CN1016021B - Seated contact arrangement in insulating material wall for step selector of step transformer - Google Patents
Seated contact arrangement in insulating material wall for step selector of step transformerInfo
- Publication number
- CN1016021B CN1016021B CN89100764A CN89100764A CN1016021B CN 1016021 B CN1016021 B CN 1016021B CN 89100764 A CN89100764 A CN 89100764A CN 89100764 A CN89100764 A CN 89100764A CN 1016021 B CN1016021 B CN 1016021B
- Authority
- CN
- China
- Prior art keywords
- insulating material
- contact
- cylindrical wall
- bar
- contact device
- 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
Links
- 239000011810 insulating material Substances 0.000 title claims description 48
- 238000009413 insulation Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 2
- 230000008719 thickening Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 239000003989 dielectric material Substances 0.000 abstract 3
- 239000011324 bead Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
-
- 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
- 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
- H01H2009/0022—Mounting of the fixed contacts or taps on cylindrical wall of oil vessel containing the tap changer; Details of screening
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Housings And Mounting Of Transformers (AREA)
- Insulators (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coils Or Transformers For Communication (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Insulating Of Coils (AREA)
- Push-Button Switches (AREA)
- Transformers For Measuring Instruments (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
A contact arrangement for tap changers of tap transformers, in which the contact piece is seated with a shank in a hole of a cylindrical wall consisting of wound dielectric material and has a connecting surface on the one side and a contact surface on the other side. The shank of the contact piece is provided with two mutually interlocking dielectric material bushes which are placed onto the shank from both sides of the cylindrical wall and which each rest with a projecting edge on the cylindrical wall. The contact surface is designed in the manner of a bead as an electrode shape which rests firmly on the dielectric material bush, the contact piece being held in the cylindrical wall by permanent deformation of its shank on the outer side of the cylindrical wall.
Description
The present invention relates to be used for the contact device of adjustable transformer step-selector, this contact device has a bar, it is arranged in the hole of the cylindrical wall of being made by the coiling insulating material, this bar has the terminal of a band joint face and has the end of a band contact-making surface to be protruded to both sides by this cylindrical wall in the cylindrical wall inboard in this cylindrical wall outside, is provided with the outer wrapper attached as lateral isolation that is made of insulating material around its bar.
A kind of such contact device is disclosed in DRP DE-AS1118860.
In the diversity switch of adjustable transformer, not only be used for the load transfer switch but also and in selector by the insulating material cylinder of fibre technology manufacturing.Therefore must on such insulating material cylindrical wall, dispose a plurality of contacts.At this moment must consider on the insulating material cylindrical wall, rod member to be set, particularly under the situation of electric power impact load, high outlet field intensity can occur thereon as electrode.So the contact that is arranged on the wall is equipped with additional lateral isolation.The high outlet field intensity that should avoid whereby being occurred may directly appear on the glass fibre that is sectioned by the hole and on the capillary around single fiber.Also have at contact and avoid fixing means fixedly the time as far as possible, preventing the dielectric strength between contact additionally being reduced, so the unusual costliness of described this contact device by the fixing means of metal with metal.
The purpose of this invention is to provide a kind of above-mentioned contact device, it can be made with simple mode, the field distribution deterioration of having avoided the fixing means of metal and having been caused, and the required for this reason additional control utmost point.
For realizing above-mentioned purpose of the present invention, the invention provides a kind of contact device that is used for the step-selector of adjustable transformer, this contact device has a bar, it is arranged in the hole of the cylindrical wall of being made by coiling material, this bar has the terminal of a band joint face and has the end of a band contact-making surface to be protruded to both sides by this cylindrical wall in the cylindrical wall inboard in this cylindrical wall outside, be provided with the outer wrapper attached that constitutes by insulating material around its bar as lateral isolation, according to the present invention, this overcoat is made of parts two lining shapes and that intermesh connection, parts are that insulating material is made and is inserted on the bar by the cylindrical wall both sides, this each outer casing part respectively has a flange that adjoins mutually with cylindrical wall, the end that contact-making surface wherein arranged on the contact with respect to its bar as electrode configuration swell thickening, closely adjoin with electrode configuration and insulating material sleeve, this contact remains on cylindrical wall by being arranged in the crushed element that forms on this bar of the cylindrical wall outside.
In addition, this new contact device just can be made with simple tools or supplementary means.Important in addition advantage shows; Contact fixing is without metal-ware and also need not there be the screw thread of sharpened edge promptly can finish on wall.
