JPS58152757U - Fuse status detection device - Google Patents
Fuse status detection deviceInfo
- Publication number
- JPS58152757U JPS58152757U JP4924782U JP4924782U JPS58152757U JP S58152757 U JPS58152757 U JP S58152757U JP 4924782 U JP4924782 U JP 4924782U JP 4924782 U JP4924782 U JP 4924782U JP S58152757 U JPS58152757 U JP S58152757U
- Authority
- JP
- Japan
- Prior art keywords
- fuse
- power supply
- detection device
- operational amplifier
- input terminals
- 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
Landscapes
- Fuses (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のヒユーズの状態検出装置を示す電気結線
図、第２図はこの考案に係るヒユーズの状態検出装置の
一実施例を示す電気結線図である。
図において、１は負荷、２はヒユーズ、２０１は一端、
２０２は他端、３は第１の直流電源、４は継電器コイル
、４ａはメイク接点、５ａ、５ｂは出力端子、６は演算
増幅器、６０１，６０２は第１、第２の入力端子、６０
３は出力端子、７は入力抵抗、８は第２の直流電源、９
．１０は分圧抵抗、１１は帰還抵抗である。なお、各図
中同一部分は同一符号を付している。FIG. 1 is an electrical wiring diagram showing a conventional fuse state detection device, and FIG. 2 is an electrical wiring diagram showing an embodiment of the fuse state detection device according to this invention. In the figure, 1 is the load, 2 is the fuse, 201 is one end,
202 is the other end, 3 is the first DC power supply, 4 is the relay coil, 4a is the make contact, 5a, 5b are the output terminals, 6 is the operational amplifier, 601, 602 are the first and second input terminals, 60
3 is an output terminal, 7 is an input resistor, 8 is a second DC power supply, 9
．． 10 is a voltage dividing resistor, and 11 is a feedback resistor. In addition, the same parts in each figure are given the same reference numerals.
Claims (1)
路、前記ヒユーズの両端に第１、第２の入力端子が接続
された演算増幅器、前記第１、第２の入力端子の何れか
一方に前記ヒユーズを介して何れか他方に分圧抵抗を介
してそれぞれ電圧を印加する第２の電源、前記演算増幅
器の出力端子に接続された継電器コイル、および前記継
電器コイルの励磁時に閉成するメイク接点もしくは開放
するブレイク接点を備え、前記メイク接点もしくはブレ
イク接点の開閉状態によりヒユーズの状態を検出するよ
うにしたヒユーズの状態検出装置。 ２ 第１の電源は直流電源もしくは交流電源であり、第
２の電源Ｃ°よ直流電源である実用新案登録請求の範囲
第１項記載のヒユーズの状態検出装置。[Claims for Utility Model Registration] 1. A series circuit of a load connected to a first power source and a fuse, an operational amplifier having first and second input terminals connected to both ends of the fuse, and the first and second input terminals connected to the fuse. a second power source that applies a voltage to one of the two input terminals via the fuse and to the other via a voltage dividing resistor; a relay coil connected to the output terminal of the operational amplifier; and a relay coil connected to the output terminal of the operational amplifier. A fuse state detection device comprising a make contact that closes or a break contact that opens when a coil is energized, and detects the state of the fuse based on the open/closed state of the make contact or the break contact. 2. The fuse state detection device according to claim 1, wherein the first power supply is a DC power supply or an AC power supply, and the second power supply C° is a DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4924782U JPS58152757U (en) | 1982-04-02 | 1982-04-02 | Fuse status detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4924782U JPS58152757U (en) | 1982-04-02 | 1982-04-02 | Fuse status detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58152757U true JPS58152757U (en) | 1983-10-13 |
Family
ID=30060122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4924782U Pending JPS58152757U (en) | 1982-04-02 | 1982-04-02 | Fuse status detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58152757U (en) |
-
1982
- 1982-04-02 JP JP4924782U patent/JPS58152757U/en active Pending
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