JPH0356089U - - Google Patents

Info

Publication number
JPH0356089U
JPH0356089U JP1990089228U JP8922890U JPH0356089U JP H0356089 U JPH0356089 U JP H0356089U JP 1990089228 U JP1990089228 U JP 1990089228U JP 8922890 U JP8922890 U JP 8922890U JP H0356089 U JPH0356089 U JP H0356089U
Authority
JP
Japan
Prior art keywords
temperature
external air
signal
output signal
input
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
Application number
JP1990089228U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPH0356089U publication Critical patent/JPH0356089U/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
    • F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F28F27/003—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus specially adapted for cooling towers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/11—Cooling towers

Description

【図面の簡単な説明】
第１図は冷却塔および本考案によつて使用され
る制御論理モジユールの概略構成図、第２図は第
１図の制御論理モジユールを構成する湿気比論理
モジユール、含有エネルギ（エンタルピー）論理
モジユールおよび他の関数ブロツクの概略構成図
、第３図は第２図の湿気比論理モジユールを構成
する関数ブロツクの概略構成図、第４図は外部空
気の温度に関する水の蒸発圧力Ｐｓとの関係を例
示する曲線図、第５図は第２図の含有エネルギ（
エンタルピー）論理モジユールを構成する関数ブ
ロツクの概略構成図、第６図は外部空気の湿球温
度と含有エネルギ（エンタルピー）との関係を例
示する曲線図である。 １０……冷却塔、１２……フアン、１４……制
御論理モジユール、２０……湿気比論理モジユー
ル、２２……含有エネルギ（エンタルピー）論理
モジユール、３０，６０，６８……関数発生器、
３２，３４，３８，５０，５２，５６……乗算関
数ブロツク、３６……減算関数ブロツク、４０…
…除算関数ブロツク、５４，５８，６２，６６…
…加算関数ブロツク。

Claims (1)

  1. 【実用新案登録請求の範囲】 外部空気の温度Ｔを測定するための装置と、 外部空気の相対湿度ＲＨを測定するための装置
    と、 冷却塔内の水の温度ＴＣＴを測定するための装
    置と、 前記外部空気温度Ｔ並びに前記外部空気相対湿
    度ＲＨが入力信号として入力され、かつ前記外部
    空気温度Ｔに関する水の蒸発圧力を表わす信号Ｐ
    ｓ及び前記外部空気相対湿度ＲＨにある係数を掛
    算した信号φを発生し、これら信号から外部空気
    の湿気比を表わす出力信号Ｗを発生するように構
    成された第１の関数ブロツク３０〜４０を含む湿
    気比論理モジユール２０と、 前記外部空気温度Ｔ並びに前記湿気比論理モジ
    ユール２０の前記出力信号Ｗが入力信号として入
    力され、かつ湿つた空気の含有エネルギ（エンタ
    ルピー）を表わす信号ｈを発生し、この信号から
    湿つた外部空気の湿球温度を表わす出力信号Ｔｗ
    ｂを発生するように構成された第２の関数ブロツ
    ク５０〜６０を含む含有エネルギ（エンタルピー
    ）論理モジユール２２と、 前記湿球温度信号Ｔｗｂ並びに予め設定された
    一定の温度係数Ａが入力信号として入力され、前
    記湿球温度よりこの温度係数だけ高いかつ当該シ
    ステムに対する最適設定点を表わす出力信号を発
    生する湿球温度調整手段６２と、 予め設定された監視基準温度ＴＲＥＦを確立す
    るための手段と、 前記湿球温度調整手段６２からの前記出力信号
    と前記予め設定された監視基準温度ＴＲＥＦとを
    比較し、それらのうちの大きい方を前記冷却塔の
    水温ＴＣＴと比較し、それらの差に応答して出力
    信号を発生するための比較装置６４，６６と、 前記差に応答した出力信号に応答してフアン速
    度に対する制御信号として働く出力信号を発生す
    るための関数発生器６８ とを具備することを特徴とする冷却塔内の水温制
    御システム。
JP1990089228U 1983-01-31 1990-08-28 Pending JPH0356089U (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/462,599 US4474027A (en) 1983-01-31 1983-01-31 Optimum control of cooling tower water temperature by function blocks

