CN106783445B - A kind of air flow partition formula arc-extinguishing mechanism of power circuit breaker - Google Patents
A kind of air flow partition formula arc-extinguishing mechanism of power circuit breaker Download PDFInfo
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- CN106783445B CN106783445B CN201611141951.6A CN201611141951A CN106783445B CN 106783445 B CN106783445 B CN 106783445B CN 201611141951 A CN201611141951 A CN 201611141951A CN 106783445 B CN106783445 B CN 106783445B
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- plate
- ratch
- wobble plate
- arc
- wobble
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention belongs to power circuit breaker technical fields, more particularly to a kind of air flow partition formula arc-extinguishing mechanism of power circuit breaker, it includes cylinder, push rod, swing rod, electric arc guide card, electric power fixing end, ratch, piston, fixing axle, wobble plate, fixed plate, outgassing groove, wherein after swing rod and electric power fixing end generate electric arc, electric arc reaches wobble plate upper end；After swing rod drives wobble plate to swing to designated position, gap is kept with fixed plate lower end；Swing rod is entered with the air that piston is compressed in main air passage and side snorkel, and the gas flowing in main air passage generates negative pressure in gap location, and air stream between wobble plate and fixed plate concave surface is made to enter in main channel；Gas is flowed upwards out by air flow chamber from outgassing groove in the snorkel of side, and electric arc is divided into three sections, and the electric arc being segmented is flowed into air into main channel, and the energy accumulation of electric arc is made to reduce, until arc extinction.The present invention blocks electric arc using air-flow, and by air-flow pilot arc, can reach preferable arc quenching effect.
Description
Technical field
The invention belongs to power circuit breaker technical field more particularly to a kind of air flow partition formula arc extinguishing machines of power circuit breaker
Structure.
Background technology
Power circuit breaker is the switch that a kind of short circuit played in electric power to circuit, overload, electric leakage play a protective role,
Can short circuit, overload and electric leakage occur when play the role of cut off circuit, circuit in connection or closing course
The electric arc of high temperature high fever is will produce between moving contact and static contact, if electric arc rapidly can not export and extinguish, it will ablation
Contact point between two contacts, and larger destruction is caused to the shell of power circuit breaker, it is often more important that electric arc can make electricity
Road off delay causes irremediable loss；201510362765.4,201610144458.3 pairs of short-circuiting devices of Patent No.
Structure is protected, wherein including arc-extinguishing mechanism, arc-extinguishing mechanism is very important for electric power short-circuiting device.For into
One step increases the extinguishing to the electric arc of sudden high currents and acts on, and it is necessary to design more structurally sound arc-extinguishing mechanism.
The present invention design a kind of air flow partition formula arc-extinguishing mechanism of power circuit breaker solve the problems, such as it is as above.
Invention content
To solve drawbacks described above in the prior art, the present invention discloses a kind of air flow partition formula arc extinguishing machine of power circuit breaker
Structure, it is realized using following technical scheme.
