CN1049525C - Circuit breaking device - Google Patents
Circuit breaking device Download PDFInfo
- Publication number
- CN1049525C CN1049525C CN96110813A CN96110813A CN1049525C CN 1049525 C CN1049525 C CN 1049525C CN 96110813 A CN96110813 A CN 96110813A CN 96110813 A CN96110813 A CN 96110813A CN 1049525 C CN1049525 C CN 1049525C
- Authority
- CN
- China
- Prior art keywords
- arc
- fixed contact
- electric arc
- font
- runner
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- 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
- H01H73/04—Contacts
Landscapes
- Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
A circuit breaker has a pair of arc extinguishing side plates which interposes a grid aggregate and extends toward a fixed contact, a fixed contact side arc runner which exists on the inside of the arc extinguishing side plate and extends toward the grid aggregate from the specified position, and a pair of arc suction plates made of a ferromagnetic material which exists on the outside of the arc extinguishing side plate and is arranged so as to have the specified distance to the fixed contact. An arc is sucked to an arc suction plate, and quickly moves from the fixed contact toward the grid aggregate. Thereby reduce the consumption of a fixed contact and the deterioration of an insulating material in the periphery of the fixed contact. By arranging an arc drive plate made of a ferromagnetic material so as to interpose the fixed contact, an effect is further enhanced.
Description
The present invention relates to be used for for example circuit-breaker of distribution board part, relate to reduce its fixed contact equal loss in more detail and slow down the fixed contact circuit-breaker of the insulation degradation of insulating component on every side.
Fig. 9, Figure 10 are the structures of representing the circuit-breaker arc-extinction device in the past shown in for example Japanese patent of invention No. 131627 communique of open nineteen eighty-three, and Fig. 9 is the major part sectional view, and Figure 10 is the major part stereogram.In these figure, fixed contact therefor 12 is set on the pedestal 10, is fixing fixed contact 12a on fixed contact therefor 12.Movable contact 14 has the travelling contact 14a that is located on its end, and travelling contact 14a and fixed contact 12a are disposing Face to face.The movable not shown operating mechanism of contact 14 usefulness is operated and is switched on or switched off with fixed contact 12a in the direction of arrow A shown in the solid line of Fig. 9 and chain-dotted line.
Arc-extinction device 20 has the arc runner 30 of explosion chamber 22, fixed contact therefor one side and the arc runner 36 of movable contact one side.Explosion chamber 22 has net grid body 24 and extinguishing arc side plate 28.Net grid body 24 is overlapped by screen 26 sheet number and spacing in accordance with regulations.A side of facing with fixed contact 12a on screen 26 is provided with groove of the notch 26a.Extinguishing arc side plate 28 with overlapping 26 by carrying out clamping with the vertical direction of Fig. 9 paper.Net grid body 24 is configured to have with fixed contact 12a the distance of regulation.The arc runner 30 of fixed contact one side has vertical component effect 30a and horizontal part 30b and makes the shape of L font.Vertical component effect 30a extends to the below of Fig. 9 from fixed contact therefor 12, and horizontal part 30b extends to the bottom of net grid body 24 to horizontal direction from vertical component effect 30a.
The コ glyph framework 32 of ferrite system has vertical sheet 32a and two lateral plate 32b, all adopts the good soft ferrite of insulating properties and is integrally formed as the shape of コ font.Ferrite system コ glyph framework 32, its two lateral plate 32b make the state of the vertical component effect 30a that clamps fixed contact 12a and fixed contact therefor one side arc runner 30 and be adapted to and fixed contact 12a between be provided with the gap.Iron コ glyph framework 34 has vertical 34a of portion and both sides 34b, all adopts steel plate to be integrally formed as the shape of コ font.The outside that iron コ glyph framework 34 is set at ferrite system コ glyph framework 32 closely contacts with ferrite system コ glyph framework 32.
The arc runner 36 of movable contact one side is from being extended near the left of the open position of travelling contact 14a to the top of net grid body 24.
As mentioned above, use the コ glyph framework 32 of the plain system of the good soft iron of insulating properties to make and fixed contact 12a between the space diminish and when making gap smaller, side uses the high steel plate of magnetic flux density can improve magnetic efficient overleaf.
Below action is described.By the tripper action that causes because of abnormal current, travelling contact 14a leaves from fixed contact 12a, produces electric arc between fixed contact 12a and travelling contact 14a.
