CN101986414B - Universal circuit breaker moving contact system - Google Patents
Universal circuit breaker moving contact system Download PDFInfo
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- CN101986414B CN101986414B CN 201010544985 CN201010544985A CN101986414B CN 101986414 B CN101986414 B CN 101986414B CN 201010544985 CN201010544985 CN 201010544985 CN 201010544985 A CN201010544985 A CN 201010544985A CN 101986414 B CN101986414 B CN 101986414B
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Abstract
The invention discloses a universal circuit breaker moving contact system, which mainly solves the problems that the contact of the conventional circuit breaker has lower arc voltage during break and the breaking capacity is difficultly improved. The universal circuit breaker moving contact system is characterized in that: a moving contact (2) is connected with a moving contact support (1) through guide shaft clamping plates (6) on two sides; waist-shaped holes (7) corresponding to a positioning shaft (4) are formed on the guide shaft clamping plates (6); two ends of the positioning shaft (4) are positioned in the waist-shaped holes (7) and can slide; spacers (9) matched with contact plates (3) on the moving contact (2) are arranged on the moving contact support (1); each contact plate (3) is positioned between the spacers (9); and a spring (10) is respectively arranged between each contact plate (3) and the moving contact support (1). The contact of the universal circuit breaker moving contact system has a dual-break structure, and the arc voltage is improved during the break. Therefore, the breaking capacity is improved, simultaneously the modular and combined circuit breaker is convenient to assemble and disassemble.
Description
Technical field
The present invention relates to a kind of omnipotent breaker, be 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, and rotating shaft in operating mechanism rotation drives moving contact and rotates, so the connection that realizes moving contact and fixed contact with separate; Fixed contact is connected with line row; Moving contact is connected with load through pigtail lines, and the arc voltage of circuit breaker when disjunction is lower, improves the breaking capacity difficulty; The complex structure of moving contact, installing/dismounting is inconvenient.
Summary of the invention
For the contact that the overcomes existing omnipotent breaker arc voltage when the disjunction is lower, improve the deficiency of breaking capacity difficulty, the present invention provides a kind of omnipotent breaker moving contact system; The contact of this omnipotent breaker moving contact system adopts double-breakpoint structure; When disjunction, improved arc voltage, thereby improved breaking capacity, circuit breaker forms modularization simultaneously; Modularization, easy installation and removal.
Technical scheme of the present invention 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 through both sides, and 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 present invention 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 through 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 invention.
Accompanying drawing 2 is stereochemical structure exploded views of the present invention.
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
Below in conjunction with accompanying drawing the present invention is described further:
Combine Fig. 2, shown in Figure 3 by Fig. 1; 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, is equipped with 2 contacts 5 on each contact 3, and moving contact 2 supports that with moving contact 1 axis of guide clamping plate 6 through 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, the overtravel of the fashionable moving contact 2 of assurance 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, and electrical connection properties is good, has guaranteed the excess of stroke distance of moving contact 2 steadily, exactly; Moving contact 2 changes rotatablely moving of operating mechanism into rectilinear motion through revolution support arm 17; Realized the straight line closure and the disjunction of moving contact 2 and fixed contact, thereby the arc voltage that becomes highlyer 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.
Combine shown in Figure 3 by Fig. 2; 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, and 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 be convenient to operating mechanism in the cam cantilever be connected, can the cam cantilever be extend in the groove 11, utilize bearing pin 13 to link to each other with the cam cantilever, realize to the greatest extent under the constant situation of origin operation mechanism, drive 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.
Combined shown in Figure 2ly by Fig. 1, be fixed with arc bar 15 on the described 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.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.
Combined shown in Figure 2ly by Fig. 1, described arc bar 15 is provided with the T-shape groove, 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.
Combine Fig. 2, shown in Figure 3 by Fig. 1, the outside of described axis of guide clamping plate 6 is fixed with straight-line guidance axle 8.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, is equipped with 2 contacts (5) on each contact (3), and moving contact (2) changes rotatablely moving of operating mechanism into rectilinear motion through revolution support arm (17); It is characterized in that: moving contact (2) is connected with the axis of guide clamping plate (6) of moving contact support (1) through both sides; Axis of guide clamping plate (6) are provided with and the corresponding mounting hole of locating shaft (4) (7), and the two ends of locating shaft (4) are positioned at mounting hole (7) and sliding, moving contact support (1) be provided with and 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), and 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 |
|---|---|---|---|
| CN 201010544985 CN101986414B (en) | 2010-11-16 | 2010-11-16 | Universal circuit breaker moving contact system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010544985 CN101986414B (en) | 2010-11-16 | 2010-11-16 | Universal circuit breaker moving contact system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101986414A CN101986414A (en) | 2011-03-16 |
| CN101986414B true CN101986414B (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010544985 Active CN101986414B (en) | 2010-11-16 | 2010-11-16 | Universal circuit breaker moving contact system |
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| Country | Link |
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| CN (1) | CN101986414B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786176B (en) * | 2019-03-03 | 2020-06-05 | 金华九禾磁电科技有限公司 | Waterproof magnetic control switch with electric leakage alarm |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0639846A1 (en) * | 1993-08-19 | 1995-02-22 | ABBPATENT GmbH | Switch spindle for an installation switch |
| CN1767114A (en) * | 2005-10-18 | 2006-05-03 | 王光顺 | Four pole multi speed disjunction contact of extra-high-voltage breaker |
| JP3794163B2 (en) * | 1998-04-21 | 2006-07-05 | 三菱電機株式会社 | Circuit breaker |
| CN201256131Y (en) * | 2008-09-23 | 2009-06-10 | 江苏凯隆电器有限公司 | Contact system for low voltage circuit breaker |
| CN201886994U (en) * | 2010-11-16 | 2011-06-29 | 浙江电器开关有限公司 | Movable contact system of universal circuit breaker |
-
2010
- 2010-11-16 CN CN 201010544985 patent/CN101986414B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0639846A1 (en) * | 1993-08-19 | 1995-02-22 | ABBPATENT GmbH | Switch spindle for an installation switch |
| JP3794163B2 (en) * | 1998-04-21 | 2006-07-05 | 三菱電機株式会社 | Circuit breaker |
| CN1767114A (en) * | 2005-10-18 | 2006-05-03 | 王光顺 | Four pole multi speed disjunction contact of extra-high-voltage breaker |
| CN201256131Y (en) * | 2008-09-23 | 2009-06-10 | 江苏凯隆电器有限公司 | Contact system for low voltage circuit breaker |
| CN201886994U (en) * | 2010-11-16 | 2011-06-29 | 浙江电器开关有限公司 | Movable contact system of universal circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101986414A (en) | 2011-03-16 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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. |
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| 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 |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HU TINGDONG HUANG GUOGUANG TO: HU TINGDONG HUANG GUOGUANG WANG NAIDUN XU MIN |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20110727 Address after: 325019, A1-03 light industrial park, Wenzhou, Zhejiang, Lucheng Applicant after: Zhejiang Electric Appliance and Switchgear Co., Ltd. Co-applicant after: Shanghai Huatong Electricity Co., Ltd. Co-applicant after: Shanghai Electric Power Corporation Address before: 325019, A1-03 light industrial park, Wenzhou, Zhejiang, Lucheng Applicant before: Zhejiang Electric Appliance and Switchgear Co., Ltd. Co-applicant before: Shanghai Huatong Electricity Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 325000 Wenzhou, Lucheng light industrial park, No. Jiang Road, No. 101 Patentee after: Five Electric Co., Ltd. Patentee after: Shanghai Huatong Electricity Co., Ltd. Patentee after: State Grid Shanghai Municipal Electric Power Company Address before: 325019, A1-03 light industrial park, Wenzhou, Zhejiang, Lucheng Patentee before: Zhejiang Electric Appliance and Switchgear Co., Ltd. Patentee before: Shanghai Huatong Electricity Co., Ltd. Patentee before: Shanghai Electric Power Corporation |