicinity thereof, and further noise is generated. There's a problem. Therefore, as shown in FIG. 10, a vibration isolator 14 made of insulating paper is inserted between the fastener 13 and the laminated core 12.
[0005]
[Problems to be solved by the invention]
However, since the vibration damping material 14 is made of insulating paper, the impregnating agent permeates into the vibration damping material 14 during impregnation, and becomes hard, so that it is impossible to prevent or reduce the vibration, and the coil 10 There is a problem in that vibrations generated from the core and the core are transmitted to the fastener 13 to generate noise, which is environmentally unfavorable.
[0006]
In addition, there is a problem that the area of the fastener 13 around the coil 10 should be reduced as much as possible in order to minimize the influence of the leakage flux on the vibration of the bracket.
[0007]
The present invention has been proposed in view of the above, and an object of the present invention is to provide a reactor capable of reducing noise.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, the present invention is provided with a first core 3 inserted into a pair of coils 1 arranged side by side, and disposed outside each end of the first core 3, A second core 4 constituting a substantially square-shaped core unit, a holding member for holding the core unit and pressing the second core 4 on the first core 1, And a vibration damping material 6 made of a material having elasticity and not impregnated with the impregnating agent.
Further, the holding member is configured to include two plate-shaped metal members separated from each other, and a screw member for connecting the metal members and tightening the core unit disposed therebetween.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described with reference to the drawings.
[0010]
Embodiment 1
FIG. 1 is an exploded perspective view according to one embodiment of the reactor of the present invention.
[0011]
In the figure, reference numeral 1 denotes a pair of coils wound around the outer periphery of a cylindrical bobbin 2, which are juxtaposed. In FIG. 1, the illustration of the lead wires at the beginning and end of the winding is omitted. A first core 3 of a laminated type is inserted into the hollow portion of each bobbin 2 of each of the coils 1. Each end of each of the cores 3 slightly protrudes from the end surface of the coil 1 to the outside.
[0012]
Reference numeral 4 denotes a laminated type second core which is disposed vertically above and below the core 3 inserted into the bobbin 2, and the first and second cores 3 and 4 as a whole have a substantially rectangular shape. To form a core unit.
[0013]
Reference numeral 5 denotes a resin spacer provided between the core 3 inserted into the bobbin 2 and the core 4 disposed outside the core 3. Also works as.
[0014]
The spacer 5 has a rectangular flat plate-shaped main body 5a, and the inner surface of the main body 5a, that is, both ends on the end side of the core 3 inserted into the coil 1, is provided with an end of the core 3 for improving assemblability. A rectangular fitting portion 5b that fits with the portion is formed. That is, the fitting portion 5b is formed into a rectangular shape by the rib 5c, and its shape corresponds to the shape of the end of the core 3.
[0015]
Reinforcing ribs 5d are formed on the inner surface of the main body 5a and between the fitting portions 5b on both sides so as to be separated from each other and extend in parallel along the longitudinal direction of the main body 5a. A reinforcing rib 5d is also formed on the outer peripheral surface. Further, reinforcing ribs 5d are formed at appropriate intervals from the lower part to the upper part of the outer peripheral surface. The outer surface of the main body 5a, that is, the side of the core 4 disposed outside is formed flush.
[0016]
Reference numeral 6 denotes a vibration damping material for absorbing vibration, which is disposed outside the core 4, that is, at a position opposite to a position where the spacer 5 is provided. The vibration isolator 6 has a horizontally long rectangular shape corresponding to the shapes of the cores 4 arranged above and below the core 3, and is formed by a flat plate-shaped main body 6 a and a bent portion 6 b erected therearound. It has a shape, and a core housing portion corresponding to the outer portion of the core 4 is formed, and is configured so as to be able to be attached to the outer surface and the side portion of the core 4.
[0017]
The material of the vibration isolator 6 is made of a material that has elasticity to absorb vibration and does not penetrate the impregnating agent, such as flexible resin or rubber. In this embodiment, rubber is used.
[0018]
Reference numeral 7 denotes a mounting / clamping fitting for the mounting portion, and a plurality of cut-and-raised pieces 7b which are cut and raised upward are formed on a rectangular flat plate-like bottom plate 7a. The cut-and-raised pieces 7b are used for positioning and attaching and fixing the core 4, the vibration isolator 6, and the like.
[0019]
A mounting piece 7c protruding outward is formed at a corner on the long side of the bottom plate 7a, and a mounting hole 7i is formed in the mounting piece 7c. (Not shown). Further, between the mounting pieces 7c at the corners on the long side, a reinforcing bent portion 7d bent upward is formed.
[0020]
Above the mounting / fastening fitting 7, an upper fastening fitting 8 is disposed at a distance via each member, these are connected by screws 9, and the mounting / fastening fitting 7 and the upper fastening fitting 8 are connected. Are clamped and integrated. That is, a mounting / clamping fitting 7 made of a substantially plate-shaped metal fitting, an upper fastening metal fitting 8 made of a substantially plate-shaped metal fitting arranged at a distance from the upper part, and a screw 9 connecting these components. Is configured.
[0021]
A screw mounting portion 7e is formed on each short side of the bottom plate 7a of the mounting and fastening fitting 7.
[0022]
The screw mounting portion 7e is composed of a bent portion 7f that rises upward on the short side and a screw mounting piece 7g that is bent outward above the bent portion 7f. A threaded screw hole 7h is formed, and the tip of the screw 9 is screwed.
[0023]
The upper fastening member 8 is disposed on the core 4 disposed on the upper side, and on the vibration isolator 6 placed on the outer surface of the core 4. The upper fastening member 8 has a rectangular top plate 8a substantially corresponding to the shape of the vibration isolator 6 and the core 4, and is bent downward on the long side of the top plate 8a. A portion 8b is formed, and a bent portion 6b on the long side of the vibration isolator 6 is located inside the bent portion 8b.
[0024]
Cut-and-raised pieces 8c that are cut and raised downward are formed at both ends in the length direction of the top plate 8b of the upper fastening member 8, and the vibration-proof material 6 is provided between the cut-and-raised pieces 8c. , Core 4 and the like are positioned and fixed. Further, a main body 6a of the vibration isolator 6 is joined to the ceiling surface of the top plate 8a to prevent vibration.
[0025]
A bent portion 8d bent downward is formed on the short side of the top plate 8a, and a lower end of the bent portion 8d has a screw hole 8f for inserting a screw 9 bent outward. Are formed, respectively.
[0026]
In assembling, as shown in FIG. 2, a pair of coils 1 are arranged side by side in a horizontal direction, and a fitting portion 5b of a spacer 5 is fitted to an end of each core 3 inserted into each coil 1. And the spacer 5 is attached.
[0027]
As described above, each core 3 inserted into the coil 1 is located inside the spacer 5, and the cores 4 are respectively arranged outside the spacer 5. The outer surfaces of the cores 4 arranged above and below, that is, the surface opposite to the spacer 5 are covered with the vibration isolator 6 respectively. The lower core 4 and the vibration isolator 6 are positioned and fixed via the cut-and-raised pieces 7b of the mounting and tightening fitting 7.
[0028]
An upper clamp 8 is placed over the upper core 4 and the vibration isolator 6, a screw 9 is inserted into a screw hole 8d of the mounting piece 8e, and a tip of the screw 9 is a lower mounting / clamp. 7 is screwed into a screw hole 7h of a mounting piece 7g. The assembly is impregnated with an impregnating agent.
[0029]
FIG. 3 is a plan view of the reactor thus assembled, FIG. 4 is a front view, and FIG. 5 is a side view. In these figures, reference numeral 1a denotes a lead wire at the beginning of winding of the coil 1, and 1b denotes a lead wire at the end of winding.
[0030]
According to the present invention having the above configuration, the vibration isolator 6 made of an elastic material into which the impregnating agent does not permeate is interposed between the fastener and the core 4, so that the generated vibration is absorbed by the vibration isolator 6. Noise can be prevented or reduced.
[0031]
The clamp includes a lower mounting / clamp 7 and an upper clamp 8 on the upper side. The coil 1, the core 4, etc. are arranged between the two, and are integrated by screws 9. Therefore, vibration due to the influence of leakage flux can be reduced.
[0032]
Embodiment 2
6 is an exploded perspective view of a second embodiment of the present invention, FIG. 7 is a plan view of an assembled state, FIG. 8 is a front view, and FIG. 9 is a side view.
[0033]
In the above-described embodiment, since the mounting pieces 8e are formed so as to project outward at both ends in the length direction of the upper fastener 8, the length dimension is increased accordingly.
[0034]
In recent years, devices have been increasingly miniaturized, and so-called high-density mounting portions for various electronic components have been required, and installation space is limited. Therefore, it is preferable that various devices be miniaturized.
[0035]
In the second embodiment of the present invention shown in FIGS. 6 to 9, in the upper fastener 8 which is substantially rectangular when viewed from above, the mounting piece 8 e ′ is attached to a substantially central portion of each long side of the upper fastener 8. The screw 9 is inserted into a dead space between a pair of coils 1 having rounded corners, and is made compact to reduce the space occupied by the mounting surface. ing.
[0036]
That is, the distal end of the screw 9 inserted into the mounting piece 8e 'of the upper upper fastening member 8 is screwed into the center of the inside of each long side of the bottom plate 7a of the lower mounting and fastening member 7. Screw holes 7g 'are formed.
[0037]
Therefore, it is not necessary to provide the mounting piece 7g as in the first embodiment on the short side of the mounting and tightening fitting 7, and the bent portion 7f is simply formed.
[0038]
Further, in this embodiment, since the distal end of the screw 9 is directly screwed into the screw hole 7g of the bottom plate 7a of the mounting and fastening fitting 8, the distal end of the screw 9 may protrude to the back side of the bottom plate 7a. For this reason, bent portions 7c 'bent downward are formed at the four corners of the bottom plate 7a, and the lower ends thereof are bent outward in the horizontal direction to form mounting pieces 7c having mounting holes 7i. ing.
[0039]
A flange 8f protruding outward on one short side of the upper fastening member 8 is provided with a screw hole 8g for connecting a thermosensitive element (not shown) such as a thermistor for detecting an excessive temperature rise of the reactor. This is for mounting via an interposition, and does not necessarily need to be provided at this position. Depending on the specification, the flange 8f for mounting the thermal element may not be provided.
[0040]
Since other configurations, operations, and the like are the same as those of the above-described embodiment, the same members are denoted by the same reference numerals, and detailed description is omitted.
[0041]
【The invention's effect】
As described above, according to claim 1, between the outer cores 4 and the sandwiching members disposed outside the outer cores 4, the vibration damping material is made of a material having elasticity and not impregnated with the impregnating agent. Since the pinch 6 is interposed and absorbs vibration, there is an effect that noise can be prevented or reduced.
According to the second aspect of the present invention, the holding member is composed of two plate-shaped metal fittings separated from each other, and the influence of the leakage flux on the vibration of the metal fittings is reduced. The use of the reactor of the present invention is particularly effective in reducing noise of an inverter for a solar system or the like.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a reactor according to a first embodiment of the present invention.
FIG. 2 shows a partially assembled perspective view of the same.
FIG. 3 is a plan view of the assembled reactor according to the first embodiment.
FIG. 4 shows the same front view.
FIG. 5 shows the same side view.
FIG. 6 is an exploded perspective view of a second embodiment of the reactor of the present invention.
FIG. 7 shows a plan view of the same.
FIG. 8 shows a front view of the same.
FIG. 9 shows a side view of the same.
FIG. 10 is an exploded perspective view of main components of a conventional example.
FIG. 11 shows a perspective view of a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Coil 2 Bobbin 3 Laminated core 4 Laminated core 5 Spacer 5a Main body 5b Fitting part 5c Rib 5d Reinforcement rib 6 Vibration isolator 6a Main body 6b Bending part 7 Mounting / clamping fitting 7a Bottom plate 7b Cut-and-raised piece 7c Mounting piece 7c 'Bending portion 7d Bending portion 7e Screw mounting portion 7f Bending portion 7g Screw mounting piece 7g' Screw hole 7h Screw hole 7i Mounting hole 8 Upper clamp 8a Top plate 8b Bending portion 8c Cut-and-raised piece 8d bending Curved portion 8e Mounting piece 8f Flange 8g Screw hole 9 Screw 10 Coil 11 Laminated core 12 Laminated core 13 Fastening bracket 14 Vibration isolator

Claims (2)

並設された一対のコイル(1)にそれぞれ挿通された第1のコア(3)と、これらの第1のコア(3)の各端部の外側にそれぞれ配置され、ほぼロ字状のコアユニットを構成する第2のコア(4)と、前記コアユニットを挟持し、前記第2のコア(4)を前記第1のコア(1)に圧着する挟持部材と、この挟持部材と前記第2のコア(4)との間に介装され、弾性を有しかつ含浸剤が染み込まない材質からなる防振材(6)とを備えたことを特徴とするリアクトル。First cores (3) respectively inserted through a pair of coils (1) arranged side by side, and substantially square-shaped cores disposed outside the respective ends of the first cores (3); A second core (4) constituting a unit, a holding member for holding the core unit, and pressing the second core (4) to the first core (1); And a vibration isolator (6) interposed between the second core (4) and a material having elasticity and not impregnated with an impregnating agent. 請求項1記載において、前記挟持部材は、離間した2つの板状の金具と、これら金具を連結し、かつその間に配置された前記コアユニットを締付けるネジ部材からなることを特徴とするリアクトル。2. The reactor according to claim 1, wherein the holding member includes two plate-shaped metal members separated from each other, and a screw member that connects the metal members and tightens the core unit disposed therebetween. 3.
JP2003110162A 2003-04-15 2003-04-15 Reactor Expired - Fee Related JP3914509B2 (en)

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Cited By (12)

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JP2006351674A (en) * 2005-06-14 2006-12-28 Sumitomo Electric Ind Ltd Reactor device
JP2007081184A (en) * 2005-09-15 2007-03-29 Risho Kogyo Co Ltd Reactor in which core and gap material are unified while being impregnated with resin and its manufacturing method
JP2010205979A (en) * 2009-03-04 2010-09-16 Tamura Seisakusho Co Ltd Reactor
WO2012114890A1 (en) * 2011-02-25 2012-08-30 住友電気工業株式会社 Reactor
US8400244B2 (en) 2007-06-12 2013-03-19 Toyota Jidosha Kabushiki Kaisha Reactor
JP2013247265A (en) * 2012-05-28 2013-12-09 Hitachi Metals Ltd Reactor and power supply device
CN103680814A (en) * 2012-09-07 2014-03-26 佛山市国电电器有限公司 Electric reactor and manufacturing method thereof
FR3038123A1 (en) * 2015-06-23 2016-12-30 Renault Sa INDUCTANCE DEVICE.
CN108878110A (en) * 2017-05-11 2018-11-23 胜美达集团株式会社 Coil component and coil device
JP2019029369A (en) * 2017-07-25 2019-02-21 ファナック株式会社 Reactor with end plate and base
KR20220045626A (en) * 2020-10-06 2022-04-13 한일전원공업주식회사 Noise reducing high-frequency transformer
JP7164909B1 (en) * 2022-02-22 2022-11-02 有限会社イチデン製作所 Reactor tightening structure

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4591225B2 (en) * 2005-06-14 2010-12-01 住友電気工業株式会社 Reactor device
JP2006351674A (en) * 2005-06-14 2006-12-28 Sumitomo Electric Ind Ltd Reactor device
JP2007081184A (en) * 2005-09-15 2007-03-29 Risho Kogyo Co Ltd Reactor in which core and gap material are unified while being impregnated with resin and its manufacturing method
US8400244B2 (en) 2007-06-12 2013-03-19 Toyota Jidosha Kabushiki Kaisha Reactor
JP2010205979A (en) * 2009-03-04 2010-09-16 Tamura Seisakusho Co Ltd Reactor
US8947191B2 (en) 2011-02-25 2015-02-03 Sumitomo Electric Industries, Ltd. Reactor
WO2012114890A1 (en) * 2011-02-25 2012-08-30 住友電気工業株式会社 Reactor
JP2012191172A (en) * 2011-02-25 2012-10-04 Sumitomo Electric Ind Ltd Reactor
JP2013247265A (en) * 2012-05-28 2013-12-09 Hitachi Metals Ltd Reactor and power supply device
CN103680814A (en) * 2012-09-07 2014-03-26 佛山市国电电器有限公司 Electric reactor and manufacturing method thereof
FR3038123A1 (en) * 2015-06-23 2016-12-30 Renault Sa INDUCTANCE DEVICE.
CN108878110A (en) * 2017-05-11 2018-11-23 胜美达集团株式会社 Coil component and coil device
JP2018190934A (en) * 2017-05-11 2018-11-29 スミダコーポレーション株式会社 Coil component and coil device
CN108878110B (en) * 2017-05-11 2022-08-23 胜美达集团株式会社 Coil component and coil device
JP2019029369A (en) * 2017-07-25 2019-02-21 ファナック株式会社 Reactor with end plate and base
US10650960B2 (en) 2017-07-25 2020-05-12 Fanuc Corporation Reactor having end plate and pedestal
KR20220045626A (en) * 2020-10-06 2022-04-13 한일전원공업주식회사 Noise reducing high-frequency transformer
KR102441170B1 (en) * 2020-10-06 2022-09-06 한일전원공업주식회사 Noise reducing high-frequency transformer
JP7164909B1 (en) * 2022-02-22 2022-11-02 有限会社イチデン製作所 Reactor tightening structure

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