CN102915885B - Bipolar circuit breaker - Google Patents
Bipolar circuit breaker Download PDFInfo
- Publication number
- CN102915885B CN102915885B CN201210424337.6A CN201210424337A CN102915885B CN 102915885 B CN102915885 B CN 102915885B CN 201210424337 A CN201210424337 A CN 201210424337A CN 102915885 B CN102915885 B CN 102915885B
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- CN
- China
- Prior art keywords
- operating mechanism
- arc
- dropout
- double
- control device
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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, conventionally the single-pole circuit breaker for resident and/or illumination of selling in Europe is contained in the housing of 18 mm wides, same, the single-pole circuit breaker for resident and illumination of conventionally selling in the U.S. is contained in 0.75 inch of wide housing.Therefore, carefully distribute the enclosure interior space of 18 mm wides, can increase the circuit protection device quantity in the housing of given shell sizes.On market, occurred, in the modular housing size for single-pole circuit breaker, hold the module of two meritorious electrodes, but its framework being more complicated, parts are installed trouble, dumb simultaneously.
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 adopting according to double-pole cut-out provided by the invention is: comprise housing, be arranged on the cover of two in described housing arc-control device, 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 arranged on 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 described operating mechanism, described two cover arc-control devices are all positioned at the below of described two electromagnetic protection devices, 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 by base, cover plate and in seat form, after described base fastens with cover plate, inside is formed with installation cavity, described middle is arranged in described installation cavity.
Described middle seat is divided into epicoele and cavity of resorption by described installation cavity, and described electromagnetic protection device, described thermel protection device and described operating mechanism are all positioned at described epicoele, and described arc-control device and described contact assembly are positioned at described cavity of resorption.
Described middle seat is also divided into ante-chamber and back cavity by described cavity of resorption, and the described arc-control device of two covers is arranged on respectively in described ante-chamber and 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 described middle seat.
Described contact assembly is positioned at described operating mechanism below and is connected 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 is connected 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 described housing, is arranged on fork, the gear frame being driven by described fork on described knob, rotating turret and two the dropout parts that drive respectively described rotating turret that drive described fork and described gear frame to thread off.
Described rotating turret is hinged on 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 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 portion of pushing to slide, and described gear frame is provided with pressure-bearing surface, described in push to slide pressure-bearing surface described in portion's sliding pressure.
Described gear frame is provided with hook part, described hook part coordinates with described fork, described rotating turret top is provided with groove, described fork bottom is positioned at described groove, and pushing part and the described fork of guiding that the both sides of described groove are formed with respectively for promoting to thread off in described fork and described hook part playback in the guiding surface of groove.
On described dropout part, be also provided with the first operand and the second operand, described arc-control device and described contact assembly touch respectively described the first operand and the second operand.
According to double-pole cut-out provided by the invention compared with prior art tool have the following advantages: first, compact conformation of the present invention, layout is simple, volume is little, compare and dwindled housing width with traditional double-pole cut-out, saved raw material, expanded the scope of application of product; Secondly, in the installation cavity of housing, set up middle seat, facilitate 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 housing volume, has reduced the production cost of product.
Accompanying drawing explanation
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 that the present invention removes the structure chart after cover plate.
Fig. 5 is arranged on arc-control device in ante-chamber and the structure chart of operating mechanism in the present invention.
Fig. 6 is arranged on arc-control device in back cavity and the structure chart of operating mechanism in the present invention.
Fig. 7 is the structure chart of operating mechanism in the present invention.
Fig. 8 is the STRUCTURE DECOMPOSITION figure of operating mechanism in the present invention.
Fig. 9 is the structure chart one of rotating turret in the present invention.
Figure 10 is the structure chart two of rotating turret in the present invention.
Figure 11 is the structure chart three of rotating turret in the present invention.
Figure 12 is the structure chart of part of threading off in 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 arranged on the cover of two in described housing arc-control device 5, 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 arranged on 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 described operating mechanism 3, described two cover arc-control devices 5 are all positioned at the below of described two electromagnetic protection devices 2, 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 of 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, expanded the scope of application of product simultaneously.
Referring to Fig. 1 to Fig. 4, the above embodiments according to the present invention, described housing by base 61, cover plate 62 and in seat 63 form, after described base 61 fastens with cover plate 62, inside are formed with installation cavity, described middle seat 63 is arranged in 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 described middle seat 63.The setting party of middle seat 63 in housing the 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 by described installation cavity; described electromagnetic protection device 2, described thermel protection device 1 and described operating mechanism 3 are all 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 is also divided into ante-chamber and back cavity by described cavity of resorption, and the described arc-control device 5 of two covers is arranged on respectively in described ante-chamber and back cavity.By middle seat 63, installation cavity is divided into different chambers, makes parts action 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 is connected 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 is connected 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 above embodiments according to the present invention, described operating mechanism 3 comprises the knob 31 that is hinged on described housing, is arranged on fork 32, the gear frame 33 being driven by described fork 32 on described knob 31, rotating turret 34 and two the dropout parts 35 that drive respectively described rotating turret 34 that drive described fork 32 and described gear frame 33 to thread off.Operating mechanism 3 in the present invention is 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, 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 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 portion of pushing to slide 352, described gear frame 33 is provided with pressure-bearing surface 331, describedly push to slide pressure-bearing surface 331 described in portion's 352 sliding pressures.Operating mechanism 3 in the present invention is simple in structure, parts are few, be active in one's movements; in this operating mechanism 3, two identical dropout parts 35 drive rotating turret 34 to rotate to same direction by the different parts of pushing part 351; thereby the protection mechanism that makes this operating mechanism 3 can be distributed on both sides drives respectively; structure is ingenious, reasonable in design; contribute to the rational deployment of double-pole cut-out internal structure, thereby dwindle the volume of double-pole cut-out.Meanwhile, the portion that pushes to slide 352 that sliding pressure gear frame 33 moves downward is set on dropout part 35, 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 coordinates 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 pushing part 344 and the described fork 32 of guiding that the both sides of described groove 343 are formed with respectively for promoting to thread off in described fork 32 and described hook part 332 playback in the guiding surface 345 of groove 343.The both sides of groove 343 are made as respectively to pushing part 344 and guiding surface 345 simultaneously, have reduced the linkage part in this operating mechanism, saved raw material, the efficiency of assembling having improved; When concrete use, the reduction of linkage part contributes to improve the reaction speed of breaker mechanism, can be in time by circuitry cuts when situation appears in circuit.
Referring to Fig. 3 and Figure 12; the above embodiments according to the present invention; on described dropout part 35, be also provided with the first operand 353 and the second operand 354, described electromagnetic protection device 2 and described thermel protection device 1 touch respectively described the first operand 353 and the second operand 354.
Claims (9)
1. a double-pole cut-out, comprise housing, be arranged on the cover of two in described housing arc-control device, 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 arranged on 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 described operating mechanism, described two cover arc-control devices are all positioned at the below of described two electromagnetic protection devices, described contact assembly is positioned at the arc control device of described arc-control device, described operating mechanism comprises the knob that is hinged on described housing, is arranged on fork, the gear frame being driven by described fork on described knob, rotating turret and two the dropout parts that drive respectively described rotating turret that drive described fork and described gear frame to thread off, described rotating turret is hinged on 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 pushing part, wherein the pushing part on the described dropout part of a side drives described the first dropout projection, pushing part on the described dropout part of an other side drives described the second dropout projection, described gear frame is provided with hook part, described hook part coordinates with described fork, described rotating turret top is provided with groove, described fork bottom is positioned at described groove, pushing part and the described fork of guiding that the both sides of described groove are formed with respectively for promoting to thread off in described fork and described hook part playback in the guiding surface of groove.
2. double-pole cut-out according to claim 1, is characterized in that: described housing by base, cover plate and in seat form, after described base fastens with cover plate, inside is formed with installation cavity, described middle is arranged in 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 by described installation cavity; described electromagnetic protection device, described thermel protection device and described operating mechanism are all 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 is also divided into ante-chamber and back cavity by described cavity of resorption, and the described arc-control device of two covers is arranged on respectively in described ante-chamber and 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 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 is connected 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 is connected 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: described dropout part is provided with the portion of pushing to slide, and described gear frame is provided with pressure-bearing surface, described in push to slide pressure-bearing surface described in portion's sliding pressure.
9. double-pole cut-out according to claim 1, is characterized in that: on described dropout part, be also provided with the first operand and the second operand, described electromagnetic protection device and described thermel protection device 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 CN102915885A (en) | 2013-02-06 |
| CN102915885B true CN102915885B (en) | 2014-12-17 |
Family
ID=47614209
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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201570461U (en) * | 2009-06-18 | 2010-09-01 | 德力西电气（宁波）有限公司 | Quick-release 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 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2026369B1 (en) * | 2006-05-19 | 2012-12-12 | General Electric Company | Housing for single-pole circuit breaker comprising two current path regions |
| DE102008016036A1 (en) * | 2008-03-28 | 2009-10-01 | Abb Ag | Installation switching device with a double break |
| CN202423168U (en) * | 2011-12-13 | 2012-09-05 | 科都电气有限公司 | Improved 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201570461U (en) * | 2009-06-18 | 2010-09-01 | 德力西电气（宁波）有限公司 | Quick-release 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102915885A (en) | 2013-02-06 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20191030 |