CN101645377B - Circuit breaker and handle lock device thereof - Google Patents
Circuit breaker and handle lock device thereof Download PDFInfo
- Publication number
- CN101645377B CN101645377B CN2009101272144A CN200910127214A CN101645377B CN 101645377 B CN101645377 B CN 101645377B CN 2009101272144 A CN2009101272144 A CN 2009101272144A CN 200910127214 A CN200910127214 A CN 200910127214A CN 101645377 B CN101645377 B CN 101645377B
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- breaker
- circuit
- lock device
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Abstract
The invention provides a handle lock device with improved installation structure, which can be installed on a standard circuit breaker without additional processing screw hole on a lid of the circuit breaker. A rocker-type switch operating handle (3) extrudes outside from a lid (2) of the circuit breaker (1) and the rocker-type switch operating handle (3) is locked at a broken position. In a plate-type handle lock device, an installing base (11) is connected at two ends of a lock board (10) aside the handle (3) and is fixed by an installing bolt (7) of the circuit breaker (1). The lock board (10) comprises a fixing board (8) and a movable board (9). The fixing board (8) is provided with a plunger hole (8c) for installing the lock. The movable board (9) is fixed on the fixing board (8) andis nested with the handle. A first bolt base (11a) of the installing base (11) is overlapped on the end of the fixing board (8) and is fixed by bolt. The installing bolt (7) is fixedly connected withthe circuit breaker (1) by a second bolt base (11b).
Description
Technical field
The present invention relates to be object, be suitable for handle lock (handle lock) device as the circuit-breaker of its external attached device with Inturruptor for sub-line, RCCB etc., and the circuit-breaker that is provided with this handle lock device.
Background technology
As everyone knows, above-mentioned Inturruptor for sub-line, RCCB are equipped with through manual operation handle are used in the switching manipulation that the main circuit contact carries out rocking bar (rocker) formula of switch.The foregoing circuit circuit breaker is contained in distribution board; When operation boards etc. use; In order to prevent the maintaining personnel, external personnel prepare handle lock device as external attached device (selection) absent-mindedly to the misoperation of handle; On handle, add padlock (pad-lock), circuit-breaker is locked in connection (ON) position or disconnection (OFF) position.
This handle lock device has various types; As an example wherein, just like the handle lock device of lower locking plate formula, for people known: the jam plate that will erect along the handle side; Be installed on the lid of circuit-breaker; The padlock hook is passed the mortise lock hole of this jam plate plate face and lock, the handle constraint is remained on ON position (main circuit junction closure) or OFF position (disconnection of main circuit contact) (for example, with reference to patent documentation 1).
As the example in the past of handle lock device, Fig. 6 A-Fig. 6 C is illustrated in disclosed handle lock device in the above-mentioned patent documentation 1.The handle lock device of illustrated example is in the pattern of connecting and breaking off each position lock handle.Among the figure; Symbol 1 is a circuit-breaker, the 2nd, and the mold cassettes of the circuit-breaker of forming by box 2a and lid 2b 1, the 3rd, the rocker-type handle of on/off operation usefulness; Square hole from lid 2b upper shed; Handle (knob) is outstanding to foreign side, and 4 are mounted in the jam plate of the handle lock device of lid 2b, and the 5th, hang over the padlock of jam plate 4.
At this, above-mentioned jam plate 4 is shown in Fig. 6 C, by fixed head 4a; The assembly of movable platen 4b and fulcrum 4c constitutes, and said movable platen 4b is arranged near the fixed head 4a inboard, and fulcrum 4c props up the end pivot of movable platen 4b on fixed head 4a; Above-mentioned jam plate 4 erects extension along the side of above-mentioned handle 3, is installed on the lid 2b, forms L shaped screw base 4a-2 at fixed head 4a two ends;, be fastened on the lid 2b through above-mentioned L shaped screw base 4a-2 at this position trip bolt 6.In addition, have in the end of fixed head 4a and be used for the mortise lock hole 4a-1 that padlock 5 is locked.On the other hand, movable platen 4b is the L shaped plate in cross section, with said fixing plate 4a faying surface; Hole 4a-1 overlaps the position with above-mentioned mortise lock, has mortise lock hole 4b-1, on the side-prominent plate face of handle 3; Have square hole 4b-2; 4b-3, connection, the opening operation position consistency of itself and handle 3, chimeric with handle 3.
In above-mentioned formation; When the handle 3 of circuit-breaker 1 is locked in the opening operation position, like Fig. 6 A, shown in the 6B; Handle 3 is being moved under the open position state; Make handle 3 be entrenched in the square hole 4b-2 of movable platen 4b, under this state, make padlock 5 latch hooks pass the mortise lock hole 4a-1 of fixed head 4a and the mortise lock hole 4b-1 of movable platen 4b locks.Like this, handle 3 is locked in open position, only otherwise opening padlock 5 makes movable platen 4b to move, just can not handle 3 be switched to on-position.
In addition, opposite for handle 3 is locked in the making operation position with said process, handle 3 is moved to on-position, make the square hole 4b-3 of movable platen 4b be fitted to above-mentioned handle 3, padlock 5 is passed mortise lock hole 4a-1 and mortise lock hole 4b-1 locks.The distribution board of circuit-breaker is being housed, in the operation board etc., electric shock accidents is taking place when preventing in the cautious dish distribution system; Recently, the handle lock device Requirement Increases of interlocking makes and only in the opening operation position handle of circuit-breaker is locked; On the contrary, can not lock in making operation position mistake.
[patent documentation 1] spy opens clear 61-269814 communique
Above-mentioned handle lock device is the selection of ordering goods and appending especially according to the user, in the circuit-breaker of standard items, does not dispose handle lock device at first.Therefore, after manufacturer accepts user's order,, on circuit-breaker, append the equipment handle lock device and dispatch from the factory according to its requirement.
This occasion, in technical pattern in the past shown in Figure 6, jam plate 4 screws of handle lock device are fastening to be installed on the lid 2b of circuit-breaker 1.Therefore,, need append the screw that processing is used for twisting hold-down screw 6 on the lid 2b at circuit-breaker, follow this screw processing, can produce funds and time-related problem in factory in order jam plate 4 to be appended on the circuit-breaker that is equipped in standard items.
Summary of the invention
The present invention puts forward for addressing the above problem; First purpose of the present invention is; A kind of handle lock device of improveing mounting structure is provided; When requiring to append equipment handle lock device (selection), need not on the lid of circuit-breaker, to append processing screw hole, can be assembled in the circuit-breaker of standard items of previous status and use when ordering goods because of the user.
Second purpose of the present invention is, the circuit-breaker of the handle lock device that is provided with the invention described above is provided.
In order to achieve the above object; Handle lock device according to circuit-breaker of the present invention; The switching manipulation of rocker-type is outstanding to foreign side through the open pore on the lid of circuit-breaker with the handle portion of handle, and said switching manipulation is fixed on open position with handle lock, on above-mentioned lid, lays the jam plate that erects extension along above-mentioned handle side; Padlock hangs on this jam plate, and handle lock is fixed on open position; It is characterized in that:
Mounting base is connected on the above-mentioned jam plate, this mounting base is installed in above-mentioned covering (the 1st technical scheme) with the mounting screw of circuit-breaker.
More particularly, with the morphosis jam plate and the mounting base of following that kind:
(1) above-mentioned jam plate is the assembly of the movable platen of L-shaped fixed head in cross section and slidingtype, and said movable platen is added on the plate face of this fixed head, and guided bearing is for can move along its length;
On the said fixing plate, be provided with at its base plate central opening, surround the hole of handle portion peripheral region of the handle of circuit-breaker, and, simultaneously,, be provided with the mortise lock hole that is used to lock in the length direction centre in riser portion at the screw of both ends perforation;
On above-mentioned movable platen, be provided with the mosaic process that hangs tag and be connected with the handle portion of above-mentioned handle;
In the making operation position of handle, movable platen is blocked in the mortise lock hole (the 2nd technical scheme) of said fixing plate opening.
(2) above-mentioned mounting base comprise superimposed in the jam plate end with the 1st fastening screw base of screw, and the 2nd screw base that passes the mounting screw of circuit-breaker is screwed on the 1st screw base (the 3rd technical scheme) through trip bolt with the fixed head of jam plate.
(3) in above-mentioned (2),, be provided with and the corresponding selectable a plurality of trip bolt through holes of the frame size of circuit-breaker (the 4th technical scheme) at the 1st screw base of mounting base.
In order to achieve the above object; Handle lock device according to circuit-breaker of the present invention; The switching manipulation of rocker-type is outstanding to foreign side through the open pore on the lid of circuit-breaker with the handle portion of handle, and said switching manipulation is fixed on on-position with handle lock, on above-mentioned lid, lays the jam plate that erects extension along above-mentioned handle side; Padlock hangs on this jam plate, and handle lock is fixed on on-position; It is characterized in that:
Mounting base is connected on the above-mentioned jam plate, this mounting base is installed in above-mentioned covering (the 5th technical scheme) with the mounting screw of circuit-breaker.
In order to achieve the above object,, comprise handle lock device, be used for the handle lock of circuit-breaker is fixed on off position or on-position, it is characterized in that according to circuit-breaker of the present invention:
Said handle lock device is the handle lock device (the 6th technical scheme) of the invention described above.
Board-like handle lock device according to above-mentioned formation can have following effect.
At first; The distribution of standardized product with circuit-breaker, RCCB in; In order can this circuit-breaker to be screwed at distribution board, on the mounting panel in the dish such as control panel, on the mold cassettes of circuit-breaker, be provided with run through box and lid both sides, from the screwing through hole of lid side intercalation mounting screw; At this, its structure is described with reference to Fig. 1.In Fig. 1, on the mold cassettes 2 of circuit-breaker 1 (being 4 electrode structures among the figure), in the both end sides of mains side and load side terminal box 2 side by side, about disperse three place's openings, be provided with the mounting screw through hole 2c that passes box 2a and lid 2b, above-below direction perforation.Then; In order circuit-breaker 1 to be screwed on the mounting panel (not shown) in the dish; The mounting screw of label 7 being represented from lid 2 sides inserts above-mentioned screwing through hole 2c, through this mounting screw 7 circuit-breaker 1 is fastened on the mounting panel in the dish.
So; In the present invention; According to 1-the 5th technical scheme of the present invention; Board-like handle lock device (selection) is appended when being contained on the circuit-breaker,, utilize the mounting screw 7 (with reference to Fig. 2) of foregoing circuit circuit breaker that mounting base and circuit-breaker box are fixed together at the mounting base of this jam plate two ends assembling moulded resin system.Thus, need not the screw that additional processing is used for fixing jam plate on the circuit-breaker lid of structure in the past, can on the circuit-breaker of standardized product, append the handle installation locking device and use by previous status.
In addition,, can prevent the misoperation of locking of neglectful handle, only under the circuit-breaker off-state, hang up padlock, handle lock is fixed on open position, improve fail safe and serviceability through as the 2nd technical scheme, constituting jam plate.That is to say, be equipped with under the jam plate state that if handle is moved to on-position, then along with the handle action is driven, movable platen stops up the mortise lock hole of fixed head at circuit-breaker.On the other hand, if handle is moved to open position, along with the handle action is driven, movable platen is retreated from the mortise lock hole site of fixed head, open mortise lock hole.Therefore, under the circuit-breaker on-state, handle lock device can not be locked, and can prevent the neglectful misoperation of locking of handle.
Moreover, through as the 3rd technical scheme, constituting above-mentioned mounting base, jam plate being installed under the assembled state of circuit-breaker, the head of screw of the trip bolt of fixing said fixed head is hidden in the rear side of mounting base, can not unscrew screw.Therefore, can prevent to unload jam plate because of carelessness, prevent handle is switched to the misoperation of on-position, can guarantee high security.
Again; Of the 4th technical scheme; Be provided with and the corresponding selectable a plurality of trip bolt through holes of the frame size of circuit-breaker through the 1st screw base at mounting base; Can make the jam plate of same size also can be suitable for other different circuit-breakers of frame size, can realize the part generalization.
According to the 6th technical scheme of the present invention, the circuit-breaker that is provided with handle lock device of the present invention can be provided.
Description of drawings
Fig. 1 is the vertical view that the handle lock device of the embodiment of the invention is installed to the circuit-breaker last stage.
Fig. 2 is the part exploded perspective view of detailed structure of the handle lock device of presentation graphs 1.
Fig. 3 is that expression is installed in the padlock extension on the handle lock device of circuit-breaker, and handle lock fixes on the vertical view of open position state.
Fig. 4 is the side view of Fig. 3.
Fig. 5 is and Fig. 4 contrast that the expression handle switches to the side view of on-position state.
Fig. 6 A-6C is patent documentation 1 a disclosed handle lock device pie graph; Wherein, Fig. 6 A is that expression is installed in circuit-breaker with handle lock device handle lock is fixed on the partial side view in cross section of open position state, and Fig. 6 B is its vertical view, and Fig. 6 C is the exploded perspective view of handle lock device.
Symbol description is following among the figure:
1: circuit-breaker, 2: the mold cassettes of circuit-breaker, 2b: lid, 3: handle, 5: padlock; 7: the mounting screw of circuit-breaker, 8: fixed head, 8a: square hole, 8b: screw, 8c: mortise lock hole; 9: movable platen, 9b: mosaic process, 10: jam plate, 11: mounting base, 11a: the 1st screw base; 11a-1: trip bolt through hole, 11b: the 2nd screw base, 11b-1: mounting screw through hole, 12: trip bolt.
Embodiment
Below referring to figs. 1 through explanation embodiment illustrated in fig. 5 example of the present invention.Wherein, To be expression be installed to the vertical view of state before the circuit-breaker with the handle lock device of the embodiment of the invention to Fig. 1; Fig. 2 is the exploded perspective view of detailed structure of the handle lock device of presentation graphs 1, and Fig. 3 is that expression hangs over padlock on the handle lock device that is installed in circuit-breaker, and handle lock fixes on the vertical view of open position state; Fig. 4 is the side view of Fig. 3, and Fig. 5 is the side view that expression switches to handle the on-position state.In the foregoing description figure, be marked with same-sign with Fig. 6 corresponding component.
At first; In Fig. 1; The jam plate 10 that the board-like handle lock device of present embodiment will be described hereinafter by detailed structure and the assembly of a pair of mounting base 11 constitute, and said jam plate 10 is that movable platen 9 is assembled on the fixed head 8, and said a pair of mounting base 11 is connected said fixing plate two ends.On the other hand; On circuit-breaker (4 polar form) 1; Make the box 2a and the lid 2b up/down perforation of mold cassettes 2; Next door base portion in mains side and load side terminal portion, mounting screw through hole 2c left and right sides discrete openings makes mounting screw 7 pass this mounting screw through hole 2c screw and is fastened on the mounting panel (not shown) in the dishes such as being arranged on control panel.
And; In the present invention; With the handle lock device of above-mentioned formation parallel carry the opening and closing operations of putting at circuit-breaker 1 with handle 3 on; When being installed in lid 2b and going up, mounting screw 7 is passed the mounting base 11 at the both ends that are connected above-mentioned jam plate 10, through this mounting screw 7 that handle lock device is fastening with circuit-breaker 1.
Then, the detailed structure of above-mentioned handle lock device is illustrated among Fig. 2.This handle lock device is made up of the assembly of jam plate 10 and a pair of mounting base 11, and said jam plate 10 is that movable platen 9 is assembled on the fixed head 8, and said a pair of mounting base 11 is connected the both ends of said fixing plate 8.
At this; Fixed head 8 is that the cross section is L shaped metal sheet, is provided with square hole 8a in its base plate central authorities, is provided with screw 8b at both ends; Said square hole 8a surrounds the switching manipulation that is located on the circuit-breaker 1 handle portion peripheral region with handle 3 (with reference to Fig. 1); Simultaneously, in the riser portion that erects from lateral margin of above-mentioned base plate, be provided with the mortise lock hole 8c that is used to lock in the length direction centre.At the intersection of base plate and riser portion alongst, form the slit-shaped guide-track groove 8d that movable platen 9 is carried out guided bearing.
In addition; Movable platen 9 is set at below half of fixed head 8 length; Form L shaped guide 9a at its lower limb, embed the guide-track groove 8d of said fixing plate 8, on the plate face of movable platen 9; Form mosaic process 9b, make its switching manipulation outstanding with the handle portion (the recessed one-tenth concavity in the side of this handle portion) of handle 3 towards circuit-breaker.
On the other hand, mounting base 11 is processed by resin forming product, comprises the 1st screw base 11a and the 2nd screw base 11b; The end of the superimposed fixed head 8 at above-mentioned jam plate 10 of said the 1st screw base 11a; Fastening with screw, said the 2nd screw base 11b is outstanding towards the side from the 1st screw base 11a, at the 1st screw base 11a; Pass trip bolt 12 from its rear side; The fixed head 8 of screw jam plate 10, simultaneously, a plurality of screwing through hole 11a-1 relative positions that can correspondingly with the frame size of circuit-breaker select opening that staggers.In addition, on the 2nd screw base 11b, be provided with screwing through hole 11b-1, be used to pass the mounting screw 7 of circuit-breaker.
Below, explain above-mentioned formation handle lock device assembling and to circuit-breaker 1 assembling operation step.At first, make that from rear side the 1st screw base 11a and fixed head 8 two ends of mounting base 11 are overlapping, be screwed into the screw 8b of fixed head 8 from the trip bolt 12 of mounting base 11 rear side break-through.In this occasion, can be through selecting to run through the screwing through hole 11a-1 of the 1st screw base 11a, at the binding site of length direction adjustment mounting base 11 relative fixed plates 8.Then, the guide 9a of movable platen 9 is embedded the guide-track groove 8d of fixed head 8, movable platen 9 remains and can slide along the plate face of fixed head 8.
And, for above-mentioned assembly is installed to circuit-breaker, from circuit-breaker 1 top; Make jam plate 10 overlap on the lid 2a; Carry out contraposition, make handle 3 handle portions outstanding, simultaneously from square hole 8a at the base plate opening of fixed head 8; Make the mosaic process 9b of movable platen 9 tangle the recess of the handle portion side of handle 3, make movable platen 9 be connected with handle 3.At last, insert mounting screw 7 from the lid side, the screwing through hole 2c on the 2nd screw base 11b that passes mounting base 11 and the mold cassettes 2 that is located at circuit-breaker 1, mounting base 11 and circuit-breaker 1 is fastening together, be fixed on the installation site.According to such mounting structure; When handle lock device being installed in 1 last time of circuit-breaker; Need not on the lid 2b of mold cassettes 2, to append processing screw hole the structure in the past, utilize the mounting screw 7 on the circuit-breaker 1 that is located at standardized product, jam plate 10 can be installed simply like Fig. 6.
Fig. 3 and Fig. 4 represent through above-mentioned mounting base 11; Jam plate 10 is being installed under the state of circuit-breaker 1; Handle 3 is moved to the opening operation position, with padlock 5 be suspended to jam plate 10 on the 8c of the mortise lock hole of fixed head 8 openings, handle 3 is locked in the state of opening operation position.That is to say, if handle 3 is moved to open position, the main circuit contact of open circuit circuit breaker, then along with the action of handle 3, the movable platen 9 of jam plate 10 is driven, and above-mentioned mortise lock hole 8c becomes opening.Therefore, if 8c adds padlock 5 in the mortise lock hole under this state, handle 3 open positions that remain in bond that then are connected with movable platen 9, can not move operation to on-position.
On the other hand, if remove padlock 5 from open position lock-out state shown in Figure 4, unload from jam plate 10, then handle 3 is disengaged locking, can carry out the handover operation to on-position.Then, if handle 3 is moved to on-position as shown in Figure 5, then driven with handle 3 actions, movable platen 9 moves to the right, clogs the mortise lock hole 8c of fixed head 8.Therefore, under this state, can not lock, thus, can prevent reliably when handle 3 is in on-position, to hang up the misoperation of padlock 5, can prevent in advance that the electric shock accidents that is difficult to expect from taking place when to maintenance misoperation during spot check in coiling to padlock 5.
In an example of the present invention, mounting base 11 can change correspondence according to the circuit-breaker different types, to be fit to this circuit-breaker.
Above with reference to description of drawings embodiments of the invention, but the present invention is not limited to the foregoing description.In technological thought scope of the present invention, can do all changes, they all belong to protection scope of the present invention.
For example, in above-mentioned example, said switching manipulation is fixed on open position with handle lock, be explained, but the present invention is not limited thereto, also can in contrast said switching manipulation be fixed on on-position with handle lock.
Have, in above-mentioned example, mounting base 11 is processed by resin forming product again, but the present invention is not limited thereto, and mounting base 11 also can be processed by other materials.
Claims (7)
1. the handle lock device of a circuit-breaker; The switching manipulation of rocker-type is outstanding to foreign side through the open pore on the lid of circuit-breaker with the handle portion of handle; Said switching manipulation is fixed on open position with handle lock; On above-mentioned lid, lay the jam plate that erects extension along above-mentioned handle side, padlock hangs on this jam plate, and handle lock is fixed on open position; It is characterized in that:
Mounting base is connected on the above-mentioned jam plate, this mounting base is installed in above-mentioned covering with the mounting screw of circuit-breaker.
2. according to the handle lock device of the circuit-breaker of record in the claim 1, it is characterized in that:
Jam plate is the assembly of the movable platen of L-shaped fixed head in cross section and slidingtype, and said movable platen is added on the plate face of this fixed head, and guided bearing is for can move along its length;
On the said fixing plate, be provided with at its base plate central opening, surround the hole of handle portion peripheral region of the handle of circuit-breaker, and, simultaneously,, be provided with the mortise lock hole that is used to lock in the length direction centre in riser portion at the screw of both ends perforation;
On above-mentioned movable platen, be provided with the mosaic process that hangs tag and be connected with the handle portion of above-mentioned handle;
In the making operation position of handle, movable platen is blocked in the mortise lock hole of said fixing plate opening.
3. according to the handle lock device of the circuit-breaker of record in the claim 1, it is characterized in that:
Mounting base comprise superimposed in the jam plate end with the 1st fastening screw base of screw, and the 2nd screw base that passes the mounting screw of circuit-breaker is screwed on the 1st screw base through the fixed head of trip bolt with jam plate.
4. according to the handle lock device of the circuit-breaker of record in the claim 3, it is characterized in that:
At the 1st screw base of mounting base, be provided with and the corresponding selectable a plurality of trip bolt through holes of the frame size of circuit-breaker.
5. the handle lock device of a circuit-breaker; The switching manipulation of rocker-type is outstanding to foreign side through the open pore on the lid of circuit-breaker with the handle portion of handle; Said switching manipulation is fixed on on-position with handle lock; On above-mentioned lid, lay the jam plate that erects extension along above-mentioned handle side, padlock hangs on this jam plate, and handle lock is fixed on on-position; It is characterized in that:
Mounting base is connected on the above-mentioned jam plate, this mounting base is installed in above-mentioned covering with the mounting screw of circuit-breaker.
6. a circuit-breaker comprises handle lock device, is used for the handle lock of circuit-breaker is fixed on off position, it is characterized in that:
Said handle lock device is the handle lock device of any record among the aforesaid right requirement 1-4.
7. a circuit-breaker comprises handle lock device, is used for the handle lock of circuit-breaker is fixed on on-position, it is characterized in that:
Said handle lock device is the handle lock device of aforesaid right requirement 5 records.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008201835A JP2010040325A (en) | 2008-08-05 | 2008-08-05 | Handle lock device of circuit breaker unit |
| JP2008-201835 | 2008-08-05 | ||
| JP2008201835 | 2008-08-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101645377A CN101645377A (en) | 2010-02-10 |
| CN101645377B true CN101645377B (en) | 2012-07-18 |
Family
ID=41657197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101272144A Expired - Fee Related CN101645377B (en) | 2008-08-05 | 2009-03-09 | Circuit breaker and handle lock device thereof |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2010040325A (en) |
| CN (1) | CN101645377B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5818062B2 (en) * | 2011-04-15 | 2015-11-18 | 東京電力株式会社 | Cable measurement mode switching device |
| CN102509659B (en) * | 2011-10-27 | 2014-05-07 | 蓝星化工新材料股份有限公司广西分公司 | Air switch locking device |
| CN102360971B (en) | 2011-11-03 | 2014-01-15 | 上海诺雅克电气有限公司 | Handle locking device for modular terminal electrical appliance |
| KR200464004Y1 (en) | 2011-12-19 | 2012-12-07 | 엘에스산전 주식회사 | An apparutus for preventing abrasion of mechanism for a circuit breaker |
| CN102568935B (en) * | 2012-02-14 | 2014-11-19 | 华为技术有限公司 | Contactor |
| CN109509649B (en) * | 2017-09-15 | 2022-07-05 | Abb瑞士股份有限公司 | Switching device |
| CN112771641B (en) * | 2019-06-25 | 2024-05-17 | Abb瑞士股份有限公司 | Motor operator for a circuit breaker and method for manufacturing a motor operator |
| CN113284770B (en) * | 2021-05-26 | 2022-09-16 | 西安石油大学 | Intelligent circuit breaker for power distribution facility of Internet of things |
| KR102541699B1 (en) * | 2021-07-07 | 2023-06-12 | 엘피스시스템 주식회사 | Lock-fixing tool of switch of a circuit breaker |
| CN115101387B (en) * | 2022-07-25 | 2022-11-01 | 深圳市脉联电子有限公司 | Electric shock prevention structure of circuit breaker, circuit breaker and distributor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5113043A (en) * | 1991-02-25 | 1992-05-12 | General Electric Company | Circuit breaker safety interlock unit |
| JP3028753B2 (en) * | 1995-07-13 | 2000-04-04 | 富士電機株式会社 | Operation handle device of circuit breaker |
| CN1198308C (en) * | 2000-11-06 | 2005-04-20 | 富士电机株式会社 | Breaker |
| JP2008152929A (en) * | 2006-12-14 | 2008-07-03 | Tempearl Ind Co Ltd | Circuit breaker |
| JP2008159503A (en) * | 2006-12-26 | 2008-07-10 | Fuji Electric Fa Components & Systems Co Ltd | External operation handle device of circuit breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3803485B2 (en) * | 1998-04-16 | 2006-08-02 | 三菱電機株式会社 | Switch operating handle lock device |
-
2008
- 2008-08-05 JP JP2008201835A patent/JP2010040325A/en not_active Withdrawn
-
2009
- 2009-03-09 CN CN2009101272144A patent/CN101645377B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5113043A (en) * | 1991-02-25 | 1992-05-12 | General Electric Company | Circuit breaker safety interlock unit |
| JP3028753B2 (en) * | 1995-07-13 | 2000-04-04 | 富士電機株式会社 | Operation handle device of circuit breaker |
| CN1198308C (en) * | 2000-11-06 | 2005-04-20 | 富士电机株式会社 | Breaker |
| JP2008152929A (en) * | 2006-12-14 | 2008-07-03 | Tempearl Ind Co Ltd | Circuit breaker |
| JP2008159503A (en) * | 2006-12-26 | 2008-07-10 | Fuji Electric Fa Components & Systems Co Ltd | External operation handle device of circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101645377A (en) | 2010-02-10 |
| JP2010040325A (en) | 2010-02-18 |
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