EP1593138A1 - Electric contact arrangement - Google Patents
Electric contact arrangementInfo
- Publication number
- EP1593138A1 EP1593138A1 EP03815822A EP03815822A EP1593138A1 EP 1593138 A1 EP1593138 A1 EP 1593138A1 EP 03815822 A EP03815822 A EP 03815822A EP 03815822 A EP03815822 A EP 03815822A EP 1593138 A1 EP1593138 A1 EP 1593138A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- contact piece
- piece
- electrical
- arrangement
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
- H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
- H01H1/5866—Electric connections to or between contacts; Terminals characterised by the use of a plug and socket connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/025—Terminal arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
-
- 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
- H01H9/08—Arrangements to facilitate replacement of a switch, e.g. cartridge housing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
- H01R4/5058—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a ball
Definitions
- the invention relates to an electrical contact arrangement having a first contact piece having a first contact area and a second contact piece having a second contact area, the first contact piece being electrically connectable to the second contact piece by means of a coupling contact piece having a third and a fourth contact area, the first contact piece and the third or fourth contact areas is assigned to the second contact area.
- An electrical contact arrangement described there as an isolating contact device connects a stationary connecting conductor to a mating contact piece which is arranged on an interrupter unit of a compressed gas circuit breaker.
- a jacket piece containing contact lamellae is provided for the electrical connection.
- the jacket piece rigidly connects the connecting conductor and the counter contact piece to one another. Mechanical vibrations of the individual conductors to one another are transmitted via the jacket piece.
- Vibrations that occur during switching operations of the interrupter unit of the compressed gas circuit breaker can have a negative long-term influence on the electrical contact at the electrical contact arrangement.
- the object of the present invention is to design an electrical contact arrangement of the type mentioned at the outset in such a way that the arrangement is less sensitive to mechanical vibrations.
- the object is achieved according to the invention in the case of an electrical contact arrangement of the type mentioned at the outset in that the mutually associated contact regions each have a contact opening and a contact pin which can be inserted into the contact opening, the contact pins at least one plane at their ends facing the contact openings have convex section.
- the first contact piece is mechanically decoupled from the second contact piece.
- the dome contact piece can move depending on the movements of the two contact pieces and enables compensatory movements. If the convex sections extend only with respect to one plane, ie are only two-dimensionally convex, small-volume electrical contact arrangements result in which the dome contact piece can be pivoted within the plane.
- Such arrangements can have, for example, contact bolts punched out of sheet metal, the contact bolts being insertable into slot-shaped openings. Good contacting with good decoupling of lateral forces ensures that the convex sections are designed as rotationally symmetrical sections. Lateral movements of the first contact piece relative to the second contact piece are decoupled from one another while maintaining the required electrical contact.
- the first and second contact areas are designed as contact bolts and the third and fourth contact areas are designed as contact openings.
- the dome contact piece can be constructed in a simple shape.
- the dome contact piece can be designed in the form of an elongated sleeve which, like a tube, has contact openings at axially opposite ends. So it is possible to insert a cage made of contact lamellae within a base body, which generates the necessary forces for contacting the contact bolts.
- first and second contact areas are designed as contact openings and the third and fourth contact areas are designed as contact bolts.
- the dome contact piece can be designed in a very slim manner.
- the contact pieces can be compact, for example combined with shield electrodes.
- Such arrangements can be used, for example, for electrical contact arrangements in confined areas.
- first and fourth contact areas are designed as contact openings and the second and third contact areas are designed as contact bolts.
- Such an embodiment of an electrical contact arrangement allows both the production of an electrical contact tact using the dome contact piece with the advantages with regard to the decoupling of lateral forces occurring on the contact pieces, as well as the direct coupling of the contact pieces to one another.
- For direct coupling of the contact pieces to one another it is necessary to match the dimensions of the contact openings and the convex sections of the coupling contact piece or the contact pieces.
- a direct electrical connection of the contact pieces to one another can be provided, for example, on devices which do not expect any or only slight lateral movements of the contact pieces with respect to one another. This enables flexible use of the electrical contact arrangement on the one hand with and on the other hand without the coupling contact piece.
- the longitudinal axes of the contact bolts are arranged at an obtuse angle to one another in a projection.
- the longitudinal axes of the contact bolts should preferably be arranged approximately parallel and almost congruently with one another. This enables simple coupling. In a projection onto a plane, however, it is permissible for the longitudinal axes of the contact bolts to be arranged at an obtuse angle to one another.
- the electrical contact arrangement is therefore also suitable for compensating for manufacturing-related offsets or tilting of the contact pieces with respect to one another.
- a further advantageous embodiment can provide that the coupling contact piece is slidably mounted in a bearing socket.
- the contact areas are relieved of forces which are caused by the mass of the dome contact piece.
- the bearing pan guides the dome contact piece and absorbs its weight.
- the storage pan can be made of different materials, such as metals or plastics. Self-lubricating plastics, for example, are particularly advantageous because they enable the coupling contact piece to slide easily in the bearing socket.
- a suitable plastic is, for example, polytetrafluoroethylene.
- one of the contact bolts reaches through the bearing socket.
- the bearing pan lies in one of the contact openings.
- Arrangements of the bearing socket around a contact pin or within a contact opening enable very compact configurations of the electrical contact arrangement.
- the same assembly can be used to hold the bearing socket, which also carries a contact bolt or a contact opening. Separate interception and support devices for holding the dome contact piece are not required.
- the bearing socket enables the dome contact piece to move on all sides towards a longitudinal axis of the dome contact piece.
- the electrical contact arrangement is effectively relieves all layers of weight forces of the dome contact piece.
- the dome contact piece can itself be rotatable about its longitudinal axis and can also perform wobbling movements.
- the bearing shell can be constructed in such a way that even precessional movements around the longitudinal axis of the dome contact piece are supported.
- sections of a spherical cap can be provided as the bearing pan, wherein both the concave and the convex side of the spherical cap can be used as a bearing pan.
- a further advantageous embodiment can provide that at least one of the contact openings is delimited by a surface that is part of a spherical cap.
- the surface that delimits one of the contact openings can serve as a counter bearing for the bearing pan.
- a dome-shaped delimitation of the contact opening also represents a dielectric design.
- Figure 1 shows a first embodiment of an electrical contact arrangement
- Figure 2 shows a second embodiment of an electrical contact arrangement
- Figure 3 shows a third embodiment of an electrical contact arrangement
- Figure 4 shows a fourth embodiment of an electrical contact arrangement
- Figure 5 shows a pressure gas insulated circuit breaker in a dead tank design with an electrical contact arrangement.
- FIG. 1 shows a first variant of an electrical contact arrangement 100.
- the electrical contact arrangement 100 has a first contact piece 101 and a second contact piece 102.
- the first contact piece 101 is fastened to a first contact carrier 103.
- the attachment takes place, for example, by means of a screw connection.
- the second contact piece 102 is fastened to a second contact carrier 104.
- the contact carriers 103, 104 are mechanically decoupled from one another.
- the first contact piece 101 is electrically conductively connected to the second contact piece 102 by means of a dome contact piece 105.
- the second contact piece 102 is connected to the second contact carrier 104 in a manner not shown, for example by a screw connection.
- the first contact piece 101 and the second contact piece 102 are each designed as rotationally symmetrical bodies.
- a cylindrical body extends along their longitudinal axes.
- the longitudinal axes are aligned approximately parallel to one another. Ideally, the longitudinal axes are congruent.
- the contact pieces 101, 102 have a convex section.
- the convex sections are each formed by a spherical thickening.
- the dome contact piece 105 has a tubular base body 106.
- the tubular base body 106 is thickened to the front ends in each case in the form of a dome. This dome-shaped thickening serves to control the electric field.
- a contact lamella cage 107 is arranged in the interior of the base body 106.
- the contact lamella cage 107 springs.
- the dome contact piece 105 has a third contact area 108 and a fourth contact area 109.
- the third contact area 108 and the fourth contact area 109 are designed as contact openings, in this case as contact sockets.
- the first contact piece 101 has a first contact area 110 in the region of the convex section.
- the second contact piece 102 has a second contact area 111 in its convex section.
- the first and second contact areas 110, 111 are designed as contact bolts.
- the first contact area 110 is electrically conductively connected to the third contact area 108.
- the second contact area 111 is electrically conductively connected to the fourth contact area 109. Due to the rotationally symmetrical design of the first contact piece 101, the second contact piece 102 and the dome contact piece 105, the dome contact piece 105 is rotatable and longitudinally displaceable on the first contact piece 101 and the second contact piece 102.
- the contact lamella cage 107 is dimensioned in such a way that it presses on the first contact area 110 and the second contact area 111 and thereby an electrical contact tion ensures, wherein the dome contact piece 105 is still movable.
- a bearing socket 112 is arranged on the second contact piece 102 in order to relieve the contact areas from weight forces emanating from the mass of the coupling contact piece 105.
- the bearing pan 112 is annular and is penetrated centrally by the second contact piece 102.
- the bearing pan 112 has a substantially concave-shaped bearing area in which a convex-shaped section of the base body 106 is mounted.
