JPH0450932U - - Google Patents
Info
- Publication number
- JPH0450932U JPH0450932U JP9173990U JP9173990U JPH0450932U JP H0450932 U JPH0450932 U JP H0450932U JP 9173990 U JP9173990 U JP 9173990U JP 9173990 U JP9173990 U JP 9173990U JP H0450932 U JPH0450932 U JP H0450932U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output circuit
- output
- npn
- another switching
- 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 9
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electronic Switches (AREA)
Description
第１図はこの考案の実施例である検出スイツチ
の出力装置の使用状態を示す回路図である。第２
図および第３図は従来の検出スイツチの出力装置
の使用状態を示す回路図である。
１……ＩＣ、２……検出センサ回路、３……Ｎ
ＰＮ出力回路、４……ＰＮＰ出力回路（別のスイ
ツチング出力回路）、１１……リミツタ回路、１
２……スイツチング回路、５……負荷装置。
FIG. 1 is a circuit diagram showing the state of use of an output device of a detection switch according to an embodiment of this invention. Second
3 and 3 are circuit diagrams showing how the output device of a conventional detection switch is used. 1...IC, 2...detection sensor circuit, 3...N
PN output circuit, 4... PNP output circuit (another switching output circuit), 11... Limiter circuit, 1
2...Switching circuit, 5...Load device.
Claims (1)
る検出センサ回路と、前記検出信号が入力される
短絡保護機能を有するＮＰＮ出力回路およびこの
ＮＰＮ出力回路に連動してオン／オフする別のス
イツチング出力回路と、を一体にしたＩＣを含み
、ＮＰＮ出力回路または別のスイツチング出力回
路の出力に応じて負荷装置の電流路を開閉する検
出スイツチの出力装置において、 負荷装置とＮＰＮ出力回路との間に接続され、
負荷装置に規定値を越える電流が流れた際に規定
値との差分の電流をＮＰＮ出力回路に導くリミツ
タ回路と、別のスイツチング出力回路の出力の有
無に基づいてリミツタ回路をオン／オフするスイ
ツチング回路と、 を設けたことを特徴とする検出スイツチの出力装
置。 (2) 前記別のスイツチング出力回路が、ＰＮＰ
出力回路である請求項(1)記載の検出スイツチの
出力装置。[Scope of Claim for Utility Model Registration] (1) A detection sensor circuit that outputs a detection signal depending on the presence or absence of an object to be detected, an NPN output circuit having a short circuit protection function to which the detection signal is input, and this NPN output circuit. In the output device of a detection switch, which includes an IC integrated with another switching output circuit that turns on and off in conjunction, and opens and closes a current path of a load device according to the output of an NPN output circuit or another switching output circuit. , connected between the load device and the NPN output circuit,
A limiter circuit that directs the current difference from the specified value to the NPN output circuit when a current exceeding the specified value flows through the load device, and a switching device that turns on/off the limiter circuit based on the presence or absence of output from another switching output circuit. An output device for a detection switch, comprising a circuit. (2) The another switching output circuit is a PNP
The output device for a detection switch according to claim (1), which is an output circuit.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9173990U JP2525285Y2 (en) | 1990-08-31 | 1990-08-31 | Output device of detection switch |
| US07/720,668 US5283474A (en) | 1990-06-27 | 1991-06-25 | Circuit for driving a load by using selectively one of two different DC power sources |
| EP19910305777 EP0468642B1 (en) | 1990-06-27 | 1991-06-26 | Detection switch circuit |
| DE69128002T DE69128002T2 (en) | 1990-06-27 | 1991-06-26 | Detector circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9173990U JP2525285Y2 (en) | 1990-08-31 | 1990-08-31 | Output device of detection switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0450932U true JPH0450932U (en) | 1992-04-28 |
| JP2525285Y2 JP2525285Y2 (en) | 1997-02-05 |
Family
ID=31827634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9173990U Expired - Lifetime JP2525285Y2 (en) | 1990-06-27 | 1990-08-31 | Output device of detection switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2525285Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116996059A (en) * | 2023-09-27 | 2023-11-03 | 深圳市博亿精科科技有限公司 | NPN output circuit with protection function and sensor |
-
1990
- 1990-08-31 JP JP9173990U patent/JP2525285Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116996059A (en) * | 2023-09-27 | 2023-11-03 | 深圳市博亿精科科技有限公司 | NPN output circuit with protection function and sensor |
| CN116996059B (en) * | 2023-09-27 | 2024-01-16 | 深圳市博亿精科科技有限公司 | NPN output circuit with protection function and sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2525285Y2 (en) | 1997-02-05 |
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