CN108376935A - A kind of inflatable switch cabinet pedestal accessory module - Google Patents
A kind of inflatable switch cabinet pedestal accessory module Download PDFInfo
- Publication number
- CN108376935A CN108376935A CN201810485500.7A CN201810485500A CN108376935A CN 108376935 A CN108376935 A CN 108376935A CN 201810485500 A CN201810485500 A CN 201810485500A CN 108376935 A CN108376935 A CN 108376935A
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- CN
- China
- Prior art keywords
- babinet
- holder
- switch cabinet
- external
- accessory module
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/045—Details of casing, e.g. gas tightness
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a kind of inflatable switch cabinet pedestal accessory module, accessory module includes a babinet for installing external three-phase straight-through current transformer, a holder of the secondary babinet with electrical secondary module interface and the external zero sequence current mutual inductor of installation.Babinet provides a modular external three-phase straight-through current transformer installation component, the installation wiring for keeping inflatable switch cabinet convenient, flexible when needing to configure external punching threephase current transformer.The secondary babinet offer is configured with the secondary wiring terminals of external current transformer and modular external interface, and the plug and play that prefabricated cable, prefabricated optical cable and pre-fabricated electric cables realize interface can be used.Holder provides the field erected fixing bracket of external zero sequence current mutual inductor, and a holder can adjust the height and space size of external zero sequence transformer installation by the long lumbar hole on holder and connecting rod.
Description
Technical field
The present invention relates to transforming plant primary equipment field more particularly to the external current transformer of high-pressure inflation type switchgear and
Modular interface technique.
Background technology
One of the core concept of New Generation of Intelligent substation construction is exactly to widely popularize minimizing, being integrated for equipment, electricity
The modularization of gas interface.Inflatable high-voltage switchgear is power distribution equipment important in New Generation of Intelligent substation.
High-pressure inflation type switchgear is since using SF6 gases, as dielectric, insulation distance reduces, and cabinet size is significantly
Reduce, meets the demand of New Generation of Intelligent substation construction.But inflatable switch cabinet volume becomes smaller, realizes the same of only preceding maintenance
When limit type selecting and the installation of current transformer.Occur threephase current transformer winding quantity in actual use and be unable to multiselect,
The too small situation of secondary load capacity；And since limited space zero sequence current mutual inductor cannot be mounted on inside switch cabinet shell body
The case where.Meet engineering design requirements to meet threephase current transformer winding quantity and secondary load capacity, before such
Safeguard that inflatable switch cabinet needs to use external punching formula threephase current transformer and zero sequence current mutual inductor, and external electricity
The installation and wiring of current transformer meet the specification and the requirement of construction technology.
Simultaneously at present since most of switchgear has used the design pattern that secondary device is transferred on the spot, switchgear is to external
Line is concentrated mainly on communication and a small amount of Current Voltage and control signal.The external interface of switchgear has modular item
The workload of site operation wiring will be further reduced in part, improves inflatable switch cabinet modular nature, embodies modularization intelligent
The characteristics of substation.
Invention content
In view of the above-mentioned problems, the present invention provides a kind of inflatable switch cabinet pedestal accessory module, this module is equipped with external wear
The mounting structure of core type formula threephase current transformer and zero sequence current mutual inductor meets outside inflatable switch cabinet current transformer
The demand that timing scene is flexibly installed, while the modular interface equipped with secondary connection are installed, prefabricated optical cable, prefabricated electricity can be used
Cable and prefabricated cable realize the plug and play of interface.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme：
A kind of inflatable switch cabinet accessory module, including a babinet of the external three-phase straight-through current transformer of installation,
Secondary babinet with electrical secondary module interface and a holder for installing external zero sequence current mutual inductor, a babinet and two
By being welded and fixed, a babinet and a holder are bolted secondary babinet.The upper short side established angle of babinet 2
Steel, and 2 long lumbar holes are respectively set for being bolted with inflatable switch cabinet pedestal, 2 lower long sides install angle steel, angle
Isometric long lumbar hole is arranged in 1 face of steel, for being fixed with a rack rod.Babinet lower surface is arranged 3 cables and wears
Three-phase straight-through current transformer fixing bracket is arranged far from secondary babinet long side direction in the cable aperture entered, and fixing bracket opens 6
For forming secondary cabling with the wire casing partition board of the fixed long lumbar hole of three-phase straight-through current transformer, fixing bracket and right short side
Slot penetrates secondary babinet for Current Transformer Secondary line through this secondary cabling channel.Secondary babinet long side under a babinet
U-shaped rails are arranged in direction, install 1 row's terminal, containing 4 groups of three-phase currents and 1 group of monophase current experiment terminal and 2 groups of light terminals, use
It is docked in secondary wiring of current mutual inductor and optical port, secondary 2, babinet upper surface setting network communication mouth, pre-fabricated electric cables connector 3
It is a, for being interacted with external communication, clock synchronization and I/O.Holder passes through four variable length links and a babinet
Fixed, holder is made of upper and lower 4 cross-brace holders, and angle steel two sides is respectively provided with equidistant long lumbar hole, a face long lumbar hole with can
Become length link to be bolted, in addition a face long lumbar hole is fixed on one with the same side vertical direction holder by long bolt
It rises.Position is adjustable up and down for holder.The one of variable length link of the holder be arranged a holder with
Cable tube between secondary babinet penetrates secondary babinet for zero sequence current mutual inductor secondary line through this cable tube.
