CN1461508A - Connector housing for gas insulated medium-voltage switching device - Google Patents
Connector housing for gas insulated medium-voltage switching device Download PDFInfo
- Publication number
- CN1461508A CN1461508A CN02801288A CN02801288A CN1461508A CN 1461508 A CN1461508 A CN 1461508A CN 02801288 A CN02801288 A CN 02801288A CN 02801288 A CN02801288 A CN 02801288A CN 1461508 A CN1461508 A CN 1461508A
- Authority
- CN
- China
- Prior art keywords
- crimp
- casing
- sidewall
- framework
- depth
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/01—Frameworks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/045—Details of casing, e.g. gas tightness
Abstract
The invention relates to a connector housing for a cable outlet, transformer outlet or fuse outlet in a gas insulated medium-voltage substation which is embodied in such a way that it can counter the occurrence of disruptive electric arcs in a reinforced manner. To achieve this, the receiving frame (23) is s provided with dual sheet metal (28). The edge-sided sheet of metal (20) which is drawn forward is folded back after the depth T1 of the receiving frame has been formed. The folded back sheet metal is brought straight back into the housing at a length L which is comparable to that of the depth of the receiving frame (23). An edge (26) oriented toward the side wall (21) is formed after the length (24) has been brought back to form a hollow area (rectangular profile), whereby a root is created for a disruptive electric arc on the inner edge of the hollow area. Said root can be fused and flow off without any direct external discharge of the melt or plasma material.
Description
The present invention relates to a kind of according to single district or multi-region (mehrfeldriges), metal the connect box described type of independent claims preamble, that be used for cable distribution, transformer tap or protector tap on the gas isolated medium voltage switchgear equipment.
This class connect box is by Felten ﹠amp; The product sample (10/1999) of Guilleaume Anlagen GmbH company (Krefeld), document number is that the user profile " Mittelspannungsschaltanlagen bis 24 kV; SF6-isoliert; einfeldig anreihbar, Typ GE " (" single district of GE type upper limit 24KV, SF6 insulation can be connected in series medium voltage switchgear equipment ") of E62.8D23.7 is known.The multi-region connect box that oneself knows by the document has at least one midfeather of separating as casing, and on the openable accessible areas in the front side in casing district, constitute the framework that holds that is used for plugboard or preceding shutter, make two opposed edges side panels bend in the accessible areas and after constituting a narrow bar, hold the degree of depth of framework with formation to front curve.In holding framework, insert the pin (for example nut bolt) that has the termination, the hook spare of shutter before being used for admitting, preceding shutter can be hooked on this pin, covers accessible areas.
For security reasons, common available lock of preceding shutter or latch pin.Connect box can be made with steel plate zinc-plated or japanning.A carrying handle also can be set on preceding shutter.
Gas isolated medium voltage switchgear equipment is used in the non-moving power distribution station of power distribution network by electricity power enterprise usually owing to size is little.All cable joints are set at the front (accessible areas) of gas container.Owing to require accessibility, the HH protector also is positioned at here.As the protection to operating personnel, cable joint and HH protector are connected casing and cover.Can a casing separating part be set for each cable distribution zone or transformer tap zone.
When may be because insulation fault or setup error when causing between the cable plug short circuit, produce high pressure in casing.Also have such danger, that is: fault electric arc reaches the wallboard burn through because the plasma mist of overflowing is endangered operating personnel's utmost point.Therefore, in the deathtrap, use usually stacked conducting plate or with plastic plate or hardboard as liner plate.Though the labyrinth by wallboard can improve compression resistance intensity and the anti-ability of burning, this is not economic scheme.Especially under the situation of using the electrically non-conductive material liner plate, have such problem: the meeting of fault electric arc basic point " is fixed " on a little position that is not covered by liner plate, because be earth potential here.Therefore, these positions that are not capped special hazard aspect burning.
Task of the present invention is, a kind of not only cheap but also stable and connect box of anti-fault electric arc particularly is provided.
The solution of this task is the feature of independent claims.Other further configuration provides in the dependent claims.
Core of the present invention is, prone edge side panel (preferably comparatively long vertical side) after formation is held the degree of depth of framework by crimp, form a doubling plate thus, directly directly in casing, returned a length that is equivalent to hold frame depth by the plate of crimp, and constitute a vertical flanging towards sidewall in the back of returning length to form a cavity (having rectangular profile shape).The advantage of this structure is: for the fault electric arc on the seamed edge in the cavity provides a basic point, this basic point can be melted and consume, and does not have molten material or directly outwards effusion of plasma material.
