JPS5781617A - Temperature controller - Google Patents

Temperature controller

Info

Publication number
JPS5781617A
JPS5781617A JP55157603A JP15760380A JPS5781617A JP S5781617 A JPS5781617 A JP S5781617A JP 55157603 A JP55157603 A JP 55157603A JP 15760380 A JP15760380 A JP 15760380A JP S5781617 A JPS5781617 A JP S5781617A
Authority
JP
Japan
Prior art keywords
temperature
cooling tower
fluid
outlet
fan
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
JP55157603A
Other languages
Japanese (ja)
Inventor
Shinji Nishikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP55157603A priority Critical patent/JPS5781617A/en
Publication of JPS5781617A publication Critical patent/JPS5781617A/en
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
    • 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
    • G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
    • G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
    • G05D23/1931—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of one space

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Remote Sensing (AREA)
  • Control Of Temperature (AREA)

Abstract

PURPOSE:To make temporary stop of the operation of a cooling fan unnecessary to extend the life of the cooling fan and economize energy, by using movable blades for the cooling fan of a cooling tower and by controlling the airflow rate by changing the blade angle to make the temperature of the fluid at the outlet of the cooling tower constant. CONSTITUTION:A movable blade fan 5 is fitted to an upper hot-water tank 2 of a cooling tower 5, and hot water 10 led to the upper hot-water tank 2 has the temperature lowered and becomes cold water 11 by rotating the movable blade fan 6 while hot water is stored in a lower hot-water tank 4 through packings 3. The temperature of the fluid at the outlet of the cooling tower 5 is detected by a detector 8 and is compared with the set value of the temperature of the fluid at the outlet of the cooling tower 5; and if the detected temperature is higher, the quantity of air passing the cooling tower 5 is increased by changing the angle of movable blades of the movable blade fan 6 to lower the temperarure of the fluid at the outlet of the cooling tower 5. If the detected temperature is lower, the quantity of air is decreased by changing the angle of movable blades to raise the temperature of the fluid at the outlet. Further, the temperature of the fluid at the inlet of the cooling tower 5, the air temperture, etc. are detected by a detector 7 and are used for the control of movable blades.
JP55157603A 1980-11-11 1980-11-11 Temperature controller Pending JPS5781617A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55157603A JPS5781617A (en) 1980-11-11 1980-11-11 Temperature controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55157603A JPS5781617A (en) 1980-11-11 1980-11-11 Temperature controller

Publications (1)

Publication Number Publication Date
JPS5781617A true JPS5781617A (en) 1982-05-21

Family

ID=15653325

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55157603A Pending JPS5781617A (en) 1980-11-11 1980-11-11 Temperature controller

Country Status (1)

Country Link
JP (1) JPS5781617A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63253602A (en) * 1987-04-10 1988-10-20 株式会社　興研 Electrode water temperature control system apparatus in water resistor
US7842114B2 (en) * 2008-07-18 2010-11-30 Uop Llc Vessel for receiving a fluid including a demister

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63253602A (en) * 1987-04-10 1988-10-20 株式会社　興研 Electrode water temperature control system apparatus in water resistor
JPH0572724B2 (en) * 1987-04-10 1993-10-12 Koken Kk
US7842114B2 (en) * 2008-07-18 2010-11-30 Uop Llc Vessel for receiving a fluid including a demister

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