CN103337428B - The miniature circuit breaker of tape jam indicating device - Google Patents
The miniature circuit breaker of tape jam indicating device Download PDFInfo
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- CN103337428B CN103337428B CN201310210858.6A CN201310210858A CN103337428B CN 103337428 B CN103337428 B CN 103337428B CN 201310210858 A CN201310210858 A CN 201310210858A CN 103337428 B CN103337428 B CN 103337428B
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Abstract
The present invention relates to a kind of miniature circuit breaker of tape jam indicating device, mainly solve existing miniature circuit breaker and exist in use and be difficult to judge circuit breaker whether disjunction, probably mislead operator, cause the problem of security incident.In described housing (1), corresponding tripping (5) top is provided with chute (4), faulty indication part (6) is sliding combined with in described chute (4), upper corresponding faulty indication part (6) upper right side of described housing (1) is provided with observation window (8), described faulty indication part (6) lower end is connected with catch bar (7), when described U-shaped bar (3) corresponding tripping (5) one end is extended with dropout and catch bar (7) push up the push rod (31) of press-fit.Have that structure is simple, easy to use, good stability and the high feature of fail safe.
Description
Technical field
The present invention relates to a kind of miniature circuit breaker, refer in particular to a kind of miniature circuit breaker of tape jam indicating device.
Background technology
Miniature circuit breaker belongs to a kind of conventional electric component in low tension switch, is provided with electromagnetic release mechanism, thermal tripping mechanism and manual-operating mechanism, the break-make of realizing circuit can control, and to play a protective role to circuit.When circuit be short-circuited, overload fault time, circuit breaker can automatic shutdown circuit, effectively protects the electric equipment be serially connected in thereafter.It has the defencive function of disjunction short circuit current and generally does not need to change the features such as parts after failture evacuation compared with common disconnecting link.Based on These characteristics, the use of current circuit breaker is very general, and except industrial use, the low tension switch of residential houses is also most to be substituted by circuit breaker.Pressure common miniature circuit breaker, indicates its deciliter state with the position at handle place, and after circuit breaker is because of short circuit or overlond trip, handle also should jump to open position thereupon, according to the position of handle, user can determine whether circuit disconnects.But, dropout and in particular cases, handle instruction but may not be consistent with circuit state, such as, when producing short circuit current in circuit, release is threaded off, and tripping is in free state, and namely handle is in and freely can stirs state, now, be difficult to judge circuit breaker whether disjunction, probably mislead operator, initiation security incident.
Summary of the invention
In order to overcome deficiency in background technology and defect, the invention provides a kind of miniature circuit breaker of tape jam indicating device, mainly solve existing miniature circuit breaker to exist in use and be difficult to judge circuit breaker whether disjunction, probably mislead operator, cause the problem of security incident.
Technical scheme of the present invention is: a kind of miniature circuit breaker of tape jam indicating device, comprise housing, handle is provided with in described housing, moving contact, fixed contact and tripping mechanism, described tripping mechanism includes the snap close be hinged on by central shaft on housing, and the supporter hinged with the concentricity axle of snap close, described supporter coordinates around central shaft linkage rotation with moving contact, described supporter upper end thereof has tripping, described tripping and the clamping of snap close phase, described handle is connected with tripping by U-shaped bar, chute is provided with above corresponding tripping in described housing, faulty indication part is sliding combined with in described chute, on described housing, corresponding faulty indication part upper right side is provided with observation window, described faulty indication part lower end is connected with catch bar, with the push rod promoting masthead press-fit when described U-shaped pole pair answers tripping one end to be extended with dropout.
Described housing is hinged with failure reset part by jointed shaft, described failure reset part can rotate in a circumferential direction around jointed shaft, described supporter upper end is provided with the push pedal that pressure failure reset part lower end, top impels it to rotate in a circumferential direction, and the upper end of failure reset part rotates rear and promotes masthead press-fit.
Described housing is hinged with failure reset part by jointed shaft, described failure reset part can rotate in a circumferential direction around jointed shaft, the right side of described tripping is provided with the push pedal impelling it to rotate in a circumferential direction in pressure failure reset part lower end, top, and the upper end of failure reset part rotates rear and promotes masthead press-fit.
Described failure reset part is hinged with jointed shaft and impels its right handed reduction torsion spring, one end of described reduction torsion spring and housing location fit, the lower end location fit of the other end and failure reset part.
Described catch bar is provided with the inclined plane of matching with push rod.
Beneficial effect of the present invention: owing to taking such scheme, the miniature circuit breaker of tape jam indicating device of the present invention, in normal state, faulty indication part is in left side, namely not corresponding with observation window, when circuit malfunctions, tripping mechanism comes into operation, tripping promotes up to move with U-shaped bar on handle, enter trip status, catch bar on faulty indication part in the push rod jacking sliding groove simultaneously U-shaped bar extended makes faulty indication part turn right slippage, realize red faulty indication part corresponding with observation window, operator can check whether can see red-fault indication piece by observation window, directly can judge circuit breaker whether disjunction, without the need to detecting and disassembling circuit, just circuit maintenance can be carried out fast.Have that structure is simple, easy to use, good stability and the high feature of fail safe.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one fault indicating condition.
Fig. 2 is the close-up schematic view at A place in Fig. 1.
Fig. 3 is the backsight structural representation of the embodiment of the present invention one fault indicating condition.
Fig. 4 is the close-up schematic view at B place in Fig. 3.
Fig. 5 is the structural representation of the embodiment of the present invention one fault recovery state.
Fig. 6 is the close-up schematic view at C place in Fig. 5.
Fig. 7 is the structural representation of faulty indication part in Fig. 1.
Fig. 8 is the structural representation of failure reset part in Fig. 1.
Fig. 9 is the structural representation of U-shaped bar in Fig. 1.
Figure 10 is the structural representation of tripping in Fig. 1.
Figure 11 is the structural representation of supporter in Fig. 1.
Figure 12 is the structural representation of the embodiment of the present invention two fault indicating condition.
Figure 13 is the close-up schematic view at D place in Figure 12.
Figure 14 is the structural representation of tripping in Figure 12.
In figure, 1-housing, 2-handle, 3-U shape bar, 31-push rod, 4-chute, 5-tripping, 6-faulty indication part, 7-catch bar, 72-inclined plane, 8-observation window, 9-failure reset part, 10-reduction torsion spring, 11-jointed shaft, 12-supporter, 121-push pedal, 13-central shaft, 14-snap close, 15-moving contact, 16-fixed contact.
Embodiment
For accompanying drawing, embodiments of the invention are described further below:
Embodiment one:
Shown in Fig. 1-11, the miniature circuit breaker of this tape jam indicating device, comprise housing 1, handle 2 is provided with in described housing 1, moving contact 15, fixed contact 16 and tripping mechanism, described tripping mechanism includes the snap close 14 be hinged on by central shaft 13 on housing 1, and the supporter 12 hinged with the concentricity axle of snap close 14 13, described supporter 12 coordinates around central shaft 13 linkage rotation with moving contact 15, described supporter 12 upper end thereof has tripping 5, described tripping 5 and the clamping of snap close 14 phase, described handle 2 is connected with tripping 5 by U-shaped bar 3, chute 4 is provided with above corresponding tripping 5 in described housing 1, faulty indication part 6 is sliding combined with in described chute 4, on described housing 1, corresponding faulty indication part 6 upper right side is provided with observation window 8, described faulty indication part 6 lower end is connected with catch bar 7, when described U-shaped bar 3 corresponding tripping 5 one end is extended with dropout and catch bar 7 push up the push rod 31 of press-fit.In normal state, faulty indication part is in left side, namely not corresponding with observation window, when circuit malfunctions, tripping mechanism comes into operation, tripping promotes up to move with U-shaped bar on handle, enter trip status, catch bar on faulty indication part in the push rod jacking sliding groove simultaneously U-shaped bar extended makes faulty indication part turn right slippage, realize red faulty indication part corresponding with observation window, operator can check whether can see red-fault indication piece by observation window, directly can judge circuit breaker whether disjunction, without the need to detecting and disassembling circuit, just circuit maintenance can be carried out fast, during fault recovery, by operating mechanism pushing tow or manually can reverse.Have that structure is simple, easy to use, good stability and the high feature of fail safe.
Described housing 1 is hinged with failure reset part 9 by jointed shaft 11, described failure reset part 9 can rotate in a circumferential direction around jointed shaft 11, described supporter 12 upper end is provided with the push pedal 121 that pressure failure reset part 9 lower end, top impels it to rotate in a circumferential direction, and the upper end of failure reset part 9 rotates afterwards and catch bar 7 pushes up press-fit.When operating personnel carry out circuit Problem, when stirring handle and making circuit breaker return to closure state by trip status, be located at the push pedal top pressure of failure reset part on supporter on the right side of faulty indication part, be rotated counterclockwise around jointed shaft, immediately the upper end of failure reset part and faulty indication part inconsistent, promote slippage on the left of faulty indication part, make it away from observation window, namely the initial condition of faulty indication part is recovered, faulty indication during in order to breaking down.Adopt supporter link with moving contact to push up and press failure reset part, make it rotate the mode of top pressure faulty indication part reset, disposablely complete closing and fault recovery of circuit breaker, have stablize, easy to operate effect.
Described failure reset part 9 is hinged with jointed shaft 11 and impels its right handed reduction torsion spring 10, one end of described reduction torsion spring 10 and housing 1 location fit, the lower end location fit of the other end and failure reset part 9.Effectively prevent failure reset part from rocking in the housing, and after fault recovery, make the automatically reset effect of failure reset part, improve the fault recovery stability of circuit breaker.
Described catch bar 7 is provided with the inclined plane 72 of matching with push rod 31.When push rod on U-shaped bar promotes the catch bar on faulty indication part, the thrust of the U-shaped bar that when can decompose dropout by inclined plane, handle drives up moment, make it be converted into the active force of past right direction, prevent the stressed clamping stagnation of faulty indication part, improve the stability of circuit breaker failure instruction.
Embodiment two:
Shown in Figure 12-14, the miniature circuit breaker of this tape jam indicating device, described housing 1 is hinged with failure reset part 9 by jointed shaft 11, described failure reset part 9 can rotate in a circumferential direction around jointed shaft 11, the right side of described tripping 5 is provided with the push pedal 121 impelling it to rotate in a circumferential direction in pressure failure reset part 9 lower end, top, and the upper end of failure reset part 9 rotates afterwards and catch bar 7 pushes up press-fit.After dropout of breaking down, when operating personnel carry out circuit Problem, when stirring handle and making circuit breaker return to closure state by trip status, be located at the push pedal top pressure in tripping of failure reset part on the right side of faulty indication part, be rotated counterclockwise around jointed shaft, immediately the upper end of failure reset part and faulty indication part inconsistent, promote slippage on the left of faulty indication part, making it away from observation window, namely recovering the initial condition of faulty indication part, faulty indication during in order to breaking down.Adopt tripping link with handle to push up and press failure reset part, make it rotate the mode of top pressure faulty indication part reset, disposablely complete closing and fault recovery of circuit breaker, have stablize, easy to operate effect.Other structures all duplicate with embodiment one, repeat no more herein.
Embodiment should not be considered as the restriction to invention, but any improvement done based on spirit of the present invention, all should within protection scope of the present invention.
Claims (4)
1. the miniature circuit breaker of a tape jam indicating device, comprise housing (1), handle (2) is provided with in described housing (1), moving contact (15), fixed contact (16) and tripping mechanism, described tripping mechanism includes the snap close (14) be hinged on by central shaft (13) on housing (1), and the supporter (12) hinged with snap close (14) concentricity axle (13), described supporter (12) coordinates around central shaft (13) linkage rotation with moving contact (15), described supporter (12) upper end thereof has tripping (5), described tripping (5) and snap close (14) phase clamping, described handle (2) is connected with tripping (5) by U-shaped bar (3), it is characterized in that: in described housing (1), corresponding tripping (5) top is provided with chute (4), faulty indication part (6) is sliding combined with in described chute (4), upper corresponding faulty indication part (6) upper right side of described housing (1) is provided with observation window (8), described faulty indication part (6) lower end is connected with catch bar (7), when described U-shaped bar (3) corresponding tripping (5) one end is extended with dropout and catch bar (7) push up the push rod (31) of press-fit, described housing (1) is hinged with failure reset part (9) by jointed shaft (11), described failure reset part (9) can rotate in a circumferential direction around jointed shaft (11), described supporter (12) upper end is provided with the push pedal (121) that pressure failure reset part (9) lower end, top impels it to rotate in a circumferential direction, the upper end of failure reset part (9) rotates afterwards and catch bar (7) pushes up press-fit.
2. the miniature circuit breaker of tape jam indicating device according to claim 1, it is characterized in that: described housing (1) is hinged with failure reset part (9) by jointed shaft (11), described failure reset part (9) can turn around jointed shaft (11) circumference, the right side of described tripping (5) is provided with the push pedal (121) impelling it to rotate in a circumferential direction in pressure failure reset part (9) lower end, top, and the upper end of failure reset part (9) rotates afterwards and catch bar (7) pushes up press-fit.
3. the miniature circuit breaker of tape jam indicating device according to claim 1 and 2, it is characterized in that: the same jointed shaft of described failure reset part (9) (11) is hinged with impels its right handed reduction torsion spring (10), one end of described reduction torsion spring (10) and housing (1) location fit, the lower end location fit of the other end and failure reset part (9).
4. the miniature circuit breaker of tape jam indicating device according to claim 1 and 2, is characterized in that: described catch bar (7) is provided with the inclined plane (72) of matching with push rod (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310210858.6A CN103337428B (en) | 2013-05-31 | 2013-05-31 | The miniature circuit breaker of tape jam indicating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310210858.6A CN103337428B (en) | 2013-05-31 | 2013-05-31 | The miniature circuit breaker of tape jam indicating device |
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| Publication Number | Publication Date |
|---|---|
| CN103337428A CN103337428A (en) | 2013-10-02 |
| CN103337428B true CN103337428B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310210858.6A Active CN103337428B (en) | 2013-05-31 | 2013-05-31 | The miniature circuit breaker of tape jam indicating device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158523B (en) * | 2015-03-30 | 2019-02-05 | 上海良信电器股份有限公司 | A kind of circuit breaker failure tripping indicating device |
| CN110634711B (en) * | 2018-06-25 | 2021-07-30 | 中网电力科技有限公司 | Circuit breaker with split type lock catch tripping mechanism |
Citations (7)
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|---|---|---|---|---|
| US5581218A (en) * | 1993-10-27 | 1996-12-03 | Circuit Breaker Industries Ltd. | Circuit breaker |
| EP1542253A1 (en) * | 2003-12-08 | 2005-06-15 | Schneider Electric Industries SA | Signalling device indicating the triggering of an electrical protection device |
| CN2911947Y (en) * | 2006-06-12 | 2007-06-13 | 丁文军 | State indicator of circuit breaker |
| CN200953462Y (en) * | 2006-09-30 | 2007-09-26 | 浙江德力西电器股份有限公司 | Surge protector fault tripping indicating mechanism |
| CN101217081A (en) * | 2007-12-30 | 2008-07-09 | 人民电器集团有限公司 | A miniature breaker with indicating device |
| CN101533745A (en) * | 2008-03-12 | 2009-09-16 | 浙江正泰电器股份有限公司 | Device for indicating failure of electric apparatus |
| CN203277274U (en) * | 2013-05-31 | 2013-11-06 | 浙江天正电气股份有限公司 | Miniature circuit breaker with default indication device |
-
2013
- 2013-05-31 CN CN201310210858.6A patent/CN103337428B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5581218A (en) * | 1993-10-27 | 1996-12-03 | Circuit Breaker Industries Ltd. | Circuit breaker |
| EP1542253A1 (en) * | 2003-12-08 | 2005-06-15 | Schneider Electric Industries SA | Signalling device indicating the triggering of an electrical protection device |
| CN2911947Y (en) * | 2006-06-12 | 2007-06-13 | 丁文军 | State indicator of circuit breaker |
| CN200953462Y (en) * | 2006-09-30 | 2007-09-26 | 浙江德力西电器股份有限公司 | Surge protector fault tripping indicating mechanism |
| CN101217081A (en) * | 2007-12-30 | 2008-07-09 | 人民电器集团有限公司 | A miniature breaker with indicating device |
| CN101533745A (en) * | 2008-03-12 | 2009-09-16 | 浙江正泰电器股份有限公司 | Device for indicating failure of electric apparatus |
| CN203277274U (en) * | 2013-05-31 | 2013-11-06 | 浙江天正电气股份有限公司 | Miniature circuit breaker with default indication device |
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| CN103337428A (en) | 2013-10-02 |
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