JPH051887Y2 - - Google Patents
Info
- Publication number
- JPH051887Y2 JPH051887Y2 JP873087U JP873087U JPH051887Y2 JP H051887 Y2 JPH051887 Y2 JP H051887Y2 JP 873087 U JP873087 U JP 873087U JP 873087 U JP873087 U JP 873087U JP H051887 Y2 JPH051887 Y2 JP H051887Y2
- Authority
- JP
- Japan
- Prior art keywords
- fuse
- arc
- opening
- arc extinguishing
- movable contact
- 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 - Lifetime
Links
- 229920003002 synthetic resin Polymers 0.000 claims description 4
- 239000000057 synthetic resin Substances 0.000 claims description 4
- 239000012212 insulator Substances 0.000 description 5
- 229910052573 porcelain Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Landscapes
- Fuses (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は柱上変圧器の１次側の開閉保護装置と
して使用されるカツトアウトスイツチに関するも
のである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a cut-out switch used as a switching protection device on the primary side of a pole-mounted transformer.
現在、この種の20kv級のカツトアウトスイツ
チとして、第１図に示すように、両端に夫々上部
口出線２０と下部口出線２１を接続した碍子２２
の上部口出線側に固定コンタクト２３を設け、こ
の固定コンタクト２３と接触する可動コンタクト
２４と限流ヒユーズ２５を設けたヒユーズ外筒２
６を前記碍子２６の下部口出線側に回動可能にし
たものが使用されているが、次のような問題があ
つた。
Currently, as shown in Fig. 1, this kind of 20kV class cut-out switch is manufactured using an insulator 22 with an upper outlet wire 20 and a lower outlet wire 21 connected to both ends, respectively.
A fuse outer cylinder 2 is provided with a fixed contact 23 on the upper lead wire side, a movable contact 24 that comes into contact with the fixed contact 23, and a current limiting fuse 25.
An insulator 6 that can be rotated toward the lower lead wire side of the insulator 26 has been used, but the following problems have arisen.
１ 開閉消弧部２７、ヒユーズ外筒２６、支持碍
子２２等の機能が各々別ピースにマウント（例
えばＴ字形）されている為、構造が複雑にな
り、小形化が計れない。1. Since the functions of the opening/closing arc extinguishing part 27, the fuse outer cylinder 26, the support insulator 22, etc. are each mounted on separate pieces (for example, T-shaped), the structure becomes complicated and it is difficult to achieve miniaturization.
２ 外部部材を磁器で形成している為、部品の多
機能化に制約が出て、大幅な部品点数、ネジ締
結数等の削減が計れない。2. Since the external members are made of porcelain, there are restrictions on the multifunctionality of the parts, and it is not possible to significantly reduce the number of parts, screws, etc.
３ 上記磁器は製造上小胴径、縦長については、
限界寸法があり、小形化を妨げている。3 The above porcelain has a small body diameter and length due to manufacturing reasons.
There are critical dimensions that prevent miniaturization.
４ 限流ヒユーズ２５の交換時、ヒユーズ筒２６
の開放スペースを確保する必要があり、装柱ス
ペースを多く必要とする。4 When replacing the current limiting fuse 25, the fuse tube 26
It is necessary to secure an open space, and a large amount of space for installing pillars is required.
５ 磁器は非常に高価で、磁器部分が製造原価の
殆んどを占めていた。5 Porcelain was very expensive, and the porcelain part accounted for most of the manufacturing cost.
そこで本考案は大幅な部品点数、ネジ締結数等
の削減を計ることができ、しかも小形且つ従来よ
り!?かに安価なこの種のカツトアウトスイツチを
提供しようとするものである。 Therefore, the present invention aims to provide a cut-out switch of this type that can significantly reduce the number of parts, screws, etc., and is also smaller and much cheaper than conventional switches.
本考案は上記の問題点を解決するためになされ
たもので、開閉消弧部とヒユーズ外筒を同一軸上
に配置するようにすると共に外筒を合成樹脂で一
体成型する構造としたものである。
This invention was made to solve the above problems, and has a structure in which the opening/closing arc extinguishing part and the fuse outer cylinder are arranged on the same axis, and the outer cylinder is integrally molded from synthetic resin. be.
即ち、本考案は、一体成型した合成樹脂製筒体
の上部に可動コンタクト部を備え且つSF6等の消
弧性ガスを封入した電路開閉用消弧部を設け、そ
の下部に限流ヒユーズ収納部を設けたものであ
る。 That is, the present invention provides an arc extinguishing section for opening and closing the electrical circuit, which is equipped with a movable contact section and filled with an arc extinguishing gas such as SF 6 , in the upper part of an integrally molded synthetic resin cylinder, and a current limiting fuse is housed in the lower part of the arc extinguishing section. It has a section.