Insulating material sleeve in these two sleeve shaped is fashionable, between this two insulating part, reserve a slit, exhaust duct with suitable mode makes slit and exterior, and when this had just been avoided in the classification selector being rotated the grease chamber of transformer into, the place had air cushion at contact.
When contact had the bar of garden shape and the terminal block that suppresses, it has such advantage: the insulating material sleeve in the terminal block side had two notches opposite one another, and it has the width corresponding to terminal block.This with regard to facilitation the assembling of contact device, this insulating material sleeve can move on on the bar after contact plate is pressed into again, and then half-twist.
To at the contact device of having relatively high expectations aspect the voltage, to the bar of contact in the scope of two insulating material sleeve in addition the thin layer of high dielectric strength insulating material be suitable.Thus this bar can be for example with special insulating material looping or as with melting the in addition coating of insulating material of groove technology.
This in addition contact device can directly be equipped with a common bucking electrode in joint side, and this bucking electrode can be arranged in this wise: it is clamped in simply between insulating material sleeve and contact deformation place and is adjoined with the upper surface of insulating material sleeve.This insulating material sleeve can also further be equipped with the annular flange flange that also outwards stretches around bucking electrode from the side, sets up an insulation shielding therefrom.
This new contact device has a plurality of embodiment to show in the accompanying drawings, and is described in detail below.These accompanying drawings are:
Fig. 1: the first embodiment perspective cutaway view;
Fig. 2 a and 2b: with the vertical section and the cross section (local figure) of Fig. 1 same structure;
Fig. 3 a and 3b: the vertical section of second embodiment and end view;
Fig. 4 a and 4b: a kind of vertical section and cross section (local figure) with the supplementary insulation structure;
Fig. 5 a and 5b: a kind of vertical section and cross section (local figure) with shield electrode structure;
Fig. 6 a and 6b: a kind of vertical section and cross section (local figure) with bucking electrode and supplementary insulation structure.
By Fig. 1,2a and 2b can find out a contact in the wall 2 that is inserted in an insulating material garden tube, and it has the bar 1 of flat sheet.This contact has a contact-making surface that constitutes as electrode configuration 3 and a joint face that constitutes as flat link 4 is arranged in the garden tube outside in tube inboard, garden.In shaft 1 arranged around two insulating material sleeves 5,6 are arranged, their connections that intermeshes, the outer insulating material cover adjoins with the inboard and the outside of wall 2 respectively with flange 8 interior insulating material sleeve 5 mutually with flange 7.This contact closely is embedded in the insulating material sleeve 5 as the contact-making surface that electrode configuration 3 constitutes with it, encloses by its crushed element 9 on the other hand to lean against the bar other wall outside and overlap 6 layouts along outer insulating material, remains in this wise in the wall 2 of insulating material garden tube.There is slit 11 5,6 of two insulating cases, through exhaust duct 12 and exterior.Two holes that can see 13 help the distortion at the bar 1 in barrel 2 outsides, insulating material garden.When contact device was installed, it was one suitable but unshowned in the drawings instrument is finished distortion thus to insert in these holes.
Press Fig. 3 a and 3b, contact has the bar 31 of garden shape, and it is arranged in the insulating material garden barrel 2, and the inside butt end 33 of formation contact-making surface is made electrode form and is close on the interior insulating material sleeve 35.There is a spade tip that is pressed into 34 outer end of contact, and it surpasses the width of bar 31 and protruding.Correspondingly on the insulating material sleeve 36 two notches 361 are arranged outside therewith, it is corresponding to the width of spade tip 34.Before spade tip 34 was pressed into, insulating material sleeve 35 had been enclosed within on this contact in this, can slide by spade tip after this so outer insulating material overlaps 36, and then rotate about 90 degree.Equally, contact is fixed by deformation place 39, and deformation place 39 forms on wall 2 outboard beam 31.Like this so that 35,36 one of this contact and this two insulating material sleeves remain on reliably in the wall 2 of insulating material sleeve.Exhaust duct 312 is equally also arranged here.
An embodiment shown in Fig. 4 a and the 4b as at Fig. 1, represent among 2a and the 2b with explanation like that.The supplementary insulation 14 in the scope of two insulating material sleeves 45 and 46, formed of the bar 41 of contact here by the high dielectric strength insulating material.All the other are then identical with previous embodiment.
