WO1999008303A1 - Sicherung mit kodierung - Google Patents
Sicherung mit kodierung Download PDFInfo
- Publication number
- WO1999008303A1 WO1999008303A1 PCT/EP1998/005009 EP9805009W WO9908303A1 WO 1999008303 A1 WO1999008303 A1 WO 1999008303A1 EP 9805009 W EP9805009 W EP 9805009W WO 9908303 A1 WO9908303 A1 WO 9908303A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fuse
- coding
- holder
- tongue
- nominal current
- Prior art date
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
- H01H85/24—Means for preventing insertion of incorrect fuse
Definitions
- the invention relates to a fuse with a fuse holder according to the preamble of claim 1.
- Such a fuse with a fuse holder is known from DE 38 40 511 C2.
- This known fuse has a fuse holder that contains a fuse link for a certain rated current.
- the fuse link can be inserted into a shaft in the fuse housing, the fuse containing a coding device.
- the inner contour of the shaft of the fuse holder is adapted to the outer contour of the fuse link, an adapter bracket being required to accommodate fuse links with a lower nominal current value.
- Fuses with a fuse holder for insertion into a fuse housing are also known from DE 29 03 826 C2.
- the fuse housing usually includes a fuse switch, in which an on-off switch is provided in addition to the slot for the fuse holder and the required external connection options.
- the fuse link (the actual fuse) is inserted into the fuse holder of this fuse.
- the fuse links have different sized foot contacts for certain nominal currents with otherwise the same dimensions.
- a separate fuse holder was provided for a fuse link with a certain nominal current, this fuse holder in turn only fitting into a certain fuse housing. This prevented a line network from being fused incorrectly, for example after a blown fuse link was replaced.
- the disadvantage of this arrangement (DE 29 03 826 C2) is that not only one for each nominal current Fuse link, but also a separate fuse holder and a separate fuse housing are required.
- the invention is based on the object of designing the fuse mentioned at the outset in such a way that the coding device is simplified and easier to handle.
- an automatic coding is provided according to the invention, which ensures that the fuse holder can only be inserted into the shaft in the housing of the fuse if there is a suitable fuse link in the fuse holder. If a fuse link with an excessively high nominal current is incorrectly inserted into the fuse holder, which poses a danger to a line network not designed for this nominal current, the fuse holder with the wrong fuse insert cannot be inserted into the shaft.
- Figure 1 is a partially broken side view of the housing of a fuse with an inserted fuse holder, with a fuse insert with a small nominal current is in the fuse holder.
- Figure 2 is a plan view, partly in section, of the fuse holder and the fuse of Fig. 1.
- FIG. 3 shows a side view as in FIG. 1, a fuse link with a large rated current being located in the fuse holder;
- Fig. 4 is a plan as in Figure 2 of the fuse holder and the fuse of Fig. 3.
- Fig. 5 is a view of a coding insert.
- a fuse 1 is in the form of a Fuse switch shown for installation in control panels. As shown in particular in FIG. 1, in the installed and switched-on state, the current flows from a first connection terminal 2 to a fuse holder 4 with a fuse link 6 and from there to a second connection terminal (not shown).
- the fuse link 6 has a head contact 8 and a foot contact 10.
- the diameter of the foot contact 10 depends in a standardized manner on the nominal current of the fuse link 6; Fuse links 6 with high nominal currents have foot contacts 10 with large diameters and fuse links with small nominal currents have those with small diameters.
- the fuse holder 4 is removably accommodated in a shaft 12 in the housing of the fuse 1.
- the shaft 12 is a fixed part of the housing of the fuse 1 and takes the fuse holder 4 with little lateral play. In the shaft 12, the fuse holder 4 can only be moved in the direction of its longitudinal axis, which is also the longitudinal axis of the shaft 12.
- the fuse holder 4, which is otherwise made of insulating plastic, contains a conductive head contact rail 14, which leads the current to the head contact 8 of the fuse link 6.
- the foot contact 10 of the fuse link 6 is connected to an elastic spring contact 16.
- the spring contact 16 leads to the second connection terminal of the fuse 1.
- the fuse holder 4 can be removed from the fuse 1 to replace the fuse link 6.
- the fuse holder 4 is pulled out of the shaft 12 by pulling in the longitudinal direction.
- the fuse link 6 is elastically clamped in the fuse holder 4 and usually contains a fuse.
- the fuse holder 4 is secured by a locking device (not shown) in the shaft 12 of the fuse 1 held.
- the fuse holder 4 is provided on one of its four long sides, preferably on the side opposite the head contact rail 14, with a resilient coding tongue 20, one end of which is firmly connected to the compact head part of the fuse holder 4.
- the other, free end of the resilient coding tongue (tongue) 20 is provided with an extension 22 which faces the interior of the fuse holder 4 and which, when the fuse link 6 is inserted, rests against its foot contact 10.
- the resilient coding tongue 20 and the projection 22 are dimensioned such that the free end of the tongue 20 is located in a fuse link 6 with a small diameter of the foot part, that is to say with a small nominal current does not protrude beyond the level of the corresponding long side of the fuse holder 4.
- the fuse holder 4 with the fuse link 6 with a small nominal current can therefore be inserted into a shaft 12 with an essentially rectangular cross section, in which no cutout for the resilient coding tongue 20 is provided.
- the wall of the shaft 12 opposite the longitudinal wall of the fuse holder 4 with the resilient coding tongue 20 is somewhat recessed, and the Clearance between an inserted fuse holder 4 and the wall of the shaft 12 is taken up by a coding insert 24 and essentially filled.
- the coding insert 24 is a separate part of the fuse 1, which snaps into the shaft 12 on the housing walls of the fuse 1 and is provided with claws for this purpose (FIG. 5).
- the coding insert 24 can also be removed from the fuse 1 or replaced, but preferably only with the aid of a tool.
- a fuse holder 4 with a fuse insert 6 for a higher nominal current, ie with a slightly protruding resilient coding tongue 20, is to be insertable into the fuse 1
- a coding insert 24 with a corresponding recess 26 is inserted in or next to the shaft 12 (FIG. 4 ) used for the resilient coding tongue 20.
- the recess 26 has a width which corresponds to the width of the resilient coding tongue 20, wherein of course the resilient coding tongue 20 can be as wide as the fuse holder 4 in extreme cases.
- the coding insert 24, as shown in FIGS. 1 and 2 does not need to have a pronounced recess 26, ie it can have a recess 26 of zero depth.
- a coding insert 24 is provided for the diameter of the foot contact 10, which gradually increases with increasing nominal current, in which the depth of the recess 26 corresponds exactly to the increase in the radius of the foot contact 10.
- a corresponding set of coding inserts 24 with recesses 26 of different depths can be provided for a set of fuse links 6 with different nominal currents and corresponding different foot contact diameters.
- the fuse holder 4 and the housing of the fuse 1 always remain the same for all nominal currents.
- the coding inserts 24 can with the standardized Identification colors for the different nominal currents can be provided.
Landscapes
- Fuses (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Telephone Function (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Earth Drilling (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK98947420T DK1002326T3 (da) | 1997-08-07 | 1998-08-07 | Sikring med kodeindretning |
AT98947420T ATE216129T1 (de) | 1997-08-07 | 1998-08-07 | Sicherung mit kodierung |
PL338471A PL191068B1 (pl) | 1997-08-07 | 1998-08-07 | Bezpiecznik z urządzeniem kodującym |
DE59803759T DE59803759D1 (de) | 1997-08-07 | 1998-08-07 | Sicherung mit kodierung |
EP98947420A EP1002326B1 (de) | 1997-08-07 | 1998-08-07 | Sicherung mit kodierung |
AU94346/98A AU9434698A (en) | 1997-08-07 | 1998-08-07 | Fuse with coding |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1997134234 DE19734234C2 (de) | 1997-08-07 | 1997-08-07 | Sicherung mit Kodierung |
DE29714132U DE29714132U1 (de) | 1997-08-07 | 1997-08-07 | Sicherung mit automatischer Kodierung |
DE19734234.5 | 1997-08-07 | ||
DE29714132.5 | 1997-08-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999008303A1 true WO1999008303A1 (de) | 1999-02-18 |
Family
ID=26038933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1998/005009 WO1999008303A1 (de) | 1997-08-07 | 1998-08-07 | Sicherung mit kodierung |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1002326B1 (de) |
AT (1) | ATE216129T1 (de) |
AU (1) | AU9434698A (de) |
DE (1) | DE59803759D1 (de) |
DK (1) | DK1002326T3 (de) |
PL (1) | PL191068B1 (de) |
WO (1) | WO1999008303A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103811238A (zh) * | 2012-11-01 | 2014-05-21 | 矢崎总业株式会社 | 保险丝安装结构 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2042273A (en) * | 1979-02-01 | 1980-09-17 | Lindner Gmbh | Electric fuse holder for fuse cartridges |
WO1985003617A2 (en) * | 1984-02-24 | 1985-08-29 | Klaus Bruchmann | Safety switch unit |
EP0180008A2 (de) * | 1984-10-27 | 1986-05-07 | R. Stahl Schaltgeräte GmbH | Sicherungselement |
EP0198460A2 (de) * | 1985-04-15 | 1986-10-22 | Klaus Bruchmann | Schaltersicherungseinheit |
DE3840511A1 (de) * | 1988-02-04 | 1989-08-24 | Lindner Gmbh | Elektrischer schmelzsicherungsschalter |
-
1998
- 1998-08-07 WO PCT/EP1998/005009 patent/WO1999008303A1/de active IP Right Grant
- 1998-08-07 EP EP98947420A patent/EP1002326B1/de not_active Expired - Lifetime
- 1998-08-07 PL PL338471A patent/PL191068B1/pl not_active IP Right Cessation
- 1998-08-07 DK DK98947420T patent/DK1002326T3/da active
- 1998-08-07 DE DE59803759T patent/DE59803759D1/de not_active Expired - Fee Related
- 1998-08-07 AU AU94346/98A patent/AU9434698A/en not_active Abandoned
- 1998-08-07 AT AT98947420T patent/ATE216129T1/de not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2042273A (en) * | 1979-02-01 | 1980-09-17 | Lindner Gmbh | Electric fuse holder for fuse cartridges |
WO1985003617A2 (en) * | 1984-02-24 | 1985-08-29 | Klaus Bruchmann | Safety switch unit |
EP0180008A2 (de) * | 1984-10-27 | 1986-05-07 | R. Stahl Schaltgeräte GmbH | Sicherungselement |
EP0198460A2 (de) * | 1985-04-15 | 1986-10-22 | Klaus Bruchmann | Schaltersicherungseinheit |
DE3840511A1 (de) * | 1988-02-04 | 1989-08-24 | Lindner Gmbh | Elektrischer schmelzsicherungsschalter |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103811238A (zh) * | 2012-11-01 | 2014-05-21 | 矢崎总业株式会社 | 保险丝安装结构 |
Also Published As
Publication number | Publication date |
---|---|
ATE216129T1 (de) | 2002-04-15 |
DE59803759D1 (de) | 2002-05-16 |
PL338471A1 (en) | 2000-11-06 |
DK1002326T3 (da) | 2002-07-08 |
PL191068B1 (pl) | 2006-03-31 |
AU9434698A (en) | 1999-03-01 |
EP1002326A1 (de) | 2000-05-24 |
EP1002326B1 (de) | 2002-04-10 |
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