JPH0423313Y2 - - Google Patents
Info
- Publication number
- JPH0423313Y2 JPH0423313Y2 JP1145487U JP1145487U JPH0423313Y2 JP H0423313 Y2 JPH0423313 Y2 JP H0423313Y2 JP 1145487 U JP1145487 U JP 1145487U JP 1145487 U JP1145487 U JP 1145487U JP H0423313 Y2 JPH0423313 Y2 JP H0423313Y2
- Authority
- JP
- Japan
- Prior art keywords
- conductor
- capacitor
- tab
- ceramic
- center
- 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
Links
- 239000004020 conductor Substances 0.000 claims description 39
- 239000003990 capacitor Substances 0.000 claims description 18
- 239000003985 ceramic capacitor Substances 0.000 claims description 13
- 229910052573 porcelain Inorganic materials 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims 1
- 238000007747 plating Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、加熱〓冷却の繰り返しに強い耐ヒー
トサイクル特性に優れた貫通型磁器コンデンサに
関するものである。[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a feed-through ceramic capacitor that is resistant to repeated heating and cooling and has excellent heat cycle resistance.
〔従来技術〕
電子レンジのマグネトロン管等に使用されてい
る高圧貫通型磁器コンデンサは、マグネトロン管
等よりの伝熱によつて加熱され、加熱〓冷却の繰
り返しで使われるところから、コンデンサとして
は耐ヒートサイクル特性が最重要視されていた。[Prior art] High-voltage feed-through porcelain capacitors used in magnetron tubes of microwave ovens are heated by heat transfer from the magnetron tube, etc., and are used repeatedly between heating and cooling, so they have limited durability as capacitors. Heat cycle characteristics were the most important.
この種の貫通型磁器コンデンサは、一例を第５
図及び第６図に示すように、貫通孔１２，１３を
設けた磁器誘電体１１の片面にコンデンサ電極１
４，１５を配設する一方その反対の対向面にもコ
ンデンサ電極１６を配設し、これらコンデンサ電
極１４，１５，１６に磁器誘電体１１の貫通孔１
２，１３に対応して適合する孔部を設ける。そし
てコンデンサ電極１６を中央部に窓１８を開口し
た基板１７に連接し、中心導体１９，１９′の導
体部１９−１，１９′−１をコンデンサ電極１４，
１５に連接される金具２０，２０′を介し、コン
デンサ電極１４，１５、磁器誘電体１１、コンデ
ンサ電極１６、及び基板１７の窓１８を順次貫通
し、導体部１９−１，１９′−１をシリコンチユ
ーブ２１，２１′で保護し、さらに基板１７の両
面に外筒２２，２３を設けてこれらを覆い、その
内部にエポキシ樹脂などの絶縁性樹脂モールド２
４で固定してある。 An example of this type of feedthrough type ceramic capacitor is the fifth type.
As shown in FIG. 6 and FIG.
4 and 15 are disposed, and a capacitor electrode 16 is also disposed on the opposite facing surface, and the through hole 1 of the ceramic dielectric 11 is disposed in these capacitor electrodes 14, 15, 16.
2 and 13 are provided with matching holes. Then, the capacitor electrode 16 is connected to a substrate 17 having a window 18 in the center, and the conductor parts 19-1, 19'-1 of the center conductors 19, 19' are connected to the capacitor electrode 14,
15, through the capacitor electrodes 14, 15, the ceramic dielectric 11, the capacitor electrode 16, and the window 18 of the substrate 17, and connect the conductor parts 19-1, 19'-1. The substrate 17 is protected by silicon tubes 21 and 21', and outer tubes 22 and 23 are provided on both sides of the substrate 17 to cover them, and an insulating resin mold 2 such as epoxy resin is placed inside the outer tubes 22 and 23.
It is fixed at 4.
ところで、従来の中心導体１９，１９′は、実
開昭57−154138号公報や第７図に示すように、導
体部１９−１とフアスンタブ部１９−２とが一体
となるように成形するのが良いとされていた。即
ち、板取りした一枚の金属板を、フアスンタブ部
１９−２を残して導体部１９−１を丸めて成形し
ており、導体部１９−１の断面形状は、第８図に
示すように、角ばつた疑似円形になつており、真
円となるように成形することができなかつた。 By the way, the conventional center conductors 19, 19' are formed so that the conductor part 19-1 and the facade tab part 19-2 are integrally formed, as shown in Japanese Utility Model Application Laid-Open No. 57-154138 and FIG. was considered good. That is, a cut metal plate is formed by rolling the conductor part 19-1, leaving the fasun tab part 19-2, and the cross-sectional shape of the conductor part 19-1 is as shown in FIG. , it had an angular, pseudo-circular shape, and could not be molded into a perfect circle.
前述したように、従来の貫通型磁器コンデンサ
の中心導体１９の導体部１９−１の断面形状は、
真円ではなく角ばつていたため、シリコンチユー
ブ２１で外側を保護しても全体は導体部１９−１
に沿つた形状となり、第８図の矢印で示すよう
に、その周囲の絶縁性樹脂モールド２４の硬化、
収縮時に生ずる応力が不均一となり、加熱〓冷却
を繰り返す場合の耐ヒートサイクル性が劣り、コ
ンデンサの耐圧不良につながることが多かつた。
As mentioned above, the cross-sectional shape of the conductor portion 19-1 of the center conductor 19 of the conventional feedthrough ceramic capacitor is as follows.
Since it was not a perfect circle but had an angular shape, even if the outside was protected with the silicon tube 21, the entire conductor part 19-1
As shown by the arrow in FIG. 8, the insulating resin mold 24 around it hardens,
The stress generated during shrinkage became uneven, resulting in poor heat cycle resistance when heating and cooling were repeated, often leading to poor voltage resistance of the capacitor.
さらに、中心導体１９ははんだ付性やサビ防止
を目的としてSoメツキ等を施していたが、導体部
１９−１の折り曲げ部内に酸性のメツキ液が残つ
て腐食を促進したり、あるいは折り曲げ部内にメ
ツキ液が入り込まずにメツキされないことも多か
つた。 Furthermore, although the center conductor 19 has been subjected to S O plating for the purpose of soldering and rust prevention, acidic plating liquid may remain inside the bent portion of the conductor portion 19-1, accelerating corrosion, or There were many cases where the plating solution did not get into the plate and the plate was not plated.
本考案は、このような従来の貫通型磁器コンデ
ンサの問題点を解決し、耐ヒートサイクル性を向
上させ、さらにメツキの際のむらや残留液をなく
し、耐用期間を増大させるようにした磁器コンデ
ンサを提供することを目的とするものである。 The present invention solves the problems of conventional through-type ceramic capacitors, improves heat cycle resistance, eliminates unevenness during plating and eliminates residual liquid, and extends the service life of the ceramic capacitor. The purpose is to provide
本考案は、対向する両面にコンデンサ電極を設
けた磁器誘電体に中心導体を貫通してその周囲を
絶縁性樹脂モールドで固定した貫通型磁器コンデ
ンサにおいて、前記中心導体をフアスンタブ部と
導体部とから形成し、該導体部を丸棒にて成形
し、前記フアスンタブ部にかしめ結合して一体化
したことを特徴とする磁器コンデンサを提供する
ものである。
The present invention provides a through-type porcelain capacitor in which a center conductor is passed through a ceramic dielectric material having capacitor electrodes on both opposing surfaces and the periphery thereof is fixed with an insulating resin mold. The present invention provides a porcelain capacitor characterized in that the conductor portion is molded from a round bar, and the conductor portion is caulked and integrated with the facade tab portion.
〔実施例〕
本考案の貫通型磁器コンデンサの全体構造は、
前述した従来例とほとんど変るところはないが、
貫通する中心導体の形状に特徴がある。[Example] The overall structure of the feedthrough ceramic capacitor of the present invention is as follows:
Although there is little difference from the conventional example mentioned above,
It is characterized by the shape of the central conductor that passes through it.
即ち、第１図〜第３図に示すように、中心導体
１の導体部１−１の断面形状をほとんど真円形に
なるように成形したものである。従つて、シリコ
ンチユーブ２１で保護しても全体断面は円形を保
つため、絶縁性樹脂モールド２４の硬化、収縮時
に生ずる応力は、第３図矢印で示すように、均一
化され、耐ヒートサイクル性は向上し、コンデン
サが耐圧不良になることなく、また全表面をむら
なく均一にメツキすることができ、はんだ付性も
良好でサビ防止効果も十分となる。 That is, as shown in FIGS. 1 to 3, the cross-sectional shape of the conductor portion 1-1 of the center conductor 1 is formed into an almost perfect circle. Therefore, even if protected by the silicone tube 21, the overall cross section remains circular, so the stress generated when the insulating resin mold 24 hardens and contracts is made uniform, as shown by the arrow in FIG. 3, and the heat cycle resistance is improved. The capacitor does not suffer from poor withstand voltage, the entire surface can be plated evenly, the solderability is good, and the rust prevention effect is sufficient.
そして、本考案における中心導体１を成形する
には、第１図及び第２図に示すように、フアスン
タブ部１−２を板材で、導体部１−１を丸棒材で
別々に成形し、フアスンタブ部１−２の両面に導
体部１−１の挿入部２を膨出形成し、この挿入部
２内に導体部１−１の端部を挿入後かしめにより
結合一体化し、その後メツキ処理する。 In order to form the center conductor 1 of the present invention, as shown in FIGS. 1 and 2, the facade tab portion 1-2 is formed from a plate material, and the conductor portion 1-1 is formed from a round bar material. The insertion portion 2 of the conductor portion 1-1 is formed on both sides of the facade tab portion 1-2 in a bulging manner, and after inserting the end portion of the conductor portion 1-1 into the insertion portion 2, it is joined and integrated by caulking, and then plated. .
このような本考案による断面円形の中心導体を
使用した貫通型磁器コンデンサと、従来のような
板材を折り曲げた中心導体を使用した貫通型磁器
コンデンサの各耐ヒートサイクル性を同じ条件下
で比較実験した結果は、第４図に示すように本考
案品は従来品に比べて格段に優れていた。 A comparative experiment was conducted under the same conditions to compare the heat cycle resistance of a feed-through ceramic capacitor using a central conductor with a circular cross section according to the present invention and a conventional feed-through ceramic capacitor using a center conductor made of a bent plate. As shown in FIG. 4, the results showed that the product of the present invention was significantly superior to the conventional product.
以上述べたように本考案による貫通型磁器コン
デンサは、従来みることができなかつた形状の中
心導体を使用したことにより、耐ヒートサイクル
性が向上し、コンデンサの耐圧不良を防止し、さ
らに中心導体表面の均一かつ効果的なメツキ処理
を容易にし、耐圧期間が増大し、大幅なコストダ
ウンにつながる等の極めて有用なる効果を有する
ものである。
As described above, the feedthrough ceramic capacitor of the present invention uses a center conductor with a shape that has not been seen before, which improves heat cycle resistance and prevents voltage breakdown of the capacitor. This has extremely useful effects such as facilitating uniform and effective plating of the surface, increasing the pressure resistance period, and leading to significant cost reductions.
第１図は本考案の中心導体の一実施例を示す正
面図、第２図は第１図上部の拡大側面図、第３図
は第２図−線断面図、第４図は本考案と従来
の磁器コンデンサの各耐ヒートサイクル性の比較
実験結果を示す線図で、第５図は従来の磁器コン
デンサの一例を示す組立説明図、第６図は第５図
の組立後の断面図、第７図は従来の中心導体の正
面図、第８図は第７図−線断面図である。
１……中心導体、１−１……導体部、１−２…
…フアスンタブ部、２……挿入部、１１……磁器
誘電体、１２，１３……貫通孔、１４，１５，１
６……コンデンサ電極、１７……基板、１８……
窓、１９，１９′……中心導体、１９−１，１
９′−１……導体部、１９−２，１９′−２……フ
アスンタブ部、２０，２０′……金具、２１，２
１′……シリコンチユーブ、２２，２３……外筒、
２４……絶縁性樹脂モールド。
Fig. 1 is a front view showing one embodiment of the central conductor of the present invention, Fig. 2 is an enlarged side view of the upper part of Fig. 1, Fig. 3 is a sectional view taken along the line of Fig. 2, and Fig. 4 is a cross-sectional view of the central conductor of the present invention. A diagram showing the results of comparative experiments on heat cycle resistance of conventional ceramic capacitors; FIG. 5 is an assembly explanatory diagram showing an example of a conventional ceramic capacitor; FIG. 6 is a sectional view after assembly of FIG. 5; FIG. 7 is a front view of a conventional center conductor, and FIG. 8 is a sectional view taken along the line shown in FIG. 7. 1...Center conductor, 1-1...Conductor portion, 1-2...
...Fasun tab part, 2...Insertion part, 11...Porcelain dielectric material, 12, 13...Through hole, 14, 15, 1
6...Capacitor electrode, 17...Substrate, 18...
Window, 19, 19'... Center conductor, 19-1, 1
9'-1...Conductor part, 19-2, 19'-2...Front tab part, 20,20'...Metal fitting, 21,2
1'...Silicon tube, 22, 23...Outer cylinder,
24...Insulating resin mold.
Claims (1)
誘導体に中心導体を貫通してその周囲を絶縁性
樹脂モールドで固定した貫通型磁器コンデンサ
において、前記中心導体をフアスンタブ部と導
体部とから形成し、該導体部を丸棒にて成形
し、前記フアスンタブ部にかしめ結合して一体
化したことを特徴とする磁器コンデンサ。 (2) 前記フアスンタブ部が、板材を打ち抜き成形
したものであつて、板材両面に前記導体部を挿
入してかしめ結合一体化しうる導体挿入部を膨
出形成して備えたものである実用新案登録請求
の範囲第１項記載の磁器コンデンサ。[Claims for Utility Model Registration] (1) In a through-type ceramic capacitor in which a center conductor is passed through a ceramic inductor with capacitor electrodes provided on opposite surfaces and the periphery thereof is fixed with an insulating resin mold, the center conductor is fixed with a fasun tab. What is claimed is: 1. A porcelain capacitor comprising: a porcelain capacitor; and a conductor part, the conductor part being molded from a round bar, and integrally connected to the facade tab part by caulking. (2) Utility model registration in which the fastener tab part is formed by punching and forming a plate material, and is provided with a bulging conductor insertion part that can be integrated with the conductor part by inserting the conductor part into both sides of the plate material. A ceramic capacitor according to claim 1.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1145487U JPH0423313Y2 (en) | 1987-01-30 | 1987-01-30 | |
| EP87112772A EP0259766B1 (en) | 1986-09-11 | 1987-09-02 | Through-type capacitor and magnetron using same |
| DE8787112772T DE3781752T2 (en) | 1986-09-11 | 1987-09-02 | PERFORMANCE TYPE CAPACITOR AND ITS USE IN A MAGNETRON. |
| US07/094,835 US4811161A (en) | 1986-09-11 | 1987-09-10 | Through-type capacitor and magnetron using same |
| CN87106316A CN1009875B (en) | 1986-09-11 | 1987-09-11 | Penetrating center type condenser and magnetron adopted this kind condenser |
| KR1019870010113A KR920007980B1 (en) | 1986-09-11 | 1987-09-11 | Through-type capacitor and magnetron using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1145487U JPH0423313Y2 (en) | 1987-01-30 | 1987-01-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63121422U JPS63121422U (en) | 1988-08-05 |
| JPH0423313Y2 true JPH0423313Y2 (en) | 1992-05-29 |
Family
ID=30798688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1145487U Expired JPH0423313Y2 (en) | 1986-09-11 | 1987-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0423313Y2 (en) |
-
1987
- 1987-01-30 JP JP1145487U patent/JPH0423313Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63121422U (en) | 1988-08-05 |
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