CN108767729A - A kind of small-sized side-mounted looped network breaker cabinet - Google Patents
A kind of small-sized side-mounted looped network breaker cabinet Download PDFInfo
- Publication number
- CN108767729A CN108767729A CN201810896598.5A CN201810896598A CN108767729A CN 108767729 A CN108767729 A CN 108767729A CN 201810896598 A CN201810896598 A CN 201810896598A CN 108767729 A CN108767729 A CN 108767729A
- Authority
- CN
- China
- Prior art keywords
- breaker
- cabinet
- tri
- looped network
- small
- 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
Links
- 230000003068 static effect Effects 0.000 claims abstract description 30
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000005283 ground state Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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
-
- 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
- H02B13/005—Electrical connection between switchgear cells
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The present invention relates to a kind of small-sized side-mounted looped network breaker cabinets, the difference is that：It includes that tri-station isolating switch is provided in the bus-bar room of cabinet, and breaker and the current transformer positioned at breaker side are provided in breaker chamber, is provided in cable vault and connects cable ejectment and earthing switch；Tri-station isolating switch includes the mounting bracket being fixed on cabinet, annular insulating support is provided in mounting bracket, it is provided with circumferentially distributed along its on insulating support and angle is in 120 ° of upper static contact, lower static contact and grounding contact between any two, tri-station isolating switch further includes the moving contact that can be rotated around the center of circle of annular insulating support, moving contact includes that the angle using the center of circle of annular insulating support as the rotation reference section in the center of circle and between the outwardly extending two moving contact portions of radius of rotation reference section, two moving contact portions is in 120 °.The present invention had not only reduced the volume of cabinet, but also improved the distance for connecing cable, also improved security performance.
Description
Technical field
The present invention relates to high-voltage board field, especially a kind of small-sized side-mounted looped network breaker cabinet.
Background technology
The structure that looped network cabinet loop is generally combined using on-load switch simple in structure and fuse, with electricity market intelligence
The constantly raised needs of degree can be changed, ring main unit also requires to have cut-offs control to electric current, to realize matching for higher function
It sets.The size of looped network breaker cabinet serial so currently on the market, the wide * depths * high of initial design is 900 mm *, 1000 mm
* 2200 mm are needed along with the market of miniaturization, the size for being proposed wide * depths * high again in the market is 500 mm *, 1000 mm
* the size of 2000 mm and width * depths * high are 450*1000*2000, meet ring main unit market and increase breaker function simultaneously
The requirement of miniaturization is realized again.But volume change it is small after, since current transformer is installed in lower section cable vault, such drawback is
Cable vault connects the distance of cable less than 500mm, wiring it is difficult and be unsatisfactory in national grid ring main unit technical standard to cable away from
From requiring.Another mode is set about from current transformer, the current transformer of the punching of the particular manufacturing craft making of selection,
The cable vault that really solves the problems, such as connect cable distance, but the disadvantage is that the replaceable degree of mutual inductor similar with market of high cost not
It is high.
Invention content
It is an object of the invention to overcome the prior art, a kind of small-sized side-mounted looped network breaker cabinet is provided, both
The volume of cabinet is reduced, and improves the distance for connecing cable, also improves security performance.
In order to solve the above technical problems, the technical scheme is that：A kind of small-sized side-mounted looped network breaker cabinet, no
It is with place：It includes cabinet, is disposed with bus-bar room, breaker chamber and cable vault, institute in the cabinet from top to bottom
It states and is provided with tri-station isolating switch in bus-bar room, breaker and the electricity positioned at breaker side are provided in the breaker chamber
Current transformer is provided in the cable vault and connects cable ejectment and earthing switch；The tri-station isolating switch includes being fixed on
Mounting bracket on cabinet is provided with annular insulating support in the mounting bracket, is provided with along its week on the insulating support
Angle is in 120 ° of upper static contact, lower static contact and grounding contact to distribution and between any two, and the tri-station isolating switch is also
Including that can include with the annular insulating support around the moving contact of the center of circle rotation of the annular insulating support, the moving contact
The center of circle is for the rotation reference section in the center of circle and along the outwardly extending two moving contact portions of radius of the rotation reference section, described in two
Angle between moving contact portion is in 120 °.
