JPH0181548U - - Google Patents
Info
- Publication number
- JPH0181548U JPH0181548U JP1987177334U JP17733487U JPH0181548U JP H0181548 U JPH0181548 U JP H0181548U JP 1987177334 U JP1987177334 U JP 1987177334U JP 17733487 U JP17733487 U JP 17733487U JP H0181548 U JPH0181548 U JP H0181548U
- Authority
- JP
- Japan
- Prior art keywords
- pressure switch
- pressure
- variable resistor
- amplifier
- sensor
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図はこの考案における圧力スイツチの検出
圧設定装置の一実施例を示す要部の回路図、第２
図は圧力スイツチの平面図、第３図はこの考案の
他の実施例を示す要部の回路図、第４図は一般の
圧力スイツチを構成する各部とその出力を示すブ
ロツク構成図、第５図は従来装置の要部の回路図
、第６図は従来の圧力スイツチの平面図である。
１……センサ、２……増幅器、３……比較器、
４……出力回路、１１……第１の可変抵抗器、１
２……第２の可変抵抗器、１３……圧力スイツチ
、１４……ハウジング、１５……摺動子、１６…
…ロータリースイツチ。
Figure 1 is a circuit diagram of the main parts showing one embodiment of the pressure switch detection pressure setting device in this invention;
Figure 3 is a plan view of the pressure switch, Figure 3 is a circuit diagram of the main parts showing another embodiment of this invention, Figure 4 is a block configuration diagram showing each part constituting a general pressure switch and its output, and Figure 5. The figure is a circuit diagram of the main parts of the conventional device, and FIG. 6 is a plan view of the conventional pressure switch. 1...Sensor, 2...Amplifier, 3...Comparator,
4... Output circuit, 11... First variable resistor, 1
2... Second variable resistor, 13... Pressure switch, 14... Housing, 15... Slider, 16...
...Rotary switch.
Claims (1)
センサからの信号を増幅する増幅器２と、この増
幅器によつて増幅された電圧と設定電圧とを比較
し、かつ出力する比較器３とを有する圧力スイツ
チにおいて、上記設定電圧を粗調整用の第１の可
変抵抗器１１と微調整用の第２の可変抵抗器１２
により設定するようにした圧力スイツチの検出圧
設定装置。 It has a sensor 1 that detects the pressure of the substance to be measured, an amplifier 2 that amplifies the signal from this sensor, and a comparator 3 that compares the voltage amplified by this amplifier with a set voltage and outputs the same. The pressure switch includes a first variable resistor 11 for coarse adjustment and a second variable resistor 12 for fine adjustment of the set voltage.
A detection pressure setting device for a pressure switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177334U JPH0181548U (en) | 1987-11-20 | 1987-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177334U JPH0181548U (en) | 1987-11-20 | 1987-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0181548U true JPH0181548U (en) | 1989-05-31 |
Family
ID=31469002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987177334U Pending JPH0181548U (en) | 1987-11-20 | 1987-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0181548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002022580A (en) * | 2000-07-03 | 2002-01-23 | Ckd Corp | Pressure switch |
-
1987
- 1987-11-20 JP JP1987177334U patent/JPH0181548U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002022580A (en) * | 2000-07-03 | 2002-01-23 | Ckd Corp | Pressure switch |
| JP4573403B2 (en) * | 2000-07-03 | 2010-11-04 | シーケーディ株式会社 | pressure switch |