JPH01111446U - - Google Patents
Info
- Publication number
- JPH01111446U JPH01111446U JP541088U JP541088U JPH01111446U JP H01111446 U JPH01111446 U JP H01111446U JP 541088 U JP541088 U JP 541088U JP 541088 U JP541088 U JP 541088U JP H01111446 U JPH01111446 U JP H01111446U
- Authority
- JP
- Japan
- Prior art keywords
- short
- circuit
- trigger
- phase
- phases
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Fuses (AREA)
Description
第１図は本考案の短絡装置の一実施例を示す回
路図。第２図はトリガヒユーズの構造を示す断面
図。第３図はトリガと短絡片の関係を示す説明図
。第４図ａ，ｂは短絡片のオンとオフの状態を示
す説明図。第５図は本考案の別の実施例を示す回
路図。第６図はさらに別の実施例を示す回路図。
符号の説明、１Ｕ，１Ｖ，１Ｗ……分岐線（電
源側配電線）、２Ｕ，２Ｖ，２Ｗ……メインヒユ
ーズ、３Ｕ，３Ｖ，３Ｗ……負荷側配電線、４，
４Ｕ，４Ｖ，４Ｗ……トリガヒユーズ、５Ｕ，５
Ｖ，５Ｗ……短絡片、６Ｖ，７Ｗ，８Ｕ……固定
接点、９Ｕ，９Ｖ，９Ｗ……サブ分岐線、１０…
…短絡片、１１……可動接点、１３……固定接点
、１７，１８……吸引鉄片、２４……シヤフト、
２５……コイルばね、４１……絶縁筒、４２……
トリガ、４３……作動表示栓、４４……トリガ線
、４５，４６……ばね、４７……端子金具、４８
……リード金具。
FIG. 1 is a circuit diagram showing an embodiment of the short circuit device of the present invention. FIG. 2 is a sectional view showing the structure of the trigger fuse. FIG. 3 is an explanatory diagram showing the relationship between the trigger and the shorting piece. FIGS. 4a and 4b are explanatory diagrams showing the on and off states of the shorting piece. FIG. 5 is a circuit diagram showing another embodiment of the present invention. FIG. 6 is a circuit diagram showing yet another embodiment. Explanation of symbols, 1U, 1V, 1W...branch line (power supply side distribution line), 2U, 2V, 2W...main fuse, 3U, 3V, 3W...load side distribution line, 4,
4U, 4V, 4W...Trigger fuse, 5U, 5
V, 5W...Short circuit piece, 6V, 7W, 8U...Fixed contact, 9U, 9V, 9W...Sub branch line, 10...
... Short circuit piece, 11 ... Movable contact, 13 ... Fixed contact, 17, 18 ... Suction iron piece, 24 ... Shaft,
25...Coil spring, 41...Insulating cylinder, 42...
Trigger, 43... Operation indicator plug, 44... Trigger wire, 45, 46... Spring, 47... Terminal fitting, 48
...Lead metal fittings.
Claims (1)
トリガ線と、トリガ線によつて定位置に保持され
るとともにトリガ線の溶断で突出するトリガを有
し、各相に設けられたメインヒユーズと並列にな
るように各相に設けられるトリガヒユーズと、 配電線の相間で短絡回路を形成するように設け
られ前記トリガの突出によつて配電線を短絡させ
る短絡片を備え、前記トリガが前記短絡片を自ら
の突出方向に移動させることを特徴とする欠相保
護用短絡装置。 (2) 前記配電線の１相の短絡片が他の相の相間
を短絡させるように設けられている実用新案登録
請求の範囲第１項記載の欠相保護用短絡装置。 (3) 前記配電線の１相の短絡片が自相と他の１
相の相間を短絡し、この他の１相の短絡片がさら
に自相と別の他の相の相間を短絡するように設け
られている実用新案登録請求の範囲第１項記載の
欠相保護用短絡装置。 (4) 前記配電線の短絡片は同時に全ての相を短
絡させるように設けられている実用新案登録請求
の範囲第１項記載の欠相保護用短絡装置。 (5) 前記トリガヒユーズは前記トリガの突出と
同時に突出する作動表示栓を備えている実用新案
登録請求の範囲第１項記載の欠相保護用短絡装置
。[Claims for Utility Model Registration] (1) It has a trigger wire that blows out when the main fuse blows out, and a trigger that is held in place by the trigger wire and protrudes when the trigger wire blows out. a trigger fuse provided in each phase in parallel with the main fuse provided in the main fuse; and a short-circuiting piece provided to form a short circuit between the phases of the distribution line and short-circuiting the distribution line by the protrusion of the trigger. A short-circuit device for protection against an open phase, wherein the trigger moves the short-circuit piece in a direction in which the short-circuit piece protrudes. (2) The short-circuiting device for protecting an open phase according to claim 1, wherein the short-circuiting piece of one phase of the distribution line is provided to short-circuit the phases of other phases. (3) The shorting piece of one phase of the distribution line is connected to the own phase and the other one.
The open phase protection according to claim 1 of the utility model registration claim, which is provided to short-circuit the phases of the phases, and the short-circuit piece of another phase further short-circuits the phases of the own phase and another phase. short circuit device. (4) The short-circuit device for protection against an open phase according to claim 1, wherein the short-circuit piece of the distribution line is provided to short-circuit all phases at the same time. (5) The short-circuit device for protection against an open phase according to claim 1, wherein the trigger fuse is provided with an operation indicator plug that protrudes simultaneously with the protrusion of the trigger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988005410U JPH0443953Y2 (en) | 1988-01-20 | 1988-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988005410U JPH0443953Y2 (en) | 1988-01-20 | 1988-01-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01111446U true JPH01111446U (en) | 1989-07-27 |
| JPH0443953Y2 JPH0443953Y2 (en) | 1992-10-16 |
Family
ID=31208762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988005410U Expired JPH0443953Y2 (en) | 1988-01-20 | 1988-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0443953Y2 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5410959A (en) * | 1977-06-27 | 1979-01-26 | Nippon Kouatsu Electric Co | Fuse breaker |
| JPS6013161U (en) * | 1983-07-04 | 1985-01-29 | 大野 幸雄 | Putter with spirit level |
| JPS6086727A (en) * | 1983-10-19 | 1985-05-16 | 金邦電気株式会社 | Fuse box for preventing 3-phase 3-wired defect phase |
| JPS60131879U (en) * | 1984-02-14 | 1985-09-03 | 東芝エンジニアリング株式会社 | Terminal device for secondary circuit of instrument transformer |
| JPH0513824U (en) * | 1991-08-07 | 1993-02-23 | 株式会社クボタ | Tractor |
-
1988
- 1988-01-20 JP JP1988005410U patent/JPH0443953Y2/ja not_active Expired
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5410959A (en) * | 1977-06-27 | 1979-01-26 | Nippon Kouatsu Electric Co | Fuse breaker |
| JPS6013161U (en) * | 1983-07-04 | 1985-01-29 | 大野 幸雄 | Putter with spirit level |
| JPS6086727A (en) * | 1983-10-19 | 1985-05-16 | 金邦電気株式会社 | Fuse box for preventing 3-phase 3-wired defect phase |
| JPS60131879U (en) * | 1984-02-14 | 1985-09-03 | 東芝エンジニアリング株式会社 | Terminal device for secondary circuit of instrument transformer |
| JPH0513824U (en) * | 1991-08-07 | 1993-02-23 | 株式会社クボタ | Tractor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0443953Y2 (en) | 1992-10-16 |
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