JPS6227402B2 - - Google Patents

Info

Publication number
JPS6227402B2
JPS6227402B2 JP56063046A JP6304681A JPS6227402B2 JP S6227402 B2 JPS6227402 B2 JP S6227402B2 JP 56063046 A JP56063046 A JP 56063046A JP 6304681 A JP6304681 A JP 6304681A JP S6227402 B2 JPS6227402 B2 JP S6227402B2
Authority
JP
Japan
Prior art keywords
refrigerator
comparator
minimum
time
output
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.)
Expired
Application number
JP56063046A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57178504A (en
Inventor
Minoru Tanaka
Morihito Seki
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.)
Azbil Corp
Original Assignee
Azbil Corp
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 Azbil Corp filed Critical Azbil Corp
Priority to JP56063046A priority Critical patent/JPS57178504A/ja
Publication of JPS57178504A publication Critical patent/JPS57178504A/ja
Publication of JPS6227402B2 publication Critical patent/JPS6227402B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/20Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/1906Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1913Control of temperature characterised by the use of electric means using an analogue comparing device delivering a series of pulses
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00Control issues
    • F25B2600/02Compressor control
    • F25B2600/025Compressor control by controlling speed
    • F25B2600/0251Compressor control by controlling speed with on-off operation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Feedback Control In General (AREA)
JP56063046A 1981-04-25 1981-04-25 Controller for operation rate of refrigerating machine Granted JPS57178504A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56063046A JPS57178504A (en) 1981-04-25 1981-04-25 Controller for operation rate of refrigerating machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56063046A JPS57178504A (en) 1981-04-25 1981-04-25 Controller for operation rate of refrigerating machine

Publications (2)

Publication Number Publication Date
JPS57178504A JPS57178504A (en) 1982-11-02
JPS6227402B2 true JPS6227402B2 (fr) 1987-06-15

Family

ID=13217993

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56063046A Granted JPS57178504A (en) 1981-04-25 1981-04-25 Controller for operation rate of refrigerating machine

Country Status (1)

Country Link
JP (1) JPS57178504A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60237502A (ja) * 1984-05-10 1985-11-26 Yamatake Honeywell Co Ltd 複合制御装置
JPS61160102A (ja) * 1984-12-29 1986-07-19 Nishihara Environ Sanit Res Corp プロセス制御装置
JP5392678B2 (ja) * 2009-08-04 2014-01-22 中野冷機株式会社 ショーケースの温度制御方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4832597A (fr) * 1971-08-31 1973-04-28
JPS4951397A (fr) * 1972-09-15 1974-05-18
JPS5188927A (fr) * 1975-01-30 1976-08-04
JPS5379177A (en) * 1976-12-23 1978-07-13 Fuji Electric Co Ltd Pulse width modulator type adjustor meter
JPS5485300A (en) * 1977-11-07 1979-07-06 Mobay Chemical Corp Polyether polyol
JPS567102A (en) * 1979-06-27 1981-01-24 Yamatake Honeywell Co Ltd Controller for load operation time ratio

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4832597A (fr) * 1971-08-31 1973-04-28
JPS4951397A (fr) * 1972-09-15 1974-05-18
JPS5188927A (fr) * 1975-01-30 1976-08-04
JPS5379177A (en) * 1976-12-23 1978-07-13 Fuji Electric Co Ltd Pulse width modulator type adjustor meter
JPS5485300A (en) * 1977-11-07 1979-07-06 Mobay Chemical Corp Polyether polyol
JPS567102A (en) * 1979-06-27 1981-01-24 Yamatake Honeywell Co Ltd Controller for load operation time ratio

Also Published As

Publication number Publication date
JPS57178504A (en) 1982-11-02

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