The magnetic drive power that the electric arc that produces causes by the magnetic field that is produced by ferrite system コ glyph framework 32 that makes the コ font and iron コ glyph framework 34 and by direction driving to net grid body 24.Further, this electric arc is attracted in the net grid body 24 and when being divided into a plurality of little electric arc with screen 26, is extended and cools off down to electric current is disconnected by effect on extinguishing arc side plate 28 and the thermal decomposition gas that produces.
Also have, as mentioned above, away from fixed contact 12a net grid body 24 is set, by on position, disconnecting electric arc away from fixed contact, can prevent the insulation degradation between mains side and the load side and the heat fusing thing that causes because of electric arc in operating mechanism portion etc. to adhere to the action that causes bad.
The structure of above-described circuit-breaker in the past, seeking aspect miniaturization and the opening performance advantage is arranged, but, owing to ferrite system コ glyph framework 32 and iron コ glyph framework 34 are provided with away from net grid body 24, so make electric arc promptly drive and make the consumption that reduces fixed contact 12a and slow down pedestal 10 and the insulation degradation of the fixed contact periphery of outer cover (not shown) etc. is limited to the direction of net grid body 24 with this electromagnetic force.Therefore, the deterioration etc. that require to reduce the consumption of fixed contact 12a and slow down the insulating component of fixed contact periphery such as pedestal 10 further improves performance and durability.
The present invention is for satisfying above-mentioned requirements, and its purpose is to provide a kind of electric arc of producing between fixed contact and the travelling contact of making promptly to shift and reduce the consumption of fixed contact and slow down the circuit-breaker of insulating component deterioration around the fixed contact to net grid aggregate.The present invention also aims to provide a kind of processing to be easier to and low-cost circuit-breaker.
The circuit-breaker of the 1st kind of technical scheme of the present invention has: the direction to fixed contact when clamping net grid aggregate away from the fixed contact setting is extended a pair of aspectant extinguishing arc member that is provided with, from the assigned position that is positioned at this extinguishing arc member inboard when net grid aggregate direction is extended and the arc runner of the electric conducting material system that is electrically connected of fixed contact therefor, the a pair of electric arc of the strong magnetic material system that is positioned at the aspectant extinguishing arc member outside and is provided with to the predetermined distance of the bearing of trend of arc runner from fixed contact attracts member.
The circuit-breaker of the 2nd kind of technical scheme of the present invention is to attract member to form the structure of one with steel plate on arc runner and electric arc, will attract member to make the shape of square shape in the cross section that forms with the perpendicular direction of the bearing of trend of arc runner by arc runner and electric arc.
The circuit-breaker of the 3rd kind of technical scheme of the present invention, its arc runner is the structure that extends to form to the direction of net grid aggregate from fixed contact therefor, attract the aspectant of member that face is made the structure that electric arc attracts member the コ font that forms the コ font, make arc runner be positioned at the inboard that the コ font attracts the コ font portion of member.
The circuit-breaker of the 4th kind of technical scheme of the present invention with the perpendicular direction of the bearing of trend of arc runner on be provided with and a pair of fixed contact clamped such electric arc drive member with strong magnetic material system.
The circuit-breaker of the 5th kind of technology master case of the present invention, be to attract member and electric arc drive member to form the structure of one with steel plate on arc runner, electric arc, will by arc runner and electric arc attract member with the perpendicular direction of the bearing of trend of arc runner on the cross section that forms make the shape of コ font, will by arc runner and electric arc drive member with the perpendicular direction of the bearing of trend of arc runner on the cross section that forms make the shape of コ font.
Simple declaration to accompanying drawing:
Fig. 1 is the sectional view of the circuit-breaker internal structure of expression one embodiment of the invention.
Fig. 2 is the cutaway view of the arc-extinction device part of section II-II among Fig. 1.
Fig. 3 is the exploded perspective view of the arc-extinction device part of Fig. 1.
Fig. 4 is the sectional view of the circuit-breaker internal structure of expression another embodiment of the present invention.
Fig. 5 is the stereogram that the electric arc in the presentation graphs 4 drives aggregate.
Fig. 6 is a structure of further representing the explosion chamber of another embodiment of the present invention, and Fig. 6 (a) is a vertical view, and Fig. 6 (b) is an end view.
Fig. 7 be further represent another embodiment of the present invention the circuit-breaker major part want portion's sectional view.
Fig. 8 is the figure of explosion chamber in the presentation graphs 7, and Fig. 7 (a) is a vertical view, and Fig. 7 (b) is an end view.
Fig. 9 is that expression is wanted portion's sectional view with the circuit-breaker major part of advocating peace.
Figure 10 be represent in the past with the circuit-breaker major part want portion's stereogram.
Embodiments of the invention 1 below are described.
Fig. 1-Fig. 3 is the structure of expression one embodiment of the invention, and Fig. 1 is the sectional view of indication circuit circuit breaker internal structure, and Fig. 2 is the cutaway view of the arc-extinction device part of section II-I among Fig. 1, and Fig. 3 is the exploded perspective view of arc-extinction device part.In these figure, housing 110 is made of insulating component pedestal 110a and the outer cover 110b with forming synthetic resin respectively, is holding fixed contact therefor 112 described later, movable contact 114, arc-extinction device 120 etc.Fixed contact 112a in soldering on the end of an end of fixed contact therefor 112, and the end of its other end is connected with power supply side terminal 144 described later.Travelling contact 114a with the fixed contact 112a soldering over the ground of practising physiognomy on movable contact 114, the arc runner 136 of movable contact one side closely is close to the top that the right-hand L of being font ground one extends to net grid aggregate 124 (aftermentioneds) in Fig. 1.
Arc-extinction device 120 has explosion chamber 122 and electric arc drives aggregate 130.Explosion chamber 122 has net grid aggregate 124 and as the extinguishing arc side plate 128 of extinguishing arc member.Net grid aggregate 124 is by overlapping with the steel plate of ferromagnetism body in accordance with regulations sheet number and spacing on stamping-out is processed into as the vertical direction of screen 126 in Fig. 3 of net grid member.And on screen 126, be positioned at the notch 126a (Fig. 3) that is provided with elongated U font in the face of the central portion of fixed contact point 112a one side.
Extinguishing arc side plate 128 for example is used as the solid fiberboard of insulating material and is processed into through stamping-out, with overlapping screen 126 in its side clamping supporting, extend to fixed contact 112a portion.The bend 128a that top is strengthened with bending machining is set as shown in Figure 3 on extinguishing arc side plate 128 again.Bend 128a is for preventing horizontal direction and flexural deformation among Fig. 3.
Electric arc drives aggregate 130 and is made of the arc runner 132 and the arc plate 134 of fixed contact therefor one side, forms through punch process with the steel plate of magnetic material.The bend 132a of Fig. 3 left forms through the two-stage bending machining from illustrated bottom surface sections 132b in the arc runner 132 of fixed contact therefor one side.The end of bend 132a is inserted between the fixed contact 112a part and pedestal 110a of fixed contact therefor 112, with fixed contact therefor 112 near and carry out electric the contact.
The a pair of attraction plate 134 that attracts member as electric arc is holded up from fixed contact therefor one side arc runner 132 in the left side near the bottom surface sections 132b of fixed contact therefor one side arc runner 132, will with fixed contact therefor one side arc runner 132 on become the section of vertical direction to make the shape of コ font with the arc runner bearing of trend.Again, arc plate 134 is positioned at the outside of extinguishing arc side plate 128.Arc plate 134 is arranged on and the distance of fixed contact 112a regulation and overlapping with the part of the net grid aggregate 124 of explosion chamber 122 as shown in Figure 1.
The bottom surface sections 132b of fixed contact therefor one side arc runner 132 extends to the bottom of explosion chamber 122.Travelling contact 114a ties up between the arc plate 134 that is separated by extinguishing arc side plate 128 when fixed contact 112a separates and passes through.Also have, the steel plate that the electric arc that is made of fixed contact therefor one side arc runner 132 and arc plate 134 drives aggregate 130 usefulness strong magnetic materials is processed through stamping-out and is formed.
The explosion chamber 122 and the electric arc driving aggregate 130 of said structure are combined into the case shape, drive aggregate 130 with movable contact one side arc runner 136, explosion chamber 122 and electric arc and constitute arc-extinction devices 120.
In the circuit-breaker of said structure, when super-high-currents such as short circuit current flow, overcurrent ejector 148 promptly moves and movable contact 114 is disconnected, and produces electric arc between fixed contact 112a and the travelling contact 114a.The electric arc that is produced is directed to after the bend 132a of fixed contact therefor one side arc runner 132, is attracted to the direction of arc plate 134 owing to the magnetic action of the arc plate made from magnetic material 134.At this moment, arc plate 134 is owing to isolate with electric arc by extinguishing arc side plate 128 made of insulating material, therefore electric arc can not take place between arc plate 134 and movable contact 114, electric arc moves at the bottom surface sections 132b that fixed contact therefor one side arc runner 132 is exposed.
Therefore, electric arc with the idiostatic fixed contact therefor one side arc runner 132 of fixed contact 112a on promptly move to the net grid aggregate 124 of explosion chamber 122.Arrive the electric arc of screen 126 owing to have the magnetic attraction effect of the ferromagnetic net grid aggregate 124 of the U notched cut 126a of portion, introducing in net grid aggregate 124, disjunction, cooling are up to by arc extinguishing.
As mentioned above and since by the arc plate 134 of strong magnetic material system electric arc is attracted by brute force and in net grid aggregate 124 rapidly by arc extinguishing, institute so that opening performance improve.Again, electric arc shortens in the part of fixed contact 112a dead time, can suppress the damage of the housing 110 of fixed contact 112a and fixed contact periphery slightly.Also have, be processed to form because electric arc drives aggregate 130 usefulness steel plate one, so can make handling ease, price also cheap.
Embodiments of the invention 2 below are described.
Fig. 4 and Fig. 5 are the structures of expression another embodiment of the present invention, and Fig. 4 is the sectional view of indication circuit circuit breaker internal structure, and Fig. 5 is the stereogram that expression electric arc drives aggregate.In these figure, electric arc drives aggregate 230 is set as the electric arc drive plate 238 of a pair of electric arc drive member the bend 132a of among Fig. 3 and bend 132a fixed contact therefor one side arc runner 132 the コ font as shown in Figure 5 integratedly in the cross section with the perpendicular direction of bearing of trend of arc runner shape.Electric arc drive plate 238 is being provided with the gap and is forming the state that fixed contact 112a is clamped with the perpendicular direction of Fig. 4 paper of fixed contact 112a.And electric arc drive plate 238 is configured in the outside of aspectant extinguishing arc side plate 128 as shown in Figure 4 and closely contacts with extinguishing arc side plate 128.
The electric arc driving aggregate 130 that this electric arc drives aggregate 230 and Fig. 3 is similarly an overall structure, wherein, the steel plate of electric arc drive plate 238, fixed contact therefor one side arc runner 132 and arc plate 134 usefulness magnetic materials forms through stamping-out, bending machining.
About other structure, since same with Fig. 1-shown in Figure 3 embodiment of the invention 1, so the member suitable with it adopted identical label and omission explanation.
If press embodiments of the invention 2, electric arc drive plate 238 with strong magnetic material system, make the contact site magnetic field-intensification on every side of fixed contact 112a and travelling contact 114a, strengthen by the electric arc actuating force that makes the disconnection initial stage, because electric arc is moved to arc plate 134 and net grid aggregate 124, shortened the dead time of electric arc in the fixed contact 112a part, so opening performance is improved.And can suppress the damage of the housing 110 of fixed contact 112a and fixed contact periphery slightly.Certainly, owing to driving the processing of aggregate 230 usefulness steel plate one, electric arc forms, so can make handling ease, price also cheap.
The 3rd embodiment of the present invention below is described.
Fig. 6 is the expression structure of an embodiment more of the present invention, and Fig. 6 (a) is the vertical view of explosion chamber, and Fig. 6 (b) is the end view of explosion chamber.Electric arc drive aggregate 330 be arranged to make a pair of electric arc drive plate 338 with the bend 132a of fixed contact therefor one side arc runner 132 shown in Figure 3 on be positioned at the structure of extinguishing arc side plate 128 inboards integratedly with bend 132a, these are that steel plate with magnetic material forms through punch process.Electric arc drive plate 338 is bent to the コ font from bend 132a, with the vertical direction of Fig. 4 paper on be provided with the gap and fixed contact 112a clamped the inboard that is configured in extinguishing arc side plate 128 like that.By electric arc drive plate 338 being configured in the inboard of extinguishing arc side plate 128, can prevent that the end of extinguishing arc side plate 128 is out of shape to the inside.
About other structure, owing to be identical with the embodiment of the invention 1 of Fig. 1-shown in Figure 3, the part suitable with it adopts the also omission explanation of identical label.
As mentioned above, because the end that electric arc drive plate 338 can prevent extinguishing arc side plate 128 is bending to the inside, even use the such cheap insulating material such as paper base material of solid fiberboard also can prevent to be out of shape, so cheap material can be used as extinguishing arc side plate 128 because of moisture absorption.
Also have, when the gap of electric arc drive plate 338 and fixed contact 112a is disconnected by travelling contact 114a and the distance of electric arc drive plate 338 and essential factors such as magnetic drive power decide.Therefore, at the electric arc drive plate 338 shown in the embodiment of Fig. 6 is that the member that the insulation coated is handled is not made on the surface, yet handle as coated that electric arc drive plate 338 is insulated, when travelling contact 114a is disconnected and between the electric arc drive plate 338 electric arc does not take place, so electric arc drive plate 338 can be arranged to approach fixed contact 112a yet.
The 4th embodiment of the present invention below is described.
Fig. 7, Fig. 8 are the expression another embodiment of the present invention, Fig. 7 be indication circuit circuit breaker major part want portion's sectional view, Fig. 8 (a) is the vertical view of explosion chamber, Fig. 8 (b) is the end view of explosion chamber.It is to attract member 434 and コ font drive member 438 usefulness binding agents to be separately fixed on the extinguishing arc side plate 128 the コ font to constitute that electric arc drives aggregate 430.The コ font attracts member 434 to have the connecting portion 434b that attracts the aspectant tabular electroplax attraction 434a of portion of member to be connected with the 434a of electric arc attraction portion therewith as electric arc, bends to the コ font and forms through punch process with the steel plate of magnetic material.The コ font attracts the electric arc attraction 434a of portion of member 434 to be located at the outside of extinguishing arc side plate 128, and connecting portion 434b only protrudes the part of its thickness of slab as shown in Figure 7 downwards from extinguishing arc side plate 128.
コ font drive member 438 has the connecting portion 438b that is connected with electric arc drive division 438a therewith as the aspectant tabular electric arc drive division 438a of electric arc drive member, and the steel plate with magnetic material forms by bending to the コ font equally.In addition, the electric arc drive division 438a of コ font drive member 438 is located at the outside of extinguishing arc side plate 128, connecting portion 438b only protrudes the part of its thickness of slab as shown in Figure 7 to left from extinguishing arc side plate 128.
Fixed contact therefor one side arc runner 432 is structures that the conductor that will form fixed contact therefor 112 extends to net grid aggregate 124 bottoms same as before, be provided in the inboard that the コ font attracts the コ font portion of member 434 and コ font drive member 438, the コ font attracts each connecting portion 434b, 438b of member 434 and コ font drive member 438 respectively to being connected into electric the contact.
Also have, be bonded on the extinguishing arc side plate 128, can prevent that the end of extinguishing arc side plate 128 is out of shape to the inside or laterally by electric arc being attracted 434a of portion and electric arc drive division 438a.
About other structure, because of identical, so the part suitable with it adopts identical label and omit explanation with the present invention the 1st embodiment of Fig. 1-shown in Figure 3.
Also have, to Fig. 7, shown in Figure 8 electric arc drive division 438a made the outside that is positioned at extinguishing arc side plate 128 and the drive division 438 of コ font is bonded in situation on the extinguishing arc side plate 128, also can adopt コ font drive member 438 is assembled extinguishing arc side plate 128 then with the form soldering of clamping fixed contact 112a on fixed contact therefor 112 method to replace.At this moment, because コ font drive member 438 is docked with the inboard of extinguishing arc side plate 128, be out of shape to the inside so also can prevent the end of extinguishing arc side plate 128.
In addition, the コ font saves connecting portion 434b, 438b, event also can be bonded on the extinguishing arc side plate 128 the tabular a pair of electric arc attraction 434a of portion, electric arc drive division 438a respectively as arc plate and electric arc drive plate owing to can not forming the コ font to be attracted member 434 and コ font drive member 438.
Other, in the embodiment 2 to embodiment 4 of the invention described above, extinguishing arc side plate 128 uses and produces the various insulating material that are used for arc extinguishing gases because of electric arc exposes to the sun to penetrating, and is used more owing to the paper base material low price.Screen 126 also can use ceramic materials such as cordierite except that the steel plate that adopts strong magnetic material.
The present invention has following effect.
