CN203659758U - Phase commutation block used for low-voltage circuit breaker - Google Patents
Phase commutation block used for low-voltage circuit breaker Download PDFInfo
- Publication number
- CN203659758U CN203659758U CN201320881154.7U CN201320881154U CN203659758U CN 203659758 U CN203659758 U CN 203659758U CN 201320881154 U CN201320881154 U CN 201320881154U CN 203659758 U CN203659758 U CN 203659758U
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- Prior art keywords
- low
- voltage circuit
- insulation crust
- circuit breaker
- phase commutation
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- Expired - Lifetime
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- 238000009413 insulation Methods 0.000 claims description 35
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 2
- 239000004020 conductor Substances 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
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Abstract
A phase commutation block used for a low-voltage circuit breaker is provided. The phase commutation block comprises an insulating shell, an insulating plate, two curved connection plate and one straight connection plate; the insulating plate is arranged at an upper portion inside the insulating shell; the middle of the straight connection plate penetrates a middle lower portion of the insulating shell in a front-to-back direction; each curved connection plate is of a Z-shaped structure which is composed of a vertical plate and two horizontal plates; the lower edge of one end of the vertical plate and the upper edge of the other end of the vertical plate horizontally extend outwards, such that the two horizontal plates can be formed; the vertical plate on each curved connection plate is arranged at a front-to-back space at an upper portion inside the insulating shell; and the two horizontal plates of each curved connection plate respectively penetrate the front end surface and the rear end surface of the insulating shell and extend to the outside. According to the phase commutation block used for the low-voltage circuit breaker, connecting wires on the phase commutation block do not overlap with each other, so that no wear will be generated between the wires in installation, and therefore, faults of short-circuiting between the wires can be avoided, and the appearance of the phase commutation block is neat. The phase commutation block used for the low-voltage circuit has the advantages of simple and compact structure, small occupied space, low cost, convenient installation and use.
Description
Technical field
The utility model belongs to low voltage electrical apparatus technology field, particularly relates to a kind of low-voltage circuit breaker commutation piece.
Background technology
Some particular places in distribution system application need to be changed power phase, mostly traditional mode is to adopt the mode that the connection wire of commutation piece on low-voltage circuit breaker is overlapped to realize, so not only can make the surface structure of product seem in disorder, and between wire, easily produce and wear and tear in installation process, thereby while causing using,, because long-term fever makes wire insulation hydraulic performance decline, result causes the fault of leading short-circuit between conductors.
Summary of the invention
In order to address the above problem, the purpose of this utility model is to provide a kind of low-voltage circuit breaker commutation piece.
In order to achieve the above object, the low-voltage circuit breaker that the utility model provides is arranged on low-voltage circuit breaker end of incoming cables or leading-out terminal with commutation piece, and it comprises insulation crust, insulation board, two curved joint covers and a straight type joint cover; Wherein insulation crust is cuboid case structure; Insulation board is vertically set on the internal upper part of insulation crust, two spaces before and after thus the top of insulation crust being divided into; Straight type joint cover is horizontally disposed with, and the middle and lower part that is arranged on insulation crust is run through at middle part along fore-and-aft direction, and two ends are formed with respectively a wiring hole; Curved joint cover is by vertical panel and two zigzag structures that level board forms, two blocks of level boards horizontally outward extend and form from one end lower edge and the other end top edge of vertical panel respectively, and on each level board, be formed with respectively a wiring hole, two curved joint covers are symmetrical arranged, wherein the vertical panel on every curved joint cover is separately positioned in the space, front and back of insulation crust internal upper part, and two blocks of level boards run through respectively the front/rear end of insulation crust and extend to outside.
Described insulation board is laminated epoxy glass-cloth board.
Connection wire non-overlapping each other on commutation piece for the low-voltage circuit breaker that the utility model provides, therefore in installation process, between wire, can not produce wearing and tearing, thereby can avoid leading the fault of short-circuit between conductors, and surface structure is neat.In addition, this commutation piece also have simple in structure, compact, take up room little, cost is low, the advantage such as easy to install.
Brief description of the drawings
The low-voltage circuit breaker commutation block structure stereogram that Fig. 1 provides for the utility model.
The low-voltage circuit breaker commutation block structure longitudinal sectional view that Fig. 2 provides for the utility model.
Fig. 3 is straight type joint cover structural representation on the commutation piece shown in Fig. 1.
Fig. 4 is the commutation piece upper bent type joint cover structural representation shown in Fig. 1.
Fig. 5 is the commutation piece upper insulation plate structural representation shown in Fig. 1.
View when the low-voltage circuit breaker commutation piece that Fig. 6 provides for the utility model uses.
Embodiment
Low-voltage circuit breaker the utility model being provided below in conjunction with the drawings and specific embodiments is elaborated with commutation piece.
As Figure 1-Figure 5, the low-voltage circuit breaker that the utility model provides is arranged on low-voltage circuit breaker end of incoming cables or leading-out terminal with commutation piece, and it comprises insulation crust 1, insulation board 2, two curved joint covers 3 and straight type joint covers 4; Wherein insulation crust 1 is cuboid case structure; Insulation board 2 is vertically set on the internal upper part of insulation crust 1, two spaces before and after thus the top of insulation crust 1 being divided into; Straight type joint cover 4 is horizontally disposed with, and the middle and lower part that is arranged on insulation crust 1 is run through at middle part along fore-and-aft direction, and two ends are formed with respectively a wiring hole; Curved joint cover 3 is by vertical panel and two zigzag structures that level board forms, two blocks of level boards horizontally outward extend and form from one end lower edge and the other end top edge of vertical panel respectively, and on each level board, be formed with respectively a wiring hole, two curved joint covers 3 are symmetrical arranged, wherein the vertical panel on every curved joint cover 3 is separately positioned in the space, front and back of insulation crust 1 internal upper part, and two blocks of level boards run through respectively the front/rear end of insulation crust 1 and extend to outside.
Described insulation board 2 is laminated epoxy glass-cloth board; Insulation crust 1 adopts PBT material to make.
The low-voltage circuit breaker now the utility model being provided is described below by commutation piece using method: end of incoming cables or the leading-out terminal that can use it for low-voltage circuit breaker all can, realize the function that need to change phase sequence, as shown in Figure 6, by input A, B, C mutually three wires is connected to the level board wiring hole that is positioned at three joint covers on insulation crust 1 front end face, simultaneously by output C, B, A mutually three wires is connected to the level board wiring hole that is positioned at three joint covers on insulation crust 1 rear end face, after the conversion of this commutation piece, the A of input, B, C will become the C of output, B, A phase.
Claims (2)
1. a low-voltage circuit breaker commutation piece, is characterized in that: it comprises insulation crust (1), insulation board (2), two curved joint covers (3) and a straight type joint cover (4); Wherein insulation crust (1) is cuboid case structure; Insulation board (2) is vertically set on the internal upper part of insulation crust (1), two spaces before and after thus the top of insulation crust (1) being divided into; Straight type joint cover (4) is horizontally disposed with, and the middle and lower part that is arranged on insulation crust (1) is run through at middle part along fore-and-aft direction, and two ends are formed with respectively a wiring hole; Curved joint cover (3) is by vertical panel and two zigzag structures that level board forms, two blocks of level boards horizontally outward extend and form from one end lower edge and the other end top edge of vertical panel respectively, and on each level board, be formed with respectively a wiring hole, two curved joint covers (3) are symmetrical arranged, wherein the vertical panel on every curved joint cover (3) is separately positioned in the space, front and back of insulation crust (1) internal upper part, and two blocks of level boards run through respectively the front/rear end of insulation crust (1) and extend to outside.
2. low-voltage circuit breaker according to claim 1 commutation piece, is characterized in that: described insulation board (2) is laminated epoxy glass-cloth board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881154.7U CN203659758U (en) | 2013-12-25 | 2013-12-25 | Phase commutation block used for low-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881154.7U CN203659758U (en) | 2013-12-25 | 2013-12-25 | Phase commutation block used for low-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203659758U true CN203659758U (en) | 2014-06-18 |
Family
ID=50926119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320881154.7U Expired - Lifetime CN203659758U (en) | 2013-12-25 | 2013-12-25 | Phase commutation block used for low-voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203659758U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700546A (en) * | 2013-12-25 | 2014-04-02 | 施耐德万高（天津）电气设备有限公司 | Commutation block for low-voltage circuit breaker |
| CN104332831A (en) * | 2014-10-20 | 2015-02-04 | 洛阳龙羽电气设备有限公司 | Box transformer low-voltage wire inlet cabinet phase sequence adjusting tool |
-
2013
- 2013-12-25 CN CN201320881154.7U patent/CN203659758U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700546A (en) * | 2013-12-25 | 2014-04-02 | 施耐德万高（天津）电气设备有限公司 | Commutation block for low-voltage circuit breaker |
| CN104332831A (en) * | 2014-10-20 | 2015-02-04 | 洛阳龙羽电气设备有限公司 | Box transformer low-voltage wire inlet cabinet phase sequence adjusting tool |
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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 |
Granted publication date: 20140618 |
|
| CX01 | Expiry of patent term |