CN202268314U - Multi-breakpoint direct current type molded case circuit breaker - Google Patents
Multi-breakpoint direct current type molded case circuit breaker Download PDFInfo
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- CN202268314U CN202268314U CN201120409263XU CN201120409263U CN202268314U CN 202268314 U CN202268314 U CN 202268314U CN 201120409263X U CN201120409263X U CN 201120409263XU CN 201120409263 U CN201120409263 U CN 201120409263U CN 202268314 U CN202268314 U CN 202268314U
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- short circuit
- circuit conductor
- breaker
- circuit breaker
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Abstract
A multi-breakpoint direct current type molded case circuit breaker belongs to the technical field of low voltage electrical appliances and comprises a casing with a base, short circuit conductors and a plurality of wiring terminals of a contact component. The plurality of wiring terminals are respectively fixed on the base, and the adjacent wiring terminals are separated from each other through partition walls arranged on the base. The multi-breakpoint direct current type molded case circuit breaker is characterized in that a groove is arranged at the end of each partition wall close to the wiring terminals, the short circuit conductors are embedded in the grooves, and two ends of each short circuit conductor are respectively connected with adjacent wiring terminals. The multi-breakpoint direct current type molded case circuit breaker has the advantages of adopting a preset connecting mode to lead the circuit breaker to achieve multi-breakpoint series connection, adding cutting openings of short circuit current, enabling each cutting opening to bear a part of voltage and corresponding arc energy respectively, being convenient in disjunction of the breaker at high operating voltage, meeting requirements for the high operating voltage and high protection feature, and improving safety of users in use. The outline dimension of the breaker cannot be increased.
Description
Technical field
The utility model belongs to the low voltage electrical apparatus technology field, is specifically related to a kind of multibreak once-through type breaker of plastic casing
Background technology
Along with the development of new energy technology, have higher requirement to low voltage component
.Especially along with constantly the developing of photovoltaic power plant, the performance index of the protection component that power plant is required have also had higher requirement.For example, in the photo-voltaic power supply direct current system, the rated operational voltage of low-voltage electrical apparatus is up to DC1000V.Take the mode of connection of multibreak series connection, can improve the interrupting performance of circuit breaker.To this, domestic and international many producers have also launched respectively various breaker connection application schemes.External connection terminal place at circuit breaker carries out wiring, make the two poles of the earth of circuit breaker or more multi-stage series connection get up to form the series connection breakpoint.This scheme generally need adopt outside short circuit conductor to carry out wiring at the scene, and the user uses inconvenience, and it is big to take up room.
Behind the short circuit conductor of existing once-through type breaker of plastic casing owing to the employing outside; The user need carry out field connection, complex operation, and the problem such as big that causes taking up room; The applicant has carried out actively and effectively attempting, and the technical scheme that will introduce below produces under this background
Summary of the invention
The task of
the utility model is that a kind of multibreak once-through type breaker of plastic casing will be provided; Its adopts and to preset connected mode, connects with special-purpose conductor at breaker connection terminal place, make the two poles of the earth of circuit breaker or more multi-stage series connection get up to form the series connection breakpoint; Need not the user for the breakpoint of connecting voluntarily in the wiring of binding post place; The conductor profile that connects usefulness does not simultaneously exceed the housing of circuit breaker, has guaranteed that circuit breaker overall dimension can not increase, and can not cause the increase of volume.
The task of
the utility model is accomplished like this; A kind of multibreak once-through type breaker of plastic casing; Comprise housing, short circuit conductor and a plurality of binding post with pedestal; A plurality of binding posts are separately fixed on the described pedestal, and are spaced from each other through the partition wall on the pedestal between adjacent line terminals, are characterized in: described partition wall offers groove in the end near binding post; Described short circuit conductor embeds in the described groove, and the two ends of short circuit conductor are connected with adjacent binding post respectively.
in one of the utility model concrete embodiment, one side offers the cavity that is used for described groove scarf to described short circuit conductor in the centre of length direction.
in another concrete embodiment of the utility model, the outer surface of described short circuit conductor does not exceed the outer surface of described pedestal.
connect through a short circuit conductor between said every two adjacent inlet wire binding posts, and/or connect through a short circuit conductor between every two adjacent outlet binding posts in another concrete embodiment of the utility model.
also have among the concrete embodiment the utility model, and described short circuit conductor achieves a fixed connection through securing member and binding post.
the utility model so that concrete embodiment in, the installed position corresponding to short circuit conductor on the described pedestal is provided with protective cover.
the utility model is owing to adopt the connected mode that presets to make circuit breaker realize the multibreak polyphone; Increase the cut-out mouth of short circuit current; Make each fracture bear a part of voltage and corresponding arc energy respectively; When high working voltage, be convenient to the circuit breaker disjunction, realize high working voltage, the requirement of high protective feature; Simultaneously, short circuit conductor and insulation shell are easy for installation, and the short circuit conductor profile does not exceed insulation shell, and circuit breaker overall dimension can not increase; In addition, corresponding protective cover is assembled at the conductor place, has improved the fail safe that the user uses.
Description of drawings
Fig. 1 is the electrical schematic diagram of the utility model embodiment 1.
Fig. 2 is the electrical schematic diagram of the utility model embodiment 2.
Fig. 3 is the electrical schematic diagram of the utility model embodiment 3.
Fig. 4 is the electrical schematic diagram of the utility model embodiment 4.
Fig. 5 is the electrical schematic diagram of the utility model embodiment 5.
Fig. 6 is the stereochemical structure sketch (removing protective cover) of three utmost point once-through type breaker of plastic casing among the utility model embodiment 1,2.
Fig. 7 is the stereochemical structure sketch (removing protective cover) of four utmost point once-through type breaker of plastic casing among the utility model embodiment 3.
Fig. 8 is the stereochemical structure sketch (removing protective cover) of four utmost point once-through type breaker of plastic casing among the utility model embodiment 4,5.
Fig. 9 is the three-dimensional exploded view of four utmost point once-through type breaker of plastic casing among the utility model embodiment 4.
Figure 10 is the stereogram of four utmost point once-through type breaker of plastic casing among the utility model embodiment 4.
Among
figure: 1. the outer surface of housing, 11. pedestals, 111. pedestals; 12. partition wall, 121. grooves; 2. the outer surface of short circuit conductor, 21. cavitys, 22. short circuit conductors; 3. protective cover; 4. securing member; 5. binding post.
Embodiment
can be expressly understood the technical spirit and the beneficial effect of the utility model more for the auditor that the makes Patent Office especially public; The applicant general combines accompanying drawing to elaborate with the mode of embodiment below; But the description to embodiment all is not the restriction to the utility model technical scheme, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be regarded as the technical scheme category of the utility model.
see also Fig. 8 and combine Fig. 6, Fig. 7, and a kind of multibreak once-through type of the utility model breaker of plastic casing comprises housing 1, short circuit conductor 2, a plurality of binding post 5 and protective cover 4 with pedestal 11.A plurality of binding posts 5 are separately fixed on the described pedestal 11, and 5 of adjacent line terminals are spaced from each other through the partition wall on the pedestal 11 12, and described partition wall 12 offers groove 121 in the end near binding post 5.One side offers cavity 21 to described short circuit conductor 2 in the centre of length direction; Through cooperating of cavity 21 and groove 121; Described short circuit conductor 2 is embedded in the groove 121 of said partition wall 12, and the two ends of short circuit conductor 2 are connected with adjacent binding post 5 respectively.Described short circuit conductor 2 achieves a fixed connection through securing member 4 and binding post 5; Short circuit conductor 2 its profiles after the connection do not exceed the profile of described pedestal 11, and specifically: the outer surface 22 of described short circuit conductor 2 does not exceed the outer surface 111 of described pedestal 11.Installed position corresponding to short circuit conductor 2 on the described housing 1 is provided with protective cover 3.
The contact component of
the utility model once-through type breaker of plastic casing connects through a short circuit conductor 2 between every two adjacent inlet wire binding posts 5, and/or connects through a short circuit conductor 2 between every two adjacent outlet binding posts 5.Different electric connection mode is please specifically referring to five embodiment of Fig. 1 to Fig. 5.
see also Fig. 1; Be three utmost point once-through type breaker of plastic casing; Wherein: connect through short circuit conductor 2 between the adjacent A utmost point, the B utmost point end of incoming cables; Load inserts between the B utmost point, the C utmost point leading-out terminal, and the positive pole of power supply is connected to the A utmost point leading-out terminal of circuit breaker, and negative pole is connected to the C utmost point end of incoming cables of circuit breaker.
see also Fig. 2; Be three utmost point once-through type breaker of plastic casing; Wherein: connect through short circuit conductor 2 between the adjacent A utmost point, B utmost point end of incoming cables and the adjacent B utmost point, the C utmost point leading-out terminal, the positive pole of power supply is connected to the C utmost point end of incoming cables that circuit breaker A utmost point leading-out terminal, negative pole are connected to circuit breaker after through the serial connection load.
see also Fig. 3; Be four utmost point once-through type breaker of plastic casing; Wherein: connect through short circuit conductor 2 between the adjacent A utmost point, the B utmost point end of incoming cables, connect through short circuit conductor 2 between the adjacent B utmost point, the C utmost point leading-out terminal, load inserts between the C utmost point, the N utmost point end of incoming cables; The positive pole of power supply is connected to circuit breaker A utmost point leading-out terminal, and negative pole is connected to circuit breaker N utmost point leading-out terminal.
see also Fig. 4; Be four utmost point once-through type breaker of plastic casing; Wherein: connect through short circuit conductor 2 between the adjacent A utmost point, the B utmost point end of incoming cables, connect through short circuit conductor 2 between the adjacent C utmost point, the N utmost point end of incoming cables, load inserts between the B utmost point, the C utmost point leading-out terminal; The positive pole of power supply is connected to circuit breaker A utmost point leading-out terminal, and negative pole is connected to circuit breaker N utmost point leading-out terminal.
See also Fig. 5; Be four utmost point once-through type breaker of plastic casing; Wherein: connect through short circuit conductor 2 between the adjacent A utmost point, the B utmost point end of incoming cables, connect through short circuit conductor 2 between the adjacent B utmost point, the C utmost point leading-out terminal, connect through short circuit conductor 2 between the adjacent C utmost point, the N utmost point end of incoming cables; The positive pole of power supply is connected to circuit breaker A utmost point leading-out terminal, and negative pole is connected to circuit breaker N utmost point leading-out terminal after being connected in series load
Claims (6)
1.
a kind of multibreak once-through type breaker of plastic casing; Comprise have pedestal housing (1), short circuit conductor (2) and a plurality of binding post (5) of (11); A plurality of binding posts (5) are separately fixed on the described pedestal (11); And be spaced from each other through the partition wall (12) on the pedestal (11) between adjacent line terminals (5); It is characterized in that: described partition wall (12) offers groove (121) in the end near binding post (5), and described short circuit conductor (2) embeds in the described groove (121), and the two ends of short circuit conductor (2) are connected with adjacent binding post (5) respectively.
2.
multibreak once-through type breaker of plastic casing according to claim 1, one side offers the cavity (21) that is used for described groove (121) scarf in the centre of length direction to it is characterized in that described short circuit conductor (2).
3.
multibreak once-through type breaker of plastic casing according to claim 1 is characterized in that the outer surface (22) of described short circuit conductor (2) does not exceed the outer surface (111) of described pedestal (11).
4.
multibreak once-through type breaker of plastic casing according to claim 1; It is characterized in that connecting through a short circuit conductor (2) between said every two adjacent inlet wire binding posts (5), and/or connect through a short circuit conductor (2) between every two adjacent outlet binding posts (5).
5.
multibreak once-through type breaker of plastic casing according to claim 1 is characterized in that described short circuit conductor (2) achieves a fixed connection through securing member (4) and binding post (5).
6.
Multibreak once-through type breaker of plastic casing according to claim 1 is characterized in that the installed position that described housing (1) is gone up corresponding to short circuit conductor (2) is provided with protective cover (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120409263XU CN202268314U (en) | 2011-10-25 | 2011-10-25 | Multi-breakpoint direct current type molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120409263XU CN202268314U (en) | 2011-10-25 | 2011-10-25 | Multi-breakpoint direct current type molded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202268314U true CN202268314U (en) | 2012-06-06 |
Family
ID=46159099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120409263XU Expired - Lifetime CN202268314U (en) | 2011-10-25 | 2011-10-25 | Multi-breakpoint direct current type molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202268314U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103198983A (en) * | 2013-04-17 | 2013-07-10 | 温州市新蓝天电器有限公司 | Large-current multiple-pole breaker |
| CN103456549A (en) * | 2013-06-06 | 2013-12-18 | 巨大矿业有限公司 | Automatic mine switch |
| CN104332362A (en) * | 2014-10-14 | 2015-02-04 | 浙江天正电气股份有限公司 | Multi-breakpoint built-in connection direct-current circuit breaker |
| CN105470062A (en) * | 2015-12-29 | 2016-04-06 | 浙江天正电气股份有限公司 | Direct-current breaker |
| CN106548908A (en) * | 2016-11-10 | 2017-03-29 | 厦门宏发开关设备有限公司 | A kind of multibreak dc circuit breaker |
| CN106971926A (en) * | 2017-04-05 | 2017-07-21 | 上海良信电器股份有限公司 | A kind of breaker series connection fixed contact mounting structure |
| CN107045965A (en) * | 2016-02-05 | 2017-08-15 | 上海良信电器股份有限公司 | Breaker of plastic casing short circuit arranges mounting structure |
| US20180233314A1 (en) * | 2017-02-15 | 2018-08-16 | Lsis Co., Ltd. | Molded-case circuit breaker for dc |
| US10483065B2 (en) | 2016-12-30 | 2019-11-19 | Lsis Co., Ltd. | Molded-case circuit breaker for DC |
| CN113410103A (en) * | 2020-03-17 | 2021-09-17 | 北京京人电器有限公司 | Plastic casing type circuit breaker |
| CN117995594A (en) * | 2024-04-03 | 2024-05-07 | 瑞睿电气(浙江)有限公司 | Direct-current high-voltage circuit breaker |
-
2011
- 2011-10-25 CN CN201120409263XU patent/CN202268314U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103198983A (en) * | 2013-04-17 | 2013-07-10 | 温州市新蓝天电器有限公司 | Large-current multiple-pole breaker |
| CN103456549A (en) * | 2013-06-06 | 2013-12-18 | 巨大矿业有限公司 | Automatic mine switch |
| CN104332362A (en) * | 2014-10-14 | 2015-02-04 | 浙江天正电气股份有限公司 | Multi-breakpoint built-in connection direct-current circuit breaker |
| CN105470062A (en) * | 2015-12-29 | 2016-04-06 | 浙江天正电气股份有限公司 | Direct-current breaker |
| CN107045965A (en) * | 2016-02-05 | 2017-08-15 | 上海良信电器股份有限公司 | Breaker of plastic casing short circuit arranges mounting structure |
| CN106548908A (en) * | 2016-11-10 | 2017-03-29 | 厦门宏发开关设备有限公司 | A kind of multibreak dc circuit breaker |
| US10483065B2 (en) | 2016-12-30 | 2019-11-19 | Lsis Co., Ltd. | Molded-case circuit breaker for DC |
| US20180233314A1 (en) * | 2017-02-15 | 2018-08-16 | Lsis Co., Ltd. | Molded-case circuit breaker for dc |
| CN108428603A (en) * | 2017-02-15 | 2018-08-21 | Ls产电株式会社 | Molded case circuit breakers for direct current |
| US10236150B2 (en) | 2017-02-15 | 2019-03-19 | Lsis Co., Ltd. | Molded-case circuit breaker for DC |
| CN108428603B (en) * | 2017-02-15 | 2019-12-13 | Ls产电株式会社 | molded case circuit breaker for direct current |
| CN106971926A (en) * | 2017-04-05 | 2017-07-21 | 上海良信电器股份有限公司 | A kind of breaker series connection fixed contact mounting structure |
| CN113410103A (en) * | 2020-03-17 | 2021-09-17 | 北京京人电器有限公司 | Plastic casing type circuit breaker |
| CN113410103B (en) * | 2020-03-17 | 2023-01-10 | 北京京人电器有限公司 | Plastic casing type circuit breaker |
| CN117995594A (en) * | 2024-04-03 | 2024-05-07 | 瑞睿电气(浙江)有限公司 | Direct-current high-voltage circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120606 |