FR2414225A1 - THERMAL SENSOR FOR SUPPLY AND TEMPERATURE CONTROL CIRCUIT AND METHOD OF DETECTION OF PEAK VOLTAGE OF AN ALTERNATIVE CURRENT - Google Patents

THERMAL SENSOR FOR SUPPLY AND TEMPERATURE CONTROL CIRCUIT AND METHOD OF DETECTION OF PEAK VOLTAGE OF AN ALTERNATIVE CURRENT

Info

Publication number
FR2414225A1
FR2414225A1 FR7834472A FR7834472A FR2414225A1 FR 2414225 A1 FR2414225 A1 FR 2414225A1 FR 7834472 A FR7834472 A FR 7834472A FR 7834472 A FR7834472 A FR 7834472A FR 2414225 A1 FR2414225 A1 FR 2414225A1
Authority
FR
France
Prior art keywords
supply
detection
control circuit
temperature control
peak voltage
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.)
Withdrawn
Application number
FR7834472A
Other languages
French (fr)
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.)
Duracell Inc USA
Original Assignee
PR Mallory and Co Inc
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 PR Mallory and Co Inc filed Critical PR Mallory and Co Inc
Publication of FR2414225A1 publication Critical patent/FR2414225A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6447—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors
    • H05B6/645—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors using temperature sensors
    • H05B6/6452—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors using temperature sensors the sensors being in contact with the heated product
    • 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
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1912—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can take more than two discrete values
    • 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)
  • Electromagnetism (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Control Of Temperature (AREA)
  • Electric Ovens (AREA)

Abstract

L'INVENTION CONCERNE LES CIRCUITS DE REGLAGE DE TEMPERATURE ET D'ALIMENTATION D'APPAREILS ELECTRIQUES. ELLE SE RAPPORTE A UN CIRCUIT DANS LEQUEL UN CAPTEUR AYANT UNE SEULE THERMISTANCE EST ASSOCIE A UN CIRCUIT QUI FIXE ET DETECTE UNE TEMPERATURE DE CONSIGNE ET UNE TEMPERATURE QUI SE TROUVE A UNE VALEUR PREDETERMINEE AU-DESSOUS DE LA TEMPERATURE DE CONSIGNE. L'ENERGIE EST TRANSMISE A LA CHARGE POUR LA VALEUR DE CRETE DE LA FORME D'ONDE D'ALIMENTATION. APPLICATION A LA COMMANDE DE L'ALIMENTATION DU MAGNETRON D'UN FOUR A MICRO-ONDES.THE INVENTION CONCERNS CIRCUITS FOR ADJUSTING THE TEMPERATURE AND POWERING ELECTRICAL APPLIANCES. IT RELATES TO A CIRCUIT IN WHICH A SENSOR HAVING A SINGLE THERMISTANCE IS ASSOCIATED WITH A CIRCUIT THAT SETS AND DETECTS A SETPOINT TEMPERATURE AND A TEMPERATURE THAT IS AT A PREDETERMINED VALUE BELOW THE SETPOINT TEMPERATURE. ENERGY IS TRANSMITTED TO THE LOAD FOR THE PEAK VALUE OF THE SUPPLY WAVEFORM. APPLICATION TO THE CONTROL OF THE MAGNETRON POWER SUPPLY OF A MICROWAVE OVEN.

FR7834472A 1977-12-28 1978-12-07 THERMAL SENSOR FOR SUPPLY AND TEMPERATURE CONTROL CIRCUIT AND METHOD OF DETECTION OF PEAK VOLTAGE OF AN ALTERNATIVE CURRENT Withdrawn FR2414225A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86530977A 1977-12-28 1977-12-28

Publications (1)

Publication Number Publication Date
FR2414225A1 true FR2414225A1 (en) 1979-08-03

Family

ID=25345199

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7834472A Withdrawn FR2414225A1 (en) 1977-12-28 1978-12-07 THERMAL SENSOR FOR SUPPLY AND TEMPERATURE CONTROL CIRCUIT AND METHOD OF DETECTION OF PEAK VOLTAGE OF AN ALTERNATIVE CURRENT

Country Status (8)

Country Link
JP (1) JPS5496687A (en)
AU (1) AU4293378A (en)
CA (1) CA1130397A (en)
DE (1) DE2855376A1 (en)
FR (1) FR2414225A1 (en)
GB (1) GB2011660B (en)
MX (1) MX146095A (en)
NZ (1) NZ188672A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54142638A (en) * 1978-04-28 1979-11-07 Hitachi Heating Appliance Co Ltd High frequency heating device
JPS5568298U (en) * 1978-11-06 1980-05-10
JPS57169520A (en) * 1981-04-13 1982-10-19 Matsushita Electric Ind Co Ltd Cooking apparatus
JPS5883128A (en) * 1981-11-12 1983-05-18 Matsushita Electric Ind Co Ltd Heating cooker
JPH03144811A (en) * 1989-10-31 1991-06-20 Tokyo Electric Co Ltd Method and device for controlling temperature of cooker
CN112203368B (en) * 2020-10-09 2023-05-09 宁波昕科工贸有限公司 Temperature control method, circuit and heating device
CN112555917B (en) * 2020-11-11 2023-07-25 深圳火王智能厨电股份有限公司 Control method of gas stove, gas cooking system and computer readable storage medium

Also Published As

Publication number Publication date
GB2011660B (en) 1982-07-07
GB2011660A (en) 1979-07-11
DE2855376A1 (en) 1979-07-12
MX146095A (en) 1982-05-12
NZ188672A (en) 1982-08-17
CA1130397A (en) 1982-08-24
JPS5496687A (en) 1979-07-31
AU4293378A (en) 1979-07-05

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Legal Events

Date Code Title Description
ST Notification of lapse