CN104124117B - A kind of chopper with Novel arc extinguishing room - Google Patents
A kind of chopper with Novel arc extinguishing room Download PDFInfo
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- CN104124117B CN104124117B CN201410396681.8A CN201410396681A CN104124117B CN 104124117 B CN104124117 B CN 104124117B CN 201410396681 A CN201410396681 A CN 201410396681A CN 104124117 B CN104124117 B CN 104124117B
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- arc extinguishing
- housing
- groove
- arc
- chopper
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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
- H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
- H01H9/446—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using magnetisable elements associated with the contacts
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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
- H01H9/36—Metal parts
- H01H2009/365—Metal parts using U-shaped plates
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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
- H01H9/302—Means for extinguishing or preventing arc between current-carrying parts wherein arc-extinguishing gas is evolved from stationary parts
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses a kind of chopper with Novel arc extinguishing room, including arc-chutes, be provided with the static contact conductive plate of the static contact embedding described arc-chutes, and embed the moving contact can being switched on or switched off with described static contact in described arc-chutes；Being additionally provided with yoke on described static contact conductive plate, described yoke forms uncovered holding tank, described moving contact is positioned at the described holding tank of described yoke.In the present invention, being provided with yoke on described static contact conductive plate, when circuit is short-circuited, yoke can produce magnetic field, increases magnetic blow-out intensity, accelerates arc extinction；And described moving contact is arranged in the described holding tank of described yoke in the present invention, so produce magnetic field can maximum contact arc, enable electric arc to be off rapidly.
Description
Technical field
The present invention relates to a kind of chopper, relate in particular to a kind of chopper with Novel arc extinguishing room.
Background technology
The short-circuit protection of chopper is the critical function of various electrical equipment; also it is the important symbol weighing chopper performance; and arc quenching system is the vitals that chopper ensures breaking capacity; traditional arc quenching system is mainly made up of arc-chutes, contact component; wherein arc-chutes some arc extinguishing grid pieces and insulation support assemble, riveted joint forms；But due to the restriction of chopper self space, the limited amount of arc extinguishing grid pieces, the arc extinguishing of therefore traditional breaker of plastic casing arc-chutes is limited in one's ability.
A kind of arc-extinguishing chamber of circuit breaker is disclosed for this Chinese patent literature CN103871795A, it includes multiple parallel and spaced arc extinguishing grid pieces, two parallel and spaced arc extinguishing grid pieces installing plates, described arc extinguishing grid pieces is fixed between two arc extinguishing grid pieces installing plates, the middle part of described arc extinguishing grid pieces is provided with the escape groove keeping away moving contact of breaker motion, described arc extinguishing grid pieces both sides of groove on keeping away offer slot respectively, are inserted with the plate that material is gas exhausted material in this slot.Namely in the arc-extinguishing chamber of circuit breaker described in above-mentioned patent documentation, when an arc occurs, the high temperature of electric arc makes the plate in slot be gasificated into rapidly gas, makes electric arc fast transfer contact with arc extinguishing grid pieces producing air pressure, accelerates arc extinction.
But the arc-extinguishing chamber of circuit breaker described in above-mentioned patent documentation has the following disadvantages: in this arc-extinguishing chamber of circuit breaker, it it is the extinguishing that after being gasified by plate, the gas atmosphere of generation accelerates electric arc, but these arc-chutes by arc grid, the splicing construction of arc extinguishing grid pieces installing plate and plate three splicing, the gas causing the generation after plate gasification can not gather, that is the gas produced is susceptible to multi-faceted diffusion, gas atmosphere is less, thus causing the arc extinguishing ability of these arc-chutes can not have bigger lifting, though namely the arc-chutes of this kind of structure relative to have before lifting its arc extinguishing ability is still limited.
Summary of the invention
For this, the gas atmosphere that the technical problem to be solved is in that in arc-chutes of the prior art and produces is little, and arc extinguishing is limited in one's ability, and then provides the chopper with Novel arc extinguishing room that a kind of arc extinguishing ability is strong.
For solving above-mentioned technical problem, a kind of chopper with Novel arc extinguishing room of the present invention, including arc-chutes, it is provided with the static contact conductive plate of the static contact embedding described arc-chutes, and embeds the moving contact can being switched on or switched off with described static contact in described arc-chutes；
Being additionally provided with yoke on described static contact conductive plate, described yoke forms uncovered holding tank, described moving contact is positioned at the described holding tank of described yoke.
Described yoke is " U " type yoke.
Described arc-chutes include arc extinguishing assembly, and described arc extinguishing assembly includes
Form the first housing of some first installing holes；
Form the second housing of some second installing holes；
Some insertion respectively by two ends in described first installing hole and described second installing hole is arranged on the first housing described in splicing all-in-one-piece and the arc extinguishing grid pieces on described second housing, is formed through groove between the bipod of described arc extinguishing grid pieces；
Wherein, the static contact conductive plate being provided with described static contact is positioned at described by below groove, the described of some described arc extinguishing grid pieces forms passage by groove alignment, and described moving contact can move back and forth to be switched on or switched off with the static contact on described static contact conductive plate in described passage.
Described arc-chutes also include to splice all-in-one-piece insulating boot with described arc extinguishing assembly, described insulating boot is set on described arc extinguishing assembly, the opening of described insulating boot extends to described static contact conductive plate place, also forming the arc extinguishing slit that can be connected with described passage and be suitable for described moving contact traverse on the sidewall of described insulating boot, the both sides of described arc extinguishing crack are provided with aerogenesis plate.
Described arc-chutes also include to splice all-in-one-piece insulating boot with described arc extinguishing assembly, described insulating boot has a cavity, one end of described cavity is provided with the aerogenesis plate of two, the arc extinguishing slit being suitable for described moving contact traverse is formed between two described aerogenesis plates, two described first housings being suitable for splicing one are formed between two described aerogenesis plates and the inwall of described insulation, the insertion groove that the insertion end of the second housing inserts respectively, described insertion end is the described by the one end residing for groove of described arc extinguishing grid pieces, what the bottom also molding of described arc extinguishing crack was suitable for that described static contact stretches into stretches into hole.
Two arms of described " U " type yoke are respectively protruding in two described insertion grooves by the bottom of described insulating boot.
It is provided with between described first housing and described second housing and the two can be spliced all-in-one-piece splicing construction, described splicing construction includes the first splicing construction being arranged on described first housing and described second case top stitching portion, and it is arranged on described first housing and described second housing, with the second splicing construction on the described other end sidewall contrary by groove.
Described first splicing construction includes being arranged at the first guide rail in described first case top and/or the first guide groove, and arranges the first guide groove and/or the first guide rail that insert with coordinating with described first guide rail and/or the first guide groove in described second case top.
Described second splicing construction includes being molded over the dovetail groove on described first housing and/or dove-tail form lug, and is molded over the dove-tail form lug with described dovetail groove and/or the use of dove-tail form tab cooperation on described second housing and/or dovetail groove.
On described first housing, the longitudinal section of the sidewall at described dovetail groove and/or dove-tail form lug place is shaped to the angle V-type more than 90 degree, on described second housing, the sidewall longitudinal section at described dove-tail form lug and/or described dovetail groove place is shaped to the angle V-type more than 90 degree, and described dovetail groove, described dove-tail form lug are molded on the both sides of V-type sidewall.
Described first installing hole and described second installing hole are groove.
Described groove is rectangle, and notch four limit of each described groove is equipped with chamfering.
The length direction of described groove all with horizontal plane bevel.
The number of degrees at described oblique angle are set to 24 degree.
Described groove includes elongated slot and short groove, and described arc extinguishing grid pieces includes the long foot grid being arranged in described elongated slot and the short foot grid being arranged in described short groove.
Described short groove is arranged near described static contact conductive plate, and is provided with disconnected foot grid described at least two in each described short groove.
Described insulating boot is set to aerogenesis insulating boot, and described aerogenesis insulating boot is one-body molded with described aerogenesis plate.
The technique scheme of the present invention has the advantage that compared to existing technology
(1) in the chopper with Novel arc extinguishing room of the present invention, described static contact conductive plate being additionally provided with yoke, described yoke forms uncovered holding tank, described moving contact is positioned at the described holding tank of described yoke；Namely in the present invention, being provided with yoke on described static contact conductive plate, when circuit is short-circuited, yoke can produce magnetic field, increases magnetic blow-out intensity, accelerates arc extinction；And described moving contact is arranged in the described holding tank of described yoke in the present invention, so produce magnetic field can maximum contact arc, enable electric arc to be off rapidly.
(2) in the chopper with Novel arc extinguishing room of the present invention, described arc-chutes also include to splice all-in-one-piece insulating boot with described arc extinguishing assembly, described insulating boot is set on described arc extinguishing assembly, the opening of described insulating boot extends to described static contact conductive plate place, also forming the arc extinguishing slit that can be connected with described passage and be suitable for described moving contact traverse on the sidewall of described insulating boot, the both sides of described arc extinguishing crack are provided with aerogenesis plate；Namely in the present invention, described in splicing all-in-one-piece, the outside of arc extinguishing assembly is arranged with insulating boot, described insulating boot is possible not only to prevent described first housing, there is unexpected dislocation between described second housing and described arc extinguishing grid pieces or depart from, a relative airtight space can also be formed with described arc extinguishing assembly, the closed chamber only with an outlet is become by described arc-chutes, so after aerogenesis plate gasifies, gas can accumulate in together, the gas atmosphere produced is big, high pressure compressed electric arc forms arc column, accelerate arc extinction, namely powerful air pressure can scold the moment starting contact that electric arc quickly blows into arc-chutes at short circuit current, thus shortening the arc transfer time, alleviate contact damage, air pressure can will push away on moving contact simultaneously, accelerate moving contact breaking speed, improve current limliting.
(3) in the chopper with Novel arc extinguishing room of the present invention, described arc-chutes also include to splice all-in-one-piece insulating boot with described arc extinguishing assembly, described insulating boot has a cavity, one end of described cavity is provided with the aerogenesis plate of two, the arc extinguishing slit being suitable for described moving contact traverse is formed between two described aerogenesis plates, two described first housings being suitable for splicing one are formed between two described aerogenesis plates and the inwall of described insulation, the insertion groove that the insertion end of the second housing inserts respectively, described insertion end is the described by the one end residing for groove of described arc extinguishing grid pieces, what the bottom also molding of described arc extinguishing crack was suitable for that described static contact stretches into stretches into hole；Namely in the present invention, described in splicing all-in-one-piece, the outside of arc extinguishing assembly is arranged with insulating boot, described insulating boot is possible not only to prevent described first housing, there is unexpected dislocation between described second housing and described arc extinguishing grid pieces or depart from, a relative airtight space can also be formed with described arc extinguishing assembly, the closed chamber only with an outlet is become by described arc-chutes, so after aerogenesis plate gasifies, gas can accumulate in together, the gas atmosphere produced is big, high pressure compressed electric arc forms arc column, accelerate arc extinction, namely powerful air pressure can scold the moment starting contact that electric arc quickly blows into arc-chutes at short circuit current, thus shortening the arc transfer time, alleviate contact damage, air pressure can will push away on moving contact simultaneously, accelerate moving contact breaking speed, improve current limliting.
(4) in the chopper with Novel arc extinguishing room of the present invention, it is provided with between described first housing and described second housing and the two can be spliced all-in-one-piece splicing construction, described splicing construction includes the first splicing construction being arranged on described first housing and described second case top stitching portion, and it is arranged on described first housing and described second housing, with the second splicing construction on the described other end sidewall contrary by groove；Thus ensureing the stability that spliced described arc extinguishing assembly is specifically good, described first housing, described second housing and described arc extinguishing grid pieces, each other all without having relative motion, remain the state of splicing one.
(5) in the chopper with Novel arc extinguishing room of the present invention, described second splicing construction includes being molded over the dovetail groove on described first housing and/or dove-tail form lug, and is molded over the dove-tail form lug with described dovetail groove and/or the use of dove-tail form tab cooperation on described second housing and/or dovetail groove；Described dovetail groove and described dove-tail form lug are that setting can further such that the first housing and second housing of splicing one can bear multidirectional power and not easily disengage, it is ensured that the stability that described first housing and described second housing are vertically mutually clamped.
(6) in the chopper with Novel arc extinguishing room of the present invention, described first installing hole and described second installing hole are groove, described groove is rectangle, and notch four limit of each described groove is equipped with chamfering, the setting of described chamfering is easy to described arc extinguishing grid pieces and is installed in described first installing hole and described second installing hole.
(7) in the chopper with Novel arc extinguishing room of the present invention, the length direction of described groove all with horizontal plane bevel, namely described arc extinguishing grid pieces becomes skewed and described first housing and described second housing to splice mutually in the present invention, skewed described arc extinguishing grid pieces is easy in the space moved between adjacent two described arc extinguishing grid pieces of electric arc, add the relative contact between electric arc and arc extinguishing grid pieces to amass, thus having further speeded up the extinguishing of electric arc.
(8) in the chopper with Novel arc extinguishing room of the present invention, described short groove is arranged near described static contact conductive plate, and disconnected foot grid described at least two is installed in each described short groove, the setting of multiple described arc extinguishing grid pieces is prevented from the described arc extinguishing grid pieces of bottom and is burnt out by electric arc, and strengthens the arc extinguishing ability of arc-chutes.
(9) in the chopper with Novel arc extinguishing room of the present invention, described insulating boot is set to aerogenesis insulating boot, so after electric arc produces, described insulating boot also is able to the effect gasified at electric arc, the gas atmosphere produced increases further, arc extinction speed further speeds up, and improves the arc extinguishing ability of described arc-chutes further.
Accompanying drawing explanation
In order to make present disclosure be more likely to be clearly understood, below according to specific embodiments of the invention and in conjunction with accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the explosive view of the chopper with Novel arc extinguishing room of the present invention；
Fig. 2 is the assembling figure of the chopper with Novel arc extinguishing room of the present invention；
Fig. 3 is the schematic diagram of static contact conductive plate of the present invention；
Fig. 4 is the front view of the first housing of the present invention；
Fig. 5 is the side view of the first housing of the present invention；
Fig. 6 is the schematic perspective view of the second housing of the present invention；
Fig. 7 is the side view of the second housing of the present invention；
Fig. 8 is the schematic diagram of arc extinguishing grid pieces of the present invention；
Fig. 9 is the schematic diagram of insulating boot of the present invention；
In figure, accompanying drawing labelling is expressed as: 1-the first housing, 11-the first guide groove, 12-dove-tail form lug, 13-the first installing hole, 2-the second housing, 21-the first guide rail, 22-dovetail groove, and 23-the second installing hole, 3-arc extinguishing grid pieces, 31-passes through groove；4-insulating boot, 41-arc extinguishing slit, 42-insertion groove；43-aerogenesis plate；44-stretches into hole；5-moving contact；6-static contact conductive plate；61-static contact；62-" U " type yoke.
Detailed description of the invention
Below with reference to accompanying drawing, use implementation below that the present invention is further elaborated.
Embodiment 1
As illustrated in fig. 1 and 2, a kind of chopper with Novel arc extinguishing room described in the present embodiment, including arc-chutes, it is provided with the static contact conductive plate 6 of the static contact 61 embedding described arc-chutes, and embeds the moving contact 5 can being switched on or switched off with described static contact 61 in described arc-chutes；Being additionally provided with yoke on described static contact conductive plate 6, described yoke forms uncovered holding tank, described moving contact 5 is positioned at the described holding tank of described yoke, as shown in Figure 3.Namely in the present embodiment, being provided with yoke on described static contact conductive plate 6, when circuit is short-circuited, yoke can produce magnetic field, increases magnetic blow-out intensity, accelerates arc extinction；And described moving contact 5 is arranged in the described holding tank of described yoke in the present invention, so produce magnetic field can maximum contact arc, enable electric arc to be off rapidly, in the present embodiment, it is preferable that described yoke is " U " type yoke 62.
As shown in Figure 1, in the present embodiment, described arc-chutes include arc extinguishing assembly, described arc extinguishing assembly includes the first housing 1 forming some first installing holes 13 and the second housing 2 forming some second installing holes 23, and some insertion respectively by two ends in described first installing hole 13 and described second installing hole 23 is arranged on the first housing 1 described in splicing all-in-one-piece and the arc extinguishing grid pieces 3 on described second housing 2, and it is formed through groove 31 between the bipod of described arc extinguishing grid pieces 3, as shown in Figure 8；Wherein, the static contact conductive plate 6 being provided with described static contact 61 is positioned at described by below groove 31, the described of some described arc extinguishing grid pieces 3 forms passage by groove 31 alignment, and described moving contact 5 can move back and forth to be switched on or switched off with the static contact 61 on described static contact conductive plate 6 in described passage.
As depicted in figs. 1 and 2, in the present embodiment, described arc-chutes also include to splice all-in-one-piece insulating boot 4 with described arc extinguishing assembly, described insulating boot 4 has a cavity, one end of described cavity is provided with the aerogenesis plate 43 of two, the arc extinguishing slit 41 being suitable for the traverse of described moving contact 5 is formed between two described aerogenesis plates 43, two described first housings 1 being suitable for splicing one are formed between two described aerogenesis plates 43 and the inwall of described insulation, the insertion groove 42 that the insertion end of the second housing 2 inserts respectively, described insertion end is the described by the one end residing for groove 31 of described arc extinguishing grid pieces 3, what the bottom also molding of described arc extinguishing crack was suitable for that described static contact 61 stretches into stretches into hole 44, as shown in Figure 9.In the present embodiment, described in splicing all-in-one-piece, the outside of arc extinguishing assembly is arranged with insulating boot 4, described insulating boot 4 is possible not only to prevent described first housing 1, there is unexpected dislocation between described second housing 2 and described arc extinguishing grid pieces 3 or depart from, a relative airtight space can also be formed with described arc extinguishing assembly, the closed chamber only with an outlet is become by described arc-chutes, so after aerogenesis plate 43 gasifies, gas can accumulate in together, the gas atmosphere produced is big, high pressure compressed electric arc forms arc column, accelerate arc extinction, namely powerful air pressure can scold the moment starting contact 5 that electric arc quickly blows into arc-chutes at short circuit current, thus shortening the arc transfer time, alleviate contact damage, air pressure can will push away on moving contact 5 simultaneously, accelerate moving contact 5 breaking speed, improve current limliting.
U in the present embodiment, it is preferable that described " " two arms of type yoke 62 are respectively protruding in two described insertion grooves 42 by the bottom of described insulating boot 4.
As shown in FIG. 4,5,6, 7, on the basis of above-described embodiment, it is provided with between described first housing 1 and described second housing 2 and the two can be spliced all-in-one-piece splicing construction, described splicing construction includes the first splicing construction being arranged on described first housing 1 and described second stitching portion, housing 2 top, and it is arranged on described first housing 1 and described second housing 2, with the second splicing construction on the described other end sidewall contrary by groove 31；Thus ensureing the stability that spliced described arc extinguishing assembly is specifically good, described first housing 1, described second housing 2 and described arc extinguishing grid pieces 3, each other all without having relative motion, remain the state of splicing one
As shown in FIG. 4,5,6, 7, described first splicing construction includes the first guide rail 21 and/or the first guide groove 11 being arranged on described first housing 1 top, and arranges and the first guide groove 11 and/or the first guide rail 21 coordinating insertion with described first guide rail 21 and/or the first guide groove 11 on described second housing 2 top.In the present embodiment, it is preferable that described first guide groove 11 is set on described first housing 1, described second housing 2 arranges described first guide rail 21.
As shown in FIG. 4,5,6, 7, described second splicing construction includes being molded over the dovetail groove 22 on described first housing 1 and/or dove-tail form lug 12, and be molded on described second housing 2 with described dovetail groove 22 and/or dove-tail form lug 12 with the use of dove-tail form lug 12 and/or dovetail groove 22.Wherein, it is preferred that the longitudinal section of the sidewall at described dovetail groove 22 and/or dove-tail form lug 12 place is shaped to the angle V-type more than 90 degree on described first housing 1, on described second housing 2, the sidewall longitudinal section at described dove-tail form lug 12 and/or described dovetail groove 22 place is shaped to the angle V-type more than 90 degree, and described dovetail groove 22, described dove-tail form lug 12 are molded on the both sides of V-type sidewall；Described dovetail groove 22 and described dove-tail form lug 12 are that setting can further such that the first housing 1 and second housing 2 of splicing one can bear multidirectional power and not easily disengage, it is ensured that the stability that described first housing 1 and described second housing 2 are vertically mutually clamped.
As shown in Fig. 1-Fig. 7, described first installing hole 13 and described second installing hole 23 are groove, described groove is rectangle, and notch four limit of each described groove is equipped with chamfering, the setting of described chamfering is easy to described arc extinguishing grid pieces 3 and is installed in described first installing hole 13 and described second installing hole 23.
Further, in the present embodiment, the length direction of described groove all with horizontal plane bevel.Namely described arc extinguishing grid pieces 3 one-tenth is skewed in the present embodiment splices with described first housing 1 and described second housing 2 phase, skewed described arc extinguishing grid pieces 3 is easy in the space moved between adjacent two described arc extinguishing grid pieces 3 of electric arc, add the relative contact between electric arc and arc extinguishing grid pieces 3 to amass, thus having further speeded up the extinguishing of electric arc.Wherein, it is preferable that the number of degrees at described oblique angle are set to 24 degree.
On the basis of above-described embodiment, described groove includes elongated slot and short groove, and described arc extinguishing grid pieces 3 includes the long foot grid being arranged in described elongated slot and the short foot grid being arranged in described short groove.Wherein, described short groove is arranged near described static contact conductive plate 6, and is provided with disconnected foot grid described at least two in each described short groove；The setting of multiple described arc extinguishing grid pieces 3 is prevented from the described arc extinguishing grid pieces 3 of bottom and is burnt out by electric arc, and strengthens the arc extinguishing ability of arc-chutes.
Described insulating boot 4 is set to aerogenesis insulating boot 4, so after electric arc produces, described insulating boot 4 also is able to the effect gasified at electric arc, and the gas atmosphere of generation increases further, arc extinction speed further speeds up, and improves the arc extinguishing ability of described arc-chutes further；In the present embodiment, it is preferable that described aerogenesis insulating boot 4 is one-body molded with described aerogenesis plate 43.
