JPH0452988Y2 - - Google Patents
Info
- Publication number
- JPH0452988Y2 JPH0452988Y2 JP10070887U JP10070887U JPH0452988Y2 JP H0452988 Y2 JPH0452988 Y2 JP H0452988Y2 JP 10070887 U JP10070887 U JP 10070887U JP 10070887 U JP10070887 U JP 10070887U JP H0452988 Y2 JPH0452988 Y2 JP H0452988Y2
- Authority
- JP
- Japan
- Prior art keywords
- explosion
- proof
- lid
- protrusion
- proof valve
- 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
- 239000003990 capacitor Substances 0.000 claims description 20
- 230000032683 aging Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は蓋に防爆弁を設けた防爆型コンデンサ
に関する。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an explosion-proof capacitor having an explosion-proof valve in its lid.
（従来の技術）
アルミ電解コンデンサ等の防爆型コンデンサ
は、通常、エージング工程等においてコンデンサ
素子からガスが発生するために、エージング工程
等後に密封している。(Prior Art) Explosion-proof capacitors such as aluminum electrolytic capacitors are usually sealed after the aging process because gas is generated from the capacitor element during the aging process.
（考案が解決しようとする問題点）
しかし、エージング工程等後に密封する従来の
コンデンサでは、エージング工程の自動化が困難
であり、コンデンサ素子のドライアツプや吸湿の
ため劣化する欠点がある。また、ケースを蓋によ
り密封する際にコンデンサ素子が押圧され損傷す
るために再エージングをしなければならず、なか
にはこの工程中に防爆弁が差動するような欠点も
ある。(Problems to be Solved by the Invention) However, with conventional capacitors that are sealed after the aging process, it is difficult to automate the aging process, and the capacitor element deteriorates due to dry-up and moisture absorption. In addition, when the case is sealed with a lid, the capacitor element is pressed and damaged, so it must be re-aged, and in some cases, the explosion-proof valve may operate differentially during this process.
このような欠点を改良するために、エージング
工程等前に孔を有する蓋を取り付け、この工程等
後に蓋の孔に防爆弁を取り付ける考案もあつた。
これは、第９図に示す通り、蓋３１に設けられた
段状の孔３２に平板状の弁３３を載置し、プツシ
ユナツト３４によりこの弁３３を孔３２内に押圧
し固定した構造となつている。しかし、この構造
では、弁３３が剛性の高い材質の場合にはプツシ
ユナツト３４挿入時に割れを生じる欠点があり、
また、弁３３作動前の蓋３１の変形によりプツシ
ユナツト３４が外れる欠点もある。 In order to improve these drawbacks, there has been an idea to attach a lid having a hole before the aging process, etc., and to attach an explosion-proof valve to the hole in the lid after this process.
As shown in FIG. 9, this has a structure in which a flat valve 33 is placed in a stepped hole 32 provided in a lid 31, and the valve 33 is pressed and fixed into the hole 32 by a push nut 34. ing. However, this structure has the disadvantage that if the valve 33 is made of a highly rigid material, the push nut 34 may crack when inserted.
Another disadvantage is that the push nut 34 comes off due to deformation of the lid 31 before the valve 33 is operated.
本考案の目的は、以上の欠点を改良し、必ずし
も再エージング工程等を要せず、防爆等の信頼性
の高い防爆型コンデンサを提供するものである。 The purpose of the present invention is to improve the above-mentioned drawbacks and provide a highly reliable explosion-proof capacitor that does not necessarily require a re-aging process or the like.
（問題点を解決するための手段）
本考案は、上記の目的を達成するために、コン
デンサ素子をケースに収納し防爆弁を有する蓋に
より密閉した防爆型コンデンサにおいて、段状で
載置部に凸起を有する防爆孔と、該凸起に載置さ
れた防爆弁と、該防爆弁を前記凸起に押圧固定し
前記載置部に超音波溶着された固定具とを蓋に設
けることを特徴とする防爆型コンデンサを提供す
るものである。(Means for Solving the Problems) In order to achieve the above object, the present invention provides an explosion-proof capacitor in which a capacitor element is housed in a case and sealed with a lid having an explosion-proof valve. The lid is provided with an explosion-proof hole having a protrusion, an explosion-proof valve placed on the protrusion, and a fixture that presses and fixes the explosion-proof valve on the protrusion and is ultrasonically welded to the mounting portion. This provides an explosion-proof capacitor with special characteristics.
