JPH0758660B2 - Capacitor - Google Patents
CapacitorInfo
- Publication number
- JPH0758660B2 JPH0758660B2 JP2030856A JP3085690A JPH0758660B2 JP H0758660 B2 JPH0758660 B2 JP H0758660B2 JP 2030856 A JP2030856 A JP 2030856A JP 3085690 A JP3085690 A JP 3085690A JP H0758660 B2 JPH0758660 B2 JP H0758660B2
- Authority
- JP
- Japan
- Prior art keywords
- terminal plate
- slit
- resin case
- case
- capacitor
- 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
Links
- 239000003990 capacitor Substances 0.000 title claims description 28
- 229920005989 resin Polymers 0.000 description 32
- 239000011347 resin Substances 0.000 description 32
- 230000000630 rising effect Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000011104 metalized film Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は電子用コンデンサや電気機器用コンデンサなど
の力率改善用，モーター駆動用あるいは各種電源回路用
などに使用されるコンデンサに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a capacitor used for power factor improvement such as an electronic capacitor and a capacitor for electric equipment, a motor drive or various power supply circuits.
従来の技術 以下に従来のコンデンサについて説明する。Conventional Technology A conventional capacitor will be described below.
第７図〜第９図に示すように同筒形の樹脂ケース15内に
メタライズドフィルムを巻回してなるコンデンサ素子11
を収納した後、エポキシ樹脂などの充填材19でモールド
する。As shown in FIGS. 7 to 9, a capacitor element 11 formed by winding a metallized film in a resin case 15 having the same cylindrical shape.
After being stored, it is molded with a filling material 19 such as an epoxy resin.
樹脂ケース15は軸芯方向の一端側にコンデンサ素子11を
挿入するための開口部16を有し、他端側は閉じており、
外周の一箇所に軸芯方向の一端より他端側に向って伸び
るスリット17が設けられ、かつこのスリット17を挟むよ
うに樹脂ケース15の外周面から突出する低い立ち上がり
部18が形成されている。コンデンサ素子11と平行に位置
して接続されている端子金具13をもつ端子板12の裏面に
長手方向の全長にわたって端子板12の幅方向の中央部に
凸部14が形成されている。樹脂ケース15にコンデンサ素
子11を収納する時、凸部14が樹脂ケース15のスリット17
に挟まり込み端子板12が位置決めされて樹脂ケース15の
立ち上がり部18と接着固定される。The resin case 15 has an opening 16 for inserting the capacitor element 11 on one end side in the axial direction, and the other end side is closed.
A slit 17 extending from one end in the axial direction toward the other end is provided at one location on the outer periphery, and a low rising portion 18 protruding from the outer peripheral surface of the resin case 15 is formed so as to sandwich the slit 17. . A convex portion 14 is formed on the back surface of a terminal plate 12 having a terminal fitting 13 that is connected in parallel with the capacitor element 11 over the entire length in the longitudinal direction at the center in the width direction of the terminal plate 12. When accommodating the capacitor element 11 in the resin case 15, the convex portion 14 is formed into the slit 17 of the resin case 15.
The terminal plate 12 is positioned by being sandwiched between and is fixed to the rising portion 18 of the resin case 15 by adhesion.
発明が解決しようとする課題 しかしながら、上記の従来の構成では端子板の凸部が樹
脂ケースのスリット17にはまり込むだけなので、樹脂ケ
ースと端子板を接着固定するまでは端子板が樹脂ケース
から浮いたり、外れたりするという問題点を有してい
た。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention However, in the above-described conventional configuration, since the convex portion of the terminal plate is simply fitted into the slit 17 of the resin case, the terminal plate floats from the resin case until the resin case and the terminal plate are adhesively fixed. It had a problem that it came off or came off.
本発明は上記従来の問題点を解決するもので、上記ケー
スから端子板が浮いたりはずれたりするのを防止できる
コンデンサを提供することを目的とする。The present invention solves the above-mentioned conventional problems, and an object of the present invention is to provide a capacitor capable of preventing the terminal plate from floating or coming off from the case.
課題を解決するための手段 この目的を達成するために本発明のコンデンサは、コン
デンサ素子を収納する円筒形のケースと、前記円筒形の
ケースの外周の少なくとも一箇所に軸芯方向の一端より
他端に向かってのびるスリットと、前記スリットの縁部
の内少なくとも軸芯方向にのびる一対の縁部に嵌合する
凹部を備えた端子板とからなるものである。Means for Solving the Problems To achieve this object, a capacitor according to the present invention comprises a cylindrical case for accommodating a capacitor element, and at least one portion of the outer circumference of the cylindrical case from one end in the axial direction of the other. It comprises a slit extending toward the end, and a terminal plate provided with a concave portion that fits into a pair of edge portions extending at least in the axial direction of the edge portions of the slit.
作用 この構成によって、円筒形のケースと端子板を接着固定
しなくても円筒形のケースのスリット壁面と端子板の凹
部が嵌合しているので、端子板が円筒形のケースから浮
いたり、外れたりすることがなくなる。With this configuration, the slit wall surface of the cylindrical case and the recessed portion of the terminal plate fit together without bonding and fixing the cylindrical case and the terminal plate, so that the terminal plate floats from the cylindrical case, It will not come off.
実施例 以下、本発明の第１の実施例について第１〜３図を参照
しながら説明する。Example Hereinafter, a first example of the present invention will be described with reference to FIGS.
１はメタライズドフィルムを巻回して構成されたコンデ
ンサ素子であり、この素子と平行に位置して、素子１の
両端電極面に半田付けまた溶接により接続された端子金
具３をもつ端子板12が設けられている。この端子板12の
両側面には凹部４を形成している。円筒形の樹脂ケース
５は、軸芯方向の一端側に開口部６を有するとともに、
他端側は閉じており、樹脂ケース５の外周の一箇所にお
いて軸芯方向の一端より他端側に向って伸びるスリット
７を設けている。樹脂ケース５のスリット７の両壁面を
端子板の凹部４に樹脂ケース５の開口部６から挟み込む
ようにスライドさせて嵌合し、コンデンサ素子１を位置
決めし樹脂ケース５のスリット７と端子板の凹部４とを
接着した後、樹脂ケース５内にエポキシ樹脂９を充填し
てコンデンサ素子１を接着，固定する。端子板の凹部４
のスリット幅寸法w1は、樹脂ケース５のスリット７に面
する壁面の厚さ寸法t1との関係をw1≧t1とし、凹部４の
深さ寸法は、樹脂ケース５のスリット７が適確に嵌合す
る寸法とする。端子板の凹部４の円弧半径は樹脂ケース
５の円弧半径と同一とする。Reference numeral 1 denotes a capacitor element formed by winding a metallized film, and a terminal plate 12 having a terminal metal fitting 3 connected to the electrode surfaces at both ends of the element 1 by soldering or welding is provided in parallel with this element. Has been. Recesses 4 are formed on both side surfaces of the terminal board 12. The cylindrical resin case 5 has an opening 6 on one end side in the axial direction,
The other end is closed, and a slit 7 extending from one end in the axial direction toward the other end is provided at one location on the outer periphery of the resin case 5. Both walls of the slit 7 of the resin case 5 are slidably fitted into the recess 4 of the terminal plate so as to be sandwiched from the opening 6 of the resin case 5, the capacitor element 1 is positioned, and the slit 7 of the resin case 5 and the terminal plate are positioned. After bonding with the concave portion 4, the epoxy resin 9 is filled in the resin case 5 to bond and fix the capacitor element 1. Terminal plate recess 4
The slit width dimension w 1 of the resin case 5 has a relationship with the thickness dimension t 1 of the wall surface facing the slit 7 of the resin case 5 is w 1 ≧ t 1, and the depth dimension of the recess 4 is The dimensions are such that they fit properly. The arc radius of the recess 4 of the terminal plate is the same as the arc radius of the resin case 5.
以下本発明の第２の実施例について図面を参照しながら
説明する。A second embodiment of the present invention will be described below with reference to the drawings.
第４図〜第６図に示すように第１の実施例の構成と異な
るのは、樹脂ケース５のスリット７の縁部に立ち上がり
部を形成し、端子板２の両側面に設ける凹部４の形状を
立ち上り部８に嵌合するようにした点である。樹脂ケー
ス５のスリット７の形成位置において、スリットを挟む
ように装置ケース５の外周面から突出する低い立ち上が
り部８が形成され、その上面は平面10としこの部分の樹
脂ケースの内周面も平面部10′とする。As shown in FIGS. 4 to 6, the difference from the configuration of the first embodiment is that the recesses 4 formed on both side surfaces of the terminal plate 2 are formed with rising portions at the edges of the slit 7 of the resin case 5. The point is that the shape is fitted to the rising portion 8. At the position where the slit 7 of the resin case 5 is formed, a low rising portion 8 protruding from the outer peripheral surface of the device case 5 is formed so as to sandwich the slit, and the upper surface thereof is a flat surface 10, and the inner peripheral surface of the resin case of this portion is also a flat surface. Part 10 '.
端子板の凹部４のスリットは端子板２に平行で、スリッ
ト幅寸法t2は樹脂ケース５のスリット７の立ち上がり部
８の厚さ寸法t2との関係をw2≧t2とする。The slit of the concave portion 4 of the terminal plate is parallel to the terminal plate 2, and the slit width dimension t 2 has a relationship with the thickness dimension t 2 of the rising portion 8 of the slit 7 of the resin case 5 as w 2 ≧ t 2 .
以上のように本実施例によれば、樹脂ケースの外周の一
箇所に設けたスリットにコンデンサ素子の端子板の両側
面に設けた凹部を嵌合させることにより端子板が樹脂ケ
ースから浮いたり、外れたりすることがなく製造工程で
容易に持ち運びや移動することができる。またケースと
端子板を接着固定するまでの不安定さがなくなるので製
造工程で自動機による組立も可能となる。As described above, according to this embodiment, the terminal plate floats from the resin case by fitting the recesses provided on both side surfaces of the terminal plate of the capacitor element into the slit provided at one location on the outer periphery of the resin case, It can be easily carried and moved in the manufacturing process without coming off. In addition, since there is no instability until the case and the terminal plate are bonded and fixed, assembly by an automatic machine becomes possible in the manufacturing process.
発明の効果 以上の説明からも明らかなように本発明によれば端子板
が円筒形のケースから浮いたり、外れたりすることがな
く、製造工程における取扱いが容易となり生産性が向上
する優れたコンデンサを外形上全く大型化することなく
実現できるものである。EFFECTS OF THE INVENTION As is apparent from the above description, according to the present invention, the terminal plate does not float or come off from the cylindrical case, and it is easy to handle in the manufacturing process, and the excellent capacitor is improved in productivity. Can be realized without increasing the external size at all.