Embodiment 2
Convertible embodiment as above-described embodiment, this enforcement and above-described embodiment 1 are different in that: can splice all-in-one-piece insulating boot 4 with described arc extinguishing assembly is be set on described arc extinguishing assembly, the opening of described insulating boot 4 extends to described static contact conductive plate 6 place, also forming the arc extinguishing slit 41 that can be connected with described passage and be suitable for the traverse of described moving contact 5 on the sidewall of described insulating boot 4, the both sides of described arc extinguishing crack are provided with aerogenesis plate 43.
Obviously, above-described embodiment is only for clearly demonstrating example, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the apparent change thus extended out or variation are still among the protection domain of the invention.
Claims (13)
1. a chopper with Novel arc extinguishing room, including arc-chutes, it is provided with the static contact conductive plate (6) of the static contact (61) embedding described arc-chutes, and embeds the moving contact (5) can being switched on or switched off with described static contact (61) in described arc-chutes；
It is characterized in that: be additionally provided with yoke on described static contact conductive plate (6), described yoke forms uncovered holding tank, and described moving contact (5) is positioned at the described holding tank of described yoke；
Described arc-chutes include arc extinguishing assembly, and described arc extinguishing assembly includes
Form first housing (1) of some first installing holes (13)；
Form second housing (2) of some second installing holes (23)；
Some insertion respectively by two ends in described first installing hole (13) and described second installing hole (23) is arranged on the first housing (1) described in splicing all-in-one-piece and the arc extinguishing grid pieces (3) on described second housing (2), is formed through groove (31) between the bipod of described arc extinguishing grid pieces (3)；
Wherein, the static contact conductive plate (6) being provided with described static contact (61) is positioned at described by groove (31) lower section, the described of some described arc extinguishing grid pieces (3) forms passage by groove (31) alignment, and described moving contact (5) can move back and forth to be switched on or switched off with the static contact (61) on described static contact conductive plate (6) in described passage；
Described arc-chutes also include to splice all-in-one-piece insulating boot (4) with described arc extinguishing assembly, described insulating boot (4) has a cavity, one end of described cavity is provided with the aerogenesis plate (43) of two, the arc extinguishing slit (41) being suitable for described moving contact (5) traverse is formed between two described aerogenesis plates (43), two described first housings (1) being suitable for splicing one are formed between the inwall of two described aerogenesis plates (43) and described insulating boot (4), the insertion groove (42) that the insertion end of the second housing (2) inserts respectively, described insertion end is the described by the one end residing for groove (31) of described arc extinguishing grid pieces (3), what the bottom also molding of described arc extinguishing slit (41) was suitable for that described static contact (61) stretches into stretches into hole (44).
2. the chopper with Novel arc extinguishing room according to claim 1, it is characterised in that: described yoke is " U " type yoke (62).
3. the chopper with Novel arc extinguishing room according to claim 1, it is characterized in that: be provided with between described first housing (1) and described second housing (2) and the two can be spliced all-in-one-piece splicing construction, described splicing construction includes the first splicing construction being arranged on described first housing (1) and described second housing (2) stitching portion, top, and it is arranged on described first housing (1) and described second housing (2), with the second splicing construction on the described other end sidewall contrary by groove (31).
4. the chopper with Novel arc extinguishing room according to claim 3, it is characterized in that: described first splicing construction includes being arranged at the first guide rail (21) on described first housing (1) top and/or the first guide groove (11), and is arranged at the first guide groove (11) and/or the first guide rail (21) that insert coordinating with described first guide rail (21) and/or the first guide groove (11) on described second housing (2) top.
5. the chopper with Novel arc extinguishing room according to claim 3, it is characterized in that: described second splicing construction includes being molded over the dovetail groove (22) on described first housing (1) and/or dove-tail form lug (12), and be molded on described second housing (2) with described dovetail groove (22) and/or dove-tail form lug (12) with the use of dove-tail form lug (12) and/or dovetail groove (22).
6. the chopper with Novel arc extinguishing room according to claim 5, it is characterized in that: the longitudinal section of the sidewall at the upper described dovetail groove (22) of described first housing (1) and/or dove-tail form lug (12) place is shaped to the angle V-type more than 90 degree, the sidewall longitudinal section at the upper described dove-tail form lug (12) of described second housing (2) and/or described dovetail groove (22) place is shaped to the angle V-type more than 90 degree, and described dovetail groove (22), described dove-tail form lug (12) are molded on the both sides of V-type sidewall.
7. the chopper with Novel arc extinguishing room according to any one of claim 1-6, it is characterised in that: described first installing hole (13) and described second installing hole (23) are groove.
8. the chopper with Novel arc extinguishing room according to claim 7, it is characterised in that: described groove is rectangle, and notch four limit of each described groove is equipped with chamfering.
9. the chopper with Novel arc extinguishing room according to claim 8, it is characterised in that: the length direction of described groove all with horizontal plane bevel.
10. the chopper with Novel arc extinguishing room according to claim 9, it is characterised in that: the number of degrees at described oblique angle are set to 24 degree.
11. the chopper with Novel arc extinguishing room according to claim 7, it is characterized in that: described groove includes elongated slot and short groove, described arc extinguishing grid pieces (3) includes the long foot grid being arranged in described elongated slot and the short foot grid being arranged in described short groove.
12. the chopper with Novel arc extinguishing room according to claim 11, it is characterised in that: described short groove is arranged near described static contact conductive plate (6), and is provided with short foot grid described at least two in each described short groove.
13. the chopper with Novel arc extinguishing room according to claim 2, it is characterised in that: described insulating boot (4) is set to aerogenesis insulating boot, and described aerogenesis insulating boot (4) is one-body molded with described aerogenesis plate (43).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410396681.8A CN104124117B (en) | 2014-08-13 | 2014-08-13 | A kind of chopper with Novel arc extinguishing room |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410396681.8A CN104124117B (en) | 2014-08-13 | 2014-08-13 | A kind of chopper with Novel arc extinguishing room |
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| CN104124117A CN104124117A (en) | 2014-10-29 |
| CN104124117B true CN104124117B (en) | 2016-07-13 |
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| CN201410396681.8A Active CN104124117B (en) | 2014-08-13 | 2014-08-13 | A kind of chopper with Novel arc extinguishing room |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3038124B1 (en) * | 2015-06-23 | 2018-06-01 | Schneider Electric Industries Sas | ARC EXTINGUISHING DEVICE IN AN ELECTRICAL PROTECTION APPARATUS AND ELECTRICAL PROTECTION APPARATUS COMPRISING SUCH A DEVICE |
| CN105762041B (en) | 2016-05-17 | 2017-09-12 | 浙江人民电器有限公司 | A kind of dc circuit breaker arc extinguishing structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315852A (en) * | 2007-05-29 | 2008-12-03 | 浙江正泰电器股份有限公司 | Contact system of plastic case breaker |
| CN101377989A (en) * | 2007-08-27 | 2009-03-04 | 富士电机机器制御株式会社 | Circuit breaker |
| CN204204777U (en) * | 2014-08-13 | 2015-03-11 | 浙江天正电气股份有限公司 | A kind of circuit breaker with Novel arc extinguishing room |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060035194A (en) * | 2004-10-21 | 2006-04-26 | 엘에스산전 주식회사 | Arc extinguishing apparatus for molded case circuit breaker |
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2014
- 2014-08-13 CN CN201410396681.8A patent/CN104124117B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315852A (en) * | 2007-05-29 | 2008-12-03 | 浙江正泰电器股份有限公司 | Contact system of plastic case breaker |
| CN101377989A (en) * | 2007-08-27 | 2009-03-04 | 富士电机机器制御株式会社 | Circuit breaker |
| CN204204777U (en) * | 2014-08-13 | 2015-03-11 | 浙江天正电气股份有限公司 | A kind of circuit breaker with Novel arc extinguishing room |
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| CN104124117A (en) | 2014-10-29 |
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