The cavity that constitutes according to the present invention is preferably disposed on the long vertical vertically side of accessible areas.The narrow side of accessible areas also can be provided with the crimp of this formation cavity.As also describing, suggestion preferably combines the particular configuration of seamed edge on the preceding shutter with the particular configuration of the adjacent seamed edge of connect box lid.The narrow side of downside of preceding shutter is arranged in the less zone that is subjected to fault electric arc harm.Therefore, the structure of settling according to the present invention can be set sometimes on the downside of preceding shutter.
That carries out in order to form cavity preferably separates a distance termination that is equivalent to thickness of slab with sidewall towards the flanging of sidewall.On sidewall, replenish after the gap that forms allows thus a stiffener or liner plate are set.
Holding on two opposite vertical sides of framework, on preferably vertical vertical side, respectively insert at least one blind rivet with plug-in mounting before shutter, on rivet, have a big termination.This blind rivet is arranged in the double-deck part of sidewall.By big termination and corresponding big lip diameter, shutter and protect it to avoid the infringement of the fault electric arc pressure that produces in inside before the guiding of this rivet plane.
The top edge of preceding shutter preferably takes the shape of the letter U and constitutes downwards unlimitedly.In the case, before the sensing of loam cake the edge-perpendicular of shutter downwards towards preceding shutter crimp and form a narrow end face bar.Complementally be connected a U-shaped crimp that is open upwards (twice vertical crimp) with the U-shaped configuration of preceding shutter top edge, the top edge of shutter before this U-shaped crimp holds.Produce a cavity or labyrinth by the U-shaped configuration of lid and the respective configuration of preceding shutter top edge, it is used for stoping overflows and cooling hot gas.
In order to separate casing, at least one (preferably vertical) is used to constitute the midfeather that holds framework second vertical side and extends forward and hold in formation after the degree of depth of framework by crimp (180 °) from accessible areas is straight, at this, form a doubling plate, at least one blind rivet is threaded in this doubling plate so that the preceding shutter of plug-in mounting.
A wall batten is being set on the midfeather and is being fixed on the midfeather, this wall batten is not to reach in the degree of depth of casing always.The bending (stretching into) vertically of this wall batten is in accessible areas.After constituting a narrow bar, this wall batten vertically to front curve and hold the degree of depth of framework in formation after by 180 ° of crimps, at this, form a doubling plate.In holding frame area, directly directly in casing, returned a length that is equivalent to hold frame depth, and it constitutes a vertical flanging towards midfeather on the end by the wall batten of complete crimp.This wall batten is fixed together by a short blind rivet and midfeather.
The doubling plate that passes through complete crimp formation of midfeather is connected by the wall batten of a sleeve pipe with complete crimp in holding frame area, penetrates a long blind rivet in this sleeve pipe.At this, reach high shear strength by in every laminate of doubling plate, penetrating a sleeve pipe.
The edge of the toward side wall of upper horizontal lid is towards sidewall crimp and form a narrow end face bar downward vertically.This sidewall vertically bends in the casing, to form and being connected of covering.In the part that continues of end face bar, cover plate extend in the casing by vertical crimp equally.There, lid interconnects with sidewall.The compound plate that stretches into the sidewall in the casing prolong to surpass being connected (degree of depth of crimp bar) and towards covering crimp vertically upward, forming a cavity between lid and the sidewall.This upward folded also to stability and gas turns work.
Preceding shutter can be strengthened with a liner plate, and this liner plate remains on the preceding shutter with locking device.This liner plate is fixed in the zone of carrying handle at the back side of preceding shutter.Should fixing can't see from the front.
Preferably a sidewall of casing also can be strengthened with liner plate.These stiffeners or liner plate can be made with plastics or cardboard, and they can be loaded onto by simple fixture.
An embodiment shown in the drawings specifically illustrates among the figure:
Fig. 1: the front view of three district's connect boxes of a preceding shutter sealing of quilt,
Fig. 2: right corner zone (position A among Fig. 1),
Fig. 3: left corner area (position B among Fig. 1),
Fig. 4: seamed edge (position C among Fig. 1),
Fig. 5: the local X among Fig. 4, and
Fig. 6 a: zone of midfeather (position D among Fig. 1).
Fig. 1 illustrates metal three district's metal connect boxes of three preceding shutter 10 sealings of a usefulness, wherein, local detail A, B and C further describe in the accompanying drawing of back.This connect box has two midfeathers 40 (position D) as the casing separating part that is used for cable distribution, transformer tap or protector tap.
