EP1325506A1 - Mechanischer schaltkontakt - Google Patents
Mechanischer schaltkontaktInfo
- Publication number
- EP1325506A1 EP1325506A1 EP01974263A EP01974263A EP1325506A1 EP 1325506 A1 EP1325506 A1 EP 1325506A1 EP 01974263 A EP01974263 A EP 01974263A EP 01974263 A EP01974263 A EP 01974263A EP 1325506 A1 EP1325506 A1 EP 1325506A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- carrier
- insulating material
- contacts
- switch
- 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
- 239000011810 insulating material Substances 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- H01H9/0005—Tap change devices
- H01H9/0016—Contact arrangements for tap changers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H25/00—Switches with compound movement of handle or other operating part
- H01H25/06—Operating part movable both angularly and rectilinearly, the rectilinear movement being along the axis of angular movement
Definitions
- the invention relates to a mechanical switch contact for double-pole switching, in particular in the case of a diverter switch of a tap changer.
- a switchover arrangement for a diverter switch of a tap changer which has a mechanical main switch contact and also a mechanical resistance switch contact.
- Both the main switch contact and the resistance switch contact each consist of two single-break contacts that can be actuated coupled to one another, with one single break contact of both the main switch contact and the resistance switch contact being electrically connected to the first load switch side and the other individual break contact of both the main switch contact and the resistance switch contact being electrically connected to the second load switch side connected is.
- the individual break contacts of the main switch contact can be wired by a first changeover switch and the single break contacts of the resistance switch contact by a second changeover switch. There is therefore a double-pole switchover by means of two changeover switches.
- a diverter switch for a tap changer in which lever-like mechanical contacts pivotable about a pivot point are provided as a technical implementation possibility of such a double-pole switchover. Furthermore, spring-loaded toggle levers are provided which act on the rotatably mounted mechanical contacts in such a way that they can assume two switching positions beyond a dead center. The two movable contacts are arranged in the same horizontal plane in the outer area of the diverter switch for each phase separately.
- the object of the invention is therefore to provide a mechanical switch contact for double-pole changeover, which is simple in construction and consists of components which are as easy to assemble as possible, is modular and is designed as an independent assembly which, for example, is installed in a diverter switch without further adjustment or adaptation work can be used and also takes up as little space as possible.
- This object is achieved by a mechanical switch contact with the features of the first claim.
- the subclaims relate to particularly advantageous developments of the invention.
- a major advantage of the mechanical switch contact according to the invention is its extremely compact, simple construction. Both mechanical main switch contact and mechanical resistance switch contact can be prefabricated as identical, modular assemblies with just a few parts. The same modular mechanical switching contacts can therefore be used for the main switching contact and the resistance switching contact; The main switch contact and the resistance switch contact of each phase can be easily realized as a common assembly from two identical, interconnected modular switch contacts according to the invention.
- Fig. 1 shows a mechanical switch contact according to the invention in perspective
- FIG. 2 shows a contact carrier of the switch contact shown in FIG. 1 alone
- Fig. 3 shows a combination of two switch contacts according to the invention shown in FIG. 1 as a single-phase assembly for the main switch contact and
- FIG. 4 shows a circuit of a diverter switch of a tap changer, as can be realized by mechanical switch contacts according to the invention.
- the mechanical switch contact shown in Figure 1 has an insulating material carrier 1 which accommodates the further components described below.
- the insulating material carrier 1 is provided with parallel longitudinal guides 1.1,... 1.4 in the form of through bores, which will be discussed in more detail below.
- a contact carrier 2 is rotatably mounted by means of a bearing pin 3.
- side cap receptacles 1.7 and 1.8 are provided, which will also be discussed in more detail.
- the insulating material carrier has molded contact receptacles 1.9 ... 1.12 in which fixed contacts 4 ... 7 are arranged.
- the contact carrier 2 which is shown again alone in FIG. 2, is rotatably supported in the insulating material carrier 1 by means of a bearing 2.1 and the bearing bolt 3 already mentioned. It has a pivot arm 2.2, which is pivotable about the bearing 2 ⁇ and in turn has a contact 2.3 at its free end.
- This contact 2.3 consists of a through hole that runs parallel to the longitudinal axis of the bearing 2.1 or the bearing pin 3.
- An abutment receptacle 2.4 or 2.5 is also formed on the side in the area of contact 2.3, also in the form of a dome.
- the contact carrier 2 has an actuating contour 2.6.
- an electrically conductive contact piece 8 is arranged, which has contact rollers 8.1 and 8.2 at both free ends. These contact rollers 8.1, 8.2 each correspond either to the fixed contacts 4 and 5 on one side of the insulating substrate 1 or the fixed contacts 6 and 7 on the other side of the insulating substrate 1, depending on the direction in which the contact carrier 2 around the bearing 2.1 is pivoted.
- telescopic guides 9 and 10 are arranged on both sides.
- These telescopic guides 9, 10 consist of two pieces of pipe which can be pushed into one another. They each have a dome 9.1 or 10.1 at one free end, with which they are supported in one of the dome receptacles 1.7 or 1.8 of the insulating material carrier.
- the telescopic guides 9, 10 have a spherical abutment, with which in turn they are supported on both sides of the contact carrier 2 in one of the two abutment receptacles 2.4, 2.5.
- a prestressed compression spring 11 which is also supported on the contact carrier 2 between the spherical seat holder 1.7 and the abutment holder 2.4.
- a further prestressed compression spring 12 is arranged analogously around the second telescopic guide 10, which in turn is supported on the contact carrier 2 between the spherical receptacle 1.8 and the other abutment 2.5.
- a snap mechanism is easily realized which, on the one hand, prevents the contact carrier 2 from engaging can take undefined intermediate position and on the other hand ensures sufficient contact pressure of the contact rollers 8.1 and 8.2 on the respective fixed contacts.
- the telescopic guides 9 and 10 change during the switchover, ie the pivoting of the contact carrier 2, both their length - therefore designed telescopically - as their spatial position.
- FIG. 3 shows two of these switching contacts according to the invention, which are combined to form a complete mechanical switching unit for one phase of a diverter switch.
- One switch contact I acts as the main switch contact and the other switch contact II acts as a resistance switch contact.
- the same parts are provided with the same reference symbols - it can be seen that the two modules are constructed completely identically. For reasons of clarity, not all of the details explained have been provided with reference numerals in this illustration.
- FIG. 3 as in FIG. 1 for an individual switching contact, an asymmetrical design of the actuating contour 2.6 of the contact arm 2 has been selected.
- the two switching contacts I and II have been installed offset by 180 degrees so that the two actuation contours face each other.
- connection of the two switching contacts I and II is made by common connecting bolts 13 ... 16, which are guided through the respective longitudinal guides 1.1 ... 1.4 and screwed on both sides. Furthermore, it can be seen in FIG. 3 that the respectively opposite fixed contacts 4 and 6 of each switching contact I and II are electrically connected to one another by a connecting cable 17, 18. Furthermore, it can be seen that the adjacent contacts 5 and 7 of each switching contact on the one side are electrically connected to one another by a first conductive connection 19 and, accordingly, the adjacent fixed contacts 7 and 5 are connected to one another by a further conductive connection 20. This enables a double-pole changeover with a diverter switch on a tap changer.
- the selector of the tap changer is shown schematically, which performs a powerless preselection of the new winding tap n + 1 of the tap changer to be switched over to, while the previous tap tap n is still electrically connected is.
- the two sides of the diverter switch A and B between which an uninterrupted switchover under load is to take place.
- the mechanical switching contacts are shown below, namely in the left branch, the main switching branch, the main switching contacts SK.
- the indices A and B indicate the respective assignment of the corresponding individual contact to side A or B of the diverter switch.
- the HKM resistance switch contacts are shown quite analogously; the same applies to the indices.
- the dashed line shows the part of the circuit that is technically realized by the two mechanical switch contacts I and II according to the invention.
