JPS61181237U - - Google Patents
Info
- Publication number
- JPS61181237U JPS61181237U JP6509485U JP6509485U JPS61181237U JP S61181237 U JPS61181237 U JP S61181237U JP 6509485 U JP6509485 U JP 6509485U JP 6509485 U JP6509485 U JP 6509485U JP S61181237 U JPS61181237 U JP S61181237U
- Authority
- JP
- Japan
- Prior art keywords
- thermometer
- outside air
- cold
- hot water
- measured value
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 1
Description
図は本考案の実施例を示し、第1図はCPUに
よらない場合のブロツク図、第2図は計装図、第
3図はCNTのブロツク図、第4図はCNTの操
作パネルを示す正面図、第5図は制御状況のフロ
ーチヤート、第6図は運転時間決定のスケジユー
ルを示す図である。
11〜1n……ポンプ、21〜2n……CHW
(冷温水機)、12……CNT(制御装置)、1
6,17……温度計、21……CPU(プロセツ
サ)、22……ROM(固定メモリ)、23……
RAM(可変メモリ)、61,62……比較器、
63……ANDゲート、64……制御回路、65
……変換演算機、66……タイマー。
The figures show an embodiment of the present invention, Fig. 1 is a block diagram without using a CPU, Fig. 2 is an instrumentation diagram, Fig. 3 is a block diagram of CNT, and Fig. 4 shows an operation panel of CNT. A front view, FIG. 5 is a flowchart of the control situation, and FIG. 6 is a diagram showing the schedule for determining the operating time. 1 1 ~ 1 n ... pump, 2 1 ~ 2 n ... CHW
(Cold/hot water machine), 12...CNT (control device), 1
6, 17...Thermometer, 21...CPU (processor), 22...ROM (fixed memory), 23...
RAM (variable memory), 61, 62... comparator,
63...AND gate, 64...control circuit, 65
...conversion calculator, 66...timer.
Claims (1)
管の温度を計測する配管温度計と、前記外気温度
計の計測値が第1の設定値より低下したことを検
出する第1の検出手段と、前記配管温度計の計測
値が第2の設定値より低下したことを検出する第
2の検出手段と、前記外気温度計の計測値に応じ
て運転時間を定める変換手段と、前記第1および
第2の検出手段が同時に検出々力を生じたとき前
記変換手段により定めた運転時間中前記冷温水用
配管へ接続された冷温水ポンプを運転する制御手
段とを備えたことを特徴とする冷温水ポンプの凍
結防止運転制御装置。 an outside air thermometer that measures the outside air temperature; a pipe thermometer that measures the temperature of the cold and hot water piping; and a first detection means that detects that the measured value of the outside air thermometer has fallen below a first set value. , a second detection means for detecting that the measured value of the pipe thermometer has fallen below a second set value; a converting means for determining the operating time according to the measured value of the outside air thermometer; and a control means for operating the cold/hot water pump connected to the cold/hot water pipe during the operating time determined by the converting means when the second detecting means simultaneously generates a detected force. Freeze prevention operation control device for water pumps.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6509485U JPH029327Y2 (en) | 1985-05-02 | 1985-05-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6509485U JPH029327Y2 (en) | 1985-05-02 | 1985-05-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61181237U true JPS61181237U (en) | 1986-11-12 |
JPH029327Y2 JPH029327Y2 (en) | 1990-03-07 |
Family
ID=30596774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6509485U Expired JPH029327Y2 (en) | 1985-05-02 | 1985-05-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH029327Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009063231A (en) * | 2007-09-06 | 2009-03-26 | Yamatake Corp | Heat source control device and heat source control method |
-
1985
- 1985-05-02 JP JP6509485U patent/JPH029327Y2/ja not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009063231A (en) * | 2007-09-06 | 2009-03-26 | Yamatake Corp | Heat source control device and heat source control method |
Also Published As
Publication number | Publication date |
---|---|
JPH029327Y2 (en) | 1990-03-07 |