JP2001076966A - Oil-impregnated film capacitor - Google Patents
Oil-impregnated film capacitorInfo
- Publication number
- JP2001076966A JP2001076966A JP25379799A JP25379799A JP2001076966A JP 2001076966 A JP2001076966 A JP 2001076966A JP 25379799 A JP25379799 A JP 25379799A JP 25379799 A JP25379799 A JP 25379799A JP 2001076966 A JP2001076966 A JP 2001076966A
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- Japan
- Prior art keywords
- oil
- capacitor element
- terminal electrode
- capacitor
- insulating
- 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.)
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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は,誘導加熱装置また
は共振型インバータの共振回路に用いられる大電力、大
電流用の絶縁油を充填し封止された油含浸型フィルムコ
ンデンサに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oil-impregnated film capacitor which is used for an induction heating device or a resonance circuit of a resonance type inverter and which is filled with an insulating oil for high power and large current and sealed.
【０００２】[0002]
【従来の技術】フィルムコンデンサは、ポリエチレンテ
レフタレート（PET）、ポリフェニレンスルファイド(PP
S),ポリプロピレン(PP)、ポリエチレン(PE)などの誘電
損失が小さく、絶縁耐力にも優れた有機高分子フィルム
と、アルミなどの金属箔を、交互に重ねて巻芯に巻き取
り、外周部の前記有機高分子フィルムを熱融着させて接
着固定させていた。2. Description of the Related Art Film capacitors include polyethylene terephthalate (PET) and polyphenylene sulfide (PP).
S), polypropylene (PP), polyethylene (PE), etc., an organic polymer film with low dielectric loss and excellent dielectric strength, and a metal foil such as aluminum are stacked alternately and wound around the core, The above organic polymer film was bonded by heat fusion.
【０００３】つぎに、両端面にはみださせた金属箔のそ
れぞれに、メタリコン金属として亜鉛や錫あるいは。は
んだなどを溶着させて電極を形成し、リード線をはんだ
付けしてコンデンサ素子を形成させていた。また、油含
浸型に仕上げる場合は、図２に示すように、絶縁樹脂で
形成された円筒ケース３の両端の外部電極となる一方の
底部金属蓋４に、コンデンサ素子１のリード線７をはん
だ付けし、コンデンサ素子の外周部に複数の絶縁支柱６
を配設して、金属蓋を外部よりネジ５で締め付け固定し
ていた。[0003] Next, zinc or tin or metallicon metal is applied to each of the metal foils protruding from both end faces. An electrode is formed by welding solder or the like, and a lead wire is soldered to form a capacitor element. In the case of finishing to an oil impregnated type, as shown in FIG. 2, the lead wire 7 of the capacitor element 1 is soldered to one bottom metal cover 4 serving as external electrodes at both ends of a cylindrical case 3 formed of an insulating resin. And a plurality of insulating posts 6 on the outer periphery of the capacitor element.
, And the metal cover was tightened and fixed with screws 5 from the outside.
【０００４】つぎに、円筒ケース３に収納してから上部
金属蓋４を被せて、前記の底部金属蓋４での作業と同様
に、コンデンサ素子１のリード線２を上部金属蓋４には
んだ付け固定し、絶縁支柱と上部金属蓋４を外部よりネ
ジ５で締め付け固定する。つぎに、上下金属蓋と円筒ケ
ースを熱硬化樹脂で接着硬化させてから、真空中で上部
金属蓋４に設けられた注入孔５より絶縁油を充填したの
ち、注入孔をはんだ付けして密閉封止をして、油含浸型
フィルムコンデンサを完成させていた。Then, the lead wire 2 of the capacitor element 1 is soldered to the upper metal cover 4 in the same manner as in the work with the bottom metal cover 4, after being housed in the cylindrical case 3 and covered with the upper metal cover 4. After fixing, the insulating column and the upper metal cover 4 are tightened and fixed with screws 5 from the outside. Next, the upper and lower metal lids and the cylindrical case are bonded and cured with a thermosetting resin, and then filled with insulating oil from the injection hole 5 provided in the upper metal lid 4 in a vacuum, and then the injection hole is soldered and hermetically sealed. Sealing had completed the oil-impregnated film capacitor.
【０００５】しかしながら、従来の構造では図２に示す
ように、コンデンサ素子の上下両端の電極蓋４に接続さ
れたリード線２がインダクタンスとして作用し、コンデ
ンサ素子の自己共振周波数を低下させ、さらに高さ寸法
を大きくしていた。また、コンデンサ素子の外周部に配
設された絶縁支柱６があるため、それだけコンデンサ素
子より一回り大きい円筒ケース３を用いざるを得ず、ス
ペースファクタの悪い大型な油含浸型フィルムコンデン
サとなっていた。However, in the conventional structure, as shown in FIG. 2, the lead wires 2 connected to the electrode lids 4 at the upper and lower ends of the capacitor element act as inductance, lowering the self-resonant frequency of the capacitor element and further increasing the frequency. The dimensions were large. Further, since the insulating pillar 6 is provided on the outer peripheral portion of the capacitor element, the cylindrical case 3 which is one size larger than the capacitor element has to be used, and a large oil-impregnated film capacitor having a poor space factor is required. Was.
【０００６】また、従来の油含浸型コンデンサの上部電
極蓋４に設けられた絶縁油の注入孔５は上部金属蓋４の
外周部に設けられ、コンデンサ素子リード線のはんだ付
け用の孔７は上部金属蓋４の中央部に設けられており、
それぞれの孔が別々に機能していたため、別々にはんだ
付け作業を繰り返し行っていたので作業効率が悪かっ
た。The insulating oil injection hole 5 provided on the upper electrode cover 4 of the conventional oil impregnated capacitor is provided on the outer periphery of the upper metal cover 4, and the soldering hole 7 for the capacitor element lead wire is provided. It is provided at the center of the upper metal cover 4,
Since each hole was functioning separately, the soldering work was repeated separately, resulting in poor work efficiency.
【０００７】また、巻き取ったコンデンサ素子フィルム
の固定を、外周部に空捲きしたコンデンサフィルムを熱
融着させて接着固定させていた従来品は、電流負荷試験
中に絶縁油中での発熱および交流電界による振動によ
り、コンデンサ素子フィルムが膨潤して、コンデンサ素
子が変形し、静電容量の変動をもたらしていた。さら
に、プラスチックフィルムは、耐熱性に劣り大電力を負
荷すると発熱によりフィルムの耐熱温度を超えて破壊し
易くなるため、大電力用は熱放散をよくするための表面
積をおおきくした、大型な油含浸型フィルムコンデンサ
になっていた。[0007] In addition, the conventional product, in which the wound capacitor element film is fixed by heat-sealing the capacitor film wound around the outer periphery with heat, is used to fix the heat generated in the insulating oil during the current load test. The vibration caused by the AC electric field swells the capacitor element film, deforms the capacitor element, and causes a change in capacitance. In addition, plastic film is inferior in heat resistance and when applied with large power, it easily breaks due to heat generation exceeding the heat resistance temperature of the film, so large power impregnated large oil impregnated with large surface area to improve heat dissipation Had become a type film capacitor.
【０００８】[0008]
【発明が解決しようとする課題】従来の構造における油
含浸型コンデンサ素子のように、リード線がインダクタ
ンスとして作用してコンデンサの自己共振周波数が低下
することなく、より高周波まで使える小型な油含浸型フ
ィルムコンデンサを実現することである。As in the oil-impregnated capacitor element of the conventional structure, a small oil-impregnated capacitor that can be used at higher frequencies without the self-resonant frequency of the capacitor being reduced due to the lead wire acting as inductance. It is to realize a film capacitor.
【０００９】また、油含浸型コンデンサ素子の外周部に
配設された複数の絶縁支柱を無くし、コンデンサ素子と
殆ど同等の内容積の円筒ケースに収納して、スペースフ
ァクタの良い小型で大容量の油含浸型フィルムコンデン
サを実現することである。In addition, a plurality of insulating pillars disposed on the outer peripheral portion of the oil-impregnated type capacitor element are eliminated, and are housed in a cylindrical case having an inner volume almost equal to that of the capacitor element, so that a small and large capacity capacitor having a good space factor is provided. The object is to realize an oil-impregnated type film capacitor.
【００１０】また、従来品のような、電流負荷試験中に
絶縁油中での発熱により、コンデンサ素子フィルムが膨
張して、コンデンサ素子が変形することなく、静電容量
の変動しない安定した油含浸型フィルムコンデンサを実
現することである。さらに、放熱をよくしてフィルムの
温度上昇を押さえて、小型であっても、より大電力に耐
える油含浸型フィルムコンデンサを実現することであ
る。[0010] In addition, the capacitor element film expands due to the heat generated in the insulating oil during the current load test as in the conventional product, the capacitor element is not deformed, and the stable oil impregnation with no change in the capacitance is performed. It is to realize a mold film capacitor. It is another object of the present invention to realize an oil-impregnated film capacitor that improves heat dissipation and suppresses a rise in film temperature, and that can withstand higher power even if it is small.
【００１１】また、従来の油含浸型コンデンサの上部金
属蓋に設けられた絶縁油を充填する注入孔と、コンデン
サ素子リード線のはんだ付け用の孔を共用させて、同時
にはんだ付け処理し作業効率を高めることである。Further, the injection hole for filling the insulating oil provided in the upper metal cover of the conventional oil-impregnated capacitor and the hole for soldering the capacitor element lead wire are shared, and the soldering process is performed at the same time. Is to increase.
【００１２】[0012]
【課題を解決するための手段】本発明は、誘電体フィル
ムと金属箔が積層捲回されたフィルムコンデンサの外周
を空捲きしたコンデンサフィルムで融着固定し、両端に
はみ出させた金属箔にメタリコン電極を溶着してコンデ
ンサ素子を形成し、該コンデンサ素子を絶縁ケースに収
納して端子電極蓋をケース両端に被せて端子電極蓋と接
続し、絶縁油を充填し封止していた油含浸型フィルムコ
ンデンサにおいて、新しい構造および製造方法を提供す
るものである。SUMMARY OF THE INVENTION The present invention relates to a film capacitor in which a dielectric film and a metal foil are laminated and wound. The electrodes are welded to form a capacitor element, the capacitor element is housed in an insulating case, and a terminal electrode cover is put on both ends of the case and connected to the terminal electrode cover. In a film capacitor, a new structure and a manufacturing method are provided.
【００１３】第１の発明は、誘電体フィルムと金属箔が
積層捲回されメタリコン電極を形成したコンデンサ素子
を、絶縁ケースに収納して端子電極蓋とリード線で接続
し、絶縁油を充填し封止してなる油含浸型フィルムコン
デンサにおいて、両端に油含浸用の通路となる、割り溝
と端子電極蓋固定用のネジ穴を有する絶縁支柱を捲き芯
としてコンデンサ素子を形成し、端子電極蓋を前記絶縁
支柱にネジ止め固定したことを特徴とする油含浸型フィ
ルムコンデンサおよびその製造方法である。According to a first aspect of the present invention, a capacitor element in which a dielectric film and a metal foil are laminated and wound to form a metallikon electrode is housed in an insulating case, connected to a terminal electrode cover by a lead wire, and filled with insulating oil. In a sealed oil-impregnated type film capacitor, a capacitor element is formed by using an insulating pillar having split grooves and screw holes for fixing a terminal electrode cover at both ends as winding cores, and forming a terminal electrode cover. And a method of manufacturing the oil-impregnated film capacitor.
【００１４】第２の発明は、前記油含浸型フィルムコン
デンサの製造方法において、コンデンサ素子をケースに
収容したのち、複数の穴部を設けた電極蓋をケース両端
に嵌合させて、該穴部より絶縁油を充填した後に、前記
コンデンサ素子のメタリコン電極と端子電極蓋との接続
および密閉封止を同時に形成されたことを特徴とする油
含浸型フィルムコンデンサおよびその製造方法である。According to a second aspect of the present invention, in the method for manufacturing an oil-impregnated film capacitor, the capacitor element is housed in a case, and an electrode cover having a plurality of holes is fitted to both ends of the case. An oil-impregnated film capacitor and a method of manufacturing the same, characterized in that, after more insulating oil is filled, connection and hermetic sealing of the metallikon electrode and the terminal electrode cover of the capacitor element are simultaneously formed.
【００１５】第３の発明は、前記の油含浸型フィルムコ
ンデンサにおいて、前記巻芯に捲き取られたコンデンサ
素子の外周にガラス布を捲回して接着固定し、該コンデ
ンサ素子両端の金属箔へのメタリコン電極が放射状に分
割形成され、それぞれの分割電極が端子電極蓋に接続さ
れたことを特徴とする油含浸型フィルムコンデンサであ
る。According to a third aspect of the present invention, in the above oil impregnated film capacitor, a glass cloth is wound around the outer periphery of the capacitor element wound up on the core and fixed by bonding. An oil-impregnated film capacitor characterized in that metallikon electrodes are radially divided and each divided electrode is connected to a terminal electrode cover.
【００１６】[0016]
【発明の実施の形態】図３に示す、ネジ穴と分割溝を有
する絶縁支柱６を捲き芯として、フィルム巻き取り機に
前記割り溝１０を利用して装着し、１対の誘電体フィル
ムと金属箔を積層して捲き取り、図４に示すコンデンサ
素子を形成する。巻き取られたフィルムコンデンサ素子
に、図８に示すガラス布１４を捲回して接着固定する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIG. 3, an insulating pillar 6 having a screw hole and a dividing groove is used as a winding core, and the film is mounted on a film winding machine by using the dividing groove 10, and a pair of dielectric films is formed. The metal foil is laminated and wound up to form the capacitor element shown in FIG. The glass cloth 14 shown in FIG. 8 is wound and adhered and fixed to the wound film capacitor element.
【００１７】これにより、電流負荷試験中に絶縁油中で
の発熱および交流電界による振動により、コンデンサ素
子フィルムが膨潤して、コンデンサ素子が変形し、静電
容量の変動をもたらすことなく、信頼性の高い油含浸型
フィルムコンデンサが得られる。次に、図５に示すよう
に前記コンデンサ素子の両端の金属箔へのメタリコン電
極が放射状に分割形成されるように、絶縁油の充填用通
路１５をマスキングして残し、それ以外の部分に錫合金
をメタリコン処理して電極８を溶着形成し、電極付きコ
ンデンサ素子を形成する。Thus, the capacitor element film swells due to the heat generated in the insulating oil and the vibration caused by the AC electric field during the current load test, the capacitor element is deformed, and the capacitance is not changed. Oil-impregnated film capacitor with high Next, as shown in FIG. 5, the insulating oil filling passage 15 is masked and left so that the metallikon electrodes to the metal foils at both ends of the capacitor element are radially divided and formed. The alloy is subjected to metallikon treatment to form an electrode 8 by welding to form a capacitor element with an electrode.