- the first vacuum switching cell SKV for load dissipation is shown in the main switching branch, in the resistance branch the series connection is off a switching resistor and a second vacuum switching cell HKV for load dissipation L.
Landscapes
- Contacts (AREA)
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
- Push-Button Switches (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Mechanisms For Operating Contacts (AREA)
- Keying Circuit Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10050821A DE10050821C1 (de) | 2000-10-13 | 2000-10-13 | Mechanischer Schaltkontakt |
| DE10050821 | 2000-10-13 | ||
| PCT/EP2001/010759 WO2002031846A1 (de) | 2000-10-13 | 2001-09-18 | Mechanischer schaltkontakt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1325506A1 true EP1325506A1 (de) | 2003-07-09 |
| EP1325506B1 EP1325506B1 (de) | 2008-04-09 |
Family
ID=7659694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01974263A Expired - Lifetime EP1325506B1 (de) | 2000-10-13 | 2001-09-18 | Mechanischer schaltkontakt |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US6740831B2 (de) |
| EP (1) | EP1325506B1 (de) |
| JP (1) | JP2004511883A (de) |
| KR (1) | KR100486454B1 (de) |
| CN (1) | CN1253901C (de) |
| AT (1) | ATE392001T1 (de) |
| AU (1) | AU2001293820A1 (de) |
| BG (1) | BG65002B1 (de) |
| BR (1) | BR0114555A (de) |
| CA (1) | CA2416279A1 (de) |
| DE (2) | DE10050821C1 (de) |
| HU (1) | HUP0301375A2 (de) |
| PL (1) | PL362712A1 (de) |
| RU (1) | RU2262149C2 (de) |
| UA (1) | UA72650C2 (de) |
| WO (1) | WO2002031846A1 (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7982142B2 (en) | 2004-06-30 | 2011-07-19 | Abb Research Ltd. | Diverter switch, a method for operating such a switch and use of such a switch |
| DE102005048308B3 (de) * | 2005-10-08 | 2006-11-23 | Maschinenfabrik Reinhausen Gmbh | Mechanischer Schaltkontakt |
| US7659588B2 (en) * | 2006-01-26 | 2010-02-09 | Siliconix Technology C. V. | Termination for a superjunction device |
| KR100678414B1 (ko) * | 2006-05-04 | 2007-02-09 | 정영옥 | 개폐기용 접속구의 제조장치 및 제조방법 |
| CN100555494C (zh) * | 2006-07-17 | 2009-10-28 | 同方威视技术股份有限公司 | 高压自动转换开关 |
| DE102010015051B4 (de) | 2010-04-15 | 2012-06-14 | Maschinenfabrik Reinhausen Gmbh | Mechanischer Schaltkontakt |
| DE102010019948B4 (de) * | 2010-05-08 | 2015-06-11 | Maschinenfabrik Reinhausen Gmbh | Laststufenschalter |
| US9615428B2 (en) | 2011-02-01 | 2017-04-04 | John Joseph King | Arrangement for an outdoor light enabling motion detection |
| US9226373B2 (en) | 2013-10-30 | 2015-12-29 | John Joseph King | Programmable light timer and a method of implementing a programmable light timer |
| RU2631366C1 (ru) * | 2016-06-30 | 2017-09-21 | Открытое акционерное общество "Объединенные электротехнические заводы" | Контактная система автопереключателя с плавающими ножами |
| EP4044206B1 (de) * | 2021-02-16 | 2025-04-23 | Hitachi Energy Ltd | Kontakteinheit und kontaktsystem für einen laststufenschalter und laststufenschalter |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1215665A (en) * | 1915-04-05 | 1917-02-13 | Heinrich Landis | Spring arrangement especially for contact devices. |
| CH237860A (de) | 1942-06-01 | 1945-05-31 | Elin Und Schorch Werke Aktieng | Lastumschalter für Anzapftransformatoren. |