A kind of air flow partition formula arc-extinguishing mechanism of power circuit breaker, it is characterised in that：After it includes outlet transverse tube, cylinder
Lid, ratch cross bar, cross bar guide rail, push rod, swing rod, ratch spring, cross bar push plate, electric arc guide card, electric power fixing end, goes out cylinder
Gas vertical tube, collapsible tube, air inlet square tube, the first support plate, side plate, ratch guide rail, ratch, ratch montant, the second support plate, piston bullet
Spring, riser, fixing axle, wobble plate, fixed plate, side air inlet pipe, side snorkel, wobble plate pivoted housing, pivoted housing outgassing groove, ring gear, is consolidated piston
Dead axle outgassing groove, main air passage, wherein push rod one end are mounted on piston side, and the other end is contacted with swing rod, and piston is mounted on gas
In cylinder, piston spring is installed in piston and cylinder bottom space, outlet transverse tube be mounted on cylinder bottom and with cylinder interior phase
Logical, cylinder is installed on the supporting plate, and cross bar guide rail is mounted on support plate side, and ratch cross bar is mounted on cross bar guide rail, cross bar
Push plate is mounted on swing rod side, and ratch cross bar one end is equipped with top plate, ratch spring is equipped between top plate and cross bar guide rail, pushes up
Plate is contacted with cross bar push plate, and ratch montant is mounted on ratch cross bar, and ratch is mounted on ratch montant, and ratch is led by ratch
Rail is mounted on side plate, has tooth on the upside of ratch；Three fixing axles are equidistantly mounted on by respective one end on side plate successively,
There is upward fixing axle outgassing groove in fixing axle, wobble plate pivoted housing is installed in every fixing axle, there is pivoted housing on wobble plate pivoted housing
Wobble plate pivoted housing is stretched out in outgassing groove, one end that fixing axle is connect with side plate, and the other end is located inside wobble plate pivoted housing, wobble plate pivoted housing one end
Ring gear is installed, pivoted housing outgassing groove coordinates with fixing axle outgassing groove, and wobble plate is mounted on wobble plate pivoted housing, and wobble plate is in ratch and ring gear
It moves with ratch under engagement and is rotated in fixing axle, wobble plate top rotation circular arc is equipped with matched arc and fixes
Plate, wobble plate top and dead plate upper end intimate contact when wobble plate level, pivoted housing outgassing groove interlocks with fixing axle outgassing groove not to be had
Communicate, wobble plate rotates by a certain angle reach operating position after, wobble plate top and fixed plate bottom end have gap, at this time pivoted housing outlet
Slot is communicated with fixing axle outgassing groove；First support plate is installed on rear side of first wobble plate pivoted housing, riser is installed on the downside of the first support plate,
First wobble plate, riser, side plate and the laminate of downside installation form first air flow chamber, second wobble plate, the fixed plate of rear side
Convex surface, side plate and downside installation laminate form second air flow chamber, third wobble plate, the fixed plate convex surface of rear side, side plate and
The laminate of downside installation forms third air flow chamber, and air-flow is flowed out by fixing axle outgassing groove；Bottom plate, bottom are installed on the downside of laminate
Form main air passage between plate, side plate and laminate, main air passage side is equipped with side snorkel, side snorkel by three sides into
Tracheae is communicated with three air flow chambers, and main air passage and side snorkel are connected with air inlet square tube jointly, and air inlet square tube passes through collapsible tube
It is connected on outlet vertical tube, outlet vertical tube is connected on outlet transverse tube；Second support plate is installed on third dead plate upper end and side plate,
Electric arc guide card one end is mounted on the second support plate, and the other end is mounted in electric power fixing end.
Above-mentioned arc-extinguishing mechanism is mounted in the shell of power circuit breaker, the shell and support plate of the both sides of power circuit breaker,
Three wobble plates and electric arc guide card form arc channel；Support plate, electric arc guide card, electric power fixing end, swing rod, side plate are installed in electricity
On the shell of power circuit breaker both sides；Swing rod connects zero line, and electric power fixing end connects zero line side, and swing rod fixes end in contact with electric power
Whether control the folding of power circuit breaker.
A kind of power circuit breaker with said flow partition arc-extinguishing mechanism, it is characterised in that：In power circuit breaker shell
Short circuit protection component and overload protection element are also equipped with other than arc-extinguishing mechanism, and by controlling swing rod and electric power fixing end
Folding control power circuit breaker electric power folding.