As mentioned above, if according to the present invention the 1st kind of described circuit-breaker of technical scheme since have will Be located at be located at when the net grid aggregate that separates with fixed contact is clamped to the fixed contact direction extend a pair of Aspectant extinguishing arc member prolongs to the direction of net grid aggregate from the inboard position that is positioned at this extinguishing arc side plate When stretching and the arc runner of the conductive material system that is electrically connected of fixed contact therefor, be positioned at aspectant The extinguishing arc member outside is located at strong magnetic material system from from fixed contact to arc runner bearing of trend predetermined distance A pair of electric arc attracts member, attracts electric arc is promptly guided to net grid aggregate because attract member with electric arc Its time of stagnating at the fixed contact place is shortened, connect so can reduce the consumption of fixed contact and slow down fixedly The deterioration of the insulating component around the point.
If the 2nd kind of described circuit-breaker of technical scheme according to the present invention, arc runner and electric arc attract structure It is integrally formed that part is steel plate and since will by arc runner and electric arc attract member with the extension of arc runner The cross section of the perpendicular direction of direction makes the shape of コ font, so make easily low price.
If the circuit-breaker of the 3rd kind of technical scheme according to the present invention, arc runner are to form from fixing contact Part is that the コ font that will form the コ font attracts the face-to-face of member to the structure that net grid aggregate direction prolongs Face is made the structure that electric arc attracts member owing to be arc runner to be made be positioned at the コ font and attract structure The structure of the inboard of the コ font section of part is so electric arc attracts the making of member easy.
If the circuit-breaker of the 4th kind of technical scheme according to the present invention and since with the extension side of arc runner On perpendicular direction, a pair of electric arc driving structure with strong magnetic material system that fixed contact is clamped is set Part is because the electric arc that produces at fixed contact attracts member by the driving force of electric arc drive member and electric arc The synergism of attraction makes it at the fixed contact place to direction driving of net grid aggregate more powerfully stops The time that stagnates becomes shorter, therefore can reduce the consumption of fixed contact and more effectively slows down around the fixed contact The insulating component deterioration.
If the circuit-breaker of the 5th kind of technical scheme according to the present invention, arc runner, electric arc attract member and electricity The arc drive member is with steel plate shape all-in-one-piece structure and since will by arc runner and electric arc attract member with The cross section of the perpendicular direction of arc runner bearing of trend make the コ font shape, will be by arc runner and electric arc Drive member makes the shape of コ font in the cross section with the perpendicular direction of arc runner bearing of trend, so electricity The making of arc stream road, electric arc attraction member and electric arc drive member is easy, price is also cheap.
Claims (5)
1. circuit-breaker, it is characterized in that, comprise: have fixed contact and be fixed on fixed contact therefor on the insulating component, has the movable contact of connecting the travelling contact that disconnects with the said fixing contact, the net grid aggregate that a plurality of net grid members are provided with interval overlapping and are provided with away from the said fixing contact, direction to above-mentioned fixed contact when clamping this net grid aggregate is extended a pair of aspectant extinguishing arc member that is provided with, the arc runner of the electric conducting material system that is electrically connected with the said fixing contact when the direction of above-mentioned net grid aggregate is extended from assigned position in the inboard of this aspectant extinguishing arc member is positioned at the above-mentioned aspectant extinguishing arc member outside and a pair of electric arc of the strong magnetic material system that is provided with to the predetermined distance of the bearing of trend of above-mentioned arc runner from the said fixing contact attracts member.
2. circuit-breaker according to claim 1, it is characterized in that, it is to make with the integrally formed structure of steel plate that arc runner and electric arc attract member, will attract member to make the shape of コ font at the section that forms with the perpendicular direction of the bearing of trend of arc runner by arc runner and electric arc.
3. circuit-breaker according to claim 1, it is characterized in that, arc runner is to form the structure that prolongs to net grid aggregate direction from fixed contact therefor, the コ font that forms the コ font attracts the aspectant of member that face is made to electric arc attraction member, and arc runner is made to and is positioned at the inboard that the コ font attracts the コ font portion of member.
4. circuit-breaker according to claim 1 is characterized in that, the direction perpendicular with the bearing of trend of arc runner is provided with a pair of electric arc drive member with strong magnetic material system that fixed contact is clamped.