On the openable accessible areas 12 in the front side in each casing district, constitute one be used for before shutter 10 hold framework 23.Here, by crimp vertically and curve inwardly, more vertically to length of front curve, this length is equivalent to hold the degree of depth T1 of framework 23 to the edge side panel 20 that constitutes a sidewall 21 behind fillet 13 of formation accessible areas 12 in.
In holding framework 23, insert the rivet 4 that has big termination 6, hook spare 14 (see figure 3)s that are used for admitting shutter 10 before being placed in.Preceding shutter 10 can hang on the rivet in the side, and accessible areas 12 is capped.Be provided with blocking element 16 in the upper area of preceding shutter 10, these blocking elements are for example taken bolt and are in the locked position of coupler by holding on framework 23 top edges one in inside, and shutter 10 lifts before stoping.A carrying handle 17 is housed in the lower area of preceding shutter.Preceding shutter 10 can be strengthened by a liner plate 50 on medial surface.This liner plate on the shutter 10 and be fixed on below in the zone of carrying handle 17, be can't see in the front side before locking device (latch or lock 16) remains in the above.
In the detail view of Fig. 2 to 6, described and held framework.Holding framework 23 makes by the section of extending forward of edge side panel.
Plate by 180 ° of crimps directly turns back in the casing.Turn back to the degree of depth T1 that length L in the casing is equivalent to hold framework 23.After returning length L, constitute a vertical flanging 26 towards sidewall 21.By this flanging, in the angle of connect box, form a cavity.Towards the flanging 26 of sidewall 21 not by the sidewall of extending fully on, but stop (Fig. 4) with distance that sidewall leaves an about thickness of slab.In the free space that forms by distance, pack into a liner plate 50 ', this liner plate can be at the Background Region internal fixation of casing on sidewall.
The right and the left side of the top edge 18 of shutter 10 before Fig. 2 and 3 illustrates.Fig. 3 illustrates a section that is parallel to sidewall.Before the top edge 18 of shutter 10 formation that takes the shape of the letter U.Before the sensing of box cover 80 edge of shutter 10 with respect to preceding shutter 10 vertically downward crimp and form a narrow end face bar 84 '.Complementally be connected a U-shaped crimp (twice vertically upward) with the U-shaped configuration of the top edge 18 of preceding shutter 10, the top edge 18 of shutter 10 before it holds.By crimp bar 81 ' with to top edge 82 ' constitute a cavity with the crimp of the top edge 18 of preceding shutter 10 is common.
Fig. 2 illustrates a section that is parallel to preceding shutter surface.The edge of the toward side wall 21 of loam cake 80 is towards sidewall 21 crimp and constitute a narrow end face bar 84 vertically.Should (Fig. 1 right side) sidewall 21 stretch into (crimp bar 81) in the casing with form with cover 80 be not shown specifically be connected.In the continual-connecting-part of end face bar 84, the plate of lid 80 extend in the casing by vertical crimp equally.These two laths that stretch into of lid 80 and sidewall 21 for example interconnect by rivet there.The length that stretches into the edge side panel 20 of the sidewall in the casing surpass cover 80 and sidewall between the degree of depth of crimp bar 81.Section 82 quilts that grow upwards (towards lid) bending also constitute a unlimited cavity there.
Fig. 6 illustrates the structure of a midfeather, and this midfeather is used for the casing of multi-region casing and separates.The plate of midfeather 40 directly extends 180 ° of also complete crimps forward in holding the degree of depth of framework, formation double layer material 28 '.Hold the frame facet bar for what form the adjacent contact opening, used a wall batten 42, it is not to extend to fully in the degree of depth of casing.This wall batten 42 is fixed on the midfeather 40 by at least one rivet 54.
Previously describedly constitute folding corner region according to the present invention by the plate that stretches into casing and the crimp that is used to form cavity and also be applied on the wall batten 42.For this reason, this wall batten 42 stretch in the accessible areas 12 by vertical crimp and form a narrow bar 13 '.Wall batten 42 in continual-connecting-part vertically to front curve, then by crimp (180 °) fully.This crimp (doubling plate) with hold framework 23 and have identical degree of depth T1.In order to constitute previously described cavity, in casing, directly directly returned a length L (reference number 24) that is equivalent to hold the degree of depth T1 of framework 23 by the wall batten 42 of crimp.Constitute flanging 26 there towards midfeather 40.This crimp stops on this wall batten apart from ground continuously.As already mentioned, wall batten 42 is fixing with midfeather 40 by rivet 54.Midfeather 40 pass through the doubling plate 28 that crimp forms ' in the zone that holds framework 23 by a sleeve pipe 53 be through this sleeve pipe in long blind rivet 55 be connected by the wall batten 42 of crimp.
