CN106104742B - Breaker - Google Patents
Breaker Download PDFInfo
- Publication number
- CN106104742B CN106104742B CN201580013738.4A CN201580013738A CN106104742B CN 106104742 B CN106104742 B CN 106104742B CN 201580013738 A CN201580013738 A CN 201580013738A CN 106104742 B CN106104742 B CN 106104742B
- Authority
- CN
- China
- Prior art keywords
- rib
- block
- travel section
- movable
- breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/302—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
- 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
-
- 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
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/44—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
Landscapes
- Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
Breaker has：Fixing terminal with fixed contact；Movable terminal with travelling contact, by on-off action, travelling contact and fixed contact touch from；Drawer at movable side travel section；Affixed side commutation portion；Grid；Two side plates；And two rib blocks.Drawer at movable side travel section, is electrically connected with movable terminal.Affixed side commutation portion, is electrically connected with fixing terminal.Grid is arranged between drawer at movable side travel section and affixed side commutation portion.Two rib blocks are respectively formed with the multiple ribs extended from fixed contact to grid.Multiple ribs that two rib blocks are set as a rib block are opposite with multiple ribs of another rib block.Two side plates clip two rib blocks.Two side plates are installed in a manner of it can assemble and disassemble respectively there are two a rib rib block in the block.
Description
Technical field
The present invention relates to breakers.
Background technology
Usually in the house wiring of family, in order to prevent due to the damage of the house wiring of overcurrent or and house wiring
The damage of the electrical equipment of connection from source power supply between house wiring, has laid breaker.Breaker has opening and closing circuit
Contact, when overcurrent flows through breaker, contact open, cut off circuit.In breaker, by being manually operated or detecting electricity
Stream, when contact is opened, electric arc is generated between the contact.Breaker has the extinguishing arc portion for rapid arc extinction (for example, patent
Document 1 to 5).
(existing technical literature)
(patent document)
Patent document 1: Japanese Patent Publication 62-58094 bulletins
Patent document 2: Japanese Unexamined Patent Publication 2002-352692 bulletins
Patent document 3: Japanese Unexamined Patent Application 56-69744 bulletins
Patent document 4: Japanese Unexamined Patent Application 60-230321 bulletins
Patent document 5: Japanese Unexamined Patent Publication 03-266328 bulletins
Invention content
The breaker of the present invention has：Fixing terminal with fixed contact；Movable terminal with travelling contact, passes through
On-off action, travelling contact and fixed contact touch from；Drawer at movable side travel section；Affixed side commutation portion；Grid；Two side plates；Two
Rib block.Drawer at movable side travel section, is electrically connected with movable terminal.Affixed side commutation portion, is electrically connected with fixing terminal.Grid is arranged on
Between drawer at movable side travel section and affixed side commutation portion.Two rib blocks, be respectively formed with extend from fixed contact to grid it is multiple
Rib.And the multiple ribs for being set as a rib block are opposite with multiple ribs of another rib block.Two side plates clip two rib blocks.
Two side plates are installed in a manner of it can assemble and disassemble respectively there are two a rib rib block in the block.
By above composition, in breaker of the present invention, the rising of arc voltage can be promoted, and improve electricity
The arc current limitation function of arc current.
Description of the drawings
Fig. 1 is the inner side figure for the breaker that embodiments of the present invention 1 are related to.
Fig. 2A is the oblique view of the rib block of the breaker of Fig. 1.
Fig. 2 B are to represent to remove the inner side figure of the state of rib block in the breaker of Fig. 1.
Fig. 3 A are that the electric arc for the breaker for representing Fig. 1 is moved to the state between affixed side travel section and drawer at movable side travel section
Figure.
Fig. 3 B are that the electric arc for the breaker for representing Fig. 1 is moved to the state between affixed side commutation portion and drawer at movable side travel section
Figure.
Fig. 4 is the definition graph of the time passage of the arc current and arc voltage for the breaker for representing Fig. 1.
Fig. 5 is the oblique view for representing the rib block in the breaker that embodiments of the present invention 2 are related to.
Fig. 6 is the oblique view for representing the rib block in the breaker that embodiments of the present invention 3 are related to.
Fig. 7 is the inner side figure of previous breaker.
Fig. 8 A are that the electric arc for the breaker for representing Fig. 7 is moved to the state between affixed side travel section and drawer at movable side travel section
Figure.
Fig. 8 B are that the electric arc for the breaker for representing Fig. 7 is moved to the state between affixed side commutation portion and drawer at movable side travel section
Figure.
Fig. 9 is the figure of the time passage of the arc current and arc voltage for the breaker for representing Fig. 7.
Specific embodiment
Before embodiments of the present invention are illustrated, first illustrate the subject in the breaker 200 of conventional art.
Fig. 7 is the inner side figure of breaker 200, and Fig. 8 A are to represent that the electric arc of breaker 200 is moved to affixed side traveling
The figure of state between portion 116 and drawer at movable side travel section 118, Fig. 8 B are to represent that the electric arc of breaker 200 is moved to affixed side and changes
The figure of state between portion 119 and drawer at movable side travel section 118.In addition, Fig. 7, Fig. 8 A, Fig. 8 B are fixed contacts 113 and can
The separated state of movable contact 115.
When travelling contact 115 is separated with fixed contact 113, electric arc is generated between fixed contact 113 and travelling contact 115.
With the generation of electric arc, high-temperature gas is generated.High-temperature gas becomes high temperature gas flow F, by the multiple ribs for being arranged on side plate 122
123, it is guided from generating region to grid 117.Grid 117 is made of the multiple iron plates being laminated, and has the function of to induce electric arc.It is logical
The induction of grid 117 is crossed, electric arc is moved between the front end 116a of affixed side travel section 116 and drawer at movable side travel section 118, becomes
Electric arc A1, the affixed side travel section 116 are electrically connected with fixed contact 113.When high-temperature gas is moved to grid 117, electric arc A1 quilts
Cooling, the circuit of electric arc A1 become high resistance.Therefore, electric arc A1 is moved to drawer at movable side travel section 118 and affixed side commutation portion
Between 119, become electric arc A2, which is electrically connected with affixed side travel section 116.As a result, due to electric arc electricity
The rising of pressure, arc current are limited, so as to which electric arc A2 is eliminated.
In breaker 200, multiple ribs 123 are set at substantially equal intervals, and multiple rib 123 is from fixed contact 113 to grid
117 extensions, and multiple rib 123 is bending.The rib front end 123b of rib 123, extends to grid 117.But it is provided with
The region of affixed side travel section 116 is not provided with rib 123.That is, it is not formed from the middle part 117M of grid 117 to affixed side
The rib 123 of the range extension in commutation portion 119 (top of grid 117).So as to, as shown in Figure 8 A, the majority of high temperature gas flow F,
By rib 123, the range of drawer at movable side travel section 118 (lower part of grid 117) is directed to from the middle part 117M of grid 117.
Therefore, electric arc A1, it is difficult to affixed side commutation portion 119 is moved to from affixed side travel section 116, easily in movable skidding
It is detained between portion 118 and affixed side travel section 116.
Fig. 9 represents the time passage in the arc voltage and arc current of breaker 200.Due to the delay of electric arc A1,
At the generation initial stage (3msec~4msec) of electric arc, the rising of arc voltage Va2 is obstructed, so the arc current of arc current Ia2
Limitation function declines.That is, the current value Δ Ia2 of reduction is possible to insufficient after arc current Ia2 to peaking.
On the other hand, in the breaker for not needing to high arc current limitation function, it is possible to not need to rib 123.
Hereinafter, the breaker that the scheme that the present invention is described with reference to the attached figures is related to.In addition, embodiment party described below
Formula is all to represent a preferred specific example.Therefore, in the inscape of following embodiment, for showing the present invention
Upper concept independent technique scheme in the inscape do not recorded, illustrate as arbitrary inscape.From
And numerical value, shape, material, inscape, the installation position of inscape and the connection shape shown in following embodiment
Formula, process, sequence of process etc. are all an examples, and purport not limits the present invention.
Also, each figure is ideograph, is not rigorous diagram.In addition, for structure substantially the same in each figure
It makes and assigns identical symbol, repeated explanation is omitted or simplified.
(embodiment 1)
Hereinafter, illustrate breaker 100 that embodiments of the present invention 1 are related to referring to figs. 1 to Fig. 4.Fig. 1 is breaker
100 inner side figure.
Fig. 2A is the oblique view for the rib block 23 for representing breaker 100, Fig. 2 B be represent breaker 100 remove rib block 23
The inner side figure of state.Fig. 3 A are to represent that the electric arc of breaker 100 is moved to affixed side travel section 16 and drawer at movable side travel section
The figure of state between 18.Fig. 3 B are to represent that the electric arc of breaker 100 is moved to affixed side commutation portion 19 and drawer at movable side travel section
The figure of state between 18.Fig. 4 is the definition graph of the time passage of the arc current and arc voltage that represent breaker 100.Separately
Outside, it is all state that fixed contact 13 is separated with travelling contact 15 that Fig. 1, Fig. 2 B, Fig. 3 A, Fig. 3 B, which are,.
Breaker 100 has fixing terminal 12 and movable terminal 14, and fixing terminal 12 has fixed contact 13, movably
Terminal 14 has travelling contact 15, by on-off action, travelling contact 15 and fixed contact 13 touch from.Fixed contact 13 with it is movable
Contact 15 is set in an opposing fashion.Fixing terminal 12 is fixed on housing 11, and movable terminal 14 is rotated relative to housing 11,
It is supported by housing 11.Fixing terminal 12 and movable terminal 14 are formed by being processed as the metal of plate.
Fixing terminal 12 and movable terminal 14 are in the wiring from source power supply.It is fixed since movable terminal 14 rotates
When contact 13 is separated with travelling contact 15, the circuit from source power supply is cut off.
In breaker 100, affixed side travel section 16 is bent to the direction far from movable terminal 14, is stretched from fixing terminal 12
Go out.Fixing terminal 12 and affixed side travel section 16 with fixed contact 13 are sheet metals, are integrally formed, and be electrically connected
It connects.
Breaker 100 also has extinguishing arc portion.Extinguishing arc portion includes：Grid 17, drawer at movable side travel section 18, affixed side commutation portion
19th, two side plates 22.Grid 17 is formed by the way that multiple iron plate 17a are laminated across gap 17b.Drawer at movable side travel section 18, setting
In the one end of the stacking direction of grid 17.Affixed side travel section 16 is arranged on the another side of the stacking direction of grid 17.Two
A side plate 22, clips the space between affixed side travel section 16 and drawer at movable side travel section 18 and sets.Grid 17 respectively with movably
There is gap between side travel section 18 and affixed side commutation portion 19.
Drawer at movable side travel section 18 is electrically connected with movable terminal 14.Affixed side commutation portion 19 is electrically connected with fixing terminal 12.Grid
Lattice 17 are arranged between drawer at movable side travel section 18 and affixed side commutation portion 19.The front end 16a of affixed side travel section 16 is arranged on
The position opposite with grid 17.Affixed side commutation portion 19 is arranged on than affixed side travel section 16 further from drawer at movable side travel section 18
Position.Drawer at movable side travel section 18 and affixed side commutation portion 19 are formed by being processed into the metal of plate.
There are two side plate 22, which clips advances the tool of breaker 100 in affixed side travel section 16 and drawer at movable side
The space 30 formed between portion 18.Two rib blocks 23 are provided in space 30.In addition, be integrally formed with affixed side travel section 16
Fixing terminal 12 is also sandwiched between two side plates 22.In Fig. 1, the side plate 22 of a side and rib block 23, the side of the opposing party are depicted
Plate (not shown) and rib block (not shown) are arranged on the top of paper.Each rib block of two rib blocks 23, relative to paper mask
There is the symmetrical shape in face.Side plate 22 is formed by synthetic resin, integrally formed with housing 11, which is equally with synthesis tree
Fat is formed.Side plate 22 is equipped with rib block 23 in a manner of it can assemble and disassemble.In present embodiment, side plate 22 is formed with to fill
Tear the recess portion 31 of rib block 23 open.Rib block 23 is chimeric with recess portion 31.Can be other methods in the method that side plate 22 installs rib block 23.
For example, rib block 23 and side plate 22 can be screwed.
