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JPS57187551A - Apparatus for controlling temperature of water heater - Google Patents

Apparatus for controlling temperature of water heater

Info

Publication number
JPS57187551A
JPS57187551A JP7090881A JP7090881A JPS57187551A JP S57187551 A JPS57187551 A JP S57187551A JP 7090881 A JP7090881 A JP 7090881A JP 7090881 A JP7090881 A JP 7090881A JP S57187551 A JPS57187551 A JP S57187551A
Authority
JP
Japan
Prior art keywords
circuit
temperature
output
amplifier
becomes
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
Application number
JP7090881A
Other languages
Japanese (ja)
Other versions
JPS6131389B2 (en
Inventor
Shigeru Murakami
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP7090881A priority Critical patent/JPS57187551A/en
Publication of JPS57187551A publication Critical patent/JPS57187551A/en
Publication of JPS6131389B2 publication Critical patent/JPS6131389B2/ja
Granted 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
    • G05D23/24—Control 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Combustion (AREA)

Abstract

PURPOSE:To enable the set temperature of a temperature regulating circuit to be made high, by constituting a normal temperature control circuit and a high limit circuit from one temperature detecting element thereby the high limit circuit is not be allowed to operate in the normal state. CONSTITUTION:A thermistor 2 and resistors 3-7 determine input levels Va-Vc to operational amplifiers 9-11 for detecting over temperature rise, for the temperature regulating circuit and for detecting a breaking. In the normal operation, and when the boiler water is at a low temperature, the output of the amplifier becomes 1, and the outputs of the amplifiers 9, 11 become 0, so that a combustion control circuit 19 is actuated by a temperature regulating signal a to start the burning, and when it reaches a prescribed temperature, the output of the amplifier 10 becomes 0, and the burning is stopped. If it reaches an over elevated temperature, since the output of the amplifier 10 is 0, the output of an AND circuit 17 becomes 0, so that a reset circuit 18 would not be actuated. If the temperature regulating circuit becomes out of order, the output of the amplifier 10 remains 0, and if the thermistor 2 is broken, since the output of the amplifier 11 becomes 1, the outputs of an OR circuit 16 and the AND circuit 17 become 1, so that the reset circuit 18 is actuated, and the burning is stopped by a signal c.
JP7090881A 1981-05-12 1981-05-12 Apparatus for controlling temperature of water heater Granted JPS57187551A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7090881A JPS57187551A (en) 1981-05-12 1981-05-12 Apparatus for controlling temperature of water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7090881A JPS57187551A (en) 1981-05-12 1981-05-12 Apparatus for controlling temperature of water heater

Publications (2)

Publication Number Publication Date
JPS57187551A true JPS57187551A (en) 1982-11-18
JPS6131389B2 JPS6131389B2 (en) 1986-07-19

Family

ID=13445081

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7090881A Granted JPS57187551A (en) 1981-05-12 1981-05-12 Apparatus for controlling temperature of water heater

Country Status (1)

Country Link
JP (1) JPS57187551A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61144350U (en) * 1985-02-25 1986-09-05
US6129284A (en) * 1998-01-23 2000-10-10 Tridelta Industries, Inc. Integrated appliance control system
JP2005063884A (en) * 2003-08-19 2005-03-10 Matsushita Electric Ind Co Ltd Heating equipment
CN102052767A (en) * 2010-12-31 2011-05-11 李合献 Hot water generator control circuit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3642693C1 (en) * 1986-12-13 1988-07-07 Groz & Soehne Theodor Hook needle (also hook tube needle) for sewing, embroidery, stitching machines and the like.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61144350U (en) * 1985-02-25 1986-09-05
US6129284A (en) * 1998-01-23 2000-10-10 Tridelta Industries, Inc. Integrated appliance control system
JP2005063884A (en) * 2003-08-19 2005-03-10 Matsushita Electric Ind Co Ltd Heating equipment
CN102052767A (en) * 2010-12-31 2011-05-11 李合献 Hot water generator control circuit

Also Published As

Publication number Publication date
JPS6131389B2 (en) 1986-07-19

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