By above technical scheme, the tri-station isolating switch, current transformer, connects cable ejectment and passes through copper breaker
Row is sequentially connected, described to connect cable ejectment and connect with the static contact of the earthing switch.
By above technical scheme, the upper static contact of the tri-station isolating switch is connect with inlet wire copper bar, three station
The lower static contact of disconnecting switch is connected by the upper static contact of branch's copper bar and breaker, the ground connection of the tri-station isolating switch
Contact is connect with grounding copper bar.
By above technical scheme, the lower static contact of the breaker is connected to the Current Mutual Inductance by branch's copper bar
On one terminal of device, then it is drawn out to and is connect in cable ejectment by another terminal of current transformer.
By above technical scheme, arrester is additionally provided in the cable vault.
By above technical scheme, the arrester is set between current transformer and earthing switch.
By above technical scheme, the earthing switch is arranged close to the upper end of the cable vault.
By above technical scheme, the looped network breaker cabinet further includes for controlling the tri-station isolating switch and ground connection
Switch the operating mechanism of division.
By above technical scheme, the operating mechanism includes the isolated operation component and use for controlling disconnecting switch division
In the ground connection operating assembly of control earthing switch division.
The prior art is compared, beneficial features of the invention are：The small-sized side-mounted looped network breaker cabinet, by current transformer
Side in breaker chamber and positioned at breaker can reduce the volume of cabinet and improve the distance for connecing cable；Annular
Insulating support can guarantee that the dynamic/static contact of disconnecting switch, all with the electric appliance gap of cabinet within safe distance, is improved in division
Security performance.
Description of the drawings
Fig. 1 is structural schematic diagram of the embodiment of the present invention；
Fig. 2 is structural schematic diagram of the embodiment of the present invention；
Fig. 3 is the side view of Fig. 2；
Fig. 4 is isolation operation axis and isolated operation connecting lever installation diagram in the embodiment of the present invention；
Fig. 5 is the left view of the isolated operation connecting lever in Fig. 4；
Wherein：1- bus-bar rooms, 2- breaker chambers, the cable vaults 3-, 4- tri-station isolating switch（401- mounting brackets, 402- insulation
Holder, 403- upper static contacts, 404- lower static contacts, 405- grounding contacts, 406- moving contacts（4061- rotates reference section, 4062-
Moving contact portion））, 5- breakers（501- upper static contacts, 502- lower static contacts）, 6- current transformers（601-P1 terminals, 602-P2
Terminal）, 7- connects cable ejectment, 8- earthing switches, 9- copper bars, 10- arresters, 11- disconnecting switch main shaft, 12- disconnecting switch turn
Arm, 13- isolated operation main shafts（1301- gap slots）, 14- isolated operation connecting levers（1401- isolated operation connecting levers piece, 1402-PVC
Pipe）, 15- first connecting rods, 16- grounding switch main shafts, 17- earthing switches connecting lever, 18- ground connection operation axis, 19- ground connection operation turn
Arm, 20- second connecting rods.
Specific implementation mode
Below by specific implementation mode combination attached drawing, invention is further described in detail.
Please refer to Fig.1 to Fig. 5, the small-sized side-mounted looped network breaker cabinet of the embodiment of the present invention comprising cabinet, in cabinet from
It is disposed with bus-bar room 1, breaker chamber 2 and cable vault 3 under, tri-station isolating switch 4 is provided in bus-bar room 1, breaks
It is provided with breaker 5 and the current transformer 6 positioned at 5 side of breaker in road device room 2, is provided in cable vault 3 and connects cable and draw
Row 7 and earthing switch 8；Tri-station isolating switch 4 includes the mounting bracket 401 being fixed on cabinet, is arranged in mounting bracket 401
There is annular insulating support 402, is provided with circumferentially distributed along its on insulating support 402 and angle is in 120 ° of upper stationary contact between any two
First 403, lower static contact 404 and grounding contact 405, tri-station isolating switch 4 further includes can be around the center of circle of annular insulating support 401
The moving contact 406 of rotation, moving contact 406 include using the center of circle of annular insulating support 402 as the rotation reference section 4061 in the center of circle and
Along the outwardly extending two moving contact portions 4062 of radius of rotation reference section 4061, the angle between two moving contact portions 4062 is in
120°。
Specifically, tri-station isolating switch 4, breaker 5, current transformer 6, connect cable ejectment 7 and connected successively by copper bar 9
It connects, connects cable ejectment 7 and connect with the static contact of earthing switch 8.The upper static contact 403 of tri-station isolating switch connects with inlet wire copper bar
Connect, the lower static contact 404 of tri-station isolating switch is connect by branch's copper bar 9 with the upper static contact 501 of breaker, three stations every
The grounding contact 405 for leaving pass is connect with grounding copper bar.The lower static contact 502 of breaker is connected to electric current by branch's copper bar 9
On the P1 terminals 601 of mutual inductor, then it is drawn out to and is connect in cable ejectment 7 by the P2 terminals 602 of current transformer.