Beneficial effects of the present invention：
1, the present invention provides a kind of external Modularized mounting frame, realizes the external of current mutual inductor on site flexibility and reliability
Wiring is installed.
2, the present invention is equipped with the prefabricated interface of multiple moduleization in accessory module, and real switchgear external interface is inserted i.e.
With.
Description of the drawings
Fig. 1 is a kind of inflatable switch cabinet pedestal accessory module structural schematic diagram in the present invention；
Fig. 2 is a kind of inflatable switch cabinet pedestal accessory module schematic top plan view in the present invention；
Fig. 3 is a kind of inflatable switch cabinet pedestal accessory module short side schematic side view in the present invention；
Fig. 4 is a kind of inflatable switch cabinet pedestal accessory module long side schematic side view in the present invention.
The mark meaning of attached drawing is as follows：
1：Babinet；2：Secondary babinet；3：Holder；4：Three-phase straight-through current transformer；5：Zero-sequence current is mutual
Sensor；11：Fixing bracket；12：Wire casing partition board；13：No. one time babinet fixes angle steel；14：One time holder fixes angle steel；15：Cable
Hole；21：Pre-fabricated electric cables connector；22：Network communication mouth；23：Light terminal；24：Test terminal；25：U-bracket；31：Variable-length
Connecting rod；32：Cross-brace holder；33：Long bolt；34：Cable tube.
Specific implementation mode
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that the technology of this field
Personnel can be better understood from the present invention and can be practiced, but illustrated embodiment is not as limiting to the invention.
As shown in Figure 1, a kind of inflatable switch cabinet pedestal accessory module, including the external three-phase centre path current mutual inductance of installation
Babinet 1 of device 4, the secondary babinet 2 with electrical secondary module interface and the external zero sequence current mutual inductor of installation 5 it is primary
Holder 3, a babinet and secondary babinet are bolted, and a babinet and a holder are bolted.
No. one time babinet uses angle steel keel holder, upper surface to leave a blank, and other faces are welded using stainless steel plate with keel,
Box sizes are consistent with cable pore size of base of switch cabinet, the short side direction respectively installation 1 isometric parallel one upper surface 2
Secondary babinet fixes angle steel 13, and when scene splicing, entire pedestal accessory module passed through 4 bolts using this angle steel with base of switch cabinet
It is fixed.The equidistant cable aperture 15 of 3 diameter 100mm is opened in babinet lower surface, and external 4 accumbency of three-phase straight-through current transformer exists
Babinet, the interior circular hole of three-phase straight-through current transformer 4 and a babinet lower surface 3 15 center pair of equidistant cable aperture
Together, three-phase straight-through current transformer bottom is fixed by 2 bolts and fixing bracket 11 respectively, and secondary cable passes through fixed branch
The cable trunking that frame 11 and wire casing partition board 12 are formed accesses secondary case experiment in vivo terminal 24.Babinet lower surface is far from secondary
Babinet long side direction with secondary babinet lower surface far from a babinet long side direction, respectively fix by 1 isometric parallel holder of installation
Isometric long lumbar hole, 4 groups of 31 companies of being bolted of variable length link at scene and a holder are arranged in angle steel 14 below
It connects.
Secondary babinet is consistent with a body structure, and using angle steel keel holder, each face is welded using stainless steel plate and keel
It connects, babinet long side is consistent with a babinet, and short side is a babinet one third, and highly than No. one time babinet is short 50mm.
U-shaped rails 25 are set close to the lower long side of a babinet, and arrange that 4 groups of three-phase currents and 1 group of monophase current test terminal 24 and 2
Group light terminal 23, testing terminal accesses the secondary connection of three-phase straight-through current transformer and zero sequence current mutual inductor, light terminal
It is docked with external GOOSE network by prefabricated optical cable for protection supervisory equipment in switchgear.Secondary babinet upper surface setting
Totally 2, RJ45 network communications mouth 22, for protection supervisory equipment in switchgear by customizing cable and outside MMS network A B nets pair
It connects.Secondary babinet upper surface setting pre-fabricated electric cables connector 21 totally 3, passes through for telemetering, remote signalling and remote information in switchgear
Pre-fabricated electric cables are interacted with shared device in station.
Holder is made of 4 groups of vertical variable length links 31 and 4 groups of cross-brace holders 32.4 groups of vertical variable lengths
Degree connecting rod 31 is formed using the angle splice joint of two sections of 150mm, and two faces of angle steel are respectively provided with isometric long lumbar hole, topmost 1
Long lumbar hole is fixed angle steel 14 with the isometric parallel holder of a bottom of box and is bolted, and fixed position can be in long side
Direction movement adjustment.When needing to adjust the height of zero sequence current mutual inductor installation, change the fixed length of bolt between two sections of angle steel
It realizes waist hole position.Cross-brace holder 32 for fixing and supporting zero sequence current mutual inductor shares 4, each 2 up and down, with
4 groups of vertical variable length links 31 are vertical, and two faces of angle steel are respectively provided with isometric long lumbar hole, a face long lumbar hole and variable-length
Connecting rod is bolted, and in addition a face long lumbar hole is fixed together with the same side vertical direction holder by long bolt 33, and two
The fixed position in side is adjusted all in accordance with the size and thickness of zero sequence current mutual inductor, to which zero sequence current mutual inductor 5 is reliable
It is fixed on the center of holder.The outside of the vertical variable length link of one of which simultaneously connects a cable tube, and cable tube uses two sections
The stainless steel tube of 150mm is mutually nested together composition, can be with the adjustment synchronous adjustment of variable length link height, zero sequence current mutual inductance
The secondary connection of device is connected to secondary babinet by penetration pipe.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure transformation made by bright specification and accompanying drawing content, or other related technical areas are directly or indirectly used in,
It is included within the scope of the present invention.
Claims (6)
1. a kind of inflatable switch cabinet accessory module, it is characterised in that：Including the external three-phase straight-through current transformer (4) of installation
A babinet (1), the secondary babinet (2) with electrical secondary module interface and the external zero sequence current mutual inductor (5) of installation
Holder (3), by being welded and fixed, a babinet and a holder are bolted for a babinet and secondary babinet.
2. a kind of inflatable switch cabinet accessory module according to claim 1, it is characterised in that：Babinet (1)
2 upper short sides babinet be installed fix angle steel (13), and be respectively set equidistant long lumbar hole for and inflatable switch cabinet bottom
Seat is bolted, and is installed a holder far from long side under secondary babinet and is fixed angle steel (14), isometric length is arranged in 1 face of angle steel
Waist hole, for fixed with a holder variable length link (31).
3. a kind of inflatable switch cabinet accessory module according to claim 1, it is characterised in that：Babinet (1)
The cable aperture (15) that 3 cables penetrate is arranged in lower surface, and three-phase centre path current mutual inductance is arranged far from secondary babinet long side direction
Device fixing bracket (11), fixing bracket open 6 for the fixed long lumbar hole of three-phase straight-through current transformer, fixing bracket with
The wire casing partition board (12) of right short side forms secondary cabling channel, is penetrated through this secondary cabling channel for Current Transformer Secondary line secondary
Babinet (2).
4. a kind of inflatable switch cabinet accessory module according to claim 1, it is characterised in that：The secondary babinet (2)
The long side direction setting U-shaped rails (25) under a babinet, install 1 row's terminal, contain 4 groups of three-phase currents and 1 group of monophase current
Terminal (24) and 2 groups of light terminals (23) are tested, are docked for secondary wiring of current mutual inductor and optical port, secondary babinet upper surface is set
Set (22) 2, network communication mouth, pre-fabricated electric cables connector (21) 3, for being interacted with external communication, clock synchronization and I/O.Far from one
Long side installs a holder and fixes angle steel (14) under secondary babinet, and isometric long lumbar hole is arranged in 1 face of angle steel, and being used for can with a holder
It is fixed to become length link (31).
