CN103117197B - For the arc-chutes device of electromagentic switching apparatus - Google Patents
For the arc-chutes device of electromagentic switching apparatus Download PDFInfo
- Publication number
- CN103117197B CN103117197B CN201210355250.8A CN201210355250A CN103117197B CN 103117197 B CN103117197 B CN 103117197B CN 201210355250 A CN201210355250 A CN 201210355250A CN 103117197 B CN103117197 B CN 103117197B
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- CN
- China
- Prior art keywords
- arc
- baffle insert
- chutes
- designed
- laminations
- 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.)
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- 238000003475 lamination Methods 0.000 claims abstract description 32
- 230000007704 transition Effects 0.000 claims description 9
- 230000008859 change Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000000465 moulding Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010891 electric arc Methods 0.000 description 3
- 208000031481 Pathologic Constriction Diseases 0.000 description 2
- 230000036262 stenosis Effects 0.000 description 2
- 208000037804 stenosis Diseases 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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
-
- 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 present invention relates to a kind of arc-chutes device, for electromagentic switching apparatus, especially for breaker, this arc-chutes device has: arc extinguishing stack of laminations; The baffle insert being adjacent; And comprising the contact slipper device of movable switch connecting element, movable switch connecting element and fixing switch connecting element are oppositely arranged locates. The invention is characterized in, in baffle insert (1), be furnished with elasticity profile (12,13), this elasticity profile designs like this, and baffle insert (1) is positioned between the housing wall and arc extinguishing stack of laminations of electromagentic switching apparatus securely.
Description
Technical field
The present invention relates to a kind of for electromagentic switching apparatus, especially for the arc-chutes dress of breakerPut, this arc-chutes device has: arc extinguishing stack of laminations; The baffle insert being adjacent(Blendeneinsatz); And comprise the contact slipper device of movable switch connecting element, canThe switch connecting element of motion and fixing switch connecting element are oppositely arranged locates.
Background technology
Breaker, particularly low-voltage circuit breaker are electromagnetism automatic switches under short-circuit conditions. In principle,Its working method is corresponding to the working method of line protection switch. They be mostly equipped with heat and magneticElectrical apparatus release, and therefore there is the structural detail identical with line protection switch. But they are establishedMeter is for larger setting electric current, in addition, different from line protection switch, the dropout of breakerDevice can part regulate individually. In low pressure range, switch is also used as motor protection switch.
The task of breaker is that protection is connected to equipment, particularly threephase motor below, avoidsThe damage causing due to overload or short circuit. Wherein, breaker should turn-off and electric network protection device phaseThe electric current closing. If there is gas between the two poles of the earth, while having corresponding high voltage difference between the two poles of the earth,Realize ionization by arcing, and can form the gas discharge self maintaining, this gas discharge is also claimedMake electric arc. In addition, this plasma, not only with electric current, also can shorten the service life of parts,Under heavy current, even may damage switch. Be different from isolating switch, design like this breaker,In the situation that not damaging switch, eliminate fast the electric arc producing and borrow in the time of cut-off switch contactThis interruptive current.
For thering is high breaking capacity, particularly until have until 100 when the rated current of 80AIn the breaker of the breaking capacity of kA, problem is especially, due to the larger pressure forming,When this larger short circuit, on arc extinguishing locular wall, particularly the load on breaker bottom is high especially.For this type of dropout process, housing wall possibility is outwardly-bent or cause the top of breaker to occurCrack. In the worst case, the parts on top are fractureed.
Under short-circuit conditions, the breaker with high breaking capacity stands until the high arc extinguishing of 7.5barChamber pressure, same high plasma discharge rate is related to this. 0.1 to 0.2mm gap widthThrough enough, to plasma can be overflowed from predetermined track. This is also applicable to lean against each other oneThe arc extinguishing stack of laminations and the baffle insert that rise. For high breaking capacity, another problem is that baffle plate is slottingPart and arc extinguishing stack of laminations position each other. Must guarantee that two elements erect so relative to each other,Can mutually not superpose for the track of plasma exchange. In addition up to now, folded at arc extinguishingTransition section between sheet group and baffle insert becomes light section from large section suddenly. This has caused appearanceEddy 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-chutes device, this arc-chutes device existsIn the situation of high breaking capacity, there is improved performance.
This object is achieved by a kind of arc-chutes device. Embodiment and improvement project can be independentOr be mutually used in combination.
According to the present invention, this object by one be used for electromagentic switching apparatus, especially for breakerArc-chutes device be achieved, this arc-chutes device has: arc extinguishing stack of laminations; The gear being adjacentBoard package; And comprise the contact slipper device of movable switch connecting element, movable switchContact element and fixing switch connecting element are oppositely arranged locates. Wherein, feature of the present invention existsIn, in baffle insert, being furnished with elasticity profile, this elasticity profile designs like this, i.e. baffle insert jailAdmittedly be positioned between the housing wall and arc extinguishing stack of laminations of electromagentic switching apparatus. Wherein, can pacify at the same timeIn the situation of dress, guarantee to meet all margins of tolerance. By elasticity profile, avoid two adjacent arc extinguishingsArcing between lamination passage.
Preferably be designed to squarely according to baffle insert of the present invention, there are two and parallelly relatively establishThe sidewall of putting and two sidewalls that are connected these two sidewalls. In addition, baffle insert has front and the endFace. On front, be molded with top cover, this design of cover is for example for holding fixing switch contact elementPart.
On the sidewall of two designs parallel to each other, be furnished with distance piece (Abstandshalter), shouldDistance piece is protruding with respect to the sidewall of other two layouts parallel to each other, and realizes baffle insert(comprising arc extinguishing lamination) best orientation in switching device. On a sidewall, preferably arrangeHave the slot being stacked up and down abreast, these slots are formed for the plasma discharge rate through classificationPassage. In addition,, on the sidewall with slot, be preferably designed with two elasticity profiles, this bulletProperty profile is parallel to slot on sidewall to downward-extension.
Elasticity profile is preferably designed to have the L shaped or wedge shape of two legs, wherein, and a legBe designed to the projection of sidewall, and another leg and the first leg sidewall is at an angle of 90 in other words. Elasticity profilePreferably be arranged in the left and right sides of slot, and be preferably divided into three subregions, wherein distinguish twoIndividual subregion is connected to each other by the 3rd subregion, so as on the whole produce for elasticity profile conflux shape orPerson's wedge shape. Elasticity profile 12,13 in baffle insert 1 makes baffle insert 1 be pressed into securely electromagnetismBetween the housing wall of switching device and arc extinguishing stack of laminations.
According to proposing in another embodiment of baffle insert of the present invention, i.e. baffle insert and arc extinguishingStack of laminations is designed to be locked to each other. By the locking device between baffle insert and arc extinguishing stack of laminations, realExisting two functions. On the one hand, the position of two parts is fixed to one another, to there will not be slot profileOverlapping. On the other hand, although be with the complete bulged-in form of baffle insert, by lockingDevice, realizes feedback clear and definite in assembling process. Locking device can be designed to lock peg and spaceForm.
Propose according to the present invention in another embodiment,, from baffle insert to arc extinguishing lamination, be designed withFairshaped transition section. The transition section of airflow design makes to be beneficial to mobile moulding and to be kept away by thisExempt from eddy current. Realize the clean discharge of plasma, but not common scattering discharge when eddy current, thus,The dangerous rising of arcing between single phase place.
According to of the present invention for electromagentic switching apparatus, especially for the arc-chutes dress of breakerPut and be characterised in that, by the structural change in baffle insert, even if depress in high arc-chutes,Also can realize high breaking capacity. Elasticity profile in baffle insert belongs to structural change, this elastic wheelWide design like this, it is folded that baffle insert is pressed into housing wall and the arc extinguishing of electromagentic switching apparatus all the time securelyBetween sheet group. Avoid thus two arcings between adjacent arc extinguishing lamination passage. Another structural change existsLocking device between baffle insert and arc extinguishing stack of laminations, this locking device is guaranteed two functions. OneAspect, the position of two parts is fixed to one another, to there will not be the overlapping of slot profile. The opposing partyFace, realizes feedback clear and definite in assembling process by locking device. The 3rd structure in baffle insert is arrangedExecute and be, streamlined ground design transition section, to be beneficial to mobile moulding and avoided eddy current by this.Therefore realized clean plasma discharge.
Brief description of the drawings
Next according to embodiment and other advantage of the present invention and embodiment be described with reference to the accompanying drawings.
