CN103050344B - Rotation double-breakpoint movable contact module - Google Patents
Rotation double-breakpoint movable contact module Download PDFInfo
- Publication number
- CN103050344B CN103050344B CN201110310339.8A CN201110310339A CN103050344B CN 103050344 B CN103050344 B CN 103050344B CN 201110310339 A CN201110310339 A CN 201110310339A CN 103050344 B CN103050344 B CN 103050344B
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- China
- Prior art keywords
- hole
- axle
- connecting rod
- bar block
- bridge
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- 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
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/20—Bridging contacts
- H01H1/2041—Rotating bridge
- H01H1/2058—Rotating bridge being assembled in a cassette, which can be placed as a complete unit into a circuit breaker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/20—Bridging contacts
- H01H1/2041—Rotating bridge
- H01H1/205—Details concerning the elastic mounting of the rotating bridge in the rotor
-
- 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
- H01H73/045—Bridging contacts
Landscapes
- Breakers (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Fuses (AREA)
Abstract
The invention discloses a rotation double-breakpoint movable contact module, comprising a rod-shaped block rotor, a first connection rod, a second connection rod and a contact bridge, wherein the rod-shaped block rotor is single-phase and independent; the centre of the rod-shaped block rotor is provided with a first through-hole, and a first axle is arranged in the first through-hole; a first recess is arranged on each axial side surface of the rod-shaped block rotor; a contact spring is mounted in the first recess, and can move in a range defined by the first recess; the first connection rod is mounted onto the rod-shaped block rotor; a second axle penetrates through the first connection rod; the second axle and a third axle respectively penetrate through the second connection rod; the contact bridge is arranged to penetrate through the rod-shaped block rotor; the out profile of the contact bridge is centrally symmetrical; the first axle and the third axle respectively penetrate through the contact bridge; and contacts are welded onto the two sides end point of the contact bridge. The rotation double-breakpoint movable contact module provided by the invention can realize the quick opening of the movable contact without springback when a large current short-circuit occurs, and keep the pressure balance between two contact points.
Description
Technical field
The present invention relates to the contact module of circuit breaker, more particularly, relate to the rotation double-breakpoint movable contact module in circuit breaker operation mechanism.
Background technology
The double breaking points form of breaker of plastic casing is one of developing direction of current breaker of plastic casing product, contact module part receives very large attention as the part that breaker of plastic casing is important, the present age, novel circuit breaker with plastic casing substantially all adopted rotating dual-breakpoint moving contact structure, version is various, the rotation moving contact structure with additional function is no lack of in similar products at home and abroad, its main additional function is the anti-rebound function of automatic clamping after contact is scolded out by electrodynamic repulsion force, rotating dual-breakpoint moving contact structure of the present invention traditional structure different from the past, there is provided a kind of structure simple, reliability is splendid, less the scolding of part used is opened and is blocked device.Touch bridge once scold out a smaller angle by electrodynamic repulsion force, tactile bridge can be stuck in clearance between open contacts extreme position rapidly by gripping mechanism; Another problem that must solve of rotating dual-breakpoint contact structure is the balance keeping both sides contact pressures, and the present invention can increase substantially and press equilibrium of forces between two groups of contacts and the requirement making it meet to expect contact pressure; Also have spring protection structure in addition, protection spring is not subject to the damage of electric arc or metallic.
Application number is 200810040543.0, publication No. is the revolving double breakpoints structure that the patent application of CN101320659A discloses a kind of breaker of plastic casing, comprise: bar block rotor, axial geometric center has axis hole, axial both sides have several centrosymmetric connecting rod through hole, axial two ends have centrosymmetric interlock hole, and radial center has tactile bridge through hole, the sidewall of radial both sides have opening and touch bridge for placing; Touch bridge, be placed in the opening of bar block rotor through touching bridge through hole, the axial geometric center touching bridge has the second through hole, aims at the axis hole of bar block rotor, and the second axle is through the second through hole and axis hole, and tactile bridge has several centrosymmetric first through hole; One group of connecting rod, each has connecting hole and protruding minor axis, and connecting hole aims at first through hole touched on bridge, and one group of first axle is each passed through the connecting hole and the first through hole that are aligned with each other, and projection minor axis is placed in the epitrochanterian connecting rod through hole of bar block; One group of touch spring, the two ends of each are separately fixed on centrosymmetric two the first axles.
