EP2238659A1 - Elektrisches schutzbauelement mit kurzschlusseinrichtung - Google Patents
Elektrisches schutzbauelement mit kurzschlusseinrichtungInfo
- Publication number
- EP2238659A1 EP2238659A1 EP09706809A EP09706809A EP2238659A1 EP 2238659 A1 EP2238659 A1 EP 2238659A1 EP 09706809 A EP09706809 A EP 09706809A EP 09706809 A EP09706809 A EP 09706809A EP 2238659 A1 EP2238659 A1 EP 2238659A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clip
- electrical protection
- surge arrester
- protection component
- section
- 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
- 239000000155 melt Substances 0.000 claims abstract description 5
- 238000002844 melting Methods 0.000 claims description 36
- 230000008018 melting Effects 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000005476 soldering Methods 0.000 description 7
- 239000006096 absorbing agent Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T1/00—Details of spark gaps
- H01T1/14—Means structurally associated with spark gap for protecting it against overload or for disconnecting it in case of failure
Definitions
- the surge arrester has a hollow body, on which at least two electrodes are arranged.
- a surge arrester with two electrodes has a one-piece ceramic hollow body.
- the ceramic hollow body is divided by means of a central electrode into two separate parts. The two parts are arranged with a first side on a central electrode. On a second side of the two parts, an end electrode is arranged in each case.
- the electrical protection component has a thermal short-circuit device.
- the clip has at least two sections. At least a first portion of the clip is snapped onto the surge arrester and encompasses it by more than half.
- the first section of the shorting bar thus preferably serves for fastening the shorting bar to the surge arrester. At least the ends of the first section have a mechanical contact with the
- the ends of the first section may also be spaced from the surge arrester, wherein at least a portion of the first section is disposed on the surge arrester such that the
- Short circuit device can still be securely attached to the surge arrester.
- the remainder of the first portion may rest on or be spaced from the surge arrester.
- the clip includes at least a second portion surrounding the first portion and spaced from the first portion by a fuser member.
- the second portion has at one end a shorting bar which is radially spaced from the surge absorber. In the case of melting the fusible element, the shorting bar electrically connects at least two outer electrodes of the surge arrester.
- the first portion of the clip preferably surrounds the surge arrester by more than half. This will prevent the clip from firing the shorting mechanism is pushed away from the surge arrester.
- the first section of the clip thus serves as an abutment for the shorting bar.
- the third, middle electrode may have a slightly larger diameter than the two hollow bodies and the two end electrodes.
- the middle electrode may preferably project beyond the hollow bodies and the end electrodes in the radial direction.
- the clip comprises a bent ribbon which may have one or more recesses.
- the recesses serve to ensure that the clip can be fixed against slipping in the area of the middle electrode in the case of a 3-electrode arrester.
- the recesses preferably have the width of the central electrode, so that the central electrode protrudes partially into the recesses of the clip. Slippage of the clip in the axial direction is thereby suppressed.
- the fusible element In the region of the fusible element is preferably a recess, which is preferably slightly smaller in size than the fusible element, so that the fusible element can not slip through the recess and would make it difficult to snap the shorting clips on the surge arrester.
- the melting element has a gradation on at least one side, so that at least a part of the melting element protrudes into the recess.
- the melting element at least partially makes direct contact with the middle electrode of the Surge arrester on.
- the recess in the region of the melting element is preferably so large that the central electrode protrudes so far through the recess that the middle electrode has a direct contact with the melting element.
- the clip preferably comprises an elongated ribbon, with the shorting bar being wider than the rest of the clip.
- the first and second portions of the clip are formed by a one-piece part.
- the clip is composed of at least two parts.
- the first portion of the clip is formed by a first part and the second portion by a second part.
- the second section is formed by regions of the first part and of a second part.
- the parts of the clip made of different materials.
- At least the shorting bar is made of an electrically conductive material.
- a material with resilient properties is suitable. So that the clip of the short-circuiting device can exert permanent pressure on the fusible element, in particular a material comprising beryllium copper is suitable for this purpose. Beryllim copper is especially good for one
- the flat strip is brought in one embodiment, for example by bending in the desired shape.
- the two prepared parts are joined together and mechanically joined together.
- the two parts are directly connected to each other by means of a welded connection.
