CN201927507U - Arc extinction slice assembly and installation switchgears with same - Google Patents

Arc extinction slice assembly and installation switchgears with same Download PDF

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Publication number
CN201927507U
CN201927507U CN2010205416580U CN201020541658U CN201927507U CN 201927507 U CN201927507 U CN 201927507U CN 2010205416580 U CN2010205416580 U CN 2010205416580U CN 201020541658 U CN201020541658 U CN 201020541658U CN 201927507 U CN201927507 U CN 201927507U
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arc quenching
quenching plate
arc
plate
interval
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CN2010205416580U
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Chinese (zh)
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K·齐默尔
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ABB AB
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Asea Brown Boveri AB
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Priority claimed from DE201010027392 external-priority patent/DE102010027392B3/en
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Abstract

The utility model relates to an arc extinction slice assembly and installation switchgears with the same, and provides an arc extinction slice assembly (1) which is used for the electrical installation of switchgears, especially for line-protection switches, motor-protection switches or leakage-protection switches. The arc extinction slice assembly (1) is provided with arc extinction slices (2) which are parallelly arranged between a first conducting board and a second conducting board in a stacking mode with a predetermined stacking height. The arc extinction slices (2) are separately supported by at least one supporting device (3) which is made of insulating materials. In order to adapt to the short circuit current limit caused by the arc extinction slice assembly (1), the total quantity of arc extinction slices includes the quantity of a first arc extinction slice with a first thickness and a second arc extinction slice with a second thickness under the condition of keeping the predetermined stacking height, wherein the second thickness is thinner than the first thickness.

Description

Arc quenching plate assembly and installation switchgear with this arc quenching plate assembly
Technical field
The utility model relates to a kind of being used for electric installation switchgear, being particularly useful for the arc quenching plate assembly of line protection switch or motor protecting switch according to claim 1 preamble; this arc quenching plate assembly has the arc quenching plate that is arranged in parallel with the form of piling up that can be scheduled to stacks as high between first guide plate (Leitschiene) and second guide plate, wherein these arc quenching plates are turned up the soil by at least one supporting device space of being made by insulating material and supported.
In addition; the utility model also relates to a kind of installation switchgear; relate in particular to a kind of line protection switch or earth leakage circuit-breaker; its have be used for electric installation switchgear, in particular for the arc quenching plate assembly of line protection switch or motor protecting switch; this arc quenching plate assembly has the arc quenching plate that is arranged in parallel with the form of piling up that can be scheduled to stacks as high between first guide plate and second guide plate, wherein these arc quenching plates are turned up the soil by at least one supporting device space of being made by insulating material and supported.
A this arc quenching plate assembly is also referred to as arc quenching plate and piles up (Lichtbogenloeschblechstapel) or arc quenching plate stacking (Lichtbogenloeschblechpaket), is installed in line protection switch or the motor protecting switch in arc control device.The arc quenching plate stacking is made up of a plurality of arc quenching plates, and these arc quenching plates are configured to that externally the shape and size aspect is identical.These sheets are rectangular basically and comprise metal.It has V-arrangement and enters profile (Einlaufkontur), and this enters profile and opens towards electric arc formation place.
Background technology
DE10312820A1 shows this arc quenching plate assembly that is used for electric switch, and it has the arc quenching plate that is arranged in parallel, and wherein arc quenching plate is turned up the soil by the fastening space of being made by insulating material and supported.
Ferromagnetic material is applied as the stock of arc quenching plate, because follow the magnetic field of electric arc to tend to extend by the better arc quenching plate of magnetic conductivity near ferromagnetic material.Thus, on the direction of arc quenching plate, produce suction effect (Saugwirkung).Except the arc blow-out magnetic field (Blasfeld) that produces by electric arc self, this suction effect causes electric arc to move and be divided into a plurality of sub-electric arcs to the arc quenching plate assembly between this, and wherein this a little electric arc bases oneself upon on these arc quenching plates (die aufden Loeschblechen Fuss fassen).
Now, when between the moving contacting piece of contact position and fixed contact therefor, introducing electric arc, for example under the situation of short circuit current, this electric arc is introduced into the arc quenching plate stacking and is divided into sub-electric arc between adjacent arc quenching plate at this by electric arc guide plate (it is stacked on both sides with arc quenching plate and is limited on the stacking direction) so.Thereby corresponding formation positive pole-negative pole-voltage is also referred to as sub-arc voltage between adjacent arc quenching plate.Sub-arc voltage be series connection and be summed into total arc voltage thus.When arc voltage during greater than the supply voltage between the contact of opening, extinguish arcs so.
Existing arc quenching plate is many more, then can form many more sub-arc voltages and arc voltage can be high more basically, can improve arc voltage and limiting short-circuit current more quickly thus thus more quickly.In order to eliminate short circuit fast, wish the parallel arc quenching plate as much as possible that connects, because arc voltage improves rapidly like this.
Yet, the quantity that improves arc quenching plate is subjected to the restriction of available structure space in the equipment and is subjected to the restriction of technical specification, this regulation and stipulation minimum total air gap as the summation of air gap between the single arc quenching plate and minimum leakage path (Mindest-Kreichweg) as the leakage path between the adjacent sheet.
How much mechanisms of arc control device aspect its contact capacity (Schaltvermoegen) or its breaking capacity (Schaltleistung) in the different distinct device type determine promptly have the low equipment that requires for breaking capacity and have less arc control device like this.
The utility model content
According to the prior art, therefore the purpose of this utility model is, a kind of arc quenching plate assembly is provided, and under the situation of same design structure and unified external dimensions, it can adapt to the different requirements of distinct device type aspect contact capacity or breaking capacity or short circuit current restriction simply.
The purpose of this utility model further is, a kind of installation switchgear is provided, and it can adapt to the different requirements of distinct device type aspect contact capacity or short circuit current restriction simply under the situation of arc control device same design structure and unified external dimensions.
First aspect of the present utility model is a kind of electric installation switchgear that is used for; be particularly useful for the arc quenching plate assembly of line protection switch or motor protecting switch; described arc quenching plate assembly has the arc quenching plate that is arranged in parallel with the form of piling up that can be scheduled to stacks as high between first guide plate and second guide plate; described arc quenching plate is turned up the soil by at least one supporting device space of being made by insulating material and is supported; it is characterized in that; in order to adapt to the described short circuit current restriction that causes by described arc quenching plate assembly; keeping under the described predetermined stacks as high situation; the described total quantity of arc quenching plate comprises first quantity of first arc quenching plate with first thickness and has second quantity of second arc quenching plate of second thickness that wherein said second thickness is less than described first thickness.
Second aspect of the present utility model is a kind of installation switchgear, especially line protection switch, motor protecting switch or earth leakage circuit-breaker, and it has above-mentioned arc quenching plate assembly.
Be relevant to the arc quenching plate assembly based on the purpose of the utility model and realize, promptly realize by having according to this arc quenching plate assembly of the distinctive feature of claim 1.
Be relevant to installation switchgear, this purpose realizes by the installation switchgear according to claim 9.
According to the utility model, in order to adapt to the short circuit current restriction that causes by the arc quenching plate assembly, under the situation that keeps predetermined stacks as high, the total quantity of arc quenching plate comprises first quantity of first arc quenching plate with first thickness and has second quantity of second arc quenching plate of second thickness that wherein second thickness is less than first thickness.Thus, can under same structure height and situation, improve the quantity of arc quenching plate in an extremely simple manner, adapt to different requirements thereby improve arc extinguishing and be relevant to contact capacity in accordance with total air gap of the minimum of defined and minimum leakage path.
According to favourable execution mode of the present utility model, first quantity of first arc quenching plate is less than half of the total quantity of arc quenching plate.
According to other favourable execution mode of the present utility model, first quantity of arc quenching plate is equal to or greater than half of arc quenching plate total quantity.
According to favourable execution mode of the present utility model, second arc quenching plate is by more high-quality, the better steel of burn resistance are made than first arc quenching plate.Thereby make, also can guarantee its burn resistance even the thickness of second arc quenching plate is less.Because the better quality steel is more expensive than ordinary steel, not that each arc quenching plate is all made by this high-quality steel therefore, but the thin arc quenching plate of special high capacity only.
According to favourable execution mode of the present utility model, second arc quenching plate can additionally also have thin metal coating to improve burn resistance, and this thin metal coating is for example by tungsten, and chromium or other suitable materials are made.
According to favourable execution mode of the present utility model, first son of being made up of first arc quenching plate piles up first guide plate near (anschliessen), and pile up near second guide plate, and pile up and second son is provided with the 3rd son be made up of second arc quenching plate between piling up and piles up at first son by second son that first arc quenching plate is formed.Thereby the son of being made up of thin arc quenching plate piles up almost and is contained between two sons that (eingerahmt) be made up of thick arc quenching plate pile up.
According to other favourable execution mode of the present utility model, second arc quenching plate is arranged between first arc quenching plate with alternating sequence.
According to favourable execution mode of the present utility model, in the arc quenching plate assembly, between each guide plate and the arc quenching plate adjacent, have first at interval with this guide plate, and under the situation of two pairs of arc quenching plates, between these sheets, have second at interval, between all the other arc quenching plates, have the 3rd at interval, wherein first at interval greater than second interval, and second at interval greater than the 3rd at interval.Between corresponding two arc quenching plates in two pairs of adjacent arc quenching plates second are determined at interval leakage path and therefore greater than the normal interval between adjacent arc quenching plate.
All summations are at interval determined total air gap between all arc quenching plates.The ratio that thin arc quenching plate is used with respect to thick arc quenching plate is big more, identical or even the situation of higher total air gap under, arc voltage can be higher, and this arc extinguishing equipment has higher breaking capacity.
For breaking capacity being had the different distinct device types that require, thus can be under substantially the same project organization and identical external dimensions situation, the quantity of the arc quenching plate by changing different-thickness and arrange and make the low-cost arc control device (Loeschkammer) that meet the demands all the time, and need not in equipment, to adjust the arc control device spatial accommodation.
Other favourable design of the present utility model and improvement and other advantage provide in other dependent claims.
By means of the accompanying drawing of having described 9 exemplifying embodiments of the utility model, describe and describe the utility model and other favourable design and improvement of the present utility model in detail.
Description of drawings
Accompanying drawing and description of drawings are used for understanding better content of the present utility model.In the substantially the same or similar utility model perhaps the utility model content part can profit be denoted by like references.Accompanying drawing only schematically shows execution mode of the present utility model.
Wherein:
Fig. 1 a, b show the view that piles up according to arc quenching plate of the present utility model,
Fig. 2 shows the schematic cross-sectional of the modification that the arc quenching plate according to prior art piles up,
Fig. 3 shows the schematic cross-sectional that the arc quenching plate according to the utility model first execution mode piles up,
Fig. 4 shows the schematic cross-sectional that the arc quenching plate according to the utility model second execution mode piles up,
Fig. 5 shows the schematic cross-sectional that the arc quenching plate according to the utility model the 3rd execution mode piles up,
Fig. 6 shows the schematic cross-sectional that the arc quenching plate according to the utility model the 4th execution mode piles up,
Fig. 7 shows the schematic cross-sectional that the arc quenching plate according to the utility model the 5th execution mode piles up,
Fig. 8 shows the schematic cross-sectional that the arc quenching plate according to the utility model the 6th execution mode piles up,
Fig. 9 shows the schematic cross-sectional that the arc quenching plate according to the utility model the 7th execution mode piles up,
Figure 10 shows the schematic cross-sectional that the arc quenching plate according to the utility model the 8th execution mode piles up, and
Figure 11 shows the schematic cross-sectional that the arc quenching plate according to the utility model the 9th execution mode piles up.
In the accompanying drawings, member that identical or function is identical or element are provided with identical reference number.
