CN103117197A - Arcing chamber device for electromagnetic switching devices - Google Patents
Arcing chamber device for electromagnetic switching devices Download PDFInfo
- Publication number
- CN103117197A CN103117197A CN2012103552508A CN201210355250A CN103117197A CN 103117197 A CN103117197 A CN 103117197A CN 2012103552508 A CN2012103552508 A CN 2012103552508A CN 201210355250 A CN201210355250 A CN 201210355250A CN 103117197 A CN103117197 A CN 103117197A
- Authority
- CN
- China
- Prior art keywords
- baffle insert
- arc extinguishing
- control device
- laminations
- designed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/346—Details concerning the arc formation chamber
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/08—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/345—Mounting of arc chutes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H2009/347—Stationary parts for restricting or subdividing the arc, e.g. barrier plate using lids for closing the arc chamber after assembly
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H2009/348—Provisions for recirculation of arcing gasses to improve the arc extinguishing, e.g. move the arc quicker into the arcing chamber
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Diaphragms And Bellows (AREA)
Abstract
The invention relates to an extinguishing chamber which is used for an electromagnetic switching device, in particular for a circuit breaker. The extinguishing chamber apparatus has a splitter assembly, an adjacent panel insert (1), and a contact slide device that are provided with movable contact elements which are positioned opposite to fixed contact elements. Resilient springy contour sections (12,13) are arranged at the panel insert, and are designed so that the panel insert is firmly positioned between the housing wall of electromagnetic switching device and the splitter assembly.
Description
Technical field
The present invention relates to a kind ofly for electromagentic switching apparatus, especially for the arc control device device of circuit breaker, this arc control device device has: the arc extinguishing stack of laminations; The baffle insert that is adjacent (Blendeneinsatz); And the contact slipper device that comprises movable switch connecting element, movable switch connecting element is located with fixing switch connecting element with being oppositely arranged.
Background technology
Circuit breaker, particularly low-voltage circuit breaker are the electromagnetism automatic switch under short-circuit conditions.In principle, its working method is corresponding to the working method of line protection switch.They heat mostly is equipped with the release of magnetic, and therefore have the structural detail identical with line protection switch.Yet they are designed for larger setting electric current, and are in addition different from line protection switch, and the release of circuit breaker can part be regulated individually.In low pressure range, switch also is used as motor protection switch.
The task of circuit breaker is to protect the equipment that is connected to the back, particularly threephase motor, avoids the damage that causes due to overload or short circuit.Wherein, circuit breaker should turn-off the electric current relevant with the electric network protection device.If gas is arranged between the two poles of the earth, when corresponding high voltage difference being arranged between the two poles of the earth, to realize ionization by arcing, and can form the gas discharge of self keeping, this gas discharge also is known as electric arc.In addition, this plasma also can shorten the useful life of parts not only with electric current, under heavy current, even may damage switch.Be different from isolating switch, design like this circuit breaker, namely in the situation that do not damage switch, eliminate fast the electric arc that produces and interruptive current whereby when the cut-off switch contact.
For having high breaking capacity, particularly until have until in the circuit breaker of the breaking capacity of 100kA during the rated current of 80A, special problem is, due to the larger pressure that forms, when this larger short circuit, on the arc extinguishing locular wall, namely particularly the load on the circuit breaker bottom is high especially.For this type of dropout process, the housing wall possibility is outwardly-bent or cause the top of circuit breaker the crack to occur.In the worst case, the parts on top are fractureed.
Under short-circuit conditions, the circuit breaker with high breaking capacity stands until the high arc suppression chamber pressure of 7.5bar, and same high plasma discharge rate is relevant therewith.0.1 the gap width to 0.2mm is enough, in order to plasma can be overflowed from predetermined track.This also is applicable to the arc extinguishing stack of laminations and the baffle insert that are close together each other.For high breaking capacity, another problem is baffle insert and arc extinguishing stack of laminations position each other.Must guarantee that two elements erect so relative to each other, the track that namely is used for the plasma exchange can not superpose mutually.In addition up to now, the transition section between arc extinguishing stack of laminations and baffle insert becomes light section from large section suddenly.This has caused occurring eddy current, and eddy current produces adverse influence to electric arc.
Summary of the invention
Correspondingly, the object of the invention is to, propose a kind of arc control device device, this arc control device device is in the situation that high breaking capacity has improved performance.
This purpose is achieved by the arc control device device with the described feature of claim 1.Favourable execution mode and improvement project are the themes of dependent claims, and these execution modes and improvement project can be used in combination separately or mutually.
According to the present invention, for electromagentic switching apparatus, be achieved especially for the arc control device device of circuit breaker, this arc control device device has this purpose: the arc extinguishing stack of laminations by a kind of; The baffle insert that is adjacent; And the contact slipper device that comprises movable switch connecting element, movable switch connecting element is located with fixing switch connecting element with being oppositely arranged.Wherein, the invention is characterized in, be furnished with the elasticity profile on baffle insert, this elasticity profile designs like this, and namely baffle insert is positioned between the housing wall and arc extinguishing stack of laminations of electromagentic switching apparatus securely.Wherein, in installable situation, guarantee to meet all margins of tolerance at the same time.By the elasticity profile, avoid two arcings between adjacent arc extinguishing lamination passage.
Preferably be designed to squarely according to baffle insert of the present invention, have two parallel sidewalls that are oppositely arranged and two sidewalls that are connected these two sidewalls.In addition, baffle insert has front and bottom surface.Be molded with top cover on the front, this design of cover is for for example being used for holding fixing switch connecting element.
On the sidewall of two designs parallel to each other, be furnished with distance piece (Abstandshalter), this distance piece is protruding with respect to the sidewall of other two layouts parallel to each other, and realizes the best located of baffle insert (comprising the arc extinguishing lamination) in switching device.On a sidewall, preferably be furnished with the slot that is stacked up and down abreast, these slots are formed for the passage through the plasma discharge rate of classification.In addition, have on the sidewall of slot, preferably be designed with two elasticity profiles, this elasticity profile is parallel to slot on sidewall to downward-extension.
The elasticity profile preferably is designed to have the L shaped or wedge shape of two legs, and wherein, a leg is designed to the projection of sidewall, and another leg and the first leg sidewall is at an angle of 90 in other words.The elasticity profile preferably is arranged in the left and right sides of slot, and preferably is divided into three subregions, and wherein two subregions are connected to each other by the 3rd subregion respectively, in order to produce on the whole conflux shape or the wedge shape that is used for the elasticity profile.Elasticity profile 12,13 on baffle insert 1 is pressed between the housing wall and arc extinguishing stack of laminations of electromagentic switching apparatus baffle insert 1 securely.
Propose in another execution mode according to baffle insert of the present invention, namely baffle insert and arc extinguishing stack of laminations are designed to be locked to each other.By the locking device between baffle insert and arc extinguishing stack of laminations, realize two functions.On the one hand, the position of two parts is fixed to one another, in order to the overlapping of slot profile can not occur.On the other hand, although be with the complete bulged-in form of baffle insert, by locking device, realize feedback clear and definite in assembling process.Locking device can be designed to lock the form in peg and space.
Propose according to the present invention in another embodiment, namely from baffle insert to the arc extinguishing lamination, be designed with fairshaped transition section.The transition section of airflow design makes and is beneficial to mobile moulding by this and avoids eddy current.Realize the clean discharging of plasma, but not common scattering discharging during eddy current, thus, the arcing between single phase place is dangerous to rise.
For electromagentic switching apparatus, be characterised in that especially for the arc control device device of circuit breaker, by the structural change on baffle insert, even if depress, also can realize high breaking capacity according to of the present invention in high arc control device.Elasticity profile on baffle insert belongs to structural change, and this elasticity profile designs like this, and namely baffle insert is pressed between the housing wall and arc extinguishing stack of laminations of electromagentic switching apparatus all the time securely.Avoid thus two arcings between adjacent arc extinguishing lamination passage.Another structural change is the locking device between baffle insert and arc extinguishing stack of laminations, and this locking device is guaranteed two functions.On the one hand, the position of two parts is fixed to one another, in order to the overlapping of slot profile can not occur.On the other hand, realize feedback clear and definite in assembling process by locking device.The 3rd structural measure on baffle insert is that streamlined ground design transition section is avoided eddy current in order to be beneficial to mobile moulding by this.Therefore realized clean plasma discharging.
Description of drawings
Next according to embodiment and other advantage of the present invention and execution mode be described with reference to the accompanying drawings.
Wherein schematically illustrated:
Fig. 1 shown in perspective view according to the first embodiment of baffle insert of the present invention;
Fig. 2 shown in perspective sectional view according to the second embodiment of the baffle insert with locking device of the present invention;
Fig. 3 shown in perspective view according to the interior views according to baffle insert of the present invention with locking device of Fig. 2;
Fig. 4 is at the vertical view of the layout that is comprised of arc extinguishing lamination and baffle insert shown in sectional view;
Fig. 5 is being beneficial to the fluidly baffle insert of the passage of design according to having of Fig. 4 shown in perspective sectional view;
Fig. 6 shown in perspective view according to another embodiment of baffle insert of the present invention.
Embodiment
Fig. 1 illustrates the first embodiment according to baffle insert 1 of the present invention, and this baffle insert preferably is designed to square, has two parallel sidewalls that are oppositely arranged 2,3 and two sidewalls 4,5 that are connected these two sidewalls 2,3.In addition, baffle insert 1 has front 6 and bottom surface 7.Be molded with top cover 8 on positive 6, this top cover 8 is designed to for example be used for holding fixing switch connecting element.
Be furnished with spaced walls 9,10 on sidewall 4,5, this spaced walls is stretched out with respect to sidewall 2,3, and realizes that baffle insert 1(comprises the arc extinguishing lamination) best located in switching device.Preferably be furnished with the slot 11 that is stacked up and down abreast on sidewall 4, these slots are formed for the passage through the plasma discharge rate of classification.In addition, be designed with elasticity profile 12,13 on sidewall 4, this elasticity profile is parallel to slot 11 on sidewall 4 to downward-extension.
Elasticity profile 12,13 preferably is designed to have the L shaped of two legs 14,15, and wherein, leg 14 is designed to the projection of sidewall 4, and leg 15 and leg 14 sidewall 4 is at an angle of 90 in other words.Elasticity profile 12,13 preferably is arranged in the left and right sides of slot 11, and preferably is divided into three subregions 16,17,18, and wherein, subregion 16 and 18 is connected to each other by subregion 17, and preferably produces the shape that confluxes that is used for elasticity profile 12,13 on the whole.Elasticity profile on baffle insert (federnde Kontur) 12,13 makes baffle insert 1 be pressed into securely all the time between the housing wall and arc extinguishing stack of laminations of electromagentic switching apparatus.
The second embodiment according to baffle insert 1 of the present invention with locking device shown in Figure 2.Sidewall 5 with slot 11 has been shown in this perspective sectional view, and these slots are formed for the passage through the plasma discharge rate of classification.On the sidewall 5 near the front 6 with top cover 8, locking peg 19 is shown.Locking peg 19 is used for locking ground connection baffle insert 1 and arc extinguishing stack of laminations.
Guarantee two functions by locking device.On the one hand, the position of two parts that are comprised of baffle insert 1 and arc extinguishing stack of laminations is fixed to one another, in order to the overlapping of slot profile can not occur.On the other hand, realize feedback clear and definite in assembling process by locking device.Also can find out locking peg 19 from Fig. 3, it illustrates the front view according to sidewall 5.
The layout that is formed by the arc extinguishing lamination 20 of baffle insert 1 according to the present invention and adjacency shown in Figure 4.The point-like face 21 present transition sections of expression, this transition section forms eddy current 23 by stenosis 22, and the plasma that can not allow to define discharges.Eddy current 23 produces the discharging of the plasma that scatters not long ago, and the arcing danger between single phase place is risen thus.For this introduction according to for baffle insert 1 of the present invention, abandon stenosis 22, and realize thus fairshaped transition section, this transition section is beneficial to mobile moulding by this and avoids eddy current.Therefore realized the discharging of clean plasma.For this reason, as can be seen from Figure 5 the perspective of the discharge-channel 24 of mobile the best shows.
Fig. 6 illustrates another embodiment according to baffle insert 1 of the present invention, and this baffle insert 1 equally preferably is designed to square, has two parallel sidewalls that are oppositely arranged 2,3 and two sidewalls 4,5 that are connected two sidewalls 2,3.In addition, baffle insert 1 has front 6 and bottom surface 7.Be molded with top cover 8 on positive 6, this top cover 8 is designed to for example be used for holding fixing switch connecting element.
Be furnished with spaced walls 9,10 on sidewall 4,5, this spaced walls is stretched out with respect to sidewall 2,3, and realizes that baffle insert 1(comprises the arc extinguishing lamination) best located in switching device.On sidewall 4, preferably be furnished with the slot 11 of up and down arranged superposed abreast, these slots are formed for the passage through the plasma discharge rate of classification.In addition, be designed with elasticity profile 12,13 on sidewall 4, this elasticity profile is parallel to slot 11 on sidewall 4 to downward-extension.
Elasticity profile 12,13 preferably are arranged in the left and right sides of slot 11, and preferably be divided into three subregions 16,17,18, wherein, subregion 16 and 18 is connected to each other by subregion 17, and preferably produce on the whole the wedge shape be respectively used to elasticity profile 12,13, this wedge shape 7 is tapered towards the bottom surface.Elasticity profile 12,13 on baffle insert makes baffle insert 1 be pressed into securely all the time between the housing wall and arc extinguishing stack of laminations of electromagentic switching apparatus.
For electromagentic switching apparatus, be characterised in that especially for the arc control device device of circuit breaker, by the structural change on baffle insert, even if depress, also can realize high breaking capacity according to of the present invention in high arc control device.Elasticity profile on baffle insert belongs to structural change, and this elasticity profile designs like this, and namely baffle insert is pressed between the housing wall and arc extinguishing stack of laminations of electromagentic switching apparatus all the time securely.Avoid thus the arcing between two adjacent arc extinguishing lamination passages.Another structural change is the locking device between baffle insert and arc extinguishing stack of laminations, and this locking device is guaranteed two functions.On the one hand, the position of two parts is fixed to one another, thereby the overlapping of slot profile can not occur.On the other hand, realize feedback clear and definite in installation process by locking device.The 3rd structural measure on baffle insert is that streamlined ground design transition section is avoided eddy current in order to be beneficial to mobile moulding by this.Therefore realized the discharging of clean plasma.
Claims (5)
1. arc control device device is used for electromagentic switching apparatus, especially for circuit breaker, and described arc control device device has: the arc extinguishing stack of laminations; Baffle insert (1) with described arc extinguishing stack of laminations adjacency; And the contact slipper device that comprises movable switch connecting element, described movable switch connecting element is located with fixing switch connecting element with being oppositely arranged, it is characterized in that, be furnished with elasticity profile (12 on described baffle insert (1), 13), described elasticity profile designs like this, and namely described baffle insert (1) is positioned between the housing wall and described arc extinguishing stack of laminations of described electromagentic switching apparatus securely.
2. arc control device device according to claim 1, is characterized in that, described baffle insert (1) is designed to L shaped.