- the clip is preferably in the range of a middle
- the surge arrester electrode may also be a 2-electrode arrester, wherein the short-circuit bar is mechanically connected in this case, for example by means of a ring or a clamp in the region of the hollow body with the surge arrester.
- the melting element is preferably designed such that it melts at unacceptably high heating of the surge arrester.
- the fusible element may be made of a material comprising solder.
- materials comprising plastic are suitable.
- Particularly suitable are forms that have the largest possible volume with a small amount of material. In this case, in particular hollow body, such as tubular body are suitable.
- the fusible element is preferably arranged such that the shorting bar is spaced from the external electrodes by the fusible element.
- the clip presses on the outer electrodes of the surge arrester and electrically connects them to one another.
- the shorting bar connects the outer electrodes to the middle electrode.
- it is an overvoltage arrester in SMD design. It is also possible that this is a Surge arrester with wire contacts for conventional mounting acts.
- the shorting clip is designed such that the already pre-assembled shorting clip including fusible element, in particular after soldering the surge arrester to, for example, a mounting substrate on the
- Surge arrester is snapped on.
- the short circuit clip can also be snapped onto the surge arrester before mounting.
- the short-circuit clip thus has the advantage that it can be snapped on after soldering or soldering the surge arrester.
- the fusible element is already arranged in the preassembled shorting clip, so that the
- FIG. 1a shows an electrical protection component with an integral short-circuit clip in cross-section
- FIG. 1 b shows an electrical protection component with a short-circuit clip according to FIG. 1 a from below
- FIG. 1c shows the development of the shorting clip from FIG.
- FIG. 2 a shows a further embodiment of an electrical protection component with a multi-part shorting clip in cross section
- FIG. 2b shows the development of the shorting clip from FIG. 2a
- FIG. 3 a shows a further embodiment of an electrical protection component with a multi-part shorting clip in cross section
- FIG. 3b shows the development of the shorting clip from FIG. 2a
- FIG. 4 a shows an electrical protection component with a one-piece short-circuit clip in cross-section, wherein the fusible element is spaced from the surge arrester;
- FIG. 4b shows a part of the shorting clip with fusible element according to FIG. 4a
- FIG. 5a shows an electrical protection component with a one-piece short-circuit clip in cross section, with the fusible element in direct contact with the surge arrester,
- FIG. 5b shows a part of the shorting clip with fusible element according to FIG. 5a
- FIG. 6a shows a further electrical protection component with a one-piece short-circuit clip in cross-section, wherein the fuse element has a direct contact with the surge arrester
- FIG. 6b shows a part of the shorting clip with fusible element according to FIG. 5a.
- an electrical protection device which comprises a surge arrester 1.
- the Studentsnapssabieiters 1 has at the ends in each case an electrode 2, which are shown in Figure Ib.
- the surge arrester 1 has a central electrode 8, the hollow body 9 and the electrodes 2 in radial
- a short circuit clip 3 is snapped, having a first portion 4, the ends 4a and 4b on the surge arrester 1 present.
- a portion of the first portion 4 between the two ends 4a and 4b may be spaced from the surge arrester 1 and need not rest flush on the surge arrester 1.
- a second portion 5 of the clip 3 is spaced from the surge absorber 1.
- the second section 5 has a shorting bar 6 at one end.
- the shorting bar 6 of the second section 5 is spaced from the first section 4 b and thus also from the surge arrester 1 by means of a fusible element 7.
- the shorting bar 6 is biased by the spring force of the clip 3 and presses on the fusible element 7.
- the shorting bar 6 is designed such that it electrically connects the two electrodes 2 in the case of melting of the fusible element 7. With inadmissibly high heating of the surge arrester 1, the melting element 7 melts and thereby clears the way for the shorting bar 6, which presses on the melting element 7.
- the shorting bar 6 thus presses on the outer electrodes 2 of the surge arrester 1.
- FIG. 1c shows a development of the short-circuiting clip 3 from FIGS. 1a and 1b.
- the shorting clip 3 has the shorting bar 6 at one end of the second section 5.
- the width over the majority of the length of the shorting clip 3 is preferably smaller than the width of the shorting bar 6.
- the shorting clip 3 may have one or more recesses 9a, 9b.
- the recesses 9a, 9b are in the illustrated embodiment in a first portion 4 of the Short circuit clips 3.
- the second section 5 has more recesses.