Wherein schematically illustrated:
Fig. 1 is at the first embodiment according to baffle insert of the present invention shown in perspective view;
Fig. 2 shown in perspective sectional view according to the baffle insert with locking device of the present inventionThe second embodiment;
Fig. 3 is the inserting according to baffle plate of the present invention with locking device according to Fig. 2 shown in perspective viewThe interior views of part;
Fig. 4 is at the top view of the layout being made up of arc extinguishing lamination and baffle insert shown in sectional view;
Fig. 5 is being beneficial to the fluidly gear of the passage of design according to having of Fig. 4 shown in perspective sectional viewBoard package;
Fig. 6 is at another embodiment according to baffle insert of the present invention shown in perspective view.
Detailed description of the invention
Fig. 1 illustrates the first embodiment according to baffle insert 1 of the present invention, and this baffle insert preferablyBe designed to squarely, there are two parallel sidewalls that are oppositely arranged 2,3 and be connected this two sidewalls 2,3Two sidewalls 4,5. In addition, baffle insert 1 has front 6 and bottom surface 7. On positive 6Be molded with top cover 8, this top cover 8 is designed to for example for holding fixing switch connecting element.
On sidewall 4,5, be furnished with spaced walls 9,10, this spaced walls is stretched out with respect to sidewall 2,3,And realize the best orientation of baffle insert 1 (comprising arc extinguishing lamination) in switching device. At sidewallOn 4, be preferably furnished with the slot 11 being stacked up and down abreast, these slots are formed for through classificationThe passage of plasma discharge rate. In addition, on sidewall 4, be designed with elasticity profile 12,13, shouldElasticity profile is parallel to slot 11 on sidewall 4 to downward-extension.
Elasticity profile 12,13 is preferably designed to have the L shaped of two legs 14,15, 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. BulletProperty profile 12,13 is preferably arranged in the left and right sides of slot 11, and is preferably divided into threeSubregion 16,17,18, wherein, subregion 16 and 18 is connected to each other by subregion 17, and wholeOn body, preferably produce the shape that confluxes for elasticity profile 12,13. Elasticity profile in baffle insert(federndeKontur) 12,13 make baffle insert 1 be pressed into securely all the time electromagentic switching apparatusHousing wall and arc extinguishing stack of laminations between.
Shown in Figure 2 have locking device according to baffle insert 1 of the present invention second implementExample. The sidewall 5 with slot 11 has been shown in this perspective sectional view, these slots be formed for throughCross the passage of the plasma discharge rate of classification. Have on the sidewall 5 in front 6 of top cover 8 close,Locking peg 19 is shown. Locking peg 19 connects baffle insert 1 and arc extinguishing stack of laminations for locking.Guarantee two functions by locking device. On the one hand, formed by baffle insert 1 and arc extinguishing stack of laminationsThe position of two parts be fixed to one another, to there will not be the overlapping of slot profile. 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 according to the front view of sidewall 5.
Arc extinguishing lamination 20 by baffle insert 1 according to the present invention and adjacency shown in Figure 4 formsLayout. Point-like face 21 represents current transition section, and this transition section forms by stenosis 22Eddy current 23, and can not allow the plasma of definition to discharge. Eddy current 23 is producing and is scattering not long agoThe discharge of plasma, the arcing danger between single phase place is risen thus. For in this introductionAccording to baffle insert 1 of the present invention, abandon stenosis 22, and realize thus fairshapedTransition section, this transition section is beneficial to mobile moulding and is avoided eddy current by this. Therefore realized cleanThe discharge of plasma. For this reason, as can be seen from Figure 5 the perspective of mobile best discharge-channel 24 is aobviousShow.
Fig. 6 illustrates another embodiment according to baffle insert 1 of the present invention, and this baffle insert 1 is samePreferably be designed to squarely, there are two parallel sidewalls that are oppositely arranged 2,3 and be connected two sidewalls 2,Two sidewalls 4,5 of 3. In addition, baffle insert 1 has front 6 and bottom surface 7. Positive 6On be molded with top cover 8, this top cover 8 is designed to for example for holding fixing switch connecting element.
On sidewall 4,5, be furnished with spaced walls 9,10, this spaced walls is stretched out with respect to sidewall 2,3,And realize the best orientation of baffle insert 1 (comprising arc extinguishing lamination) in switching device. At sidewallOn 4, be preferably furnished with abreast the slot 11 of upper and lower arranged superposed, these slots be formed for throughCross the passage of the plasma discharge rate of classification. In addition, on sidewall 4, be designed with elasticity profile 12,13, this elasticity profile is parallel to slot 11 on sidewall 4 to downward-extension.
