NL8004683A - Temperatuurbewakingsinrichting. - Google Patents

Temperatuurbewakingsinrichting. Download PDF

Info

Publication number
NL8004683A
NL8004683A NL8004683A NL8004683A NL8004683A NL 8004683 A NL8004683 A NL 8004683A NL 8004683 A NL8004683 A NL 8004683A NL 8004683 A NL8004683 A NL 8004683A NL 8004683 A NL8004683 A NL 8004683A
Authority
NL
Netherlands
Prior art keywords
temperature
probes
circuit
measuring
transistor
Prior art date
Application number
NL8004683A
Other languages
English (en)
Dutch (nl)
Original Assignee
Loher Gmbh
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 Loher Gmbh filed Critical Loher Gmbh
Publication of NL8004683A publication Critical patent/NL8004683A/nl

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00Thermometers giving results other than momentary value of temperature
    • G01K3/005Circuits arrangements for indicating a predetermined temperature
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00Details of emergency protective circuit arrangements
    • H02H1/0038Details of emergency protective circuit arrangements concerning the connection of the detecting means, e.g. for reducing their number
    • H02H1/0046Commutating the detecting means in dependance of the fault, e.g. for reducing their number
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04Emergency 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
    • H02H5/042Emergency 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/10Emergency 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 mechanical injury, e.g. rupture of line, breakage of earth connection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
NL8004683A 1979-08-29 1980-08-19 Temperatuurbewakingsinrichting. NL8004683A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792934926 DE2934926A1 (de) 1979-08-29 1979-08-29 Temperaturueberwachung
DE2934926 1979-08-29

Publications (1)

Publication Number Publication Date
NL8004683A true NL8004683A (nl) 1981-03-03

Family

ID=6079558

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8004683A NL8004683A (nl) 1979-08-29 1980-08-19 Temperatuurbewakingsinrichting.

Country Status (8)

Country Link
AR (1) AR231772A1 (it)
BE (1) BE884940A (it)
DE (1) DE2934926A1 (it)
ES (1) ES8104559A1 (it)
FR (1) FR2464465A1 (it)
GB (1) GB2062322A (it)
IT (1) IT1132565B (it)
NL (1) NL8004683A (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3143840A1 (de) * 1981-11-05 1983-05-11 Karl-Heinz 2051 Kröppelshagen Mevs Schutzschaltung fuer im verbund arbeitende elektrische maschinen
GB8603740D0 (en) * 1986-02-14 1986-03-19 P J O Ind Ltd Temperature sensing means
FI117409B (fi) * 2004-06-10 2006-09-29 Abb Oy Anturiresistanssin isoloitu mittauspiiri

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB811141A (en) * 1954-03-30 1959-04-02 Madewel Products Ltd Improvements in or relating to automatic fire and temperature alarms
DE1423272B1 (de) * 1958-12-11 1969-09-04 Siemens Ag Schaltungsanordnung zur UEberwachung der Temperatur von Maschinen oder Geraeten
GB934654A (en) * 1959-09-04 1963-08-21 Karl Gustaf Berg Electronic transistor-controlled device for measuring or control of temperatures
GB1021570A (en) * 1964-07-31 1966-03-02 Specialties Dev Corp Apparatus for detecting heat protected against false actuation
GB1132733A (en) * 1965-02-18 1968-11-06 Derek Charles Adams Improvements in or relating to fire detection apparatus
FR1510480A (fr) * 1966-04-04 1968-01-19 Pyrotector Inc Dispositif avertisseur sensible à la température
US3728702A (en) * 1969-12-11 1973-04-17 Matsushita Electric Ind Co Ltd Temperature alarm utilizing paired positive and negative coefficient thermistors
US3778798A (en) * 1972-05-01 1973-12-11 Gen Electric Food preparation electric thermometer alarm circuit
GB1545594A (en) * 1977-09-07 1979-05-10 Fogden & Co Ltd M Temperature monitoring

Also Published As

Publication number Publication date
DE2934926A1 (de) 1981-03-26
IT1132565B (it) 1986-07-02
IT8024172A0 (it) 1980-08-14
GB2062322A (en) 1981-05-20
ES494581A0 (es) 1981-04-01
FR2464465A1 (fr) 1981-03-06
AR231772A1 (es) 1985-02-28
ES8104559A1 (es) 1981-04-01
BE884940A (fr) 1980-12-16

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BV The patent application has lapsed