Specifically, it is additionally provided with arrester 10 in cable vault 3.Preferably, arrester 10 is set to current transformer 6 and ground connection
Between switch 8.
Preferably, in order to fully improve the distance for connecing cable while reducing cabinet volume, earthing switch 8 is close to electricity
The upper end of cable room 3 is arranged.
Specifically, looped network breaker cabinet further includes the operation for controlling 8 division of tri-station isolating switch 4 and earthing switch
Mechanism, operating mechanism include isolated operation component for controlling 4 division of disconnecting switch and for controlling 8 division of earthing switch
It is grounded operating assembly.
In the embodiment of the present invention, isolated operation component includes disconnecting switch main shaft 11, disconnecting switch connecting lever 12, isolated operation
Main shaft 13 and isolated operation connecting lever 14, disconnecting switch main shaft 11 be set to rotation reference section 4061 circle centre position and with rotation benchmark
Portion 4061 is fixed, and one end of disconnecting switch connecting lever 12 is fixed on disconnecting switch main shaft 11, the other end of disconnecting switch connecting lever 12
It is rotatably connected and is connect with one end of isolated operation connecting lever 14 by first connecting rod 15, isolated operation connecting lever 14 is turned with disconnecting switch
Arm 12 is parallel and the other end of isolated operation connecting lever 14 is fixed on isolated operation main shaft 13.When division disconnecting switch 4, rotation every
From operation axis 13, isolated operation main shaft 13 passes sequentially through isolated operation connecting lever 14, first connecting rod 15,12 band of disconnecting switch connecting lever
Dynamic disconnecting switch main shaft 11 rotates, and disconnecting switch 4 turns to "on" position, gate-dividing state with disconnecting switch main shaft 11 or connects at this time
Ground state.When two moving contact portions 4062 of disconnecting switch simultaneously respectively with the upper static contact of disconnecting switch 403 and lower static contact
When 404 contact, disconnecting switch 4 is in "on" position；It please refers to Fig.1 and Fig. 2, when two moving contact portions 4062 of disconnecting switch do not have
When having while being contacted respectively with the upper static contact of disconnecting switch 403 and lower static contact 404, disconnecting switch 4 is in gate-dividing state；When
When two moving contact portions 4062 of disconnecting switch are contacted with the lower static contact of disconnecting switch 404 and grounding contact 405 respectively simultaneously,
Disconnecting switch 4 is in ground state.
In the embodiment of the present invention, ground connection operating assembly includes grounding switch main shaft 16, earthing switch connecting lever 17, ground connection operation
Main shaft 18 and ground connection operation connecting lever 19, grounding switch main shaft 16 are rotatably arranged on earthing switch 8, earthing switch connecting lever 17
One end and grounding switch main shaft 16 fix, the other end of earthing switch connecting lever 17 passes through second connecting rod 20 and ground connection operation connecting lever
19 one end is rotatably connected, and the other end and the ground connection operation axis 18 of ground connection operation connecting lever 19 are fixed, earthing switch connecting lever 17
It can be turned to ground connection operation axis 18 with one end that second connecting rod 20 connects and contact or separate with earthing switch 8.Division is grounded
When switch 8, rotation ground connection operation axis 18, ground connection operation axis 18 passes sequentially through ground connection operation connecting lever 19,20 band of second connecting rod
Dynamic earthing switch connecting lever 17 rotates.When earthing switch connecting lever 17 turns to state shown in Fig. 1, earthing switch 8 is in combined floodgate shape
State.When earthing switch connecting lever 17 turns to state shown in Fig. 2, earthing switch 8 is in gate-dividing state.
Specifically, current transformer 6 is the current transformer of LZZBI9 type bus-types.Breaker 5 is small-sized side-mounted disconnected
Road device.
Assembly method all same in the embodiment of the present invention between each main shaft and corresponding connecting lever.Wherein behaviour is isolated
Make to illustrate for main shaft 13 and isolated operation connecting lever 14.Please refer to Fig.4 and Fig. 5, on isolated operation main shaft 13 with behaviour is isolated
One end cylindrical surface for making the cooperation of connecting lever 14 offers a gap slot 1301.Isolated operation connecting lever 14 includes that two parallel and interval is set
The isolated operation connecting lever piece 1401 set, isolated operation connecting lever piece 1401 is to deserving to be called the peace for offering and coordinating with isolated operation main shaft 13
Hole is filled, the fixing protrusion coordinated with gap slot is formed in mounting hole, two isolated operation connecting lever pieces 1401 pass through pvc pipe 1402
Connection, the mounting hole of two isolated operation connecting lever pieces 1401 are connected at the both ends nozzle of pvc pipe 1402.
In the embodiment of the present invention, after ensureing that volume design is small, the 650mm of national standard is reached with electrical distance, in busbar
Room 1 uses tri-station isolating switch 4, and other than it can guarantee the normal operating of three stations, electrical body to side, which dismisses edge, to be reached
To 42kV/1 minutes national standards.Breaker 5 uses side-mounted breaker, and current transformer 6 is installed to breaker chamber
2, the space of cable is improved, the safe distance requirement of national standard has been reached.
The above content is combine specific embodiment to the further description of the invention done, and it cannot be said that this hair
Bright specific implementation is confined to these explanations.For the those of ordinary skill of the technical field belonging to the present invention, not
Under the premise of being detached from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the guarantor of the present invention
Protect range.
Claims (9)
1. a kind of small-sized side-mounted looped network breaker cabinet, it is characterised in that：It includes cabinet, in the cabinet from top to bottom successively
It is provided with bus-bar room, breaker chamber and cable vault, is provided with tri-station isolating switch in the bus-bar room, in the breaker chamber
It is provided with breaker and the current transformer positioned at breaker side, is provided with to connect cable ejectment and be grounded in the cable vault and open
It closes；The tri-station isolating switch includes the mounting bracket being fixed on cabinet, and annular insulation is provided in the mounting bracket
Holder is provided with and between any two angle upper static contact in 120 °, lower static contact circumferentially distributed along its on the insulating support
And grounding contact, the tri-station isolating switch further includes can be around the moving contact of the center of circle rotation of the annular insulating support, institute
It includes rotating the half of reference section using the center of circle of the annular insulating support as the rotation reference section in the center of circle and along described to state moving contact
Two radially outwardly extending moving contact portions, the angle between two moving contact portions are in 120 °.
2. small-sized side-mounted looped network breaker cabinet as described in claim 1, it is characterised in that：The tri-station isolating switch,
Breaker, current transformer connect cable ejectment and are sequentially connected by copper bar, described to connect the quiet of cable ejectment and the earthing switch
Contact connects.
3. small-sized side-mounted looped network breaker cabinet as claimed in claim 2, it is characterised in that：The tri-station isolating switch
Upper static contact is connect with inlet wire copper bar, and the lower static contact of the tri-station isolating switch is upper quiet by branch's copper bar and breaker
Contact connects, and the grounding contact of the tri-station isolating switch is connect with grounding copper bar.
4. small-sized side-mounted looped network breaker cabinet as claimed in claim 3, it is characterised in that：The lower static contact of the breaker
It is connected on a terminal of the current transformer by branch's copper bar, then passes through another end of current transformer
Son, which is drawn out to, to be connect in cable ejectment.
5. small-sized side-mounted looped network breaker cabinet as described in claim 1, it is characterised in that：It is additionally provided in the cable vault
Arrester.
6. small-sized side-mounted looped network breaker cabinet as claimed in claim 5, it is characterised in that：It is mutual that the arrester is set to electric current
Between sensor and earthing switch.
7. small-sized side-mounted looped network breaker cabinet as described in claim 1, it is characterised in that：The earthing switch is close to described
The upper end of cable vault is arranged.
8. small-sized side-mounted looped network breaker cabinet as described in any one of claim 1 to 7, it is characterised in that：The looped network is disconnected
Road device cabinet further includes the operating mechanism for controlling the tri-station isolating switch and earthing switch division.
9. small-sized side-mounted looped network breaker cabinet as claimed in claim 8, it is characterised in that：The operating mechanism includes being used for
Control the isolated operation component of disconnecting switch division and the ground connection operating assembly for controlling earthing switch division.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810896598.5A CN108767729A (en) | 2018-08-08 | 2018-08-08 | A kind of small-sized side-mounted looped network breaker cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810896598.5A CN108767729A (en) | 2018-08-08 | 2018-08-08 | A kind of small-sized side-mounted looped network breaker cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108767729A true CN108767729A (en) | 2018-11-06 |
Family
ID=63969363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810896598.5A Pending CN108767729A (en) | 2018-08-08 | 2018-08-08 | A kind of small-sized side-mounted looped network breaker cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108767729A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991608A (en) * | 2021-10-22 | 2022-01-28 | 浙江浙能兰溪发电有限责任公司 | Circuit breaker for improving insulation measurement safety of generator stator winding |
| CN119482130A (en) * | 2025-01-07 | 2025-02-18 | 川开电气有限公司 | Inflatable cabinet and system |
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|---|---|---|---|---|
| CN201758250U (en) * | 2010-05-14 | 2011-03-09 | 河南思达高科技股份有限公司 | Minitype fixed metal-enclosed switchgear |
| CN203895828U (en) * | 2014-04-28 | 2014-10-22 | 浙宝电气(杭州)集团有限公司 | Ring network switch apparatus |
| CN204927164U (en) * | 2015-09-18 | 2015-12-30 | 安徽天赢电气成套设备制造有限公司 | Indoor three station internal rotation list power high voltage isolator of double knives that have annular insulation cover |
| CN205992694U (en) * | 2016-08-31 | 2017-03-01 | 湖北长江电气有限公司 | A kind of AC high-voltage metal sealed formula loop-network switch cabinet |
| CN207251064U (en) * | 2017-09-30 | 2018-04-17 | 宁波甬新东方电气有限公司 | The miniaturization ring main unit of tri-station isolating switch under a kind of adapted |
| CN207588341U (en) * | 2017-12-29 | 2018-07-06 | 青岛特锐德电气股份有限公司 | A kind of cabinet type Cubicle Gas-Insulated Switchgear |
| CN208656282U (en) * | 2018-08-08 | 2019-03-26 | 湖北省电力装备有限公司 | A kind of small-sized side-mounted looped network breaker cabinet |
-
2018
- 2018-08-08 CN CN201810896598.5A patent/CN108767729A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201758250U (en) * | 2010-05-14 | 2011-03-09 | 河南思达高科技股份有限公司 | Minitype fixed metal-enclosed switchgear |
| CN203895828U (en) * | 2014-04-28 | 2014-10-22 | 浙宝电气(杭州)集团有限公司 | Ring network switch apparatus |
| CN204927164U (en) * | 2015-09-18 | 2015-12-30 | 安徽天赢电气成套设备制造有限公司 | Indoor three station internal rotation list power high voltage isolator of double knives that have annular insulation cover |
| CN205992694U (en) * | 2016-08-31 | 2017-03-01 | 湖北长江电气有限公司 | A kind of AC high-voltage metal sealed formula loop-network switch cabinet |
| CN207251064U (en) * | 2017-09-30 | 2018-04-17 | 宁波甬新东方电气有限公司 | The miniaturization ring main unit of tri-station isolating switch under a kind of adapted |
| CN207588341U (en) * | 2017-12-29 | 2018-07-06 | 青岛特锐德电气股份有限公司 | A kind of cabinet type Cubicle Gas-Insulated Switchgear |
| CN208656282U (en) * | 2018-08-08 | 2019-03-26 | 湖北省电力装备有限公司 | A kind of small-sized side-mounted looped network breaker cabinet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991608A (en) * | 2021-10-22 | 2022-01-28 | 浙江浙能兰溪发电有限责任公司 | Circuit breaker for improving insulation measurement safety of generator stator winding |
| CN119482130A (en) * | 2025-01-07 | 2025-02-18 | 川开电气有限公司 | Inflatable cabinet and system |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181106 |
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