The revolving double breakpoints structure that above-mentioned patent application discloses at tactile bridge, utilization be slide block mechanism, non-linkage, slide block mechanism is completely different from the mechanical movement track of linkage, and slide block mechanism easily causes sliding friction to impact kinematic dexterity.Moreover in bar block rotor, there is installing hole, make assembly sequency more, assemble easy not.
Summary of the invention
The present invention is intended to the novel rotation double-breakpoint movable contact module structure proposed in a kind of breaker of plastic casing contact module, realizes rotating dual-breakpoint moving contact big current short circuit breaking moving contact and opens not resilience, two contact contact pressure balances fast.
According to the present invention, propose a kind of rotation double-breakpoint movable contact module, comprising:
Bar block rotor, bar block rotor is single-phase independence, the center of bar block rotor has the first through hole, first axle is installed in the first through hole, bar block rotor has the first groove on each side of axis, in first groove, touch spring is installed, moves in the scope that touch spring can limit at the first groove;
First connecting rod, is arranged on bar block rotor, and the second axle is through first connecting rod;
Second connecting rod, the second axle and the 3rd axle are each passed through second connecting rod;
Touch bridge, arrange through bar block rotor, touch the outline Central Symmetry of bridge, the first axle and the 3rd axle are each passed through tactile bridge, touch bridge and are welded with contact at the end points of both sides.
In one embodiment, bar block rotor is on each side of axis, there is the centrosymmetric interlock hole of two relative bar block rotors and the centrosymmetric semicircle slotted eye of two relative bar block rotors, the line of the geometric center in wherein on the same side of axis two interlock holes becomes fixing angle with between the line of centres of two semicircle slotted eyes on the same side of axis, is positioned at interlock hole on axial not ipsilateral and semicircle slotted eye is axially concentric separately; Bar block rotor has irregular through hole in radial direction, and the width of irregular through hole makes tactile bridge to pass, and bar block rotor also has the second groove in radial direction, and the second groove is arranged around each semicircle slotted eye.
In one embodiment, irregular through hole has two centrosymmetric first surfaces, and first surface coordinates with the outline of tactile bridge, and restriction is touched the initial pressure position of bridge and maximumly scolded open position.The outline touching bridge has centrosymmetric two section of second curved surface, and the second curved surface coordinates with first surface.
In one embodiment, in two axially concentric semicircle slotted eyes, install first connecting rod, first connecting rod is with semicircle slotted eye for center of rotation is slided in the second groove, and the rotational angle of first connecting rod is limited by the length of the second groove.The both sides of first connecting rod have minor axis outwardly and the second through hole respectively, and minor axis coordinates with semicircle slotted eye, and the second through hole coordinates with the second axle; The planar thickness of first connecting rod is not more than the degree of depth of the second groove.
In one embodiment, second connecting rod has third through-hole and fourth hole respectively at two ends, and wherein third through-hole coordinates with the second axle, and fourth hole coordinates with the 3rd axle.
In one embodiment, tactile bridge has two centrosymmetric fifth holes, installs the 3rd axle in fifth hole; The center of touching bridge has mounting hole, and the first axle is arranged in mounting hole, and the first axle can slide along flute length direction in mounting hole, and the flute length direction of mounting hole becomes fixed angle with the contact weld face of tactile bridge welding contact.
In one embodiment, touch spring hangs on two centrosymmetric second axles, and moves in the first groove of bar block rotor.
Rotation double-breakpoint movable contact module of the present invention can realize rotating dual-breakpoint moving contact big current short circuit breaking moving contact and open not resilience and two contact contact pressure balances fast.
Accompanying drawing explanation
The above and other features of the present invention, character and advantage become more obvious below in conjunction with accompanying drawing to the description of embodiment by passing through, and in the accompanying drawings, identical Reference numeral represents identical feature all the time, wherein:
Fig. 1 a, 1b, 1c, 1d and 1e disclose the Standard figure of the rotation double-breakpoint movable contact module according to one embodiment of the invention.
Fig. 2 a and 2b discloses the tactile bridge of the rotation double-breakpoint movable contact module according to one embodiment of the invention.
