JPH0198462U - - Google Patents
Info
- Publication number
- JPH0198462U JPH0198462U JP19527187U JP19527187U JPH0198462U JP H0198462 U JPH0198462 U JP H0198462U JP 19527187 U JP19527187 U JP 19527187U JP 19527187 U JP19527187 U JP 19527187U JP H0198462 U JPH0198462 U JP H0198462U
- Authority
- JP
- Japan
- Prior art keywords
- fuse
- alarm contact
- rated capacity
- hereinafter referred
- current flowing
- 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
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Keying Circuit Devices (AREA)
- Fuses (AREA)
Description
第１図はこの考案の実施例を示し、電源分配装
置の回路図とこれに接続した寿命監視回路図、第
２図は従来の電源分配装置の回路図である。
１ａ，１ａ′，１ｂ，１ｂ′：被監視用警報接
点付ヒユーズ（Ａヒユーズ）、３１，３２……３
ｎ：電源回路負荷、４：寿命監視回路、５ａ，５
ａ′，５ｂ，５ｂ′：監視用警報接点付ヒユーズ
（Ｂヒユーズ）、６：監視回路負荷、Ｒ−Ｔ：電
源。
FIG. 1 shows an embodiment of this invention, and is a circuit diagram of a power distribution device and a life monitoring circuit connected thereto, and FIG. 2 is a circuit diagram of a conventional power distribution device. 1a, 1a', 1b, 1b': Fuse with alarm contact for monitored (A fuse), 3 1 , 3 2 ... 3
n : Power supply circuit load, 4: Life monitoring circuit, 5a, 5
a', 5b, 5b': Fuse with monitoring alarm contact (B fuse), 6: Monitoring circuit load, R-T: Power supply.
Claims (1)
Ａヒユーズと称する）と並列に同一寿命特性曲線
をもち、かつヒユーズ定格容量がＡヒユーズより
小さい監視用警報接点付ヒユーズ（以下Ｂヒユー
ズと称する）を設けて負荷に接続し、このＢヒユ
ーズに流れる電流の定格容量に対する比率が、Ａ
ヒユーズに流れる電流の定格容量に対する比率よ
りも高くなるように前記負荷を設定し、Ｂヒユー
ズの警報接点で外部に通報するように構成したこ
とを特徴とする警報接点付ヒユーズの寿命監視回
路。 A fuse with a monitoring alarm contact (hereinafter referred to as B fuse) that has the same life characteristic curve as the monitored fuse with alarm contact in the power supply circuit (hereinafter referred to as A fuse) and whose rated capacity is smaller than that of A fuse. The ratio of the current flowing through this B fuse to the rated capacity is A
A fuse life monitoring circuit with an alarm contact, characterized in that the load is set so as to be higher than the ratio of the current flowing through the fuse to the rated capacity, and the alarm contact of the B fuse is configured to notify the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19527187U JPH0198462U (en) | 1987-12-22 | 1987-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19527187U JPH0198462U (en) | 1987-12-22 | 1987-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0198462U true JPH0198462U (en) | 1989-06-30 |
Family
ID=31485956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19527187U Pending JPH0198462U (en) | 1987-12-22 | 1987-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0198462U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57827A (en) * | 1980-05-30 | 1982-01-05 | Mitsubishi Electric Corp | Fuse deterioration detecting fuse |
-
1987
- 1987-12-22 JP JP19527187U patent/JPH0198462U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57827A (en) * | 1980-05-30 | 1982-01-05 | Mitsubishi Electric Corp | Fuse deterioration detecting fuse |