CN205657374U - Solid insulation boundary switch cabinet - Google Patents

Solid insulation boundary switch cabinet Download PDF

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Publication number
CN205657374U
CN205657374U CN201620329850.0U CN201620329850U CN205657374U CN 205657374 U CN205657374 U CN 205657374U CN 201620329850 U CN201620329850 U CN 201620329850U CN 205657374 U CN205657374 U CN 205657374U
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CN
China
Prior art keywords
voltage transformer
cable
unit
circuit breaker
vacuum circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201620329850.0U
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Chinese (zh)
Inventor
韦柳涛
赵开春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Spaceflight Yinshan Electric Co., Ltd.
Original Assignee
Zhuhai Aerospace Science & Technology Innovation Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhuhai Aerospace Science & Technology Innovation Industrial Co Ltd filed Critical Zhuhai Aerospace Science & Technology Innovation Industrial Co Ltd
Priority to CN201620329850.0U priority Critical patent/CN205657374U/en
Application granted granted Critical
Publication of CN205657374U publication Critical patent/CN205657374U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a solid insulation boundary switch cabinet, including the vacuum circuit breaker unit, the voltage transformer unit, zero sequence current transformer, the end shrouding of both sides, and install the boundary controller on the voltage transformer unit, affiliated voltage transformer unit is with the vacuum circuit breaker unit and through establishing generating line electric connection, all devices all are fixed insulating in voltage transformer unit and the vacuum circuit breaker unit, all plugs all are the tangible type plug of shielding, all adopt the solid insulation through voltage transformer unit and vacuum circuit breaker unit, also take solid insulation generating line electric connection between two units, a whole set of switchgear does not have exposed charged body, better insulating properties and resistant abominable environmental performance have, simultaneously, voltage transformer adopts the hoist and mount mode, has enlarged the cable junction space, makes a voltage transformer and a three -station isolation switch mountable in same cubical switchboard, has dwindled the volume of cubical switchboard.

Description

A kind of solid insulation demarcation switch cabinet
Technical field
This utility model relates to network distribution system field, is specifically related to a kind of solid insulation demarcation switch cabinet.
Background technology
Along with the requirement that intelligent grid distribution system is new to city net; relate to some residence districts, shopping centre, region that power load is bigger will install user demarcation switchgear additional; for 10kV cable system distribution system; mainly install various user demarcation switch cubicle additional; its objective is to protect each place normal power supply, on the premise of breaking down, do not affect adjacent region electricity consumption;Domestic demarcation switch cabinet equipment mainly includes the electrical equipments such as vacuum circuit breaker, disconnecting switch, current transformer, voltage transformer and boundary controller, most employing air insulations, cabinet molded dimension is the biggest, and electrical body is exposed, corroded by air, dust, easily cause the corrosion of electrical body, reduce the class of insulation, life-span is short, runs equipment and has bigger hidden danger.Currently also having employing SF6 gas isolated demarcation switch cabinet to occur, but SF6 gas is a kind of greenhouse gases, due to the requirement of environmental protection, its application just has become increasingly limited;Meanwhile, use SF6 air insulating device, also relate to the leakage problem of seal case, affect the reliability of equipment.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, this utility model provides a kind of demarcation switch cabinet using solid all insulation.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of solid insulation demarcation switch cabinet, including vacuum circuit breaker unit, voltage transformer unit, the end-plate of both sides and the boundary controller being arranged on voltage transformer unit, described voltage transformer unit is electrically connected with by bus with vacuum circuit breaker unit, it is characterized in that: in voltage transformer unit and vacuum circuit breaker unit, all devices are all solid insulation structures, all plugs are all shielding tangible plug.
Further improvement as such scheme, described voltage transformer unit includes cabinet, the first tri-station isolating switch, voltage transformer and zero sequence current mutual inductor, described first tri-station isolating switch end of incoming cables and leading-out terminal are provided with European cable sleeve, and described first tri-station isolating switch leading-out terminal passes sequentially through the busbar joint electric connection of the busbar joint in European cable sleeve and bus tie and vacuum circuit breaker unit;End of incoming cables connects cable by plug before the first European cable in European cable sleeve and PT respectively and is electrically connected with voltage transformer, is connected with high tension cable by plug after the European cable of first in European cable sleeve.
As the further improvement of such scheme, described voltage transformer is by support lifting and cabinet.
As the further improvement of such scheme, described voltage transformer is all insulation structure that poured with epoxy resin becomes.
Further improvement as such scheme, the described the most charged side of voltage transformer high pressure is provided with American cable sleeve, the exposed electrical body of high pressure and high-tension fuse it is provided with in described American cable sleeve, being arranged with American elbow cable connector head on described American cable sleeve, the exposed electrical body of described high pressure is connected with high tension cable by high-tension fuse.
Further improvement as such scheme, described vacuum circuit breaker unit includes cabinet, vacuum circuit breaker, current transformer and the second tri-station isolating switch, described vacuum circuit breaker end of incoming cables and leading-out terminal are provided with European cable sleeve, and end of incoming cables is electrically connected with by the busbar joint of the bus tie in European cable sleeve with voltage transformer unit;Leading-out terminal is connected with high tension cable by inserting before the second European cable in cable sleeve, and described current transformer is set on high tension cable.
As the further improvement of such scheme, described zero sequence current mutual inductor is arranged on bottom voltage transformer cabinet, and described zero sequence current mutual inductor is set on high tension cable.
As the further improvement of such scheme, described vacuum circuit breaker uses solid insulation.
The beneficial effects of the utility model:
Solid insulation demarcation switch cabinet of the present utility model, solid insulation is all used by voltage transformer unit and vacuum circuit breaker unit, also taking solid insulated busbar to be electrically connected with between two unit, set of switches equipment, without exposed electrical body, has more preferable insulating properties and adverse environment resistant performance.Meanwhile, voltage transformer uses lifting mode, expands cable connection space, makes voltage transformer and tri-station isolating switch may be installed in same switch cubicle, reduces the volume of switch cubicle.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model preferred embodiment;
The structural representation of the voltage transformer unit of Fig. 2 position this utility model preferred embodiment;
Fig. 3 is the structural representation of the vacuum circuit breaker of this utility model preferred embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is described further by preferred embodiment of the present utility model:
See Fig. 1, a kind of solid insulation demarcation switch cabinet, including vacuum circuit breaker unit 1, voltage transformer unit 2, the end-plate 4 of both sides and the boundary controller 3 being arranged on voltage transformer unit, affiliated voltage transformer unit 2 is electrically connected with by bus with vacuum circuit breaker list 1 yuan, in voltage transformer unit 2 and vacuum circuit breaker unit 1, all devices are all fixed insulation structures, and all plugs are all shielding tangible plug.
Fig. 2 is the structural representation of voltage transformer unit, described voltage transformer unit includes cabinet the 213, first tri-station isolating switch 29, voltage transformer 27 and zero sequence current mutual inductor 26, the first enterprising line end of tri-station isolating switch 29 and leading-out terminal are provided with European cable sleeve 22,23, and the first tri-station isolating switch 29 leading-out terminal passes sequentially through the busbar joint electric connection of the busbar joint 211 in European cable sleeve and bus tie 212 and vacuum circuit breaker unit 1;End of incoming cables connects cable by plug 22 and PT before the first European cable in European cable sleeve respectively and is electrically connected with voltage transformer 2, is connected high pressure inlet wire cable 24 by plug 23 after the European cable of first in European cable sleeve, described voltage transformer 2 is by support lifting and cabinet, expand cable connection space, make voltage transformer 2 and the first tri-station isolating switch 29 may be installed in same switch cubicle, reduce the volume of switch cubicle.First tri-station isolating switch 29 includes observation window, and observation window is for observing disconnecting switch location status, and observation window can arrange LED spotlight.
Voltage transformer 2 helps insulation system for poured with epoxy resin.The most charged side of voltage transformer 2 high pressure is provided with American cable sleeve, the exposed electrical body of high pressure and high-tension fuse it is provided with in described American cable sleeve, being arranged with American elbow cable 25 connection-peg 15 on described American cable sleeve, the exposed electrical body of described high pressure is connected with high tension cable 14 by high-tension fuse.
With further reference to Fig. 3, vacuum circuit breaker unit 1 includes cabinet 110, solid insulated vacuum circuit breaker, current transformer 15 and the second tri-station isolating switch, the enterprising line end of described vacuum circuit breaker and leading-out terminal are provided with European cable sleeve, and end of incoming cables is electrically connected with by the busbar joint of the bus tie in European cable sleeve with voltage transformer unit 2;Leading-out terminal is connected with high tension cable by plug 12 before the second European cable in cable sleeve, and described current transformer 15 is set on high tension cable.
Zero sequence current mutual inductor 25 is arranged on bottom voltage transformer cabinet 213, and is arranged on cable sleeve, and high tension cable is through the perforate of zero sequence current mutual inductor 26.First tri-station isolating switch the 29, second tri-station isolating switch and vacuum circuit breaker 1 use solid insulation.All cable plugs are shielding tangible, and before first, second European cable, after plug the 12,22, first European cable, plug 23 and American elbow cable plug 25 are all shielding tangible plug.
Voltage transformer unit 2 and vacuum circuit breaker unit 1 all use solid insulation, also take solid insulated busbar to be electrically connected between two unit, and set of switches equipment, without exposed electrical body, has more preferable insulating properties and adverse environment resistant performance.Meanwhile, voltage transformer 2 uses lifting mode, expands cable connection space, makes voltage transformer and the first tri-station isolating switch may be installed in same switch cubicle, reduces the volume of switch cubicle.Boundary controller 3 is by gathering voltage signal from voltage transformer 2; and obtain operating power supply; current signal is gathered from current transformer 15 and zero sequence current mutual inductor 26; and carry out status monitoring and breakdown judge; and by vacuum circuit breaker execution of command operations, it is achieved monitoring and the defencive function to system.
It is above preferred embodiment of the present utility model is illustrated, but this utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement on the premise of this utility model spirit, and modification or the replacement of these equivalents are all contained in the application claim limited range.

Claims (8)

1. a solid insulation demarcation switch cabinet, including vacuum circuit breaker unit, voltage transformer unit, the end-plate of both sides and the boundary controller being arranged on voltage transformer unit, described voltage transformer unit is electrically connected with by bus with vacuum circuit breaker unit, it is characterized in that: in voltage transformer unit and vacuum circuit breaker unit, all devices are all solid insulation structures, all plugs are all shielding tangible plug.
A kind of solid insulation demarcation switch cabinet the most according to claim 1, it is characterized in that: described voltage transformer unit includes cabinet, the first tri-station isolating switch, voltage transformer and zero sequence current mutual inductor, described first tri-station isolating switch end of incoming cables and leading-out terminal are provided with European cable sleeve, and described first tri-station isolating switch leading-out terminal passes sequentially through the busbar joint electric connection of the busbar joint in European cable sleeve and bus tie and vacuum circuit breaker unit;End of incoming cables connects cable by plug before the first European cable in European cable sleeve and PT respectively and is electrically connected with voltage transformer, is connected with high tension cable by plug after the European cable of first in European cable sleeve.
A kind of solid insulation demarcation switch cabinet the most according to claim 2, it is characterised in that: described voltage transformer is by support lifting and cabinet.
A kind of solid insulation demarcation switch cabinet the most according to claim 2, it is characterised in that: described voltage transformer is all insulation structure that poured with epoxy resin becomes.
A kind of solid insulation demarcation switch cabinet the most according to claim 2, it is characterized in that: the described the most charged side of voltage transformer high pressure is provided with American cable sleeve, the exposed electrical body of high pressure and high-tension fuse it is provided with in described American cable sleeve, being arranged with American elbow cable connector head on described American cable sleeve, the exposed electrical body of described high pressure is connected with high tension cable by high-tension fuse.
A kind of solid insulation demarcation switch cabinet the most according to claim 1, it is characterized in that: described vacuum circuit breaker unit includes cabinet, vacuum circuit breaker, current transformer and the second tri-station isolating switch, described vacuum circuit breaker end of incoming cables and leading-out terminal are provided with European cable sleeve, and end of incoming cables is electrically connected with by the busbar joint of the bus tie in European cable sleeve with voltage transformer unit;Leading-out terminal is connected with high tension cable by inserting before the second European cable in cable sleeve, and described current transformer is set on high tension cable.
A kind of solid insulation demarcation switch cabinet the most according to claim 2, it is characterised in that: described zero sequence current mutual inductor is arranged on bottom voltage transformer cabinet, and described zero sequence current mutual inductor is set on high tension cable.
A kind of solid insulation demarcation switch cabinet the most according to claim 6, it is characterised in that: described vacuum circuit breaker uses solid insulation.
CN201620329850.0U 2016-04-19 2016-04-19 Solid insulation boundary switch cabinet Active CN205657374U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620329850.0U CN205657374U (en) 2016-04-19 2016-04-19 Solid insulation boundary switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620329850.0U CN205657374U (en) 2016-04-19 2016-04-19 Solid insulation boundary switch cabinet

Publications (1)

Publication Number Publication Date
CN205657374U true CN205657374U (en) 2016-10-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620329850.0U Active CN205657374U (en) 2016-04-19 2016-04-19 Solid insulation boundary switch cabinet

Country Status (1)

Country Link
CN (1) CN205657374U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108418171A (en) * 2018-03-28 2018-08-17 湖南德意电气有限公司 A kind of cable branch box of on-load switch controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108418171A (en) * 2018-03-28 2018-08-17 湖南德意电气有限公司 A kind of cable branch box of on-load switch controller

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C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 519000 room 303-1, 3 / F, aviation and new town planning exhibition hall, Jin Wan District, Zhuhai, Guangdong

Patentee after: Spaceflight Yinshan Electric Co., Ltd.

Address before: 519000 room 303-1, 3 / F, aviation and new town planning exhibition hall, Jin Wan District, Zhuhai, Guangdong

Patentee before: ZHUHAI AEROSPACE SCIENCE & TECHNOLOGY INNOVATION INDUSTRIAL CO., LTD.