CN201886994U - Movable contact system of universal circuit breaker - Google Patents
Movable contact system of universal circuit breaker Download PDFInfo
- Publication number
- CN201886994U CN201886994U CN2010206079086U CN201020607908U CN201886994U CN 201886994 U CN201886994 U CN 201886994U CN 2010206079086 U CN2010206079086 U CN 2010206079086U CN 201020607908 U CN201020607908 U CN 201020607908U CN 201886994 U CN201886994 U CN 201886994U
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- Prior art keywords
- moving contact
- contact
- movable contact
- circuit breaker
- groove
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Abstract
A movable contact system of a universal circuit breaker mainly solves the problem of difficulty in increasing breaking capacity due to low arc voltage when in breaking of a contact of an existing universal circuit breaker. The movable contact system is characterized in that a movable contact (2) is connected with a movable contact support (1) through guide shaft clamping plates (6) on the two sides, the guide shaft clamping plates (6) are provided with kidney holes (7) corresponding to positioning shafts (4), two ends of each of the positioning shafts (4) are arranged in the kidney holes (7) and capable of sliding, the movable contact support (1) is provided with partition plates (9) matched with contact pieces (3) on the movable contact (2), the contact pieces (3) are arranged among the partition plates (9), and springs (10) are uniformly arranged among the contact pieces (3) and the movable contact support (1). The contact in the movable contact system of a universal circuit breaker adopts a double-breakpoint structure, arc voltage is increased during breaking, and accordingly breaking capacity is strengthened. Meanwhile, the circuit breaker realizes modularization and integration, and is convenient in mounting and dismounting.
Description
Technical field
The utility model relates to a kind of omnipotent breaker, is specifically related to a kind of omnipotent breaker moving contact system.
Background technology
Omnipotent breaker is used for distributing the overload, under voltage, short circuit of electric energy and protection circuit and power-supply device etc., under normal condition, can be used as the usefulness of the not frequent transitions of circuit.Withstand current Icw when the basic mechanical design feature of decision omnipotent breaker performance is specified limit short circuit breaking capacity Icu, specified operation short circuit breaking capacity Ics and specified short circuit.Therefore, adopting various technology to improve basic mechanical design feature, all is very necessary from improving the effectiveness aspect, market that still improves low-voltage electrical apparatus manufacturing enterprise in the horizontal aspect of low voltage electrical apparatus technology.The moving contact of existing omnipotent breaker is the single-break structure, rotating shaft rotation in the operating mechanism drives moving contact and rotates, and then the connection that realizes moving contact and fixed contact with separate, fixed contact is connected with line row, moving contact is connected with load by pigtail lines, and the arc voltage of circuit breaker when disjunction is lower, improves the breaking capacity difficulty, the complex structure of moving contact, the installing/dismounting inconvenience.
The utility model content
For the contact that the overcomes existing omnipotent breaker arc voltage when the disjunction lower, improve the deficiency of breaking capacity difficulty, the utility model provides a kind of omnipotent breaker moving contact system, the contact of this omnipotent breaker moving contact system adopts double-breakpoint structure, improved arc voltage when disjunction, thereby improved breaking capacity, circuit breaker forms modularization simultaneously, modularization, easy installation and removal.
The technical solution of the utility model is: this omnipotent breaker moving contact system comprises moving contact support and moving contact, the contact that moving contact is parallel to each other by multi-disc is stacked on 2 locating shafts at least, be equipped with 2 contacts on each contact, moving contact is connected with the axis of guide clamping plate of moving contact support by both sides, axis of guide clamping plate are provided with and the corresponding mounting hole of locating shaft, the two ends of locating shaft are positioned at mounting hole and can slide, the moving contact support be provided with moving contact on the partition that matches of contact, each contact is between the partition, all is equipped with spring between each contact and the moving contact support.
Described moving contact support is provided with groove and the hole of pulling pin, the sidewall in the groove and the hole of pulling pin is provided with coaxial aperture, the recess sidewall of hole one side of pulling pin is installed with bearing pin, and the front end of described bearing pin places in the counterbore of another sidewall of groove, is provided with the coaxial and contacted locking spring with bearing pin in the hole of pulling pin.
Be fixed with the arc bar on the described moving contact, the arc sheet is installed on the arc bar, described arc sheet is that insulating material and its plate face are provided with sieve aperture, and described arc sheet is positioned at the middle part of moving contact.
Described arc bar is provided with the T-shape groove, and the arc sheet coincide and is plugged in the T-shape groove.
The outside of described axis of guide clamping plate is fixed with the straight-line guidance axle.
The utlity model has following beneficial effect: owing to take such scheme, when moving contact contacted with fixed contact, spring was compressed, and the contact on the moving contact can tightly be contacted with fixed contact, electrical connection properties is good, has guaranteed the excess of stroke distance of moving contact steadily, exactly.Moving contact changes rotatablely moving of operating mechanism into rectilinear motion by the revolution support arm, the straight line closure and the disjunction of moving contact and fixed contact have been realized, thereby the arc voltage that becomes higher when realizing the circuit breaker disjunction reaches the purpose of the breaking capacity that improves circuit breaker; Also simplified simultaneously the structure of moving contact system, made the moving contact system realize modularization, modularization, easy installation and removal.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
Accompanying drawing 2 is stereochemical structure exploded views of the present utility model.
Accompanying drawing 3 is mounting structure cutaway views of bearing pin 13 among Fig. 1.
The 1-moving contact is supported among the figure, 2-moving contact, 3-contact, 4-locating shaft, 5-contact, 6-axis of guide clamping plate, 7-mounting hole, 8-straight-line guidance axle, 9-partition, 10-spring, 11-groove, the 12-hole of pulling pin, the 13-bearing pin, 14-locks spring, 15-arc bar, 16-arc sheet, 17-turns round support arm.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
By Fig. 1 in conjunction with Fig. 2, shown in Figure 3, this omnipotent breaker moving contact system comprises moving contact support 1 and moving contact 2, the contact 3 that moving contact 2 is parallel to each other by multi-disc is stacked on 2 locating shafts 4 at least, be equipped with 2 contacts 5 on each contact 3, moving contact 2 supports that with moving contact 1 axis of guide clamping plate 6 by both sides are connected, axis of guide clamping plate 6 are provided with and locating shaft 4 corresponding mounting holes 7, the two ends of locating shaft 4 are positioned at mounting hole 7 and can slide, guarantee the overtravel of the fashionable moving contact 2 of circuit breaker closing, moving contact support 1 be provided with moving contact 2 on the partition 9 that matches of contact 3, each contact 3 is between the partition 9, all is equipped with spring 10 between each contact 3 and the moving contact support 1.When moving contact 2 contacts with fixed contact, spring 10 is compressed, contact 5 on the moving contact 2 can tightly be contacted with fixed contact, electrical connection properties is good, steadily, guaranteed the excess of stroke distance of moving contact 2 exactly, moving contact 2 changes rotatablely moving of operating mechanism into rectilinear motion by revolution support arm 17, realized straight line closure and the disjunction of moving contact 2 with fixed contact, thereby the arc voltage that becomes higher when realizing the circuit breaker disjunction reaches the purpose of the breaking capacity that improves circuit breaker; Also simplified simultaneously the structure of moving contact system, made the moving contact system realize modularization, modularization, easy installation and removal.
By Fig. 2 in conjunction with shown in Figure 3, described moving contact support 1 is provided with groove 11 and the hole 12 of pulling pin, the sidewall in the groove 11 and the hole 12 of pulling pin is provided with coaxial aperture, groove 11 sidewalls of hole 12 1 sides of pulling pin are installed with bearing pin 13, the front end of described bearing pin 13 places in the counterbore of another sidewall of groove 11, is provided with in the hole 12 of pulling pin and bearing pin 13 coaxial and contacted locking springs 14.The structure of moving contact support 1 is convenient to be connected with cam cantilever in the operating mechanism, the cam cantilever can be extend in the groove 11, utilizes bearing pin 13 to link to each other with the cam cantilever, realizes to the greatest extent under the constant situation of origin operation mechanism, drives moving contact system rectilinear motion.When installation or removal, utilize instrument to extend into to pull pin in the hole 12, compression locking spring 14 can be connected bearing pin 13 with the cam cantilever, and simple in structure, installation or removal make things convenient for.
In conjunction with shown in Figure 2, be fixed with arc bar 15 on the described moving contact 2 by Fig. 1, arc sheet 16 is installed on the arc bar 15, described arc sheet 16 is for insulating material and its plate face are provided with sieve aperture, and described arc sheet 16 is positioned at the middle part of moving contact 2.In use, described arc sheet 16 is between upper and lower static contact, and arc sheet 16 separates 2 contacts 5 on the moving contact 2, avoids electric arc mutual play between 2 contacts 5.Sieve aperture can guarantee circulation of air, does not influence heat radiation.
In conjunction with shown in Figure 2, described arc bar 15 is provided with the T-shape groove by Fig. 1, and arc sheet 16 coincide and is plugged in the T-shape groove.When installation or removal, arc sheet 16 can insert or extract out from T-shape groove one end on the arc bar 15, and is simple in structure, 16 easy installation and removals of arc sheet.
In conjunction with Fig. 2, shown in Figure 3, the outside of described axis of guide clamping plate 6 is fixed with straight-line guidance axle 8 by Fig. 1.Straight-line guidance axle 8 cooperates with line channel on the pedestal, realizes the rectilinear motion of moving contact system.
Claims (5)
1. omnipotent breaker moving contact system, comprise moving contact support (1) and moving contact (2), the contact (3) that moving contact (2) is parallel to each other by multi-disc is stacked on 2 locating shafts (4) at least, be equipped with 2 contacts (5) on each contact (3), it is characterized in that: moving contact (2) is connected with the axis of guide clamping plate (6) of moving contact support (1) by both sides, axis of guide clamping plate (6) are provided with and the corresponding mounting hole of locating shaft (4) (7), the two ends of locating shaft (4) are positioned at mounting hole (7) and can slide, moving contact support (1) be provided with moving contact (2) on the partition (9) that matches of contact (3), each contact (3) is between the partition (9), all is equipped with spring (10) between each contact (3) and the moving contact support (1).
2. omnipotent breaker moving contact according to claim 1 system, it is characterized in that: moving contact support (1) is provided with groove (11) and the hole of pulling pin (12), the sidewall of groove (11) and the hole of pulling pin (12) is provided with coaxial aperture, groove (11) sidewall of hole (12) one sides of pulling pin is installed with bearing pin (13), the front end of described bearing pin (13) places in the counterbore of another sidewall of groove (11), is provided with the coaxial and contacted locking spring (14) with bearing pin (13) in the hole of pulling pin (12).
3. omnipotent breaker moving contact according to claim 1 and 2 system, it is characterized in that: be fixed with arc bar (15) on the moving contact (2), arc sheet (16) is installed on the arc bar (15), described arc sheet (16) is for insulating material and its plate face are provided with sieve aperture, and described arc sheet (16) is positioned at the middle part of moving contact (2).
4. omnipotent breaker moving contact according to claim 3 system, it is characterized in that: described arc bar (15) is provided with the T-shape groove, and arc sheet (16) coincide and is plugged in the T-shape groove.
5. omnipotent breaker moving contact according to claim 1 and 2 system, it is characterized in that: the outside of axis of guide clamping plate (6) is fixed with straight-line guidance axle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206079086U CN201886994U (en) | 2010-11-16 | 2010-11-16 | Movable contact system of universal circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206079086U CN201886994U (en) | 2010-11-16 | 2010-11-16 | Movable contact system of universal circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886994U true CN201886994U (en) | 2011-06-29 |
Family
ID=44184543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206079086U Expired - Fee Related CN201886994U (en) | 2010-11-16 | 2010-11-16 | Movable contact system of universal circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201886994U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986414A (en) * | 2010-11-16 | 2011-03-16 | 浙江电器开关有限公司 | Universal circuit breaker moving contact system |
| CN107017136A (en) * | 2016-01-28 | 2017-08-04 | 浙江正泰电器股份有限公司 | The contact mechanism of omnipotent breaker |
-
2010
- 2010-11-16 CN CN2010206079086U patent/CN201886994U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986414A (en) * | 2010-11-16 | 2011-03-16 | 浙江电器开关有限公司 | Universal circuit breaker moving contact system |
| CN101986414B (en) * | 2010-11-16 | 2012-08-01 | 浙江电器开关有限公司 | Universal circuit breaker moving contact system |
| CN107017136A (en) * | 2016-01-28 | 2017-08-04 | 浙江正泰电器股份有限公司 | The contact mechanism of omnipotent breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI HUATONG ELECTRICITY CO., LTD. SHANGHAI EL Free format text: FORMER OWNER: SHANGHAI HUATONG ELECTRICITY CO., LTD. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hu Tingdong Inventor after: Huang Guoguang Inventor after: Wang Naidun Inventor after: Xu Min Inventor before: Hu Tingdong Inventor before: Huang Guoguang |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HU TINGDONG HUANG GUOGUANG TO: HU TINGDONG HUANG GUOGUANG WANG NAIDUN XU MIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110727 Address after: 325019, A1-03 light industrial park, Wenzhou, Zhejiang, Lucheng Co-patentee after: Shanghai Huatong Electricity Co., Ltd. Patentee after: Zhejiang Electric Appliance and Switchgear Co., Ltd. Co-patentee after: Shanghai Electric Power Corporation Address before: 325019, A1-03 light industrial park, Wenzhou, Zhejiang, Lucheng Co-patentee before: Shanghai Huatong Electricity Co., Ltd. Patentee before: Zhejiang Electric Appliance and Switchgear Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20121116 |