FR2321117A1 - THERMAL DETECTION DEVICE - Google Patents

THERMAL DETECTION DEVICE

Info

Publication number
FR2321117A1
FR2321117A1 FR7624931A FR7624931A FR2321117A1 FR 2321117 A1 FR2321117 A1 FR 2321117A1 FR 7624931 A FR7624931 A FR 7624931A FR 7624931 A FR7624931 A FR 7624931A FR 2321117 A1 FR2321117 A1 FR 2321117A1
Authority
FR
France
Prior art keywords
detection device
thermal detection
thermal
detection
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
FR7624931A
Other languages
French (fr)
Other versions
FR2321117B1 (en
Inventor
Denis Leslie Redfern
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.)
Wormald International Ltd
Original Assignee
Wormald International 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 Wormald International Ltd filed Critical Wormald International Ltd
Publication of FR2321117A1 publication Critical patent/FR2321117A1/en
Application granted granted Critical
Publication of FR2321117B1 publication Critical patent/FR2321117B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
    • G01K3/10—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of time, e.g. reacting only to a quick change of temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/005—Circuits arrangements for indicating a predetermined temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/01—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using semiconducting elements having PN junctions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
    • G01K7/24—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor in a specially-adapted circuit, e.g. bridge circuit
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
FR7624931A 1975-08-11 1976-08-11 THERMAL DETECTION DEVICE Granted FR2321117A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPC272175 1975-08-11

Publications (2)

Publication Number Publication Date
FR2321117A1 true FR2321117A1 (en) 1977-03-11
FR2321117B1 FR2321117B1 (en) 1981-08-28

Family

ID=3766316

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7624931A Granted FR2321117A1 (en) 1975-08-11 1976-08-11 THERMAL DETECTION DEVICE

Country Status (6)

Country Link
JP (1) JPS5222976A (en)
CH (1) CH607179A5 (en)
DE (1) DE2635640A1 (en)
FR (1) FR2321117A1 (en)
GB (1) GB1507268A (en)
NZ (1) NZ181746A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2434376A1 (en) * 1978-08-24 1980-03-21 Hochiki Co SEMICONDUCTOR TEMPERATURE SENSING APPARATUS, IN PARTICULAR FOR FIRE DETECTION
EP0593912A1 (en) * 1992-10-17 1994-04-27 Bayerische Motoren Werke Aktiengesellschaft Method for the diagnosis of the components of a heating circuit for an electrically conductive body
EP1150108A1 (en) * 2000-04-26 2001-10-31 BODENSEEWERK GERÄTETECHNIK GmbH Method and apparatus for the early detection of a possible overheating of an object

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5717810A (en) * 1980-07-07 1982-01-29 Nippon Denso Co Ltd Alarm method and device for vehicle
DE3328450A1 (en) * 1983-08-06 1985-02-28 Daimler-Benz Ag, 7000 Stuttgart METHOD FOR CHECKING PROBE
JPS61112489U (en) * 1984-12-24 1986-07-16
JPS62247499A (en) * 1986-11-25 1987-10-28 松下電工株式会社 Heat sensor
JPH0755674Y2 (en) * 1988-02-02 1995-12-20 ニッタン株式会社 Fire detector
JP2650998B2 (en) * 1989-01-07 1997-09-10 古河電気工業株式会社 Optical fiber for detecting liquid, gas, etc.
DE3922234A1 (en) * 1989-07-06 1991-01-10 Kloeckner Becorit Gmbh Temp. monitor esp. for combustion engine cooling system - switches off engine depending on temp. w.r.t. threshold comparison and temp. gradient against time
DE102007045370A1 (en) * 2007-09-22 2009-04-02 Zf Friedrichshafen Ag Method for determining a performance of a cooling system
FR2984495B1 (en) * 2011-12-15 2016-04-15 Valeo Systemes De Controle Moteur METHOD FOR MEASURING TEMPERATURE
US10302502B2 (en) 2014-05-15 2019-05-28 Microchip Technology Incorporated Determining rate of change in temperature measurements

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3701985A (en) * 1971-04-05 1972-10-31 John S Davies Fire detection system and unit
AU480813A (en) * 1973-07-09 1975-01-09
DE2530848A1 (en) * 1974-07-20 1976-02-05 Nohmi Bosai Kogyo Co Ltd Electronic fire detection circuit - avoids false alarms by monitoring waveform shape of detected parameters over suitable period

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1191363A (en) * 1968-02-19 1970-05-13 Pavelle Ltd Improvements in or relating to Electronic Thermostats.
BE791365A (en) * 1971-11-15 1973-03-01 Guilleux Robert TEMPERATURE VARIATIONS DETECTION DEVICE

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3701985A (en) * 1971-04-05 1972-10-31 John S Davies Fire detection system and unit
AU480813A (en) * 1973-07-09 1975-01-09
DE2530848A1 (en) * 1974-07-20 1976-02-05 Nohmi Bosai Kogyo Co Ltd Electronic fire detection circuit - avoids false alarms by monitoring waveform shape of detected parameters over suitable period

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2434376A1 (en) * 1978-08-24 1980-03-21 Hochiki Co SEMICONDUCTOR TEMPERATURE SENSING APPARATUS, IN PARTICULAR FOR FIRE DETECTION
EP0593912A1 (en) * 1992-10-17 1994-04-27 Bayerische Motoren Werke Aktiengesellschaft Method for the diagnosis of the components of a heating circuit for an electrically conductive body
EP1150108A1 (en) * 2000-04-26 2001-10-31 BODENSEEWERK GERÄTETECHNIK GmbH Method and apparatus for the early detection of a possible overheating of an object
US6646558B2 (en) 2000-04-26 2003-11-11 Bodenseewerk Gerätechnik GmbH Method and arrangement for recognizing potential overheating of an object

Also Published As

Publication number Publication date
GB1507268A (en) 1978-04-12
CH607179A5 (en) 1978-11-30
NZ181746A (en) 1979-11-01
DE2635640A1 (en) 1977-03-03
JPS5222976A (en) 1977-02-21
FR2321117B1 (en) 1981-08-28

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Legal Events

Date Code Title Description
ST Notification of lapse