【００１８】つぎに、前記メタリコン電極付きコンデン
サ素子を、ケース３に収容したのち、図６に示すよう
な、中央に絶縁支柱との固定用にネジ穴１１と、その周
りに油含浸および電極接続用の穴１２を複数設けた端子
電極蓋４をケース３の両端に被せて、ケース中央穴１１
で絶縁支柱６にネジ５で締付け固定し、端子電極蓋４を
ケース両端にエポキシ樹脂１３を塗布し硬化させる。Next, after the capacitor element with the metallikon electrode is housed in the case 3, as shown in FIG. 6, a screw hole 11 is provided at the center for fixing to an insulating support, and oil impregnation and electrode connection are provided therearound. The terminal electrode lid 4 provided with a plurality of holes 12
Then, the terminal electrode lid 4 is applied to both ends of the case by applying an epoxy resin 13 and hardened by being screwed and fixed to the insulating support 6 with screws 5.
【００１９】このとき、絶縁油の充填用通路１５と、巻
芯の絶縁油の充填用通路の割り溝１０を対向させてお
く。また、端子電極蓋の穴部１２と、コンデンサ素子の
メタリコン電極８と対向する位置関係にしておく。ま
た、円筒セラミックケースを用いる場合は、ケース両端
にメタリコン電極を形成しておき、電極蓋とはんだ付け
して封止する。At this time, the insulating oil filling passage 15 is opposed to the split groove 10 of the core insulating oil filling passage. Further, the positional relationship is set so as to face the hole 12 of the terminal electrode cover and the metallikon electrode 8 of the capacitor element. When a cylindrical ceramic case is used, metallikon electrodes are formed on both ends of the case, and the case is sealed by soldering to an electrode lid.
【００２０】つぎに、底部に該当する端子電極蓋４と、
コンデンサ素子のメタリコン電極８との接続および封止
を前記穴部１２において、はんだ付け部７で処理したの
ち、上部に該当する端子電極蓋の穴部１２より絶縁油を
充填後、前記した底部に該当する端子電極蓋に行った作
業と同様に、コンデンサ素子のメタリコン電極８と、端
子電極蓋４との接続および密閉を前記穴部１２におい
て、同時にはんだ付け部７で処理して、図１に示す油含
浸型フィルムコンデンサを完成させる。Next, a terminal electrode cover 4 corresponding to the bottom,
After the connection and sealing of the capacitor element with the metallikon electrode 8 are processed by the soldering portion 7 in the hole portion 12, the insulating oil is filled from the hole portion 12 of the terminal electrode cover corresponding to the upper portion, and then the bottom portion described above is filled. As in the work performed on the corresponding terminal electrode lid, the connection and sealing between the metallikon electrode 8 of the capacitor element and the terminal electrode lid 4 were simultaneously processed in the hole 12 by the soldering part 7, and FIG. The oil-impregnated film capacitor shown is completed.
【００２１】[0021]
【実施例】以下、本考案の実施の形態例について図面を
参照して説明する。図３に示す、両端に幅；３、０ｍ
ｍ、深さ；４、０ｍｍの十文字状の割り溝と、４、０ｍ
ｍΦのネジ穴を設けた、外径；２０ｍｍΦ、長さ；１０
０ｍｍの、材質；ポリアセタールよりなる巻芯に、厚
さ；３０μｍ、幅；１００ｍｍの３枚重ねのポリプロピ
レン（ＰＰ）フィルムと、厚さ；６μｍ、幅；８０μｍ
のアルミニウム箔を、ポリプロピレン（ＰＰ）フィルム
より２ｍｍ端み出させて交互に２層積層して、図４に示
す外径；９５ｍｍΦのフィルムコンデンサ素子を巻き取
った。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 3, width at both ends; 3,0 m
m, depth; a cross-shaped groove of 4.0 mm, and 4.0 m
20mmΦ, length: 10 with screw hole of mΦ
0 mm, a material; a polyacetal core, a thickness of 30 μm, a width of 100 mm, a three-layered polypropylene (PP) film, a thickness of 6 μm, a width of 80 μm
The aluminum foil of the above was protruded by 2 mm from the polypropylene (PP) film and alternately laminated in two layers, and a film capacitor element having an outer diameter of 95 mmΦ shown in FIG. 4 was wound up.
