JPH0181839U - - Google Patents
Info
- Publication number
- JPH0181839U JPH0181839U JP1987176351U JP17635187U JPH0181839U JP H0181839 U JPH0181839 U JP H0181839U JP 1987176351 U JP1987176351 U JP 1987176351U JP 17635187 U JP17635187 U JP 17635187U JP H0181839 U JPH0181839 U JP H0181839U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- supply unit
- terminal
- battery
- electrode
- 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
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Thermally Actuated Switches (AREA)
Description
第１図は本考案の実施例に係る過電流防止装置
を備えた電源ユニツトを示す分解斜視図、第２図
は電源ユニツトの正常時を示す平面図、第３図は
同ユニツトの過電流時を示す平面図、第４図は他
例を示す斜視図、第５図は従来の電源ユニツトを
示す平面図である。
１１……電源ユニツトケース、１２……陽極端
子、１３……陰極端子、１４……形状記憶合金製
棒材、１４ａ……一端部、１４ｂ……他端部、１
５……接続端子、１６……電池、１６ａ……＋電
極、１６ｂ……−電極。
Fig. 1 is an exploded perspective view showing a power supply unit equipped with an overcurrent prevention device according to an embodiment of the present invention, Fig. 2 is a plan view showing the power supply unit when it is normal, and Fig. 3 is a diagram showing the same unit when it is overcurrent. 4 is a perspective view showing another example, and FIG. 5 is a plan view showing a conventional power supply unit. DESCRIPTION OF SYMBOLS 11... Power unit case, 12... Anode terminal, 13... Cathode terminal, 14... Shape memory alloy bar material, 14a... One end, 14b... Other end, 1
5... Connection terminal, 16... Battery, 16a... + electrode, 16b... - electrode.
Claims (1)
可能に装着される電源ユニツトにおいて、該電源
ユニツトケースの同一内壁面に、陽極端子と陰極
端子を一定の間隔をおいて配設し、該各いずれか
一方の端子と電池の一の電極とを直接接続すると
共に、他方の端子と電池の他の電極とを、一端部
に接続端子を有する直線状の形状記憶合金製棒材
で接続し、且つ該形状記憶合金製棒材は、高温時
には自身の直線形状が縮み、低温時には自身の直
線形状が伸びるように熱処理されていることを特
徴とする電源ユニツトの過電流防止装置。 In a power supply unit that is removably attached to an electrical equipment body with a battery set inside, an anode terminal and a cathode terminal are arranged at a fixed interval on the same inner wall surface of the power supply unit case, and each One of the terminals is directly connected to one electrode of the battery, and the other terminal is connected to the other electrode of the battery using a straight shape memory alloy rod having a connecting terminal at one end, An overcurrent prevention device for a power supply unit, characterized in that the shape memory alloy bar is heat-treated so that its linear shape contracts at high temperatures and expands at low temperatures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987176351U JPH0641308Y2 (en) | 1987-11-20 | 1987-11-20 | Overcurrent protection device for power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987176351U JPH0641308Y2 (en) | 1987-11-20 | 1987-11-20 | Overcurrent protection device for power supply unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0181839U true JPH0181839U (en) | 1989-05-31 |
| JPH0641308Y2 JPH0641308Y2 (en) | 1994-10-26 |
Family
ID=31468092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987176351U Expired - Lifetime JPH0641308Y2 (en) | 1987-11-20 | 1987-11-20 | Overcurrent protection device for power supply unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0641308Y2 (en) |
-
1987
- 1987-11-20 JP JP1987176351U patent/JPH0641308Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0641308Y2 (en) | 1994-10-26 |