CN103123872A - Installation switching device with ante-chamber and guidance fins - Google Patents

Installation switching device with ante-chamber and guidance fins Download PDF

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Publication number
CN103123872A
CN103123872A CN2012104626000A CN201210462600A CN103123872A CN 103123872 A CN103123872 A CN 103123872A CN 2012104626000 A CN2012104626000 A CN 2012104626000A CN 201210462600 A CN201210462600 A CN 201210462600A CN 103123872 A CN103123872 A CN 103123872A
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CN
China
Prior art keywords
contact
arc
guide rail
electric arc
contact pin
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Granted
Application number
CN2012104626000A
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Chinese (zh)
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CN103123872B (en
Inventor
J.施密特
T.巴林格
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ABB AB
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Asea Brown Boveri AB
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Publication of CN103123872A publication Critical patent/CN103123872A/en
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Publication of CN103123872B publication Critical patent/CN103123872B/en
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    • 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
    • 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
    • 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
    • H01H9/302—Means for extinguishing or preventing arc between current-carrying parts wherein arc-extinguishing gas is evolved from stationary parts
    • 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
    • H01H9/342—Venting arrangements for arc chutes

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  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Breakers (AREA)

Abstract

The invention relates to an installation switching device with an ante-chamber and guidance fins. The device comprises a cover shell, a contact assembly in the ante-chamber and an arc extinguish chamber. The contact assembly comprises a fixed contact member and a movable contact member, and the arc extinguish chamber comprises a first arc guide rail and a second arc guide rail, and is used to guide the arc generated at the contact assembly, when the conduction is carried out, in the arc extinguish chamber. The first arc guide rail is correlated with a fixed contact, the ante-chamber possesses a plurality of protruded guiding ribs on at least one sub-surface of the inner side of the cover shell, and the protruded ribs are extended to the region of the arc extinguish chamber from the region of the contact assembly in the travelling direction of the arc. The ante-chamber possesses a protruded splicing with an annularly enclosed peripheral contour on the at least one sub-surface of the inner side of the cover shell and in the region of the fixed contact, and the protruded splicing is arranged between the guiding ribs nearby the fixed contact member and the first arc guide rail, so that a gas circulation flowing around the splicing can be constructed between the guiding ribs nearby the fixed contact member and the first arc guide rail.