Fig. 3 a, 3b, 3c and 3d disclose the bar block rotor of the rotation double-breakpoint movable contact module according to one embodiment of the invention.
Fig. 4 a, 4b and 4c disclose the first connecting rod of the rotation double-breakpoint movable contact module according to one embodiment of the invention.
Fig. 5 a and 5b discloses the second connecting rod of the rotation double-breakpoint movable contact module according to one embodiment of the invention.
Fig. 6 discloses according to the rotation double-breakpoint movable contact module of one embodiment of the invention structural representation at open position or trip positions.
Fig. 7 discloses according to the rotation double-breakpoint movable contact module of one embodiment of the invention structural representation at closing position.
Fig. 8 discloses the structural representation of rotation double-breakpoint movable contact module in dead-centre position according to one embodiment of the invention.
Fig. 9 discloses according to the rotation double-breakpoint movable contact module of one embodiment of the invention at maximum structural representation of scolding open position.
Figure 10 a and Figure 10 b discloses according to the rotation double-breakpoint movable contact module of one embodiment of the invention structural representation at uneven forced position.
Embodiment
The present invention proposes a kind of rotation double-breakpoint movable contact module.Fig. 1-Figure 10 discloses the rotation double-breakpoint movable contact module according to one embodiment of the invention.This rotation double-breakpoint movable contact module comprises: bar block rotor 101, first connecting rod 102, second connecting rod 103, tactile bridge 104, first axle 105, second axle 106, the 3rd axle 107 and touch spring 108.
Bar block rotor 101 is single-phase independence, the center of bar block rotor 101 has the first through hole 110, first axle 105 is installed in first through hole 110, bar block rotor 101 has the first groove 111 on each side of axis, in first groove 111, touch spring 108 is installed, moves in the scope that touch spring 108 can limit at the first groove 111.
First connecting rod 102 is arranged on bar block rotor 101, and the second axle 106 is through first connecting rod 102.
Second axle 106 and the 3rd axle 107 are each passed through second connecting rod 103.
Touch bridge 104 to arrange through bar block rotor 101, touch the outline Central Symmetry of bridge 104, the first axle 105 and the 3rd axle 107 are each passed through tactile bridge 104, touch bridge 104 and are welded with contact at the end points of both sides.
Fig. 3 a, 3b, 3c and 3d disclose the bar block rotor of the rotation double-breakpoint movable contact module according to one embodiment of the invention.Bar block rotor 101, on each side of axis, has the centrosymmetric interlock hole 112 of two relative bar block rotors 101 and the centrosymmetric semicircle slotted eye 113 of two relative bar block rotors.The sum of interlock hole 112 and semicircle slotted eye 113 is 4.The line of the geometric center on the same side of axis two interlock holes 112 becomes fixing angle with between the line of centres of two semicircle slotted eyes 113 on the same side of axis, be positioned at interlock hole 112 on axial not ipsilateral and semicircle slotted eye 113 each axially concentric naturally.Bar block rotor 101 has irregular through hole 114 in radial direction, and the width of irregular through hole 114 makes tactile bridge 104 to pass.Irregular through hole 114 has two centrosymmetric first surfaces 116, and first surface 116 coordinates with the outline of tactile bridge 104, and restriction is touched the initial pressure position of bridge 104 and maximumly scolded open position.Bar block rotor 101 also has the second groove 115, second groove 115 in radial direction and arranges around each semicircle slotted eye 113, and therefore, the quantity of the second groove 115 is similarly 4.
Fig. 2 a and 2b discloses the tactile bridge of the rotation double-breakpoint movable contact module according to one embodiment of the invention.Touch bridge 104 and there are two centrosymmetric fifth holes 140, the 3rd axle the 107, three axle 107 is installed in fifth hole 140 and coordinates with minim gap with fifth hole 140.The center of touching bridge 104 has mounting hole 141, first axle 105 is arranged in mounting hole 141, first axle 105 and mounting hole 141 coordinate with minim gap and can slide along flute length direction in mounting hole 141, and the flute length direction of mounting hole 141 becomes fixed angle with the contact weld face of tactile bridge 104 welding contact.Select optimum angle can guarantee both sides contact pressure balance by calculating.The outline touching bridge 104 has centrosymmetric two section of second curved surface 142, second curved surface 142 and coordinates with the first surface 116 on irregular through hole 114, and first surface 116 and the second curved surface 142 coordinate with minim gap.
Fig. 4 a, 4b and 4c disclose the first connecting rod of the rotation double-breakpoint movable contact module according to one embodiment of the invention.First connecting rod 102 is arranged in two axially concentric semicircle slotted eyes 113, and first connecting rod 102 is that center of rotation is slided in the second groove 115 with semicircle slotted eye 113, and the rotational angle of first connecting rod 102 is limited by the length of the second groove 115.The both sides of first connecting rod 102 have minor axis 120 outwardly and the second through hole 121 respectively, and minor axis 120 coordinates with semicircle slotted eye 113, and the second through hole 121 coordinates with the second axle 106.Second axle 106 passes the second through hole 121 and coordinates with the second through hole 121 with minim gap.The planar thickness of first connecting rod 102 is not more than the degree of depth of the second groove 115, to guarantee that the second groove 115 effectively can limit the scope of activities of first connecting rod 102.The plane outline of first connecting rod 102 does not affect itself rotating freely in certain angular range.
Fig. 5 a and 5b discloses the second connecting rod of the rotation double-breakpoint movable contact module according to one embodiment of the invention.Second connecting rod 103 has third through-hole 130 and fourth hole 131 respectively at two ends, wherein third through-hole 130 coordinates with the second axle 106, and fourth hole 131 coordinates with the 3rd axle 107.
First axle 105 all coordinates with minim gap with the first through hole 110 and mounting hole 141 along the axial direction of bar block rotor 101 through the first through hole 110 of bar block rotor 101 and mounting hole 141, first axle 105 of tactile bridge 104.Two the second axles 106 in Central Symmetry mode along the axial direction of bar block rotor 101 through the second through hole 121 of first connecting rod 102 and the third through-hole 130 of second connecting rod 103.Touch spring 108 hangs on two centrosymmetric second axles 106.Touch spring 108 moves in the first groove 111 of the axial both sides of bar block rotor 101.3rd axle 107 in Central Symmetry mode along the axial direction of bar block rotor 101 through the fourth hole 131 of second connecting rod 103 and the fifth hole 140 of tactile bridge 104.
Fig. 6-Figure 10 discloses the operation principle of the rotation double-breakpoint movable contact module according to one embodiment of the invention.Wherein Fig. 6 discloses the structural representation at open position or trip positions, Fig. 7 discloses the structural representation at closing position, Fig. 8 discloses the structural representation in dead-centre position, Fig. 9 discloses at maximum structural representation of scolding open position, and Figure 10 discloses the structural representation at uneven forced position.
When breaker open operation position, now under the effect of touch spring pulling force, connecting rod counterclockwise stressed rotation, by the first axle by force transmission to first connecting rod, force first connecting rod to be rotated counterclockwise, simultaneously by the quadric chain that first connecting rod 1, second connecting rod and tactile bridge are formed, force tactile bridge to be rotated counterclockwise, final the second curved surface touching bridge relies on the first surface of bar block rotor, and rotation double-breakpoint movable contact module structure keeps as Fig. 6 position.
For circuit breaker buckle position, it is identical with open position, here no longer repeated description.
When breaker closing position, now under the effect of touch spring pulling force, connecting rod counterclockwise stressed rotation, by the first axle by force transmission to first connecting rod, force first connecting rod to be rotated counterclockwise, simultaneously by the quadric chain that first connecting rod, second connecting rod and tactile bridge are formed, force tactile bridge to be rotated counterclockwise, the final contact touched on bridge contacts with fixed contact, and rotation double-breakpoint movable contact module structure keeps as Fig. 7 position.
Rotation double-breakpoint movable contact module of the present invention can realize rotating dual-breakpoint moving contact big current short circuit breaking moving contact and open not resilience and two contact contact pressure balances fast.
Above-described embodiment is available to be familiar with person in the art to realize or to use of the present invention; those skilled in the art can make various modifications and change to above-described embodiment and not depart from thought of the present invention; thus protection scope of the present invention be not limit by above-described embodiment, and should be the maximum magnitude meeting the character of innovation that claim is mentioned.
Claims (7)
1. a rotation double-breakpoint movable contact module, is characterized in that, comprises
Bar block rotor, described bar block rotor is single-phase independence, the center of bar block rotor has the first through hole, first axle is installed in the first through hole, bar block rotor has the first groove on each side of axis, in first groove, touch spring is installed, move in the scope that touch spring can limit at the first groove, bar block rotor has the centrosymmetric semicircle slotted eye of two relative bar block rotors on each side of axis, the semicircle slotted eye be positioned on axial not ipsilateral is axially concentric separately, bar block rotor also has the second groove in radial direction, second groove is arranged around each semicircle slotted eye,
First connecting rod, be arranged on described bar block rotor, second axle is through first connecting rod, wherein first connecting rod is arranged in two axially concentric semicircle slotted eyes, first connecting rod with described semicircle slotted eye for center of rotation is slided in described second groove, the rotational angle of first connecting rod is limited by the length of the second groove, the both sides of described first connecting rod have minor axis outwardly and the second through hole respectively, described minor axis coordinates with semicircle slotted eye, described second through hole coordinates with the second axle, and the planar thickness of first connecting rod is not more than the degree of depth of the second groove;
Second connecting rod, the second axle and the 3rd axle are each passed through second connecting rod;
Touch bridge, arrange through described bar block rotor, touch the outline Central Symmetry of bridge, the first axle and the 3rd axle are each passed through tactile bridge, touch bridge and are welded with contact at the end points of both sides.
2. rotation double-breakpoint movable contact module as claimed in claim 1, is characterized in that,
Bar block rotor also has the centrosymmetric interlock hole of two relative bar block rotors on each side of axis, the line of the geometric center in two interlock holes wherein on the same side of axis becomes fixing angle with between the line of centres of two semicircle slotted eyes on the same side of axis, and the interlock hole be positioned on axial not ipsilateral is each axially concentric naturally;
Bar block rotor has irregular through hole in radial direction, and the width of described irregular through hole makes tactile bridge to pass.
3. rotation double-breakpoint movable contact module as claimed in claim 2, is characterized in that,
Described irregular through hole has two centrosymmetric first surfaces, and described first surface coordinates with the outline of tactile bridge, and restriction is touched the initial pressure position of bridge and maximumly scolded open position.
4. rotation double-breakpoint movable contact module as claimed in claim 3, is characterized in that,
The outline of described tactile bridge has centrosymmetric two section of second curved surface, and the second curved surface coordinates with described first surface.
5. rotation double-breakpoint movable contact module as claimed in claim 1, is characterized in that,
Described second connecting rod has third through-hole and fourth hole respectively at two ends, and wherein third through-hole coordinates with the second axle, and fourth hole coordinates with the 3rd axle.
6. rotation double-breakpoint movable contact module as claimed in claim 1, is characterized in that,
Tactile bridge has two centrosymmetric fifth holes, installs the 3rd axle in fifth hole;
The center of touching bridge has mounting hole, and the first axle is arranged in mounting hole, and the first axle can slide along flute length direction in mounting hole, and the flute length direction of mounting hole becomes fixed angle with the contact weld face of tactile bridge welding contact.
7. rotation double-breakpoint movable contact module as claimed in claim 1, is characterized in that,
Touch spring hangs on two centrosymmetric second axles, and moves in the first groove of bar block rotor.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110310339.8A CN103050344B (en) | 2011-10-13 | 2011-10-13 | Rotation double-breakpoint movable contact module |
| EP12840034.8A EP2768005B1 (en) | 2011-10-13 | 2012-09-24 | Rotation double-breakpoint movable contact module |
| ES12840034.8T ES2619710T3 (en) | 2011-10-13 | 2012-09-24 | Dual rotation mobile contact module |
| BR112014008569-2A BR112014008569B1 (en) | 2011-10-13 | 2012-09-24 | DOUBLE INTERRUPTION MOBILE CONTACT MODULE |
| PCT/CN2012/081807 WO2013053283A1 (en) | 2011-10-13 | 2012-09-24 | Rotation double-breakpoint movable contact module |
| MYPI2014001051A MY170441A (en) | 2011-10-13 | 2012-09-24 | Rotary dual breakpoint moving contact module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110310339.8A CN103050344B (en) | 2011-10-13 | 2011-10-13 | Rotation double-breakpoint movable contact module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103050344A CN103050344A (en) | 2013-04-17 |
| CN103050344B true CN103050344B (en) | 2015-01-21 |
Family
ID=48062950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110310339.8A Active CN103050344B (en) | 2011-10-13 | 2011-10-13 | Rotation double-breakpoint movable contact module |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2768005B1 (en) |
| CN (1) | CN103050344B (en) |
| BR (1) | BR112014008569B1 (en) |
| ES (1) | ES2619710T3 (en) |
| MY (1) | MY170441A (en) |
| WO (1) | WO2013053283A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465254A (en) | 2013-09-24 | 2015-03-25 | 上海电科电器科技有限公司 | Rotary double-breakpoint contact |
| CN108648969B (en) * | 2018-06-28 | 2023-12-01 | 美高电气科技有限公司 | Double-breakpoint miniature circuit breaker |
| CN110176367B (en) * | 2019-05-15 | 2021-06-22 | 深圳市泰永电气科技有限公司 | Double-breakpoint change-over switch and moving contact module thereof |
| CN113936976B (en) * | 2020-06-29 | 2024-10-11 | 上海电器股份有限公司人民电器厂 | Rotary double-breakpoint moving contact system of circuit breaker and circuit breaker |
| CN114464507A (en) * | 2022-01-28 | 2022-05-10 | 江苏辉能电气有限公司 | Double-breakpoint contact rotating device and circuit breaker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1366698A (en) * | 2000-03-13 | 2002-08-28 | 通用电气公司 | Trip override for rotary breaker |
| CN101320659A (en) * | 2008-07-14 | 2008-12-10 | 上海电器科学研究所（集团）有限公司 | Rotating double-breakpoint structure of plastic case breaker |
| CN102103948A (en) * | 2009-12-16 | 2011-06-22 | 上海电器股份有限公司人民电器厂 | Moving contact assembly of molded case circuit breaker |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6114641A (en) * | 1998-05-29 | 2000-09-05 | General Electric Company | Rotary contact assembly for high ampere-rated circuit breakers |
| US6084489A (en) * | 1998-09-08 | 2000-07-04 | General Electric Company | Circuit breaker rotary contact assembly locking system |
| DE102004059407B4 (en) * | 2004-12-09 | 2007-02-08 | Ge Power Controls Gmbh & Co. Kg | Switch shaft unit for a switch |
| CN101114556B (en) * | 2007-04-29 | 2010-06-09 | 上海电科电器科技有限公司 | Circuit breaker rotating dual-breakpoint contact system and spring protection structure |
| CN201397785Y (en) * | 2009-05-11 | 2010-02-03 | 江苏辉能电气有限公司 | Rotary double breakpoint structure of contact of low-voltage breaker |
-
2011
- 2011-10-13 CN CN201110310339.8A patent/CN103050344B/en active Active
-
2012
- 2012-09-24 BR BR112014008569-2A patent/BR112014008569B1/en active IP Right Grant
- 2012-09-24 ES ES12840034.8T patent/ES2619710T3/en active Active
- 2012-09-24 WO PCT/CN2012/081807 patent/WO2013053283A1/en active Application Filing
- 2012-09-24 MY MYPI2014001051A patent/MY170441A/en unknown
- 2012-09-24 EP EP12840034.8A patent/EP2768005B1/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1366698A (en) * | 2000-03-13 | 2002-08-28 | 通用电气公司 | Trip override for rotary breaker |
| CN101320659A (en) * | 2008-07-14 | 2008-12-10 | 上海电器科学研究所（集团）有限公司 | Rotating double-breakpoint structure of plastic case breaker |
| CN102103948A (en) * | 2009-12-16 | 2011-06-22 | 上海电器股份有限公司人民电器厂 | Moving contact assembly of molded case circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112014008569A2 (en) | 2017-04-18 |
| EP2768005B1 (en) | 2016-12-21 |
| ES2619710T3 (en) | 2017-06-26 |
| EP2768005A4 (en) | 2015-08-05 |
| BR112014008569B1 (en) | 2020-12-15 |
| WO2013053283A1 (en) | 2013-04-18 |
| EP2768005A1 (en) | 2014-08-20 |
| CN103050344A (en) | 2013-04-17 |
| MY170441A (en) | 2019-07-31 |
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