CN1399296A - Breaker actuator inserted in detachable rotating parts with linking logic - Google Patents
Breaker actuator inserted in detachable rotating parts with linking logic Download PDFInfo
- Publication number
- CN1399296A CN1399296A CN 02141517 CN02141517A CN1399296A CN 1399296 A CN1399296 A CN 1399296A CN 02141517 CN02141517 CN 02141517 CN 02141517 A CN02141517 A CN 02141517A CN 1399296 A CN1399296 A CN 1399296A
- Authority
- CN
- China
- Prior art keywords
- crank
- circuit breaker
- inlet
- actuator
- protective cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/24—Interlocking, locking, or latching mechanisms for interlocking two or more parts of the mechanism for operating contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
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- Mechanisms For Operating Contacts (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a breaker actuator with three switch positions which is equipped with two crank inlet, capable of switching the breaker manually from the closed position to the open position, or from the open position to the earth position by one crank. Each inlet faced to a different switch unit capable of switching the breaker from one position to another when the crank actuates the switch unit is closed by a rotating protective cover fixed by an detachable rotating interlocking section with tracks which limits a special locking logic for preventing special manual switch order of breaker.
Description
Technical field
The present invention relates to a kind of actuator that is used for circuit breaker, it can electronic or manually activate this circuit breaker, and this circuit breaker has three switching positions, i.e. a make position, an open position and an earthing position.This actuator comprises a rotating spindle, and it is connected to the current collector of circuit breaker.In the handover operation process, can come the hand rotation main shaft by a motor rotating spindle or by a crank, during electronic rotating spindle, motor need suitably pass to electric current, during the hand rotation main shaft, crank is connected to a manual switchover element, and this manual switchover element is restricted and along with main axle moving.
The present invention be more particularly directed to a kind of actuator that is used for following circuit breaker, this circuit breaker uses in the metal enclosed transformer station of high pressure (72.5 to 145 kilovolts).
Background technology
The user of this actuator has different safety requirements in proper order to the manual switchover that the operator allows to carry out usually, and these transfer sequences are that actuator has defined a special interlock logic.For example, a user may require actuator not forbid circuit breaker is manually switched to its earthing position when circuit breaker is positioned at an open position, perhaps forbids circuit breaker is manually switched to its make position when circuit breaker is positioned at its earthing position.Possiblely be, design a circuit breaker actuator, it is integrated mechanism, the specific manual transfer sequence of this mechanism disables circuit breaker is to satisfy a given user's specific (special) requirements.Yet these actuator users that have the circuit breaker of three switching positions usually have to change the interlock logic of actuator.According to the complexity of this mechanism, changing the interlock logic of an actuator may spended time and cost dearly.Therefore, what need is an actuator that is used to have the circuit breaker of three switching positions, and its improves easily, thereby realizes different interlock logics.
Summary of the invention
The present invention proposes a kind of actuator that is used to have the circuit breaker of three switching positions, wherein, can change interlock logic, be installed on the actuator this part detachable by changing parts that insert required interlock logic.
The actuator that is used to have the circuit breaker of three switching positions comprises a make position, an open position and an earthing position, this actuator also comprises a crank inlet, and it is used for circuit breaker is manually switched to another switching position from a switching position.
According to the present invention, this actuator has one second crank inlet, when crank inserts described first inlet and activates circuit breaker, the first crank inlet face is to one first manual switching device of circuit breaker, and it switches to open position with circuit breaker from make position, and vice versa, when crank inserts described second inlet and activates circuit breaker, the second crank inlet face is to one second manual switching device of circuit breaker, and it switches to earthing position with circuit breaker from open position, and vice versa.Two movably protective cover be assigned to different crank inlet respectively, and each protective cover is related with a hammerlock, each protective cover can move with closed or open its assigned crank and enter the mouth.This actuator further comprises an interlocking elements, and it is removably mounted on the rotation axis, and this rotation axis is restricted, and along with switching device moves.Described parts comprise respective track; wherein; the hammerlock of protective cover is arranged in this track, stops or allows in two protective covers one or another to move, thereby stop or allow crank is inserted in two cranks inlets one or another.
Hereinafter, show in conjunction with the accompanying drawings, the present invention has been done more detailed explanation.
Description of drawings
Fig. 1 is the letter perspective view more of the embodiment of actuator according to the present invention.
