DE29913553U1 - Electrical fuse - Google Patents

Electrical fuse

Info

Publication number
DE29913553U1
DE29913553U1 DE29913553U DE29913553U DE29913553U1 DE 29913553 U1 DE29913553 U1 DE 29913553U1 DE 29913553 U DE29913553 U DE 29913553U DE 29913553 U DE29913553 U DE 29913553U DE 29913553 U1 DE29913553 U1 DE 29913553U1
Authority
DE
Germany
Prior art keywords
conductor
fuse according
expansion element
expansion
fuse
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 - Lifetime
Application number
DE29913553U
Other languages
German (de)
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.)
Littelfuse Automotive GmbH
Original Assignee
PUDENZ WILHELM 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 PUDENZ WILHELM GmbH filed Critical PUDENZ WILHELM GmbH
Priority to DE29913553U priority Critical patent/DE29913553U1/en
Publication of DE29913553U1 publication Critical patent/DE29913553U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/044—General constructions or structure of low voltage fuses, i.e. below 1000 V, or of fuses where the applicable voltage is not specified
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/36—Means for applying mechanical tension to fusible member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
    • H01H69/02—Manufacture of fuses
    • H01H2069/027—Manufacture of fuses using ultrasonic techniques
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/0241—Structural association of a fuse and another component or apparatus
    • H01H2085/0258—Structural association of a fuse or a fuse holder with a bimetallic element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/46—Circuit arrangements not adapted to a particular application of the protective device
    • H01H2085/466—Circuit arrangements not adapted to a particular application of the protective device with remote controlled forced fusing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/0039—Means for influencing the rupture process of the fusible element

Landscapes

  • Fuses (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (15)

1. Elektrische Sicherung, insbesondere für den Einsatz in Kraftfahrzeugen, mit wenigstens zwei Anschlüssen (1, 2) und einem zwischen den Anschlüssen vorgesehenem zerstörbaren Lei­ ter (5), dadurch gekennzeichnet,
daß die elektrische Sicherung ein Dehnungselement (11, 20, 30, 31) aus einem Material aufweist, dessen Wärmeausdehnungs­ koeffizient verschieden von dem Wärmeausdehnungskoeffizient der Leiters (5) ist, und
daß der Leiter (5) und das Dehnungselement (11, 20, 30, 31) so zueinander angeordnet sind, daß bei einer bestimmten Temperatur des Dehnungselements (11, 20, 30, 31), das Dehnungselement einen zum Bruch des Leiters (5) führenden mechanischen Druck auf den Leiter (5) ausübt.1. Electrical fuse, in particular for use in motor vehicles, with at least two connections ( 1 , 2 ) and a destructible conductor ( 5 ) provided between the connections, characterized in that
that the electrical fuse has an expansion element ( 11 , 20 , 30 , 31 ) made of a material whose coefficient of thermal expansion is different from the coefficient of thermal expansion of the conductor ( 5 ), and
that the conductor ( 5 ) and the expansion element ( 11 , 20 , 30 , 31 ) are arranged with respect to one another such that at a certain temperature of the expansion element ( 11 , 20 , 30 , 31 ), the expansion element causes a breakage of the conductor ( 5 ) exerts leading mechanical pressure on the conductor ( 5 ). 2. Elektrische Sicherung nach Anspruch 1, dadurch gekennzeichnet, daß der Wärmeausdehnungskoeffizient des Dehnungselements (11, 20) größer ist als der Wärmeausdehnungskoeffizient des Leiters (5).2. Electrical fuse according to claim 1, characterized in that the thermal expansion coefficient of the expansion element ( 11 , 20 ) is greater than the thermal expansion coefficient of the conductor ( 5 ). 3. Schutzanspruch nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß das Dehnungselement (11, 20) aus Metall besteht und daß zwischen dem Leiter (5) und dem Dehnungselement (11, 20) ein Isolator (12) angeordnet ist. 3. Protection claim according to one of claims 1 or 2, characterized in that the expansion element ( 11 , 20 ) consists of metal and that an insulator ( 12 ) is arranged between the conductor ( 5 ) and the expansion element ( 11 , 20 ). 4. Elektrische Sicherung nach Anspruch 3, dadurch gekennzeichnet, daß das Dehnungselement (11, 20) vollständig von dem Isolator (12) umgeben ist.4. Electrical fuse according to claim 3, characterized in that the expansion element ( 11 , 20 ) is completely surrounded by the insulator ( 12 ). 5. Sicherung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Dehnungselement (11, 20) von dem Leiter (5) ringförmig umschlossen ist.5. Fuse according to one of the preceding claims, characterized in that the expansion element ( 11 , 20 ) by the conductor ( 5 ) is enclosed in a ring. 6. Sicherung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der ringförmige Leiter (5) mindestens eine Sollbruchstelle (18) aufweist.6. Fuse according to one of the preceding claims, characterized in that the annular conductor ( 5 ) has at least one predetermined breaking point ( 18 ). 7. Sicherung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß in dem ringförmigen Leiter auf einer Seite des ringförmigen Abschnitts (10) ein Isolator (17) vorgesehen ist.7. Fuse according to one of the preceding claims, characterized in that an insulator ( 17 ) is provided in the annular conductor on one side of the annular portion ( 10 ). 8. Sicherung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Dehnungselement (11, 20) dreidimensional ausgebildet ist.8. Fuse according to one of the preceding claims, characterized in that the expansion element ( 11 , 20 ) is three-dimensional. 9. Sicherung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Dehnungselement (11, 20, 30, 31) und der Leiter (5) wärmeleitend verbunden sind. 9. Fuse according to one of the preceding claims, characterized in that the expansion element ( 11 , 20 , 30 , 31 ) and the conductor ( 5 ) are thermally connected. 10. Sicherung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß dem Dehnungselement (11) eine Heizeinrichtung (14) zugeordnet ist.10. Fuse according to one of the preceding claims, characterized in that the expansion element ( 11 ) is associated with a heating device ( 14 ). 11. Sicherung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Leiter (5) ein Bimetallelement (30, 31, 32, 33) aufweist.11. Fuse according to one of the preceding claims, characterized in that the conductor ( 5 ) has a bimetallic element ( 30 , 31 , 32 , 33 ). 12. Sicherung nach Anspruch 11, dadurch gekennzeichnet, daß das Bimetallelement als Bimetallstreifen (30, 31, 32, 33) ausgebildet ist, der auf dem Leiter (5) angebracht ist.12. Fuse according to claim 11, characterized in that the bimetallic element is designed as a bimetallic strip ( 30 , 31 , 32 , 33 ) which is attached to the conductor ( 5 ). 13. Sicherung nach einem der Ansprüche 11 oder 12, dadurch gekennzeichnet, daß an dem Leiter (5) beidseitig Bimetallstreifen (30, 31, 32, 33) angeordnet sind.13. Fuse according to one of claims 11 or 12, characterized in that on the conductor ( 5 ) bimetal strips ( 30 , 31 , 32 , 33 ) are arranged on both sides. 14. Sicherung nach einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, daß die Bimetallstreifen (30, 31, 32, 33) mittels Ultraschallschweißen an dem Leiter (5) befestigt sind.14. Fuse according to one of claims 11 to 13, characterized in that the bimetallic strips ( 30 , 31 , 32 , 33 ) are attached to the conductor ( 5 ) by means of ultrasonic welding. 15. Sicherung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Leiter (5) Schmelzbruchstellen (8, 9, 15, 16) aufweist.15. Fuse according to one of the preceding claims, characterized in that the conductor ( 5 ) has melt fractures ( 8 , 9 , 15 , 16 ).
DE29913553U 1999-08-03 1999-08-03 Electrical fuse Expired - Lifetime DE29913553U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29913553U DE29913553U1 (en) 1999-08-03 1999-08-03 Electrical fuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29913553U DE29913553U1 (en) 1999-08-03 1999-08-03 Electrical fuse

