EP1291886B1 - Strombegrenzendes Mehrfingerkontaktsystem - Google Patents
Strombegrenzendes Mehrfingerkontaktsystem Download PDFInfo
- Publication number
- EP1291886B1 EP1291886B1 EP02019397A EP02019397A EP1291886B1 EP 1291886 B1 EP1291886 B1 EP 1291886B1 EP 02019397 A EP02019397 A EP 02019397A EP 02019397 A EP02019397 A EP 02019397A EP 1291886 B1 EP1291886 B1 EP 1291886B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- fingers
- arc
- circuit breaker
- contact fingers
- 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
Links
- 238000010791 quenching Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000000171 quenching effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/40—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
-
- 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
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/22—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact
- H01H1/221—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member
- H01H1/226—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact and a contact pressure spring acting between the pivoted member and a supporting member having a plurality of parallel contact bars
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
Definitions
- the invention relates to a current-limiting multi-finger contact system according to the The preamble of claim 1 as disclosed in document DE 12 57 933 B and is applicable to low-voltage circuit breakers, especially circuit breakers.
- the invention is therefore based on the object, a safe distribution of arcs to reach.
Landscapes
- Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Description
- Figur 1:
- in perspektivischer Darstellung ein Zweifingerkontaktsystem ohne Lichtbogenlöschkammem;
- Figur 2:
- das Kontaktsystem gemäß Fig. 1 in Draufsicht.
Claims (3)
- Strombegrenzendes Mehrfingerkontaktsystem für jeden zu schaltenden Pol eines Schutzschalters mit Gehäuse, bestehenddadurch gekennzeichnet, dassaus mehreren Kontaktfingern (4) mit jeweils einem beweglichen Kontaktstück (6) undmindestens zwei separaten Lichtbogenlöschkammern (16),wobei die Kontaktfinger (4) auf einer Schwenkachse (12) lagern und von jeweils einer Kontaktdruckfeder (14) beaufschlagt,die Kontaktfinger (4) auf die Lichtbogenlöschkammern (16) gleichmäßig aufgeteilt und,die Lichtbogenlöschkammern (16) mit den jeweils zugeordneten Kontaktfingern (4) durch isolierende Zwischenwände (18, 19) weitgehend voneinander getrennt sind,ein einziger feststehenden Kontakt (10) mit mindestens einem feststehenden Kontaktstück (8) vorgesehen ist undan das Mehrfingerkontaktsystem (2) seitlich begrenzenden Seitenwänden (20) Stege (22) in Richtung Kontaktfinger (4) angeformt sind.
- Mehrfingerkontaktsystem nach vorstehendem Anspruch, dadurch gekennzeichnet, dass die Zwischenwände (18, 19) Bestandteile des Gehäuses sind.
- Mehrfingerkontaktsystem nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass zwei Kontaktfinger (4) und zwei Lichtbogenlöschkammern (16) vorgesehen sind.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE20114952U | 2001-09-11 | ||
| DE20114952U DE20114952U1 (de) | 2001-09-11 | 2001-09-11 | Strombegrenzendes Mehrfingerkontaktsystem |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1291886A1 EP1291886A1 (de) | 2003-03-12 |
| EP1291886B1 true EP1291886B1 (de) | 2005-06-08 |
Family
ID=7961545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02019397A Expired - Lifetime EP1291886B1 (de) | 2001-09-11 | 2002-08-30 | Strombegrenzendes Mehrfingerkontaktsystem |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1291886B1 (de) |
| DE (2) | DE20114952U1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449027B (zh) * | 2018-12-05 | 2024-02-09 | 河南华盛隆源电气有限公司 | 一种内置隔离的断路器 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1257933B (de) * | 1964-03-20 | 1968-01-04 | Bbc Brown Boveri & Cie | Elektrischer Leistungsschalter |
| IT1151197B (it) * | 1982-05-21 | 1986-12-17 | Cge Comp Gen Elettromecc | Interruttore a limitazione di corrente avente un perfezionato sistema di contatti |
-
2001
- 2001-09-11 DE DE20114952U patent/DE20114952U1/de not_active Expired - Lifetime
-
2002
- 2002-08-30 DE DE50203320T patent/DE50203320D1/de not_active Expired - Lifetime
- 2002-08-30 EP EP02019397A patent/EP1291886B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE20114952U1 (de) | 2003-01-30 |
| DE50203320D1 (de) | 2005-07-14 |
| EP1291886A1 (de) | 2003-03-12 |
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