JPS6176660U - - Google Patents
Info
- Publication number
- JPS6176660U JPS6176660U JP16140484U JP16140484U JPS6176660U JP S6176660 U JPS6176660 U JP S6176660U JP 16140484 U JP16140484 U JP 16140484U JP 16140484 U JP16140484 U JP 16140484U JP S6176660 U JPS6176660 U JP S6176660U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- fixed core
- protection element
- overcurrent protection
- core
- 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.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 2
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims 1
Landscapes
- Electromagnets (AREA)
- Breakers (AREA)
Description
第１図はこの考案の第１の実施例のカバーを外
した状態の断面図、第２図は第２の実施例の断面
図である。
１１…コイル、１５…ねじ孔（調整手段）、１
６，１６′…固定鉄心、２１…プランジヤ、２７
…復帰ばね、２８…形状記憶合金ばね、３８…調
整部材（調整手段）。
FIG. 1 is a cross-sectional view of the first embodiment of this invention with the cover removed, and FIG. 2 is a cross-sectional view of the second embodiment. 11... Coil, 15... Screw hole (adjustment means), 1
6, 16'... Fixed iron core, 21... Plunger, 27
...Return spring, 28...Shape memory alloy spring, 38...Adjustment member (adjustment means).
Claims (1)
ンジヤと、前記固定鉄心とプランジヤとの間に介
在されてプランジヤを固定鉄心から離する復帰ば
ねと、短絡電流により前記プランジヤを固定鉄心
に吸引させるコイルと、このコイルの過電流によ
る熱で変態温度に加熱されて前記プランジヤを前
記固定鉄心側に駆動する形状記憶合金ばねと、前
記固定鉄心とプランジヤの離間距離を調整する調
整手段とを備えた過電流保護素子。 (2) 前記調整手段は固定鉄心をプランジヤに対
して移動させる実用新案登録請求の範囲第(1)項
記載の過電流保護素子。 (3) 前記調整手段は前記プランジヤを支持する
支持部を前記固定鉄心に対して移動する実用新案
登録請求の範囲第(1)項記載の過電流保護素子。[Claims for Utility Model Registration] (1) A fixed core, a plunger facing the fixed core, a return spring interposed between the fixed core and the plunger to separate the plunger from the fixed core; A coil that attracts the plunger to the fixed core, a shape memory alloy spring that is heated to a transformation temperature by heat due to an overcurrent of the coil and drives the plunger toward the fixed core, and a distance between the fixed core and the plunger. and an overcurrent protection element. (2) The overcurrent protection element according to claim (1), wherein the adjusting means moves the fixed iron core relative to the plunger. (3) The overcurrent protection element according to claim (1), wherein the adjusting means moves a support portion that supports the plunger relative to the fixed core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16140484U JPS6176660U (en) | 1984-10-25 | 1984-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16140484U JPS6176660U (en) | 1984-10-25 | 1984-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6176660U true JPS6176660U (en) | 1986-05-23 |
Family
ID=30719312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16140484U Pending JPS6176660U (en) | 1984-10-25 | 1984-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6176660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014116241A (en) * | 2012-12-12 | 2014-06-26 | Mitsubishi Electric Corp | Circuit breaker and electromagnetic tripping device therefor |
-
1984
- 1984-10-25 JP JP16140484U patent/JPS6176660U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014116241A (en) * | 2012-12-12 | 2014-06-26 | Mitsubishi Electric Corp | Circuit breaker and electromagnetic tripping device therefor |