Publications (1)

Publication Number Publication Date
DE29913553U1 true DE29913553U1 (en) 1999-12-30

Family

ID=8077027

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29913553U Expired - Lifetime DE29913553U1 (en) 1999-08-03 1999-08-03 Electrical fuse

Country Status (1)

Country Link
DE (1) DE29913553U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10004453A1 (en) * 2000-02-03 2001-08-09 Ust Umweltsensortechnik Gmbh Electronic fuse has adhesion agent for ensuring connection between metallic electric conductor and ceramic carrier material
EP3736846A1 (en) * 2019-05-07 2020-11-11 Littelfuse, Inc. Active/passive automotive fuse module

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10004453A1 (en) * 2000-02-03 2001-08-09 Ust Umweltsensortechnik Gmbh Electronic fuse has adhesion agent for ensuring connection between metallic electric conductor and ceramic carrier material
DE10004453B4 (en) * 2000-02-03 2009-08-13 Ust Umweltsensortechnik Gmbh Electric fuse and method for its manufacture
EP3736846A1 (en) * 2019-05-07 2020-11-11 Littelfuse, Inc. Active/passive automotive fuse module
US11355300B2 (en) 2019-05-07 2022-06-07 Littelfuse, Inc. Active/passive automotive fuse module

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000203

R021 Search request validly filed

Effective date: 19990907

R163 Identified publications notified

Effective date: 20000328

R150 Term of protection extended to 6 years

Effective date: 20021126

R151 Term of protection extended to 8 years

Effective date: 20050909

R152 Term of protection extended to 10 years

Effective date: 20071030

R081 Change of applicant/patentee

Owner name: LITTELFUSE AUTOMOTIVE GMBH, DE

Free format text: FORMER OWNER: WILHELM PUDENZ GMBH, 27243 DUENSEN, DE

Effective date: 20080325

R071 Expiry of right