第１図（ａ）は本発明の第１の実施例におけるコンデン
サのコンデンサ素子に接続した端子板の斜視図、同図
（ｂ）は樹脂ケースの斜視図、第２図（ａ）は第１の実
施例のコンデンサ素子をケースに収納した樹脂を示す側
面断面図、同図（ｂ）は同正面断面図、第３図（ａ）は
第１の実施例の樹脂ケースのスリットを示す断面図、同
図（ｂ）は同じく端子板凹部を示す断面図、第４図
（ａ）は本発明の第２実施例におけるコンデンサ素子に
接続した端子板の斜視図、同図（ｂ）は樹脂ケースの斜
視図、第５図（ａ）は第２の実施例のコンデンサ素子を
ケースに収納した状態を示す側面断面図、同図（ｂ）は
同正面断面図、第６図（ａ）は第２の実施例の樹脂ケー
スのスリットを示す断面図、同図（ｂ）は同じく端子板
凹部を示す断面図、第７図（ａ）は従来例のコンデンサ
のコンデンサ素子に接続した端子板の斜視図、同図
（ｂ）は樹脂ケースの斜視図、第８図（ａ）は従来例の
コンデンサ素子をケースに収納した状態を示す側面断面
図、同図（ｂ）は同正面断面図、第９図（ａ）は従来例
の樹脂ケースのスリットを示す断面図、同図（ｂ）は同
じく端子板凸部を示す断面図である。 １……コンデンサ素子、２……端子板、４……端子板凹
部、５……樹脂ケース、６……開口部、７……スリッ
ト、８……立ち上がり部。FIG. 1 (a) is a perspective view of a terminal plate connected to a capacitor element of a capacitor according to the first embodiment of the present invention, FIG. 1 (b) is a perspective view of a resin case, and FIG. 3 is a side sectional view showing a resin in which the capacitor element of the embodiment is housed in a case, FIG. 3B is a front sectional view of the same, and FIG. 3A is a sectional view showing a slit of the resin case of the first embodiment. FIG. 4B is a sectional view showing the recess of the terminal plate, FIG. 4A is a perspective view of the terminal plate connected to the capacitor element in the second embodiment of the present invention, and FIG. 4B is a resin case. FIG. 5 (a) is a side sectional view showing a state in which the capacitor element of the second embodiment is housed in a case, FIG. 5 (b) is the same front sectional view, and FIG. Sectional drawing which shows the slit of the resin case of the Example of FIG. 2, FIG. 8A is a perspective view of a terminal plate connected to a capacitor element of a conventional capacitor, FIG. 8B is a perspective view of a resin case, and FIG. 8A is a state in which a conventional capacitor element is housed in a case. 9B is a side sectional view showing the same, FIG. 9B is a front sectional view thereof, FIG. 9A is a sectional view showing a slit of a resin case of a conventional example, and FIG. It is a figure. 1 ... Capacitor element, 2 ... Terminal plate, 4 ... Terminal plate concave portion, 5 ... Resin case, 6 ... Opening portion, 7 ... Slit, 8 ... Rising portion.
Claims (1)
と、前記円筒形のケースの外周の少なくとも一箇所に軸
芯方向の一端より他端に向かってのびるスリットと、前
記スリットの縁部の内少なくとも軸芯方向にのびる一対
の縁部に嵌合する凹部を備えた端子板とからなるコンデ
ンサ。1. A cylindrical case for accommodating a capacitor element, a slit extending from one end in the axial direction toward the other end in at least one location on the outer circumference of the cylindrical case, and an inner edge of the slit. A capacitor comprising at least a terminal plate provided with a recessed portion fitted in a pair of edge portions extending in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2030856A JPH0758660B2 (en) | 1990-02-09 | 1990-02-09 | Capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2030856A JPH0758660B2 (en) | 1990-02-09 | 1990-02-09 | Capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03234011A JPH03234011A (en) | 1991-10-18 |
| JPH0758660B2 true JPH0758660B2 (en) | 1995-06-21 |
Family
ID=12315359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2030856A Expired - Fee Related JPH0758660B2 (en) | 1990-02-09 | 1990-02-09 | Capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0758660B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3060887B2 (en) * | 1995-04-28 | 2000-07-10 | 松下電器産業株式会社 | Capacitor |
| WO2014091696A1 (en) | 2012-12-10 | 2014-06-19 | パナソニック株式会社 | Case-mold-type capacitor and method for producing same |
| JP6640772B2 (en) * | 2017-03-01 | 2020-02-05 | 株式会社指月電機製作所 | Capacitor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5511139U (en) * | 1978-07-07 | 1980-01-24 | ||
| JPS60124907A (en) * | 1983-12-12 | 1985-07-04 | 株式会社指月電機製作所 | Method of producing resin-sealed capacitor |
-
1990
- 1990-02-09 JP JP2030856A patent/JPH0758660B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03234011A (en) | 1991-10-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
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Free format text: PAYMENT UNTIL: 20080621 Year of fee payment: 13 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
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