Embodiment
Fig. 1 a and Fig. 1 b show end view and the perspective view by the known arc quenching plate assembly 1 of prior art respectively.Each arc quenching plate 2 has all identical thickness and identical each interval 6, and utilizes the supporting device 3 of support belt 3 forms to connect at zone line.Support belt 3 has the supporting member 4 of hole 4 forms, and little bulk (noppenartig) protuberance 11 is gone up in the narrow side of arc quenching plate 2 (Schmalseiten) and embedded in the supporting member 4.Thus, arc quenching plate 2 supports and determines their space by support belt (Haltestreife).Hole 4 cloth are set as fixed network grid size (Rastermass), and the minimum that these net grid are dimensioned to corresponding to two adjacent arc quenching plates allows at interval.Next, the arc quenching plate with single or a pair of existing fritter is correspondingly used in hole and pair of holes one after the other from top to bottom.In execution mode according to Fig. 1 a and Fig. 1 b, use 13 arc quenching plates, this is the most probable number of using herein under the support belt situation, corresponding to the arc control device of high breaking capacity.
Fig. 2 shows the schematic cross-sectional of piling up the modification of 1a according to the arc quenching plate of prior art.Schematically identify first guide plate and second guide plate 7,8, between these guide plates, be provided with 13 the first arc quenching plate A1 of the first thickness D1.Only utilize reference number A1 to represent an arc quenching plate, because all arc quenching plates are all identical.At this, thickness D1 for example is 0.9mm.Above Fig. 2, arrow P shows electric arc and enters the direction that arc quenching plate piles up 1a; This arrow P is also shown in Fig. 1 a and Fig. 1 b and also represent the approach axis of electric arc there.There is rear wall (Rueckwand) 5 in a side relative with this approaching side of piling up 1a at arc quenching plate.This rear wall 5 can be used for supporting and firm arc quenching plate, and it can have groove, leaves downwards thereby make arc extinguishing gases to pile up 1a by arc quenching plate.
Between the first electric arc guide plate and the second electric arc guide plate 7,8 and arc quenching plate A17 adjacent respectively and A18, first utilize d1 to represent at interval with it.At this, this first interval for example is 1.4mm.
At first guide plate, 7 right sides second and third arc quenching plate A1 ', A1 " between second at interval with at second guide plate, 8 left sides second and third arc quenching plate A1 ' " and A1 " " between the interval utilize d2 to represent and for example be 1mm at this.In order to observe leakage path, between corresponding two adjacent arc quenching plates, can need the interval of minimum 1mm by the technical specification defined.
The 3rd interval between all the other arc quenching plates utilizes d3 to represent and for example is 0.89mm at this.
Thereby the general construction height of arc quenching plate assembly adds up to 25.4mm between the guide plate.The total sheet thickness of all arc quenching plates is 11.7mm, and the total air gap that adds up to reaches 13.7mm.
Fig. 3 shows the schematic cross-sectional that the arc quenching plate according to the utility model first execution mode piles up 1b.Be with difference, between first guide plate 7 right sides the 4th arc quenching plate and second guide plate, 8 left sides the 4th arc quenching plate, use 7 second arc quenching plate B1 with second thickness D2 (only 0.6mm) according to the execution mode of Fig. 2.The second arc quenching plate B1 is at Fig. 3 and also use shadow representation respectively in the accompanying drawing below.At this, the 3rd between the arc quenching plate only is 0.767mm at interval.Thereby make totally 15 arc quenching plates of the total air gap in identical structure height 25.4mm, to install total sheet thickness with 11.4mm and 14mm now.The quantity that improves arc quenching plate makes the arc voltage can be higher, simultaneously even improve total air gap slightly.Because the second arc quenching plate B1 is thinner, for each sub-electric arc that still can not burnt between them under loading condition damages, so the second arc quenching plate B1 is made by high-quality, the better steel of burn resistance.In addition, it also can be coated with protective layer, for example by thin chromium layer or tungsten layer, to improve burn resistance.
Fig. 4 shows the schematic cross-sectional that the arc quenching plate according to the utility model second execution mode piles up 1c.Be with difference according to the execution mode of Fig. 2, the first thickness D1 of the first arc quenching plate A1 only is 0.8mm, and uses 9 second arc quenching plate B1 only having for the second thickness D2 of 0.6mm between first guide plate 7 right sides the 4th arc quenching plate and second guide plate, 8 left sides the 4th arc quenching plate.At this, the 3rd between the arc quenching plate only is 0.629mm at interval.Thereby make totally 17 arc quenching plates of the total air gap in identical structure height 25.4mm, to install total sheet thickness with 11.8mm and 13.6mm now.The quantity that further improves arc quenching plate makes the arc voltage can be higher.Because the second arc quenching plate B1 is thinner, for each sub-electric arc that still can not burnt between them under loading condition damages, so the second arc quenching plate B1 is made by high-quality, the better steel of burn resistance.In addition, it also can be coated with protective layer, for example by thin chromium layer or tungsten layer, to improve burn resistance.
Fig. 5 shows the schematic cross-sectional that the arc quenching plate according to the utility model the 3rd execution mode piles up 1d.Be with difference according to the execution mode of Fig. 2, the first thickness D1 of the first arc quenching plate A1 only is 0.8mm, and uses 11 second arc quenching plate B1 only having for the second thickness D2 of 0.6mm between first guide plate 7 right sides the 3rd arc quenching plate and second guide plate, 8 left sides the 3rd arc quenching plate.At this, the 3rd between the arc quenching plate only is 0.657mm at interval.In the arc quenching plate of this execution mode piles up, still have 6 first arc quenching plate A1, but 11 second arc quenching plate B1 are arranged.Thereby make totally 17 arc quenching plates of the total air gap in identical structure height 25.4mm, to install total sheet thickness with 11.4mm and 14mm now.The quantity that further improves arc quenching plate makes the arc voltage can be higher.Because the second arc quenching plate B1 is thinner, for each sub-electric arc that still can not burnt between them under loading condition damages, so the second arc quenching plate B1 is made by high-quality, the better steel of burn resistance.In addition, it also can be coated with protective layer, for example by thin chromium layer or tungsten layer, to improve burn resistance.
Fig. 6 shows the schematic cross-sectional that the arc quenching plate according to the utility model the 4th execution mode piles up 1e.Be with difference, the second arc quenching plate B1 with second thickness (for example is 0.5mm at this) be set between the first arc quenching plate A1 with the first thickness D1 (for example is 0.9mm at this) with alternating sequence according to the execution mode of Fig. 2.9 first arc quenching plate A1 are set and 8 second arc quenching plate B1 alternately are set betwixt, make arc quenching plate pile up 1e and comprise 17 arc quenching plates altogether.Two second interval d2 (is 1mm at this) are positioned at first arc quenching plate and the second arc quenching plate A1 ', B1 ' and A1 ", B1 " between.At this, the 3rd between arc quenching plate d3 at interval is 0.607mm.Thereby make totally 17 arc quenching plates of the total air gap in identical structure height 25.4mm, to install total sheet thickness with 12.1mm and 13.3mm now.The quantity that further improves arc quenching plate makes the arc voltage can be higher.Because the second arc quenching plate B1 is thinner, for each sub-electric arc that still can not burnt between them under loading condition damages, so the second arc quenching plate B1 is made by high-quality, the better steel of burn resistance.In addition, it also can be coated with protective layer, for example by thin chromium layer or tungsten layer, to improve burn resistance.
Fig. 7 shows the schematic cross-sectional that the arc quenching plate according to the utility model the 5th execution mode piles up 1f.Its with according to Fig. 6 execution mode at first arc quenching plate and the second arc quenching plate A1, the quantity of B1, the 3rd at interval d3, total sheet thickness and aspect, total air gap is identical.Be that with difference the second arc quenching plate B1 distributes by different way between the first arc quenching plate A1 according to the execution mode of Fig. 6.At first have 3 first arc quenching plates on first guide plate, 7 right sides, wherein as according in the execution mode of Fig. 5 at second and third arc quenching plate A1 ', the A1 in left side " between exist 1mm second at interval.At this, in execution mode according to Fig. 7, then, made before piling up of second guide plate 8 is complete at 3 second arc quenching plates and 3 first arc quenching plates, have 3 second arc quenching plates, be one first arc quenching plate, second arc quenching plate then, another first arc quenching plate, one second arc quenching plate and another first arc quenching plate.Totally about the layout of the 9th (from left number or from right number) arc quenching plate A19 symmetry, wherein second arc quenching plate is divided into two three groups and two monolithic arc quenching plates in this expression.
Fig. 8 shows the schematic cross-sectional of piling up 1g according to the arc quenching plate of the 6th execution mode of the present utility model.The such as shown in Figure 5 further structure of this execution mode.Be that with difference at this, the first thickness D1 of the first arc quenching plate A1 is 0.9mm according to the execution mode of Fig. 5.Thereby total sheet thickness is increased to 12mm and total air gap slightly is reduced to 13.4mm.Between the arc quenching plate the 3rd d3 at interval is reduced to 0.614mm with respect to the execution mode according to Fig. 5.
Fig. 9 shows the schematic cross-sectional that the arc quenching plate according to the utility model the 7th execution mode piles up 1h.The such as shown in Figure 8 further structure of this execution mode.Be that with difference at this, the second thickness D2 of the second arc quenching plate B1 is 0.5mm according to the execution mode of Fig. 8.Thereby total sheet thickness is reduced to 10.9mm and total air gap is increased to 14.5mm.Between the arc quenching plate the 3rd d3 at interval is increased to 0.693mm with respect to the execution mode according to Fig. 8.
Figure 10 shows the schematic cross-sectional that the arc quenching plate according to the utility model the 8th execution mode piles up 1i.The such as shown in Figure 9 further structure of this execution mode.Be existing 12 second arc quenching plate B1 (the second thickness D2 that has 0.5mm respectively) and 6 first arc quenching plate A1 (the first thickness D1 that has 0.9mm respectively) with difference according to the execution mode of Fig. 9.Thereby total sheet thickness is increased to 11.4mm and total air gap is reduced to 14mm with respect to Fig. 9.Between the arc quenching plate the 3rd d3 at interval is reduced to 0.613mm with respect to the execution mode according to Fig. 9.
Figure 11 shows the schematic cross-sectional that the arc quenching plate according to the utility model the 9th execution mode piles up 1k.Now always have 16 arc quenching plates, wherein 6 first arc quenching plate A1 (thickness D1) and 10 second arc quenching plate B1 (thickness D2) with 0.6mm with 0.9mm.At first the d1 place, first interval at 1.4mm has the first arc quenching plate A17 on first guide plate, 7 right sides, and the d3 place, the 3rd interval on its right side apart from this 0.708mm has the second arc quenching plate B1 '.D2 place, second interval on its right side apart from this 1mm has the first arc quenching plate A1 ' again.Before another first arc quenching plate and one group of 4 second arc quenching plate near it, approaching two second arc quenching plates again on the first arc quenching plate A1 ' right side.After first arc quenching plate be and two second arc quenching plates near it, another first arc quenching plate, with its one second arc quenching plate in second d2 place, interval, be that the d1 place, first interval of the 1.4mm of one first arc quenching plate and final distance second guide plate 8 is another first arc quenching plate at last.Thereby in this arranged, total sheet thickness was 11.4mm, and total air gap is 14mm, and the 3rd interval d3 between the monolithic arc quenching plate is relatively large 0.708mm.
Described exemplifying embodiment is only exemplarily selected and should not be limited the utility model.In addition, the utility model also comprises arbitrary combination of preferred implementation and each scheme feature or remodeling, as long as they are not got rid of mutually.