- FIG. 2a shows a further embodiment of an electrical protection component with a
- Short-circuit device On a surge arrester 1, which has an electrode at the ends, a clip 3 is snapped.
- the clip 3 consists in this embodiment of two parts, wherein a first part forms a first portion 4 and a second portion 5 is formed by a second part.
- the first section 4 has two ends 4a and 4b which rest on the surge arrester 1.
- the region of the first portion 4 between the two ends 4a and 4b may be spaced from or resting on the surge absorber 1.
- a shorting bar 6 is arranged at one end of the second section 5.
- the shorting bar 6 presses on a melting element 7, which is arranged between the shorting bar 6 and the end 4 b of the first section 4 and thus also between the shorting bar 6 and the surge arrester 1.
- the melting element 7 melts and thereby clears the way for the shorting bar 6.
- the shorting bar 6 thus presses on the electrodes 2 and connects them electrically to one another.
- FIG. 2b shows the two unwound parts of the shorting clip 3 from FIG. 2a.
- the shorting clip 3 has the first section 4. Between the two ends 4a and 4b of the first portion 4 a plurality of recesses 9a, 9b are arranged.
- the recesses 9a, 9b serve to guide the clip 3 on the middle electrode 8.
- the recesses 9a, 9b preferably have a width on, which corresponds to the width of the central electrode 8.
- the melting element 7 is at least on the edges of the recess 9a.
- the fusible element 7, which has a gradation in the size of the recess 9a a direct thermal contact with the central electrode 8.
- the second portion 5 of the shorting clip 3 has at one end a shorting bar 6.
- the first section 4 is firmly connected to the second section 5 via at least two connection points.
- the second portion 5 is connected to the first portion 4 by means of welding spots, one or more welding lines or one or more welding surfaces.
- the width of the first section 4 preferably corresponds to the width of the second section 5.
- the width over most of the length of the shorting clip 3 is preferably smaller than the width of the shorting bar 6 at the end of the second section 5.
- FIG. 3 a shows a further embodiment of an electrical protection component with a
- Short-circuit device On a surge arrester 1, which has an outer electrode 2 at the ends, a short-circuit clip 3 is snapped.
- the shorting clip 3 in this embodiment consists of two parts, a first part forming a first section 4. A second
- Section 5 of the shorting clip 3 is formed by a tab 4c of the first part and a second part, wherein the two parts of the second section 5 are interconnected via at least two connection points.
- the first section 4 has two ends 4a and 4b which rest on the
- Surge arrester 1 rest. A portion of the first portion 4 between the two ends 4a and 4b may be spaced from the surge absorber 1. At one end of a second section 5, a shorting bar 6 is arranged. The shorting bar 6 presses on a melting element 7, which is arranged between the shorting bar 6 and the end 4 b of the first section 4 and thus also the surge arrester 1. In the case of melting of the fusible element 7, the shorting bar 6 thus presses on the outer electrodes 2 and connects them electrically to one another and to the middle electrode 8.
- the short circuit clip 3 has the first section 4. Between the two ends 4a and 4b of the first section 4, a recess 9a is arranged. A tab 4c of the first section 4 forms with a second part of the second section 5, wherein the tab 4c is firmly connected at least two connection points with the second part. Preferably, the second part is connected to the tab 4c of the first section 4 by means of welding.
- the second section 5 of the shorting clip 3 has a shorting bar 6 at one end.
- the width of the region 4c of the first part preferably corresponds to the width of the second section 5.
- the shorting clip 3 preferably has its greatest width in the region of the shorting bar 6 at the end of the second section 5.
- FIG. 4a shows a further embodiment of an electrical protection component according to FIG. 1a.
- an integral short-circuiting clip 3 is arranged, which has a first section 4 and a second section 5.
- the second section 5 of the shorting clip 3 is by means of a fusible element 7 in the region of the shorting bar 6 from the first section 4 of Short circuit clips 3 spaced.
- the melting element 7 has a size sufficient for the melting element 7 to rest on at least two sides of the edge of the recess 9a of the first section 4 of the shorting clip 3.
- the melting element 7 has no direct contact with the middle electrode 8 and thus also with the surge arrester 1.
- FIG. 4b shows an end 4b of the first section 4 of the shorting clip 3 according to FIG. 4a, the end 4b having a recess 9a.
- a melting element 7 is arranged in the region of the recess 9a.
