CA1077111A - Electric blanket control circuit - Google Patents

Electric blanket control circuit

Info

Publication number
CA1077111A
CA1077111A CA260,151A CA260151A CA1077111A CA 1077111 A CA1077111 A CA 1077111A CA 260151 A CA260151 A CA 260151A CA 1077111 A CA1077111 A CA 1077111A
Authority
CA
Canada
Prior art keywords
switch
fuse
overheat protection
protection circuit
overheat
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
CA260,151A
Other languages
English (en)
French (fr)
Inventor
George C. Crowley
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.)
Nortel Networks Ltd
Original Assignee
Northern 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 Northern Electric Co Ltd filed Critical Northern Electric Co Ltd
Application granted granted Critical
Publication of CA1077111A publication Critical patent/CA1077111A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/042—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using temperature dependent resistors
    • H02H5/043—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using temperature dependent resistors the temperature dependent resistor being disposed parallel to a heating wire, e.g. in a heating blanket
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H02H3/044—Checking correct functioning of protective arrangements, e.g. by simulating a fault
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H05B3/342—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heaters used in textiles
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/014—Heaters using resistive wires or cables not provided for in H05B3/54
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/017—Manufacturing methods or apparatus for heaters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/035—Electrical circuits used in resistive heating apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Resistance Heating (AREA)
CA260,151A 1975-09-02 1976-08-30 Electric blanket control circuit Expired CA1077111A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/609,243 US4034185A (en) 1975-09-02 1975-09-02 Electric blanket control circuit

Publications (1)

Publication Number Publication Date
CA1077111A true CA1077111A (en) 1980-05-06

Family

ID=24439926

Family Applications (1)

Application Number Title Priority Date Filing Date
CA260,151A Expired CA1077111A (en) 1975-09-02 1976-08-30 Electric blanket control circuit

Country Status (7)

Country Link
US (1) US4034185A (enExample)
JP (1) JPS6013276B2 (enExample)
CA (1) CA1077111A (enExample)
DE (1) DE2639082A1 (enExample)
FR (1) FR2323260A1 (enExample)
GB (1) GB1554570A (enExample)
NZ (1) NZ181846A (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA793906B (en) * 1978-08-24 1980-07-30 Dreamland Electrical Appliance Heating circuits
US4281237A (en) * 1979-03-05 1981-07-28 Sunbeam Corporation Safety circuit for electric bedcover
JPS576564U (enExample) * 1980-06-12 1982-01-13
US4436986A (en) 1981-11-23 1984-03-13 Sunbeam Corporation Electric blanket safety circuit
CA1235450A (en) * 1983-05-11 1988-04-19 Kazunori Ishii Flexible heating cable
US4547658A (en) * 1984-06-13 1985-10-15 Sunbeam Corporation Multiple heat fusing wire circuit for underblankets
US4707686A (en) * 1986-04-03 1987-11-17 General Electric Company Over temperature sensing system for power cables
US5801914A (en) * 1996-05-23 1998-09-01 Sunbeam Products, Inc. Electrical safety circuit with a breakable conductive element
GB2334389B (en) * 1998-02-16 2002-03-06 Dreamland Appliances Ltd Electrically heated panel apparatus
US6222162B1 (en) 1999-06-03 2001-04-24 Barry P. Keane Electric blanket and control
US6770854B1 (en) * 2001-08-29 2004-08-03 Inotec Incorporated Electric blanket and system and method for making an electric blanket
US6730887B2 (en) * 2001-09-11 2004-05-04 Sunbeam Products, Inc. Warming blanket having remote safety circuit
US8147395B2 (en) * 2006-11-28 2012-04-03 Gregory S. Anderson Bone-activity stimulation apparatus and method
EP2528559A1 (en) * 2010-01-27 2012-12-05 Bruder Healthcare Company Heating element with thermal fuse
JP6718407B2 (ja) 2017-04-06 2020-07-08 株式会社クボタ エンジンの流体加熱装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR709298A (fr) * 1930-01-14 1931-08-05 Schiele & Bruchsaler Ind Interrupteur de sécurité
FR783126A (fr) * 1934-07-06 1935-07-08 Schiele & Bruchsaler Ind Disposition d'essai pour interrupteurs de protection pour empêcher les tensions de contact dangereuses
US3396265A (en) * 1965-12-30 1968-08-06 Gen Electric Electrically heated bedcover overtemperature control
US3418454A (en) * 1965-12-30 1968-12-24 Gen Electric Electric bedcover overtemperature control system
DE1260855B (de) * 1967-06-06 1968-02-08 Saba Gmbh Elektronisches Geraet zur Nachbildung von Tierlauten
US3594788A (en) * 1967-12-27 1971-07-20 Combustion Eng Sensor testing device
US3628093A (en) * 1970-04-13 1971-12-14 Northern Electric Co Thermostat overheat protection system for an electric appliance such as a blanket
US3673381A (en) * 1971-10-26 1972-06-27 Northern Electric Co Thermostatless blanket control circuit

Also Published As

Publication number Publication date
US4034185A (en) 1977-07-05
FR2323260B1 (enExample) 1980-08-14
JPS6013276B2 (ja) 1985-04-05
GB1554570A (en) 1979-10-24
FR2323260A1 (fr) 1977-04-01
AU1727676A (en) 1978-03-09
DE2639082A1 (de) 1977-03-10
NZ181846A (en) 1980-11-28
JPS5230561A (en) 1977-03-08

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Legal Events

Date Code Title Description
MKEX Expiry