Fig. 2 has shown a rotational fixation position component, and it is at the manual closing of circuit breaker/open the end of switching position near crank.
Fig. 3 has shown the rotational fixation position component, and it is the manual ground connection of circuit breaker/open the end of switching position near crank.
Embodiment
With reference to Fig. 1, an actuator that has the circuit breaker of three switching positions comprises that is rotated a main actuator shaft 1, and it is connected to the current collector place (not shown) of circuit breaker.During the electric actuation circuit breaker, a motor 2 rotates by a gear train 3 driving main shaft 1.The rotation of main shaft 1 is delivered to one second rotation axis 5 by gear train 4, and this second rotation axis 5 is towards a shell antetheca 6, and this enclosure is deposited actuator.Parts 7 of second 5 transmission, it is shown as a wheel disc here, is used in particular for interlocking (interlocking) purpose.Parts 7 are removably mounted on second 5, and it is fixed on the free terminal of axle 5 in illustrated embodiment.
Actuator housings antetheca 6 has the crank inlet 8 and 9 of two separation.These two cranks inlet, 8 and 9 two corresponding manual switchover elements 10,11 towards circuit breaker, this two manual switchover elements 10,11 link together mechanically in actuator housings inside, and are rotated by a crank M.In illustrated embodiment, two switching devices all have a square end, can be enclosed within on this square end as an actuating sleeve of the part of crank M temporarily.Two square ends all have rotation axis, and it is vertically towards antetheca 6 and the wheel disc plane that forms parts 7.For the purpose of more accurately, wheel disc is between the square end and crank inlet 8,9 of element 10,11, parallel with antetheca 6, when this wheel disc worn and with element 10,11 on square end in one or another when being meshing with each other, it scans out a plane of intersecting with crank M.Therefore, an opening 26 is arranged in illustrated embodiment, under the particular case of appointment, it can make a crank M pass the wheel disc that forms parts 7 hereinafter.
Two switching devices 10,11 mechanically link together by a drive system, and by this drive system, one the rotation that is delivered in two switching devices will be passed on another, and be delivered on two axles 1 and 5.
In illustrated embodiment, two elements 10,11 all are fixed on the belt pulley set 12,13, and two belt pulleys mechanically link together by an endless belt 14 that has groove.Belt pulley 12,13 is connected to this on power transmission shaft of motor 2 by a belt pulley 16, a belt 17 and a belt pulley 15, this belt pulley 16 is fixed on this power transmission shaft, and belt pulley 15 is fixed on the assembly of belt pulley 13 and element 11 here.Therefore, each rotation that has a belt pulley 12,13 of groove all will be delivered on main actuator shaft 1 and actuator second 5, and vice versa.
When main shaft 1 and second 5 are not when rotating electrically by starting motor 2, by being enclosed within the crank on the square end, in the hand rotation element 10,11 one, thereby the axle of rotating motor 2, and rotating spindle 1 and second 5, this square end is fixed on the element.
Actuator comprises mobile protective cover 18,19, and they form the operator scheme selector.
In illustrated embodiment, protective cover 18,19 is respectively fixed on the axle 30,31, has only shown an end of axle 30,31 among the figure.These have parallel axis X X ' and YY ', allow protective cover when rotating with wall 6 keeping parallelisms, these axles pass wall 6, these protective covers are positioned on the wall 6 on the side relative with axle 1,5 and parts 7.Each protective cover 18,19 has a round bottom, and for example, this round bottom has the breach of a part on its circumference, and crank passes this breach.Here this breach is a semilune, the known technology mode that is chosen as of its size and position, and its those crank inlet on wall 6 determines that these crank inlets match with the protective cover that comprises breach.Have only when protective cover to turn to the place ahead that its breach is positioned at inlet, and thereby when opening, each protective cover just allows crank M is inserted in the corresponding crank inlet.
In illustrated embodiment, each selector protective cover 18,19 is cooperated with a pivot caps 27,28, and pivot caps 27,28 is installed on the wall 6 near corresponding crank inlet, and is closed or open this inlet when over cap rotates.Each lid is positioned at the position relative with the protective cover of its cooperation, makes when having only notch alignment when this inlet and related protective cover, just can raise lid, opens this crank and enters the mouth.In illustrated embodiment, for reaching this purpose, the rotation axis of lid is positioned over the crank inlet goes up a side relative with protective cover, when breach and inlet not on time, protective cover has covered lid, lid is raised in prevention.
And protective cover 18,19 is installed on the rotation axis 30,31, and rotation axis 30,31 drives hammerlock 22,23, and they are positioned at a side relative with protective cover on the wall 6, and along with the protective cover that is installed on the same axle rotates and rotates.Each hammerlock has a free end, and a projection 24,25 is arranged above, is limited among track P1, the P2 of parts 7.Each arm all is restricted, along with protective cover moves, and the position that arrives when rotating according to parts 7, moving by the track of parts 7 of each arm controlled, and its projection is limited in the track, and this track is used for fixing protective cover at an ad-hoc location.Track P1, P2 are cam path, and it is formed on the end face of wheel disc, this wheel disc building block 7.
Because parts 7 rotate simultaneously with main drive shaft 1, and connect together with it by second 5, Qi Jiao has represented the position position, angle of main shaft.Therefore, on parts 7, form these tracks, can allow protective cover 18,19 to move, make main shaft arrive some specific positions, angle, for example main shaft position occupied when circuit breaker switches to a specific switching position.
In the motorized motions implementation, a circuit breaker has three positions, promptly make position, one are opened/open position and an earthing position, the first step is by rotating main drive shaft 1, circuit breaker will progressively move to its open position from its make position, further rotate same main shaft 1, circuit breaker will move to its earthing position from its open position.
According to the present invention, the manual activation of circuit breaker is divided into two parts, promptly is used for first manual activation of closure/open switching and be used to open/second manual activation that ground connection is switched.For accurate more, the square end of crank M operating element 10 that can be by being inserted into crank inlet 8, the manual activation of circuit breaker switches to its open position with it from make position, and vice versa; The square end of crank M operating element 11 that can be by being inserted into crank inlet 9, the manual activation of circuit breaker switches to its earthing position with it from open position, and vice versa.Therefore; by suitably selecting deployment rails P1, P2; fixing protective cover 18,19 under given conditions; by forbidding or allowing or another rotation in two protective covers; thereby forbid or allow crank is inserted in two cranks inlet one or another, can allow or forbid the specific manual transfer sequence of circuit breaker.
As previously mentioned, parts 7 have an opening 26, and when being opened the crank corresponding with square end inlet 8,9 by the protective cover 18,19 of association, crank M passes this opening it is connected on the square end of element 10,11.
Fig. 1 has shown the protective cover 18 that is positioned under certain position, and this moment, it opened crank inlet 8, and circuit breaker is manually switched to a make position from an open position, and vice versa.Show among the figure that protective cover 19 is positioned at a position, the track P2 on this moment parts 7 has fixed this protective cover and closed crank inlet 9.When crank M rotating element 10, parts 7 will rotate always, up to the inside edge of crank near opening 26.When this manual operation was finished, circuit breaker had been switched to an ad-hoc location.Crank M can enter the mouth from crank and 8 remove, and protective cover 18 can move to a position, this moment its closed crank inlet 8.According to the track P1 on the parts 7, the shape of P2, when the manual switchover of this circuit breaker operation is finished, can fix or release guard cover 19.Under latter event, protective cover 19 can move, thereby can open crank inlet 9, makes it possible to crank M is inserted into the there, continues the manual switchover order of circuit breaker by element 11.By crank M moving meter 11, cause parts 7 further to rotate, the track on the parts is protective cover 18 fixedly, till circuit breaker being switched to an open position.Therefore the shape of the track on the parts 7 can be forbidden specific circuit breaker transfer sequence.
As shown in Figure 1, parts 7 are positioned at second 5 end, thereby change easily.These tracks can be processed or be casted in the parts 7.
Each mover parts comprises 18,19 and hammerlocks 22,23 of a protective cover; they are by 30,31 transmissions of same axle; this hammerlock 22,23 cooperates with parts 7; can directly or indirectly operate some relays; not shown, with the position of determining that subassembly occupies, thereby determine the position that circuit breaker occupies; reach the purpose of control, particularly all the more so when the electric actuation circuit breaker.These relays can be used for forbidding electronic switching circuit breaker especially, with its opened/closed or ground connection.Thereby the protective cover that is in an ad-hoc location can be forbidden electronic switching circuit breaker, and it can be incorporated in the interlock logic that is inserted in the parts 7.
Because prior art can be used to explain how to arrange and control these relays, here this is not described further.
The square end of second 5 and element 10,11 is positioned on two angles of isosceles triangle, make when circuit breaker is positioned at open position, the solid plate edge of partly taking turns is limited to parts 7 inside with opening 26, its edge is vertical with the straight line of the rotation axis that passes two elements 10,11, allows crank to be engaged on the square end of in two elements 10,11 or another.For example, in Fig. 1, the main shaft 1 of actuator has occupied the angle position corresponding with the breaker closing position.In this position, parts 7 allow crank M to be engaged to the square end of element 10 by crank inlet 8, and parts 7 are between the square end of crank inlet 9 and element 11, thereby play fixing function, stop crank M to be engaged on that square end.When the crank M that rotates with the square end engagement of element 10, the rotation of crank M is passed to main shaft 1, and circuit breaker is switched to its open position from its make position.The rotation of main shaft 1 is passed to second 5, and it is with rotatable parts 7, shown in the arrow on the parts.Then the wheel disc of parts 7 formation scans out a plane of intersecting with crank M, and near crank M.When circuit breaker arrives its open position, with fixed crank M, it is stopped operating by the multiplicative decrease factor (demultiplication ratio) between parts 7 second 5 of adjusting and the main shaft 1.Especially, when with circuit breaker when its make position is manually switched to its open position, wheel disc has approximately rotated 1/4th circles.When circuit breaker occupied its open position, crank M can be engaged to the square end of element 11.If then engagement in rotation is to the crank M of the square end of element 11, the rotation of crank M will be passed to main shaft 1, and circuit breaker is switched to its earthing position from its open position.The rotation of main shaft 1 is passed to second 5, and it is with rotatable parts 7, shown in arrow among Fig. 1.Thereby the wheel disc that forms parts 7 has further rotated about 1/4th circles.When circuit breaker was positioned at its earthing position, solid half wheel disc was limited to parts 7 inside with opening 26, and the position, angle of wheel disc makes that the edge of solid half wheel disc is vertical substantially with the straight line of the rotation axis that passes two elements 10,11.Then parts 7 stop crank M by inlet 8 and this square end engagement between the square end of crank inlet 8 and element 10.Crank M on backward rotation element 11 square ends switches to its open position with circuit breaker from its earthing position.Thereby, when circuit breaker arrives its open position, parts 7 about backward rotation 1/4th circles, opposite with the direction of arrow on the parts, and, stop crank to rotate near crank M.
Fig. 2 has shown circuit breaker when its earthing position is manually switched to its open position, the position of parts 7 during near crank M.Fig. 3 has shown circuit breaker when its make position is manually switched to its open position, the position of parts 7 during near crank M.
Shown in Fig. 1 to 3, crank comprises a tongue or key 34, and it radially extends, and when circuit breaker is manually switched to its open position from its earthing position, when crank M was engaged to square end of a switching device, this tongue or key were near the shoulder of first on the parts 7 20.Shoulder 20 is at the internal edge of opening 26 and form on the border between solid half wheel disc of parts 7, near the rotation axis of these parts.When crank was engaged in two square ends of element 10,11 one or another, key 34 passed the plane that wheel disc 7 scans out.Parts 7 have one second shoulder 21, when with circuit breaker when its make position is manually switched to its open position, key 34 is near this second shoulder 21.Two shoulders 20,21 similarly are positioned on the diameter of parts 7, and at the opposite side separately of the rotation axis of parts 7, the rotation axis of parts 7 is consistent with second 5; They are preferably as far as possible near this axle, thus reduce when crank M during near parts 7 crank M be applied to the moment of parts 7.Key 34 and two shoulders 20,21 are regulated appropriately, make that key 34 passes and arrive the front of a shoulder when crank rotates a circle, and when crank then turned around, it was takeed near another.
At last, in illustrated embodiment, in known solution, each protective cover 17,18 is cooperated with lock S1, a S2.For this purpose, it has at the bottom of one, and the peripheral edge of a part is arranged at the end, and it has one or more openings 32 and 33, and they cooperate with door bolt 35 on a lock or the protective cover fixture, and this fastens 35 with a bolt or latch and can operate by key.In known solution, these aperture arrangement are appropriate, make it possible to the specific manual or electronic transfer sequence of the key actuator that comes that no thoroughfare to circuit breaker.
Claims (5)
1. actuator that is used for circuit breaker; circuit breaker has three switching positions; i.e. make position; an open position and an earthing position; this actuator comprises the inlet (8) of a crank (M); be used for circuit breaker is manually switched to another switching position from a switching position; it is characterized in that it has one second crank inlet (9); when crank inserts described first inlet and activates circuit breaker; first crank inlet (8) is towards one the first manual switching device (10) of circuit breaker; the first manual switching device switches to its open position with circuit breaker from its make position; vice versa; when crank inserts described second inlet and activates circuit breaker; second crank inlet (9) is towards one the second manual switching device (11) of circuit breaker; it switches to its earthing position with circuit breaker from its open position; vice versa; because two protective covers (18 movably; 19) be assigned to different crank inlets (8 respectively; 9); and each protective cover and a hammerlock (22; 23) association; each protective cover is removable with closed or open the crank inlet that it is assigned with; because actuator further comprises an interlocking elements (7); it is removably mounted on the rotation axis (5); rotation axis (5) is restricted; along with switching device moves; described parts comprise respective track (P1; P2); wherein; the hammerlock of protective cover is positioned at this track (P1; P2) in; stop or allow in two protective covers one or another to move, crank is inserted in two cranks inlets one or another thereby stop or allow.
2. actuator as claimed in claim 1, it is characterized in that interlocking elements (7) is positioned between two crank inlets (8,9) and two switching devices (10,11), it comprises an opening (26), and crank must pass this opening (26) and activate a switching device.
3. actuator as claimed in claim 1 or 2 is characterized in that track (P1, P2) is a cam path, is positioned on the surface of interlocking elements (7).
4. as any one described actuator in the claim 1 to 3; each all is installed on the axle (30,31) to it is characterized in that protective cover (18,19); this axle (30,31) drives a hammerlock (22,23); each protective cover can rotate around its axle; closed or open the crank inlet that is assigned to; one end of each hammerlock is subjected to the restriction of the different tracks (P1, P2) of interlocking elements, and the turned position of interlocking elements stops or allows to be installed in same axle goes up rotation as the protective cover of arm.
5. as any one described actuator in the claim 1 to 4; it is characterized in that mover parts comprise a protective cover (18,19) and a hammerlock (22,23); they are driven by same axle (30,31) and cooperate with the interlocking elements (7) of actuator; the mover parts act on the relay at its specific position, make described relay produce a special electricity order.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0108094A FR2826501B1 (en) | 2001-06-20 | 2001-06-20 | DISCONNECTOR CONTROL HAVING AN INTERLOCKING LOGIC IMPLANTED IN A REMOVABLE ROTARY PART |
| FR0108094 | 2001-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1399296A true CN1399296A (en) | 2003-02-26 |
Family
ID=8864544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02141517 Pending CN1399296A (en) | 2001-06-20 | 2002-06-20 | Breaker actuator inserted in detachable rotating parts with linking logic |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1271588A1 (en) |
| CN (1) | CN1399296A (en) |
| FR (1) | FR2826501B1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194585A (en) * | 2010-03-16 | 2011-09-21 | 施耐德电器工业公司 | Locking device for preventing electric protector earthing, and electric protector |
| CN101449348B (en) * | 2006-05-23 | 2012-07-04 | Abb技术股份有限公司 | Switching device for an electrical switchgear assembly for energy distribution |
| CN102918616A (en) * | 2010-05-31 | 2013-02-06 | 阿尔斯通技术有限公司 | Device for selecting the operating mode of an electrical switch actuator |
| CN103247460A (en) * | 2012-02-14 | 2013-08-14 | 施耐德电器工业公司 | Device for controlling mechanism of electric protection unit and electric protection unit |
| CN103367056A (en) * | 2012-04-10 | 2013-10-23 | 施耐德电器工业公司 | Control device of medium piezoelectric switching unit and switching unit controlled by same |
| CN104021969A (en) * | 2013-02-28 | 2014-09-03 | 东洋电装株式会社 | Shaft slip-off stopping structure and switch having same |
| CN107622918A (en) * | 2016-06-28 | 2018-01-23 | 刘检军 | A kind of high voltage connector |
| CN107622902A (en) * | 2016-07-30 | 2018-01-23 | 刘检军 | A kind of low-valtage knife switch |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2878070B1 (en) * | 2004-11-18 | 2006-12-22 | Areva T & D Ag | MECHANICAL CONTROL DEVICE FOR AN ELECTRICAL EQUIPMENT WITH THREE SWITCH POSITIONS HAVING A SELECTION LEVER COOPERATING WITH A CAME |
| FR2904470B1 (en) * | 2006-07-31 | 2008-11-07 | Areva T & D Sa | DEVICE FOR CONTROLLING A MEDIUM OR HIGH VOLTAGE ELECTRICAL EQUIPMENT AND METHOD FOR CONTROLLING A DEVICE FOR CONTROLLING A MEDIUM OR HIGH VOLTAGE ELECTRICAL EQUIPMENT |
| DE102015110216A1 (en) * | 2015-06-25 | 2017-01-12 | Schneider Electric Industries Sas | locking device |
| DE102015113160A1 (en) * | 2015-08-10 | 2017-02-16 | Abb Schweiz Ag | Locking device for a high-voltage switchgear |
| CN109637880A (en) * | 2018-05-25 | 2019-04-16 | 许继集团有限公司 | A kind of breaker and its operating mechanism |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3133982A1 (en) * | 1981-08-27 | 1983-03-17 | Siemens AG, 1000 Berlin und 8000 München | Multi-position rotation switching device for operating electrical or mechanical arrangements which can be switched over |
| US6028272A (en) * | 1997-05-02 | 2000-02-22 | Siemens Power Transmission & Distribution, Inc. | Lockable position interlock for rackable circuit breakers |
| FI106155B (en) * | 1999-02-23 | 2000-11-30 | Abb Transmit Oy Keskijaennitek | control device |
-
2001
- 2001-06-20 FR FR0108094A patent/FR2826501B1/en not_active Expired - Fee Related
-
2002
- 2002-06-19 EP EP02291526A patent/EP1271588A1/en not_active Withdrawn
- 2002-06-20 CN CN 02141517 patent/CN1399296A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101449348B (en) * | 2006-05-23 | 2012-07-04 | Abb技术股份有限公司 | Switching device for an electrical switchgear assembly for energy distribution |
| CN102194585B (en) * | 2010-03-16 | 2015-04-29 | 施耐德电器工业公司 | Locking device for preventing electric protector earthing, and electric protector |
| CN102194585A (en) * | 2010-03-16 | 2011-09-21 | 施耐德电器工业公司 | Locking device for preventing electric protector earthing, and electric protector |
| CN102918616A (en) * | 2010-05-31 | 2013-02-06 | 阿尔斯通技术有限公司 | Device for selecting the operating mode of an electrical switch actuator |
| CN102918616B (en) * | 2010-05-31 | 2015-07-29 | 阿尔斯通技术有限公司 | For selecting the device of the operator scheme of electrical switch actuator |
| CN103247460A (en) * | 2012-02-14 | 2013-08-14 | 施耐德电器工业公司 | Device for controlling mechanism of electric protection unit and electric protection unit |
| CN103367056A (en) * | 2012-04-10 | 2013-10-23 | 施耐德电器工业公司 | Control device of medium piezoelectric switching unit and switching unit controlled by same |
| CN103367056B (en) * | 2012-04-10 | 2016-12-28 | 施耐德电器工业公司 | Middle Piezoelectric switches unit control device and the switch element that controlled by this device |
| CN104021969A (en) * | 2013-02-28 | 2014-09-03 | 东洋电装株式会社 | Shaft slip-off stopping structure and switch having same |
| CN104021969B (en) * | 2013-02-28 | 2017-08-04 | 东洋电装株式会社 | Axle portion part anti-loose structure and the switch with the axle portion part anti-loose structure |
| CN107622918A (en) * | 2016-06-28 | 2018-01-23 | 刘检军 | A kind of high voltage connector |
| CN107622918B (en) * | 2016-06-28 | 2018-11-23 | 林伟祥 | A kind of high voltage connector |
| CN107622902A (en) * | 2016-07-30 | 2018-01-23 | 刘检军 | A kind of low-valtage knife switch |
| CN107622902B (en) * | 2016-07-30 | 2018-11-13 | 林伟祥 | A kind of low-valtage knife switch |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2826501B1 (en) | 2003-08-15 |
| EP1271588A1 (en) | 2003-01-02 |
| FR2826501A1 (en) | 2002-12-27 |
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