Elasticity profile 12,13 is preferably arranged in the left and right sides of slot 11, and preferably dividesBe three subregions 16,17,18, wherein, subregion 16 and 18 is connected to each other by subregion 17, andAnd preferably produce on the whole the wedge shape that is respectively used to elasticity profile 12,13, this wedge shape is the end of towardsFace 7 is tapered. Elasticity profile 12,13 in baffle insert makes baffle insert 1 jail all the timeAdmittedly be pressed between the housing wall and arc extinguishing stack of laminations of electromagentic switching apparatus.
According to of the present invention for electromagentic switching apparatus, especially for the arc-chutes device of breakerBe characterised in that, by the structural change in baffle insert, even if depress in high arc-chutes, also canTo realize high breaking capacity. Elasticity profile in baffle insert belongs to structural change, this elasticity profileDesign like this, baffle insert is pressed into housing wall and the arc extinguishing lamination of electromagentic switching apparatus all the time securelyBetween group. Avoid thus the arcing between two adjacent arc extinguishing lamination passages. Another structural change existsLocking device between baffle insert and arc extinguishing stack of laminations, this locking device is guaranteed two functions. OneAspect, the position of two parts is fixed to one another, thereby there will not be the overlapping of slot profile. The opposing partyFace, realizes feedback clear and definite in installation process by locking device. The 3rd structure in baffle insertMeasure is, streamlined ground design transition section, to be beneficial to mobile moulding and avoided eddy current by this.Therefore realized the discharge of clean plasma.
Claims (8)
1. an arc-chutes device, for electromagentic switching apparatus, described arc-chutes device has: arc extinguishingStack of laminations; Baffle insert (1) with described arc extinguishing stack of laminations adjacency; And comprise movableThe contact slipper device of switch connecting element, described movable switch connecting element is with solidFixed switch connecting element is oppositely arranged and locates, and it is characterized in that, in described baffle insert(1) on the side of the housing wall at described electromagentic switching apparatus, be furnished with elasticity profile(12,13), described elasticity profile designs like this, and described baffle insert (1) is securelyBe positioned between the housing wall and described arc extinguishing stack of laminations of described electromagentic switching apparatus described gearBoard package is designed to square, has: two parallel sidewalls that are oppositely arranged, connect described twoTwo sidewalls, front and bottom surfaces of individual sidewall are molded with top cover, institute on described frontStating design of cover is for holding described fixing switch connecting element.
2. arc-chutes device according to claim 1, is characterized in that, described arc-chutes deviceFor breaker.
3. arc-chutes device according to claim 1, is characterized in that, described baffle insert (1)Be designed to L shaped.
4. according to the arc-chutes device described in any one in claims 1 to 3, it is characterized in that instituteState elasticity profile (12,13) design on the sidewall (4) of described baffle insert (1) alsoAnd there are three sub-portion sections (16,17,18), wherein, described elasticity profile (12,13)Be designed on the whole conflux shape or wedge shape.
5. according to the arc-chutes device described in any one in claims 1 to 3, it is characterized in that instituteState baffle insert (1) and described arc extinguishing stack of laminations is designed to be locked to each other.
6. arc-chutes device according to claim 4, is characterized in that, described baffle insert (1)Be designed to be locked to each other with described arc extinguishing stack of laminations.
7. according to the arc-chutes device described in any one in claims 1 to 3, it is characterized in that, fromDescribed baffle insert (1) is designed with fairshaped transition section to described arc extinguishing lamination.
8. arc-chutes device according to claim 6, is characterized in that, from described baffle insert(1) be designed with fairshaped transition section to described arc extinguishing lamination.
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 CN103117197A (en) | 2013-05-22 |
| CN103117197B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105900204B (en) * | 2014-06-12 | 2018-06-01 | 西门子公司 | For the arc extinguishing chamber device of electromagnetic switchgear |
Citations (3)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005043396A1 (en) * | 2005-09-08 | 2007-03-15 | Siemens Ag | Replaceable blanks for a circuit breaker and circuit breaker with replaceable blanks |
-
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 (3)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20130031810A (en) | 2013-03-29 |
| EP2573783B1 (en) | 2017-03-08 |
| BR102012023813B1 (en) | 2020-09-29 |
| KR101626390B1 (en) | 2016-06-01 |
| CN103117197A (en) | 2013-05-22 |
| EP2573783A1 (en) | 2013-03-27 |
| BR102012023813A2 (en) | 2014-12-16 |
| BR102012023813B8 (en) | 2021-12-07 |
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