【００２２】つぎに、図7に示すようにコンデンサ素子
に、厚さ；２０μｍ、幅；２０ｍｍのガラス布を２０回
巻いて、エポキシ樹脂を含浸し硬化させてから、コンデ
ンサ素子の両端に、油含浸通路用に十文字状のマスキン
グをして、錫合金をメタリコンして、図５に示す外径；
９５ｍｍΦ、長さ；１０５ｍｍの電極付きコンデンサ素
子を形成した。Next, as shown in FIG. 7, a glass cloth having a thickness of 20 μm and a width of 20 mm is wound around the capacitor element 20 times, impregnated with epoxy resin and cured, and then oil is applied to both ends of the capacitor element. Cross-shaped masking for the impregnation passage, tin alloy metallikon, outer diameter shown in FIG.
A capacitor element with electrodes having a diameter of 95 mm and a length of 105 mm was formed.
【００２３】ついで、電極付きコンデンサ素子を、内
径；１００ｍｍΦ、長さ；１０５ｍｍ、肉厚：５ｍｍの
材質が エポキシ樹脂よりなる円筒状ケースに収容し、
ケース両端より外径；１１５ｍｍΦ、肉厚；２mmの材質
が銅よりなる、図６に示す電極蓋の油含浸穴とコンデン
サ素子の電極位置を合わせながら被せて、電極蓋の中央
穴１１から、コンデンサ素子の巻芯をネジ止固定し、電
極蓋とケースをエポキシ樹脂を塗布、硬化させた。Next, the capacitor element with electrodes is accommodated in a cylindrical case made of epoxy resin having an inner diameter of 100 mm, a length of 105 mm, and a thickness of 5 mm.
An outer diameter: 115 mmΦ, a wall thickness: 2 mm made of copper from both ends of the case. The capacitor is covered with the oil-impregnated hole of the electrode cover shown in FIG. The core of the element was fixed with screws, and the electrode lid and the case were coated with epoxy resin and cured.
【００２４】つぎに、前記ケース両端の電極蓋の一方の
油含浸穴部で、コンデンサ素子のメタリコン電極と、電
極蓋の接続および気密封止をはんだ付けで処理し、つい
で他方の電極蓋の油含浸穴より真空中で絶縁油を含浸さ
せ、大気中に戻して油含浸穴部で、コンデンサ素子のメ
タリコン電極と、電極蓋の接続および気密封止をはんだ
付けで処理して、図１に示す油含浸型フィルムコンデン
サを完成させた。Next, the connection and hermetic sealing between the metallikon electrode of the capacitor element and the electrode lid are processed by soldering in one oil-impregnated hole of the electrode lid at both ends of the case, and then the other electrode lid is covered with oil. The insulating oil is impregnated in vacuum from the impregnation hole, returned to the atmosphere, and the connection between the metallikon electrode of the capacitor element and the electrode lid and the hermetic sealing are processed by soldering at the oil impregnation hole, as shown in FIG. An oil-impregnated film capacitor was completed.
【００２５】[0025]
【発明の効果】以上説明したように、本発明の油含浸型
フィルムコンデンサは、従来の構造におけるコンデンサ
素子のように、リード線がないので自己共振周波数が上
がり、高周波特性が改善され、また、コンデンサ素子の
外周部に配設された複数の絶縁支柱を無くしたので、ス
ペースファクタの良い小型な油含浸型フィルムコンデン
サが実現できる。また、ガラス布でコンデンサ素子を捲
き絞めたので、発熱によるコンデンサ素子の変形がな
く、静電容量値の変動がなくなり安定する。また、油含
浸型フィルムコンデンサの端子電極蓋に設けられた穴
を、絶縁油を充填する注入孔と、コンデンサ素子リード
線のはんだ付け用の孔を共用させて、同時に処理し作業
効率を高めることができる。As described above, the oil-impregnated type film capacitor of the present invention has a self-resonant frequency which is higher than that of a conventional capacitor element because there is no lead wire, thereby improving high-frequency characteristics. Since a plurality of insulating posts provided on the outer peripheral portion of the capacitor element are eliminated, a small oil-impregnated film capacitor having a good space factor can be realized. In addition, since the capacitor element is rolled and narrowed with a glass cloth, the capacitor element is not deformed due to heat generation, and the capacitance value does not fluctuate. In addition, the hole provided in the terminal electrode lid of the oil-impregnated type film capacitor is shared with the injection hole filled with insulating oil and the hole for soldering the capacitor element lead wire, and at the same time, the processing efficiency is improved. Can be.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明による油含浸型フィルムコンデンサの平
面図と断面図を示す。FIG. 1 shows a plan view and a sectional view of an oil-impregnated film capacitor according to the present invention.