Publications (1)

Publication Number Publication Date
JPH0356089U true JPH0356089U (ja) 1991-05-29

Family

ID=23837025

Family Applications (2)

Application Number Title Priority Date Filing Date
JP59013543A Pending JPS59145499A (ja) 1983-01-31 1984-01-30 関数ブロツクによる冷却塔水温の最適制御
JP1990089228U Pending JPH0356089U (ja) 1983-01-31 1990-08-28

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP59013543A Pending JPS59145499A (ja) 1983-01-31 1984-01-30 関数ブロツクによる冷却塔水温の最適制御

Country Status (13)

Country Link
US (1) US4474027A (ja)
EP (1) EP0115377B1 (ja)
JP (2) JPS59145499A (ja)
KR (1) KR870000986B1 (ja)
AR (1) AR241724A1 (ja)
AU (1) AU557328B2 (ja)
BR (1) BR8400272A (ja)
CA (1) CA1215156A (ja)
DE (1) DE3470097D1 (ja)
ES (1) ES8501522A1 (ja)
HK (1) HK86288A (ja)
IN (1) IN161796B (ja)
MX (1) MX159476A (ja)

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EP1201180A2 (en) 2000-10-25 2002-05-02 Orange House Co., Ltd. Dentition image reading apparatus

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JPS59157495A (ja) * 1983-02-24 1984-09-06 Ishikawajima Harima Heavy Ind Co Ltd 冷水塔の電動機の給電制御方法
US4507930A (en) * 1984-03-23 1985-04-02 The Babcock & Wilcox Company Cooling tower monitor
US4704805A (en) * 1986-10-20 1987-11-10 The Babcock & Wilcox Company Supervisory control system for continuous drying
JPH06100392B2 (ja) * 1987-04-07 1994-12-12 株式会社荏原製作所 ヒーティングタワーの運転方法
JP2701812B2 (ja) * 1995-10-30 1998-01-21 石川島播磨重工業株式会社 冷水塔の冷却ファン液圧駆動制御装置
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US6257007B1 (en) 1998-11-19 2001-07-10 Thomas Hartman Method of control of cooling system condenser fans and cooling tower fans and pumps
US6352106B1 (en) 1999-05-07 2002-03-05 Thomas B. Hartman High-efficiency pumping and distribution system incorporating a self-balancing, modulating control valve
US6560980B2 (en) 2000-04-10 2003-05-13 Thermo King Corporation Method and apparatus for controlling evaporator and condenser fans in a refrigeration system
US6718779B1 (en) 2001-12-11 2004-04-13 William R. Henry Method to optimize chiller plant operation
CN1847766A (zh) * 2005-02-11 2006-10-18 林德股份公司 通过与冷却液体直接热交换而冷却气体的方法和装置
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CN100504269C (zh) * 2007-04-27 2009-06-24 陈永胜 冷却塔的冷却控制方法及采用该方法的冷却塔
US7614613B2 (en) * 2007-05-04 2009-11-10 Equistar Chemicals, Lp Method of operating a cooling fluid system
US8411439B1 (en) 2007-09-28 2013-04-02 Exaflop Llc Cooling diversity in data centers
CN100467990C (zh) * 2007-09-29 2009-03-11 王志成 具有变水压调风量水力通风装置的节能冷却塔
US8553416B1 (en) * 2007-12-21 2013-10-08 Exaflop Llc Electronic device cooling system with storage
PL2276990T3 (pl) * 2008-03-24 2020-08-10 Prime Datum, Inc. Zintegrowany układ napędowy wentylatora wymiennika ciepła chłodzonego powietrzem (ache)
AU2013201697B2 (en) * 2008-03-24 2016-12-08 Prime Datum, Inc. Integrated Fan Drive System For Air-Cooled Heat Exchanger (ACHE)
US8974274B2 (en) 2010-04-16 2015-03-10 Google Inc. Evaporative induction cooling
US8473080B2 (en) * 2010-05-10 2013-06-25 Johnson Controls Technology Company Control of cooling towers for chilled fluid systems
US8412357B2 (en) 2010-05-10 2013-04-02 Johnson Controls Technology Company Process control systems and methods having learning features
CN103140420B (zh) 2010-09-29 2015-06-24 瓦锡兰芬兰有限公司 用于密封船舶的螺旋桨轴的装置、密封组件、壳凸缘和间隔件
JP6090904B2 (ja) * 2012-02-29 2017-03-08 三菱重工業株式会社 冷却塔制御装置、冷却塔制御方法、及び熱源システム
US9278303B1 (en) 2012-05-29 2016-03-08 Google Inc. Managing data center airflow
US9313929B1 (en) 2012-05-29 2016-04-12 Google Inc. Managing data center airflow
US9278142B1 (en) * 2012-09-18 2016-03-08 Amazon Technologies, Inc. Optimum condenser water temperature for water cooled chiller
JP5984703B2 (ja) 2013-01-31 2016-09-06 三菱重工業株式会社 熱源システム及び冷却水供給装置の制御装置並びに制御方法
JP6408972B2 (ja) * 2015-10-05 2018-10-17 日本エア・リキード株式会社 冷却塔制御システムおよび冷却塔制御方法
CN106500277A (zh) * 2016-12-21 2017-03-15 重庆贻科科技有限公司 一种冷却塔智能控制方法及系统
CN110726273B (zh) 2018-07-16 2023-03-21 开利公司 用于致冷设备系统中的节能冷冻水和冷凝器水温度重置的协调映射图
CN110793380B (zh) * 2019-11-19 2022-01-11 上海颢世环境能源科技有限公司 一种冷却水循环系统能源管理方法
CN110793379B (zh) * 2019-11-19 2022-01-11 上海颢世环境能源科技有限公司 基于冷却塔的循环水管理设备、循环系统及管理方法
CN112082310A (zh) * 2020-09-17 2020-12-15 中天钢铁集团有限公司 一种高炉软水循环系统及其控温方法
CN112556485A (zh) * 2020-12-29 2021-03-26 昆山璟赫机电工程有限公司 一种冰机冷却塔的运行控制系统及运行控制方法
CN112857132B (zh) * 2021-01-07 2022-11-18 丁一 冷却塔、冷却塔检测控制方法、装置、设备及存储介质
CN112833611A (zh) * 2021-01-22 2021-05-25 深圳市奥宇节能技术股份有限公司 一种冷却循环水系统及其控制方法
CN113503751A (zh) * 2021-05-28 2021-10-15 淄博英诺威圣节能科技有限公司 一种自然通风冷却塔的增容结构

