EP1198816B1 - Abgreif-fusskontakt für sicherungseinsätze - Google Patents

Abgreif-fusskontakt für sicherungseinsätze Download PDF

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Publication number
EP1198816B1
EP1198816B1 EP00951409A EP00951409A EP1198816B1 EP 1198816 B1 EP1198816 B1 EP 1198816B1 EP 00951409 A EP00951409 A EP 00951409A EP 00951409 A EP00951409 A EP 00951409A EP 1198816 B1 EP1198816 B1 EP 1198816B1
Authority
EP
European Patent Office
Prior art keywords
foot contact
tapping foot
contact
tapping
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
EP00951409A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1198816A1 (de
Inventor
Klaus Bruchmann
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE29912856U external-priority patent/DE29912856U1/de
Priority claimed from DE1999134538 external-priority patent/DE19934538C1/de
Application filed by Individual filed Critical Individual
Publication of EP1198816A1 publication Critical patent/EP1198816A1/de
Application granted granted Critical
Publication of EP1198816B1 publication Critical patent/EP1198816B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/2005—Bases for supporting the fuse; Separate parts thereof for use with screw-in type fuse
    • 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
    • H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
    • H01H85/545—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers with pivoting fuse carrier

Definitions

  • the present invention relates to a tapping foot contact for fuse links with a main cap Sand fill hole, which is closed by a cap, as well as a switch fuse unit and a screw or plug-in fuse with such a tapping foot contact.
  • the intended fuse links consist of a usually cylindrical, ceramic base body, the on one side through a cover made of conductive material completed with a contact. On the opposite The fuse link faces the side of the ceramic base body a main cap made of conductive material with a sand fill hole on.
  • a fuse element extends on both sides between the ceramic base body and the lid or the Main cap is clamped, so that an electrically conductive Connection is established.
  • tapping foot contact is designed so that he when using a fuse link as intended contacted only the main cap of the fuse link and with the cap of the fuse link Distance is arranged.
  • the circuit is connected to the cover of the fuse link, the fuse element, the main cap and of this is closed directly via the tapping foot contact.
  • the high contact resistance between the main cap and the sealing cap are avoided so that line losses are avoided become.
  • Tapping foot contact is, depending on the type and geometry of the fuse, the main cap from the tapping foot contact on one Underside or contacted on a side surface of the main cap.
  • the tapping foot contact essentially has the Form of a cylinder closed on one side. With his the tapping foot contact contacts the open edge surface Main cap of the fuse link, this geometry both a contact on a bottom as well as a Contact on one side of the main cap allows.
  • the tapping foot contact essentially the shape of a one-sided Has cylinder segment. This will make the main cap of the Fuse link only in some selected places contacted, which in particular a material saving and resulting in a reduction in the total weight.
  • the tapping foot contact is preferably designed such that at Intended use of a fuse link between Cap and areas of the tapping foot contact so there is a small distance that the cap is not from the Main cap is removable. The distance is with a lid-shaped The closure cap is therefore less than the thickness of the side edge the cap.
  • the tapping foot contact when using a fuse link as intended a maximum of three contact points with the main cap on. This makes a clear with less material defined position of the tapping foot contact relative to the Fuse insert guaranteed.
  • tapping foot contact can be positioned furthermore in particular by spring pretensioning of the tapping foot contact get supported.
  • the tapping foot contacts a contact sheet and a security sheet, wherein the contact arc can be fork-shaped or includes an elongated hole for receiving the cap.
  • This Embodiments are particularly for switchable contacts, e.g. in switch fuse units, preferred.
  • the tapping foot contact is preferably made of good conductivity Material, in particular made of copper, silver or gold.
  • the invention further relates to a circuit breaker unit, in which a fuse link can be inserted.
  • An inventive Switch fuse unit includes an inventive Tapping foot contact as described above.
  • the tapping foot contact e.g. attached to a rocker switch and be pivotally connected to it, or the tapping foot contact can on a housing of the switch fuse unit be attached.
  • the switch fuse unit according to the invention can one swiveling fuse plug to hold a fuse link include.
  • the fuse link in the housing of the switch fuse unit is preferred between an on position and can be swiveled back and forth, be it independently or together with the safety plug or the Rocker.
  • the invention further relates to a screw or plug fuse with a tapping foot contact according to the invention.
  • a screw or plug fuse with a tapping foot contact according to the invention.
  • fuse links with a main cap with sand fill hole be used which is closed by a cap is the tapping foot contact according to the invention while avoiding the disadvantages of the prior art can be used.
  • Fig. 1 shows the structural structure of an intended Fuse insert 20.
  • the fuse insert 20 consists of a ceramic, essentially cylindrical Base body 21, which has a cover 22 on one side conductive material is completed. On the opposite The base body 21 is replaced by a with a Sand fill hole 29 provided main cap 23 made of conductive material completed.
