JPS58174237U - Liquid shortage detection device - Google Patents
Liquid shortage detection deviceInfo
- Publication number
- JPS58174237U JPS58174237U JP7195582U JP7195582U JPS58174237U JP S58174237 U JPS58174237 U JP S58174237U JP 7195582 U JP7195582 U JP 7195582U JP 7195582 U JP7195582 U JP 7195582U JP S58174237 U JPS58174237 U JP S58174237U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- liquid shortage
- state change
- fluid
- liquid
- 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
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Physical Or Chemical Processes And Apparatus (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図は流体の有無信号を用いて液切れを検出するシス
テムの一例を示す構成図、第２図、第３図は従来の液切
れ検出装置を示す構成図、第４図はディジタル信号のタ
イムチャート図、第５図はプロセス信号取込処理手順図
、第６図は本考案の実施例の構成図である。
１・・・・・・流体、２．４・・・・・・缶、３・・・
・・・バルブ、５・・・・・・ポンプ、６・・・・・・
流量測定器、７・・・・・・液切れ検出装置、７１・・
・・・・プロセス状態変化検出装置、７２・・・・・・
プロセス信号取込装置、７３・・・・・・状態変化検出
装置、７４・・・・・・状態変化比較装置。Figure 1 is a block diagram showing an example of a system that detects liquid shortage using a fluid presence/absence signal. Figures 2 and 3 are block diagrams showing a conventional liquid shortage detection device. FIG. 5 is a time chart diagram, FIG. 5 is a process signal acquisition processing procedure diagram, and FIG. 6 is a configuration diagram of an embodiment of the present invention. 1...Fluid, 2.4...Can, 3...
...Valve, 5...Pump, 6...
Flow rate measuring device, 7... Liquid shortage detection device, 71...
...Process state change detection device, 72...
Process signal acquisition device, 73... State change detection device, 74... State change comparison device.
Claims (1)
の流出終了を検出する液切れ検出装置において、前記流
体の流出終了信号をプロセス状態変化検出装置、プロセ
ス信号取込装置および状態変化装置により検出し、前記
状態変化比較装置により前記プロセス状態変化検出装置
および前記プロセス信号取込装置で検出した信号を比較
し、共に、液切れを示した場合にのみ液切れを検出する
ことを特徴とする液切れ検出装置。In a liquid outage detection device that detects the end of outflow when the fluid is outflowed from the bottom of a can housing the fluid, a process state change detection device, a process signal acquisition device, and a state change device detect the end of outflow of the fluid. and the state change comparison device compares the signals detected by the process state change detection device and the process signal acquisition device, and detects liquid shortage only when both indicate liquid shortage. Liquid shortage detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7195582U JPS58174237U (en) | 1982-05-19 | 1982-05-19 | Liquid shortage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7195582U JPS58174237U (en) | 1982-05-19 | 1982-05-19 | Liquid shortage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58174237U true JPS58174237U (en) | 1983-11-21 |
Family
ID=30081543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7195582U Pending JPS58174237U (en) | 1982-05-19 | 1982-05-19 | Liquid shortage detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58174237U (en) |
-
1982
- 1982-05-19 JP JP7195582U patent/JPS58174237U/en active Pending
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