（作用）
本考案によれば、防爆弁の後付けが可能であ
り、また、固定具により防爆弁を凸起に押圧固定
しこの固定具を載置部に超音波溶着しているため
に、蓋が多少変形しても固定具が外れることな
く、防爆機能の信頼性が向上する。(Function) According to the present invention, the explosion-proof valve can be retrofitted, and since the explosion-proof valve is pressed and fixed to the protrusion by a fixing device and this fixing device is ultrasonically welded to the mounting part, the lid can be attached easily. Even if it is slightly deformed, the fixture will not come off, improving the reliability of the explosion-proof function.
（実施例）
以下、本考案を図示の実施例に基づいて説明す
る。(Example) Hereinafter, the present invention will be explained based on the illustrated example.
第１図において、１はコンデンサ素子である。
２はコンデンサ素子１を内蔵するアルミ等の金属
製のケースである。３はケース２に取り付けられ
た樹脂製の蓋である。４及び５は蓋３に貫設され
た端子であり、コンデンサ素子１から引き出され
たリード線６及び７が接続されている。８は、蓋
３に設けられた段状の防爆孔であり、載置部９に
凸起１０が設けられている。１１は凸起１０に載
置された防爆弁である。１２は、防爆弁１１を凸
起１０に押圧固定しうる中空のキヤツプ状の固定
具であり、載置部９に超音波溶着されている。 In FIG. 1, 1 is a capacitor element.
Reference numeral 2 denotes a case made of metal such as aluminum, in which the capacitor element 1 is housed. 3 is a resin lid attached to the case 2. Terminals 4 and 5 are provided through the lid 3, and lead wires 6 and 7 drawn out from the capacitor element 1 are connected thereto. Reference numeral 8 denotes a stepped explosion-proof hole provided in the lid 3, and a protrusion 10 is provided in the mounting portion 9. 11 is an explosion-proof valve placed on the protrusion 10. Reference numeral 12 denotes a hollow cap-shaped fixture capable of press-fixing the explosion-proof valve 11 to the protrusion 10, and is ultrasonically welded to the mounting portion 9.
防爆弁１１を凸起１０に押圧固定するには、第
２図に示す通り、固定具１２の先端に小凸起１３
を設けておき、超音波溶着の際にこの小凸起１３
を溶着するようにする。 In order to press and fix the explosion-proof valve 11 to the protrusion 10, as shown in FIG.
This small protrusion 13 is provided during ultrasonic welding.
so that it is welded.
上記実施例によれば、エージング工程後等に防
爆弁１１を固定具１２により固定し、防爆孔８を
封止できる。そしてケース２内のガス圧力が上昇
して蓋３が多少変形しても、防爆弁１１を固定具
１２により凸起１０に押圧固定して、超音波溶着
し凸起１０が変形するのを押さえているために、
固定具１２や防爆弁１１が外れるのを防止でき
る。 According to the embodiment described above, the explosion-proof valve 11 can be fixed with the fixture 12 after the aging process, and the explosion-proof hole 8 can be sealed. Even if the gas pressure inside the case 2 rises and the lid 3 deforms to some extent, the explosion-proof valve 11 is pressed and fixed to the protrusion 10 by the fixture 12, and ultrasonic welding is performed to prevent the protrusion 10 from deforming. In order to
It is possible to prevent the fixture 12 and the explosion-proof valve 11 from coming off.
また、第３図〜第８図は本考案の他の実施例を
示す。 Further, FIGS. 3 to 8 show other embodiments of the present invention.
第３図は凸起１４の先端が傾斜し、固定具１５
はその側面が凸起１４に密着する形状になつてい
る。 In FIG. 3, the tip of the protrusion 14 is inclined, and the fixture 15
is shaped so that its side surface is in close contact with the protrusion 14.
第４図は凸起１６の中途が直線状に傾斜し、こ
れに第５図又は第６図に示す固定具１７及び１８
をはめ込み載置部１９に超音波溶着する。なお、
固定具１７は先端２０が直線部と弧状部とからな
り、固定具１８は先端２１の一部が凸起１６の傾
斜角と異なる角度で直線状に傾斜している。 In FIG. 4, the midway of the protrusion 16 is inclined linearly, and the fixtures 17 and 18 shown in FIG. 5 or 6 are attached to this.
are fitted and ultrasonically welded to the mounting portion 19. In addition,
The distal end 20 of the fixture 17 consists of a straight part and an arcuate part, and a part of the distal end 21 of the fixture 18 is linearly inclined at an angle different from the inclination angle of the protrusion 16.
