JPH0361725U - - Google Patents
Info
- Publication number
- JPH0361725U JPH0361725U JP12255089U JP12255089U JPH0361725U JP H0361725 U JPH0361725 U JP H0361725U JP 12255089 U JP12255089 U JP 12255089U JP 12255089 U JP12255089 U JP 12255089U JP H0361725 U JPH0361725 U JP H0361725U
- Authority
- JP
- Japan
- Prior art keywords
- point
- hysteresis
- setting
- determining
- electronic switch
- 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
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Manipulation Of Pulses (AREA)
- Electronic Switches (AREA)
Description
第１図は、この考案の一実施例を示す圧力スイ
ツチのブロツク図、第２図は、同圧力スイツチの
マイコンに内蔵のメモリに記憶されるＯＮ点設定
値−応差の特性を示す図、第３図、同圧力スイツ
チのマイコンにより応差を求めるためのＯＮ点設
定値−応差の特性を示す図、第４図は、同マイコ
ンによりソフト的に応差、ＯＦＦ点を求める動作
を説明するためのフロー図、第５図は、この考案
の他の実施例を示す圧力スイツチの応差設定回路
を示す回路図、第６図は、従来の圧力スイツチを
示す回路図、第７図ａは、応差がない場合の印加
圧力−出力特性、第７図ｂは応差がある場合の印
加圧力−出力特性を示す図、第８図ａは応差がな
い場合における印加圧力変動と出力との関係を示
す図、第８図ｂは、応差がある場合の印加圧力の
変動と出力との関係を示す図である。
１……圧力センサ主回路、２……ＯＮ点設定器
、３……マイコン、６……出力トランジスタ、Ａ
……アンプ、Ｒ１，Ｒ２……抵抗。
FIG. 1 is a block diagram of a pressure switch showing an embodiment of this invention, FIG. Figure 3 is a diagram showing the ON point set value-hysteresis characteristics for determining hysteresis using the microcomputer of the same pressure switch, and Figure 4 is a flowchart to explain the operation for determining hysteresis and OFF point using software using the same microcomputer. 5 is a circuit diagram showing a hysteresis setting circuit of a pressure switch showing another embodiment of this invention, FIG. 6 is a circuit diagram showing a conventional pressure switch, and FIG. Figure 7b is a diagram showing the applied pressure-output characteristic when there is hysteresis, Figure 8a is a diagram showing the relationship between applied pressure variation and output when there is no hysteresis, FIG. 8b is a diagram showing the relationship between fluctuations in applied pressure and output when there is hysteresis. 1... Pressure sensor main circuit, 2... ON point setter, 3... Microcomputer, 6... Output transistor, A
...Amplifier, R1 , R2 ...Resistance.
Claims (1)
された物理量が前記ＯＮ点を越えるとＯＮ信号を
出力する電子式スイツチにおいて、 前記ＯＮ点設定手段により設定されたＯＮ点に
応じて応差を決定する応差決定手段と、決定され
た応差と前記ＯＮ点とによりＯＦＦ点を設定する
ＯＦＦ点設定手段とを備えたことを特徴とする電
子式スイツチ。[Claims for Utility Model Registration] An electronic switch that is equipped with ON point setting means for setting an ON point and outputs an ON signal when a detected physical quantity exceeds the ON point, An electronic switch comprising: hysteresis determining means for determining a hysteresis according to an ON point; and OFF point setting means for setting an OFF point based on the determined hysteresis and the ON point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989122550U JP2558894Y2 (en) | 1989-10-19 | 1989-10-19 | Electronic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989122550U JP2558894Y2 (en) | 1989-10-19 | 1989-10-19 | Electronic switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0361725U true JPH0361725U (en) | 1991-06-17 |
| JP2558894Y2 JP2558894Y2 (en) | 1998-01-14 |
Family
ID=31670546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989122550U Expired - Lifetime JP2558894Y2 (en) | 1989-10-19 | 1989-10-19 | Electronic switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2558894Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59148910A (en) * | 1983-02-15 | 1984-08-25 | Sumitomo Electric Ind Ltd | Upstream water level control method of flexible membrane undulating weir |
-
1989
- 1989-10-19 JP JP1989122550U patent/JP2558894Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59148910A (en) * | 1983-02-15 | 1984-08-25 | Sumitomo Electric Ind Ltd | Upstream water level control method of flexible membrane undulating weir |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2558894Y2 (en) | 1998-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0361725U (en) | ||
| JPS6430416U (en) | ||
| JPS6276656U (en) | ||
| JPH026317U (en) | ||
| JPH0288317U (en) | ||
| JPH0372335U (en) | ||
| JPH0359473U (en) | ||
| JPS5927614U (en) | volume adjustment circuit | |
| JPS62129820U (en) | ||
| JPH0339129U (en) | ||
| JPS62133142U (en) | ||
| JPH01113411U (en) | ||
| JPS61102281U (en) | ||
| JPS5982844U (en) | Humidity detection control circuit | |
| JPH0286217U (en) | ||
| JPS6244252U (en) | ||
| JPS60145726U (en) | Control device | |
| JPS6137626U (en) | variable resistance circuit | |
| JPS63102331U (en) | ||
| JPH02143826U (en) | ||
| JPH022337U (en) | ||
| JPS6013414U (en) | Analog quantity measurement circuit | |
| JPH0314818U (en) | ||
| JPH0319641U (en) | ||
| JPH0288329U (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |