WO2011000684A1 - Endarmatur eines elektrischen bauteils und verfahren zum verpressen einer endarmatur - Google Patents
Endarmatur eines elektrischen bauteils und verfahren zum verpressen einer endarmatur Download PDFInfo
- Publication number
- WO2011000684A1 WO2011000684A1 PCT/EP2010/058246 EP2010058246W WO2011000684A1 WO 2011000684 A1 WO2011000684 A1 WO 2011000684A1 EP 2010058246 W EP2010058246 W EP 2010058246W WO 2011000684 A1 WO2011000684 A1 WO 2011000684A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- end fitting
- pressing
- recess
- segments
- body edge
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
- H01C7/126—Means for protecting against excessive pressure or for disconnecting in case of failure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49945—Assembling or joining by driven force fit
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53961—Means to assemble or disassemble with work-holder for assembly
- Y10T29/5397—Means to assemble or disassemble with work-holder for assembly and assembling press [e.g., truss assembling means, etc.]
Definitions
- the invention relates to an end fitting of an electrical component, in particular a surge arrester, with a recess for receiving a rod, wherein the rod is compressible within the recess by an external force on the end fitting. Furthermore, the invention relates to an apparatus and a method for pressing an end fitting of a surge arrester.
- these metallic parts When pressing the metallic components of the electrical component, these metallic parts usually have simple and rotationally symmetrical geometries, so that a compression of the metallic component of the electrical component is easy to ensure.
- the metallic component of the electrical Component for example, by the so-called Käfigdesign® for surge arrester - several annular rods arranged in an end fitting as a metallic component of the surge arrester are connected by pressing together.
- the metallic component is provided with a round outer contour, which is configured corresponding to the inner contour of a corresponding press.
- US Pat. No. 5,757,604 describes an end fitting of a surge arrester, which has a cross shape, so that gases arising in the event of a short circuit can be diverted along these deviations from the cross-sectional contour on the outer wall of the surge arrester.
- the problem with the previous method for pressing a metallic component of an electrical component is that the at least circular recess of the counterpart to be pressed is not pressed on all sides. This results from the fact that around the recess due to the outer press a non-sided force is generated, so that the example formerly circular recesses assume an elliptical shape after pressing. An example so compressed rod within the circular recess is therefore not pressed on all sides within the recess, but only at certain points of the forming after pressing elliptical shape of the recess. As a result, stress peaks can arise within the recesses under load, which can result in damage to the rods.
- the degree of compression must therefore be based on these voltage spikes and the connection can be exploited only to a lesser degree than would be the case with an all-round pressing. It is therefore an object of the present invention to produce an almost all-round force effect when pressing a metallic component of an electrical component within the recess, so that compression of a corresponding counterpart within the recess is ensured on all sides.
- the object is also achieved by a device for pressing an end fitting according to the features of claim 9. Furthermore, the object is achieved by a method for pressing an end fitting according to the features of claim 13.
- an end fitting of an electrical component in particular a surge arrester, is provided with a recess for receiving a rod, the recess being surrounded by an arcuately bounded body edge of the end fitting, distances between points on the arcuately limited body edge and a center line. point of the recess are equidistant.
- an arcuately delimited body edge around the recess ensures, with an external force effect, that the recess is compressed due to the force effect - at least in the corresponding segment of the arcuately limited body edge - and thus a bar inserted within the recess is pressed on all sides in this segment , Due to the conception of an equidistant distance between points on the arcuately delimited body edge and a center of the recess it is ensured that at a uniform material of the end fitting and a uniform force on the arcuately limited body edge of the end fitting a all-round and uniform compression of the recess is guaranteed.
- Recess in the sense of the definition is any recess within the end fitting into which a second component to be pressed can be inserted.
- circular or otherwise rotationally symmetrical shapes for example a triangular or hexagonal shape, are recesses in the sense of the present invention.
- a plurality of arcuately limited body edges are arranged equidistantly as an outer edge of the end fitting.
- a cross- or star-shaped arrangement wherein each arcuately limited body edge defines a segment of the cross or the star, offers the advantage that an all-round and rotationally symmetrical arrangement of the recess on the end fitting is possible. This ensures a corresponding all-round and rotationally symmetrical compression of the end fitting with corresponding components, in particular rods. Furthermore, the stresses and forces within the bars are evenly distributed to the end fitting.
- arcuate contour lines are arranged between the arcuately delimited body edges. Between the arcuately limited body edges for applying an external force to the end fitting, arcing peaks during the pressing can be avoided by arcuately designed contour lines of the end fitting. In the case of straight or pointed contour lines, the risk of breakage within this would Structures may be possible because these structures could lead to an accumulation of stresses and thus to cracks within the end fitting.
- the arc-shaped limited body edge has an angular range of at least 180 ° with respect to the center of the recess. In the event that one
- each arcuately limited body edge is advantageously assigned in each case a recess, so that a uniform compression of all recesses located on an end fitting is possible.
- the recess is circular.
- the end fitting is designed so that a plurality of recesses have length and / or angle equidistant to a center of the end fitting. In the case of an all-round and uniform force on the entire end fitting thus an all-round and uniform compression of the recesses located on the end fitting is possible.
- the end fitting comprises an aluminum mixture, in particular a LY12-aluminum mixture.
- the eigen- Shafts of this aluminum mixture allow a uniform compression of the end fitting.
- a device for pressing an end fitting wherein a pressing segment has a corresponding shape to at least one arcuately limited body edge of the end fitting.
- a corresponding shape of the press segment to the arcuately limited body edge of the end fitting is an all-round and uniform application of an external force on the arcuately limited body edge of the end fitting given.
- a uniform and all-round compression of the recess within the end fitting is possible.
- several pressing segments are arranged on all sides enclosing the end fitting, wherein the pressing segments exert an all-round force on the end fitting and on the arcuately limited body edges on the recess, resulting in an all-round and uniform compression of the recess.
- a pressing edge of the pressing segments of the contour of the corresponding arcuately limited body edge and the arcuate contour line of the end fitting almost corresponds.
- the pressing segments are configured as circular segments, the force acting on the pressing segments and thus on the end fitting via a circular press. is indirectly applied.
- a press which decreases in radius, an all-round pressing action on the pressing segments and due to an immediate contour of the pressing segments with the outer contour of the end fitting an immediate force on the end fitting and thus on the recess can be exercised.
- a method for crimping an end fitting of a surge arrester with a recess wherein a rod is compressed within the recess and the end fitting having an arcuately limited body edge around the recess, wherein distances between points on the arcuately limited body edge and a center the recess are equidistant to be arranged in a press.
- the press has pressing segments which have a contour corresponding to the curved body edge and are pressed onto the pressing segments and the end fitting due to the pressing action of the press.
- the pressing segments are configured as circular segments and a press that reduces the circumference of the circumference is used to press the end fitting. In this case, several rods are advantageously pressed into each associated recesses.
- Figure 1 is a plan view of a star-shaped end fitting.
- FIG. 2 is a plan view of a cross-shaped end armature
- 3 shows a plan view of a star-shaped end fitting within four pressing segments; 4 shows a perspective view of an overvoltage arrester with two end fittings.
- Fig. 1 shows a plan view of a star-shaped end fitting 1 with eight arcuately limited body edges 4a to 4h with respective recesses 2a to 2h and respective centers of the recesses 3a to 3h. Furthermore, in the star-shaped end fitting 1, the arcuate contour lines 6a to 6h are drawn, so that a uniform compression of bars 7 (not shown) is possible with an all-around equal force on the outer body edge 5 of the end fitting.
- the arc-shaped limited body edges 4a to 4h are equidistant and distributed relative to a center 8 of the end fitting 1 uniformly on the outer edge of the end fitting 1.
- an end fitting 1 is shown as a cruciform shape with four arcuately shaped body edges 4a to 4d.
- Fig. 3 shows a plan view of a cross-shaped end fitting 1, which is arranged within four pressing segments 9a to 9d.
- the pressing segments 9a to 9d have sections of a circular segment-shaped contour, wherein the inner contour of the pressing segments 9a to 9d of the outer contour 5 of the end fitting 1 corresponds.
- FIG. 4 shows a perspective view of an overvoltage arrester 11 with two end fittings 1, wherein the end fittings 1 are of cruciform design.
- rods 7 are inserted in each case, which by means of the Pressed direction for pressing.
- the rods 7 are advantageously constructed of glass fiber reinforced plastics.
- additional electrical elements for example varistor elements 12 and spring elements, can be inserted.
- the pressing of a surge arrester 11 designed in this way can take place such that first the first end fitting 1 is pressed together with the rods 7 inside a press 10 (not shown) and then the first end fitting 1 with the pressed rods 7 is removed from the press 10.
- further elements for example varistor elements 12, can be arranged within the bars 7.
- the second end fitting 7 can be set on the rods 7, optionally put under tension axially and then be pressed radially by means of the press 10.
- a contour compression of an end fitting 1 can be carried out in such a way that an all-round and uniform force effect on the recess 2a to 2h is ensured.
- the all-round force on the recess 2a to 2h ensures a corresponding uniform deformation of the recess 2a to 2h to the pressed-in part, in particular a rod 7.
- the connection of a cage-shaped structure of glass fiber reinforced plastic rods 7 with an end fitting 1 is the distribution of Force entry and the deformation of the recesses 2a to 2h to the rods 7 no longer as in the prior art elliptical, but almost circular.
- the press connection can be exploited higher and the transmitted forces on the recess 2a to 2h rise.
- An additional advantage of the present invention is that, unlike a circular end fitting 1, material can also be saved due to the reduced size of a star or cross-shaped shape of the end fitting 1-.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Automatic Assembly (AREA)
- Thermistors And Varistors (AREA)
- Insulators (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI1011555A BRPI1011555A2 (pt) | 2009-06-30 | 2010-06-11 | terminal conector de uma parte elétrica e método para pressionar um terminal conector |
US13/381,553 US20120100763A1 (en) | 2009-06-30 | 2010-06-11 | End fitting of an electrical part and method for pressing an end fitting |
CN2010800295900A CN102473495A (zh) | 2009-06-30 | 2010-06-11 | 电气组件的端部配件以及端部配件的压紧方法 |
EP10725415A EP2449563A1 (de) | 2009-06-30 | 2010-06-11 | Endarmatur eines elektrischen bauteils und verfahren zum verpressen einer endarmatur |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009031571.3 | 2009-06-30 | ||
DE102009031571A DE102009031571A1 (de) | 2009-06-30 | 2009-06-30 | Endarmatur eines elektrischen Bauteils und Verfahren zum Verpressen einer Endarmatur |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011000684A1 true WO2011000684A1 (de) | 2011-01-06 |
Family
ID=42543409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/058246 WO2011000684A1 (de) | 2009-06-30 | 2010-06-11 | Endarmatur eines elektrischen bauteils und verfahren zum verpressen einer endarmatur |
Country Status (7)
Country | Link |
---|---|
US (1) | US20120100763A1 (de) |
EP (1) | EP2449563A1 (de) |
KR (1) | KR20120092007A (de) |
CN (1) | CN102473495A (de) |
BR (1) | BRPI1011555A2 (de) |
DE (1) | DE102009031571A1 (de) |
WO (1) | WO2011000684A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2846333A1 (de) | 2013-09-09 | 2015-03-11 | Siemens Aktiengesellschaft | Gasisolierter Überspannungsableiter |
US10329985B2 (en) | 2017-06-27 | 2019-06-25 | Tenneco Automotive Operating Company Inc. | Impingement mixer for exhaust treatment |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120109207A1 (en) * | 2010-10-29 | 2012-05-03 | Warsaw Orthopedic, Inc. | Enhanced Interfacial Conformance for a Composite Rod for Spinal Implant Systems with Higher Modulus Core and Lower Modulus Polymeric Sleeve |
DE102011078207A1 (de) * | 2011-06-28 | 2013-01-03 | Siemens Aktiengesellschaft | Überspannungsableiter |
US9185828B2 (en) | 2011-11-17 | 2015-11-10 | Cray Inc. | Rack mounted electronics having connectors with heat cooling fingers |
US9167726B2 (en) * | 2011-11-17 | 2015-10-20 | Cray Inc. | Transverse cooling system and method |
GB201405753D0 (en) * | 2014-03-31 | 2014-05-14 | M & I Materials Ltd | Varistor |
DE102015007933B4 (de) * | 2015-06-19 | 2017-06-22 | Tridelta Überspannungsableiter Gmbh | Überspannungsableiter, Verfahren zur Herstellung eines Überspannungsableiters |
DE102016211925A1 (de) * | 2016-06-30 | 2018-01-04 | Siemens Aktiengesellschaft | Überspannungsableiter, Herstellungsverfahren und Crimp-Vorrichtung |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4424547A (en) * | 1980-11-04 | 1984-01-03 | General Electric Company | Surge suppressor construction |
US5757604A (en) * | 1996-06-27 | 1998-05-26 | Raychem Corporation | Surge arrester having grooved and ridged terminals |
DE102007010857A1 (de) * | 2007-03-01 | 2008-09-04 | Siemens Ag | Überspannungsableiter mit einer Varistoranordnung und Varistormodul zur Verwendung in einem Überspannungsableiter |
DE102007057265A1 (de) * | 2007-11-26 | 2009-05-28 | Siemens Ag | Isolatoranordnung |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL198024A (de) * | 1954-07-06 | |||
DE29520465U1 (de) * | 1995-12-22 | 1996-03-14 | HSP Hochspannungsgeräte Porz GmbH, 51145 Köln | Flansch |
US5680289A (en) * | 1996-06-27 | 1997-10-21 | Raychem Corporation | Surge arrester |
US6229094B1 (en) * | 1998-11-16 | 2001-05-08 | Hubbell Incorporated | Torque prevailing crimped insulator fitting |
DE29905311U1 (de) * | 1999-03-17 | 1999-06-10 | Siemens AG, 80333 München | Überspannungsableiter mit wenigstens einem Zugelement |
US6792866B2 (en) * | 2002-05-28 | 2004-09-21 | Halliburton Energy Services, Inc. | Circular shaped charge |
US7207204B2 (en) * | 2004-02-26 | 2007-04-24 | Boston Scientific Scimed, Inc. | Crimper |
GB0414131D0 (en) * | 2004-06-24 | 2004-07-28 | Tyco Electronics Raychem Irela | A method of manufacturing a crimped assembly, and related apparatuses |
-
2009
- 2009-06-30 DE DE102009031571A patent/DE102009031571A1/de not_active Withdrawn
-
2010
- 2010-06-11 KR KR1020117031409A patent/KR20120092007A/ko not_active Application Discontinuation
- 2010-06-11 EP EP10725415A patent/EP2449563A1/de not_active Withdrawn
- 2010-06-11 BR BRPI1011555A patent/BRPI1011555A2/pt not_active IP Right Cessation
- 2010-06-11 WO PCT/EP2010/058246 patent/WO2011000684A1/de active Application Filing
- 2010-06-11 CN CN2010800295900A patent/CN102473495A/zh active Pending
- 2010-06-11 US US13/381,553 patent/US20120100763A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4424547A (en) * | 1980-11-04 | 1984-01-03 | General Electric Company | Surge suppressor construction |
US5757604A (en) * | 1996-06-27 | 1998-05-26 | Raychem Corporation | Surge arrester having grooved and ridged terminals |
DE102007010857A1 (de) * | 2007-03-01 | 2008-09-04 | Siemens Ag | Überspannungsableiter mit einer Varistoranordnung und Varistormodul zur Verwendung in einem Überspannungsableiter |
DE102007057265A1 (de) * | 2007-11-26 | 2009-05-28 | Siemens Ag | Isolatoranordnung |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2846333A1 (de) | 2013-09-09 | 2015-03-11 | Siemens Aktiengesellschaft | Gasisolierter Überspannungsableiter |
US10329985B2 (en) | 2017-06-27 | 2019-06-25 | Tenneco Automotive Operating Company Inc. | Impingement mixer for exhaust treatment |
Also Published As
Publication number | Publication date |
---|---|
CN102473495A (zh) | 2012-05-23 |
US20120100763A1 (en) | 2012-04-26 |
KR20120092007A (ko) | 2012-08-20 |
DE102009031571A1 (de) | 2011-01-20 |
EP2449563A1 (de) | 2012-05-09 |
BRPI1011555A2 (pt) | 2016-03-29 |
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