開閉消弧部とヒユーズ外筒とを同一軸上に配置
したので、限流ヒユーズの交換時や開放時のスペ
ースが少くて済む、また、部品点数が削減され
る。
Since the opening/closing arc extinguishing part and the fuse outer cylinder are arranged on the same axis, less space is required when replacing or opening the current limiting fuse, and the number of parts is reduced.
第２図は本考案の実施例を示すもので、１は上
下に口出線２０，２１を接続した合成樹脂（例え
ばエポキシ樹脂）製の絶縁筒体、２は筒体１の上
部に設けたSF6ガスを封入した電路開閉用消弧
部、３はその下部に配置された限流ヒユーズ収納
部である。
Fig. 2 shows an embodiment of the present invention, in which 1 is an insulating cylinder made of synthetic resin (e.g., epoxy resin) with lead wires 20 and 21 connected above and below; There is an arc extinguishing section for switching on and off electric circuits filled with SF 6 gas, and 3 is a current limiting fuse storage section located below it.
前記電路開閉用消弧部２には固定コンタクト
４、アーク駆動用円筒状永久磁石又は、アーク駆
動用コイル５、消弧筒６及び可動コンタクト７が
設けられていて、アーク駆動用コイル５で発生さ
せた磁束で、可動コンタクト７の開離によつて生
じるアークを電磁力で高速回転させることにより
アークの足のアーク消耗を減らし、可動コンタク
トの寿命を延ばす機能を持つている。８は通電電
極で、消弧部材と共に筒体１にインサートされて
いる。 The arc extinguishing part 2 for opening and closing the electrical circuit is provided with a fixed contact 4, a cylindrical permanent magnet for arc driving, or a coil 5 for arc driving, an arc extinguishing tube 6, and a movable contact 7, and the arc extinguishing part 2 is provided with The generated magnetic flux causes the arc generated by the opening of the movable contact 7 to rotate at high speed using electromagnetic force, thereby reducing arc wear on the legs of the arc and extending the life of the movable contact. Reference numeral 8 denotes a current-carrying electrode, which is inserted into the cylindrical body 1 together with an arc-extinguishing member.
限流ヒユーズ収納部３内上部にはクリツプ式ヒ
ユーズ把持電極９が設けられていて、下方から限
流ヒユーズ１０を挿入し、開閉ばね１１に抗して
ヒユーズ把持電極９にクリツプさせると、可動コ
ンタクト７が固定コンタクト４と接触して閉路す
る。 A clip-type fuse gripping electrode 9 is provided in the upper part of the current-limiting fuse housing 3. When the current-limiting fuse 10 is inserted from below and clipped onto the fuse gripping electrode 9 against the opening/closing spring 11, a movable contact is formed. 7 contacts the fixed contact 4 to close the circuit.
なお図示しなかつたが、限流ヒユーズ収納部９
の下部には限流ヒユーズ１０を押し込んだ時、そ
れを止める装置が設けられている。 Although not shown, the current limiting fuse storage section 9
A device is provided at the bottom of the fuse to stop the current limiting fuse 10 from being pushed in.
図中１２は固定用Ｏリング、１３は軸方向シー
ルとして用いる可動用Ｏリング、１４はヒユーズ
把持電極９を固定するために、インサートされた
ナツトである。 In the figure, 12 is a fixed O-ring, 13 is a movable O-ring used as an axial seal, and 14 is a nut inserted to fix the fuse gripping electrode 9.
１ 本考案は消弧室部容器やヒユーズ外筒部等を
一体モールド化したので、部品の多機能率が向
上し、超小形、軽量化が計れた。
1. In this invention, the arc extinguishing chamber container, the fuse outer cylinder, etc. are integrally molded, which improves the multifunctionality of the parts and makes them ultra-small and lightweight.
２ 絶縁モールド即ち、筒体１で消弧部材および
通電電極を一体注型により固定したため、一体
絶縁化が得られ、ねじ締め等による、取付けが
不要となつた。2. Since the arc-extinguishing member and the current-carrying electrode are fixed by integral casting in the insulating mold, that is, the cylinder 1, integral insulation is obtained, and installation by screw tightening or the like is not required.
３ 縦形磁器から一体絶縁モールドにすることに
より製造が容易になり、寸法精度が向上した。3. Manufacturing has become easier and dimensional accuracy has improved by changing from vertical porcelain to integral insulation molding.
４ ヒユーズ交換スペースが、同軸一方向のみと
なる為、装柱スペースの縮少化が計れた。4. The space for replacing the fuse is only in one direction of the same axis, reducing the space required for mounting the pillar.
第１図は従来品の一部を切欠した側面図、第２
図は本考案実施例の一部を切欠した側面図であ
る。
１……筒体、２……電路、３……限流ヒユーズ
収納部、４……固定コンタクト、５……アーク駆
動用コイル、６……消弧筒、７……可動コンタク
ト、８……通電電極、９……ヒユーズ把持電極、
１０……限流ヒユーズ、１１……開閉ばね、２０
……上部口出線、２１……下部口出線、２２……
碍子、２３……固定コンタクト、２４……可動コ
ンタクト、２５……限流ヒユーズ、２６……ヒユ
ーズ外筒。
Figure 1 is a partially cutaway side view of the conventional product, Figure 2
The figure is a partially cutaway side view of an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Cylindrical body, 2... Electric circuit, 3... Current limiting fuse housing, 4... Fixed contact, 5... Arc drive coil, 6... Arc extinguishing tube, 7... Movable contact, 8... Current-carrying electrode, 9...fuse gripping electrode,
10... Current limiting fuse, 11... Opening/closing spring, 20
...Upper exit line, 21...Lower exit line, 22...
Insulator, 23... Fixed contact, 24... Movable contact, 25... Current limiting fuse, 26... Fuse outer cylinder.
Claims (1)
ンタクト部７を備え且つSF6ガス等の消弧性ガス
を封入した電路開閉用消弧部２を設け、その下部
に限流ヒユーズ収納部３を設けたことを特徴とす
るカツトアウトスイツチ。 An arc-extinguishing part 2 for opening and closing an electrical circuit is provided on the upper part of an integrally molded synthetic resin cylinder 1, and is equipped with a movable contact part 7 and filled with an arc-extinguishing gas such as SF 6 gas, and a current-limiting fuse storage part 3 is provided at the bottom thereof. A cut-out switch characterized by being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP873087U JPH051887Y2 (en) | 1987-01-26 | 1987-01-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP873087U JPH051887Y2 (en) | 1987-01-26 | 1987-01-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63118156U JPS63118156U (en) | 1988-07-30 |
| JPH051887Y2 true JPH051887Y2 (en) | 1993-01-19 |
Family
ID=30793384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP873087U Expired - Lifetime JPH051887Y2 (en) | 1987-01-26 | 1987-01-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH051887Y2 (en) |
-
1987
- 1987-01-26 JP JP873087U patent/JPH051887Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63118156U (en) | 1988-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2312606B1 (en) | Circuit-breaker with a common housing | |
| US20080053810A1 (en) | Solid-Insulated Switch Pole with an End Moving Contact Connection | |
| US7532097B2 (en) | Slot motor housing and circuit interrupter including the same | |
| US4766273A (en) | High current double-break electrical contactor | |
| JP3431439B2 (en) | Insulated switchgear | |
| JPH051887Y2 (en) | ||
| US3699276A (en) | Linear push plunger electrical switch with tubular shroud arc prevention means | |
| US3891896A (en) | Vacuum circuit interrupter | |
| US5591948A (en) | Vacuum cartridge, notably for a medium voltage electrical cicuit breaker or switch and a switch incorporating such a cartridge | |
| US9620316B2 (en) | Circuit-breaker pole part with a flexible conductor for connecting a movable electrical contact | |
| US3668578A (en) | Lightweight electromagnetic relay | |
| GB2230143A (en) | Electrical power vacum interrupters | |
| CN220065545U (en) | Outdoor all-insulated circuit breaker of electrified railway | |
| JPH02281519A (en) | Pole mounted switch | |
| WO2014005713A1 (en) | Pushrod assembly for a medium voltage vacuum circuit breaker | |
| CN213093146U (en) | Relay arc-blowing device with ceramic protection | |
| KR100746125B1 (en) | Structure of switch for buchholz relay | |
| KR840001463B1 (en) | Vacuum break switch | |
| US3137780A (en) | Circuit breaker handle assembly | |
| SU907625A1 (en) | Current relay | |
| JP3256141B2 (en) | Conductor connection device for insulated switchgear | |
| SU1742892A1 (en) | Multicontact magnetically controlled device | |
| JPS6347216B2 (en) | ||
| KR200418451Y1 (en) | Structure of Switch for Buchholz Relay | |
| TH18987EX (en) | The successor and method of the switch which cut off the arc |