Claims (9)
1. be used for cable distribution, transformer tap or protector tap, metal single the district or the multi-region connect box on the gas isolated medium voltage switchgear equipment, wherein, under the situation of multi-region casing, have at least one midfeather (40) and separate as casing,
Wherein, the openable accessible areas (12) in a casing district go up constitute like this one be used for preceding shutter (10) hold framework (23), make an edge side panel (20) that constitutes sidewall (21) bend in the accessible areas (12) and constituting a narrow bar (13) back to length of front curve corresponding to the degree of depth of holding framework (23) (T1), and, the pin (4) that has termination (6) of packing in holding framework (23) is arranged on the hook spare (14) in the preceding shutter (10) with admittance, preceding shutter (10) can be hooked on this pin and go up covering accessible areas (12), it is characterized in that:
Prone edge side panel (20) by crimp, forms a doubling plate (28) in the degree of depth (T1) back that formation is held framework (23) thus, and
Directly in casing, returned the length (L) of a degree of depth (T1) that is equivalent to hold framework (23) and constitute a flanging (26) afterwards to constitute a cavity returning length (L) by the plate of crimp towards sidewall (21).
2. according to the connect box of claim 1, it is characterized in that: flanging (26) and the sidewall towards sidewall (21) leaves a distance that is equivalent to thickness of slab and stops.
3. according to the connect box of claim 1 or 2, it is characterized in that: the rivet with increasing termination (6) (4) that pin holds in the framework (23) as insertion constitutes.
4. according to the connect box of one of above claim, it is characterized in that: the top edge (18) of preceding shutter (10) formation that takes the shape of the letter U, and, the edge of the preceding shutter (10) of the sensing of box cover (80) is towards preceding shutter (10) crimp and form a narrow end face bar (84 '), and, complementally be connected the crimp of a U-shaped with the U-shaped configuration of the top edge (18) of preceding shutter (10), this crimp holds the top edge (18) of preceding shutter (10).
5. according to the connect box of one of above claim, it is characterized in that: under the situation of multi-region casing, in order to constitute a vertical side (22) that is arranged in the casing separating part that holds framework (23), a wall batten (42) is parallel to a midfeather (40) arrangement and fixes with this midfeather, this wall batten is not to reach in the degree of depth of casing always, and, this wall batten (42) stretches in the accessible areas (12), after constituting a narrow bar (13 '), wall batten (42) holds the degree of depth (T1) back of framework (23) by crimp to front curve and in formation, at this, form a doubling plate (28), the wall batten (42) of crimp directly returns the length (L) of a degree of depth (T1) that is equivalent to hold framework (23) and constitutes a flanging towards midfeather (40) (26) in casing in the zone that holds framework (23), and this wall batten (42) is undertaken by a rivet (54) with the fixing of midfeather (40).
6. according to the connect box of claim 5, it is characterized in that: the wall batten (42) that passes through doubling plate (28) that crimp (28 ') forms and crimp in the zone that holds framework (23) of midfeather (40) is connected with long blind rivet (55) in penetrating this sleeve pipe by a sleeve pipe (53).
7. according to the connect box of one of above claim, it is characterized in that: the edge of the toward side wall (21) of loam cake (80) is towards sidewall (21) crimp and constitute a narrow end face bar (84), sidewall (21) extend in the casing, be connected in the degree of depth of crimp bar (81), to form with lid (80), and, in the part that continues of end face bar (84), the plate of lid (80) also extend in the casing, lid (80) is connected on crimp bar (81) with sidewall (21), the edge side panel (20) that extend into the sidewall in the casing prolong to surpass the degree of depth of the crimp bar (81) between lid (80) and the sidewall and towards lid (80) crimp (upward folded 82 '), forms a cavity.
8. according to the connect box of one of above claim, it is characterized in that: preceding shutter (10) is strengthened by a liner plate (50) in the inboard, and this liner plate remains on preceding shutter (10) with locking device (16) and goes up and be fixed in the zone of carrying handle (17) on preceding shutter (10) medial surface.
9. according to the connect box of one of above claim, it is characterized in that: the stiffener made from metal or cardboard (50 ') of at least one sidewall (21), packing into.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10119110A DE10119110C1 (en) | 2001-04-19 | 2001-04-19 | Junction box for gas-insulated medium-voltage switchgear |
| DE10119110.3 | 2001-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1461508A true CN1461508A (en) | 2003-12-10 |
Family
ID=7681918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02801288A Pending CN1461508A (en) | 2001-04-19 | 2002-03-27 | Connector housing for gas insulated medium-voltage switching device |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1382101A1 (en) |
| KR (1) | KR20030015215A (en) |
| CN (1) | CN1461508A (en) |
| DE (1) | DE10119110C1 (en) |
| NO (1) | NO20026092L (en) |
| WO (1) | WO2002087044A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414118A (en) * | 2013-07-31 | 2013-11-27 | 正泰电气股份有限公司 | Faceplate connecting device of cubicle type gas insulated switchgear |
| CN103430255A (en) * | 2011-02-28 | 2013-12-04 | Abb公司 | Method of providing arc-resistant dry type transformer enclosure |
| CN107258041A (en) * | 2015-02-10 | 2017-10-17 | 西门子公司 | Resist the electrical equipment of arc fault |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010008903A1 (en) * | 2010-02-23 | 2011-08-25 | Ormazabal Anlagentechnik GmbH, 47804 | Arc limiting device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3438603A1 (en) * | 1984-10-20 | 1985-06-27 | Ritter Starkstromtechnik GmbH & Co, 4600 Dortmund | Switching cabinet |
| DE3619410A1 (en) * | 1986-06-09 | 1987-12-10 | Bbc Brown Boveri & Cie | Medium-voltage switch panel having a closure wall which can be opened |
| DE4012390C2 (en) * | 1990-04-19 | 1995-12-21 | Felten & Guilleaume Energie | Metal-enclosed, pressurized gas-insulated switchgear for compact network stations in the medium-voltage range |
| DE4312025C2 (en) * | 1993-04-13 | 2001-09-27 | Alstom T & D Gmbh Zweigniederl | Flameproof control cabinet, especially for medium-voltage switchgear |
| DE19600072C2 (en) * | 1996-01-03 | 1998-12-17 | E I B S A | Module housing for a medium-voltage switchgear cell and for fuses connected to the switchgear cell |
| DE19814741C1 (en) * | 1998-03-18 | 1999-09-30 | Loh Kg Rittal Werk | Frame for a control cabinet |
-
2001
- 2001-04-19 DE DE10119110A patent/DE10119110C1/en not_active Withdrawn - After Issue
-
2002
- 2002-03-27 KR KR1020027012342A patent/KR20030015215A/en not_active Application Discontinuation
- 2002-03-27 CN CN02801288A patent/CN1461508A/en active Pending
- 2002-03-27 EP EP02720001A patent/EP1382101A1/en not_active Withdrawn
- 2002-03-27 WO PCT/EP2002/003440 patent/WO2002087044A1/en not_active Application Discontinuation
- 2002-12-18 NO NO20026092A patent/NO20026092L/en not_active Application Discontinuation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103430255A (en) * | 2011-02-28 | 2013-12-04 | Abb公司 | Method of providing arc-resistant dry type transformer enclosure |
| CN103430255B (en) * | 2011-02-28 | 2016-12-07 | Abb公司 | The method that arc-resistant dry type transformer enclosure is provided |
| CN103414118A (en) * | 2013-07-31 | 2013-11-27 | 正泰电气股份有限公司 | Faceplate connecting device of cubicle type gas insulated switchgear |
| CN103414118B (en) * | 2013-07-31 | 2016-04-27 | 正泰电气股份有限公司 | A kind of panel connector of gas-filling cabinet |
| CN107258041A (en) * | 2015-02-10 | 2017-10-17 | 西门子公司 | Resist the electrical equipment of arc fault |
| US10141725B2 (en) | 2015-02-10 | 2018-11-27 | Siemens Aktiengesellschaft | Arc fault resistant electric equipment |
| CN107258041B (en) * | 2015-02-10 | 2019-08-20 | 西门子公司 | Resist the electrical equipment of arc fault |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20030015215A (en) | 2003-02-20 |
| DE10119110C1 (en) | 2002-08-01 |
| NO20026092D0 (en) | 2002-12-18 |
| EP1382101A1 (en) | 2004-01-21 |
| WO2002087044A1 (en) | 2002-10-31 |
| NO20026092L (en) | 2003-02-19 |
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