| NL130643C (de) | 1965-07-13 | |||
| DE2130509A1 (de) | 1971-06-19 | 1972-12-21 | Reinhausen Maschf Scheubeck | Lastumschalter fuer Stufenschalter von Regeltransformatoren |
| FR2454683A1 (fr) * | 1979-04-18 | 1980-11-14 | Telemecanique Electrique | Appareil pour la coupure de deux interrupteurs |
| US4902864A (en) * | 1988-12-09 | 1990-02-20 | General Electric Company | Versatile electric disconnect switch |
| DE4101866A1 (de) * | 1991-01-23 | 1992-07-30 | Reinhausen Maschf Scheubeck | Umschaltanordnung |
| US5523674A (en) * | 1992-07-16 | 1996-06-04 | Maschinenfabrik Reinhausen Gmbh | Step switch |
| DE4301213C1 (de) * | 1993-01-19 | 1994-05-19 | Preh Elektro Feinmechanik | Drucktastenschalter |
| AU2067895A (en) * | 1994-03-09 | 1995-09-25 | Maschinenfabrik Reinhausen Gmbh | Switching arrangement for load change-over switches of step switches and for selector switches |
| DE19510809C1 (de) * | 1995-03-24 | 1996-07-04 | Reinhausen Maschf Scheubeck | Lastumschalter eines Stufenschalters |
-
2000
- 2000-10-13 DE DE10050821A patent/DE10050821C1/de not_active Expired - Fee Related
-
2001
- 2001-09-18 US US10/332,355 patent/US6740831B2/en not_active Expired - Fee Related
- 2001-09-18 JP JP2002535143A patent/JP2004511883A/ja not_active Withdrawn
- 2001-09-18 DE DE50113839T patent/DE50113839D1/de not_active Expired - Fee Related
- 2001-09-18 EP EP01974263A patent/EP1325506B1/de not_active Expired - Lifetime
- 2001-09-18 AT AT01974263T patent/ATE392001T1/de not_active IP Right Cessation
- 2001-09-18 RU RU2003113533/09A patent/RU2262149C2/ru not_active IP Right Cessation
- 2001-09-18 WO PCT/EP2001/010759 patent/WO2002031846A1/de not_active Ceased
- 2001-09-18 BR BRPI0114555-0A patent/BR0114555A/pt not_active IP Right Cessation
- 2001-09-18 PL PL01362712A patent/PL362712A1/xx unknown
- 2001-09-18 KR KR10-2003-7002003A patent/KR100486454B1/ko not_active Expired - Fee Related
- 2001-09-18 HU HU0301375A patent/HUP0301375A2/hu unknown
- 2001-09-18 CA CA002416279A patent/CA2416279A1/en not_active Abandoned
- 2001-09-18 UA UA2003043285A patent/UA72650C2/uk unknown
- 2001-09-18 CN CNB018171834A patent/CN1253901C/zh not_active Expired - Fee Related
- 2001-09-18 AU AU2001293820A patent/AU2001293820A1/en not_active Abandoned
-
2003
- 2003-02-26 BG BG107592A patent/BG65002B1/bg unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0231846A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2416279A1 (en) | 2003-01-14 |
| DE10050821C1 (de) | 2002-05-02 |
| BG65002B1 (bg) | 2006-11-30 |
| KR20030031973A (ko) | 2003-04-23 |
| KR100486454B1 (ko) | 2005-04-29 |
| WO2002031846A1 (de) | 2002-04-18 |
| EP1325506B1 (de) | 2008-04-09 |
| UA72650C2 (uk) | 2005-03-15 |
| ATE392001T1 (de) | 2008-04-15 |
| JP2004511883A (ja) | 2004-04-15 |
| HUP0301375A2 (en) | 2006-02-28 |
| CN1484844A (zh) | 2004-03-24 |
| RU2262149C2 (ru) | 2005-10-10 |
| CN1253901C (zh) | 2006-04-26 |
| US20030102205A1 (en) | 2003-06-05 |
| AU2001293820A1 (en) | 2002-04-22 |
| BR0114555A (pt) | 2006-05-09 |
| BG107592A (en) | 2003-11-28 |
| US6740831B2 (en) | 2004-05-25 |
| DE50113839D1 (de) | 2008-05-21 |
| PL362712A1 (en) | 2004-11-02 |
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