CN205789775U - Mold cased circuit breaker - Google Patents
Mold cased circuit breaker Download PDFInfo
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- CN205789775U CN205789775U CN201620483289.1U CN201620483289U CN205789775U CN 205789775 U CN205789775 U CN 205789775U CN 201620483289 U CN201620483289 U CN 201620483289U CN 205789775 U CN205789775 U CN 205789775U
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- contact
- arc
- louvre
- circuit breaker
- extinguishing
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Abstract
A kind of mold cased circuit breaker, it includes pedestal and is arranged on the case above pedestal, the contact mechanism being arranged in pedestal, the operating mechanism being connected with contact mechanism, arc-extinguishing mechanism, operating mechanism is arranged on the top of contact mechanism, arc-extinguishing mechanism is arranged on the side of contact mechanism, operating mechanism is provided with and stretches out the hands handle supplying user operation outside case, case is provided with the handle perforation dodging handle, it is provided with first louvre corresponding with arc-extinguishing mechanism position near the side of arc-extinguishing mechanism in handle perforation, by the setting of the first louvre on case, can be so that the heat that energising produces operationally be discharged by mold cased circuit breaker, and by the first louvre is arranged on the position corresponding with arc-extinguishing mechanism, the thermal diffusivity of arc-extinguishing mechanism can also be improved.Additionally, by the setting of the second louvre on the guidance panel coordinated with handle, can further improve the thermal diffusivity of mold cased circuit breaker, but also ensure that enough creep age distances.
Description
Technical field
This utility model relates to Low Voltage Electrical Apparatus, particularly relates to a kind of mold cased circuit breaker.
Background technology
Mold cased circuit breaker is the important component part of electrical equipment industry, and has been obtained for being widely applied.When circuit is working properly, mold cased circuit breaker can reach the functions such as power failure, power supply and change-over circuit by Guan Bi or the circuit disconnecting supply electric energy.When overload, decompression, the fault such as under-voltage or short-circuit occurs in circuit, mold cased circuit breaker again can be automatically by circuitry cuts, it is to avoid jeopardize the safety of staff and the properly functioning of equipment because of fault.The case of existing mold cased circuit breaker more seals with internal structure, is unfavorable for dispersing the heat that internal energising produces.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, it is provided that the mold cased circuit breaker that a kind of simple in construction, reliability are high.
For achieving the above object, this utility model adopts the technical scheme that
A kind of mold cased circuit breaker, it includes pedestal 110 and is arranged on the case 120 above pedestal 110, the contact mechanism 200 being arranged in pedestal 110, the operating mechanism 300 being connected with contact mechanism 200, arc-extinguishing mechanism 400, operating mechanism 300 is arranged on the top of contact mechanism 200, arc-extinguishing mechanism 400 is arranged on the side of contact mechanism 200, operating mechanism 300 is provided with and stretches out the outer handle 310 for user operation of case 120, case 120 is provided with the handle perforation 122 dodging handle 310, first louvre 121 corresponding with arc-extinguishing mechanism 300 position it is provided with near the side of arc-extinguishing mechanism 400 in handle perforation 122.
Optionally, described case 120 is provided with the guidance panel 130 coordinated with handle perforation 122, and guidance panel 130 is provided with the second louvre 131 coordinated with the first louvre 121.
Optionally, described in the first louvre 121 of being arranged on case 120 include multiple first louvre row, each first louvre package includes multiple first little louvre；Described the second louvre 131 being arranged on guidance panel 130 includes multiple second louvre row, and each second louvre package includes multiple second little louvre.
Optionally, the diameter of described first little louvre is less than 2mm；The diameter of the second little louvre is less than 2mm.
Optionally, described contact mechanism 200 includes the static contact 220 being arranged in pedestal 110 and the moving contact 210 being arranged in contact support 230, contact support 230 is pivoted in pedestal 110 by support 111, contact support 230 is connected with operating mechanism 300, and moving contact 210 can be driven under operating mechanism 300 drives to swing closer or far from static contact 220.
Optionally, described moving contact 210 is pivoted on contact by contact axle 211 and supports the inner side of 230, working end 212 that moving contact 210 includes being provided with movable contact and the terminals 213 for wiring, being provided with buffer spring 214 between working end 212 and contact support 230, the terminals 213 of the other end offset with contact support 230.
Optionally, described static contact 220 is arranged on the position that the lower section of arc-extinguishing mechanism 400 is corresponding with moving contact 210, static contact 220 includes connecting plate 221, stationary contact 222 and run-on tab 223, the two ends of connecting plate 221 are respectively used to wiring and coordinate with the moving contact 210 of chopper, being provided with and multiple stationary contacts 222 of moving contact 210 corresponding matching on connecting plate 221 with moving contact 210 abutting end, the plurality of stationary contact 222 is distributed in staggered floor.
Optionally, the arc-chutes 410 that described arc-extinguishing mechanism 400 coordinates with contact mechanism 200 in including being arranged on pedestal 110, contact mechanism 200 is set in the side of arc-chutes 410, opposite side at arc-chutes 410 is provided with the free mechanism 420 that disappears, described arc-chutes 410 include two blocks of arc extinguishing side plates 411 and are disposed on the multiple arc extinguishing grid pieces 412 between two blocks of arc extinguishing side plates 411, and arc extinguishing grid pieces 412 dodges the arc extinguishing breach 413 of moving contact 210 near moving contact 210 side being provided with.
Optionally, described at least two row that free mechanism 420 includes being spaced that disappear disappear free bar 421, the free bar 421 that disappears being positioned at same string is intervally installed, and the free bar 421 that disappears of arbitrary neighborhood row misses one another setting.
Optionally, described operating mechanism 300 includes the rocking arm 320 being pivoted in pedestal 110; one end of rocking arm 320 is connected with handle 310; other end is pivotally connected with the support 111 of pedestal 110; rocking arm 320 is provided with the main spring 311 being pivotally connected with drive shaft 313; drive shaft 313 is provided with supports that with contact 230 connecting rods 314 that are connected, rocking arm 320 pass through main spring 311 and can swing by the moving contact 210 in band moving contact support 230；Described rocking arm 320 is provided with the tripping 315 with snap fit, described main spring 311 is two and is arranged on the both sides of tripping 315, tripping 315 is pivoted on the fixing axle 112 of support 111 and is connected with drive shaft 313 by side plate 316, it is provided with in the side of fixing axle 112 and supports that with contact 230 separating brakes coordinated hit axle 113, hit being provided with separating brake support member 114 between axle 113 and side plate 316 at separating brake.
Mold cased circuit breaker of the present utility model passes through the setting of the first louvre on case, can be so that the heat that energising produces operationally be discharged by mold cased circuit breaker, and by the first louvre is arranged on the position corresponding with arc-extinguishing mechanism, it is also possible to improve the thermal diffusivity of arc-extinguishing mechanism.Additionally, by the setting of the second louvre on the guidance panel coordinated with handle, can further improve the thermal diffusivity of mold cased circuit breaker, but also ensure that enough creep age distances.
Accompanying drawing explanation
Fig. 1 is the part sectioned view of this utility model mold cased circuit breaker structure；
Fig. 2 is the structural representation of this utility model mold cased circuit breaker the second louvre；
Fig. 3 is the profile of this utility model mold cased circuit breaker contact mechanism structure；
Fig. 4 is the structural representation of the static contact of this utility model mold cased circuit breaker；
Fig. 5 is the structural representation of the arc-extinguishing mechanism of this utility model mold cased circuit breaker；
Fig. 6 is the structural representation of the operating mechanism of this utility model mold cased circuit breaker；
Fig. 7 is the structural representation of the tripping of this utility model mold cased circuit breaker；
Fig. 8 is the partial structurtes schematic diagram of this utility model mold cased circuit breaker.
Detailed description of the invention
The embodiment be given below in conjunction with accompanying drawing 1 to 8, further illustrates the detailed description of the invention of mold cased circuit breaker of the present utility model.Mold cased circuit breaker of the present utility model is not limited to the following description.
As shown in Figure 1, mold cased circuit breaker of the present utility model includes pedestal 110 and is arranged on the case 120 above pedestal 110, the contact mechanism 200 being arranged in pedestal 110, the operating mechanism 300 being connected with contact mechanism 200, arc-extinguishing mechanism 400, operating mechanism 300 is arranged on the top of contact mechanism 200, arc-extinguishing mechanism 400 is arranged on the side of contact mechanism 200, operating mechanism 300 is provided with and stretches out the outer handle 310 for user operation of case 120, case 120 is provided with the handle perforation 122 dodging handle 310, first louvre 121 corresponding with arc-extinguishing mechanism 300 position it is provided with near the side of arc-extinguishing mechanism 400 in handle perforation 122.Operating mechanism 300 moving contact 210 of band dynamic contact mechanism 200 can contact with static contact 220 or separate, arc-extinguishing mechanism 400 is for extinguishing the electric arc that contact mechanism 200 produces in action, the heat that arc-extinguishing mechanism 400 produces during arc extinguishing is discharged by the first louvre 121, and the heat that in mold cased circuit breaker, other element produces in galvanization, it is also possible to discharged by the first louvre 121.
In conjunction with Fig. 2, described case 120 is provided with the guidance panel 130 coordinated with handle perforation 122, and guidance panel 130 is provided with the second louvre 131 coordinated with the first louvre 121.Concrete, described in the first louvre 121 of being arranged on case 120 include multiple first louvre row, each first louvre package includes multiple first little louvre；Described the second louvre 131 being arranged on guidance panel 130 includes multiple second louvre row, and each second louvre package includes multiple second little louvre.
Further, the diameter of the first little louvre is less than 2mm；The diameter of the second little louvre is less than 2mm, by and arranging little louvre on case 120 on guidance panel 130, also ensures that creep age distance and prevents electric shock risk, improve reliability while increasing heat radiation.
As shown in Figure 3, described contact mechanism 200 includes the static contact 220 being arranged in pedestal 110 and the moving contact 210 being arranged in contact support 230, contact support 230 is pivoted in pedestal 110 by support 111, contact support 230 is connected with operating mechanism 300, and moving contact 210 can be driven under operating mechanism 300 drives to swing closer or far from static contact 220.Described moving contact 210 is pivoted on contact by contact axle 211 and supports the inner side of 230, working end 212 that moving contact 210 includes being provided with movable contact and the terminals 213 for wiring, being provided with buffer spring 214 between working end 212 and contact support 230, the terminals 213 of the other end offset with contact support 230.
Shown in Fig. 4, static contact 220 of the present utility model is arranged on the position that the lower section of arc-extinguishing mechanism 400 is corresponding with moving contact 210, static contact 220 includes connecting plate 221, stationary contact 222 and run-on tab 223, the two ends of connecting plate 221 are respectively used to wiring and coordinate with the moving contact 210 of chopper, being provided with and multiple stationary contacts 222 of moving contact 210 corresponding matching on connecting plate 221 with moving contact 210 abutting end, the plurality of stationary contact 222 is distributed in staggered floor.
As shown in Fig. 3, Fig. 5, the arc-chutes 410 that described arc-extinguishing mechanism 400 coordinates with contact mechanism 200 in including being arranged on pedestal 110, contact mechanism 200 is set in the side of arc-chutes 410, opposite side at arc-chutes 410 is provided with the free mechanism 420 that disappears, described arc-chutes 410 include two blocks of arc extinguishing side plates 411 and are disposed on the multiple arc extinguishing grid pieces 412 between two blocks of arc extinguishing side plates 411, and arc extinguishing grid pieces 412 dodges the arc extinguishing breach 413 of moving contact 210 near moving contact 210 side being provided with.
Further, described at least two row that free mechanism 420 includes being spaced that disappear disappear free bar 421, the free bar 421 that disappears being positioned at same string is intervally installed, and the free bar 421 that disappears of arbitrary neighborhood row misses one another setting.Disappeared free bar 421 by the multiple row being dislocatedly distributed that is provided with at arc-chutes so that the high-temperature electric arc gas discharged in arc-chutes quickly disappears free.
As shown in Figure 6, described operating mechanism 300 includes the rocking arm 320 being pivoted in pedestal 110; one end of rocking arm 320 is connected with handle 310; other end is pivotally connected with the support 111 of pedestal 110; rocking arm 320 is provided with the main spring 311 being pivotally connected with drive shaft 313; drive shaft 313 is provided with supports that with contact 230 connecting rods 314 that are connected, rocking arm 320 pass through main spring 311 and can swing by the moving contact 210 in band moving contact support 230.
Further, described rocking arm 320 is provided with the tripping 315 coordinated with snap close (not shown), described main spring 311 is two and is arranged on the both sides of tripping 315, tripping 315 is pivoted on the fixing axle 112 of support 111 and is connected with drive shaft 313 by side plate 316, it is provided with in the side of fixing axle 112 and supports that with contact 230 separating brakes coordinated hit axle 113, hit being provided with separating brake support member 114 between axle 113 and side plate 316 at separating brake.
As shown in fig. 6-7, described tripping 315 includes turning end 96b being connected with the sliding end 96a driving plate 22 to coordinate and the drive end 96e being connected with side plate 316 with fixing axle 112, described sliding end 96a is positioned at the side of drive end 96e and coordinates with rocking arm 320, drive end 96e opposite side deviates from sliding end 96a and extends and form the keyed end 96c with snap fit, and form between keyed end 96c and turning end 96b that opening deviates from sliding end 96a dodges opening 96d；Tripping 315 is pivotally connected with side plate 316 by side plate axle 95b, side plate 316 is provided with the side plate axis hole 95c coordinated with side plate axle 95b, the side plate axial trough 95d being connected with drive shaft 313 it is provided with in the end of side plate 316, side plate axial trough 95d inwall is the arc-shaped structure coordinated with drive shaft 313, and drive shaft 313 is provided with the driving axial trough 313a coordinated with side plate axial trough 95d.
As shown in Figure 8, the mold cased circuit breaker of the present embodiment is three-phase structure, it includes three contact mechanisms linked 200, the contact support 230 of three contact mechanisms 200 is connected by rotating shaft 115, one of them contact mechanism 200 is connected with operating mechanism 300, operating mechanism 300, by driving the contact mechanism 200 being connected motion that other two contact mechanisms 200 can be driven to be synchronized with the movement, corresponding in pedestal 110 is provided with three arc-extinguishing mechanisms 400.
Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to assert that of the present utility model being embodied as is confined to these explanations.For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
- null1. a mold cased circuit breaker，It is characterized in that: include pedestal (110) and be arranged on the case (120) of pedestal (110) top、The contact mechanism (200) being arranged in pedestal (110)、The operating mechanism (300) being connected with contact mechanism (200)、Arc-extinguishing mechanism (400)，Operating mechanism (300) is arranged on the top of contact mechanism (200)，Arc-extinguishing mechanism (400) is arranged on the side of contact mechanism (200)，Operating mechanism (300) is provided with and stretches out case (120) outward for the handle (310) of user operation，Case (120) is provided with handle perforation (122) dodging handle (310)，It is provided with first louvre (121) corresponding with arc-extinguishing mechanism (300) position near the side of arc-extinguishing mechanism (400) at handle perforation (122).
- Mold cased circuit breaker the most according to claim 1, it is characterized in that: described case (120) is provided with the guidance panel (130) coordinated with handle perforation (122), and guidance panel (130) is provided with the second louvre (131) coordinated with the first louvre (121).
- Mold cased circuit breaker the most according to claim 2, it is characterised in that the first louvre (121) being arranged on described in: on case (120) includes multiple first louvre row, and each first louvre package includes multiple first little louvre；Described the second louvre (131) being arranged on guidance panel (130) includes multiple second louvre row, and each second louvre package includes multiple second little louvre.
- 4. according to the mold cased circuit breaker described in claim 3, it is characterised in that: the diameter of described first little louvre is less than 2mm；The diameter of the second little louvre is less than 2mm.
- Mold cased circuit breaker the most according to claim 1, it is characterized in that: described contact mechanism (200) includes the static contact (220) being arranged in pedestal (110) and the moving contact (210) being arranged in contact support (230), contact supports that (230) are pivoted in pedestal (110) by support (111), contact supports that (230) are connected with operating mechanism (300), and moving contact (210) can be driven under operating mechanism (300) drives to swing closer or far from static contact (220).
- Mold cased circuit breaker the most according to claim 3, it is characterized in that: described moving contact (210) is pivoted on the inner side of contact support (230) by contact axle (211), moving contact (210) includes the working end (212) being provided with movable contact and the terminals (213) being used for wiring, being provided with buffer spring (214) between working end (212) and contact support (230), the terminals (213) of the other end offset with contact support (230).
- Mold cased circuit breaker the most according to claim 3, it is characterized in that: described static contact (220) is arranged on the position that the lower section of arc-extinguishing mechanism (400) is corresponding with moving contact (210), static contact (220) includes connecting plate (221), stationary contact (222) and run-on tab (223), the two ends of connecting plate (221) are respectively used to wiring and coordinate with the moving contact (210) of chopper, connecting plate (221) with moving contact (210) abutting end are provided with the multiple stationary contacts (222) with moving contact (210) corresponding matching, the plurality of stationary contact (222) is distributed in staggered floor.
- Mold cased circuit breaker the most according to claim 1, it is characterized in that: the arc-chutes (410) that described arc-extinguishing mechanism (400) coordinates with contact mechanism (200) in including being arranged on pedestal (110), contact mechanism (200) is set in the side of arc-chutes (410), opposite side at arc-chutes (410) is provided with the free mechanism (420) that disappears, described arc-chutes (410) include two pieces of arc extinguishing side plates (411), and the multiple arc extinguishing grid pieces (412) being disposed between two pieces of arc extinguishing side plates (411), arc extinguishing grid pieces (412) dodges the arc extinguishing breach (413) of moving contact (210) near moving contact (210) side being provided with.
- Mold cased circuit breaker the most according to claim 6, it is characterized in that: described at least two row that free mechanism (420) includes being spaced that disappear disappear free bar (421), the free bar (421) that disappears being positioned at same string is intervally installed, and the free bar (421) that disappears of arbitrary neighborhood row misses one another setting.
- Mold cased circuit breaker the most according to claim 1, it is characterized in that: described operating mechanism (300) includes the rocking arm (320) being pivoted in pedestal (110), one end of rocking arm (320) is connected with handle (310), the other end is pivotally connected with the support (111) of pedestal (110), rocking arm (320) is provided with the main spring (311) being pivotally connected with drive shaft (313), drive shaft (313) is provided with the connecting rod (314) being connected with contact support (230), rocking arm (320) can support that the moving contact (210) on (230) swings by band moving contact by main spring (311)；Described rocking arm (320) is provided with the tripping (315) with snap fit, described main spring (311) is two and is arranged on the both sides of tripping (315), tripping (315) is pivoted on the fixing axle (112) of support (111) and above and is connected with drive shaft (313) by side plate (316), it is provided with the separating brake coordinated with contact support (230) in the side of fixing axle (112) and hits axle (113), hit being provided with separating brake support member (114) between axle (113) and side plate (316) at separating brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620483289.1U CN205789775U (en) | 2016-05-25 | 2016-05-25 | Mold cased circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620483289.1U CN205789775U (en) | 2016-05-25 | 2016-05-25 | Mold cased circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205789775U true CN205789775U (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620483289.1U Active CN205789775U (en) | 2016-05-25 | 2016-05-25 | Mold cased circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205789775U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727831A (en) * | 2017-10-31 | 2019-05-07 | 浙江正泰电器股份有限公司 | Breaker |
| WO2022206919A1 (en) * | 2021-04-01 | 2022-10-06 | 上海正泰智能科技有限公司 | Operating mechanism of circuit breaker, and circuit breaker |
-
2016
- 2016-05-25 CN CN201620483289.1U patent/CN205789775U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727831A (en) * | 2017-10-31 | 2019-05-07 | 浙江正泰电器股份有限公司 | Breaker |
| CN109727831B (en) * | 2017-10-31 | 2024-06-04 | 浙江正泰电器股份有限公司 | Circuit breaker |
| WO2022206919A1 (en) * | 2021-04-01 | 2022-10-06 | 上海正泰智能科技有限公司 | Operating mechanism of circuit breaker, and circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wenzhou Zhengtai Electrical Technology Co., Ltd Assignor: Zhejiang Chint Electrics Co.,Ltd. Contract record no.: X2020330000078 Denomination of utility model: Plastic case circuit breaker Granted publication date: 20161207 License type: Common License Record date: 20201021 |
|
| EE01 | Entry into force of recordation of patent licensing contract |