- the bearing pan 112 is made of PTFE and thereby enables the coupling contact piece 105 to slide smoothly in the bearing pan 112.
- an enlarged assembly space can alternately be created for mounting the first contact piece 101 on the first contact carrier 103 and the second contact piece 102 on the second contact carrier 104, for example to loosen the screw connections provided for fastening.
- This enables simple installation and removal of the electrical contact arrangement.
- With a corresponding dimensioning of the contact pieces 101, 102 and the dome contact piece 105 there is also the possibility of completely pushing the dome contact piece 105 back onto one of the two contact pieces 101, 102 and thus creating an electrical separation point by means of the electrical contact arrangement 100.
- FIGS. 2, 3 and 4 show variants of an electrical contact arrangement which are approximately equivalent in terms of their mechanical and electrical properties.
- FIG. 2 shows a second variant of an electrical contact arrangement 200.
- the electrical contact arrangement 200 has a first contact piece 201 and a second contact piece 202.
- the first contact piece 201 is electrically conductively connected to the second contact piece 202 by means of a dome contact piece 203.
- the first contact piece 201 has a first contact area 204 designed as a contact opening.
- the second contact piece 202 has a second contact area 205 designed as a contact opening.
- the dome contact piece 203 is designed as a rotationally symmetrical elongated contact pin and has a third contact area 206 and a fourth contact area 207 at its ends.
- the third and fourth contact areas 206, 207 are each designed as convex sections, in the present exemplary embodiment shown in FIG. 2 in the form of a sphere.
- a bearing pan 208 located in the contact opening is assigned to the second contact piece 202.
- the bearing pan 208 is used to support the coupling contact piece 203.
- the third embodiment variant shown in FIG. 3 shows an electrical contact arrangement 300.
- the electrical contact arrangement 300 has a first contact piece 301 and a second contact piece 302.
- the first contact piece 301 is electrically conductively connected to the second contact piece 302 by means of a dome contact piece 304.
- the first contact area 305 of the first contact piece 301 is designed as a contact opening.
- the second contact area 306 of the second contact piece 302 is designed as a contact pin.
- the third contact area 307 of the dome contact piece 304 is likewise designed as a contact pin.
- the fourth contact area 308 of the dome contact piece 304 is designed as a contact opening.
- the contact bolts are in turn equipped with a ball forming a convex section and interact with the contact openings each having a contact lamella cage.
- an annular bearing socket 309 is assigned to the second contact piece 302.
- the fourth variant of an electrical contact arrangement 400 is shown in FIG.
- the electrical contact arrangement 400 has a first contact piece 401 and a second contact piece 402.
- the first contact piece 401 is electrically conductively connected to the second contact piece 402 by means of a dome contact piece 403.
- the first contact piece 401 has a first contact area 404.
- the first contact area 404 is designed as a contact opening.
- the second contact piece 402 has a second contact area 405.
- the second contact area 405 is as one spherical thickening contact pins formed.
- the dome contact piece 403 has a third contact area 406 and a fourth contact area 407.
- the third contact area 406 is designed as a contact pin.
- the fourth contact area 407 is designed as a contact opening.
- the dome contact piece 403 is supported in a bearing socket 408 via the spherical convex section of the third contact area 406.
- the bearing socket 408 is arranged in the contact opening formed as the first contact area
- FIG. 5 shows a characteristic application of one of the contact arrangements described above.
- FIG. 5 shows a compressed gas-insulated high-voltage circuit breaker 500.
- An interrupter unit 502 is kept insulated within an encapsulation housing 501.
- High-voltage free air bushings 503a, 503b are arranged on the encapsulation housing 501 for the passage of electrical conductors through a wall of the encapsulation housing 501.
- Electrical conductors 504a, b are held within the high-voltage outdoor bushings 503a, b.
- the electrical conductors 504a, b are held, for example, by means of pane insulators 505a, b.
- Electrical contact arrangements 506a, b described above are used to couple the electrical conductors 504a, b to the electrical connection points of the interrupter unit 502.
- the electrical contact arrangements 506a, b connect the interrupter unit 502 "flexibly" to the electrical conductors 504a, b.
- the vibrations occurring during a switching operation of the interrupter unit 502 are decoupled from the electrical conductors 504a, b by the electrical contact arrangements 506a, b.
- This decoupling means the mechanical load of the high-voltage outdoor bushings 503a.
- the fastening devices inside the high-voltage outdoor bushings 503a, b for fastening the electrical conductors 504a, b are thus protected from mechanical damage.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Gas-Insulated Switchgears (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connecting Device With Holders (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Contacts (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10306539 | 2003-02-13 | ||
DE2003106539 DE10306539B3 (en) | 2003-02-13 | 2003-02-13 | Electrical contact arrangement |
PCT/DE2003/004235 WO2004073007A1 (en) | 2003-02-13 | 2003-12-16 | Electric contact arrangement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1593138A1 true EP1593138A1 (en) | 2005-11-09 |
EP1593138B1 EP1593138B1 (en) | 2009-04-08 |
Family
ID=32863823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03815822A Expired - Lifetime EP1593138B1 (en) | 2003-02-13 | 2003-12-16 | Electric contact arrangement |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1593138B1 (en) |
CN (1) | CN1316527C (en) |
DE (2) | DE10306539B3 (en) |
RU (1) | RU2322739C2 (en) |
WO (1) | WO2004073007A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3049399A1 (en) * | 2016-03-25 | 2017-09-29 | General Electric Technology Gmbh | ELECTRICAL CONNECTOR FOR FORMING AN ANNULAR / SPHERICAL CONNECTION WITH AN ELECTRICAL DEVICE |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2330331B1 (en) * | 2009-12-04 | 2018-09-26 | Caterpillar Work Tools B. V. | Coupling device for connector components |
DE102013202333A1 (en) * | 2013-02-13 | 2014-08-14 | Siemens Aktiengesellschaft | compensator |
DE102013110477B4 (en) * | 2013-09-23 | 2021-11-04 | Phoenix Contact Gmbh & Co. Kg | Feed-through terminal and electrical construction equipment |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE619442C (en) * | 1930-05-18 | 1935-09-30 | Neumann Hochspannungs App G M | Push and pull disconnector |
US2086424A (en) * | 1934-05-05 | 1937-07-06 | Charles H Koehler | Electrical contact device |
US2123631A (en) * | 1935-07-08 | 1938-07-12 | Charles H Koehler | Electrical connecter |
US2179636A (en) * | 1936-03-09 | 1939-11-14 | Charles H Koehler | Electrical connector |
US3064226A (en) * | 1959-09-28 | 1962-11-13 | Fred H Cole | Vibration resistant connector |
US2954542A (en) * | 1960-01-11 | 1960-09-27 | Nathaniel B Wales | Floating buffer self-aligning electrical connector |
US3319214A (en) * | 1965-07-12 | 1967-05-09 | Dielectric Products Engineerin | Connectors |
DE2713121C3 (en) * | 1977-03-22 | 1981-02-05 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Coupling contact piece |
DD233446A1 (en) * | 1984-12-28 | 1986-02-26 | Liebknecht Transformat | CONTACT ARRANGEMENT FOR HIGH VOLTAGE SWITCHES AND CIRCUITS |
DD233447A1 (en) * | 1984-12-28 | 1986-02-26 | Liebknecht Transformat | CONTACT ARRANGEMENT FOR HIGH VOLTAGE SWITCHES AND CIRCUITS |
DE9113013U1 (en) * | 1991-10-17 | 1992-03-05 | Siemens AG, 8000 München | Compensator |
DE19737429C2 (en) * | 1997-08-21 | 2001-07-19 | Siemens Ag | Electrical coupling element for metal-encapsulated, gas-insulated functional areas |
-
2003
- 2003-02-13 DE DE2003106539 patent/DE10306539B3/en not_active Expired - Fee Related
- 2003-12-16 WO PCT/DE2003/004235 patent/WO2004073007A1/en active Application Filing
- 2003-12-16 RU RU2005128502/09A patent/RU2322739C2/en not_active IP Right Cessation
- 2003-12-16 DE DE50311405T patent/DE50311405D1/en not_active Expired - Lifetime
- 2003-12-16 CN CNB2003801096726A patent/CN1316527C/en not_active Expired - Fee Related
- 2003-12-16 EP EP03815822A patent/EP1593138B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO2004073007A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3049399A1 (en) * | 2016-03-25 | 2017-09-29 | General Electric Technology Gmbh | ELECTRICAL CONNECTOR FOR FORMING AN ANNULAR / SPHERICAL CONNECTION WITH AN ELECTRICAL DEVICE |
Also Published As
Publication number | Publication date |
---|---|
RU2005128502A (en) | 2006-04-10 |
RU2322739C2 (en) | 2008-04-20 |
EP1593138B1 (en) | 2009-04-08 |
CN1316527C (en) | 2007-05-16 |
DE10306539B3 (en) | 2004-09-23 |
WO2004073007A1 (en) | 2004-08-26 |
DE50311405D1 (en) | 2009-05-20 |
CN1748277A (en) | 2006-03-15 |
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