Fig. 5 a and 5b have added a bucking electrode 15 to starting described embodiment, and it is arranged around crushed element 9 ground.This bucking electrode 15 adjoins mutually with the upper surface of outer insulating material cover 6, and keeps by crushed element 9 equally.
Fig. 6 a and the 6b embodiment that to be another in essence described as earlier figures 1 and Fig. 2 a, 2b, but its outer insulating material cover 66 has an annular flange flange 16, this flange 16 are from the side around this bucking electrode 15 and outwards stretch.This flange is as additional insulation barrier.Remaining feature is consistent with feature described in Fig. 1,2a and 2b.
Claims (6)
1, the contact device that is used for the step-selector of adjustable transformer, this contact device has a bar (1), it is arranged in the hole of the cylindrical wall of being made by the coiling insulating material (2), this bar has the end (4) of a band joint face and has the end (3) of a band contact-making surface to be protruded to both sides by this cylindrical wall in the cylindrical wall inboard in this cylindrical wall outside, be provided with the outer wrapper attached that constitutes by insulating material around its bar as lateral isolation, it is characterized in that: this overcoat is by parts (5 two lining shapes and that intermesh and connect, 6) constitute, parts (5,6) make for insulating material and be inserted on the bar (1) by cylindrical wall (2) both sides, this each outer casing part respectively has a flange (7 that adjoins mutually with cylindrical wall, 8), the end (3) that contact-making surface wherein arranged on the contact with respect to its bar as electrode configuration swell thickening, closely adjoin with electrode configuration and insulating material sleeve (5), this contact remains on cylindrical wall by being arranged in the crushed element (9) that forms on this bar of the cylindrical wall outside.
2, according to the contact device of claim 1, it is characterized in that: the insulating material sleeve of two mutual sockets has slit (11) between (5,6), and it is via exhaust duct (12) and exterior.
3, according to the contact device of claim 1 or 2, it is characterized in that: the width as terminal block (34) that the end of contact band joint face is made with pressing process is also protruding above the diameter of bar (31), the lining of placing at the terminal block side (36) has two opposed notches (361), it is corresponding to the width of terminal block (34), wherein at the terminal location of contact, the lining (36) of trough of belt mouth (361) rotates about 90 degree with respect to terminal block (34) Width.
4, according to the contact device of claim 1 or 2, it is characterized in that: the bar of contact (41) has the thin layer (14) of high dielectric strength insulating material in the scope of two insulating cases (45,46).
5, according to the contact device of claim 1 or 2, it is characterized in that: it adjoins mutually with the upper surface of insulating material sleeve and clamps between insulating material sleeve and crushed element around crushed element (9) bucking electrode (15) to be set.
6, according to the contact device of claim 5, it is characterized in that: by insulating material sleeve (66) outside with an annular from the side around this bucking electrode (15) and the flange (67) that outwards stretches with as insulation barrier.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3801152.2 | 1988-01-16 | ||
| DE3801152A DE3801152A1 (en) | 1988-01-16 | 1988-01-16 | CONTACT ARRANGEMENT SITTING IN AN INSULATING WALL FOR STEPPERS OF STEPPING TRANSFORMERS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1035388A CN1035388A (en) | 1989-09-06 |
| CN1016021B true CN1016021B (en) | 1992-03-25 |
Family
ID=6345418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN89100764A Expired CN1016021B (en) | 1988-01-16 | 1989-01-15 | Seated contact arrangement in insulating material wall for step selector of step transformer |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0325139B1 (en) |
