CN208209382U - A kind of inflatable switch cabinet pedestal accessory module - Google Patents
A kind of inflatable switch cabinet pedestal accessory module Download PDFInfo
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- CN208209382U CN208209382U CN201820761468.6U CN201820761468U CN208209382U CN 208209382 U CN208209382 U CN 208209382U CN 201820761468 U CN201820761468 U CN 201820761468U CN 208209382 U CN208209382 U CN 208209382U
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Abstract
The utility model discloses a kind of inflatable switch cabinet pedestal accessory module, accessory module includes a bracket of a cabinet for installing external three-phase straight-through current transformer, the secondary cabinet with electrical secondary module interface and the external zero sequence current mutual inductor of installation.Cabinet 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 cabinet provides the secondary wiring terminals and modular external interface for being configured with external current transformer, and the plug and play that prefabricated cable, prefabricated optical cable and pre-fabricated electric cables realize interface can be used.Bracket provides the field erected fixed bracket of external zero sequence current mutual inductor, and a bracket can adjust the height and space size of external zero sequence transformer installation by the long lumbar hole on bracket and connecting rod.
Description
Technical field
The utility model relates to transforming plant primary equipment field more particularly to the external Current Mutual Inductances of high-pressure inflation type switchgear
Device and modular interface technique.
Background technique
One of the core concept of New Generation of Intelligent substation construction is exactly the miniaturization for wideling popularize equipment, integrated, 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 gas, as dielectric, insulation distance reduces, and cabinet body size is significantly
Reduce, meets the demand of New Generation of Intelligent substation construction.But maintenance is same before inflatable switch cabinet volume becomes smaller, realizes only
When limit the type selecting and 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
Maintenance inflatable switch cabinet is needed using 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 due to the design pattern that most of switchgear has used secondary device to transfer 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.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of inflatable switch cabinet pedestal accessory module, this module is equipped with outer
The mounting structure for setting punching formula threephase current transformer and zero sequence current mutual inductor meets inflatable switch cabinet Current Mutual Inductance
Prefabricated optical cable, pre- can be used in the demand that scene is flexibly installed when device external design, while being equipped with the modular interface of secondary connection
Cable processed and prefabricated cable realize the plug and play of interface.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
A kind of inflatable switch cabinet accessory module, a cabinet comprising the external three-phase straight-through current transformer of installation,
Secondary cabinet with electrical secondary module interface and a bracket for installing external zero sequence current mutual inductor, a cabinet and two
By being welded and fixed, a cabinet and a bracket are bolted secondary cabinet.Described a cabinet 2 upper short side established angles
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 fixing with a rack rod.Cabinet lower surface is arranged 3 cables and wears
The cable aperture entered, far from the fixed bracket of secondary cabinet longitudinal direction setting three-phase straight-through current transformer, fixed bracket opens 6
For the long lumbar hole fixed with three-phase straight-through current transformer, the wire casing partition of fixed bracket and right short side forms secondary cabling
Slot penetrates secondary cabinet through this secondary cabling channel for Current Transformer Secondary line.Secondary cabinet long side under a cabinet
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 cabinet upper surface is arranged 2, network communication mouth, pre-fabricated electric cables connector 3
It is a, for being interacted with external communication, clock synchronization and I/O.Bracket passes through four variable length links and a cabinet
Fixed, bracket is made of upper and lower 4 cross-brace brackets, 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 by long bolt with the same side vertical direction bracket
It rises.Position is adjustable up and down for bracket.The one of variable length link of the bracket be arranged a bracket with
Cable tube between secondary cabinet penetrates secondary cabinet through this cable tube for zero sequence current mutual inductor secondary line.
The utility model has the beneficial effects that
1, the utility model provides a kind of external Modularized mounting frame, realizes current mutual inductor on site flexibility and reliability
External installation wiring.
2, the utility model is equipped with the prefabricated interface of multiple moduleization in accessory module, and real switchgear external interface is inserted
Use.
Detailed description of the invention
Fig. 1 is a kind of inflatable switch cabinet pedestal accessory module structural schematic diagram in the utility model；
Fig. 2 is a kind of inflatable switch cabinet pedestal accessory module schematic top plan view in the utility model；
Fig. 3 is a kind of inflatable switch cabinet pedestal accessory module short side schematic side view in the utility model；
Fig. 4 is a kind of inflatable switch cabinet pedestal accessory module long side schematic side view in the utility model.
The mark meaning of attached drawing is as follows:
1: cabinet；2: secondary cabinet；3: brackets；4: three-phase straight-through current transformer；5: zero-sequence current is mutual
Sensor；11: fixed bracket；12: wire casing partition；The fixed angle steel of 13: cabinets；The fixed angle steel of 14: brackets；15: cable
Hole；21: pre-fabricated electric cables connector；22: network communication mouth；23: light terminal；24: experiment terminal；25:U type bracket；31: variable-length
Connecting rod；32: cross-brace bracket；33: long bolt；34: cable tube.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing, so that this field
Technical staff can better understand the utility model and can be practiced, but illustrated embodiment is not as the limit of the utility model
It is fixed.
As shown in Figure 1, a kind of inflatable switch cabinet pedestal accessory module, comprising installing external three-phase centre path current mutual inductance
Cabinet 1 of device 4, the secondary cabinet 2 with electrical secondary module interface and the external zero sequence current mutual inductor 5 of installation it is primary
Bracket 3, a cabinet and secondary cabinet are bolted, and a cabinet and a bracket are bolted.
No. one time cabinet uses angle steel keel bracket, and upper surface is left 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, and upper surface 2, short side direction respectively installs 1 isometric parallel one
The fixed angle steel 13 of secondary cabinet, when scene splicing, entire pedestal accessory module using this angle steel and base of switch cabinet passed through 4 bolts
It is fixed.The equidistant cable aperture 15 of 3 diameter 100mm is opened in cabinet lower surface, and external 4 accumbency of three-phase straight-through current transformer exists
Cabinet, the interior circular hole of three-phase straight-through current transformer 4 and a cabinet lower surface 3 15 center pair of equidistant cable aperture
Together, three-phase straight-through current transformer bottom passes through 2 bolts respectively and fixed bracket 11 is fixed, and secondary cable passes through fixed branch
The cable trunking that frame 11 and wire casing partition 12 are formed accesses secondary case experiment in vivo terminal 24.Cabinet lower surface is far from secondary
Cabinet longitudinal direction is respectively installed 1 isometric parallel bracket far from a cabinet longitudinal direction with secondary cabinet lower surface and is fixed
Isometric long lumbar hole, 4 groups of 31 companies of being bolted of variable length link at scene and a bracket are arranged in angle steel 14 below
It connects.
Secondary cabinet is consistent with a body structure, and using angle steel keel bracket, each face is welded using stainless steel plate and keel
It connects, cabinet long side is consistent with a cabinet, and short side is a cabinet one third, and highly than No. one time cabinet is 50mm short.?
U-shaped rails 25 are set close to the lower long side of a cabinet, 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 access the secondary connection of three-phase straight-through current transformer and zero sequence current mutual inductor, light terminal
It is docked by prefabricated optical cable with external GOOSE network for protection supervisory equipment in switchgear.Secondary cabinet upper surface setting
Totally 2, RJ45 network communication mouth 22, pass through customization cable and outside MMS network A B net pair for protection supervisory equipment in switchgear
It connects.Secondary cabinet upper surface is arranged 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 interior shared device of standing.
Bracket is made of 4 groups of vertical variable length link 31 and 4 group cross-brace brackets 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, and topmost 1
Long lumbar hole is bolted with the fixed angle steel 14 of the isometric parallel bracket of a bottom of box, and fixed position can be in long side
The mobile adjustment in direction.When needing to adjust the height of zero sequence current mutual inductor installation, change the length that bolt is fixed between two sections of angle steel
It realizes waist hole position.Cross-brace bracket 32 for fixing and supporting zero sequence current mutual inductor shares 4, and 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 bracket 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, so that zero sequence current mutual inductor 5 is reliable
It is fixed on the center of bracket.Wherein the outside of one group of vertical variable length link and a cable tube is connect, 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 cabinet by penetration pipe.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure transformation made based on the specification and figures of the utility model, or directly or indirectly it is used in other correlations
Technical field, be also included in the patent protection scope of the utility model.
Claims (6)
1. a kind of inflatable switch cabinet pedestal accessory module, it is characterised in that: comprising installing external three-phase centre path current mutual inductance
A cabinet (1), the secondary cabinet (2) with electrical secondary module interface and the external zero sequence current mutual inductor of installation of device (4)
(5) by being welded and fixed, a cabinet and a bracket are solid by bolt for a bracket (3), a cabinet and secondary cabinet
It is fixed.
2. a kind of inflatable switch cabinet pedestal accessory module according to claim 1, it is characterised in that: a cabinet
(1) it is fixed angle steel (13) that 2 upper short sides install a cabinet, and equidistant long lumbar hole is respectively set and is used for and inflatable switch cabinet
Pedestal is bolted, and is installed a bracket far from long side under secondary cabinet and is fixed angle steel (14), 1 face of angle steel is arranged isometric
Long lumbar hole, for fixed with a bracket variable length link (31).
3. a kind of inflatable switch cabinet pedestal accessory module according to claim 1, it is characterised in that: a cabinet
(1) cable aperture (15) that 3 cables penetrate is arranged in lower surface, mutual far from secondary cabinet longitudinal direction setting three-phase centre path current
Sensor is fixed bracket (11), and fixed bracket opens 6 for the long lumbar hole fixed with three-phase straight-through current transformer, fixed bracket
Secondary cabling channel is formed with the wire casing partition (12) of right short side, penetrates two through this secondary cabling channel for Current Transformer Secondary line
Secondary cabinet (2).
4. a kind of inflatable switch cabinet pedestal accessory module according to claim 1, it is characterised in that: the secondary cabinet
(2) longitudinal direction setting U-shaped rails (25) under a cabinet, installs 1 row's terminal, contains 4 groups of three-phase currents and 1 group of single-phase electricity
Stream experiment terminal (24) and 2 groups of light terminals (23) are docked, secondary cabinet upper surface for secondary wiring of current mutual inductor and optical port
Setting (22) 2, network communication mouth, pre-fabricated electric cables connector (21) 3, for being interacted with external communication, clock synchronization and I/O；It is separate
Long side installs that bracket is fixed angle steel (14), and isometric long lumbar hole is arranged in 1 face of angle steel under cabinet, is used for and a bracket
Variable length link (31) is fixed.
5. a kind of inflatable switch cabinet pedestal accessory module according to claim 1, it is characterised in that: a bracket
(3) it is fixed by four variable length links (31) with a cabinet, bracket is made of upper and lower 4 cross-brace brackets (32),
Using angle steel, angle steel two sides is respectively provided with equidistant long lumbar hole, and a face long lumbar hole is bolted with variable length link, in addition
One face long lumbar hole is fixed together with the same side vertical direction bracket by long bolt (33), and position is equal up and down for a bracket
It is adjustable.
6. a kind of inflatable switch cabinet pedestal accessory module according to claim 1, it is characterised in that: a bracket
(3) cable tube (34) between a bracket and secondary cabinet is arranged in one of variable length link, is used for zero sequence current mutual inductance
Device secondary line penetrates secondary cabinet through this cable tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820761468.6U CN208209382U (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 |
|---|---|---|---|
| CN201820761468.6U CN208209382U (en) | 2018-05-21 | 2018-05-21 | A kind of inflatable switch cabinet pedestal accessory module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208209382U true CN208209382U (en) | 2018-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820761468.6U Active CN208209382U (en) | 2018-05-21 | 2018-05-21 | A kind of inflatable switch cabinet pedestal accessory module |
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| CN (1) | CN208209382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376935A (en) * | 2018-05-21 | 2018-08-07 | 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 CN201820761468.6U patent/CN208209382U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376935A (en) * | 2018-05-21 | 2018-08-07 | 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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