【図２】従来の油含浸型フィルムコンデンサの平面図と
断面図を示す。FIG. 2 shows a plan view and a cross-sectional view of a conventional oil-impregnated film capacitor.
【図３】本発明による巻芯の平面図と断面図を示す。FIG. 3 shows a plan view and a sectional view of a winding core according to the present invention.
【図４】フィルムコンデンサ素子の平面図と断面図を示
す。FIG. 4 shows a plan view and a cross-sectional view of a film capacitor element.
【図５】本発明による電極付きコンデンサ素子の平面図
と断面図を示す。FIG. 5 shows a plan view and a sectional view of a capacitor element with electrodes according to the present invention.
【図６】本発明による電極蓋の平面図と断面図を示す。FIG. 6 shows a plan view and a sectional view of an electrode lid according to the present invention.
【図７】ガラス布を巻回したコンデンサ素子の平面図と
断面図を示す。FIG. 7 shows a plan view and a cross-sectional view of a capacitor element wound with a glass cloth.
１ コンデンサ素子 ２ リード線 ３ 円筒ケース ４ 電極蓋 ５ ネジ ６ 絶縁支柱 ７ 封止はんだ ８ メタリコン電極 ９ ネジ穴 １０ 割り溝 １１ 支柱固定穴 １２ 油含浸および電極接続用穴 １３ エポキシ樹脂 １４ ガラス布 １５ 油含浸通路 DESCRIPTION OF SYMBOLS 1 Capacitor element 2 Lead wire 3 Cylindrical case 4 Electrode cover 5 Screw 6 Insulation support column 7 Sealing solder 8 Metallicon electrode 9 Screw hole 10 Split groove 11 Post fixing hole 12 Oil impregnation and electrode connection hole 13 Epoxy resin 14 Glass cloth 15 Oil Impregnation passage
Claims (3)
メタリコン電極を形成したコンデンサ素子を、絶縁ケー
スに収納して端子電極蓋とリード線で接続し、絶縁油を
充填し封止してなる油含浸フィルムコンデンサにおい
て、両端に割り溝とネジ穴を有する絶縁支柱を捲き芯と
してコンデンサ素子を形成し、端子電極蓋を前記絶縁支
柱にネジ止め固定したことを特徴とする油含浸型フィル
ムコンデンサ。1. A capacitor element in which a dielectric film and a metal foil are laminated and wound to form a metallikon electrode is housed in an insulating case, connected to a terminal electrode cover by a lead wire, filled with insulating oil and sealed. An oil-impregnated film capacitor comprising: an insulating support having split grooves and screw holes at both ends; a capacitor element formed as a winding core; and a terminal electrode cover fixed to the insulating support by screws. .
ンサにおいて、端子電極蓋に複数の穴部を設け、該穴部
より絶縁油を充填した後に、前記コンデンサ素子のメタ
リコン電極と端子電極蓋との接続および密閉封止を同時
に形成されたことを特徴とする油含浸型フィルムコンデ
ンサ。2. The oil-impregnated film capacitor according to claim 1, wherein a plurality of holes are formed in the terminal electrode cover, and after the insulating oil is filled from the holes, the metallikon electrode and the terminal electrode cover of the capacitor element are formed. An oil-impregnated film capacitor characterized by simultaneously forming a connection and hermetic sealing.