Description

Installation switching device with cup and guiding rib
Technical field
The present invention relates to a kind of installation switching device of preamble according to claim 1, its with: case, in cup the contact assembly (Kontaktanordnung) of (Vorkammerraum), wherein, contact assembly comprises fixing and movable contact; With arc control device; With the first and second electric arc guide rails, it will be when connecting in the electric arc of contact assembly place's generation directs into arc control device, wherein, the first electric arc guide rail is associated with fixed contact (Festkontakt), wherein, cup has a plurality of outstanding guiding ribs (Leitrippe) at least one height face (Teilflaeche) of case inboard, the ground extension is extended until arrange the zone of arc control device about the direct of travel of electric arc greatly in its zone from contact assembly.
The invention particularly relates to the electric arc cup, not with cup dish (Vorkammerplatte) with the electrical installation device of the arc-control device of current limiting.The inventive example is as being used in line protection switch or engine protection switch.
Background technology
Line protection switch or engine protection switch are used for, and load are had the electric wire of the overcurrent (Ueberstrom) of high current intensity to separate with supply network under failure condition.To this, usually be provided with fixing and movable contact in the electric arc cup, it is connected with corresponding joint Terminal.When switch contact is opened, that is to say when movable contact is lifted away from from fixing contact, produce switching arc (Schaltlichtbogen), it is extinguished in to the arc-control device of this setting.The electric arc of pulling out is transformed on the electric arc guide rail from the contact of opening, advance on the direction of arc control device along the electric arc guide rail with its sufficient point (Fusspunkt), in order to next be divided into a series of sub-electric arcs there in groups of arc plates (often the form with so-called deionization-arc control device forms).Due to the sub-electric arc that is divided into series connection, produce high arc voltage and be used for current limliting there, thus arc extinction.
At a kind of installation switching device shown in file DE 39 08 102 A1, be molded with therein a plurality of prismatic outstanding, contact pin that point to the plane of the opening of contact in cup at the locular wall place, it passes elongation until arrange the arc extinguishing zone about advancing at electric arc on the direct of travel of switching arc greatly from the zone of contact component between guide rail.Guide closely and additionally driven between this outstanding upside in narrow contact pin from the switching arc of contact site, and the gas pressure that produces before at arc column (Lichtbogens ule) can be around its balance in flow channel.In particular, release in the gas pressure that produces before mobile electric arc can the flow channel between contact pin.By this of gas flow effectively be equilibrated at electric arc before and hinder the pressure reduction that electric arc moves in afterwards zone.In addition, pressure balance is provided at the good deionization (Entionisierung) of newly lighting dangerous zone that has at place, contact site after electric arc.
Summary of the invention
The object of the invention is to so improve a kind of installation switching device with the guiding rib in cup, make the gas that is produced by electric arc to arrive quickly to the direction of groups of arc plates.
This purpose realizes by the installation switching device with the feature of the characteristic of claim 1.
According to the present invention, cup namely has the outstanding contact pin with closed circlewise periphery contour in the zone at fixed contact therefor at least one height face of case inboard, it is arranged between the guiding rib and the first electric arc guide rail of contiguous fixed contact therefor, makes between the guiding rib that is close to fixed contact therefor and the first electric arc guide rail and can be configured with the gas circulation that flows around contact pin.Therefore contact pin designed according to this invention be arranged in the zone of fixed contact therefor.Its design with closed circlewise periphery contour allows arc extinguishing gases around the gas circulation of contact pin.Produce thus the partial reflux of arc extinguishing gases after the switching arc of advancing to arc-control device, and this backflow reduces the pressure reduction between electric arc front side and rear side and additionally drives electric arc.Therefore electric arc also is pushed in groups of arc plates quickly.
According to of the present invention one favourable form of implementation, the first electric arc guide rail has the intercept of elongation, fixedly contact angle (Festkontakthorn) the carrying fixed contact therefor, that construct on arc ground is connected with the one end, and be arranged in the contact pin of closed circlewise periphery contour in the zone of fixing contact angle, make between the intercept of the elongation of the guiding rib of contiguous fixedly contact angle and the first electric arc guide rail can be configured with around the mobile gas circulation of contact pin.Fixedly the free end of contact angle this point to the first electric arc guide rail elongation intercept begin the place.Here the first electric arc guide rail is also referred to as fixing contact guide rail.By fixing contact angle, the foot point of switching arc on first subsegment in its path near arc control device have been introduced to the intercept of elongation of fixing contact guide rail, make on the part of the elongation that then makes electric arc foot point easily be transformed into guide rail.According to the present invention, this that produces that the contact pin of gas flow of circulation that band is improved the effect of electric arc gait of march is installed in arc motion begins in the zone.The effect of accelerating gait of march is large especially here.
According to an advantageous forms of implementation of the present invention, contact pin has the contact pin intercept of arc, and the periphery contour of the contact pin intercept of arc and fixedly the periphery contour of contact angle be complementary.Segmental arc with contact pin realizes covering the fixedly arc of contact angle on profile thus.Observe on the direction perpendicular to the wide side of installation switching device, fixedly the segmental arc of the arc of contact angle and contact pin is aimed to a certain extent mutually.The gas of switching arc arranges wall thus to a certain extent, it is by fixedly the arc of contact angle and the arc intercept of contact pin form, and therefore gas be forced to around this wall and circulate around contact pin thus, because blocked by this wall towards the directapath of arc control device point-blank for it.
According to of the present invention one favourable form of implementation, case is assembled by two case half shells, and wherein, guiding rib and contact pin are arranged on the sub-face of case inboard of case half shell.Guiding rib and contact pin can so design at this perpendicular to the height of the inwall of case half shell, make in case half shell of assembling guiding rib and contact pin fill up whole width between two relative inboards of case half shell.Arcing gas is forced in the flow channel that forms between the guiding rib of contact pin and contiguous contact pin in other words between the guiding rib thus, and it can not get around (ausweichen) along inwall in the side.
According to another favourable form of implementation of the present invention, case is assembled by two case half shells, wherein, be molded with son guiding rib and sub-contact pin on the relative sub-face of the case inboard of each case half shell, it complementally is complemented at guiding rib and contact pin when assembling case half shell.
Description of drawings
Should elaborate and illustrate the present invention and other favourable design and improvement project of the present invention according to the accompanying drawing that embodiments of the invention are shown therein.
Wherein:
Fig. 1 shows the vertical view according to the case of opening half shell of installation switching device of the present invention, wherein partly removes assembly,
Fig. 2 shows that band is useful on the arrow of explanation gas flow to the schematic vertical view according to the front chamber region of installation switching device of the present invention, and
Fig. 3 shows that wherein, all component is removed to the vertical view according to the case of opening half shell of installation switching device of the present invention.
Identical or member same function or element are indicated with identical Reference numeral in the accompanying drawings.Illustrated form of implementation exemplarily represents summary of the invention and the not conditional effect of tool.
List of numerals
1 installation switching device
2 case half shells
The positive side of 3 fronts
The positive side of 4,4' back
The narrow side of 5,5'
6 fixation side
7 recesses
8,8' keeps nose (Haltenase)
9 switch knobs
10 hinges (Gelenkkette)
11 clips (Buegel)
12 intermediate bars
13 pawl bars (Klinkenhebel)
14 release levers (Ausloesehebel)
15 impact bars (Schlaghebel)
16 contact levers
17 impact armature (Schlaganker)
18 bimetallics
19 arc control device
20 cups
21 first guide rails, fixing contact guide rail
The intercept of 22 elongations
23 fixing contact angles
24 fixed contact therefors
25 second guide rails
26 legs that tilt
27 keep leg (Halteschenkel)
28 bimetallic fixed positions
29 movable contacts
30,30', 30'' guides rib
The contact pin of 31 annulars
The contact pin intercept of 32 arcs
33 ribs
34 grooves
35 first sub-legs
36 bends (Abbiegung).
Embodiment
Fig. 1 namely illustrates the vertical view to the case of opening half shell 2 of installation switching device 1 according to the present invention (line protection switch here).Corresponding with illustrated those in file DE 10 2,008 006 863 A1 to a great extent in installation switching device 1 layout of section's structure, its function and other assembly or element (its setting function for it is arranged in case 2) and design within it.Therefore this document is included in disclosure of the present invention aspect the other 26S Proteasome Structure and Function of installation switching device and its assembly and parts in.The design of the cup of the installation switching device that content of the present invention is especially such.
Have the positive side 3 of front, positive side 4,4', narrow side 5,5' and the fixation side 6 of back according to the case of the installation switching device of Fig. 1.Exist at fixation side 6 places and stretch into maintenance nose 8 wherein, the recess 7 of 8' with two, utilize to keep nose 8,8' case can be fixed on nominal contour supporting rail place.In Fig. 1 not shown all for the setting function of line protection switch required assembly and member.Assembly and element with the closely linked system of the present invention especially are shown.
Positive side 3 places in front exist to be used for the switch knob 9 of master cock mechanism and movable contact lever 16.The movable contact lever 16 movable contacts 29 of carrying.Switch knob 9 is connected with contact lever 16 via hinge 10.Hinge 10 comprises clip 11, intermediate bar 12, pawl bar 13 and release lever 14.Intermediate bar 12 and pawl bar 13 form the interlock position (Verklinkungsstelle) of switching mechanism each other.This interlock position is taken off and is stung when handling release lever suitably, usually says, release lever 14 is so in the off-position.If the interlock position is taken off sting, the motion of contact lever 16 discharges in its open position, and contact lever 16 is pressed onto in open position by spring (not shown at this).As long as the not interlock again of interlock position, contact lever can not be reset to again in its off-position, and the contact site stays open.When its on-position swings to its scram position, be attached to the interlock position by making this oscillating motion via clip 11 at switch knob 9, also can discharge taking off of interlock position and sting.For release lever is moved in its off-position, itself and impact bar 15 are connected.Impact bar 15 is connected with thermal release (at this bimetal strip 18) and with the impact armature system 17 of magnetic again.Realize via another clip with the link of bimetal strip 18, it is not shown at this.Not only in the situation that continue overcurrent, when the corresponding extensively bending of bimetal strip 18, and in the situation that high short circuit current, when impacting armature system 17 response, impact bar 15 is swung, be delivered to its oscillating motion on release lever 14 and cause that thus taking off of interlock position sting, this causes contact lever 16 to swing and therefore causes movable contact 29 to be lifted away from from fixing contact 14.At this, be configured with switching arc (not shown at this) between movable and fixing contact 29,24.
Switching arc is directed in arc control device 19 by the device that is suitable for arc extinguishing.Identify the rib 33 that extends in parallel, stretch out from encloser inner wall in the zone of arc control device 19 in Fig. 1 to 3.Be fixed with arc extinguishing board (not shown at this) in the groove 34 that forms between these ribs 33.Electric arc is punished into the sub-electric arc of a series of connected in electrical series in entering arc control device the time at arc extinguishing board, produce thus the arc voltage that improves, and it reacts on supply voltage, the limiting short-circuit current that is added in the terminal place and causes extinguishing of electric arc.
The zone that is positioned at case wherein by movable and contact assembly that fixing contact consists of is called as cup 20.Switching arc is directed in arc control device 19 by means of the first and second electric arc guide rails 21,25 from cup.The electric arc of pulling out is transformed on electric arc guide rail 21,25 from the contact 24,29 of opening at this, advances along the groups of arc plates of electric arc guide rail in arc control device 19 with its foot point.
Intercept 22, the first guide rails 21 that the first guide rail 21 has elongation utilize it limiting arc control device on the direction of positive side 3.There is vertically crooked dish in end at the sensing cup 20 of the intercept 22 of elongation, impacts armature system 17 and is fixed on its place.In addition, at Pan Chu and be configured with at the free end of intercept 22 of elongation the angle 23 that construct on arc ground thus.Angle 23 is with the direction of the arc side sensing fixation side 6 of convex, and the fixing contact 24 of its carrying, and it is also referred to as fixedly contact angle 23 thus.
The second guide rail 25 has the intercept of elongation equally, and the second guide rail 25 utilizes it at restriction arc control device 19 on the direction of fixation side 6.Form in the end of the sensing cup 20 of the intercept of elongation with the leg 26 that points to obliquely the movably inclination of contact lever is molded with the second intercept.In its open position, bend 36 is connected to leg 26 places of inclination near the free end of contact lever movably, and bend 36 points to fixation side 6 downwards and is transitioned in the 3rd intercept.Bend 36 and the 3rd intercept vertically cut and form two sub-legs 35,27 that extend in parallel at this.One sub-leg 35 is flatly crooked and be used for being connected to the joint Terminal place to the part of short vertical extension again.The second sub-leg 27, also referred to as keeping leg 27 to extend straight down and at its lower free end carrying bimetallic fixed position 28, bimetallic 18 welds or otherwise be fixed on its place.In open position, the free end of contact lever 16 makes to make thus electric arc be easy to cross on the second electric arc guide rail 25 near bend 36.
With fixedly the first and second electric arc guide rails 21,25 materials by good conductive of contact angle 23 consist of.
Cup 20 has a plurality of outstanding guiding ribs 30,30', 30 at least one height face of case inboard ", the ground extension is extended until arrange the zone of arc control device 19 about the direct of travel of electric arc greatly in its zone from contact assembly.From the switching arc of contact site at this at guiding rib 30,30', 30 " outstanding upside between guide closely and additionally driven, and can be around its balance in flow channel at the gas pressure that produces before arc column.In particular, can be at guiding rib 30,30', 30 at the gas pressure that produces before mobile electric arc " between flow channel in release.By this of gas flow effectively be equilibrated at electric arc before and hinder the pressure reduction that electric arc moves in afterwards zone.In addition, pressure balance is provided at the good deionization of newly lighting dangerous zone that has at place, contact site after electric arc.
Cup 20 in addition on the sub-face of case inboard in the zone of fixed contact therefor 24, have the contact pin 31 of giving prominence to closed circlewise periphery contour in the zone at fixing contact angle 23 more accurately, it is arranged in contiguous fixed contact therefor 24, the fixing guiding rib 30 of contact angle 23 " and between the first electric arc guide rail 21 more accurately.The contact pin 32 of annular has intercept 32 (it is to oblique below, protruding upward towards the side of the leg 26 that tilts) and the straight intercept (it is towards the intercept 32 of upper closed arc) of arc, makes contact pin 32 be similar to generally and has the shape of alphabetical D.The periphery contour of the contact pin intercept 32 of arc and fixedly the periphery contour of the arch section of contact angle be complementary.Realize thus covering the fixedly arc of contact angle 23 with the segmental arc 32 of contact pin 31 on profile.Fixedly the segmental arc 32 of the arc of contact angle 23 and contact pin 31 is aimed to a certain extent mutually.The gas of switching arc arranges wall thus to a certain extent, it is by fixedly the arc of contact angle and the segmental arc 32 of contact pin 31 form, and therefore gas be forced to around this wall and circulate around contact pin 31 thus, because blocked by this wall towards the directapath of arc control device point-blank for it.
Thus, the guiding rib 30 at contiguous fixed contact therefor 24 " and can be configured with the gas circulation that flows around contact pin 31 between the first electric arc guide rail 21.Contact pin 31 is arranged in the zone of fixed contact therefor 24.Its design with closed circlewise periphery contour allows arc extinguishing gases around the gas circulation of contact pin 31.Produce thus the partial reflux of arc extinguishing gases after the switching arc of advancing to arc-control device, and this backflow reduces the pressure reduction between electric arc front side and rear side and additionally drives electric arc.Therefore electric arc also is pushed in groups of arc plates quickly.By arrow, corresponding gas flow is described in Fig. 2.
Case is implemented with the shell mechanism type, this means, it is assembled by two cases, half shell 2, wherein, guiding rib 30,30', 30, and " and contact pin 31 is arranged on the sub-face of case inboard of case half shell 2.Fig. 3 has shown the view of such case half shell 2, not with any other member or the element of line protection switch.Guiding rib and contact pin is spray together in a course of work when injection moulding case half shell 2 together with other profile element.
Also can be in relative sub-face patrix system guiding rib and the sub-contact pin of the case inboard of each case half shell, it complementally is complemented at guiding rib 30,30', 30 " and contact pin 31 when assembling case half shell.
Easily visiblely for the professional be, the invention is not restricted to the details of above-mentioned illustrated form of implementation, and the present invention can implement with other special forms, and do not depart from its principal character, and wish that therefore the form of implementation that exists is regarded as illustrative and nonrestrictive in either side.

Claims (5)

1. an installation switching device (1), it is with: case (2), contact assembly in cup (20), and wherein, described contact assembly comprises fixing contact (24) and movable contact (29), with arc control device (19), with the first electric arc guide rail (21) and the second electric arc guide rail (25), it will be when connecting in the electric arc of described contact assembly place's generation directs into described arc control device (19), wherein, described the first electric arc guide rail (21) is associated with fixed contact (24), wherein, described cup (20) has a plurality of outstanding guiding ribs (30 at least one height face of case inboard, 30', 30 "), the ground extension is extended until arrange the zone of described arc control device (19) about the direct of travel of described electric arc greatly in its zone from described contact assembly, it is characterized in that, described cup (20) has the outstanding contact pin (31) with closed circlewise periphery contour in the zone of described fixed contact therefor (24) at least one height face of described case inboard, its described guiding rib that is arranged in contiguous described fixed contact therefor (24) is (between 30 ") and described the first electric arc guide rail (21), make the described guiding rib at contiguous described fixed contact therefor (24) (can be configured with the gas circulation that flows around described contact pin (31) between 30 ") and described the first electric arc guide rail (21).
2. installation switching device according to claim 1 (1), it is characterized in that, described the first electric arc guide rail (21) has the intercept (22) of elongation, carry described fixed contact therefor (24), the fixedly contact angle (23) of arc ground structure is connected with the one end, and the described contact pin (31) with closed circlewise periphery contour is arranged in the zone of described fixedly contact angle (23), make the described guiding rib at contiguous described fixedly contact angle (23) (can be configured with the gas circulation that flows around described contact pin (31) between the intercept (22) of the elongation of 30 ") and described the first electric arc guide rail (21).
3. installation switching device according to claim 2 (1), it is characterized in that, described contact pin (31) has the contact pin intercept (32) of arc, and the periphery contour of the periphery contour of the contact pin intercept (32) of described arc and described fixedly contact angle (23) is complementary.
4. according to the described installation switching device of any one (1) in aforementioned claim, it is characterized in that, described case is assembled by two case half shells (2), wherein, described guiding rib (30,30', 30 ") and described contact pin (31) are arranged on the sub-face of case inboard of case half shell (2).
5. the described installation switching device of any one (1) according to claim 1 to 3, it is characterized in that, described case is assembled by two case half shells (2), wherein, be molded with son guiding rib and sub-contact pin on the sub-face of relatively putting of the case inboard of each case half shell, it complementally is complemented at described guiding rib (30,30', 30 ") and described contact pin (31) when described case half shell of assembling.
CN201210462600.0A 2011-11-19 2012-11-16 With the installation switching device of cup and guide rib Active CN103123872B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110118968 DE102011118968B3 (en) 2011-11-19 2011-11-19 Installation switching device with pre-chamber space and guide ribs
DE102011118968.1 2011-11-19

Publications (2)

Publication Number Publication Date
CN103123872A true CN103123872A (en) 2013-05-29
CN103123872B CN103123872B (en) 2016-06-01