Rib block 23 is formed with the multiple rib 23a~23d extended from fixed contact 13 to grid 17.Multiple rib 23a~23d
In, the rib 23a nearest from affixed side travel section 16 extends to affixed side commutation portion 19, the rib nearest from drawer at movable side travel section 18
23d extends between the middle part 17M of grid 17 and drawer at movable side travel section 18.A rib block 23 in two rib blocks 23 it is more
Multiple rib 23a~23d of a rib 23a~23d and another rib block 23 are set in an opposing fashion.In two rib blocks 23, mutually
Opposed rib 23a~23d is not contacted.There is gap between i.e. opposed rib 23a~23d is each.Rib block 23, by synthetic resin come shape
Into.Synthetic resin for rib block 23 or the synthetic resin for side plate 22.
In breaker 100, fixed contact 13 generates electric arc when being separated with travelling contact 15.The High Temperature Gas generated by electric arc
Body as shown in Figure 3A as high temperature gas flow F1~F3, by rib 23a~23d, is drawn from fixed contact 13 and travelling contact 15
Lead grid 17.The high-temperature gas of grid 17 is reached, the gap 17b between the iron plate 17a for forming grid 17 is flowed into, along iron plate
17a flows through, and is released from exhaust outlet 29 to outside.
As shown in Figure 2 A, rib 23a~23d is bent landform in a manner of round fixing terminal 12 and affixed side travel section 16
Into.Using the end of a side of rib 23a~23d as rib base end part 23a1~23d1, the end of the opposing party is as rib front end
23a2~23d2.Rib base end part 23a1~23d1 is set as mutually at equal intervals.Rib 23a~23d is formed from rib base end part
Towards rib front end 23a2~23d2, the interval between adjacent rib 23a~23d gradually expands 23a1~23d1.That is, from grid
Interval between rib front end 23a2~23d2 of 17 near rib ends, than the rib base end part of the rib end near from fixed contact 13
Interval between 23a1~23d1 is wide.
The rib 23a nearest from affixed side travel section 16, extends to affixed side commutation portion 19.That is, rib 23a is towards in grid 17
The iron plate 17a extension nearest from affixed side commutation portion 19.
Rib 23b positioned at the side of rib 23a, towards the middle part 17M than grid 17 closer to affixed side commutation portion 19
Iron plate 17a extends.In addition, the rib 23c beside rib 23b, towards the iron plate 17a extensions in the middle part 17M of grid 17.Rib 23c
The rib 23d on side extends towards the middle part 17M than grid 17 closer to the iron plate 17a of drawer at movable side travel section 18.So as to rib
Front end 23a2~23d2, with from affixed side commutation portion 19 towards drawer at movable side travel section 18, the mode for changing direction successively is formed.
By this composition, flowed between two adjacent ribs from rib 23a~23d the high temperature gas flow F1 of grid 17~
It is whole to flow to no inclination grid 17 by F3.
Illustrate the effect of breaker 100 below.
It in breaker 100, is rotated by movable terminal 14, travelling contact 15 from fixed contact 13 is pulled open, then is existed
Circuit in breaker 100 is cut off.
Then, electric arc is generated between fixed contact 13 and travelling contact 15.It is detached from from fixed contact 13 and travelling contact 15
Electric arc, as shown in Figure 3A, induced by grid 17, be moved between affixed side travel section 16 and drawer at movable side travel section 18, become
Electric arc A1.
At this point, by the high temperature gas flow F1~F3 guided by rib 23a~23d, electric arc A1 from affixed side travel section 16
Near end A1a is moved to affixed side commutation portion 19, and the end A1b near from drawer at movable side travel section 18 of electric arc A1 is moved to grid
17 lower section, so as to as the electric arc A2 shown in Fig. 3 B.
As shown in figure 4, by the cooling effect of grid 17 and high-temperature gas, promote the rising of arc voltage Va1, it is suppressed that
Arc current Ia1.As a result, current value Δ Ia1, bigger than current value Δ Ia2 shown in Fig. 9, current value Δ Ia1 is electric arc electricity
Flow Ia1 to peaking later after the defined time reduction current value.As a result, improve the electric arc electricity of breaker 100
Flow limitation function.That is, in breaker 100, electric arc can be positively eliminated.
Breaker 100 can obtain effect shown below.
(1) in breaker 100, in a state that rib block 23 is entrenched in recess portion 31, fixed contact 13 divides with travelling contact 15
When opening, by the effect of rib 23a~23d, electric arc can be made to be moved between affixed side commutation portion 19 and drawer at movable side travel section 18.
