JPS61162767U - - Google Patents
Info
- Publication number
- JPS61162767U JPS61162767U JP4651385U JP4651385U JPS61162767U JP S61162767 U JPS61162767 U JP S61162767U JP 4651385 U JP4651385 U JP 4651385U JP 4651385 U JP4651385 U JP 4651385U JP S61162767 U JPS61162767 U JP S61162767U
- Authority
- JP
- Japan
- Prior art keywords
- detecting
- difference
- display
- value
- cold
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 230000001052 transient effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 1
Description
図は本考案の実施例を示し、第1図は機能的な
ブロツク図、第2図は計装図、第3図はSUPの
ブロツク図、第4図はSUPの操作パネルを示す
正面図、第5図は監視状況を示す図、第6図は監
視動作のフローチヤートである。
2……CHW(冷温水機)、4,6……管路、
5……LE(負荷機器)11,12……温度計、
13……SUP(監視装置)、21……CPU(
プロセツサ)22……ROM(固定メモリ)23
……RAM(可変メモリ)24〜27……I/F
(インターフエイス)61……減算器、62,6
3……比較器、64,65……微分回路、67…
…AND回路、68……表示器。
The figures show an embodiment of the present invention, in which Fig. 1 is a functional block diagram, Fig. 2 is an instrumentation diagram, Fig. 3 is a block diagram of the SUP, and Fig. 4 is a front view showing the operation panel of the SUP. FIG. 5 is a diagram showing the monitoring situation, and FIG. 6 is a flowchart of the monitoring operation. 2...CHW (cold/hot water machine), 4,6...pipe line,
5...LE (load equipment) 11, 12...Thermometer,
13...SUP (monitoring device), 21...CPU (
processor) 22...ROM (fixed memory) 23
...RAM (variable memory) 24-27...I/F
(Interface) 61...Subtractor, 62,6
3... Comparator, 64, 65... Differential circuit, 67...
...AND circuit, 68...display device.
Claims (1)
手段と、該手段による差の値が一定値以下である
ことを検出する差値検出手段と、前記冷温水機の
能力制御弁開度が所定値以上であることを検出す
る開度検出手段と、前記各検出手段の各検出々力
が同時に生じたとき性能の低下を表示する表示手
段と、前記冷温水機の過渡状態を検出し該検出々
力により少くとも前記表示手段による表示を阻止
する阻止手段とを備えたことを特徴とする冷温水
機の性能チエツク装置。 means for determining the difference between the inlet temperature and the outlet temperature of the cold/hot water machine; difference value detection means for detecting that the value of the difference by the means is below a certain value; and a capacity control valve opening degree of the cold/hot water machine. an opening detecting means for detecting that the opening is equal to or greater than a predetermined value; a display means for displaying a decrease in performance when the respective detected forces of the respective detecting means occur simultaneously; and a display means for detecting a transient state of the water cooler/heater. 1. A performance check device for a water cooler/heater, characterized in that the apparatus further comprises a blocking means for blocking at least the display by the display means by detecting force.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985046513U JPH0447569Y2 (en) | 1985-03-29 | 1985-03-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985046513U JPH0447569Y2 (en) | 1985-03-29 | 1985-03-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61162767U true JPS61162767U (en) | 1986-10-08 |
JPH0447569Y2 JPH0447569Y2 (en) | 1992-11-10 |
Family
ID=30560976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985046513U Expired JPH0447569Y2 (en) | 1985-03-29 | 1985-03-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0447569Y2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6428454A (en) * | 1987-07-24 | 1989-01-31 | Tokyo Gas Co Ltd | Diagnosing apparatus for absorption chilled machine |
JP2010014323A (en) * | 2008-07-03 | 2010-01-21 | Hitachi Ltd | Deterioration diagnosing device, deterioration diagnosing method, and deterioration diagnosing system for cold supply system |
JP2018031558A (en) * | 2016-08-26 | 2018-03-01 | 株式会社日立ビルシステム | Performance diagnostic method for absorption refrigeration machine |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5020347B2 (en) * | 2010-03-29 | 2012-09-05 | 中国電力株式会社 | Heat exchanger performance management apparatus and method |
JP5884283B2 (en) * | 2011-03-29 | 2016-03-15 | 栗田工業株式会社 | Dirty evaluation method for cooling water line in refrigeration system |
JP5900524B2 (en) * | 2014-03-06 | 2016-04-06 | 栗田工業株式会社 | Dirt evaluation method for cooling water line |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56146966A (en) * | 1980-04-15 | 1981-11-14 | Mitsubishi Heavy Ind Ltd | Operation monitoring of suction refrigerating machine |
-
1985
- 1985-03-29 JP JP1985046513U patent/JPH0447569Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56146966A (en) * | 1980-04-15 | 1981-11-14 | Mitsubishi Heavy Ind Ltd | Operation monitoring of suction refrigerating machine |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6428454A (en) * | 1987-07-24 | 1989-01-31 | Tokyo Gas Co Ltd | Diagnosing apparatus for absorption chilled machine |
JP2010014323A (en) * | 2008-07-03 | 2010-01-21 | Hitachi Ltd | Deterioration diagnosing device, deterioration diagnosing method, and deterioration diagnosing system for cold supply system |
JP2018031558A (en) * | 2016-08-26 | 2018-03-01 | 株式会社日立ビルシステム | Performance diagnostic method for absorption refrigeration machine |
Also Published As
Publication number | Publication date |
---|---|
JPH0447569Y2 (en) | 1992-11-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR850008208A (en) | Operation method and control system for refrigeration system | |
JPS61162767U (en) | ||
KR850004326A (en) | Cooling flow control device and method of refrigeration system | |
JPS6091903U (en) | steam boiler equipment | |
JPS61162766U (en) | ||
JPS61162735U (en) | ||
JPS61181237U (en) | ||
JPS61162764U (en) | ||
KR0175347B1 (en) | Refrigerant leakage diagnos device of airconditioner | |
JPS6266065A (en) | Liquid-return preventive method of refrigerator | |
JPH02134467U (en) | ||
JPS58107497U (en) | Heat exchanger contamination detection device | |
JPS61162770U (en) | ||
JPS6378871U (en) | ||
JPS6337980U (en) | ||
JPH0291498U (en) | ||
JP2601829Y2 (en) | Overheat alarm for automobile | |
JPS6266074A (en) | Method of detecting quantity of refrigerant sealed of refrigeration cycle | |
JPH0343815Y2 (en) | ||
JPH0791783A (en) | Trouble diagnosing system for absorption chilled and warm water machine | |
JPS63129163U (en) | ||
JPS62127472U (en) | ||
JPH0450353U (en) | ||
JPS62167014U (en) | ||
JPS626666U (en) |