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EP (1) EP2595168B1 (en)
CN (1) CN103123872B (en)
AR (1) AR088861A1 (en)
DE (1) DE102011118968B3 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104835701A (en) * 2015-06-09 2015-08-12 厦门宏发开关设备有限公司 Breaker with arc extinguishing device
CN105185671A (en) * 2015-10-30 2015-12-23 上海电科电器科技有限公司 Circuit breaker and baffles thereof
CN106104741A (en) * 2014-03-31 2016-11-09 松下知识产权经营株式会社 Chopper
CN106104742A (en) * 2014-03-31 2016-11-09 松下知识产权经营株式会社 Chopper
KR20180105638A (en) * 2015-11-02 2018-09-28 세리 일렉트릭 테크놀로지 컴퍼니 리미티드 Circuit breaker, and the exhaust structure

Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
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CN117747373A (en) * 2024-01-26 2024-03-22 浙江诚通电力科技有限公司 Arc extinguishing system of low-voltage direct-current breaker

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2575861A1 (en) * 1985-01-07 1986-07-11 Merlin Gerin Miniature electric circuit breaker with arc forming chamber
DE3908102A1 (en) * 1989-03-13 1990-09-20 Licentia Gmbh Automatic circuit breaker, especially a line protective circuit breaker
JP2003217430A (en) * 2002-01-22 2003-07-31 Hitachi Ltd Circuit breaker
CN1879183A (en) * 2003-11-11 2006-12-13 西门子公司 Arc quenching system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR72357E (en) * 1956-10-17 1960-03-31 Busch Jaeger Duerener Metalwer Automatic circuit breaker or installation circuit breaker with manual, magnetic and thermal trip
DE4007606A1 (en) * 1990-03-09 1991-09-12 Licentia Gmbh Automatic load protection switch
NL1027342C2 (en) * 2004-10-26 2006-04-27 Eaton Electric Nv Fire extinguisher for safety switch.
DE102008006863A1 (en) 2007-05-23 2009-01-22 Abb Ag Electrical service switching device
DE102009023556B4 (en) * 2009-05-30 2012-01-19 Abb Ag Electrical switching device with a thermal release

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2575861A1 (en) * 1985-01-07 1986-07-11 Merlin Gerin Miniature electric circuit breaker with arc forming chamber
DE3908102A1 (en) * 1989-03-13 1990-09-20 Licentia Gmbh Automatic circuit breaker, especially a line protective circuit breaker
JP2003217430A (en) * 2002-01-22 2003-07-31 Hitachi Ltd Circuit breaker
CN1879183A (en) * 2003-11-11 2006-12-13 西门子公司 Arc quenching system

Cited By (11)

* Cited by examiner, † Cited by third party
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CN106104741A (en) * 2014-03-31 2016-11-09 松下知识产权经营株式会社 Chopper
CN106104742A (en) * 2014-03-31 2016-11-09 松下知识产权经营株式会社 Chopper
CN106104742B (en) * 2014-03-31 2018-06-19 松下知识产权经营株式会社 Breaker
CN106104741B (en) * 2014-03-31 2018-08-24 松下知识产权经营株式会社 Breaker
CN104835701A (en) * 2015-06-09 2015-08-12 厦门宏发开关设备有限公司 Breaker with arc extinguishing device
CN105185671A (en) * 2015-10-30 2015-12-23 上海电科电器科技有限公司 Circuit breaker and baffles thereof
WO2017071449A1 (en) * 2015-10-30 2017-05-04 上海电科电器科技有限公司 Circuit-breaker and baffle thereof
CN105185671B (en) * 2015-10-30 2019-06-25 上海电科电器科技有限公司 Breaker and its baffle
RU2700790C1 (en) * 2015-10-30 2019-09-23 Сэари Электрик Технолоджи Ко., Лтд. Automatic circuit breaker and reflector therefor
KR20180105638A (en) * 2015-11-02 2018-09-28 세리 일렉트릭 테크놀로지 컴퍼니 리미티드 Circuit breaker, and the exhaust structure
KR102641636B1 (en) * 2015-11-02 2024-02-28 세리 일렉트릭 테크놀로지 컴퍼니 리미티드 Circuit breaker and its exhaust structure

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AR088861A1 (en) 2014-07-16
DE102011118968B3 (en) 2013-01-31
EP2595168A1 (en) 2013-05-22
EP2595168B1 (en) 2015-10-14
CN103123872B (en) 2016-06-01

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