5. circuit-breaker according to claim 4, it is characterized in that, it is the structure that forms one with steel plate that arc runner, electric arc attract member and electric arc drive member, attract member to be made to the shape of コ font in the cross section that forms with the perpendicular direction of the bearing of trend of arc runner by arc runner and electric arc, be made to the shape of コ font by arc runner and electric arc drive member in the cross section that forms with arc runner and the perpendicular direction of bearing of trend.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP320105/1995 | 1995-12-08 | ||
| JP320105/95 | 1995-12-08 | ||
| JP32010595A JP3440663B2 (en) | 1995-12-08 | 1995-12-08 | Circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1152183A CN1152183A (en) | 1997-06-18 |
| CN1049525C true CN1049525C (en) | 2000-02-16 |
Family
ID=18117765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96110813A Expired - Fee Related CN1049525C (en) | 1995-12-08 | 1996-07-12 | Circuit breaking device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3440663B2 (en) |
| KR (1) | KR100197051B1 (en) |
| CN (1) | CN1049525C (en) |
| TW (1) | TW308701B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100357205B1 (en) * | 2000-10-28 | 2002-10-19 | 엘지산전 주식회사 | Circuit breaker |
| KR100832329B1 (en) * | 2006-12-29 | 2008-05-26 | 엘에스산전 주식회사 | Arc runner of circuit breaker |
| JP5313933B2 (en) * | 2010-01-18 | 2013-10-09 | 三菱電機株式会社 | Circuit breaker |
| JP2012043565A (en) * | 2010-08-17 | 2012-03-01 | Fuji Electric Fa Components & Systems Co Ltd | Circuit breaker |
| JP5665716B2 (en) * | 2011-09-30 | 2015-02-04 | 三菱電機株式会社 | Circuit breaker |
| KR101827283B1 (en) * | 2013-11-08 | 2018-02-08 | 엘에스산전 주식회사 | Circuit breaker |
-
1995
- 1995-12-08 JP JP32010595A patent/JP3440663B2/en not_active Expired - Fee Related
-
1996
- 1996-04-12 TW TW085104334A patent/TW308701B/zh active
- 1996-07-12 KR KR1019960028136A patent/KR100197051B1/en not_active IP Right Cessation
- 1996-07-12 CN CN96110813A patent/CN1049525C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TW308701B (en) | 1997-06-21 |
| JPH09161643A (en) | 1997-06-20 |
| JP3440663B2 (en) | 2003-08-25 |
| KR100197051B1 (en) | 1999-06-15 |
| KR970051614A (en) | 1997-07-29 |
| CN1152183A (en) | 1997-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1238877C (en) | Latching magnetic relay assembly with linear motor | |
| CN1327604A (en) | Contactor | |
| CN1877770A (en) | Electromagnetic relay | |
| CN1010723B (en) | Fuel battery collecting apparatus | |
| CN1049525C (en) | Circuit breaking device | |
| CN1716494A (en) | Breaker | |
| CN1378697A (en) | Electromagnetic relay assembly with linear motor | |
| CN1128458C (en) | Switch | |
| CN1271661C (en) | Circuit breaker | |
| CN1343366A (en) | Electrical coil module, electrical coil comprising such modules, actuation mechanism including such coil and circuit breaker comprising such actuation mechanism | |
| CN1787147A (en) | Switchgear | |
| WO2001086675A3 (en) | Flexible shunt for electric power switch | |
| CN1217813A (en) | Hybrid relay | |
| JPH10144171A (en) | Current switching device having arc-extinguishing mechanism | |
| CN1226764C (en) | Air circuit breaker | |
| RU2000118821A (en) | POWER DISTRIBUTION DEVICE, IN PARTICULAR, POWER DISTRIBUTION DEVICE WITH AIR COOLING AND EXPLOSION UNITS, FOR MEDIUM VOLTAGE NETWORKS | |
| AU2009276298B2 (en) | Switching device | |
| CN1157824C (en) | ALuminium connecting clip used for electric appliance, particularly for fuse | |
| CN1829583A (en) | Apparatus for performing a plurality of magnetic pulse forming or welding operations | |
| US9412540B2 (en) | Switch | |
| EP3921924A1 (en) | The method of winding construction in a linear motor | |
| CN1835150A (en) | Electrical apparatus having a prechamber spacce, an arc runner and a current limiting arc quenching device | |
| CN1258847C (en) | Connecting device for switchgear cabinet with module racks | |
| CN1446392A (en) | Busbar connecting terminal | |
| CN219626582U (en) | Free structure and circuit breaker disappear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |