JPH0280955U - - Google Patents
Info
- Publication number
- JPH0280955U JPH0280955U JP16136388U JP16136388U JPH0280955U JP H0280955 U JPH0280955 U JP H0280955U JP 16136388 U JP16136388 U JP 16136388U JP 16136388 U JP16136388 U JP 16136388U JP H0280955 U JPH0280955 U JP H0280955U
- Authority
- JP
- Japan
- Prior art keywords
- memory alloy
- current transformer
- shape memory
- drive device
- device equipped
- 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
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Breakers (AREA)
Description
第１図はこの考案の構成を示す図、第２図はこ
の考案の実施例である回路遮断器の構成を示す図
、第３図は同回路遮断器の一部を構成する引外し
部を示す図である。第４図および第５図はいずれ
もこの考案の別の実施例の要部の構成を示す図で
ある。また、第６図は従来の変流器を備えた駆動
装置を示す図であり、第７図は従来の回路遮断器
を示す図である。
１―変流器、３―形状記憶合金、６―引外し部
、７―コイルスプリング（弾性部材）、８―回路
接点。
Figure 1 is a diagram showing the configuration of this invention, Figure 2 is a diagram showing the configuration of a circuit breaker which is an embodiment of this invention, and Figure 3 is a diagram showing the tripping part that constitutes a part of the circuit breaker. FIG. FIG. 4 and FIG. 5 are both diagrams showing the configuration of essential parts of another embodiment of this invention. Moreover, FIG. 6 is a diagram showing a drive device equipped with a conventional current transformer, and FIG. 7 is a diagram showing a conventional circuit breaker. 1-Current transformer, 3-Shape memory alloy, 6-Trip section, 7-Coil spring (elastic member), 8-Circuit contact.
Claims (1)
変流器の２次側のシヤント負荷として、抵抗体の
形状記憶合金を接続したことを特徴とする変流器
を備えた駆動装置。 (2) 前記形状記憶合金を、所定温度に達した時
に収縮方向の復元力を生じる細線状の形状記憶合
金で構成するとともに、この形状記憶合金に引張
方向の予変形を与える弾性部材と、形状記憶合金
の動作により回路接点を遮断する引外し部と、を
設けた請求項１記載の変流器を備えた駆動装置。[Scope of claims for utility model registration] (1) Equipped with a current transformer that transforms the current in the main circuit,
A drive device equipped with a current transformer, characterized in that a shape memory alloy resistor is connected as a shunt load on the secondary side of the current transformer. (2) The shape memory alloy is composed of a thin wire shape memory alloy that generates a restoring force in the contraction direction when a predetermined temperature is reached, and an elastic member that predeforms the shape memory alloy in the tensile direction; 2. A drive device equipped with a current transformer according to claim 1, further comprising a tripping portion that interrupts the circuit contact by operation of a memory alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16136388U JPH0280955U (en) | 1988-12-12 | 1988-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16136388U JPH0280955U (en) | 1988-12-12 | 1988-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0280955U true JPH0280955U (en) | 1990-06-21 |
Family
ID=31444233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16136388U Pending JPH0280955U (en) | 1988-12-12 | 1988-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0280955U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5620252B2 (en) * | 1975-02-07 | 1981-05-12 | ||
| JPS6345728A (en) * | 1986-08-11 | 1988-02-26 | 株式会社東芝 | Circuit breaker |
-
1988
- 1988-12-12 JP JP16136388U patent/JPH0280955U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5620252B2 (en) * | 1975-02-07 | 1981-05-12 | ||
| JPS6345728A (en) * | 1986-08-11 | 1988-02-26 | 株式会社東芝 | Circuit breaker |
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