CN206726990U - A kind of arc quenching system of residual current action breaker - Google Patents
A kind of arc quenching system of residual current action breaker Download PDFInfo
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- CN206726990U CN206726990U CN201720240640.9U CN201720240640U CN206726990U CN 206726990 U CN206726990 U CN 206726990U CN 201720240640 U CN201720240640 U CN 201720240640U CN 206726990 U CN206726990 U CN 206726990U
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- static contact
- residual current
- quenching system
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Abstract
The utility model discloses a kind of arc quenching system of residual current action breaker, including magnetic conduction arc angle, tripping mechanism, static contact, moving contact, run-on tab, magnetic conduction arc plate, conducting system, magnetic conduction sheet, arc separating wall, arc-chutes, let out arc passage, yoke.Wherein run-on tab uses the cambered surface bending structure of both ends extension, magnetic conduction arc plate is arranged on run-on tab bottom, moving contact is serpentine structure, arc static contact is welded in yoke, class " V " shape magnetic conduction arc angle is placed on inside static contact, and the top surface and bottom surface of run-on tab and static contact set arc separating wall and magnetic conduction sheet respectively.Each functional part of the utility model arc quenching system is simple for structure rationally, and process and assemble is convenient firm；The arc leading and suppressing speed of arc quenching system is fast, the time is short, and larger ablation will not be caused to contact, to cut-out high-current circuit or short circuit breaking capacity positive effect, electric arc magnetic blow-out and air-blowing efficiency high, significantly improves product short circuit breaking capacity and service life.
Description
Technical field
It the utility model is related to low-voltage electrical technical field, the arc extinguishing system of specifically a kind of residual current action breaker
System.
Background technology
Residual current action breaker is that the function of detection residual current and the function of disconnection main circuit are combined,
Circuit can also be overloaded simultaneously and a kind of breaker of multifunctional usage of short-circuit protection, traditional residual current acting break
The arc quenching system of road device has that complicated, volume is big, arc extinction performance is unstable, and product short circuit breaking capacity can not meet very well
The disjunction requirement increasingly improved, the service life of product are not grown.
The content of the invention
The purpose of this utility model is to be directed to above-mentioned the deficiencies in the prior art, there is provided a kind of residual current action breaker
Arc quenching system, have striking speed is fast, electric arc magnetic blow-out with air-blowing efficiency high, significantly improve breaker short circuit breaking capacity and
Service life, it is simple for structure, compact, it is easy to process, install convenient, stable and reliable working performance.
Realizing the technical solution of the utility model is：A kind of arc quenching system of residual current action breaker, including magnetic conduction
Arc angle, tripping mechanism, static contact, moving contact, run-on tab, magnetic conduction arc plate, conducting system, magnetic conduction sheet, arc separating wall, arc-chutes, let out
Arc passage, yoke, wherein run-on tab use the cambered surface bending structure of both ends extension, wherein setting one is similar below left arc ignition face
The magnetic conduction arc plate of arc, left elongated end extend to arc-chutes segmentation end, and right elongated end is weldingly connected with conducting system, run-on tab
Bending circular arc it is adjacent with moving contact；Magnetic conduction arc angle is positioned over the inside of static contact, and direction is consistent with the arc of static contact, stationary contact
Head is welded in the yoke in electromagnetic system, is increased and be have adjusted the distance between dynamic/static contact；Arc separating wall and magnetic conduction sheet are each a piece of
Respectively the lower section of arc separating wall is placed on positioned at top surface and the bottom surface of run-on tab and static contact, magnetic conduction sheet；Arc-chutes are located at electromagnetic system
In yoke and run-on tab between, opening direction is towards arc ignition face；Breaker is led when overload, short circuit or earth leakage protective act
The push rod of thermal element, electromagnetic system in electric system or electric leakage executing agency can promote tripping mechanism, tripping mechanism action, drive
Moving contact moves, and separates dynamic/static contact, circuit is cut off.
In above-mentioned technical proposal, the run-on tab uses the cambered surface bending structure of both ends extension, and overall structure is similar to one
Top is " eight " word of " inverted U " connection, is prolonged by left elongated end, left arc ignition face, striking muscle, bending circular arc, right arc ignition face and the right side
End composition is stretched, wherein left elongated end is horizontally disposed class rectangle flat structure, least significant end is relatively wide, is connected with left arc ignition face
Part relative narrower, it is easy to firm installation and places；Left arc ignition face top sets a raised strip striking muscle, striking muscle edge
Cambered surface extends to left elongated end；Arc fold bending forms similar " inverted U " structure upwardly for left striking, wherein top bending part is folding
Bent arc, during gate-dividing state, the distance about 2.5mm to 3.5mm between bending circular arc and the moving contact, at left and right sides of bending circular arc
It is connected respectively with left arc ignition face, right arc ignition face, electric current flows through the sense of current of two arc ignition faces on the contrary, producing magnetic field, right arc ignition face
The front and rear sides of middle and lower part are symmetrical arranged two wedge striking wings, and the striking wing can easily realize installation positioning, right arc ignition face
It is connected with right elongated end, right elongated end is the flattened rectangular structure of vertical bending, wherein vertical dogleg section and conducting system weldering
End is connect to weld together.
In above-mentioned technical proposal, the raised striking muscle set extends to left elongated end in left arc ignition face, and enters arc extinguishing
End is split in room, electric arc can be effectively introduced into arc-chutes, plays the effect for strengthening arc extinguishing.
In above-mentioned technical proposal, one block of magnetic conduction arc plate similar with left arc ignition face arc, magnetic conduction are set below left arc ignition face
Arc plate is a flat rectangular strip arcuate structure, is easy to process, installs, and magnetic conduction arc plate has the function that to produce magnetic, can enter one
Step strengthens arc quenching effect.
In above-mentioned technical proposal, magnetic conduction arc angle is class " the arc transition bending structures of V " shapes, as production magnetic, magnetic conduction arc angle
Middle part sets neck, right-hand member to set bayonet socket, in that context it may be convenient to which intercalation installs Convenient steady inside static contact.
In above-mentioned technical proposal, magnetic conduction sheet is arranged on below arc separating wall, and magnetic conduction sheet is arranged on striking plate top surface, and arc separating wall is set
Put in static contact bottom surface.
In above-mentioned technical proposal, arc-chutes are arranged between the yoke in electromagnetic system and run-on tab, its opening direction pair
Arc ignition face.
In above-mentioned technical proposal, moving contact uses S-shaped structure, and a groove, moving contact are set above moving contact contact point
End sets a long arc shape arc leading angle, and caused electric arc will not move upwards in contact separation process, but pass through striking
Angular lower guiding, then the bending circular arc quickly downward striking by run-on tab, are produced by left arc ignition face and right arc ignition face reverse current
Raw magnetic blow-out effect, electric arc are directed to rapidly striking muscle and enter arc-chutes along the downward striking of continuation of muscle face.
In above-mentioned technical proposal, static contact is arcuate structure, the one end for the yoke being welded in electromagnetic system, increases and adjusts
The distance between whole dynamic/static contact；When dynamic/static contact separates, electric arc draws downwards along static contact curved surfaces, in magnetic conduction arc angle
The yoke surfaces in electromagnetic system are quickly moved under caused magnetic blow-out effect.
In above-mentioned technical proposal, the rectangular indentation that arc passage is arranged on housing is let out, closing is used on the left of passage
Formula structure is isolated, and prevents electric arc from eroding influence to the electronic control system of breaker.
In above-mentioned technical proposal, dynamic/static contact is separated, and electric arc is in upper and lower arc separating wall, magnetic conduction sheet caused by dynamic/static contact both ends
Constantly elongate and move along run-on tab and yoke both ends respectively under air-blowing and magnetic blow-out effect with magnetic conduction arc plate, eventually enter into arc-chutes
Electric arc segmentation cooling is carried out, so as to quick blow-out, electric arc enters residual arc passage by arc-chutes end, then is led to by the arc of letting out of bottom
Road carries out release of pressure.
The utility model has following technique effect：It is run-on tab in the arc quenching system of residual current action breaker, dynamic
The decoration structure features simple design of each functional parts such as contact, static contact, magnetic conduction arc angle, magnetic conduction arc plate, magnetic conduction sheet, arc separating wall, it is easy to add
Work and install convenient consolidates；The arc leading and suppressing speed of arc quenching system is fast, the time is short, larger ablation will not be carried out to contact, to cutting
Disconnected high-current circuit or short circuit breaking capacity positive effect, electric arc magnetic blow-out and air-blowing efficiency high, significantly improve product short circuit breaking
Ability and service life.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment arc quenching system.
Fig. 2 is the utility model embodiment arc quenching system head-up position schematic diagram.
Fig. 3 is the utility model embodiment arc quenching system rear view position schematic diagram.
Fig. 4 is breaker closure state arc quenching system schematic diagram in the utility model embodiment.
Fig. 5 is breaker off-state arc quenching system schematic diagram in the utility model embodiment.
Fig. 6 is run-on tab structural representation in the utility model embodiment.
Fig. 7 is magnetic conduction arc plate structure schematic diagram in the utility model embodiment.
Fig. 8 is magnetic conduction arc angle structural representation in the utility model embodiment.
1 magnetic conduction arc angle, 101 necks, 102 bayonet sockets, 2 tripping mechanisms, 3 static contacts, 4 moving contacts, 5 run-on tabs, 51 in figure
Left arc ignition face, 52 right arc ignition faces, the 521 striking wings, 53 bending circular arcs, 54 striking muscle, 55 left elongated ends, 56 right elongated ends, 6 are led
Arc passage, 12 yokes are let out in magnetic arc plate, 7 conducting systems, 8 magnetic conduction sheets, 9 arc separating walls, 10 arc-chutes, 11.
Embodiment
A kind of arc quenching system for residual current action breaker that the utility model embodiment provides, as shown in Figure 1, Figure 2 and Fig. 3
Shown, arc quenching system includes magnetic conduction arc angle 1, tripping mechanism 2, static contact 3, moving contact 4, run-on tab 5, magnetic conduction arc plate 6, conductive system
System 7, magnetic conduction sheet 8, arc separating wall 9, arc-chutes 10, arc passage 11, yoke 12 are let out, the run-on tab 5 wherein in arc quenching system uses two
The cambered surface bending structure of extension is held, wherein the lower section of left arc ignition face 51 sets the magnetic conduction arc plate 6 of a similar arc, left elongated end 55
Extend to arc-chutes 10 and split end, right elongated end 56 is weldingly connected with conducting system 7, the bending circular arc of run-on tab 5 after installation
53 keep 2.5mm to 3.5mm distance with moving contact 4 under gate-dividing state；Magnetic conduction arc angle 1 is positioned over the inside of static contact 3, side
To consistent with the arc of static contact 3, static contact 3 is welded in yoke 12, is increased and be have adjusted the distance between dynamic/static contact；
Magnetic conduction arc plate 6 is located at the lower section of run-on tab 5, and arc separating wall 9 and magnetic conduction sheet 8 are each a piece of respectively positioned at the top of run-on tab 5 and static contact 3
Face and bottom surface, magnetic conduction sheet 8 are placed on the lower section of arc separating wall 9, and arc-chutes 10 are between yoke 12 and run-on tab 5, opening direction pair
Arc ignition face, breaker when overload, short circuit or earth leakage protective act, the push rod of thermal element, electromagnetic system in conducting system 7 or
Electric leakage executing agency can promote tripping mechanism 2, and tripping mechanism 2 acts, and drive moving contact 4 to move, separate dynamic/static contact, so
Circuit is cut off, and electric arc can be produced in contact separation process, and because design is fluted above the contact point of S-shaped moving contact 4, electric arc is not
It can upwards move, but be guided downwards by the end long arc shape arc leading angle 41 of moving contact 4, then be justified by the bending of run-on tab 5
The quickly downward striking of arc 53, being flowed through the sense of current by left cambered plate 51 and right cambered plate 52, conversely caused magnetic blow-out acts on, electric arc
Downward striking is continued in the rapid surface of striking muscle 54 for leading to projection along muscle face, and the electric arc other end is downward along the curved surfaces of static contact 3
Draw, the surface of yoke 12 quickly moved under the magnetic blow-out effect of magnetic conduction arc angle 1, electric arc in upper and lower arc separating wall 9 and magnetic conduction sheet 8 and
Constantly elongate and move along yoke 12 and the both ends of run-on tab 5 under air-blowing and the magnetic blow-out effect of magnetic conduction arc plate 6, proceed immediately to arc-chutes
10 carry out electric arc segmentation cooling, and so as to quick blow-out, electric arc enters residual arc passage, then letting out by bottom by the end of arc-chutes 10
Arc passage 11 carries out release of pressure, and circuit breaker closing conjunction state arc quenching system schematic diagram is as shown in figure 4, breaker off-state arc quenching system
Schematic diagram will not be carried out larger to contact as shown in figure 5, arc quenching system arc leading and suppressing speed in the present embodiment is fast, the time is short
Ablation, it is obvious to cut-out high-current circuit or short circuit breaking capacity test effect.
In the present embodiment, as shown in fig. 6, cambered surface bending structure of the run-on tab 5 using both ends extension, overall structure is similar to one
Individual top is " eight " word of " inverted U " connection, is drawn by left elongated end 55, left arc ignition face 51, striking muscle 54, bending circular arc 53, the right side
Cambered surface 52 and right elongated end 56 form, wherein left elongated end 55 is horizontally disposed class rectangle flat structure, least significant end is relatively
Width, and the connected component relative narrower of left arc ignition face 51, it is easy to firm installation and places；The left top of arc ignition face 51 sets a projection
Strip striking muscle 54, striking muscle 54 extends to left elongated end 55 along cambered surface；Left 51 upward arc fold bending of arc ignition face forms similar
" inverted U " structure, wherein top bending part is bending circular arc 53, during gate-dividing state, the distance between bending circular arc 53 and moving contact 4
About 2.5mm to 3.5mm, the left and right sides of bending circular arc 53 are connected with left arc ignition face 51, right arc ignition face 52 respectively, and electric current flows through two and drawn
The sense of current of cambered surface is on the contrary, produce magnetic field, the front and rear sides of the right middle and lower part of arc ignition face 52 are symmetrical arranged two wedge striking wings
521, the striking wing 521 can easily realize installation positioning, and right arc ignition face 52 is connected with right elongated end 56, and right elongated end 56 is perpendicular
To the flattened rectangular structure of bending, wherein vertical dogleg section and the welding ends of conducting system 7 weld together.
In the present embodiment, the raised striking muscle 54 set in left arc ignition face 51,55 left elongated ends are extended downward into, and enter
Split end to arc-chutes 10, electric arc can be effectively introduced into arc-chutes 10, play the effect for strengthening arc extinguishing.
In the present embodiment, as shown in fig. 7, the lower section of left arc ignition face 51 sets one piece of magnetic conduction similar with the left arc of arc ignition face 51
Arc plate 6, magnetic conduction arc plate 6 are a flat rectangular strip arcuate structures, are easy to process, install, and magnetic conduction arc plate 6 has the work of production magnetic
With can further strengthen arc quenching effect.
In the present embodiment, as shown in figure 8, magnetic conduction arc angle 1 is class " the arc transition bending structures of V " shapes, as production magnetic, lead
The middle part of magnetic arc angle 1 sets two necks 101, right-hand member termination to set two bayonet sockets 102, in that context it may be convenient to which intercalation is in static contact 3
Portion, Convenient steady is installed.
In the present embodiment, magnetic conduction sheet 8 is arranged on the lower section of arc separating wall 9, and magnetic conduction sheet 8 is arranged on the top surface of run-on tab 5, arc separating wall 9
It is arranged on the bottom surface of static contact 3.
In the present embodiment, arc-chutes 10 are arranged between yoke 12 and run-on tab 5, and its opening direction is against arc ignition face.
In the present embodiment, moving contact 4 uses S-shaped structure, and a groove, the end of moving contact 4 are set above the contact point of moving contact 4
End sets a long arc shape arc leading angle 41, and caused electric arc will not move upwards in contact separation process, but pass through striking
Angle 41 guides downwards, then the quickly downward striking of bending circular arc 53 by run-on tab 5, anti-by left arc ignition face 51 and right arc ignition face 52
Acted on to magnetic blow-out caused by electric current, electric arc is directed to rapidly striking muscle 54 and enters arc-chutes 10 along the downward striking of continuation of muscle face.
In the present embodiment, static contact 3 is arcuate structure, the one end for the yoke 12 being welded in electromagnetic system, increases and adjusts
The distance between whole dynamic/static contact；When dynamic/static contact separates, electric arc draws downwards along the curved surfaces of static contact 3, in magnetic conduction arc
The surface of yoke 12 is quickly moved under magnetic blow-out effect caused by angle 1.
In the present embodiment, the rectangular indentation that arc passage 11 is arranged on housing is let out, is used on the left of passage closed
Structure is isolated, and prevents electric arc from eroding influence to the electronic control system of breaker.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.There is no need and unable to give all embodiments
It is exhaustive.And these belong to the obvious changes or variations that connotation of the present utility model is extended out and still fall within this practicality
New protection domain.
Claims (10)
1. a kind of arc quenching system of residual current action breaker, including magnetic conduction arc angle, tripping mechanism, static contact, moving contact, draw
Arc plate, magnetic conduction arc plate, conducting system, magnetic conduction sheet, arc separating wall, arc-chutes, let out arc passage, yoke, it is characterised in that：Wherein striking
Plate uses the cambered surface bending structure of both ends extension, wherein setting the magnetic conduction arc plate of an arc, left elongated end below left arc ignition face
Arc-chutes segmentation end is extended to, right elongated end is weldingly connected with conducting system, and the bending circular arc of run-on tab is adjacent with moving contact；
Magnetic conduction arc angle is positioned over the inside of static contact, and direction is consistent with the arc of static contact, and static contact is welded on the magnetic in electromagnetic system
On yoke；Arc separating wall and each a piece of top surface and bottom surface for being located at run-on tab and static contact respectively of magnetic conduction sheet, magnetic conduction sheet are placed on arc separating wall
Lower section；Breaker when overload, short circuit or earth leakage protective act, the push rod of thermal element, electromagnetic system in conducting system or
Electric leakage executing agency can promote tripping mechanism, tripping mechanism action, drive moving contact motion, separate dynamic/static contact, circuit quilt
Cut-out.
A kind of 2. arc quenching system of residual current action breaker according to claim 1, it is characterised in that：Wherein striking
Plate uses the cambered surface bending structure of both ends extension, and overall structure is that a top is " inverted U " connection " eight " word, by left extension
End, left arc ignition face, striking muscle, bending circular arc, right arc ignition face and right elongated end composition, wherein left elongated end is horizontally disposed class
Flat rectangular structure, least significant end is relatively wide, and left arc ignition face connected component relative narrower, is easy to firm installation and places；It is left
Arc ignition face top sets a raised strip striking muscle, and striking muscle extends to left elongated end along cambered surface；Left striking arc upwardly
Shape bending forms " inverted U " structure, wherein top bending part be bending circular arc, during gate-dividing state, bending circular arc with it is described dynamic tactile
Distance about 2.5mm to 3.5mm between head, the bending circular arc left and right sides are connected with left arc ignition face, right arc ignition face respectively, and electric current flows through
The sense of current of two arc ignition faces is on the contrary, produce magnetic field, the front and rear sides of right arc ignition face middle and lower part are symmetrical arranged two wedge strikings
The wing, the striking wing can easily realize installation positioning, and right arc ignition face is connected with right elongated end, and right elongated end is the flat of vertical bending
Flat rectangular structure, wherein vertical dogleg section and conducting system welding ends weld together.
A kind of 3. arc quenching system of residual current action breaker according to claim 1, it is characterised in that：Wherein a left side is drawn
The raised striking muscle set extends to left elongated end in cambered surface, and enters arc-chutes segmentation end.
A kind of 4. arc quenching system of residual current action breaker according to claim 1, it is characterised in that：Wherein a left side is drawn
One block of magnetic conduction arc plate being engaged with left arc ignition face arc is set below cambered surface, and magnetic conduction arc plate is a flat rectangular strip arc
Structure.
A kind of 5. arc quenching system of residual current action breaker according to claim 1, it is characterised in that：Wherein magnetic conduction
Arc angle is class " the arc transition bending structures of V " shapes, as production magnetic, set neck, right-hand member that bayonet socket is set in the middle part of magnetic conduction arc angle, can
With convenient intercalation inside static contact, Convenient steady is installed.
A kind of 6. arc quenching system of residual current action breaker according to claim 1, it is characterised in that：Wherein magnetic conduction
Piece is arranged on below arc separating wall, and magnetic conduction sheet is arranged on striking plate top surface, and arc separating wall is arranged on static contact bottom surface.
A kind of 7. arc quenching system of residual current action breaker according to claim 1, it is characterised in that：Wherein arc extinguishing
Room is arranged between the yoke in electromagnetic system and run-on tab, and its opening direction is against arc ignition face.
A kind of 8. arc quenching system of residual current action breaker according to claim 1, it is characterised in that：It is wherein dynamic to touch
Head uses serpentine structure, and a groove is set above moving contact contact point, and moving contact end sets a long arc shape arc leading angle.
A kind of 9. arc quenching system of residual current action breaker according to claim 1, it is characterised in that：Wherein stationary contact
Head is arcuate structure, the one end for the yoke being welded in electromagnetic system.
A kind of 10. arc quenching system of residual current action breaker according to claim 1, it is characterised in that：Wherein let out
Arc passage is arranged to a rectangular indentation on housing, is isolated on the left of passage using enclosed construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720240640.9U CN206726990U (en) | 2017-03-13 | 2017-03-13 | A kind of arc quenching system of residual current action breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720240640.9U CN206726990U (en) | 2017-03-13 | 2017-03-13 | A kind of arc quenching system of residual current action breaker |
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| Publication Number | Publication Date |
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| CN206726990U true CN206726990U (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720240640.9U Active CN206726990U (en) | 2017-03-13 | 2017-03-13 | A kind of arc quenching system of residual current action breaker |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653431A (en) * | 2017-03-13 | 2017-05-10 | 新驰电气有限公司 | Arc extinguishing system of residual current operated circuit breaker |
| CN109192631A (en) * | 2018-10-12 | 2019-01-11 | 上海永继电气股份有限公司 | Arc extinguishing system of circuit breaker and breaker |
-
2017
- 2017-03-13 CN CN201720240640.9U patent/CN206726990U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653431A (en) * | 2017-03-13 | 2017-05-10 | 新驰电气有限公司 | Arc extinguishing system of residual current operated circuit breaker |
| CN109192631A (en) * | 2018-10-12 | 2019-01-11 | 上海永继电气股份有限公司 | Arc extinguishing system of circuit breaker and breaker |
| CN109192631B (en) * | 2018-10-12 | 2024-04-16 | 上海永继电气股份有限公司 | Arc extinguishing system of circuit breaker and circuit breaker |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 325600 Xinguang Industrial Zone, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Xinchi Electric Group Co.,Ltd. Address before: 325604 Fangdouyan Industrial Zone, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: SUNTREE ELECTRIC Co.,Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang nuodean Power Technology Co.,Ltd. Assignor: Xinchi Electric Group Co.,Ltd. Contract record no.: X2023980040951 Denomination of utility model: An arc extinguishing system for residual current operated circuit breakers Granted publication date: 20171208 License type: Common License Record date: 20230901 |