As a result, by the effect of grid 17, the rising of arc voltage Va is promoted, improves the arc current limitation of breaker 100
Function.
(2) in the case of having no need to ensure that arc current limitation function, can make in the state of rib block 23 is fitted without
With.So as to, rib block 23 is installed by choosing whether, it being capable of two kinds of different breakers of arcing current limit function.
(3) thus, it is possible to which common component, reduces cost.
(embodiment 2)
Illustrate rib block 24 that the breaker that embodiments of the present invention 2 are related to includes with reference to figure 5.Rib block 24, from more
The end (base end part) that the fixed contact of a rib 24a~24d is near has rib linking part 241.Others form identical with rib block 23.
Therefore, the breaker 100 being related in embodiment 1, can install rib block 24, to replace rib block 23.
Rib linking part 241, link respectively adjacent rib 24a~24d base end part 24a1~24d1 it is respective.Pass through the structure
Into as shown in figure 5, preventing the bending of X-direction by rib 24a~24d, and the curved of Y-direction being prevented by rib linking part 241
It is bent.
Thus in embodiment 2, other than the effect obtained in embodiment 1, additionally it is possible to prevent the fever because of electric arc
The bending of caused rib block 24.
(embodiment 3)
Illustrate rib block 25 that the breaker that embodiments of the present invention 3 are related to includes with reference to figure 6.Rib block 25 has first
251 and second face 252 of face, first face 251 are formed with multiple ribs including rib 25a, which is the first face 251
The back side, around second face 252 have flange part 253.That is, the second face 252 is surrounded by flange part 253.Other structures
Into identical with rib block 23 or rib block 24.Therefore, the breaker 100 being related in embodiment 1, can install rib block 25, with generation
For rib block 23.
The height of flange part 253 is identical relative to the second face 252.That is, it is formed with rib in the inside of flange part 253
Recess portion 254.
It is similary with embodiment 2 by this composition, rib block 25 can be prevented to be bent.
In addition, in rib block 25, the magnetic sheet 27 of iron plate etc. can be stored in costal fovea portion 254.That is, magnetic sheet 27 is accommodated in costal fovea portion
254 rib block 25 can be chimeric with recess portion 30.By this composition, electric arc can be made to pass through the surface of rib block 25, positively moved
To between the front end 16a of affixed side travel section 16 and drawer at movable side EEF bogie 18.
In addition, in the breaker of present embodiment, can select to be mounted with mode and the dismounting of magnetic sheet 27 in rib block 25
Mode.Can in the breaker of different modes common component.
Above-mentioned embodiment 1 to 3 can be deformed as follows.
In the rib block 24 of embodiment 2, the flange part 253 set in the rib block 25 of embodiment 3 can be set.
Symbol description
12 fixing terminals
13 fixed contacts
14 movable terminals
15 travelling contacts
16 affixed side travel sections
17 grids
17M middle parts
18 drawer at movable side travel sections
19 affixed side commutation portions
22 side plates
23rd, 24,25 rib block
23a~23d, 24a~24d, 25a~25d ribs
241 rib linking parts
253 flange parts
254 costal fovea portions
27 magnetic sheets
Claims (6)
1. a kind of breaker, has：
Fixing terminal has fixed contact；
Movable terminal has travelling contact, is separate by travelling contact described in on-off action and the fixed contact；
Drawer at movable side travel section is electrically connected with the movable terminal；
Affixed side commutation portion, is electrically connected with the fixing terminal；
Grid is arranged between the drawer at movable side travel section and the affixed side commutation portion；
Two rib blocks are respectively formed with the multiple ribs extended from the fixed contact to the grid, and are set as a rib
The multiple rib of block is opposite with the multiple rib of another rib block；And
Two side plates clip described two rib blocks,
Described two side plates are equipped with described two ribs rib block in the block in a manner of it can assemble and disassemble respectively,
The rib block is formed by synthetic resin.
2. a kind of breaker, has：
Fixing terminal has fixed contact；
Movable terminal has travelling contact, is separate by travelling contact described in on-off action and the fixed contact；
Drawer at movable side travel section is electrically connected with the movable terminal；
Affixed side commutation portion, is electrically connected with the fixing terminal；
Grid is arranged between the drawer at movable side travel section and the affixed side commutation portion；
Two rib blocks are respectively formed with the multiple ribs extended from the fixed contact to the grid, and are set as a rib
The multiple rib of block is opposite with the multiple rib of another rib block；And
Two side plates clip described two rib blocks,
Described two side plates are equipped with described two ribs rib block in the block in a manner of it can assemble and disassemble respectively,
Described two rib blocks are respectively provided with rib linking part, and the rib bond sites are in the multiple rib near from the fixed contact
End.
3. a kind of breaker, has：
Fixing terminal has fixed contact；
Movable terminal has travelling contact, is separate by travelling contact described in on-off action and the fixed contact；
Drawer at movable side travel section is electrically connected with the movable terminal；
Affixed side commutation portion, is electrically connected with the fixing terminal；
Grid is arranged between the drawer at movable side travel section and the affixed side commutation portion；
Two rib blocks are respectively formed with the multiple ribs extended from the fixed contact to the grid, and are set as a rib
The multiple rib of block is opposite with the multiple rib of another rib block；And
Two side plates clip described two rib blocks,
Described two side plates are equipped with described two ribs rib block in the block in a manner of it can assemble and disassemble respectively,
Described two rib blocks are respectively provided with the first face and the second face, and first face is formed with the multiple rib, and described second
Face is the back side in first face, and the edge part in second face has flange part.
4. breaker as claimed in claim 3,
Described two rib blocks have the magnetic sheet that can be assembled and disassembled in the inside of the flange part respectively.
5. such as any one of them breaker of Claims 1-4,
Be also equipped with the affixed side travel section stretched out from the fixing terminal, described two rib blocks each rib block it is described more
In a rib, the rib nearest from the affixed side travel section extends to the affixed side commutation portion, advances from the drawer at movable side
The nearest rib in portion, extends between the middle part of the grid and the drawer at movable side travel section.
6. such as any one of them breaker of Claims 1-4,
Adjacent rib in the multiple rib of each rib block of described two rib blocks, between the end near from the grid
Interval it is wider than the interval between the end near from the fixed contact.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014074818 | 2014-03-31 | ||
| JP2014-074818 | 2014-03-31 | ||
| PCT/JP2015/000819 WO2015151394A1 (en) | 2014-03-31 | 2015-02-20 | Circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106104742A CN106104742A (en) | 2016-11-09 |
| CN106104742B true CN106104742B (en) | 2018-06-19 |
Family
ID=54239750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580013738.4A Active CN106104742B (en) | 2014-03-31 | 2015-02-20 | Breaker |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPWO2015151394A1 (en) |
| CN (1) | CN106104742B (en) |
| WO (1) | WO2015151394A1 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202443933U (en) * | 2012-02-27 | 2012-09-19 | 温州市新蓝天电器有限公司 | Direct current circuit breaker with permanent magnet arc blowing system |
| CN103123872A (en) * | 2011-11-19 | 2013-05-29 | Abb股份公司 | Installation switching device with ante-chamber and guidance fins |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5669744A (en) * | 1979-11-09 | 1981-06-11 | Matsushita Electric Works Ltd | Device for extinguishing wiring breaker |
| JPS57143234A (en) * | 1981-02-27 | 1982-09-04 | Matsushita Electric Works Ltd | Arc extinguishing device |
| JP4090968B2 (en) * | 2003-09-02 | 2008-05-28 | 三菱電機株式会社 | Circuit breaker |
-
2015
- 2015-02-20 CN CN201580013738.4A patent/CN106104742B/en active Active
- 2015-02-20 JP JP2016511346A patent/JPWO2015151394A1/en not_active Ceased
- 2015-02-20 WO PCT/JP2015/000819 patent/WO2015151394A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123872A (en) * | 2011-11-19 | 2013-05-29 | Abb股份公司 | Installation switching device with ante-chamber and guidance fins |
| CN202443933U (en) * | 2012-02-27 | 2012-09-19 | 温州市新蓝天电器有限公司 | Direct current circuit breaker with permanent magnet arc blowing system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2015151394A1 (en) | 2017-04-13 |
| CN106104742A (en) | 2016-11-09 |
| WO2015151394A1 (en) | 2015-10-08 |
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