Reference number
1 arc quenching plate assembly
1a arc quenching plate assembly
1b arc quenching plate assembly
1c arc quenching plate assembly
1d arc quenching plate assembly
1e arc quenching plate assembly
1f arc quenching plate assembly
1g arc quenching plate assembly
1h arc quenching plate assembly
1i arc quenching plate assembly
2 arc quenching plates
3 supporting devices
4 supporting members
5 rear walls
6 arc quenching plates at interval
7 first guide plates
8 second guide plates
11 fritter shape protuberances
A1 first arc quenching plate
B1 second arc quenching plate
The A17 arc quenching plate, contiguous guide plate
The A18 arc quenching plate, contiguous guide plate
The A19 arc quenching plate, central authorities
A1 ' arc quenching plate
A1 " arc quenching plate
A1 ' " arc quenching plate
A1 " " arc quenching plate
The P arrow
D1 first at interval
D2 second at interval
D3 the 3rd at interval
D1 first thickness
D2 second thickness

Claims (9)

1. one kind is used for electric installation switchgear; be particularly useful for the arc quenching plate assembly of line protection switch or motor protecting switch; described arc quenching plate assembly has with the form of piling up that can be scheduled to stacks as high at first guide plate and second guide plate (7; 8) arc quenching plate (2 that is arranged in parallel between; A1; B1); described arc quenching plate (2; A1; B1) turn up the soil by at least one supporting device (3) space of making and support by insulating material; it is characterized in that; in order to adapt to the described short circuit current restriction that causes by described arc quenching plate assembly (1); keeping under the described predetermined stacks as high situation; the described total quantity of arc quenching plate comprises first quantity of first arc quenching plate (A1) with first thickness (D1) and has second quantity of second arc quenching plate (B1) of second thickness (D2) that wherein said second thickness (D2) is less than described first thickness (D1).
2. arc quenching plate assembly according to claim 1 is characterized in that, described first quantity of first arc quenching plate (A1) is less than half of the described total quantity of arc quenching plate.
3. arc quenching plate assembly according to claim 1 is characterized in that, described first quantity of first arc quenching plate (A1) is equal to or greater than half of described total quantity of arc quenching plate.
4. according to each described arc quenching plate assembly in the claim 1 to 3, it is characterized in that described second arc quenching plate (B1) is by more high-quality, the better steel of burn resistance are made than described first arc quenching plate (A1).
5. arc quenching plate assembly according to claim 4 is characterized in that, described second arc quenching plate (B1) has the thin metal coating that is used to improve burn resistance.
6. according to each described arc quenching plate assembly among the claim 1-3, it is characterized in that, by the first arc quenching plate (A1, A17, A1 ', A1 ") first son formed piles up near described first guide plate (7); by first arc quenching plate (A18; A1 ' ", A1 " ") second son formed piles up near described second guide plate (8), and pile up and described second son is provided with the 3rd son of being made up of second arc quenching plate (B1) between piling up and piles up at described first son.
7. according to each described arc quenching plate assembly in the claim 1 to 3, it is characterized in that described second arc quenching plate (B1) is with being set in sequence between described first arc quenching plate (A1) of replacing.
8. according to each described arc quenching plate assembly among the claim 1-3, it is characterized in that, in described arc quenching plate assembly at each described guide plate (7,8) and with this guide plate (7,8) adjacent described arc quenching plate (A17, A18) have first (d1) at interval between, two pairs of arc quenching plates (A1 ', A1 "; A1 ' "; A1 " ") situation under between described, have second (d2) at interval; and between all the other arc quenching plates, have the 3rd (d3) at interval, wherein said first at interval (d1) greater than described second (d2) at interval, and described second at interval (d2) greater than the described the 3rd (d3) at interval.
9. installation switchgear, especially a line protection switch, motor protecting switch or earth leakage circuit-breaker, have according to each described arc quenching plate assembly among the claim 1-8 (1a, 1b, 1c, 1d, 1e, 1f, 1g, 1h, 1i).
CN2010205416580U 2010-07-05 2010-09-14 Arc extinction slice assembly and installation switchgears with same Expired - Lifetime CN201927507U (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102010026096 2010-07-05
DE102010026096.7 2010-07-05
DE102010027392.9 2010-07-16
DE201010027392 DE102010027392B3 (en) 2010-07-05 2010-07-16 Arc extinguish assembly for mounting switch device e.g. line protection switch, has extinguish plates arranged between conductive plates, where thickness of one of plates is greater than thickness of other plate

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CN201927507U true CN201927507U (en) 2011-08-10

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CN2010102907975A Pending CN102315031A (en) 2010-07-05 2010-09-14 Arc quenching plate is arranged

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CN108417422A (en) * 2018-03-12 2018-08-17 西安开天铁路电气股份有限公司 A kind of arc-control device
CN108417422B (en) * 2018-03-12 2020-03-20 西安开天铁路电气股份有限公司 Arc extinguishing device

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