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JPS5625698A (en) * 1979-07-10 1981-03-12 Tokyo Jido Kiko Kk Apparatus for supplying air to cooling tower and air supply controlling system
JPS57196098A (en) * 1981-05-27 1982-12-01 Shin Nippon Reiki Kk Capacity controller for industrial cooling tower

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Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
JPS5625698A (en) * 1979-07-10 1981-03-12 Tokyo Jido Kiko Kk Apparatus for supplying air to cooling tower and air supply controlling system
JPS57196098A (en) * 1981-05-27 1982-12-01 Shin Nippon Reiki Kk Capacity controller for industrial cooling tower

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1201180A2 (en) 2000-10-25 2002-05-02 Orange House Co., Ltd. Dentition image reading apparatus

Also Published As

Publication number Publication date
DE3470097D1 (en) 1988-04-28
KR840007282A (ko) 1984-12-06
CA1215156A (en) 1986-12-09
HK86288A (en) 1988-11-04
ES528942A0 (es) 1984-12-01
EP0115377A3 (en) 1985-05-22
AR241724A1 (es) 1992-11-30
KR870000986B1 (ko) 1987-05-16
EP0115377A2 (en) 1984-08-08
EP0115377B1 (en) 1988-03-23
IN161796B (ja) 1988-02-06
BR8400272A (pt) 1984-09-04
JPS59145499A (ja) 1984-08-20
AU2233483A (en) 1984-08-02
ES8501522A1 (es) 1984-12-01
AU557328B2 (en) 1986-12-18
MX159476A (es) 1989-06-15
US4474027A (en) 1984-10-02

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