- the melting element 7 is preferably arranged such that it rests on at least two sides of the edge of the recess 9a.
- FIG. 5a shows a further embodiment of an electrical protection component as shown in FIG. 1a.
- the gradation 10 is preferably only so large that the melting element 7 protrudes with the step 10 in the recess 9a.
- the predominant part of the fusible element 7 preferably has a size which is at least sufficient for the fusible element 7 to rest on at least two sides of the edge of the recess 9a.
- the melting element 7, by means of the step 10, preferably has a direct contact with the central electrode 8.
- the Schtnelzelement 7 thus has the best possible thermal contact with the central electrode 8 and thus to the surge arrester 1 in the figure 5a.
- FIG. 5b shows an end 4b of the first section of the shorting clip 3 according to FIG. 1a.
- the end 4b has a recess 9a, in the region of which a melting element 7 is arranged.
- the fusible element 7 protrudes with at least one step 10 into the recess 9a, preferably far enough that the fusible element 7 has a direct contact with the middle electrode.
- FIG. 6a shows a further embodiment of an electrical protection component as shown in FIGS. 4a and 5a.
- the recess 9a is preferably so large that the central electrode 8 protrudes into the recess 9a far enough that it has direct contact with the melting element 7.
- the melting element 7 is preferably so large that it rests on at least two sides of the edge of the recess 9a, wherein it preferably does not protrude into the space created by the recess 9a compared to the embodiment shown in FIGS. 5a and 5b.
- the fact that the central electrode 8 protrudes into the recess 9a so far that it has a direct contact with the melting element 7, the best possible thermal contact with the fusible element 7 is present.
- FIG. 6b shows an end 4b of the first section of the shorting clip according to FIG. 6a, the end 4b having a recess 9a.
- a melting element 7 is arranged in the region of the recess 9.
- the recess 9 a is preferably so large that a part of the middle electrode 8 has a direct contact with the fusible element 7.
- the invention is not limited to the number of elements shown.
Landscapes
- Fuses (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008006991 | 2008-01-31 | ||
| DE102008022794A DE102008022794A1 (de) | 2008-01-31 | 2008-05-08 | Elektrisches Schutzbauelement mit Kurzschlusseinrichtung |
| PCT/EP2009/000515 WO2009095206A1 (de) | 2008-01-31 | 2009-01-27 | Elektrisches schutzbauelement mit kurzschlusseinrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2238659A1 true EP2238659A1 (de) | 2010-10-13 |
| EP2238659B1 EP2238659B1 (de) | 2011-11-09 |
Family
ID=40822264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09706809A Not-in-force EP2238659B1 (de) | 2008-01-31 | 2009-01-27 | Elektrisches schutzbauelement mit kurzschlusseinrichtung |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8203819B2 (de) |
| EP (1) | EP2238659B1 (de) |
| JP (1) | JP5303576B2 (de) |
| KR (1) | KR20100117614A (de) |
| CN (1) | CN101983462B (de) |
| AT (1) | ATE533213T1 (de) |
| DE (1) | DE102008022794A1 (de) |
| WO (1) | WO2009095206A1 (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007056183B4 (de) * | 2007-11-21 | 2020-01-30 | Tdk Electronics Ag | Überspannungsableiter mit thermischem Überlastschutz, Verwendung eines Überspannungsableiters und Verfahren zum Schutz eines Überspannungsableiters |
| JP5248374B2 (ja) * | 2009-03-13 | 2013-07-31 | 新光電気工業株式会社 | 3極避雷管 |
| DE102010038066B4 (de) | 2010-08-06 | 2012-05-03 | Phoenix Contact Gmbh & Co. Kg | Thermische Überlastschutzanordnung |
| DE102010036909B3 (de) * | 2010-08-06 | 2012-02-16 | Phoenix Contact Gmbh & Co. Kg | Thermische Überlastschutzvorrichtung |
