CN102881526B - Breaker contact state indicating mechanism - Google Patents
Breaker contact state indicating mechanism Download PDFInfo
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- CN102881526B CN102881526B CN201210362815.5A CN201210362815A CN102881526B CN 102881526 B CN102881526 B CN 102881526B CN 201210362815 A CN201210362815 A CN 201210362815A CN 102881526 B CN102881526 B CN 102881526B
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- indication piece
- push rod
- breaker
- pedestal
- contact
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Abstract
The invention discloses a breaker contact state indicating mechanism, which comprises a state indicating window arranged on a breaker shell, and an indicating part, a base frame, a mandril and a moving contact which are arranged in the breaker shell. The breaker contact state indicating mechanism is characterized in that the indicating part is pivoted to the upper part of the base frame; a pivot is sleeved with a torsional spring; two ends of the torsional spring are respectively pressed against the indicating part and the base frame; the base frame is provided with a limiting part for limiting the radial movement of the mandril; the mandril is accommodated in the limiting part; the top of the mandril is opposite to the above indicating part, and the bottom of the mandril is pressed against the moving contact and moves vertically under the drive of the moving contact so as to drive the indicating part to turn; the indicating part is provided with indicating marks corresponding to a separating state and a closing state of a breaker; and the two indicating marks are alternately displayed on the indicating window through the turning and resetting of the indicating part. Compared with the prior art, the breaker contact state indicating mechanism has the advantages that the separating and closing states are easily distinguished, the structure is stable, and the working reliability is high.
Description
Technical field
the present invention relates to a kind of contact of breaker state indicating mechanism.
Background technology
at present; along with the development of low-voltage electrical apparatus and the universal of upgrade of rural power grids; traditional protective device for electric safety broken through by autoreclose breaker, and it adopts the principle of mechanical automation and the high-tech Intelligent safe electricity consumption product of new generation succeeded in developing in conjunction with hyundai electronics control technology.
the contact state indicating mechanism of existing above-mentioned circuit breaker is usually too simple, often all be made up of indication piece, push rod and spring, " concavo-convex " effect is realized by the hole covered, normally convex (indication piece stretches out hole) represents gate-dividing state, and recessed (indication piece is not in hole) or flat (indication piece is put down in hole) represents "on" position.Problems existing is: the Reliability of Microprocessor of indicating mechanism is not high, and push rod easily tilts, and adds that after using a period of time, indication piece is easy to wear, causes and clearly cannot distinguish " divide-shut brake " state.
Summary of the invention
the present invention seeks to: provide one more easily to distinguish " divide-shut brake " state, Stability Analysis of Structures, contact of breaker state indicating mechanism that functional reliability is high.
technical scheme of the present invention is: a kind of contact of breaker state indicating mechanism, comprise the state indication window be located on case for circuit breaker and indication piece, pedestal, push rod and the moving contact be located in case for circuit breaker, it is characterized in that described indication piece is pivoted on pedestal top, and pivot is arranged with torsion spring, torsion spring two ends are respectively to being located on indication piece and pedestal; Described pedestal is provided with the radial movable limiting section of restriction push rod, described push rod is contained in described limiting section, the top of described push rod is relative with the indication piece of top, and bottom and moving contact offset and make up and down drive indication piece by the driving of moving contact and overturn, described indication piece is provided with the cue mark of respectively corresponding circuit breaker " separating brake " and " combined floodgates " two states, and described two cue marks alternately show by the upset of indication piece and reset on indication window.
preferably, pedestal below indication piece described in the present invention is provided with middle plate, middle plate is provided with perforate, described push rod top undergauge forms thin bar and stage portion, wherein said thin bar is relative with the indication piece of top through perforate, sheathed spring in this thin bar simultaneously, the two ends of spring are respectively to being located on stage portion and middle plate.
preferably, limiting section described in the present invention is integrated and is located on pedestal and holds the sleeve of push rod.
preferably, the top of pedestal described in the present invention is symmetrical is provided with two pin joint seats, and described indication piece is pivoted between these two pin joint seats.
preferably, indication piece described in the present invention is the secter pat longitudinally arranged, described two cue marks are arranged along the curved surfaces order of secter pat.
it should be noted that, two cue marks related in the present invention can be that Chinese character " divides " and " conjunction ", can certainly be the foreign language word of representative " separating brake " and " combined floodgate " or its abridge, or also can be the different color of corresponding " separating brake " and " combined floodgate ", figure or its mark combined, can be convenient to the popular usual or general identification means identified in routine techniques in a word.During concrete enforcement, described cue mark can be etched on indication piece, and the form can certainly making paster affixes to indication piece surface.
preferably, the bottom of push rod described in the present invention is articulated with roller, and described roller and moving contact offset.The design of roller can guarantee that moving contact is more level and smooth and stable for the driving of push rod.
specific works process of the present invention is as follows, when circuit breaker is in "on" position, and moving contact and fixed contact adhesive, now indication piece hangs down naturally, and " conjunction " word mark of its surface mount just shows on the state indication window of case for circuit breaker; When breaker open operation, moving contact and fixed contact are thrown off, pushing push rod by moving contact, to overcome spring pressure upwards movable, then drive indication piece to overcome torsion spring torsion by push rod to overturn, " dividing " word mark of indication piece surface mount is just shown on the state indication window of case for circuit breaker.When circuit breaker closes a floodgate again, moving contact falls, and push rod resets under spring pressure effect, and indication piece resets under the twisting force of torsion spring immediately, and " conjunction " word mark on indication piece surface is shown on state indication window again.
advantage of the present invention is:
1. this contact of breaker state indicating mechanism provided by the invention, because it adopts push rod indirectly to drive indication piece to present cue mark, compared to existing technology, do not exist and cause because of push rod or indication piece wearing and tearing the situation being difficult to distinguish, there is higher identification, be more convenient to " divide-shut brake " state that user distinguishes circuit breaker.
2. this contact of breaker state indicating mechanism provided by the invention, owing to carrying out spacing by the limiting section on pedestal to push rod radial direction, prevent it from tilting, therefore compared to existing technology, stability when ensure that whole mechanism action and reliability, substantially increase the instruction accuracy of mechanism, and be conducive to the useful life of extending mechanism.
Accompanying drawing explanation
below in conjunction with drawings and Examples, the invention will be further described:
fig. 1 is external structure front view of the present invention;
fig. 2 is the A-A profile of Fig. 1;
fig. 3 is the operating diagram of Fig. 1 embodiment under breaker closing state;
fig. 4 is the operating diagram of Fig. 1 embodiment under breaker open operation state.
wherein: 1, indication piece; 2, pedestal; 2a, middle plate; 2b, sleeve; 2c, pin joint seat; 3, push rod; 3a, thin bar; 3b, stage portion; 4, torsion spring; 5, spring; 6, roller; 7, moving contact; 8, fixed contact; 9, screw; 10, nut.
Embodiment
embodiment: composition graphs 1-Figure 4 shows that a kind of embodiment of contact of breaker state indicating mechanism of the present invention, it is made up of the state indication window (not shown) be located on case for circuit breaker and indication piece 1, pedestal 2, push rod 3, torsion spring 4, spring 5, roller 6, moving contact 7, screw 9 and these parts of nut 10 be located in case for circuit breaker.
first shown in concrete composition graphs 1, Fig. 2, pedestal 2 top in the present embodiment is symmetrical is provided with two pin joint seat 2c, described indication piece 1 is pivoted between these two pin joint seat 2c by screw 9 and nut 10, screw 9 wherein serves as pivot, sheathed torsion spring 4 on it, the two ends of torsion spring 4 are respectively to being located on indication piece 1 and pedestal 2.Pedestal 2 below described indication piece 1 is integrally formed with middle plate 2a, and middle plate 2a is provided with perforate, is integrally formed with a sleeve 2b in the bottom of middle plate 2a simultaneously, and this sleeve 2b is as limiting the radial movable limiting section of push rod 3 in order to hold described push rod 3.It is relative with the indication piece 1 of top through perforate that described push rod 3 top undergauge in the present embodiment forms thin bar 3a and stage portion 3b, wherein said thin bar 3a, and sheathed spring 5 on this thin bar 3a, the two ends of spring 5 are respectively to being located on stage portion 3b and middle plate 2a.
shown in concrete composition graphs 3, Fig. 4, be articulated with roller 6 bottom the push rod 3 in the present embodiment, described roller 6 offsets with moving contact 7.Described push rod 3 can be made up and down drive indication piece 1 by the driving of moving contact 7 and overturn.Set up roller 6 and can guarantee that moving contact 7 is more level and smooth and stable for the driving of push rod 3.
indication piece 1 described in the present embodiment is a secter pat longitudinally arranged, this secter pat is pasted with Chinese character " conjunction " with " dividing " as cue mark successively along its curved surfaces, respectively " combined floodgate " and " separating brake " two states of corresponding circuit breaker.
the specific works process of the present embodiment is as follows, first as shown in Figure 3, when circuit breaker is in "on" position, moving contact 7 and fixed contact 8 adhesive, now indication piece 1 hangs down naturally, and " conjunction " word mark of its surface mount just shows on the state indication window of case for circuit breaker; When breaker open operation, as shown in Figure 4, moving contact 7 and fixed contact 8 are thrown off, pushing push rod 3 by moving contact 7, to overcome spring 5 pressure upwards movable, drive indication piece 1 to overcome torsion spring 4 torsion by push rod 3 again to overturn, " dividing " word mark of indication piece 1 surface mount is just shown on the state indication window of case for circuit breaker.When circuit breaker closes a floodgate again, moving contact 7 falls, and push rod 3 resets under the effect of spring 5 pressure, and indication piece 1 resets under the twisting force of torsion spring 4 immediately, and " conjunction " word mark on indication piece 1 surface is shown on state indication window again.
the present embodiment drives indication piece 1 to present cue mark owing to adopting push rod 3 indirectly, compared to existing technology, there is not the situation causing because push rod 3 or indication piece 1 wear and tear and be difficult to distinguish, there is higher identification, be more convenient to " divide-shut brake " state that user distinguishes circuit breaker.Simultaneously because the present embodiment carries out spacing by the sleeve 2b on pedestal 2 to push rod 3 radial direction, prevent it from tilting, therefore compared to existing technology, stability when ensure that whole mechanism action and reliability, substantially increase the instruction accuracy of mechanism, and be conducive to the useful life of extending mechanism.
certain above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformations of doing according to the Spirit Essence of main technical schemes of the present invention or modification, all should be encompassed within protection scope of the present invention.
Claims (5)
1. a contact of breaker state indicating mechanism, comprise the state indication window be located on case for circuit breaker and indication piece (1), pedestal (2), push rod (3) and the moving contact (7) be located in case for circuit breaker, it is characterized in that described indication piece (1) is pivoted on pedestal (2) top, and pivot being arranged with torsion spring (4), torsion spring (4) two ends are respectively to being located on indication piece (1) and pedestal (2), described pedestal (2) is provided with the radial movable limiting section of restriction push rod (3), described push rod (3) is contained in described limiting section, the top of described push rod (3) is relative with the indication piece (1) of top, and bottom and moving contact (7) offset and do up and down drive indication piece (1) by the driving of moving contact (7) and overturn, described indication piece (1) is provided with the cue mark of corresponding circuit breaker " separating brake " and " combined floodgate " two states respectively, two described cue marks alternately show by the upset and resetting of indication piece (1) on indication window, the pedestal (2) of described indication piece (1) below is provided with middle plate (2a), middle plate (2a) is provided with perforate, described push rod (3) top undergauge forms thin bar (3a) and stage portion (3b), wherein said thin bar (3a) is relative with the indication piece (1) of top through perforate, the upper sheathed spring (5) of this thin bar (3a) simultaneously, the two ends of spring (5) are respectively to being located on stage portion (3b) and middle plate (2a).
2. contact of breaker state indicating mechanism according to claim 1, is characterized in that described limiting section is integrated and is located at pedestal (2) and goes up and the sleeve (2b) holding push rod.
3. contact of breaker state indicating mechanism according to claim 1, it is characterized in that described pedestal (2) top is symmetrical and be provided with two pin joint seats (2c), described indication piece (1) is pivoted between these two pin joint seats (2c).
4. contact of breaker state indicating mechanism according to claim 1, is characterized in that described indication piece (1) is the secter pat longitudinally arranged, two described cue marks are arranged along the curved surfaces order of secter pat.
5. contact of breaker state indicating mechanism according to claim 1, is characterized in that the bottom of described push rod (3) is articulated with roller (6), and described roller (6) and moving contact (7) offset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210362815.5A CN102881526B (en) | 2012-09-26 | 2012-09-26 | Breaker contact state indicating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210362815.5A CN102881526B (en) | 2012-09-26 | 2012-09-26 | Breaker contact state indicating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102881526A CN102881526A (en) | 2013-01-16 |
| CN102881526B true CN102881526B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210362815.5A Active CN102881526B (en) | 2012-09-26 | 2012-09-26 | Breaker contact state indicating mechanism |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104851756B (en) * | 2014-02-18 | 2017-07-04 | 施耐德电气工业公司 | Breaker on/off switch indicating mechanism |
| CN106098433A (en) * | 2016-08-09 | 2016-11-09 | 杭州天目电力科技有限公司 | A kind of RCCB of real-time display divide-shut brake real-time status |
| CN107403708B (en) * | 2017-08-09 | 2019-11-05 | 米格电气江苏有限公司 | The switch-on/off indicator of electric leakage reclosure breaker |
| CN113593938A (en) * | 2021-07-27 | 2021-11-02 | 平高集团有限公司 | Static contact assembly and isolating switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188176A (en) * | 2007-11-27 | 2008-05-28 | Tcl低压电器(无锡)有限公司 | Device for correctly displaying close and open status of plastic breaker contactor |
| CN201134399Y (en) * | 2007-12-24 | 2008-10-15 | 黄亦忠 | Earth leakage breaker with indication device |
| CN101916692A (en) * | 2010-08-13 | 2010-12-15 | 乐清市公认电气有限公司 | Molded case circuit breaker comprising on and off indicating mechanism |
| CN202796784U (en) * | 2012-09-26 | 2013-03-13 | 法泰电器（江苏）股份有限公司 | Contact status indicating mechanism for circuit breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201417716Y (en) * | 2009-04-09 | 2010-03-03 | 苏州未来电器有限公司 | Indicating device of energy storage electric operating mechanism |
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2012
- 2012-09-26 CN CN201210362815.5A patent/CN102881526B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188176A (en) * | 2007-11-27 | 2008-05-28 | Tcl低压电器(无锡)有限公司 | Device for correctly displaying close and open status of plastic breaker contactor |
| CN201134399Y (en) * | 2007-12-24 | 2008-10-15 | 黄亦忠 | Earth leakage breaker with indication device |
| CN101916692A (en) * | 2010-08-13 | 2010-12-15 | 乐清市公认电气有限公司 | Molded case circuit breaker comprising on and off indicating mechanism |
| CN202796784U (en) * | 2012-09-26 | 2013-03-13 | 法泰电器（江苏）股份有限公司 | Contact status indicating mechanism for circuit breaker |
Also Published As
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| CN102881526A (en) | 2013-01-16 |
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