| JP (1) | JP2785130B2 (en) |
| KR (1) | KR970010989B1 (en) |
| CN (1) | CN1016021B (en) |
| AT (1) | ATE103735T1 (en) |
| DE (2) | DE3801152A1 (en) |
| ES (1) | ES2050722T3 (en) |
| HU (1) | HU201172B (en) |
| IN (1) | IN172230B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100466128C (en) * | 2003-09-24 | 2009-03-04 | 赖茵豪森机械制造公司 | Load Grading Switches with Motor Drivers |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3936420A1 (en) * | 1989-11-02 | 1991-05-08 | Reinhausen Maschf Scheubeck | Screened contact for transformer tap switch - has screen held on shaft by recessed spring plate, insertable over contact end |
| DE4236528C2 (en) * | 1991-11-19 | 1993-12-16 | Reinhausen Maschf Scheubeck | Contact arrangement and form spring for fastening this contact arrangement |
| DE4138000C1 (en) * | 1991-11-19 | 1993-03-04 | Maschinenfabrik Reinhausen Gmbh, 8400 Regensburg, De | |
| DE4239188C2 (en) * | 1992-11-21 | 1995-08-03 | Tele Plast Bleyer Und Gaertner | Socket for a metallic contact pin |
| DE102004041317B3 (en) | 2004-08-26 | 2005-10-20 | Reinhausen Maschf Scheubeck | Contact configuration |
| ITVI20070199A1 (en) * | 2007-07-16 | 2009-01-17 | Comem Spa | REMOVABLE CONNECTION DEVICE FOR VACUUM SWITCHES FOR ELECTRIC TRANSFORMERS. |
| EP2637186B1 (en) * | 2012-03-07 | 2014-09-17 | ABB Technology Ltd | A tap selector and a method for assembling a tap selector |
| EP3086342A1 (en) | 2015-04-21 | 2016-10-26 | ABB Technology Ltd | A fixed contact for a tap changer and a method for mounting a cable lug thereto |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL94688C (en) * | 1958-05-02 | 1960-06-15 | ||
| DE1763569B2 (en) * | 1968-06-25 | 1971-11-04 | OELGEFAESS FOR LOAD CHANGER OF TAP-SWITCHES FOR CONTROL TRANSFORMERS | |
| DE2059638A1 (en) * | 1970-12-04 | 1972-06-08 | Reinhausen Maschf Scheubeck | Connection contact piece for diverter switch from tap changers to regulating transformers |
| DE7121024U (en) * | 1971-05-29 | 1971-08-26 | Gebrueder Scheubeck Kg | CONTACT ARRANGEMENT FOR TAP SWITCHES OF CONTROL TRANSFORMERS |
| AT342717B (en) * | 1975-11-07 | 1978-04-25 | Elin Union Ag | ELECTRODE FOR CONTACT CONNECTION FOR SELECTORS, TURNERS OR DGL. |
| DE7810069U1 (en) * | 1978-04-05 | 1979-09-13 | Maschinenfabrik Reinhausen Gebrueder Scheubeck Gmbh & Co Kg, 8400 Regensburg | OIL-OPERATED TAP SELECTOR FOR TAP SWITCH OF TAP TRANSFORMERS |
| AT382476B (en) * | 1981-10-02 | 1987-02-25 | Elin Union Ag | SECURING CONTACTS |
-
1988
- 1988-01-16 DE DE3801152A patent/DE3801152A1/en active Granted
- 1988-12-27 IN IN921/MAS/88A patent/IN172230B/en unknown
-
1989
- 1989-01-09 KR KR1019890000149A patent/KR970010989B1/en not_active Expired - Fee Related
- 1989-01-10 DE DE89100296T patent/DE58907309D1/en not_active Expired - Fee Related
- 1989-01-10 AT AT89100296T patent/ATE103735T1/en not_active IP Right Cessation
- 1989-01-10 EP EP89100296A patent/EP0325139B1/en not_active Expired - Lifetime
- 1989-01-10 ES ES89100296T patent/ES2050722T3/en not_active Expired - Lifetime
- 1989-01-13 JP JP1005039A patent/JP2785130B2/en not_active Expired - Fee Related
- 1989-01-13 HU HU89123A patent/HU201172B/en not_active IP Right Cessation
- 1989-01-15 CN CN89100764A patent/CN1016021B/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100466128C (en) * | 2003-09-24 | 2009-03-04 | 赖茵豪森机械制造公司 | Load Grading Switches with Motor Drivers |
Also Published As
| Publication number | Publication date |
|---|---|
| DE58907309D1 (en) | 1994-05-05 |
| DE3801152C2 (en) | 1992-10-01 |
| JPH01226126A (en) | 1989-09-08 |
| DE3801152A1 (en) | 1989-07-27 |
| ES2050722T3 (en) | 1994-06-01 |
| ATE103735T1 (en) | 1994-04-15 |
| EP0325139B1 (en) | 1994-03-30 |
| EP0325139A2 (en) | 1989-07-26 |
| KR890012333A (en) | 1989-08-25 |
| IN172230B (en) | 1993-05-08 |
| CN1035388A (en) | 1989-09-06 |
| HU201172B (en) | 1990-09-28 |
| JP2785130B2 (en) | 1998-08-13 |
| EP0325139A3 (en) | 1990-10-03 |
| KR970010989B1 (en) | 1997-07-05 |
| HUT51023A (en) | 1990-03-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| OR01 | Other related matters | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |