ES391503A1 - Circuito para detectar una variacion de temperatura, en es-pecial para sistemas avisadores de incendios. - Google Patents

Circuito para detectar una variacion de temperatura, en es-pecial para sistemas avisadores de incendios.

Info

Publication number
ES391503A1
ES391503A1 ES391503A ES391503A ES391503A1 ES 391503 A1 ES391503 A1 ES 391503A1 ES 391503 A ES391503 A ES 391503A ES 391503 A ES391503 A ES 391503A ES 391503 A1 ES391503 A1 ES 391503A1
Authority
ES
Spain
Prior art keywords
temperature
point
bridge
variation
circuit
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
ES391503A
Other languages
English (en)
Spanish (es)
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.)
Preussag AG Feuerschutz
Original Assignee
Preussag AG Feuerschutz
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 Preussag AG Feuerschutz filed Critical Preussag AG Feuerschutz
Publication of ES391503A1 publication Critical patent/ES391503A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
ES391503A 1970-06-04 1971-05-24 Circuito para detectar una variacion de temperatura, en es-pecial para sistemas avisadores de incendios. Expired ES391503A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702027545 DE2027545B2 (de) 1970-06-04 1970-06-04 Schaltungsanordnung zur erfassung einer temperaturaenderung

Publications (1)

Publication Number Publication Date
ES391503A1 true ES391503A1 (es) 1974-08-01

Family

ID=5773065

Family Applications (1)

Application Number Title Priority Date Filing Date
ES391503A Expired ES391503A1 (es) 1970-06-04 1971-05-24 Circuito para detectar una variacion de temperatura, en es-pecial para sistemas avisadores de incendios.

Country Status (6)

Country Link
AT (1) AT313755B (xx)
BE (1) BE768048A (xx)
DE (1) DE2027545B2 (xx)
ES (1) ES391503A1 (xx)
FR (1) FR2099748A5 (xx)
GB (1) GB1349304A (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2627357C3 (de) * 1976-06-18 1981-05-27 Preussag Ag Feuerschutz, 2060 Bad Oldesloe Temperaturmelder
DE2933874C2 (de) * 1978-08-24 1986-07-17 Hochiki Corp., Tokio/Tokyo Fühlvorrichtung zur Wahrnehmung von Temperaturunterschieden zwischen zwei Punkten
DE3922234A1 (de) * 1989-07-06 1991-01-10 Kloeckner Becorit Gmbh Temperaturueberwachung, insbesondere fuer das kuehlsystem eines verbrennungsmotors im untertaegigen grubenbetrieb
DE4009011A1 (de) * 1990-03-21 1991-10-24 Trippe Industrieelectronic Gmb Temperaturfuehler
FR3083307B1 (fr) * 2018-06-29 2021-09-24 Sc2N Sa Capteur de temperature

Also Published As

Publication number Publication date
GB1349304A (en) 1974-04-03
AT313755B (de) 1974-03-11
DE2027545B2 (de) 1972-11-23
DE2027545A1 (de) 1971-12-09
FR2099748A5 (xx) 1972-03-17
BE768048A (fr) 1971-12-03

Similar Documents

Publication Publication Date Title
CA962086A (en) Temperature monitoring circuit with constant current provision for sensing element
DK128040B (da) Husaggregat til elektrisk forbindelseselement.
DK117976B (da) Provestofplaster til påvisning af kontakteksemer.
ES391503A1 (es) Circuito para detectar una variacion de temperatura, en es-pecial para sistemas avisadores de incendios.
DK130492B (da) Arrangement til tilvejebringelse af en elektrisk indikation for vinkelstillingen af en magnetnål.
DK118192B (da) Kobling til måling af niveauet af en elektrisk spænding eller strøm.
DK143674C (da) Beskyttelseskredsloeb til hurtig afkobling af tilbagekoblede transistorvekselrettere,naar udgangsspaendingerne eller udgangsstroemmene overskrider eller falder under foreskrevne oenskevaerdier
NL7408033A (nl) Schakeling voor het meten van de effektieve waarde van een elektrisch signaal.
ES486395A1 (es) Sistema de seguridad
ES386344A1 (es) Un circuito de deteccion de umbral de tension baja.
GB1212039A (en) Boundary value voltage or current sensors
DK121980B (da) Flerføleromskiftekredsløb til elektrokemiske målefølere.
FI49231C (fi) Merkin moduloinnin ilmaisinpiiri.
ES163426U (es) Un elemento de resistencia para dispositivos para detectar y medir magnitudes fisicas.
ES365309A1 (es) Perfeccionamientos en los dispositivos compensadores de la curva de respuesta de los elementos rectificadores empleadosen los instrumentos de medida.
JPS5275385A (en) Instantaneous temperature detector
DK120164B (da) Elektrisk apparat til afprøvning af komponenter.
GB1073046A (en) Circuit arrangement for damping measurement
GB1008473A (en) Improvements in or relating to temperature measurement
ES379830A1 (es) Perfeccionamientos en disposiciones protectoras contra fal-sas conexiones en conjuntos provistos de unidades de cons- truccion electronicas.
ES324532A1 (es) Circuito para la deteccion y la medida de señales.
AT317347B (de) Fehlerstromschutzschalter mit mechanischer Verriegelung der Prüfeinrichtung
SU440589A1 (ru) Устройство дл определени электропроводности жидкостей
DK113184B (da) Føleapparat til i en signalkreds at frembringe signaler til indikation af værdien af de penge, der anvendes til aktivering af apparatet.
JPS5231778A (en) Three-wire type resistance thermometer