  • a fuse element 24 runs through the interior of the ceramic Base body 21 diagonally and is between the base body 21 and the cover 22 and the main cap 23 are clamped to one ensure conductive connection.
  • the interior of the base body 21 is made via the sand fill hole 29 filled with sand 25 and then with a cap 26 closed.
  • the tapping foot contact 10 consists of a cylindrical surface 11, which extends over an angular range of approximately 270 ° extends, while the remaining approximately 90 ° no cylindrical surface and define an open area.
  • the tapping foot contact 10 has a base plate 12 which in a fastening area running perpendicular to the base plate 12 13 passes.
  • the tapping foot contact contacts the main cap 23 of the fuse link 20 over an interrupted, annular Contact area 28.
  • the distance between the bottom plate 12 of the tapping foot contact 10 and the lid area of the closure cap 26 is clear less than the height of the cap 26 so that the cap 26 not removed from the main cap 23 or e.g. repelled by increasing the pressure inside the base body 21 can be.
  • the Distance about 1.5 mm.
  • the circuit of the system shown is via a cover contact 30, the cover 22, the fuse element 24 and of these closed directly via the tapping foot contact 10.
  • Fig. 2 shows that shown in cross section in Fig. 1 Tapping foot contact in perspective. Clear The interrupted, cylindrical jacket 11 is visible here the tapping foot contact 10 and the annular contact area 28th
  • the tapping foot contact 10 is completed with a base plate 12, which merges into the fastening area 13.
  • Tapping foot contact can be used in switch fuse units as well as in screw or plug securing devices be used.
  • this embodiment of the tapping foot contact 10 preferably on a rocker switch of the switch fuse unit attached. But it can also on the housing the switch fuse unit, e.g. as springy Contact or it is with the swiveling safety plug connected.
  • Fig. 3 shows a second embodiment of an inventive Tapping foot contact 40 with a fuse link 20.
  • the tapping foot contact 40 consists essentially of a flat contact plate 41 from which a protective area 42 is punched out and from the plane through the contact plate 41 is formed, has been brought out.
  • Contact plate 41 and Protection zone 42 are connected to one another by a web 43.
  • the fuse link 20 has a main cap 23 with a Sand fill hole 29 (see Fig. 1) on that with a cap 26 is complete.
  • the contact plate 41 of the tapping foot contact 40 touches the main cap 23 on its underside. Both the edges of the contact plate 41 and the protective area 42 and the web 43 of the tapping foot contact 40 touch not the closure cap 26 of the fuse link 20, but are spaced from it.
  • the distance between the protective area 42 and the closure cap 26, as in the embodiment shown in Fig. 1, less than the height of the cap 26 so that the cap 26th not removed from the main cap 23 or possibly by one increased pressure within the fuse link 20 be blown off or pushed away from the main cap 23 can.
  • Fig. 4 shows the embodiment shown in Fig. 3 in a sectional view rotated by 90 ° along the line A-A.
  • this sectional view is the side boundaries both the contact plate 41 and the protective area 42 clearly visible.
  • Both the edge areas of the contact plate 4i as well as the protection area 42 are also shown in FIGS recognizable directions at a distance from the closure cap 26 the fuse link 20 arranged.
  • FIG. 5 shows a further embodiment of a tapping foot contact 50.
  • the tapping foot contact 50 is only partial in one switch fuse unit 60 shown arranged, a fuse plug 61 for receiving a fuse link 20 has.
  • the safety plug 61 is together with the fuse link 20 between that shown in FIG. 5 Switch-off position and the switch-on position shown in FIG. 6 swivels back and forth.
  • the tapping foot contact 50 comprises a fork-shaped contact arch 51, the on two sides of the cap 26 with Distance to this runs and the main cap 23 of the fuse link 20 contacted on their underside.
  • the Contact arch 51 is therefore both in that shown in Fig. 5 Switch-off position as well as in the shown in Fig. 6 Always on with the underside of the main cap 23 the fuse link 20 in contact.
  • the tapping foot contact 50 is by means of a spring 55 (shown schematically) preloaded so that the contact sheet 51 against the bottom the main cap 23 of the fuse link 20 is pressed to to ensure safe contact at all times.
  • the tapping foot contact 50 also has a safety arch 52 on, which is below the cap 26 of the fuse link 20 extends.
  • the securing sheet 52 of the Tapping foot contact 50 does not touch the cap 26 in any Position of the fuse plug 61, but only secures the cap 26, as described above, against an unwanted Blowing off the closure cap 26 from the main cap 23 the fuse link 20.
  • FIG. 6 shows the part of a circuit breaker unit shown in FIG. 5 60, with the safety plug 61 in in an on position.
  • the contact arc 51 is in the on position of the Fuse plug 61 still in contact with the bottom the main cap.23 of the fuse link 20.
  • the safety bow 52 is now directly below and parallel to the cap 26 of the fuse link 20.
  • the fork-shaped contact sheet 51 also has a contact sheet an elongated hole can be provided in which the closure cap 26 of the fuse link 20 extends. The Elongated hole is then formed so that the cap 26 in no position of the safety plug 61 with the contact bow comes into contact.
  • the contact sheet may have only one recess to provide, in which the cap 26 of the fuse link 20 is insertable without touching the contact sheet.
  • the tapping foot contact is articulated, so that the relative position of the contact sheet and the locking sheet to the fuse link 20 and the Safety plug 21 during the back and forth swiveling of the Safety plug 61 does not change.

Landscapes

  • Fuses (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Manufacture Of Switches (AREA)
EP00951409A 1999-07-22 2000-07-20 Abgreif-fusskontakt für sicherungseinsätze Expired - Lifetime EP1198816B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE29912856U DE29912856U1 (de) 1999-07-22 1999-07-22 Abgreif-Fußkontakt für Sicherungseinsätze
DE19934538 1999-07-22
DE29912856U 1999-07-22
DE1999134538 DE19934538C1 (de) 1999-07-22 1999-07-22 Abgreif-Fußkontakt für Sicherungseinsätze
PCT/EP2000/006941 WO2001008189A1 (de) 1999-07-22 2000-07-20 Abgreif-fusskontakt für sicherungseinsätze

Publications (2)

Publication Number Publication Date
EP1198816A1 EP1198816A1 (de) 2002-04-24
EP1198816B1 true EP1198816B1 (de) 2004-05-19

Family

ID=26054305

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00951409A Expired - Lifetime EP1198816B1 (de) 1999-07-22 2000-07-20 Abgreif-fusskontakt für sicherungseinsätze

Country Status (7)

Country Link
EP (1) EP1198816B1 (cs)
AT (1) ATE267456T1 (cs)
AU (1) AU6435900A (cs)
CZ (1) CZ2002240A3 (cs)
DE (1) DE50006513D1 (cs)
PL (1) PL196127B1 (cs)
WO (1) WO2001008189A1 (cs)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE290027C (cs) *
FR613552A (fr) * 1925-03-31 1926-11-24 Comp Generale Electricite Coupe-circuit à éléments porte-fusibles mobiles ininterchangeables
US2668215A (en) * 1948-08-07 1954-02-02 Mcgraw Electric Co Holder for cartridge enclosed protectors for electric circuits
US2851671A (en) * 1955-09-30 1958-09-09 Chamberlain Products Corp Electrical fuse block
DE1761280U (de) * 1957-12-17 1958-02-13 Schurter Ag H Sicherungshalter fuer geraeteschutz-schmelzsicherungseinsaetze.
DE1463471A1 (de) * 1963-10-25 1969-03-27 Pfisterer Elektrotech Karl Schalt- und Sicherungsarmatur
DE1297204B (de) * 1966-04-16 1969-06-12 Siemens Ag System von elektrischen Leitungsschutzsicherungen verschiedener Nennstromstaerke
DE3447943A1 (de) * 1984-02-24 1985-11-21 Klaus 8600 Bamberg Bruchmann Schaltersicherungseinheit

Also Published As

Publication number Publication date
EP1198816A1 (de) 2002-04-24
PL362771A1 (en) 2004-11-02
DE50006513D1 (de) 2004-06-24
WO2001008189A1 (de) 2001-02-01
AU6435900A (en) 2001-02-13
CZ2002240A3 (cs) 2002-06-12
PL196127B1 (pl) 2007-12-31
ATE267456T1 (de) 2004-06-15

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