5. a kind of inflatable switch cabinet accessory module according to claim 1, it is characterised in that：Holder (3)
It is fixed with a babinet by four variable length links (31), holder is made of upper and lower 4 cross-brace holders (32), is used
Angle steel, angle steel two sides are respectively provided with equidistant long lumbar hole, and a face long lumbar hole is bolted with variable length link, in addition one side
Long lumbar hole is fixed together with the same side vertical direction holder by long bolt (33), holder position up and down
It adjusts.
6. a kind of inflatable switch cabinet accessory module according to claim 1, it is characterised in that：Holder (3)
The cable tube (34) between a holder and secondary babinet is arranged in one of variable length link, is used for zero sequence current mutual inductor two
Secondary line penetrates secondary babinet through this cable tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810485500.7A CN108376935A (en) | 2018-05-21 | 2018-05-21 | A kind of inflatable switch cabinet pedestal accessory module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810485500.7A CN108376935A (en) | 2018-05-21 | 2018-05-21 | A kind of inflatable switch cabinet pedestal accessory module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108376935A true CN108376935A (en) | 2018-08-07 |
Family
ID=63033505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810485500.7A Pending CN108376935A (en) | 2018-05-21 | 2018-05-21 | A kind of inflatable switch cabinet pedestal accessory module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108376935A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100042971A (en) * | 2008-10-17 | 2010-04-27 | 엘에스산전 주식회사 | Metering out fit |
| CN201927897U (en) * | 2011-01-30 | 2011-08-10 | 沈阳电力勘测设计院 | Novel 220kV combined electrical-apparatus secondary line-collecting terminal box |
| CN202736713U (en) * | 2012-06-19 | 2013-02-13 | 北京微能汇通电力技术有限公司 | Three-phase integral type current transformer |
| CN203522010U (en) * | 2013-10-11 | 2014-04-02 | 北京科锐配电自动化股份有限公司 | Fixed-type indoor signal-source switch cabinet |
| CN204668722U (en) * | 2015-05-11 | 2015-09-23 | 施耐德开关（苏州）有限公司 | With the gas insulation switch cabinet of overhead type current transformer structure |
| KR20160049936A (en) * | 2014-10-28 | 2016-05-10 | 대우조선해양 주식회사 | Current transformers for switchboard locations adjustment fixture |
| CN106300027A (en) * | 2016-08-30 | 2017-01-04 | 安徽中电兴发与鑫龙科技股份有限公司 | A kind of zero sequence current mutual inductor erecting device |
| CN208209382U (en) * | 2018-05-21 | 2018-12-07 | 南京南瑞继保电气有限公司 | A kind of inflatable switch cabinet pedestal accessory module |
-
2018
- 2018-05-21 CN CN201810485500.7A patent/CN108376935A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100042971A (en) * | 2008-10-17 | 2010-04-27 | 엘에스산전 주식회사 | Metering out fit |
| CN201927897U (en) * | 2011-01-30 | 2011-08-10 | 沈阳电力勘测设计院 | Novel 220kV combined electrical-apparatus secondary line-collecting terminal box |
| CN202736713U (en) * | 2012-06-19 | 2013-02-13 | 北京微能汇通电力技术有限公司 | Three-phase integral type current transformer |
| CN203522010U (en) * | 2013-10-11 | 2014-04-02 | 北京科锐配电自动化股份有限公司 | Fixed-type indoor signal-source switch cabinet |
| KR20160049936A (en) * | 2014-10-28 | 2016-05-10 | 대우조선해양 주식회사 | Current transformers for switchboard locations adjustment fixture |
| CN204668722U (en) * | 2015-05-11 | 2015-09-23 | 施耐德开关（苏州）有限公司 | With the gas insulation switch cabinet of overhead type current transformer structure |
| CN106300027A (en) * | 2016-08-30 | 2017-01-04 | 安徽中电兴发与鑫龙科技股份有限公司 | A kind of zero sequence current mutual inductor erecting device |
| CN208209382U (en) * | 2018-05-21 | 2018-12-07 | 南京南瑞继保电气有限公司 | A kind of inflatable switch cabinet pedestal accessory module |
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