CN102915885A - Bipolar circuit breaker - Google Patents
Bipolar circuit breaker Download PDFInfo
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- CN102915885A CN102915885A CN2012104243376A CN201210424337A CN102915885A CN 102915885 A CN102915885 A CN 102915885A CN 2012104243376 A CN2012104243376 A CN 2012104243376A CN 201210424337 A CN201210424337 A CN 201210424337A CN 102915885 A CN102915885 A CN 102915885A
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- operating mechanism
- dropout
- arc
- double
- out according
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A bipolar circuit breaker comprises a shell, as well as two arc-extinguishing devices, two contact assemblies, an operating mechanism, two electromagnetic protection devices for driving the operating mechanism respectively, and two thermal protection devices which are installed inside the shell, wherein the operating mechanism is installed on the middle part of the shell; the two electromagnetic protection devices are positioned on the two sides of the operating mechanism respectively; the two thermal protection devices are positioned between the electromagnetic protection devices and the operating mechanism respectively; the two arc-extinguishing devices are positioned below the two electromagnetic protection devices; and the contact assemblies are positioned inside arc-extinguishing chambers of the arc-extinguishing device. The bipolar circuit breaker has the advantages as follows: the bipolar circuit breaker is compact in structure, simple in layout and small in volume; compared with the conventional bipolar circuit breaker, the width of the shell of the bipolar circuit breaker provided by the invention is reduced, raw materials are saved, the application range of the bipolar circuit breaker is expanded; and a middle base is arranged inside an installing cavity of the shell, so that components can be conveniently installed and fixed and the assembling efficiency of the bipolar circuit breaker is improved.
Description
Technical field
The present invention relates to a kind of circuit breaker, relate in particular to a kind of double-pole cut-out.
Background technology
At present, being widely used of circuit breaker promoted the standardized Shell of circuit breaker size of research and development, for example, usually the single-pole circuit breaker that is used for resident and/or illumination of selling in Europe is contained in the housing of 18 mm wides, same, the single-pole circuit breaker that is used for resident and illumination of usually selling in the U.S. is contained in 0.75 inch wide housing.Therefore, carefully distribute the enclosure interior space of 18 mm wides, can increase the interior circuit protection device quantity of housing of given shell sizes.Occurred on the market simultaneously hold the module of two meritorious electrodes, but its framework being complicated within being used for the modular housing size of single-pole circuit breaker, parts are installed trouble, and are dumb.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiency of above-mentioned prior art, and the double-pole cut-out that a kind of internal structure is rationally distributed, easy to assembly, volume is little is provided.
The main technical schemes that adopts according to double-pole cut-out provided by the invention is: comprise housing; be installed in two cover arc-control devices in the described housing; two groups of contact assemblies; operating mechanism; drive respectively two electromagnetic protection devices and two thermel protection devices of described operating mechanism; described operating mechanism is installed in described housing middle part; described two electromagnetic protection devices lay respectively at the both sides of described operating mechanism; described two thermel protection devices lay respectively between described electromagnetic protection device and the described operating mechanism; described two cover arc-control devices all are positioned at the below of described two electromagnetic protection devices, and described contact assembly is positioned at the arc control device of described arc-control device.
Double-pole cut-out provided by the invention also adopts following attached technical scheme:
Described housing is made of base, cover plate and middle seat, and inside was formed with installation cavity after described base and cover plate fastened, and described middle seat is arranged in the described installation cavity.
Described middle seat is divided into epicoele and cavity of resorption with described installation cavity, and described electromagnetic protection device, described thermel protection device and described operating mechanism all are positioned at described epicoele, and described arc-control device and described contact assembly are positioned at described cavity of resorption.
Described middle seat also is divided into ante-chamber and back cavity with described cavity of resorption, and the described arc-control device of two covers is installed in respectively in described ante-chamber and the back cavity.
Described middle seat is provided with a plurality of jointed shafts, and described operating mechanism, described arc-control device, described contact assembly, electromagnetic protection device and thermel protection device are installed on the described middle seat.
Described contact assembly is positioned at described operating mechanism below and links to each other with described operating mechanism.
Described contact assembly comprises moving contact part and fixed contact parts, and described moving contact part matches with described fixed contact parts, and described moving contact part links to each other with described operating mechanism, and described fixed contact parts are fixed on described arc-control device top.
Described operating mechanism comprises the knob that is hinged on the described housing, rotating turret and two the dropout parts that drive respectively described rotating turret that are arranged on fork, the gear frame by described fork driving, the described fork of driving and the dropout of described gear frame on the described knob.
Described rotating turret is hinged on the described gear frame, described rotating turret both sides are respectively equipped with the first dropout projection and the second dropout projection, described dropout part is positioned at described rotating turret both sides, described dropout part is provided with the pushing part, wherein the pushing part on the described dropout part of a side drives described the first dropout projection, and the pushing part on the described dropout part of an other side drives described the second dropout projection.
Described dropout part is provided with the section of pushing to slide, and described gear frame is provided with pressure-bearing surface, the described described pressure-bearing surface of section's sliding pressure that pushes to slide.
Described gear frame is provided with the hook part, described hook part cooperates with described fork, described rotating turret top is provided with groove, described fork bottom is positioned at described groove, and the both sides of described groove are formed with respectively be used to the pushing part that promotes to thread off in described fork and described hook part and the described fork of guiding playbacks in the guiding surface of groove.
Also be provided with the first operand and the second operand on the described dropout part, described arc-control device and described contact assembly touch respectively described the first operand and the second operand.
Compared with prior art has following advantage according to double-pole cut-out provided by the invention: at first, compact conformation of the present invention, layout is simple, volume is little, compare with traditional double-pole cut-out and to have dwindled the housing width, saved raw material, enlarged the scope of application of product; Secondly, in the installation cavity of housing, set up middle seat, make things convenient for the installation of parts to fix, improved the efficiency of assembling of product; Again, the present invention drives two groups of contact assemblies by an operating mechanism, has again saved raw material, has dwindled the housing volume, has reduced the production cost of product.
Description of drawings
Fig. 1 is structure chart of the present invention.
Fig. 2 is STRUCTURE DECOMPOSITION figure of the present invention.
Fig. 3 is cutaway view of the present invention.
Fig. 4 is the structure chart after the present invention removes cover plate.
Fig. 5 is installed in arc-control device in the ante-chamber and the structure chart of operating mechanism among the present invention.
Fig. 6 is installed in arc-control device in the back cavity and the structure chart of operating mechanism among the present invention.
Fig. 7 is the structure chart of operating mechanism among the present invention.
Fig. 8 is the STRUCTURE DECOMPOSITION figure of operating mechanism among the present invention.
Fig. 9 is the structure chart one of rotating turret among the present invention.
Figure 10 is the structure chart two of rotating turret among the present invention.
Figure 11 is the structure chart three of rotating turret among the present invention.
Figure 12 is the structure chart of dropout part among the present invention.
Embodiment
Referring to Fig. 1 to Fig. 3; according to double-pole cut-out embodiment provided by the invention; comprise housing; be installed in two cover arc-control devices 5 in the described housing; two groups of contact assemblies 4; operating mechanism 3; drive respectively two electromagnetic protection devices 2 and two thermel protection devices 1 of described operating mechanism 3; described operating mechanism 3 is installed in described housing middle part; described two electromagnetic protection devices 2 lay respectively at the both sides of described operating mechanism 3; described two thermel protection devices 1 lay respectively between described electromagnetic protection device 2 and the described operating mechanism 3; described two cover arc-control devices 5 all are positioned at the below of described two electromagnetic protection devices 2, and described contact assembly 4 is positioned at the arc control device of described arc-control device 5.Enclosure interior of the present invention adopts this kind layout structure, make compact conformation between its parts, volume is little, the parts of double-pole cut-out can be distributed in the housing with the same width of traditional single-pole circuit breaker, dwindled the width of double-pole cut-out, save raw material, enlarged simultaneously the scope of application of product.
Referring to Fig. 1 to Fig. 4, the above embodiments according to the present invention, described housing is made of base 61, cover plate 62 and middle seat 63, and inside was formed with installation cavity after described base 61 fastened with cover plate 62, and described middle seat 63 is arranged in the described installation cavity.Described middle seat 63 is provided with a plurality of jointed shafts, and described operating mechanism 3, described arc-control device 5, described contact assembly 4, electromagnetic protection device 2 and thermel protection device 1 are installed on the described middle seat 63.The setting party of middle seat 63 in the housing installation of parts fix, improved the efficiency of assembling of product.
Referring to Fig. 2 to Fig. 6; the above embodiments according to the present invention; described middle seat 63 is divided into epicoele and cavity of resorption with described installation cavity; described electromagnetic protection device 2, described thermel protection device 1 and described operating mechanism 3 all are positioned at described epicoele, and described arc-control device 5 and described contact assembly 4 are positioned at described cavity of resorption.Described middle seat 63 also is divided into ante-chamber and back cavity with described cavity of resorption, and the described arc-control device 5 of two covers is installed in respectively in described ante-chamber and the back cavity.By middle 63 installation cavity is divided into different chambers, so that the parts action is more flexible, insulation effect is good, is conducive to Product Assembly.
Referring to Fig. 2 to Fig. 6, the above embodiments according to the present invention, described contact assembly 4 is positioned at described operating mechanism 3 belows and links to each other with described operating mechanism 4.Described contact assembly 4 comprises moving contact part 42 and fixed contact parts 41, described moving contact part 42 matches with described fixed contact parts 41, described moving contact part 42 links to each other with described operating mechanism 3, and described fixed contact parts 41 are fixed on described arc-control device 5 tops.
Referring to Fig. 7 to Figure 12, the gear frame 33 that the above embodiments according to the present invention, described operating mechanism 3 comprise the knob 31 that is hinged on the described housing, be arranged on fork 32 on the described knob 31, driven by described fork 32, drive rotating turret 34 and two dropout parts 35 that drive respectively described rotating turret 34 that described fork 32 and described gear frame 33 are threaded off.Operating mechanism among the present invention is 3 simple in structure, parts are few, be active in one's movements, and is driven respectively by electromagnetic protection device 2 and thermel protection device 1, has improved the security performance of product, and is more safe and reliable during use.
Referring to Fig. 7 to Figure 12, the above embodiments according to the present invention, described rotating turret 34 is hinged on the described gear frame 33, described rotating turret 34 both sides are respectively equipped with the first dropout projection 341 and the second dropout projection 342, described dropout part 35 is positioned at described rotating turret 34 both sides, described dropout part 35 is provided with pushing part 351, wherein the pushing part on the described dropout part 35 of a side 351 drives described the first dropout projection 341, pushing part 351 on the described dropout part 35 of an other side drives described the second dropout projection 342, described dropout part 35 is provided with the section of pushing to slide 352, described gear frame 33 is provided with pressure-bearing surface 331, the described described pressure-bearing surface 331 of section's 352 sliding pressures that pushes to slide.Operating mechanism among the present invention is 3 simple in structure, parts are few, be active in one's movements; the different parts of two identical dropout parts 35 by pushing part 351 drives rotating turret 34 and rotates to same direction in this operating mechanism 3; thereby the protection mechanism that makes this operating mechanism 3 can be distributed on both sides drives respectively; structure is ingenious, reasonable in design; help the rational deployment of double-pole cut-out internal structure, thereby dwindle the volume of double-pole cut-out.Simultaneously, at dropout part 35 section that pushes to slide 352 that sliding pressure gear frame 33 moves downward is set, increases forced switching-off function, stable switch disconnects performance.
Referring to Fig. 7 to Figure 11, the above embodiments according to the present invention, described gear frame 33 is provided with hook part 332, described hook part 332 cooperates with described fork 32, described rotating turret 34 tops are provided with groove 343, described fork 32 bottoms are positioned at described groove 343, and the both sides of described groove 343 are formed with respectively be used to promoting described fork 32 playbacks in the guiding surface 345 of groove 343 with the described fork 32 of guiding with the pushing part 344 of threading off in described hook part 332.Both sides with groove 343 are made as respectively pushing part 344 and guiding surface 345 simultaneously, have reduced the linkage part in this operating mechanism, saved raw material, the efficiency of assembling that has improved; When concrete the use, the reduction of linkage part helps to improve the reaction speed of breaker mechanism, can be in time with circuitry cuts when situation appears in circuit.
Referring to Fig. 3 and Figure 12; the above embodiments according to the present invention; also be provided with the first operand 353 and the second operand 354 on the described dropout part 35, described electromagnetic protection device 2 and described thermel protection device 1 touch respectively described the first operand 353 and the second operand 354.
Claims (12)
1. double-pole cut-out; comprise housing; be installed in two cover arc-control devices in the described housing; two groups of contact assemblies; operating mechanism; drive respectively two electromagnetic protection devices and two thermel protection devices of described operating mechanism; it is characterized in that: described operating mechanism is installed in described housing middle part; described two electromagnetic protection devices lay respectively at the both sides of described operating mechanism; described two thermel protection devices lay respectively between described electromagnetic protection device and the described operating mechanism; described two cover arc-control devices all are positioned at the below of described two electromagnetic protection devices, and described contact assembly is positioned at the arc control device of described arc-control device.
2. double-pole cut-out according to claim 1 is characterized in that: described housing is made of base, cover plate and middle seat, and inside was formed with installation cavity after described base fastened with cover plate, and described middle is arranged in the described installation cavity.
3. double-pole cut-out according to claim 2; it is characterized in that: described middle seat is divided into epicoele and cavity of resorption with described installation cavity; described electromagnetic protection device, described thermel protection device and described operating mechanism all are positioned at described epicoele, and described arc-control device and described contact assembly are positioned at described cavity of resorption.
4. double-pole cut-out according to claim 3 is characterized in that: described middle seat also is divided into ante-chamber and back cavity with described cavity of resorption, and the described arc-control device of two covers is installed in respectively in described ante-chamber and the back cavity.
5. double-pole cut-out according to claim 2 is characterized in that: described middle seat is provided with a plurality of jointed shafts, and described operating mechanism, described arc-control device, described contact assembly, electromagnetic protection device and thermel protection device are installed on the described middle seat.
6. double-pole cut-out according to claim 1 is characterized in that: described contact assembly is positioned at described operating mechanism below and links to each other with described operating mechanism.
7. double-pole cut-out according to claim 1, it is characterized in that: described contact assembly comprises moving contact part and fixed contact parts, described moving contact part matches with described fixed contact parts, described moving contact part links to each other with described operating mechanism, and described fixed contact parts are fixed on described arc-control device top.
8. double-pole cut-out according to claim 1 is characterized in that: the gear frame that described operating mechanism comprises the knob that is hinged on the described housing, be arranged on fork on the described knob, driven by described fork, drive rotating turret and two dropout parts that drive respectively described rotating turret of described fork and the dropout of described gear frame.
9. double-pole cut-out according to claim 8, it is characterized in that: described rotating turret is hinged on the described gear frame, described rotating turret both sides are respectively equipped with the first dropout projection and the second dropout projection, described dropout part is positioned at described rotating turret both sides, described dropout part is provided with the pushing part, wherein the pushing part on the described dropout part of a side drives described the first dropout projection, and the pushing part on the described dropout part of an other side drives described the second dropout projection.
10. double-pole cut-out according to claim 8, it is characterized in that: described dropout part is provided with the section of pushing to slide, and described gear frame is provided with pressure-bearing surface, the described described pressure-bearing surface of section's sliding pressure that pushes to slide.
11. double-pole cut-out according to claim 8, it is characterized in that: described gear frame is provided with the hook part, described hook part cooperates with described fork, described rotating turret top is provided with groove, described fork bottom is positioned at described groove, and the both sides of described groove are formed with respectively be used to the pushing part that promotes to thread off in described fork and described hook part and the described fork of guiding playbacks in the guiding surface of groove.
12. double-pole cut-out according to claim 8 is characterized in that: also be provided with the first operand and the second operand on the described dropout part, described arc-control device and described contact assembly touch respectively described the first operand and the second operand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210424337.6A CN102915885B (en) | 2012-10-30 | 2012-10-30 | Bipolar circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210424337.6A CN102915885B (en) | 2012-10-30 | 2012-10-30 | Bipolar circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102915885A true CN102915885A (en) | 2013-02-06 |
| CN102915885B CN102915885B (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210424337.6A Expired - Fee Related CN102915885B (en) | 2012-10-30 | 2012-10-30 | Bipolar circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102915885B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070268097A1 (en) * | 2006-05-19 | 2007-11-22 | General Electric Company | Space allocation for switching apparatus |
| US20090242373A1 (en) * | 2008-03-28 | 2009-10-01 | Abb Ag | Service switching device with double-break contacts |
| CN201570461U (en) * | 2009-06-18 | 2010-09-01 | 德力西电气（宁波）有限公司 | Quick-release breaker |
| CN202423168U (en) * | 2011-12-13 | 2012-09-05 | 科都电气有限公司 | Improved circuit breaker |
| CN102709125A (en) * | 2012-05-18 | 2012-10-03 | 东莞基业电气设备有限公司 | Operating mechanism of small circuit breaker |
| CN202839487U (en) * | 2012-10-30 | 2013-03-27 | 科都电气有限公司 | Double-pole circuit breaker |
-
2012
- 2012-10-30 CN CN201210424337.6A patent/CN102915885B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070268097A1 (en) * | 2006-05-19 | 2007-11-22 | General Electric Company | Space allocation for switching apparatus |
| US20090242373A1 (en) * | 2008-03-28 | 2009-10-01 | Abb Ag | Service switching device with double-break contacts |
| CN201570461U (en) * | 2009-06-18 | 2010-09-01 | 德力西电气（宁波）有限公司 | Quick-release breaker |
| CN202423168U (en) * | 2011-12-13 | 2012-09-05 | 科都电气有限公司 | Improved circuit breaker |
| CN102709125A (en) * | 2012-05-18 | 2012-10-03 | 东莞基业电气设备有限公司 | Operating mechanism of small circuit breaker |
| CN202839487U (en) * | 2012-10-30 | 2013-03-27 | 科都电气有限公司 | Double-pole circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102915885B (en) | 2014-12-17 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20141217 Termination date: 20191030 |