CA1226622A - Detecteur de surintensites - Google Patents

Detecteur de surintensites

Info

Publication number
CA1226622A
CA1226622A CA000450648A CA450648A CA1226622A CA 1226622 A CA1226622 A CA 1226622A CA 000450648 A CA000450648 A CA 000450648A CA 450648 A CA450648 A CA 450648A CA 1226622 A CA1226622 A CA 1226622A
Authority
CA
Canada
Prior art keywords
thermistor
led
load
voltage drop
current
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
CA000450648A
Other languages
English (en)
Inventor
Michael P. Bradford
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Application granted granted Critical
Publication of CA1226622A publication Critical patent/CA1226622A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
CA000450648A 1983-04-18 1984-03-28 Detecteur de surintensites Expired CA1226622A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48579483A 1983-04-18 1983-04-18
US485,794 1983-04-18

Publications (1)

Publication Number Publication Date
CA1226622A true CA1226622A (fr) 1987-09-08

Family

ID=23929464

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000450648A Expired CA1226622A (fr) 1983-04-18 1984-03-28 Detecteur de surintensites

Country Status (10)

Country Link
JP (1) JPS59198837A (fr)
AU (1) AU571210B2 (fr)
CA (1) CA1226622A (fr)
DE (1) DE3414536A1 (fr)
ES (1) ES8502816A1 (fr)
FR (1) FR2544563A1 (fr)
GB (1) GB2139437B (fr)
IL (1) IL71529A (fr)
IT (1) IT1209530B (fr)
SE (1) SE8401957L (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2039695A (en) * 1994-06-07 1995-12-14 Honeywell Inc. Led indicator with low operating voltage and high over-voltage tolerance
US6795321B2 (en) 2001-07-20 2004-09-21 Power Integrations, Inc. Method and apparatus for sensing current and voltage in circuits with voltage across an LED

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB971286A (en) * 1962-04-20 1964-09-30 Brookhirst Igranic Ltd Improvements in or relating to operation and fault indication for unidirectional conducting devices
DE1297198B (de) * 1962-09-28 1969-06-12 Siemens Ag Schaltungsanordnung fuer elektrische Stromkreise
GB1217673A (en) * 1966-12-12 1970-12-31 Essex Internat Inc Component failure detection system
GB1475142A (en) * 1973-06-22 1977-06-01 Buck R Protecting an electronic switching arrangement
US3925709A (en) * 1973-08-13 1975-12-09 Westinghouse Electric Corp Overcurrent protection circuit for AC systems
DE2411633C3 (de) * 1974-03-12 1981-06-19 Brown, Boveri & Cie Ag, 6800 Mannheim Schaltungsanordnung zur Strombegrenzung
US3919565A (en) * 1974-04-08 1975-11-11 Ibm Overcurrent sense circuit
DE2529883B1 (de) * 1975-07-04 1976-05-06 Grundig Emv Schaltungsanordnung zum UEberlastungsschutz
US4220900A (en) * 1978-06-16 1980-09-02 Sky-Top Sunroofs Ltd. Motor control system for a linearly reciprocating load device such as automotive vehicle closure including sun roof
DE2935807A1 (de) * 1979-09-05 1981-04-02 Brown, Boveri & Cie Ag, 6800 Mannheim Einrichtung zum schutz von elektrischen geraeten gegen ueberlastung

Also Published As

Publication number Publication date
JPS59198837A (ja) 1984-11-10
ES531669A0 (es) 1985-01-16
DE3414536A1 (de) 1984-10-18
GB2139437A (en) 1984-11-07
AU571210B2 (en) 1988-04-14
IT1209530B (it) 1989-08-30
ES8502816A1 (es) 1985-01-16
SE8401957D0 (sv) 1984-04-09
GB8408405D0 (en) 1984-05-10
FR2544563A1 (fr) 1984-10-19
IT8420611A0 (it) 1984-04-18
IL71529A (en) 1988-01-31
GB2139437B (en) 1986-11-26
SE8401957L (sv) 1984-10-19
IL71529A0 (en) 1984-07-31
AU2661184A (en) 1984-10-25

Similar Documents

Publication Publication Date Title
US5086294A (en) Indicator circuit for protecting light emitting diode
US4983955A (en) Electric power supply circuit monitoring systems
US4186418A (en) Overvoltage protected integrated circuit network, to control current flow through resistive or inductive loads
US4142151A (en) Failed diode indicator
CA1211789A (fr) Disjoncteur electronique
RU2188490C2 (ru) Схема защиты, в частности, установок дальней связи от перенапряжений и тока перегрузки
US5493101A (en) Positive temperature coefficient transition sensor
US7031132B1 (en) Short circuit diagnostic tool
US7075765B2 (en) Power limiting circuit
US4347543A (en) Rectifier circuit diode array and circuit protector
CA1070813A (fr) Protection contre la surtension
US6751076B2 (en) Protection of intrinsically safe circuits
EP0633640B1 (fr) Une unité de courant de défaut à la terre
CA1226622A (fr) Detecteur de surintensites
US4143410A (en) Electric power system control utilizing low level signals and miniature gage wiring
AU665957B2 (en) Circuit protection arrangement
US5432667A (en) Neutral-to-ground fault sensing circuit
GB2210521A (en) Electrical safety barrier
US5973605A (en) Thermistor monitor system
US20050062579A1 (en) Resettable fuse with visual indicator
GB2580206A (en) Protective switching device for a low-voltage circuit for identifying series arcing faults
KR102324980B1 (ko) 이상 전류 검출 장치
KR200165197Y1 (ko) 멀티탭 콘센트의 사용전류량 표시 및 경보장치
US11190002B2 (en) Circuits to identify protection device failures
FI58414B (fi) Kortslutnings- och oeverbelastningsskyddsanordning foer en med halvledarelement foersedd foerstaerkare

Legal Events

Date Code Title Description
MKEX Expiry