CN201655592U - Switch of electric equipment and arc extinguishing plate device used for same - Google Patents
Switch of electric equipment and arc extinguishing plate device used for same Download PDFInfo
- Publication number
- CN201655592U CN201655592U CN2009201780077U CN200920178007U CN201655592U CN 201655592 U CN201655592 U CN 201655592U CN 2009201780077 U CN2009201780077 U CN 2009201780077U CN 200920178007 U CN200920178007 U CN 200920178007U CN 201655592 U CN201655592 U CN 201655592U
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- China
- Prior art keywords
- arc quenching
- quenching plate
- arc
- arc extinguishing
- switching unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000011810 insulating material Substances 0.000 claims abstract description 9
- 238000010791 quenching Methods 0.000 claims description 96
- 230000000171 quenching effect Effects 0.000 claims description 96
- 230000000694 effects Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 abstract 2
- 238000010891 electric arc Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 230000005291 magnetic effect Effects 0.000 description 3
- 206010000496 acne Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003302 ferromagnetic material Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model relates to an arc extinguishing plate device (1), which is used for switches of electric equipment and particularly used for cutoff protective switches or motor protective switches. The arc extinguishing plate device is provided with a group of arc extinguishing plates (2) which is parallel to each other and capable of being stacked and setting stacking height, the arc extinguishing plates are integrally fixed via at least one retainer device (3) at an interval, and the retainer devices are made of insulating materials. Any single arc extinguishing plate (2) can be removed from the stack while keeping the set stacking height, thereby matching with a short-circuit limiting function of the arc extinguishing plate device (1).
Description
Technical field
The present invention relates to a kind of arc quenching plate device that is used for the Device Switching Unit of electricity in particular for open circuit protection switch or motor protecting switch; the arc quenching plate that heap with stacks as high that can be predetermined is arranged in parallel in again, at least one holding device that utilizes insulating material to make keeps arc quenching plate with being separated by.
The invention still further relates to a kind of Device Switching Unit with arc quenching plate device especially open circuit protection switch or failure current protection switch in addition; described arc quenching plate device comprise have the arc quenching plate that is arranged parallel to each other can be predetermined the piling up of stacks as high, utilize at least one holding device of making by insulating material that arc quenching plate is kept with being separated by.
Background technology
This arc quenching plate device (be also referred to as arc quenching plate piles up or arc quenching plate group) is installed among the arc control device in open circuit protection switch or the motor protecting switch.The arc quenching plate group is made up of profile and all identical a plurality of arc quenching plates of size.These arc quenching plates are rectangular basically, and material is a metal.It has a V-arrangement inlet profile that opens wide towards electric arc generation point.
DE 10,312 820 A1 have set forth a kind of arc quenching plate device that is used for electric switch, have the arc quenching plate that is arranged parallel to each other, and the holding device that utilizes insulating material to make is fixed with each other between being separated by arc quenching plate necessarily.
When between the fixed contact therefor of some motion contacts and some contact points during arcing (for example short circuit current), will electric arc be introduced among the arc quenching plate group by limit striking sheet that arc extinguishing piles up the both sides scope at stacking direction, be divided into some minutes arcs here, improve arc voltage with this, and limiting short-circuit current.
Use the stock of ferromagnetic material, because will make the magnetic field of following electric arc try one's best near ferromagnetic material through the reasonable arc quenching plate of magnetic conductivity as arc quenching plate.Can produce suction effect like this towards arc quenching plate.Except the arc blow-out magnetic field that electric arc itself produces, this suction effect also can make electric arc towards the motion of arc quenching plate device, and between arc quenching plate electric arc is divided into a plurality of minutes arcs, eliminates on arc quenching plate and divides arc.
In order to eliminate short circuiting arc rapidly, wish arc quenching plate as much as possible in parallel, because can improve arc voltage like this.But the quantity of arc quenching plate is subjected to the restriction in available arc control device space in the switchgear.Because switching capability
Different with breaking capacity, can suitably determine the arc control device geometry according to different switchgear types, make breaking capacity require less switchgear to have less arc control device.Therefore need use different moulds at different arc control device types.Between dissimilar switchgears, cannot exchange arc control device.
Summary of the invention
Therefore task of the present invention is, with the prior art is foundation, a kind of arc quenching plate device is provided, and it can adapt to the different requirements of various equipment types to switching capability or breaking capacity or short circuit current limitation effect very simply with identical construction and unified overall dimension.
Another task of the present invention is to provide a kind of Device Switching Unit, can adapt to the different requirements of distinct device type to switching capability or short circuit current limitation effect very simply with identical construction and unified fiery arc chamber overall dimension.
Employing can solve the task of the present invention about the arc quenching plate device according to arc quenching plate device of the present invention.Described arc quenching plate device is used for electric Device Switching Unit and has setting the arc quenching plate that piles up the row of being parallel to each other of stacks as high, at least one holding device that utilization is made by insulating material keeps arc quenching plate with being separated by, can from pile up, remove single arc quenching plate, keep the stacks as high of setting simultaneously.
Employing can solve the task of the present invention about Device Switching Unit according to Device Switching Unit of the present invention.Described Device Switching Unit has the arc quenching plate device, it comprises piling up of the stacks as high of setting with the arc quenching plate that is arranged parallel to each other, at least one holding device that utilization is made by insulating material keeps arc quenching plate with being separated by, single arc quenching plate can be removed, and keeps the stacks as high that sets simultaneously.
According to of the present invention, can from pile up, remove single arc quenching plate, keep the stacks as high of setting simultaneously, thus the short circuit current limitation effect that coupling arc quenching plate device is produced.So just can form a kind of arc control device of modular to a certain extent.Can adopt the mode of deleting or increasing arc quenching plate, make arc control device adapt to the requirement of breaking capacity, overall dimension then remains unchanged.So just same arc control device can be installed among the instrument with higher and low breaking capacity, with regard to the lower instrument of breaking capacity, from pile up, remove some arc quenching plates, so that save unwanted material.
Described according to a kind of useful enforcement pattern of the present invention, can make holding device with different materials, so that the short circuit current limitation effect that coupling arc quenching plate device is produced.As described in DE 103 12 820 A1, holding device is by constituting on the longitudinal side that is arranged in arc quenching plate made from insulating material and with its interconnective maintenance bar, thereby can be identical in arc control device profile physical dimension and situation that arc quenching plate quantity is identical under, to select the keeping mode of strip material to influence its switching capability.For example the maintenance bar made of pressboard is very cheap, but the heat load ability is very little.Composite material based on pressboard and polymer film can reach than higher calorific intensity.If to switching capability and the very high requirement of thermal endurance, the maintenance bar that then can use heat resistant plastice to make.
For having to the different different instruments of type that require of breaking capacity, all the time under the situation that structure is identical and overall dimension is identical in principle, make in the mode that changes arc quenching plate quantity and holding device material and can meet the demands and arc control device that cost is extremely low, needn't adjust the arc control device spatial accommodation in the instrument.
Described according to a kind of useful enforcement pattern of the present invention, holding device comprises the maintaining part of arranging with the pitch that can stipulate, each maintaining part is used for keeping an arc quenching plate, determine pitch according to open ended arc quenching plate maximum quantity in piling up, needn't consider to remain on the arc quenching plate quantity in piling up.If use above-mentioned maintenance bar as maintaining part, then maintaining part preferably forms in draw pin on the arc quenching plate side and snaps in wherein mortise.No matter in fact used what arc quenching plates, also much no matter breaking capacity has, it is identical that the spacing of maintaining part keeps.People do not allow idle maintaining part with prior art when designing the arc quenching plate device up to now, just do not have idle mortise.
Described according to a kind of useful enforcement pattern of the present invention, remove the single arc quenching plate in piling up, the spacing that forms two adjacent arc quenching plates is greater than the zone by the given minimum arc quenching plate spacing of pitch.
Described according to a kind of useful enforcement pattern of the present invention, by removing the group that single arc quenching plate in piling up forms arc quenching plate, and the spacing between the arc quenching plate at the neighboring edge place of the arc quenching plate of one group edge and adjacent set is greater than the arc quenching plate spacing of group inside.
According to a kind of Device Switching Unit of the present invention, can from pile up, remove single arc quenching plate and mate breaking capacity, keep the stacks as high that sets simultaneously.
Description of drawings
Accompanying drawing and description help to understand better the invention object.The part of substantially the same or similar object or object all may have identical Reference numeral.Only the schematic diagram of the invention process pattern shown in the accompanying drawing.
Wherein:
Accompanying drawing 1a, the view that b arc extinguishing of the present invention piles up,
Accompanying drawing 2a, b are matched with the view that arc extinguishing piles up shown in the accompanying drawing 1 of less breaking capacity.
Identical or act on identical parts or element all has identical Reference numeral in the accompanying drawing.
Embodiment
Accompanying drawing 1a is depicted as the end view of arc quenching plate group 1, and accompanying drawing 1b is depicted as perspective view.Single arc quenching plate 2 all links to each other with the maintaining part 3 that keeps bar 3 forms at zone line.Keep bar 3 to have the maintaining part 4 of eyelet 4 forms, the pimple shape projection 11 on the arc quenching plate 2 narrow limits can snap onto among these maintaining parts.So just keep arc quenching plate 2, and determine its mutual spacing by the maintenance bar.Pitch is suitably selected in the pitch setting of eyelet 4 to determine, makes its minimum corresponding to two adjacent arc quenching plates allow spacing.Single and paired eyelet is according to from top to down sequence alternate, and corresponding use has the arc quenching plate of single or paired projection.13 arc quenching plates in accompanying drawing 1a and 1b, have been used, promptly corresponding to the quantity of the maximum possible that keeps bar as used herein of the arc control device of tall person's breaking capacity.
In the switchgear of another kind of type, now for example need less breaking capacity, it may only need 10 arc quenching plates.Past people then adopts less arc quenching plate group, and the arc control device geometry in the equipment is carried out corresponding coupling, just redesigns device housings.Adopt the present invention, can from the arc quenching plate group shown in accompanying drawing 1a and the b, remove three arc quenching plates simply now, form the arc quenching plate group that has 10 arc quenching plates shown in accompanying drawing 2a and the 2b, compare with the pattern of 13 arc quenching plates with having maximum breaking capacity, overall dimension does not change.Do not need to change device housings, the overall dimension of arc control device remains unchanged.Form two groups 7,8 to a certain extent, every group of each 4 arc quenching plate, between the arc quenching plate 9,10 of the edge that organizes, form the gap that equals an arc quenching plate thickness, and the described group of gap by an arc quenching plate size separates with the arc quenching plate that upper and lower qualification arc extinguishing piles up.
List of numerals
1 arc quenching plate device
2 arc quenching plates
3 holding devices
4 maintaining parts
5 zones
6 arc quenching plate spacings
7 arc quenching plate groups
8 arc quenching plate groups
The arc quenching plate of 9 edges
The arc quenching plate of 10 edges
11 pimple shape projectioies
Claims (5)
1. the arc quenching plate device (1) that is used for electric Device Switching Unit, arc quenching plate (2) with the row of being parallel to each other in can setting the piling up of stacks as high, at least one holding device (3) that utilization is made by insulating material keeps arc quenching plate with being separated by, it is characterized in that, can from pile up, remove single arc quenching plate (2), keep the stacks as high of setting simultaneously.
2. arc quenching plate device according to claim 1 (1) is characterized in that, described electric Device Switching Unit is open circuit protection switch or motor protecting switch.
3. the Device Switching Unit that has arc quenching plate device (1), it comprises piling up of the stacks as high of setting with the arc quenching plate (2) that is arranged parallel to each other, at least one holding device (3) that utilization is made by insulating material keeps arc quenching plate with being separated by, it is characterized in that, single arc quenching plate (2) can be removed, and keeps the stacks as high that sets simultaneously.
4. Device Switching Unit according to claim 3 is characterized in that, can make holding device (3) with different materials, so that the short circuit current limitation effect that coupling arc quenching plate device (1) is produced.
5. Device Switching Unit according to claim 3 is characterized in that, described Device Switching Unit is open circuit protection switch or failure current protection switch.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009023558 | 2009-05-30 | ||
| DE102009023558.2 | 2009-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201655592U true CN201655592U (en) | 2010-11-24 |
Family
ID=43120836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201780077U Expired - Fee Related CN201655592U (en) | 2009-05-30 | 2009-07-24 | Switch of electric equipment and arc extinguishing plate device used for same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201655592U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832083A (en) * | 2011-06-16 | 2012-12-19 | 上海电器陶瓷厂有限公司 | Arc extinguish chamber of miniature circuit breaker |
| CN108122698A (en) * | 2016-11-29 | 2018-06-05 | 西门子公司 | Arc-control device and electromechanical protection switch equipment |
| CN108320950A (en) * | 2018-01-23 | 2018-07-24 | 首瑞（天津）电气设备有限公司 | Arc quenching system and its arc-chutes |
-
2009
- 2009-07-24 CN CN2009201780077U patent/CN201655592U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832083A (en) * | 2011-06-16 | 2012-12-19 | 上海电器陶瓷厂有限公司 | Arc extinguish chamber of miniature circuit breaker |
| CN102832083B (en) * | 2011-06-16 | 2015-06-10 | 上海电器陶瓷厂有限公司 | Arc extinguish chamber of miniature circuit breaker |
| CN108122698A (en) * | 2016-11-29 | 2018-06-05 | 西门子公司 | Arc-control device and electromechanical protection switch equipment |
| CN108122698B (en) * | 2016-11-29 | 2020-10-20 | 西门子公司 | Arc extinguishing device and electromechanical protective switching device |
| CN108320950A (en) * | 2018-01-23 | 2018-07-24 | 首瑞（天津）电气设备有限公司 | Arc quenching system and its arc-chutes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20140724 |
|
| EXPY | Termination of patent right or utility model |