CN205789779U - Breaker of plastic casing - Google Patents
Breaker of plastic casing Download PDFInfo
- Publication number
- CN205789779U CN205789779U CN201620682302.6U CN201620682302U CN205789779U CN 205789779 U CN205789779 U CN 205789779U CN 201620682302 U CN201620682302 U CN 201620682302U CN 205789779 U CN205789779 U CN 205789779U
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- China
- Prior art keywords
- connection plate
- phase connection
- patch panel
- zero line
- phase
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Abstract
nullThis utility model relates to a kind of breaker of plastic casing，Including pedestal、Upper cover、Operating mechanism、Arc-control device、Contact system、Conducting system，Conducting system includes A phase connection plate、B phase connection plate、C phase connection plate、Zero line patch panel，And A phase connection plate、B phase connection plate、C phase connection plate、Zero line patch panel is the most vertically placed in pedestal，And A phase connection plate、B phase connection plate、C phase connection plate、A current transformer it is respectively installed with on one end of zero line patch panel，And A phase connection plate、B phase connection plate、C phase connection plate、U-shaped bending part it is respectively arranged with on zero line patch panel，And A phase connection plate、B phase connection plate、C phase connection plate、A zero sequence current mutual inductor it is set with on the bending part of zero line patch panel，And A phase connection plate、B phase connection plate、C phase connection plate、Zero line patch panel is away from being respectively arranged with outlet wire connecting portion on one end of operating mechanism，This utility model has compact conformation、Volume is little、Advantage stable and reliable for performance.
Description
Technical field
This utility model relates to breaker technical field, is specifically related to a kind of breaker of plastic casing.
Background technology
Breaker of plastic casing is widely used in the departments such as industrial or agricultural, traffic, mine, civil buildings and national defence, the biography to electric power
Defeated and distribution, the protection of motor cut much ice, and are that in low-voltage electrical apparatus, usage amount is big, use wide product.Mould shell open circuit
Device is to close, carry and cut-off the electric current under normal loop condition, and can close, carry and cut-off within the time of regulation
The switching device of the electric current under abnormal loop condition (including short circuit condition).Breaker of plastic casing can be used to distribute electric energy, infrequently
Ground start asynchronous motor, to power circuit and motor etc. carry out protection, when they occur serious overloads or short circuit and
Can automatic shutdown circuit during the fault such as under-voltage.Breaker of plastic casing includes pedestal, upper cover, operating mechanism, contact system, interrupter cartridge
Put, tripping mechanism, current transformer, zero sequence current mutual inductor, conducting system, the conducting system structure of existing breaker of plastic casing
Design unreasonable, thus the defect that this breaker of plastic casing exists temperature rise, power consumption is big.And the volume of this conducting system is relatively big, account for
Relatively big according to the space in pedestal, thus cause the volume of this breaker of plastic casing bigger.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, it is provided that a kind of compact conformation, volume is little, performance is steady
Fixed reliable breaker of plastic casing.
For achieving the above object, this utility model uses a kind of breaker of plastic casing, including pedestal, upper cover, operating mechanism, goes out
Arc device, contact system, conducting system, described conducting system includes A phase connection plate, B phase connection plate, C phase connection plate, zero line
Patch panel, described A phase connection plate, B phase connection plate, C phase connection plate, zero line patch panel be the most vertically placed in pedestal, institute
The A phase connection plate stated, B phase connection plate, C phase connection plate, zero line patch panel are respectively installed with one on one end of operating mechanism
It is respectively arranged with a fundamental form on individual current transformer, and A phase connection plate, B phase connection plate, C phase connection plate, zero line patch panel
It is set with one on the bending part that shape is U-shaped, and the bending part of A phase connection plate, B phase connection plate, C phase connection plate, zero line patch panel
Individual zero sequence current mutual inductor, and A phase connection plate, B phase connection plate, C phase connection plate, zero line patch panel are away from one end of operating mechanism
On be respectively arranged with outlet wire connecting portion, described each outlet wire connecting portion is provided with wiring hole, and each outlet wire connecting portion is respectively
Be installed in wire connection cavity corresponding on pedestal, be provided with between described A phase connection plate and B phase connection plate the first insulation every
Plate, is provided with the second insulating barrier between C phase connection plate and zero line patch panel.
Said structure have the beneficial effect that this breaker of plastic casing has little, stable and reliable for performance excellent of compact conformation, volume
Point, and the A phase connection plate of conducting system, B phase connection plate, C phase connection plate, zero line patch panel be the most vertically placed in pedestal,
Thus this conducting system taking up space in pedestal is less, and A phase connection plate, B phase connection plate, C phase connection plate, zero line wiring
Plate is integral structure, thus ensure that this conducting system has the advantage that temperature rise is low, power consumption is little.
Especially, connecing on corresponding A phase connection plate, B phase connection plate, C phase connection plate, zero line patch panel on described pedestal
It is installed with two insulation insertion plates at string holes respectively, and two insulation insertion plates are installed on the opening of wire connection cavity both sides on pedestal respectively
Place.By being provided with insulation insertion plate in the wire connection cavity of pedestal, thus improve the insulating properties of these breaker of plastic casing terminals
With arc performance.
Accompanying drawing explanation
Fig. 1 is the top view after this utility model embodiment removes upper cover.
Fig. 2 is the axonometric chart of this utility model conducting system.
Fig. 3 is the package assembly schematic diagram of this utility model A phase connection plate and B phase connection plate.
Fig. 4 is this utility model C phase connection plate and zero line patch panel package assembly schematic diagram.
Detailed description of the invention
As shown in Figure 1,2,3, 4, this utility model embodiment is a kind of breaker of plastic casing, including pedestal 10, upper cover, operation
Mechanism 11, arc-control device, contact system 12, conducting system 20, described conducting system 20 includes A phase connection plate 21, B phase connection
Plate 22, C phase connection plate 23, zero line patch panel 24, described A phase connection plate 21, B phase connection plate 22, C phase connection plate 23, zero line
Patch panel 24 is the most vertically placed in pedestal 10, described A phase connection plate 21, B phase connection plate 22, C phase connection plate 23, zero line
Patch panel 24 is respectively installed with a current transformer 25 on one end of operating mechanism 11, and A phase connection plate 21, B connect
A U-shaped bending part of basic configuration 200, and A phase it is respectively arranged with on line plate 22, C phase connection plate 23, zero line patch panel 24
Patch panel 21, B phase connection plate 22, C phase connection plate 23, zero line patch panel 24 bending part 200 on be set with a zero-sequence current
Transformer 26, and A phase connection plate 21, B phase connection plate 22, C phase connection plate 23, zero line patch panel 24 are away from the one of operating mechanism 11
It is respectively arranged with outlet wire connecting portion 27 on end, described each outlet wire connecting portion 27 is provided with wiring hole 271, and each outlet connects
Line portion 27 is installed in wire connection cavity 101 corresponding on pedestal 10 respectively, described A phase connection plate 21 and B phase connection plate 22 it
Between be provided with the first insulating barrier 30, be provided with the second insulating barrier 31 between C phase connection plate 23 and zero line patch panel 24.Described
Pedestal 10 at wiring hole 27 on corresponding A phase connection plate 21, B phase connection plate 22, C phase connection plate 23, zero line patch panel 24
It is installed with two insulation insertion plates 28 respectively, and two insulation insertion plates 28 are installed on opening of wire connection cavity 101 both sides on pedestal 10 respectively
At Kou.By being provided with insulation insertion plate in the wire connection cavity of pedestal, thus improve the insulation of the terminals of this breaker of plastic casing
Performance and arc performance.This breaker of plastic casing has the advantage that compact conformation, volume are little, stable and reliable for performance, and conducting system
A phase connection plate, B phase connection plate, C phase connection plate, zero line patch panel be the most vertically placed in pedestal, thus this conducting system
Taking up space in pedestal is less, and A phase connection plate, B phase connection plate, C phase connection plate, zero line patch panel are integral type knot
Structure, thus ensure that this conducting system has the advantage that temperature rise is low, power consumption is little.
Claims (2)
1. a breaker of plastic casing, including pedestal, upper cover, operating mechanism, arc-control device, contact system, conducting system, its feature
It is: described conducting system includes A phase connection plate, B phase connection plate, C phase connection plate, zero line patch panel, described A phase connection
Plate, B phase connection plate, C phase connection plate, zero line patch panel are the most vertically placed in pedestal, described A phase connection plate, B phase connection
Plate, C phase connection plate, zero line patch panel are respectively installed with a current transformer, and A phase connection on one end of operating mechanism
A U-shaped bending part of basic configuration, and A phase it is respectively arranged with on plate, B phase connection plate, C phase connection plate, zero line patch panel
Patch panel, B phase connection plate, C phase connection plate, zero line patch panel bending part on be set with a zero sequence current mutual inductor, and A phase
Patch panel, B phase connection plate, C phase connection plate, zero line patch panel are away from being respectively arranged with outlet wiring on one end of operating mechanism
Portion, described each outlet wire connecting portion is provided with wiring hole, and each outlet wire connecting portion is installed on pedestal corresponding respectively
In wire connection cavity, between described A phase connection plate and B phase connection plate, it is provided with the first insulating barrier, C phase connection plate and zero line wiring
The second insulating barrier it is provided with between plate.
Breaker of plastic casing the most according to claim 1, it is characterised in that: corresponding A phase connection plate, B phase on described pedestal
Two insulation insertion plates, and two insulation insertion plates it are installed with respectively at wiring hole on patch panel, C phase connection plate, zero line patch panel
It is installed on the opening part of wire connection cavity both sides on pedestal respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620682302.6U CN205789779U (en) | 2016-06-19 | 2016-06-19 | Breaker of plastic casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620682302.6U CN205789779U (en) | 2016-06-19 | 2016-06-19 | Breaker of plastic casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205789779U true CN205789779U (en) | 2016-12-07 |
Family
ID=58125698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620682302.6U Active CN205789779U (en) | 2016-06-19 | 2016-06-19 | Breaker of plastic casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205789779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195509A (en) * | 2017-07-24 | 2017-09-22 | 罗格朗低压电器（无锡）有限公司 | Static contact component containing zero sequence current mutual inductor |
-
2016
- 2016-06-19 CN CN201620682302.6U patent/CN205789779U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195509A (en) * | 2017-07-24 | 2017-09-22 | 罗格朗低压电器（无锡）有限公司 | Static contact component containing zero sequence current mutual inductor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |