JPS61182127U - - Google Patents
Info
- Publication number
- JPS61182127U JPS61182127U JP6591585U JP6591585U JPS61182127U JP S61182127 U JPS61182127 U JP S61182127U JP 6591585 U JP6591585 U JP 6591585U JP 6591585 U JP6591585 U JP 6591585U JP S61182127 U JPS61182127 U JP S61182127U
- Authority
- JP
- Japan
- Prior art keywords
- output
- detection circuit
- power supply
- switching element
- circuit
- 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
- 238000001514 detection method Methods 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案による直流三線式近接スイツチ
の一実施例の概要を示すブロツク図、第２図はそ
の詳細な構成を示す回路図、第３図は負荷短絡状
態における各部の波形を示す波形図である。
１，２，２４……端子、５，８，Ｑ１，Ｑ２…
…トランジスタ、１０……検知回路、１４，２０
……発光ダイオード、Ｃ１１，Ｃ１６，Ｃ１７…
…コンデンサ、１７……電源リセツト回路、６，
１２……抵抗、２３……サイリスタ。
Fig. 1 is a block diagram showing an overview of an embodiment of the DC three-wire proximity switch according to the present invention, Fig. 2 is a circuit diagram showing its detailed configuration, and Fig. 3 is a waveform showing waveforms of various parts in a load short-circuit state. It is a diagram. 1, 2, 24... terminal, 5, 8, Q1, Q2...
...Transistor, 10...Detection circuit, 14,20
...Light emitting diode, C11, C16, C17...
...Capacitor, 17...Power reset circuit, 6,
12...Resistor, 23...Thyristor.
補正 昭６０．６．１７
図面の簡単な説明を次のように補正する。
明細書第１１頁第１９行の「Ｑ１，Ｑ２……」
の記載を「Ｑ０，Ｑ１，Ｑ２……」と訂正します
。Amendment June 17, 1980 The brief description of the drawing is amended as follows. "Q1, Q2..." on page 11, line 19 of the specification
The description will be corrected to "Q0, Q1, Q2...".
Claims (1)
負荷への電力供給を制御する出力開閉用スイツチ
ング素子と、を有する検出スイツチにおいて、 前記出力開閉用スイツチング素子に直列に接続
された過電流検知回路と、 前記過電流検知回路の検知出力により駆動され
、出力開閉用スイツチング素子を遮断する自己保
持型スイツチング素子と、 リセツト用コンデンサが接続され検知回路への
供給電圧の低下により検知回路出力を所定の電源
リセツト時間禁止する電源リセツト回路と、 前記検知回路の電源の両端に接続され前記検知
回路への電源供給時に点灯すると共に、短絡検知
時に前記リセツト用コンデンサの放電時間と電源
リセツト時間に基づく周期によつて点滅して短絡
状態を報知する表示器と、を具備することを特徴
とする検出スイツチ。 (2) 前記表示器は発光ダイオードであることを
特徴とする実用新案登録請求の範囲第１項記載の
検出スイツチ。[Claims for Utility Model Registration] (1) A detection switch comprising a detection circuit and an output switching element that controls power supply to a load based on the output of the detection circuit, wherein the output switching element an overcurrent detection circuit connected in series with the overcurrent detection circuit, a self-holding switching element that is driven by the detection output of the overcurrent detection circuit and shuts off the switching element for switching the output, and a reset capacitor connected to supply the output to the detection circuit. a power supply reset circuit that inhibits the output of the detection circuit for a predetermined power supply reset time due to a voltage drop; 1. A detection switch comprising: an indicator that blinks at a cycle based on a discharge time and a power supply reset time to notify a short circuit state. (2) The detection switch according to claim 1, wherein the indicator is a light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6591585U JPH0416506Y2 (en) | 1985-05-02 | 1985-05-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6591585U JPH0416506Y2 (en) | 1985-05-02 | 1985-05-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61182127U true JPS61182127U (en) | 1986-11-13 |
| JPH0416506Y2 JPH0416506Y2 (en) | 1992-04-14 |
Family
ID=30598329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6591585U Expired JPH0416506Y2 (en) | 1985-05-02 | 1985-05-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0416506Y2 (en) |
-
1985
- 1985-05-02 JP JP6591585U patent/JPH0416506Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0416506Y2 (en) | 1992-04-14 |