JPS5731013A - Temperature control device - Google Patents

Temperature control device

Info

Publication number
JPS5731013A
JPS5731013A JP10610280A JP10610280A JPS5731013A JP S5731013 A JPS5731013 A JP S5731013A JP 10610280 A JP10610280 A JP 10610280A JP 10610280 A JP10610280 A JP 10610280A JP S5731013 A JPS5731013 A JP S5731013A
Authority
JP
Japan
Prior art keywords
current
sensor signal
semicycle
pulse
signal
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
JP10610280A
Other languages
Japanese (ja)
Other versions
JPS6138485B2 (en
Inventor
Yasukiyo Ueda
Hirokuni Murakami
Takashi Iwasa
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 JP10610280A priority Critical patent/JPS5731013A/en
Priority to US06/266,592 priority patent/US4485296A/en
Priority to AU70922/81A priority patent/AU528370B2/en
Priority to GB8115781A priority patent/GB2077000B/en
Priority to CA000378514A priority patent/CA1183925A/en
Priority to DE3121550A priority patent/DE3121550C2/en
Publication of JPS5731013A publication Critical patent/JPS5731013A/en
Priority to CA000444604A priority patent/CA1187967A/en
Priority to GB08409653A priority patent/GB2138600B/en
Publication of JPS6138485B2 publication Critical patent/JPS6138485B2/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 Resistance Heating (AREA)
  • Control Of Temperature (AREA)

Abstract

PURPOSE:To obtain an exact temperature signal irrespective of turn-on or turn-off of a heater, by constituting a device so as to cut a sensor signal, in the positive semicycle period to load by which distortion is generated in the sensor signal. CONSTITUTION:In a positive semicycle of AC voltage VAC, an electric power control element 6 is made to conduct by a zero crossing pulse from a comparing trigger circuit 12, and a current is fed to a heater 2. Also, in a negative semicycle, a current flowing in a sensor 3 is detected as a collector current IC of a transistor TR8, it is integrated and temprature signal voltage VT is obtained. In this case, a controlling TR18 is on and the collector current IC is integrated by a capacitor 10, but when a pulse VP is generated from a pulse generating circuit 16, the TR18 is turned off, and the current IC does not flow. That is to say, a sensor signal in the positive semicycle period in which the sensor signal generates distortion is cut.
JP10610280A 1980-05-30 1980-07-31 Temperature control device Granted JPS5731013A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP10610280A JPS5731013A (en) 1980-07-31 1980-07-31 Temperature control device
US06/266,592 US4485296A (en) 1980-05-30 1981-05-20 Automatic temperature control device for an electric appliance such as an electric blanket
AU70922/81A AU528370B2 (en) 1980-05-30 1981-05-21 Automatic temperature control device
GB8115781A GB2077000B (en) 1980-05-30 1981-05-22 Automatic temperature control arrangement for an electric appliance such as an electric blanket
CA000378514A CA1183925A (en) 1980-05-30 1981-05-28 Automatic temperature control device for an electric appliance such as an electric blanket
DE3121550A DE3121550C2 (en) 1980-05-30 1981-05-29 Automatic temperature control device for an electrical device
CA000444604A CA1187967A (en) 1980-05-30 1984-01-03 Automatic temperature control device for an electric appliance such as an electric blanket
GB08409653A GB2138600B (en) 1980-05-30 1984-04-13 Automatic temperature control device for an electric appliance such as an electric blanket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10610280A JPS5731013A (en) 1980-07-31 1980-07-31 Temperature control device

Publications (2)

Publication Number Publication Date
JPS5731013A true JPS5731013A (en) 1982-02-19
JPS6138485B2 JPS6138485B2 (en) 1986-08-29

Family

ID=14425144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10610280A Granted JPS5731013A (en) 1980-05-30 1980-07-31 Temperature control device

Country Status (1)

Country Link
JP (1) JPS5731013A (en)

Also Published As

Publication number Publication date
JPS6138485B2 (en) 1986-08-29

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