3. arc control device device according to claim 1 and 2, it is characterized in that, described elasticity profile (12,13) design upper at the sidewall (4) of described baffle insert (1) and have three sub-section sections (16,17,18), wherein, described elasticity profile (12,13) is designed to conflux shape or wedge shape on the whole.
4. arc control device device described according to any one in aforementioned claim, is characterized in that, described baffle insert (1) and described arc extinguishing stack of laminations are designed to be locked to each other.
5. arc control device device described according to any one in aforementioned claim, is characterized in that, from described baffle insert (1) to described arc extinguishing lamination, is designed with fairshaped transition section.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11182095.7 | 2011-09-21 | ||
| EP11182095.7A EP2573783B1 (en) | 2011-09-21 | 2011-09-21 | Arcing chamber device for electromagnetic switching devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103117197A true CN103117197A (en) | 2013-05-22 |
| CN103117197B CN103117197B (en) | 2016-05-25 |
Family
ID=44651469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210355250.8A Active CN103117197B (en) | 2011-09-21 | 2012-09-21 | For the arc-chutes device of electromagentic switching apparatus |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2573783B1 (en) |
| KR (1) | KR101626390B1 (en) |
| CN (1) | CN103117197B (en) |
| BR (1) | BR102012023813B8 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105900204A (en) * | 2014-06-12 | 2016-08-24 | 西门子公司 | Quenching chamber device for an electromagnetic switching device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6784393B2 (en) * | 2001-09-28 | 2004-08-31 | Siemens Aktiengesellschaft | Arc quenching device for low-voltage switching devices |
| US20070056931A1 (en) * | 2005-09-08 | 2007-03-15 | Sezai Turkmen | Replaceable arc splitter cassette for a circuit breaker and circuit breaker having a replaceable arc splitter cassette |
| CN101540248A (en) * | 2009-03-30 | 2009-09-23 | 常熟开关制造有限公司(原常熟开关厂） | Low-voltage breaker |
| CN102129925A (en) * | 2011-04-02 | 2011-07-20 | 常熟开关制造有限公司(原常熟开关厂） | Arc-extinguishing chamber of circuit breaker with free-eliminating device |
-
2011
- 2011-09-21 EP EP11182095.7A patent/EP2573783B1/en active Active
-
2012
- 2012-09-20 BR BR102012023813A patent/BR102012023813B8/en active IP Right Grant
- 2012-09-21 CN CN201210355250.8A patent/CN103117197B/en active Active
- 2012-09-21 KR KR1020120105178A patent/KR101626390B1/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6784393B2 (en) * | 2001-09-28 | 2004-08-31 | Siemens Aktiengesellschaft | Arc quenching device for low-voltage switching devices |
| US20070056931A1 (en) * | 2005-09-08 | 2007-03-15 | Sezai Turkmen | Replaceable arc splitter cassette for a circuit breaker and circuit breaker having a replaceable arc splitter cassette |
| CN101540248A (en) * | 2009-03-30 | 2009-09-23 | 常熟开关制造有限公司(原常熟开关厂） | Low-voltage breaker |
| CN102129925A (en) * | 2011-04-02 | 2011-07-20 | 常熟开关制造有限公司(原常熟开关厂） | Arc-extinguishing chamber of circuit breaker with free-eliminating device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105900204A (en) * | 2014-06-12 | 2016-08-24 | 西门子公司 | Quenching chamber device for an electromagnetic switching device |
| CN105900204B (en) * | 2014-06-12 | 2018-06-01 | 西门子公司 | For the arc extinguishing chamber device of electromagnetic switchgear |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2573783A1 (en) | 2013-03-27 |
| EP2573783B1 (en) | 2017-03-08 |
| KR101626390B1 (en) | 2016-06-01 |
| BR102012023813A2 (en) | 2014-12-16 |
| BR102012023813B8 (en) | 2021-12-07 |
| KR20130031810A (en) | 2013-03-29 |
| BR102012023813B1 (en) | 2020-09-29 |
| CN103117197B (en) | 2016-05-25 |
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