また、第７図に示す通り、凸起２２の中途がＲ
状に傾斜し、これに第８図に示す通り、先端２３
が弧状の固定具２４をはめ込んでもよい。 Moreover, as shown in FIG. 7, the middle of the protrusion 22 is R
As shown in FIG.
A fixing member 24 having an arc shape may be fitted therein.
（考案の効果）
以上の通り、本考案によれば、エージング工程
等後に密封が可能であり、再エージング等を必要
とせず蓋の多少の変形によつても防爆弁が外れる
ことなく、特性の良いかつ防爆の信頼性の高い電
解コンデンサが得られる。(Effects of the invention) As described above, according to the invention, it is possible to seal after the aging process, etc., there is no need for re-aging, the explosion-proof valve does not come off even if the lid is slightly deformed, and the characteristics are maintained. A good, explosion-proof and highly reliable electrolytic capacitor can be obtained.
第１図は本考案の実施例の正面断面図、第２図
は第１図の実施例に用いられる固定具の正面断面
図、第３図は本考案の他の実施例に用いられる蓋
の断面図、第４図は本考案のもう一つの実施例に
用いられる密封前の蓋の断面図、第５図及び第６
図は第４図の蓋の密封に用いられる固定具の断面
図、第７図及び第８図は本考案のさらに他の実施
例の各々蓋及び固定具の断面図、第９図は従来の
電解コンデンサに用いられる蓋の断面図を示す。
１……コンデンサ素子、２……ケース、３……
蓋、８……防爆孔、９，１９……載置部、１０，
１４，１６，２２……凸起、１１……防爆弁、１
２，１５，１７，１８，２４……固定具。
Fig. 1 is a front sectional view of an embodiment of the present invention, Fig. 2 is a front sectional view of a fixture used in the embodiment of Fig. 1, and Fig. 3 is a front sectional view of a lid used in another embodiment of the invention. A cross-sectional view, FIG. 4 is a cross-sectional view of a lid before sealing used in another embodiment of the present invention, and FIGS.
The figure is a cross-sectional view of a fixture used to seal the lid of Figure 4, Figures 7 and 8 are cross-sectional views of the lid and fixture of still other embodiments of the present invention, and Figure 9 is a conventional one. A cross-sectional view of a lid used for an electrolytic capacitor is shown. 1... Capacitor element, 2... Case, 3...
Lid, 8... Explosion-proof hole, 9, 19... Placement part, 10,
14, 16, 22...Protrusion, 11...Explosion-proof valve, 1
2, 15, 17, 18, 24...Fixing tools.
Claims (1)
る蓋により密閉した防爆型コンデンサにおいて、
段状で載置部に凸起を有する防爆孔と、該凸起に
載置された防爆弁と、該防爆弁を前記凸起に押圧
固定し前記載置部に超音波溶着された固定具とを
蓋に設けることを特徴とする防爆型コンデンサ。 In explosion-proof capacitors, where the capacitor element is housed in a case and sealed with a lid that has an explosion-proof valve,
A step-shaped explosion-proof hole having a protrusion on the mounting part, an explosion-proof valve placed on the protrusion, and a fixture that presses and fixes the explosion-proof valve on the protrusion and is ultrasonically welded to the mounting part. An explosion-proof capacitor characterized by having a cap on the lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10070887U JPH0452988Y2 (en) | 1987-06-30 | 1987-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10070887U JPH0452988Y2 (en) | 1987-06-30 | 1987-06-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS646035U JPS646035U (en) | 1989-01-13 |
| JPH0452988Y2 true JPH0452988Y2 (en) | 1992-12-14 |
Family
ID=31329026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10070887U Expired JPH0452988Y2 (en) | 1987-06-30 | 1987-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452988Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006156868A (en) * | 2004-12-01 | 2006-06-15 | Nok Corp | Pressure release valve |
| JP2006313715A (en) * | 2005-01-31 | 2006-11-16 | Nok Corp | Pressure release valve |
| JP6688037B2 (en) * | 2015-10-28 | 2020-04-28 | ニチコン株式会社 | Sealing body and electrolytic capacitor |
-
1987
- 1987-06-30 JP JP10070887U patent/JPH0452988Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS646035U (en) | 1989-01-13 |
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