CN103077860B - Leakage tripper - Google Patents
Leakage tripper Download PDFInfo
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- CN103077860B CN103077860B CN201210584348.0A CN201210584348A CN103077860B CN 103077860 B CN103077860 B CN 103077860B CN 201210584348 A CN201210584348 A CN 201210584348A CN 103077860 B CN103077860 B CN 103077860B
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Abstract
The invention discloses a leakage tripper, comprising a machine frame, and a button, a rocker arm, a first push rod and a first lock catch which are arranged in the machine frame, wherein the two ends of the rocker arm are respectively in linkage with the button and the first push rod, and the first push rod and the first lock catch constitute a first releasable buckle; the leakage tripper also comprises a magnetic flux converter, a jump pin, a second lock catch, a second push rod and a lever, wherein the magnetic flux converter is used for receiving a residual current signal; the jump pin is arranged in opposite to the magnetic flux converter; the second lock catch and the jump pin constitute a second releasable buckle; the second push rod is arranged in the machine frame; and the upper end of the lever is in push-press fit with the second push rod, the lower end of the lever pushes against the second lock catch to constitute a third releasable buckle. Compared with the prior art, the leakage tripper has the beneficial effects that a free tripping mechanism is adopted as the mechanism of the tripper, and reliable tripping can be realized under the existence of leakage current even if a reset button is manually pressed on.
Description
Technical field
The invention belongs to Low Voltage Electrical Apparatus, particularly a kind of leakage tripping device with Aftercurrent protection circuit breaker.
Background technology
The leakage tripping device of existing band Aftercurrent protection circuit breaker is as shown in patent 03228234.6; there is the advantage of designs simplification and shortening motion transmission line; according to it, leakage tripping device is described; button, rocking arm and push pedal is provided with in frame; link with described button and described push pedal respectively in described rocking arm two ends, described push pedal horizontal direction can be slided in frame, and pushing block is arranged in the axle of push pedal; can link with push pedal, realize being coupled with breaker tripping mechanism.Lever is arranged in push pedal, can do gyration around the arc surface of push pedal; Described main force lever is provided with main spring, and the main spring active force fulcrum acted on lever is positioned at the top of push pedal, and push pedal relies on spring to make it to contact with lever compact.The upper end of lever is subject to the acting in conjunction of main spring and fixed axis, makes upper end abut against on fixed axis, can rotate around it and slide, can not move as horizontal direction;
Also comprise: one for accepting the relay of residual current signal, described relay is provided with push rod; One is oppositely arranged release link with described relay upper push-rod; A snap close be oppositely arranged with described release link; A tripping, described tripping and described snap close form a mechanical interlocking that can throw off; Described tripping is provided with short column and reduction torsion spring; Described main force's lever upper end abuts against on fixed axis, and the other end can the movement of the intercropping certain limit of set short column on the afterbody of tripping and tripping; When lever is subject to the barrier effect of the short column in tripping, tension main spring, lever is in carrying position; And after tripping is threaded off, the front end of lever slips over short column and pushes down again tripping conversely, to overcome the effect of spring to tripping; Restoring lever is provided with torque spring in advance, and when lever is in unloading position, leverage in torsion spring, thus makes release link to the suitable reset force of relay push rod one.
But there is the high and unreliable phenomenon of threading off of trigger energy needed for relay in above-mentioned patent structure, when button is pinned, if when now just in time having leakage current to exist, after relay accepts residual current signalizing activity, its push rod promotes release link, snap close and tripping are threaded off, lever swings left under the pulling force effect of main spring, pressure tripping also drives push pedal, and now push pedal is pinned by button, it is interaction relation that pushing block and push pedal link, and pushing block cannot drive the tripping mechanism of circuit breaker, therefore can not realize circuit breaker and reliably thread off.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, provides a kind of leakage tripping device, to realize the miniaturized reliability of threading off with electric leakage of circuit breaker.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of leakage tripping device, comprise frame and be arranged on button, rocking arm, the first push rod and the first snap close in frame, link with described button and described first push rod respectively in described rocking arm two ends, the first push rod and the first snap close form the first hasp that can throw off, and feature is: also comprise:
One for accepting the magnetic flow convertor of residual current signal;
A tripping be oppositely arranged with described magnetic flow convertor, can be activated by described magnetic flow convertor;
Second snap close, described second snap close and described tripping form second hasp that can throw off;
Second push rod, the second described push rod is arranged in described frame;
One lever, the upper end of described lever and the second described push rod press-fit, and its lower end and described second snap close are conflicted, and form the 3rd hasp that can throw off; Between the upper end and the lower end of lever of described lever, there is connecting portion, this connecting portion and described first push rod are rotatably assorted, described lever is provided with main spring between top and bottom, described lever is when the second described snap close and tripping are thrown off, and its upper end drives described second push rod to move horizontally under main spring effect.
The first described push rod is provided with the first hole, the second described push rod is provided with the second hole, described lever is each passed through described first hole and the second hole, and the second connecting portion hub setting of described lever is in described first hole, and the upper end of described lever is placed in described second hole.
Described second snap close has stopper section, and described stopper section, when leakage tripping device is in the close position, can stop the slip of the lower end of lever.
Described stopper section is a ball, and this ball is arranged in lock buckling groove that described second snap close is offered.
The first described push rod has arc surface corresponding on the connecting portion of lever, and this arc surface coordinates with the connecting portion pivotable of described lever.
Described lever has actuator arm, and described actuator arm can drive the first snap close, makes the first snap close and the first push rod discharge hasp state.
Described tripping afterbody has engaging groove, and the second described snap close afterbody is provided with and the engaging boss engaging groove snap fit.
Described tripping is provided with tripping reduction torsion spring, conflicts in tripping in described tripping reduction torsion spring one end, and the other end is conflicted in frame.
The second described snap close is provided with snap close reduction torsion spring, conflicts on the second snap close in described snap close reduction torsion spring one end, and the other end is conflicted on the first snap close.
First push rod and the second push rod are all connected on lever by the present invention, and the lower end of lever and described second snap close are conflicted, when magnetic flow convertor detects electric leakage, the release of lever lower end becomes free end, now, lever has two stress points, one is and the connection of the first push rod or contact point, one is and the connection of the second push rod or contact point, when the first push rod is locked, then lever under the reset response of main spring with the connection or contact point of the first push rod for fulcrum rotates, thus drive the second push rod horizontal movement to drive the push pedal be coupled with circuit breaker on the second push rod.
Compared with prior art, the usefulness of patent of the present invention is that the mechanism of release adopts free tripping mechanism, even if people is for pinning reset button, under leakage current existent condition, also can realize reliable dropout.Owing to adopting magnetic flux as driving source compared with coil, required trigger energy is little, is convenient to the Miniaturization Design of circuit breaker.
Accompanying drawing explanation
Fig. 1: be exploded perspective view of the present invention.
Fig. 2: be leakage tripping device structure front view of the present invention, wherein leakage tripping device is in the close position.
Fig. 3: be leakage tripping device structure front view of the present invention, wherein leakage tripping device is in trip position.
Fig. 4: be overall structure schematic diagram of the present invention.
Fig. 5: be internal structure schematic diagram one of the present invention.
Fig. 6: be internal structure schematic diagram two of the present invention.
Fig. 7: be structural representation one when the present invention pins button.
Fig. 8: be structural representation two when the present invention pins button.
Fig. 9: be the present invention first push rod and the first snap fit schematic diagram.
Figure 10: be the structural representation of the present invention in residual current circuit breaker.
Embodiment
Technical spirit of the present invention and beneficial effect can be fully understood in order to make the public; applicant will describe in detail the specific embodiment of the present invention below by reference to the accompanying drawings; but applicant is not the restriction to technical scheme to the description of embodiment, any changing in the form rather than substance according to the present invention's design all should be considered as protection scope of the present invention.
Refer to Fig. 1 and composition graphs 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 9,
A kind of leakage tripping device, comprise the frame be made up of two cheeks 1, two cheeks 1 of frame are provided with button 2, Rocker arm 5, first push rod 6, second push rod 7 and the first snap close 8, described button 2, slide up and down and be supported on described cheek 1, described Rocker arm 5 and described button 2 and the first push rod 6 link, one end of this Rocker arm 5 embeds in the through hole 21 of button 2, the other end embeds in the push rod chute 63 of the first push rod 6, rotate by moving Rocker arm 5 to the operating band of button 2 and drive the first push rod 6 on cheek 1, do horizontal direction slip, described first snap close 8 passes through axle 83 hub setting in two cheeks 1, namely be rotatably supported in two cheeks 1, described first snap close 8 has hook dress portion 81, this hook dress portion 81 contacts with the buckle hanging unit 62 of the first push rod 6 and coordinates and make the first push rod 6 and the first snap close 8 form the first hasp that can throw off, the first described push rod 6 and the second push rod 7 are slidably supported on described cheek 1, horizontal motion can be made in two cheeks 1, push pedal 71 is arranged on the fixed axis 73 of the second push rod 7, can link with the second push rod 7, realize being coupled with breaker tripping mechanism.
Above-mentioned a kind of leakage tripping device also comprises:
One for accepting the magnetic flow convertor 10 of residual current signal, described magnetic flow convertor 10 is provided with unshakable in one's determination 101; One with described unshakable in one's determination 101 tripping be oppositely arranged 11, second snap close 12, described second snap close 12 forms second hasp that can throw off with tripping 11.One lever 4, the upper end 42 of described lever 4 contacts press-fit with the second described push rod 7, and conflicts with described second snap close 12 in its lower end 44, forms the 3rd hasp that can throw off; Between the upper end 42 and the lower end 44 of lever of described lever 4, have connecting portion 43, this connecting portion 43 is rotatably assorted with described first push rod 6.
Described second snap close 12 has stopper section, and described stopper section is when leakage tripping device is in the close position, and the lower end 44 of stopper section and lever 4 is inconsistent, can stop the slip of the lower end 44 of lever 4.This stopper section adopts roll structure on the second snap close 12, also boss structure can be arranged to, and roll structure is preferably adopted in the stopper section of the present embodiment, specifically: ball 121 is contained in lock buckling groove 126 that the second snap close 12 is offered by axle 125 riveting that the second snap close 12 is arranged, described ball 121 can roll around axle 125 in lock buckling groove 126, advantage is, described ball 121 makes the friction between lever 4 and stopper section, rolling friction is become from sliding friction, reduce frictional force, lever 4 and the second snap close 12 is made to receive electric leakage signal at leakage tripping device, in tripping operation process, lever 4 slip away the second snap close 12 time, both unlock more reliable.Second snap close 12 is also provided with snap close reduction torsion spring 122, one end of this snap close reduction torsion spring 122 contacts with the first snap close 8, the other end contacts with the second snap close 12, for the reset of the first snap close 8 and the second snap close 12, certainly, in other embodiment, snap close reduction torsion spring 122 can independent role on the second snap close 12, the first snap close 8 is arranged in addition a torsion spring and makes it reset; Described lever 4 is provided with main spring 3, and between the upper end 42 that one end of this main spring 3 is connected to described lever 4 and connecting portion 43, the other end is connected in frame; The first described push rod 6 is provided with the first hole 61, the second described push rod 7 is provided with the second hole 72, described lever 4 is through the first hole 61 of the first push rod 6, connecting portion 43 hub setting of described lever is in described first hole 61, and described lever upper end 42 is inserted in the second hole 72 of the second push rod 7, and conflict with described second snap close 12 in described lever lower end 44, form the 3rd hasp that can throw off, and slide within the specific limits; On the upside of described hole 61, there is arc surface 611, this arc surface 611 is positioned at the connecting portion 43 described first push rod 6 also corresponding to lever 4, this arc surface 611 coordinates with connecting portion 43 pivotable of described lever 4, the active force that main spring 3 acts on lever 4 makes lever 4 near the second hole 72 and arc surface 611, can drive the first push rod 6 and the second push rod 7 horizontal motion; Described tripping 11 afterbody has engaging groove 111, the second described snap close 12 afterbody is provided with and the engaging boss 123 engaging groove 111 snap fit, this engaging boss 123 is in frame-shaped construction, when magnetic flow convertor 10 receives electric leakage signal, the engaging groove 111 of tripping 11 unlocks with the engaging boss 123 of the second snap close 12, and the engaging boss 123 of the second snap close 12 is pushed to overcome the effect of snap close reduction torsion spring 122 by the lower end 44 of lever 4 and rotates; Tripping 11 is provided with tripping reduction torsion spring 112, on axle 113 on the sheathed cheek 1 of this tripping reduction torsion spring 112, conflict in tripping 11 in described tripping reduction torsion spring 112 one end, the other end is conflicted on cheek 1, when the end that lever 4 withstands iron core 101 makes it reset, and tripping 11 also resets under the effect of tripping reduction torsion spring 112 simultaneously.
As shown in Figure 10, aforesaid leakage tripping device is positioned at the rear class of circuit breaker 9, described circuit breaker 9 has connecting rod 91, the operating mechanism of this actuatable circuit breaker 9 in connecting rod 91 one end, the other end contacts with the push pedal 71 of the second described push rod 7 and coordinates, when the push pedal 71 on the second push rod 7 promotes connecting rod 91, described connecting rod 91 sends "off" instruction to circuit breaker 9.
When leakage tripping device is in the close position (in shown Fig. 2 position):
Leakage tripping device is in the close position to be realized by pressing the button 2, and when magnetic flow convertor 10 does not discharge unshakable in one's determination 101, the engaging groove 111 of tripping 11 is in hasp state with the engaging boss 123 of the second snap close 12.Lever 4 is through the hole 61 of the first push rod 6, upper end 42 is inserted in the square hole 72 of the second push rod 7, and near square hole 72, conflict and be in hasp state by ball 121 backstop on the second snap close 12 in the lower end 44 of lever 4, the buckle hanging unit 62 of the first push rod 6 and hook dress portion 81 snap lock of the first snap close 8, first push rod 6 is locked on this position motionless, second push rod 7 is also located on relevant position motionless under the effect of lever 4, now main spring 3 is in energy storage state, and the push pedal 71 on the second push rod 7 does not contact with the connecting rod 91 of circuit breaker 9.
Leakage tripping device tripping operation process (at shown Fig. 2 location status to shown Fig. 3 location status):
When magnetic flow convertor 10 receives electric leakage signal, unshakable in one's determination 101 promote tripping 11 rotates clockwise around axle 114, the afterbody engaging groove 111 of tripping 11 engages boss 123 with the afterbody of the second snap close 12 and is separated, thus tripping 11 and the second snap close 12 unlock, when the axle 124 of the second snap close 12 on the second snap close 12 rotates counterclockwise, the lower end of lever 4 and the ball 121 of the second snap close 12 produce relative sliding, final and ball 121 disengages, the arc surface 611 of lever 4 under the pulling force effect of main spring 3 rapidly on the square hole 61 of the first push rod 6 rotates counterclockwise for fulcrum, the upper end 42 of lever 4 promotes the second push rod 7 to left movement simultaneously, when the actuator arm 41 on lever 4 stirs the bottom 82 of the first snap close 8, first snap close 8 rotates around axle 83 clockwise direction, the hook dress portion 81 of the first snap close 8 and the buckle hanging unit 62 of the first push rod 6 are unlocked, thus the first push rod 6 moves left together with lever 4 is under main spring 3 acts on the second push rod 7, lever 4 in motion process left with the ends contact of unshakable in one's determination 101, and make it reset.Simultaneously the lower end slippage of lever 4 is to the left side of ball 121, and the afterbody of tripping 11 engages groove 111 and engages boss 123 hasp again with the afterbody of the second snap close 12.Second push rod 7 is in the process of moving to left, and the push pedal 71 on the second push rod 7 promotes connecting rod 91, and described connecting rod 91 sends "off" instruction to circuit breaker 9.
What illustrate is continue to consult Fig. 2 and Fig. 3 and composition graphs 7 and Fig. 8, when pinning button 2, now the first push rod 6 is locked by button 2, can not move, when magnetic flow convertor 10 receives electric leakage signal, 101 promotion trippings 11 unshakable in one's determination rotate clockwise around axle 114, thus tripping 11 and the second snap close 12 unlock, second snap close 12 is when axle 124 rotates counterclockwise, thus the arc surface 611 of lever 4 under the pulling force effect of main spring 3 on the square hole of the first push rod 6 is rotated counterclockwise for fulcrum, the lower end of lever 4 and the ball 121 of the second snap close 12 produce relative movement, final and ball 121 disengages (as shown in Figure 8), and the upper end 42 of lever 4 rotates counterclockwise along arc surface 611 under main spring 3 acts on, thus promote the second push rod 7 to left movement, push pedal 71 subsequently on the second push rod 7 promotes connecting rod 91, described connecting rod 91 sends "off" instruction to circuit breaker 9, now the first snap close 8 is activated by the actuator arm 41 of lever 4 and departs from snap-in position.And after button 2 unclamps, lever 4 drives the first push rod 6 entirety to left movement, lever 4 in motion process left with the ends contact of unshakable in one's determination 101, and make it reset, simultaneously lower end 44 slippage of lever 4 is to the left side of ball 121, and the afterbody of tripping 11 engages groove 111 and engages boss 123 hasp again with the afterbody of the second snap close 12.
When the trip position of leakage tripping device gets back to make position (at shown Fig. 3 location status to shown Fig. 2 location status), now lever 4 withstands the end of unshakable in one's determination 101, tripping 11 rotates clockwise around axle 114 under the effect of reduction torsion spring 112, the axle 124 of the second snap close 12 under reduction torsion spring 122 acts on the second snap close 12 rotates counterclockwise, the engaging groove 111 of tripping 11 is in contact condition with the engaging boss 123 of the second snap close 12, unshakable in one's determination 101 are in reset mode, leakage tripping device is in energy storage hasp state and realizes by pressing the button 2, press the button 2 thus drive Rocker arm 5 to rotate, the first push rod 6 is driven to move right, the pulling force that the lever 4 be arranged on the first push rod 6 overcomes main spring 3 also swings to the right, because lever 4 is through the hole 61 of the first push rod 6, its upper end is inserted in the square hole 72 of the second push rod 7, and near square hole 72, and conflict on the second snap close 12 by ball 121 backstop on the second snap close 12 in its lower end, therefore the upper end of lever 4 drives the second push rod 7 level to move right, along with the first push rod 6 and the second push rod 7 move right, the buckle hanging unit 62 of the first push rod 6 and hook dress portion 81 snap lock of the first snap close 8, first push rod 6 is locked on this position motionless, main spring 3 is in energy storage state.Second push rod 7 is also located on relevant position motionless under the effect of lever 4, and the push pedal 71 on the second push rod 7 does not contact with the connecting rod 91 of circuit breaker 9.
Claims (8)
1. a leakage tripping device, comprise frame and be arranged on button (2), rocking arm (5), the first push rod (6) and the first snap close (8) in frame, link with described button (2) and described first push rod (6) respectively in described rocking arm (5) two ends, described first push rod (6) and the first snap close (8) form the first hasp that can throw off, and it is characterized in that: also comprise:
One for accepting the magnetic flow convertor (10) of residual current signal, a tripping (11) be oppositely arranged with described magnetic flow convertor (10), tripping (11) can be activated by described magnetic flow convertor (10);
Second snap close (12), described second snap close (12) and described tripping (11) form second hasp that can throw off;
Second push rod (7), described the second push rod (7) is arranged in described frame;
One lever (4), upper end (42) and described the second push rod (7) press-fit of described lever (4), and its lower end (44) and described second snap close (12) are conflicted, form the 3rd hasp that can throw off, described lever (4) has actuator arm (41), described actuator arm (41) is for driving the first snap close (8), the first snap close (8) and the first push rod (6) is made to discharge hasp state, between the upper end (42) and the lower end (44) of lever (4) of described lever (4), there is connecting portion (43), this connecting portion (43) and described first push rod (6) are rotatably assorted, described lever (4) is provided with main spring (3), one end of this main spring (3) is connected between the upper end (42) of described lever (4) and connecting portion (43), the other end is connected in frame, when magnetic flow convertor (10) receives electric leakage signal, iron core (101) on magnetic flow convertor (10) promotes tripping (11) and rotates, thus tripping (11) and the second snap close (12) unlock, when second snap close (12) rotates, lower end (44) and second snap close (12) of lever (4) disengage, 3rd hasp unlocks, lever (4) rotates under the pulling force effect of main spring (3), the upper end (42) of lever (4) promotes the second push rod (7) motion simultaneously, when the actuator arm (41) on lever (4) stirs the first snap close, first snap close (8) and the first push rod (6) are unlocked, thus the first push rod (6) and the second push rod (7) and lever (4) act on next at main spring (3) plays motion, lever (4) in motion process with the ends contact of unshakable in one's determination (101), and make it reset.
2. a kind of leakage tripping device according to claim 1, it is characterized in that: on described the first push rod (6), be provided with the first hole (61), the second described push rod is provided with the second hole (72), described lever (4) is each passed through described first hole (61) and the second hole (72), second connecting portion (43) hub setting of described lever (4) is in described first hole (61), and the upper end (42) of described lever (4) is placed in described second hole (72).
3. a kind of leakage tripping device according to claim 1, it is characterized in that: described second snap close (12) has stopper section, described stopper section, when leakage tripping device is in the close position, can stop the slip of the lower end (44) of lever (4).
4. a kind of leakage tripping device according to claim 3, it is characterized in that: described stopper section is a ball (121), this ball (121) is arranged in lock buckling groove (126) that described second snap close (12) is offered.
5. a kind of leakage tripping device according to claim 1, it is characterized in that: described the first push rod (6) has arc surface (611) corresponding on the connecting portion (43) of lever (4), this arc surface (611) coordinates with connecting portion (43) pivotable of described lever (4).
6. a kind of leakage tripping device according to claim 1, it is characterized in that: described tripping (11) afterbody has engaging groove (111), described the second snap close (12) afterbody is provided with and the engaging boss (123) engaging groove (111) snap fit.
7. a kind of leakage tripping device according to claim 1, it is characterized in that: described tripping (11) is provided with tripping reduction torsion spring (112), conflict in tripping (11) in described tripping reduction torsion spring (112) one end, the other end is conflicted in frame.
8. a kind of leakage tripping device according to claim 1, it is characterized in that: described the second snap close (12) is provided with snap close reduction torsion spring (122), conflict on the second snap close (12) in described snap close reduction torsion spring (122) one end, the other end is conflicted on the first snap close (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210584348.0A CN103077860B (en) | 2012-12-28 | 2012-12-28 | Leakage tripper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210584348.0A CN103077860B (en) | 2012-12-28 | 2012-12-28 | Leakage tripper |
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| Publication Number | Publication Date |
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| CN103077860A CN103077860A (en) | 2013-05-01 |
| CN103077860B true CN103077860B (en) | 2015-02-25 |
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| CN201210584348.0A Active CN103077860B (en) | 2012-12-28 | 2012-12-28 | Leakage tripper |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517784B (en) * | 2014-12-15 | 2016-09-14 | 常熟开关制造有限公司(原常熟开关厂） | A kind of operating mechanism of low-pressure plastic shell circuit breaker |
| CN105529227A (en) * | 2016-01-19 | 2016-04-27 | 浙江电器开关有限公司 | Tripping device for circuit breaker |
| CN106328456B (en) * | 2016-11-01 | 2018-07-17 | 德力西电气有限公司 | Disengaging deivce of earth leakage and leakage circuit breakers comprising the disengaging deivce of earth leakage |
| CN106783439A (en) * | 2017-01-05 | 2017-05-31 | 上海磊跃自动化设备有限公司 | The resetting-mechanism of low-voltage circuit breaker executing agency |
| CN106783432B (en) * | 2017-01-05 | 2019-02-15 | 上海磊跃自动化设备有限公司 | The quick-tripping device of low-voltage circuit breaker executing agency |
| CN106783433B (en) * | 2017-01-05 | 2019-02-15 | 上海磊跃自动化设备有限公司 | The executing agency of low-voltage circuit breaker |
| CN108010820A (en) * | 2017-12-22 | 2018-05-08 | 上海诺雅克电气有限公司 | Breaker |
| CN110060910A (en) * | 2018-01-18 | 2019-07-26 | 华电高科(北京)电气有限公司 | A kind of novel tripping device |
| CN109545595A (en) * | 2019-01-10 | 2019-03-29 | 常熟开关制造有限公司(原常熟开关厂） | A kind of locker and dual-power transfer switch of dual-power transfer switch |
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| EP0696039A1 (en) * | 1994-08-01 | 1996-02-07 | Schneider Electric Sa | Circuit breaker mechanism provided with an energy accumulator with a damping stop |
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| CN201788911U (en) * | 2010-09-20 | 2011-04-06 | 上海森立电气有限公司 | Intelligent controller resetting mechanism for breaker |
| CN203071021U (en) * | 2012-12-28 | 2013-07-17 | 常熟开关制造有限公司(原常熟开关厂） | Leakage tripping device |
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| EP0696039A1 (en) * | 1994-08-01 | 1996-02-07 | Schneider Electric Sa | Circuit breaker mechanism provided with an energy accumulator with a damping stop |
| CN2598124Y (en) * | 2003-01-15 | 2004-01-07 | 正泰集团公司 | Operating mechanism for electric leak apparatus release |
| CN101106046A (en) * | 2007-06-07 | 2008-01-16 | 浙江正泰电器股份有限公司 | An operation machine for small residual current action breaker |
| CN201788911U (en) * | 2010-09-20 | 2011-04-06 | 上海森立电气有限公司 | Intelligent controller resetting mechanism for breaker |
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| CN103077860A (en) | 2013-05-01 |
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