JPS59126393U - Broken fuse detection circuit for alarm bell wire, etc. - Google Patents
Broken fuse detection circuit for alarm bell wire, etc.Info
- Publication number
- JPS59126393U JPS59126393U JP1953883U JP1953883U JPS59126393U JP S59126393 U JPS59126393 U JP S59126393U JP 1953883 U JP1953883 U JP 1953883U JP 1953883 U JP1953883 U JP 1953883U JP S59126393 U JPS59126393 U JP S59126393U
- Authority
- JP
- Japan
- Prior art keywords
- fuse
- detection circuit
- circuit
- power supply
- alarm bell
- 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
- Alarm Systems (AREA)
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例を示す回路図、第２図は本考
案の他の実施例を示す回路図である。
図において、１・・・ヒユーズ、２・・・スイッチ、３
・・・フサ−１Ｒ１〜Ｒ６・・・抵抗、Ｑ１〜Ｑ３・・
・トランジスタ、Ｂ・・・警報ベル線。FIG. 1 is a circuit diagram showing one embodiment of the present invention, and FIG. 2 is a circuit diagram showing another embodiment of the present invention. In the figure, 1...Fuse, 2...Switch, 3
...Fuser-1R1-R6...Resistance, Q1-Q3...
・Transistor, B...Alarm bell wire.
Claims (3)
チを通して警報ベル線等にベル鳴動用等の電力を供給す
る回路において、前記電源の正負間に接続され前記ヒユ
ーズの一端の無電圧を検出する無電圧検出回路と、該無
電圧検出回路の出力によってオンするスイッチング素子
とを備えて、該スイッチング素子とブザーまたは表示灯
との直列接続回路を前記電源の正負間に接続したことを
特徴とする警報ベル線等のヒユーズ断検出回路。(1) In a circuit that supplies power for bell ringing, etc. from a power supply through a fuse and a switch that is turned on at the time of an alarm, to an alarm bell wire, etc., a non-voltage connected between the positive and negative of the power supply and detecting no voltage at one end of the fuse. An alarm bell comprising a detection circuit and a switching element that is turned on by the output of the no-voltage detection circuit, and a series connection circuit of the switching element and a buzzer or indicator light is connected between the positive and negative sides of the power source. Fuse rupture detection circuit for wires, etc.
等のヒユーズ断検出回路において、前記無電圧検出回路
は、電源正負間に接続された抵抗とトランジスタの直列
接続回路で構成され、該トランジスタのベースを無電圧
検出入力端子としコレクタを出力端子としたことを特徴
とするもの。(2) Utility Model Registration Scope of Claims In the circuit for detecting a blown fuse for a signal bell line, etc., as set forth in claim 1, the no-voltage detection circuit is constituted by a series connection circuit of a resistor and a transistor connected between the positive and negative sides of the power supply. , wherein the base of the transistor is used as a no-voltage detection input terminal, and the collector is used as an output terminal.
等のヒユーズ断検出回路において、前記無電圧検出回路
は、前記ヒユーズに並列に接続された第１の抵抗部と該
第１の抵抗部と電源負側間に接続された第２の抵抗部に
よって構成されたことを特徴とするもの。(3) Utility Model Registration In the circuit for detecting a blown fuse such as an alarm bell wire as set forth in claim 1, the no-voltage detection circuit includes a first resistance section connected in parallel to the fuse, and a first resistance section connected in parallel to the fuse. The device is characterized by comprising a second resistor section connected between the resistor section and the negative side of the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1953883U JPS59126393U (en) | 1983-02-15 | 1983-02-15 | Broken fuse detection circuit for alarm bell wire, etc. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1953883U JPS59126393U (en) | 1983-02-15 | 1983-02-15 | Broken fuse detection circuit for alarm bell wire, etc. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59126393U true JPS59126393U (en) | 1984-08-25 |
Family
ID=30150682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1953883U Pending JPS59126393U (en) | 1983-02-15 | 1983-02-15 | Broken fuse detection circuit for alarm bell wire, etc. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59126393U (en) |
-
1983
- 1983-02-15 JP JP1953883U patent/JPS59126393U/en active Pending
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