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SU817797A1 - Fuse - Google Patents

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Publication number
SU817797A1
SU817797A1 SU792764385A SU2764385A SU817797A1 SU 817797 A1 SU817797 A1 SU 817797A1 SU 792764385 A SU792764385 A SU 792764385A SU 2764385 A SU2764385 A SU 2764385A SU 817797 A1 SU817797 A1 SU 817797A1
Authority
SU
USSR - Soviet Union
Prior art keywords
fuse
conductive film
nicr
hell
increase
Prior art date
Application number
SU792764385A
Other languages
Russian (ru)
Inventor
Виктор Юльевич Девонисский
Алексей Викторович Девонисский
Original Assignee
Предприятие П/Я М-5343
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 Предприятие П/Я М-5343 filed Critical Предприятие П/Я М-5343
Priority to SU792764385A priority Critical patent/SU817797A1/en
Application granted granted Critical
Publication of SU817797A1 publication Critical patent/SU817797A1/en

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Description

(54) ПЛАВКИЙ ПРЕДОХРАНИТЕЛЬ(54) FUSE FUSE

то нной толщине и-ширине токопровод щей пленки выдел емое тепло на единицу поверхности пленки и температура прилегающего к ней сло  наЯол .нител  пропорциональны удельному сопротивлению материала пленки.The heat produced by a unit surface of the film and the temperature of the adjacent layer of the nanoel, which is equal to the thickness and width of the conductive film, are proportional to the specific resistance of the film material.

Участки с повышенной температуроИ и повышенной утечкой чередуютс  с участками, на которых температура и утечки возрастают незначительно, что предотвращает образование провод щего канала, шунтирующего токопровод цую пленку.Areas with elevated temperature and increased leakage alternate with areas where temperature and leakage increase slightly, which prevents the formation of a conductive channel that shunts a conductive film.

Предлагаемый малогабаритный предохранитель позвол ет защищать от коротких замыканий и перегрузок (в том числе гутавно нарастающих) маломощные цепи высокого напр жени  до 5-10 кВ, которые в насто щее врем  непосредственной защиты.не имеют.The proposed small fuse protects against short circuits and overloads (including increasing ones) the low-power high-voltage circuits up to 5-10 kV, which are currently not directly protected.

Фор1и Ула изобретени  Плавкий предохранитель с плавкой вставкой, выполненной в риде токопровод щей пленки, нанесенной на диэлектрическое основание и помещенной в корпус с наполнителем, отличающийс  тем, что, с целью увеличени  уровн  отключаемых напр жений и надежности срабатывани , токопровод ща  пленка выполнена из чередующихс  последователь-но соединенных участков из металлов и сплавов с резко отличающимис  удельными сопротивлени ми, например NiCr и Ад. Formula Ula of the Invention Fuse with a fusible insert made in a wire of conductive film deposited on a dielectric base and placed in a housing with a filler, characterized in that, in order to increase the level of switchable voltages and reliability of operation, the conductive film is made of alternating followers but connected portions of metals and alloys with drastically different specific resistances, such as NiCr and Hell.

Источники информации, прин тые во внимание при экспертизеSources of information taken into account in the examination

1.Патент США № 3460036, кл. 337-220, 1969.1. US patent number 3460036, class. 337-220, 1969.

2.Патент Великобритании № 1336838, кл. Н 2 С, 1974.2. The UK patent number 1336838, cl. H 2 C, 1974.

3.Авторское свидетельство СССР 537406, кл. Н 01 Н 85/06, 1975.3. Authors certificate of the USSR 537406, cl. H 01 H 85/06, 1975.

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Claims (1)

Формула изобретения 'Плавкий предохранитель с плавкой вставкой, выполненной в диде токопроводящей пленки, нанесенной на диэлектрическое основание и помещенной в корпус с наполнителем, отличающийся тем, что, с целью увеличения уровня отключае_ мых напряжений и надежности сраба3 тывания, токопроводящая пленка выполнена из чередующихся последовательно соединенных участков из металлов и сплавов с резко отличающими,.ft ся удельными сопротивлениями, напри-, θ мер NiCr и Ад.The formula of the invention 'Fuse with a fusible insert made in a dido of a conductive film deposited on a dielectric base and placed in a housing with a filler, characterized in that, in order to increase the level of disconnected voltages and reliability of the fuse 3 times, the conductive film is made of alternating sequentially connected sections of metals and alloys with sharply distinguishing ones. ft resistivities, for example, θ measures NiCr and Hell.
SU792764385A 1979-05-15 1979-05-15 Fuse SU817797A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU792764385A SU817797A1 (en) 1979-05-15 1979-05-15 Fuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU792764385A SU817797A1 (en) 1979-05-15 1979-05-15 Fuse

Publications (1)

Publication Number Publication Date
SU817797A1 true SU817797A1 (en) 1981-03-30

Family

ID=20826966

Family Applications (1)

Application Number Title Priority Date Filing Date
SU792764385A SU817797A1 (en) 1979-05-15 1979-05-15 Fuse

Country Status (1)

Country Link
SU (1) SU817797A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5546066A (en) * 1993-08-27 1996-08-13 Yazaki Corporation Delayed-fusion fuse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5546066A (en) * 1993-08-27 1996-08-13 Yazaki Corporation Delayed-fusion fuse

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