Relative to traditional power circuit breaker technology, in of the invention, the breaker with this electric arc mechanism can also have
The other structures such as structure of short circuit or overload protecting circuit as conventional circuit breaker.For the arc-extinguishing mechanism in invention,
Arc-extinguishing mechanism is mounted in the shell of power circuit breaker, and support plate, electric arc guide card, fixing end, swing rod, side plate are installed in electric power
On the shell of breaker both sides；The shell of the both sides of power circuit breaker and support plate, the wobble plate of three horizontality and electric arc are led
Piece forms arc channel；After swing rod and fixing end, which are detached from, generates high-temperature electric arc, electric arc is under itself high temperature driven along electric arc
Guide card, the second support plate move to above horizontal positioned wobble plate, and reach at the first support plate, and swing rod is pushed away by cross bar push plate at this time
Moving teeth bar cross bar is moved horizontally along cross bar guide rail, under ratch montant gearing, drives ratch horizontal in ratch guide rail
Mobile, the movement of ratch drives wobble plate pivoted housing to be swung around fixing axle by ring gear, and wobble plate pivoted housing drives wobble plate to surround fixing axle
It swings, swing rod pendulum end will do arcuate movement, so fixed plate is designed camber, coordinate with wobble plate, reduce wobble plate and swung
After wobble plate moves to designated position, certain gap is kept with fixed plate lower end for gap in journey between wobble plate and fixed plate, with
Air is set to flow out；At the same time swing rod is by push rod with the air in piston compression cylinder, and air is by outlet transverse tube, outlet
Vertical tube, collapsible tube, air inlet square tube enter in main air passage and side snorkel, and the gas flowing in main air passage have passed through wobble plate
With fixed plate lower end there are gap, generate negative pressure in gap location, the space air between wobble plate and fixed plate concave surface made to pass through
Gap is flowed into main channel；Gas in the snorkel of side enters the gas on fixed plate convex surface and wobble plate composition by side air inlet pipe
It flows in chamber, and is flowed upwards out from the pivoted housing outgassing groove and fixing axle outgassing groove that wobble plate pivoted housing is communicated with fixing axle, by what is come
Electric arc is segmented into three parts by the percussion of air-flow, and the electric arc being segmented is as the flowing of air is from wobble plate and fixed plate bottom
The gap at end enters in main channel, and during which also having the air flowed to contact with wobble plate, fixed plate makes the energy accumulation of electric arc subtract
It is small, until arc extinction.After swing rod is struck again to fixing end, ratch cross bar is under the effect of ratch spring as swing rod is transported
It is dynamic, and sliding tooth annulus movable pendulum sheet reset, at horizontality, another aspect push rod is transported under piston spring effect also with push rod
It moves and moves, prepare the arc extinguishing movement when disengaging of push rod and fixing end next time.The present invention blocks electric arc using air-flow, and leads to
Air-flow pilot arc is crossed, preferable arc quenching effect can be reached.
Description of the drawings
Fig. 1 is global facility distribution schematic diagram.
Fig. 2 is ratch transmission schematic diagram.
Fig. 3 is global facility distribution side view.
Fig. 4 is wobble plate motion structure schematic diagram.
Fig. 5 is wobble plate structural schematic diagram.
Fig. 6 is fixed axle structure schematic diagram.
Fig. 7 is airflow channel structure schematic diagram.
Fig. 8 is arc-extinguishing mechanism operation schematic diagram.
Figure label title：1, outlet transverse tube, 2, cylinder back cover, 3, cylinder, 4, ratch cross bar, 5, cross bar guide rail, 6, push away
Bar, 7, swing rod, 8, ratch spring, 9, cross bar push plate, 10, electric arc guide card, 11, electric power fixing end, 12, outlet vertical tube, 13, shrink
Pipe, 14, air inlet square tube, the 15, first support plate, 16, side plate, 17, ratch guide rail, 18, ratch, 19, ratch montant, 20, second
Plate, 21, piston spring, 22, piston, 23, riser, 24, fixing axle, 25, wobble plate, 26, fixed plate, 27, side air inlet pipe, 28, side
Snorkel, 29, wobble plate pivoted housing, 30, pivoted housing outgassing groove, 31, ring gear, 32, fixing axle outgassing groove, 33, main air passage, 34, laminate,
35, support plate, 36, top plate, 37, bottom plate.
Specific implementation mode
As shown in Fig. 1,3,4, it includes outlet transverse tube 1, cylinder back cover 2, cylinder 3, ratch cross bar 4, cross bar guide rail 5, pushes away
Bar 6, swing rod 7, ratch spring 8, cross bar push plate 9, electric arc guide card 10, electric power fixing end 11, outlet vertical tube 12, collapsible tube 13, into
Gas square tube 14, the first support plate 15, side plate 16, ratch guide rail 17, ratch 18, ratch montant 19, the second support plate 20, piston spring
21, piston 22, riser 23, fixing axle 24, wobble plate 25, fixed plate 26, side air inlet pipe 27, side snorkel 28, wobble plate pivoted housing 29, turn
Outgassing groove 30, ring gear 31, fixing axle outgassing groove 32, main air passage 33 are covered, as shown in Figure 1,3, wherein 6 one end of push rod, which is mounted on, lives
22 sides are filled in, the other end is contacted with swing rod 7, and piston 22 is mounted in cylinder 3, is equipped in piston 22 and 3 bottom space of cylinder
Piston spring 21, outlet transverse tube 1 be mounted on 3 bottom of cylinder and with communicated inside cylinder 3, cylinder 3 is mounted in support plate 35, horizontal
Rod guide 5 is mounted on 35 side of support plate, and as shown in Figure 1, 2, ratch cross bar 4 is mounted on cross bar guide rail 5, and cross bar push plate 9 is pacified
Mounted in 7 side of swing rod, 4 one end of ratch cross bar is equipped with top plate 36, and ratch spring 8 is equipped between top plate 36 and cross bar guide rail 5,
Top plate 36 is contacted with cross bar push plate 9, and ratch montant 19 is mounted on ratch cross bar 4, and ratch 18 is mounted on ratch montant 19, tooth
Bar 18 is mounted on by ratch guide rail 17 on side plate 16, and 18 upside of ratch has tooth；Three fixing axles 24 equidistantly pass through successively
Respective one end is mounted on side plate 16, as shown in fig. 6, having upward fixing axle outgassing groove 32 in fixing axle 24, every solid
Wobble plate pivoted housing 29 is installed, as shown in figure 5, having pivoted housing outgassing groove 30, fixing axle 24 and side on wobble plate pivoted housing 29 on dead axle 24
Wobble plate pivoted housing 29 is stretched out in one end that plate 16 connects, and the other end is located inside wobble plate pivoted housing 29, and the installation of 29 one end of wobble plate pivoted housing is with teeth
Ring 31, pivoted housing outgassing groove 30 coordinate with fixing axle outgassing groove 32, and wobble plate 25 is mounted on wobble plate pivoted housing 29, and wobble plate 25 is in ratch 18
It is engaged down with ring gear 31 and moves with ratch 18 and rotated in fixing axle 24, as shown in Figure 1,25 top of wobble plate rotation circular arc peace
Equipped with matched arc fixed plate 26,25 top of wobble plate and 26 upper end intimate contact of fixed plate, turn when wobble plate 25 is horizontal
Set outgassing groove 30 do not communicated staggeredly with fixing axle outgassing groove 32, wobble plate 25 rotates by a certain angle reach operating position after, wobble plate
25 tops have gap with 26 bottom end of fixed plate, and pivoted housing outgassing groove 30 is communicated with fixing axle outgassing groove 32 at this time；First wobble plate
29 rear side of pivoted housing is equipped with the first support plate 15, and 15 downside of the first support plate is equipped with riser 23, first wobble plate 25, riser 23, side
Plate 16 and the laminate 34 of downside installation form first air flow chamber, second wobble plate 25,26 convex surface of the fixed plate of rear side, side plate 16
Second air flow chamber is formed with the laminate 34 of downside installation, third wobble plate 25,26 convex surface of the fixed plate of rear side, side plate 16 are under
The laminate 34 of side installation forms third air flow chamber, and air-flow is flowed out by fixing axle outgassing groove 32；34 downside of laminate is equipped with bottom
Plate 37 forms main air passage 33 between bottom plate 37, side plate 16 and laminate 34,33 side of main air passage is equipped with side snorkel 28,
Side snorkel 28 is communicated by three side air inlet pipe 27 with three air flow chambers, and main air passage 33 and side snorkel 28 are connected with jointly
Air inlet square tube 14, air inlet square tube 14 are connected to by collapsible tube 13 on outlet vertical tube 12, and outlet vertical tube 12 is connected to outlet transverse tube 1
On；Second support plate 20 is installed on third dead plate upper end and side plate 16, and 10 one end of electric arc guide card is mounted on the second support plate 20, separately
One end is mounted in electric power fixing end 11.
Above-mentioned arc-extinguishing mechanism is mounted in the shell of power circuit breaker, the shell and support plate of the both sides of power circuit breaker
35, three wobble plates 25 and electric arc guide card 10 form arc channel；Support plate 35, electric arc guide card 10, electric power fixing end 11, swing rod 7,
Side plate 16 is installed on the shell of power circuit breaker both sides；Swing rod 7 connects zero line, and electric power fixing end 11 connects zero line side,
Swing rod 7 controls the folding of power circuit breaker whether contact with electric power fixing end 11.
A kind of power circuit breaker with said flow partition arc-extinguishing mechanism, it is characterised in that：In power circuit breaker shell
It is also equipped with short circuit protection component and overload protection element other than arc-extinguishing mechanism, and is fixed with electric power by controlling swing rod 7
The folding of the folding control power circuit breaker electric power at end 11.
In conclusion in the present invention, the breaker with this electric arc mechanism can also be with as conventional circuit breaker
The other structures such as structure of short circuit or overload protecting circuit.For the arc-extinguishing mechanism in invention, arc-extinguishing mechanism is mounted on electric power
In the shell of breaker, support plate 35, electric arc guide card 10, fixing end, swing rod 7, side plate 16 are installed in power circuit breaker both sides
Shell on；10 groups of the wobble plate 25 and electric arc guide card of the shell and 35, three horizontality of support plate of the both sides of power circuit breaker
At arc channel；As shown in a in Fig. 8, when swing rod 7 and fixing end are detached from after generating high-temperature electric arc, electric arc drives in itself high temperature
Horizontal positioned 25 top of wobble plate is moved under dynamic along electric arc guide card 10, the second support plate 20, and is reached at the first support plate 15, this
When swing rod 7 push ratch cross bar 4 to be moved horizontally along cross bar guide rail 5 by cross bar push plate 9, in 19 gearing of ratch montant
Under, drive ratch 18 to be moved horizontally in ratch guide rail 17, the movement of ratch 18 drives wobble plate pivoted housing 29 to surround by ring gear 31
Fixing axle 24 is swung, and wobble plate pivoted housing 29 drives wobble plate 25 to be swung around fixing axle 24, and swing rod 7, which puts end, will do arcuate movement, so
Fixed plate 26 is designed into camber, coordinates with wobble plate 25, reduces in 25 swing process of wobble plate between wobble plate 25 and fixed plate 26
Gap, after wobble plate 25 moves to designated position, certain gap is kept with 26 lower end of fixed plate so that air flow out；With this
Swing rod 7 is by push rod 6 with the air in 22 compression cylinder 3 of piston simultaneously, and air is by outlet transverse tube 1, outlet vertical tube 12, receipts
The draw 13, air inlet square tube 14 enter in main air passage 33 and side snorkel 28, and the gas flowing in main air passage 33 have passed through
Wobble plate 25 and 26 lower end of fixed plate there are gap, generate negative pressure in gap location, make between 26 concave surface of wobble plate 25 and fixed plate
Space air is flowed by gap in main channel；Gas in side snorkel 28 enters fixed plate 26 by side air inlet pipe 27
In the air flow chamber that convex surface is formed with wobble plate 25, and the pivoted housing outgassing groove 30 and fixing axle communicated from wobble plate pivoted housing 29 with fixing axle 24
It is flowed upwards out in outgassing groove 32, the electric arc to come is segmented into three parts by the percussion of air-flow, as shown in the b in Fig. 8,
The electric arc being segmented is entered from the gap of wobble plate 25 Yu 26 bottom end of fixed plate in main channel with the flowing of air, during which and is put
Plate 25, fixed plate 26 also have the air flowed contact that the energy accumulation of electric arc is made to reduce, until arc extinction.When swing rod 7 again
Be struck to after fixing end, ratch cross bar 4 ratch spring 8 effect under with swing rod 7 move, and drive ring gear 31 drive wobble plate
25 are reset to horizontality, and another aspect push rod 6 is moved also with push rod 6 under the effect of piston spring 21 and moved, under preparation
Arc extinguishing when push rod 6 and the disengaging of fixing end moves.The present invention blocks electric arc using air-flow, and guides electricity by air-flow
Arc can reach preferable arc quenching effect.
Claims (2)
1. a kind of air flow partition formula arc-extinguishing mechanism of power circuit breaker, it is characterised in that：It include outlet transverse tube, cylinder back cover,
Cylinder, ratch cross bar, cross bar guide rail, push rod, swing rod, ratch spring, cross bar push plate, electric arc guide card, electric power fixing end, outlet are perpendicular
Pipe, collapsible tube, air inlet square tube, the first support plate, side plate, ratch guide rail, ratch, ratch montant, the second support plate, piston spring, work
Plug, riser, fixing axle, wobble plate, fixed plate, side air inlet pipe, side snorkel, wobble plate pivoted housing, pivoted housing outgassing groove, ring gear, fixing axle
Outgassing groove, main air passage, wherein push rod one end are mounted on piston side, and the other end is contacted with swing rod, and piston is mounted in cylinder,
Piston spring is installed, outlet transverse tube is mounted on cylinder bottom and is communicated with cylinder interior, gas in piston and cylinder bottom space
Cylinder is installed on the supporting plate, and cross bar guide rail is mounted on support plate side, and ratch cross bar is mounted on cross bar guide rail, cross bar push plate peace
Mounted in swing rod side, ratch cross bar one end is equipped with top plate, and ratch spring, top plate and cross are equipped between top plate and cross bar guide rail
Bar push plate contacts, and ratch montant is mounted on ratch cross bar, and ratch is mounted on ratch montant, and ratch is installed by ratch guide rail
On side plate, there is tooth on the upside of ratch；Three fixing axles are equidistantly mounted on by respective one end on side plate successively, fixing axle
It is upper that there is upward fixing axle outgassing groove, wobble plate pivoted housing is installed in every fixing axle, there is pivoted housing outgassing groove on wobble plate pivoted housing,
Wobble plate pivoted housing is stretched out in one end that fixing axle is connect with side plate, and the other end is located inside wobble plate pivoted housing, and wobble plate pivoted housing one end is equipped with
Ring gear, pivoted housing outgassing groove coordinate with fixing axle outgassing groove, and wobble plate is mounted on wobble plate pivoted housing, and wobble plate is in the case where ratch is engaged with ring gear
It moves with ratch and is rotated in fixing axle, wobble plate top rotation circular arc is equipped with matched arc fixed plate, wobble plate
Wobble plate top and dead plate upper end intimate contact, pivoted housing outgassing groove do not communicate staggeredly with fixing axle outgassing groove when horizontal, put
Plate rotates by a certain angle reach operating position after, wobble plate top and fixed plate bottom end have gap, at this time pivoted housing outgassing groove with it is solid
Dead axle outgassing groove communicates；
Corresponding three wobble plates of three fixing axles are respectively first wobble plate, second wobble plate, third wobble plate, first pendulum
Plate, second wobble plate, three fixed plates corresponding to third wobble plate are respectively that the first fixed plate, the second fixed plate, third are solid
Fixed board；First support plate is installed on rear side of first wobble plate pivoted housing, riser is installed on the downside of the first support plate, first wobble plate, riser,
Side plate and the laminate of downside installation form first air flow chamber, and second wobble plate, the first fixed plate convex surface of rear side, side plate are under
The laminate of side installation forms second air flow chamber, what third wobble plate, the second fixed plate convex surface of rear side, side plate and downside were installed
Laminate forms third air flow chamber, and air-flow is flowed out by fixing axle outgassing groove；Bottom plate is installed on the downside of laminate, bottom plate, side plate with
Main air passage is formed between laminate, main air passage side is equipped with side snorkel, and side snorkel passes through three side air inlet pipe and three
A air flow chamber communicates, and main air passage and side snorkel are connected with air inlet square tube jointly, and air inlet square tube is connected to out by collapsible tube
On gas vertical tube, outlet vertical tube is connected on outlet transverse tube；Second support plate is mounted in third dead plate upper end and side plate, and electric arc is led
Piece one end is mounted on the second support plate, and the other end is mounted in electric power fixing end；
Above-mentioned arc-extinguishing mechanism is mounted in the shell of power circuit breaker, the shells of the both sides of power circuit breaker and support plate, three
Wobble plate and electric arc guide card form arc channel；It is disconnected that support plate, electric arc guide card, electric power fixing end, swing rod, side plate are installed in electric power
On the shell of road device both sides；Swing rod connects zero line, and electric power fixing end connects zero line side, whether swing rod fixes end in contact with electric power
Control the folding of power circuit breaker.
2. a kind of electric power open circuit with the air flow partition formula arc-extinguishing mechanism of a kind of power circuit breaker according to claim 1
Device, it is characterised in that：Short circuit protection component and overload protection member are also equipped in power circuit breaker shell other than arc-extinguishing mechanism
Part, and the folding by controlling swing rod and the folding control power circuit breaker electric power of electric power fixing end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611141951.6A CN106783445B (en) | 2016-12-12 | 2016-12-12 | A kind of air flow partition formula arc-extinguishing mechanism of power circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611141951.6A CN106783445B (en) | 2016-12-12 | 2016-12-12 | A kind of air flow partition formula arc-extinguishing mechanism of power circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN106783445A CN106783445A (en) | 2017-05-31 |
| CN106783445B true CN106783445B (en) | 2018-08-24 |
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| CN201611141951.6A Active CN106783445B (en) | 2016-12-12 | 2016-12-12 | A kind of air flow partition formula arc-extinguishing mechanism of power circuit breaker |
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| CN107910217B (en) * | 2017-11-13 | 2019-05-24 | 青岛锦绣铁科轨道设备有限公司 | A kind of power circuit breaker arc-extinguishing mechanism based on gear transmitting |
| CN108122720A (en) * | 2017-12-20 | 2018-06-05 | 张正宇 | A kind of spiral arc-extinguishing mechanism of power circuit breaker |
| CN108777246B (en) * | 2018-06-27 | 2020-07-07 | 温州隆威电气有限公司 | Circuit breaker |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2634552A1 (en) * | 1976-07-31 | 1978-02-02 | Bbc Brown Boveri & Cie | Current limiting HV switch - has pulse chamber with vessel for quenching gas operating movable contact and driving arc to quenching chamber |
| CN2344860Y (en) * | 1998-07-01 | 1999-10-20 | 西安交通大学 | Grid chip arc-estinguishing chamber with V shape end |
| CN1234145C (en) * | 2004-04-19 | 2005-12-28 | 西安交通大学 | Low voltage current-limiting breaker based on forced air explusion |
| US7199686B1 (en) * | 2005-10-03 | 2007-04-03 | Jaker Electric Co., Ltd. | Oil-immersed and high-pressure tripping switch structure |
| CN100517538C (en) * | 2006-12-22 | 2009-07-22 | 西安交通大学 | Current-limiting arc-control device of medium-voltage large current DC circuit breaker |
| CN202189745U (en) * | 2011-08-04 | 2012-04-11 | 上海电科电器科技有限公司 | Airflow control mechanism for equipment circuit breaker |
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2016
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