型フィルムコンデンサにおいて、前記捲き取られたコン
デンサ素子にガラス布を捲回して接着固定し、前記コン
デンサ素子の両端の金属箔へのメタリコン電極が放射状
に分割形成され、それぞれの分割電極が端子電極蓋に接
続されたことを特徴とする油含浸型フィルムコンデン
サ。3. The oil-impregnated film capacitor according to claim 1, wherein a glass cloth is wound around the wound-up capacitor element and adhered and fixed to the metal foil at both ends of the capacitor element. An oil-impregnated film capacitor, wherein a metallikon electrode is radially divided and each divided electrode is connected to a terminal electrode cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25379799A JP2001076966A (en) | 1999-09-08 | 1999-09-08 | Oil-impregnated film capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25379799A JP2001076966A (en) | 1999-09-08 | 1999-09-08 | Oil-impregnated film capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001076966A true JP2001076966A (en) | 2001-03-23 |
Family
ID=17256296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25379799A Pending JP2001076966A (en) | 1999-09-08 | 1999-09-08 | Oil-impregnated film capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001076966A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003217986A (en) * | 2002-01-23 | 2003-07-31 | Meidensha Corp | Laminated electric double layer capacitor |
| JP2006190911A (en) * | 2005-01-07 | 2006-07-20 | Soshin Electric Co Ltd | Capacitor assembly |
| JP2009503911A (en) * | 2005-08-05 | 2009-01-29 | エスビー エレクトロニクス，インコーポレイテッド | Capacitor and method resistant to heat-induced damage |
| JP2009081434A (en) * | 2007-09-07 | 2009-04-16 | Meidensha Corp | Electric double layer capacitor |
| JP2009152590A (en) * | 2007-12-18 | 2009-07-09 | General Electric Co <Ge> | High capacitance film capacitor system, and method for manufacturing the same |
| JP2012169333A (en) * | 2011-02-10 | 2012-09-06 | Hitachi Aic Inc | Film capacitor |
| CN106298241A (en) * | 2016-10-09 | 2017-01-04 | 安徽四新电子有限责任公司 | A kind of high-voltage pulse capacitor |
-
1999
- 1999-09-08 JP JP25379799A patent/JP2001076966A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003217986A (en) * | 2002-01-23 | 2003-07-31 | Meidensha Corp | Laminated electric double layer capacitor |
| JP2006190911A (en) * | 2005-01-07 | 2006-07-20 | Soshin Electric Co Ltd | Capacitor assembly |
| JP4512494B2 (en) * | 2005-01-07 | 2010-07-28 | 双信電機株式会社 | Capacitor assembly |
| JP2009503911A (en) * | 2005-08-05 | 2009-01-29 | エスビー エレクトロニクス，インコーポレイテッド | Capacitor and method resistant to heat-induced damage |
| KR101271436B1 (en) | 2005-08-05 | 2013-06-05 | 에스비 일렉트로닉스 인코포레이티드 | Thermally Induced Damage Resistive Capacitor And Method |
| JP2009081434A (en) * | 2007-09-07 | 2009-04-16 | Meidensha Corp | Electric double layer capacitor |
| JP2009152590A (en) * | 2007-12-18 | 2009-07-09 | General Electric Co <Ge> | High capacitance film capacitor system, and method for manufacturing the same |
| JP2012169333A (en) * | 2011-02-10 | 2012-09-06 | Hitachi Aic Inc | Film capacitor |
| CN106298241A (en) * | 2016-10-09 | 2017-01-04 | 安徽四新电子有限责任公司 | A kind of high-voltage pulse capacitor |
| CN106298241B (en) * | 2016-10-09 | 2018-07-24 | 安徽四新电子有限责任公司 | A kind of high-voltage pulse capacitor |
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