EP1198810A1 - Dispositif de protection pour un contact, en particulier pour un contact d'une cartouche fusible - Google Patents
Dispositif de protection pour un contact, en particulier pour un contact d'une cartouche fusibleInfo
- Publication number
- EP1198810A1 EP1198810A1 EP00954543A EP00954543A EP1198810A1 EP 1198810 A1 EP1198810 A1 EP 1198810A1 EP 00954543 A EP00954543 A EP 00954543A EP 00954543 A EP00954543 A EP 00954543A EP 1198810 A1 EP1198810 A1 EP 1198810A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- fuse
- protection device
- fuse link
- protection
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/16—Adaptation for built-in fuse
- H01H21/165—Fuses mounted on, or constituting the movable contact parts of, the switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
Definitions
- Protection device - for a contact, in particular for a contact of a fuse link
- the present invention relates to a protective device for a contact, in particular for a contact of a fuse link.
- the protective device comprises a contact protection element made of conductive material, which completely covers the contact, at least in the effective range of a mating contact.
- the area of action of a mating contact is to be understood as the area which is in the immediate vicinity of the mating contact and, when used as intended, comes into contact with the mating contact or in which the distance from the contact to the mating contact becomes so small that a sparkover occurs due to different potentials a switching arc can occur.
- the contact protection element is preferably designed as a contact protection socket into which a contact area, in particular a fuse link, can be inserted essentially completely. This ensures that when handling the
- the contact protection element designed as a contact protection pan shields and protects the contact area in all directions. It is also
- the contact protection pan 35 possible to dimension the contact protection pan larger than the contact to be protected, so that the contact protection pan extends, for example, at least over insulation regions adjacent to the contact. This ensures an optimal protective function of the contact.
- the contact protection element preferably consists of copper, silver or gold and has a thickness of at least 0.5 mm, preferably a thickness of 1 mm to 2 mm. On the one hand, this ensures good conductivity of the protective device and low contact resistance, and on the other hand the material has a sufficient thickness so that despite any signs of wear and tear on this protective device, the service life is at least not below the average service life of the other components of the system.
- the contact protection element is designed such that it only contacts the main cap, but is at a distance from the closure cap closing the sand fill hole. It is thereby achieved that the closure cap of the fuse link is no longer required for closing the circuit.
- the circuit is closed directly via the main cap of the fuse link, which avoids high contact resistance between the main cap and the sealing cap and the associated line losses.
- the contact protection element has two contact points which protrude beyond a shielding level of the contact protection element. This geometry is particularly suitable for the exact positioning of an essentially spherical segment-shaped counter-contact between the two Position contact points.
- the contact points are preferably welded on and preferably consist of a tin-silver compound. 5
- the invention further relates to a fuse plug for a circuit breaker unit with a receiving area for a fuse insert, the fuse plug according to the invention having a protective device and a contact protection element as described above.
- the invention also relates to a rocker switch for a switch fuse unit, into which a fuse link or a fuse plug with a receiving area for a 15 fuse link can be inserted, the rocker switch having a protective device and a contact protection element, as described above.
- FIG. 1 shows a cross-sectional view of a first embodiment of a protective device according to the invention
- FIG. 2 shows a plan view of the embodiment of the protective device according to the invention shown in FIG. 1;
- Fig. 3 shows an embodiment of a switch fuse unit according to the invention with a second embodiment of a protective device according to the invention.
- Fig. 1 shows a protective device 10 according to the invention for a contact with a contact protection element 11, which as
- contact protection pan is formed.
- a contact Protective pan trained contact protection element 11 is, in Fig. 1 from above, a contact of a fuse link substantially completely usable.
- the contact is then shielded from side walls 15 of the contact protection element 11 on almost all sides.
- the shielding in the interrupted area of the side walls 15 is ensured by a step 16 of the contact protection element 11.
- the protective device 10 furthermore has a fastening device 13 which is connected to the contact protective element 11 and extends parallel to the side walls 15 of the contact protective element 11.
- This fastening device 13 can e.g. be securely attached to a rocker switch or fuse plug in a switch fuse unit.
- the protection device 10 further comprises two contact points 12 on the underside of the contact protection element. In the illustration shown in FIG. 1, only one of the contact points 12 is visible.
- Fig. 2 shows the embodiment shown in Fig. 1 in a plan view from below.
- the two contact points 12 are clearly visible in FIG. 2, between which and in contact with which a mating contact is securely positioned.
- the side walls 15 of the contact protection socket are also indicated in FIG. 2.
- the protective device shown in FIGS. 1 and 2 consists of copper, the individual elements having a thickness of approximately 1.5 mm.
- the contact points 12 consist of a tin-silver alloy and are welded onto the contact protection pan 11.
- Fig. 3 is a switch fuse unit 20 with a Switch rocker 30 according to the invention is shown, which includes the protective device 10 shown in FIGS. 1 and 2.
- the protective device 10 is fixedly connected to the rocker switch 30, so that it is mounted so that it can be moved back and forth between a switch-on position and a switch-off position.
- the rocker switch is in its on position.
- a fuse plug 40 with a fuse link 50 is inserted into the rocker switch 30.
- the fuse link 50 has as a contact a main cap 51 with a sand fill hole, which is closed with a closure cap 52.
- the rocker switch 30 and the protective device 10 are designed in such a way that, by inserting the fuse plug 40 and the fuse insert 50, the closure cap 52 of the fuse insert 50 is automatically guided into the protective device 10 designed as a contact protection socket, but not contacted them.
- the closure cap 52 of the fuse link 50 is completely shielded by the contact protection element 11.
- the contact is established between a bottom area of the main cap 51 of the fuse link 50 and the protective device 10.
- the closure cap 52 is bypassed in the circuit, so that the high contact resistances between the main cap 51 and the closure cap 52 and the line losses caused thereby are avoided.
- the distance between the closure cap 52 and the area of the protective device 10 below it is less than a height of the closure cap 52, so that the closure cap 52 cannot be blown off, for example, by a higher pressure inside the fuse insert 50 that arises when the fuse blows. Such one Blowing off and loosening the closure cap 52 would result in sand or similar material being able to escape from the interior of the fuse link 50 and damage the switch fuse unit 20.
- a spring 53 is arranged so that it prestresses the protective device 10 and presses the protective device 10 against the fuse insert 50 in order to ensure reliable contact between the contact protective element 11 and the main cap 51 of the fuse insert 50.
- a spring-loaded counter contact 60 acts exclusively against the contact element 11, i.e. there is no contact between the main cap 51 or the sealing cap 52 of the fuse link 50 and the mating contact 60.
- the main cap 51 and the closure cap 52 are shielded by the contact protection element 11 to such an extent that the mating contact 60 cannot come into such a close proximity to them that a sparkover due to different potentials or a switching arc can occur.
- a protective device 10 in the switch protection unit 20 is only an example of use.
- the protective device according to the invention can also be used in other security systems, in particular anti-rotation and plug-in security systems, but also to protect any contacts which for example, due to switching operations or possible switching arcs.
Landscapes
- Fuses (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29912857U DE29912857U1 (de) | 1999-07-22 | 1999-07-22 | Schutzvorrichtung für einen Kontakt, insbesondere für einen Kontakt eines Sicherungseinsatzes |
DE29912857U | 1999-07-22 | ||
DE1999134537 DE19934537C1 (de) | 1999-07-22 | 1999-07-22 | Schutzvorrichtung für einen Kontakt eines Sicherungseinsatzes |
DE19934537 | 1999-07-22 | ||
PCT/EP2000/006939 WO2001008183A1 (fr) | 1999-07-22 | 2000-07-20 | Dispositif de protection pour un contact, en particulier pour un contact d'une cartouche fusible |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1198810A1 true EP1198810A1 (fr) | 2002-04-24 |
EP1198810B1 EP1198810B1 (fr) | 2004-05-19 |
Family
ID=26054304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00954543A Expired - Lifetime EP1198810B1 (fr) | 1999-07-22 | 2000-07-20 | Dispositif de protection pour un contact, en particulier pour un contact d'une cartouche fusible |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1198810B1 (fr) |
AT (1) | ATE267454T1 (fr) |
AU (1) | AU6696400A (fr) |
CZ (1) | CZ2002241A3 (fr) |
DE (1) | DE50006512D1 (fr) |
PL (1) | PL195578B1 (fr) |
WO (1) | WO2001008183A1 (fr) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2191234B1 (fr) * | 1972-06-28 | 1976-08-06 | Faeam | |
DE2648714A1 (de) * | 1976-10-27 | 1978-05-03 | Geyer Gmbh & Co Christian | Sicherungs-lastschalter |
DE2915090C2 (de) * | 1979-04-12 | 1982-03-04 | Siemens AG, 1000 Berlin und 8000 München | Niederspannungs-Lastschalter mit Sicherung |
DE3447943A1 (de) * | 1984-02-24 | 1985-11-21 | Klaus 8600 Bamberg Bruchmann | Schaltersicherungseinheit |
DE4435828C1 (de) * | 1994-10-07 | 1996-04-25 | Woehner Alfred Gmbh | Schaltbarer mehrpoliger Sicherungssockel |
-
2000
- 2000-07-20 AT AT00954543T patent/ATE267454T1/de not_active IP Right Cessation
- 2000-07-20 CZ CZ2002241A patent/CZ2002241A3/cs unknown
- 2000-07-20 DE DE50006512T patent/DE50006512D1/de not_active Expired - Fee Related
- 2000-07-20 EP EP00954543A patent/EP1198810B1/fr not_active Expired - Lifetime
- 2000-07-20 WO PCT/EP2000/006939 patent/WO2001008183A1/fr active IP Right Grant
- 2000-07-20 AU AU66964/00A patent/AU6696400A/en not_active Abandoned
- 2000-07-20 PL PL00353060A patent/PL195578B1/pl unknown
Non-Patent Citations (1)
Title |
---|
See references of WO0108183A1 * |
Also Published As
Publication number | Publication date |
---|---|
PL353060A1 (en) | 2003-10-06 |
EP1198810B1 (fr) | 2004-05-19 |
ATE267454T1 (de) | 2004-06-15 |
AU6696400A (en) | 2001-02-13 |
WO2001008183A1 (fr) | 2001-02-01 |
DE50006512D1 (de) | 2004-06-24 |
CZ2002241A3 (cs) | 2002-06-12 |
PL195578B1 (pl) | 2007-10-31 |
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