| DE102011052390A1 (de) | 2011-08-03 | 2013-02-07 | Phoenix Contact Gmbh & Co. Kg | Thermische Überlastschutzvorrichtung |
| US20150079425A1 (en) * | 2012-04-23 | 2015-03-19 | Mitsubishi Electric Corporation | Bypass switch |
| DE102013019391B4 (de) * | 2013-04-11 | 2022-04-28 | Dehn Se | Anordnung zum Überlastschutz von Überspannungsschutzgeräten |
| DE202014100428U1 (de) * | 2014-01-31 | 2014-02-12 | Epcos Ag | Schaltungsanordnung zum Überspannungsschutz |
| DE102014103419B4 (de) * | 2014-03-13 | 2018-05-24 | Epcos Ag | Überspannungsableiter mit Schutz vor Erwärmung |
| DE102014116440B4 (de) * | 2014-11-11 | 2016-05-19 | Epcos Ag | Ableiter |
| DE102015121438B4 (de) * | 2015-12-09 | 2023-12-28 | Tdk Electronics Ag | Elektrisches Schutzbauelement mit Kurzschlusseinrichtung |
| DE102018129679B4 (de) | 2018-11-26 | 2020-07-30 | Phoenix Contact Gmbh & Co. Kg | Überspannungsschutzvorrichtung mit thermischer Überlastschutzvorrichtung |
| DE202018006385U1 (de) | 2018-11-26 | 2020-03-19 | Phoenix Contact Gmbh & Co. Kg | Überspannungsschutzvorrichtung mit thermischer Überlastschutzvorrichtung |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3975664A (en) * | 1975-07-28 | 1976-08-17 | Reliable Electric Company | Line protector for communication circuit |
| JPS5933690U (ja) * | 1982-08-27 | 1984-03-01 | 富士通株式会社 | ガス入り放電管 |
| WO1987006399A1 (fr) * | 1986-04-09 | 1987-10-22 | Schaltbau Gesellschaft Mbh | Dispositif pour proteger un coupe-circuit de surtension contre une surchage thermique |
| EP0308553A1 (de) * | 1987-09-24 | 1989-03-29 | Semitron Industries Limited | Anordnung zur Unterdrückung von Ausgleichstrom |
| JPH01122585A (ja) * | 1987-11-05 | 1989-05-15 | Sankooshiya:Kk | 避雷器装置 |
| FR2670624A1 (fr) * | 1990-12-14 | 1992-06-19 | Pensar Ind | Court-circuit et boitier pour parafoudre. |
| DE4118738C1 (de) * | 1991-06-05 | 1992-12-24 | Krone Ag, 1000 Berlin, De | |
| US5450269A (en) * | 1993-09-17 | 1995-09-12 | Hsieh; Kin L. | Grounding arrangement for a protector in telecommunications |
| DE19708651A1 (de) * | 1997-02-21 | 1998-09-03 | Siemens Ag | Gasgefüllter Überspannungsableiter mit äußerer Kurzschlußeinrichtung |
| DE10162916A1 (de) * | 2001-12-20 | 2003-07-10 | Epcos Ag | Federbügel, Überspannungsableiter mit dem Federbügel und Anordnung eines Überspannungsableiters |
| US7974063B2 (en) * | 2007-11-16 | 2011-07-05 | Corning Cable Systems, Llc | Hybrid surge protector for a network interface device |
-
2008
- 2008-05-08 DE DE102008022794A patent/DE102008022794A1/de not_active Ceased
-
2009
- 2009-01-27 KR KR1020107018565A patent/KR20100117614A/ko not_active Ceased
- 2009-01-27 CN CN200980111985.2A patent/CN101983462B/zh not_active Expired - Fee Related
- 2009-01-27 AT AT09706809T patent/ATE533213T1/de active
- 2009-01-27 JP JP2010544626A patent/JP5303576B2/ja not_active Expired - Fee Related
- 2009-01-27 WO PCT/EP2009/000515 patent/WO2009095206A1/de not_active Ceased
- 2009-01-27 EP EP09706809A patent/EP2238659B1/de not_active Not-in-force
-
2010
- 2010-07-26 US US12/843,613 patent/US8203819B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009095206A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US8203819B2 (en) | 2012-06-19 |
| US20110013335A1 (en) | 2011-01-20 |
| KR20100117614A (ko) | 2010-11-03 |
| EP2238659B1 (de) | 2011-11-09 |
| JP2011511406A (ja) | 2011-04-07 |
| JP5303576B2 (ja) | 2013-10-02 |
| ATE533213T1 (de) | 2011-11-15 |
| WO2009095206A1 (de) | 2009-08-06 |
| CN101983462B (zh) | 2013-03-13 |
| CN101983462A (zh) | 2011-03-02 |
| DE102008022794A1 (de) | 2009-08-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20100811 |
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