CN208015209U - Voltage switchgear is pressed in one kind - Google Patents
Voltage switchgear is pressed in one kind Download PDFInfo
- Publication number
- CN208015209U CN208015209U CN201820284627.8U CN201820284627U CN208015209U CN 208015209 U CN208015209 U CN 208015209U CN 201820284627 U CN201820284627 U CN 201820284627U CN 208015209 U CN208015209 U CN 208015209U
- Authority
- CN
- China
- Prior art keywords
- bus
- bar
- room
- busbar
- voltage switchgear
- 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
Links
Abstract
The utility model discloses voltage switchgear, including cabinet is pressed in one kind, it is divided into bus-bar room, cable vault, switch gear room and low pressure control room inside cabinet, totally 4 compartments, is separated between each compartment by the way that metal partion (metp) is completely enclosed；Bus-bar room, 1 pressure release passage is respectively provided at the top of cable vault and switch gear room, bus-bar room, contact box is equipped in cable vault, two contact boxs are individually fixed in the metal partion (metp) between bus-bar room and switch gear room, on metal partion (metp) between cable vault and switch gear room, circuit breaker cart by the static contact in contact box respectively with bus-bar room, the indoor branch bar of cable is connected, main bus-bar is equipped in bus-bar room, the joint of main bus-bar is equipped with busbar shiplap joint box, main bus-bar is fixed on the cabinet by supporting insulator, one end of main bus-bar mounted on the bus casing of bus-bar room side by stretching out outside cabinet.The integral insulation level of the utility model is apparently higher than 12kV common cabinets type and cost is significantly lower than 24kV products.
Description
Technical field
The utility model is related to press voltage switchgear in one kind, belong to medium-voltage distribution equipment technical field.
Background technology
Middle pressure voltage switchgear is a kind of controller switching equipment used in power transmission and transformation system, carries conveying, the distribution of electric energy
And control action.The insulation performance parameter and reliability of switchgear depend on selected insulation system, while product cost is very big
It is also depended in degree and selected insulation system.Currently, being 15kV and domestic height above sea level for rated voltage in international engineering projects
2500 meters or less two pieces of market demands are thrown with common 12kV products, and dielectric level does not reach requirement, and is generally with rated voltage
For the product of 24kV to be handled for small pattern greatly, cost is very high.
Invention content
The technical problems to be solved in the utility model is：It provides a kind of integral insulation level and is apparently higher than 12kV common cabinets
Type and cost are significantly lower than the middle pressure voltage switchgear of 24kV products, solve and are for rated voltage in international engineering projects
Two pieces of market demands of 15kV and domestic 2500 meters of height above sea level or less, are thrown, dielectric level does not reach requirement, and uses volume with common 12kV products
Constant voltage is the product treatment of 24kV, problem of high cost.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is in one kind there is provided pressing voltage switchgear,
It is characterised in that it includes cabinet, it is divided into bus-bar room, cable vault, switch gear room and low pressure control room inside cabinet, totally 4 compartments,
It is separated between each compartment by the way that metal partion (metp) is completely enclosed；1 pressure release is respectively provided at the top of bus-bar room, cable vault and switch gear room
Channel is equipped with contact box in bus-bar room, cable vault, and two contact boxs are individually fixed in the metal between bus-bar room and switch gear room
On metal partion (metp) between partition board, cable vault and switch gear room, circuit breaker cart by the static contact in contact box respectively with busbar
Room, the indoor branch bar of cable are connected, and main bus-bar are equipped in bus-bar room, the joint of main bus-bar is equipped with busbar shiplap joint box, main
Busbar is fixed on the cabinet by supporting insulator, and one end of main bus-bar passes through the bus casing stretching mounted on bus-bar room side
Outside cabinet.
Preferably, it is disposed with current transformer, earthing switch, cable connection busbar in the cable vault, earthing switch,
Cable connection busbar is connect with current transformer.
Preferably, main bus-bar is square type busbar in the bus-bar room, and main bus-bar is single or double according to current-carrying capacity size
Root busbar simultaneously connects composition.
Preferably, the contact box is Integral three-phase structure, and supporting insulator is large distance insulator, busbar shiplap joint
Box is enclosed construction.
Preferably, the bus casing is interior pressure external shield type structure, and the inner wall surface of bus casing is conductor, female
The inner wall surface of thread casing is equipped with a lead, which connect with the busbar across bus casing.
Preferably, it is both provided with pressure release cover board on each pressure release passage.
Preferably, the pressure release cover board is convertible pressure release cover board.
The integral insulation level of the utility model is apparently higher than 12kV common cabinets type and cost is significantly lower than 24kV products.This
The contact box of utility model is Integral three-phase structure, is injection moulded using mixture of epoxy resins.Supporting insulator is to climb greatly
Away from insulator, creepage distance over the ground is increased, be easy the defect of electric discharge with solving alternate, phase；Bus casing is that interior pressure is outer
The inner wall surface of shield type structure, bus casing is conductor, and has a lead to be connect with across its busbar, make internal surface of sleeve pipe with
Busbar equipotential solves the defect of the powerful easy electric discharge of gap local field between internal surface of sleeve pipe and busbar；Busbar shiplap joint box
For enclosed construction, the bolt of busbar junction can be shielded, prevent point discharge phenomenon from generating.Main switch room, mother
It is completely isolated using metal partion (metp) between four line room, cable vault and low-pressure chamber compartments, the maintenance and/or more of compartment can be made
It changes and does not interfere with other compartments, really realize modularization by function.
Description of the drawings
Fig. 1 is a kind of compartment distribution schematic diagram of middle pressure voltage switchgear；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is a kind of internal structure schematic diagram of middle pressure voltage switchgear.
Specific implementation mode
To make the utility model be clearer and more comprehensible, hereby with preferred embodiment, and attached drawing is coordinated to be described in detail below.
The utility model be it is a kind of in press voltage switchgear, as shown in Figure 1-Figure 3 comprising fixed cabinet 1 and can take out
6 two parts of circuit breaker cart gone out.Bus-bar room A, cable vault B, switch gear room C and low pressure control room D totally 4 is divided into inside cabinet 1
A compartment is separated using metal partion (metp) is completely enclosed between each compartment；It is respectively set at the top of bus-bar room A, cable vault B and switch gear room C
There is 1 pressure release passage 2, pressure release cover board 3 is both provided on each pressure release passage 2, pressure release cover board 3 is convertible pressure release cover board, when
When arcing failure occurring in switchgear, the air pressure that fault electric arc generates can open pressure release cover board 3, make hot gas that cabinet be discharged rapidly
Outside.Circuit breaker cart 6 is set in switch gear room C.
It is disposed with a component such as current transformer 12, earthing switch 14, cable connection busbar 13 in cable vault B, connects
Ground switch 14, cable connection busbar 13 are connect with current transformer 12, and current transformer 12 and one end of branch bar 10 connect
It connects, the static contact 11 in the other end connection contact box 5 of branch bar 10.
One end of branch bar 10 in bus-bar room A is connect with main bus-bar 7, the other end and the stationary contact 11 of the branch bar 10
Head connection.
Contact box 5 is equipped in bus-bar room A, cable vault B, two contact boxs 5 are individually fixed in bus-bar room A and switch gear room C
Between metal partion (metp), on the metal partion (metp) between cable vault B and switch gear room C, circuit breaker cart 6 passes through quiet in contact box 5
Contact 11 is connected with the branch bar 10 in bus-bar room A, cable vault B respectively.Main bus-bar 7 is square type busbar in bus-bar room A, according to
Current-carrying capacity size can be selected single or double joint busbar and connect composition, and the joint of main bus-bar 7 is equipped with busbar shiplap joint box 8.Main bus-bar 7
It is fixed on cabinet 1 by supporting insulator 9, one end of main bus-bar 7 is stretched by the bus casing 4 mounted on the sides bus-bar room A
Go out outside cabinet 1.
Contact box 5 is Integral three-phase structure, is injection moulded using mixture of epoxy resins.Supporting insulator 9 is to climb greatly
Away from insulator, creepage distance over the ground is increased.Bus casing 4 is interior pressure external shield type structure, the inner wall surface of bus casing 4
It is conductor, the inner wall surface of bus casing 4 is equipped with a lead, which connect with the busbar across bus casing 4.Busbar is taken
It is enclosed construction to connect box 8, can shield by the bolt of busbar junction, prevent point discharge phenomenon from generating.
Wherein, the structure of the contact box 5 of Integral three-phase is that have three inline wedge shapes exhausted in rectangular base
Metal insert is arranged at the bottom of edge box, each insulation booth, has full skirt on the outside of insulation booth, has vertically in one end close to metal insert
Channel.
The structure of the bus casing 4 of equal die mould is the tubular article that cross sectional shape is ellipse, and the inner wall surface of casing has one
Layer metal film, and have a lead；There is one layer of metal mesh in casing wall, by epoxy resin mixing material moulding by casting.
There are one rectangle mounting surfaces at the middle part of the tubular article of ellipse.
The supporting insulator 9 of large distance and common insulator shape are essentially the same, are exactly by increasing full skirt quantity, changing
The means such as height dimension make creepage distance larger.
Claims (7)
1. pressing voltage switchgear in one kind, which is characterized in that including cabinet (1), bus-bar room (A), electricity are divided into inside cabinet (1)
Cable room (B), switch gear room (C) and low pressure control room (D), totally 4 compartments, between each compartment by metal partion (metp) it is completely enclosed every
It opens；It is respectively provided with 1 pressure release passage (2), bus-bar room (A), cable vault at the top of bus-bar room (A), cable vault (B) and switch gear room (C)
(B) be equipped with contact box (5) in, two contact boxs (5) be individually fixed in the metal between bus-bar room (A) and switch gear room (C) every
On metal partion (metp) between plate, cable vault (B) and switch gear room (C), circuit breaker cart (6) passes through the static contact in contact box (5)
(11) it is connected respectively with the branch bar (10) in bus-bar room (A), cable vault (B), main bus-bar (7) is equipped in bus-bar room (A), it is main
The joint of busbar (7) is equipped with busbar shiplap joint box (8), and main bus-bar (7) is fixed on by supporting insulator (9) on cabinet (1), main
Cabinet (1) is stretched out outside in one end of busbar (7) by being mounted on the bus casing (4) of the side bus-bar room (A).
2. pressing voltage switchgear in one kind as described in claim 1, which is characterized in that is disposed in the cable vault (B)
Current transformer (12), earthing switch (14), cable connection busbar (13), earthing switch (14), cable connection busbar (13) are equal
It is connect with current transformer (12).
3. pressing voltage switchgear in one kind as described in claim 1, which is characterized in that described bus-bar room (A) the interior main bus-bar
(7) it is square type busbar, main bus-bar (7) is single or double joint busbar according to current-carrying capacity size and connects composition.
4. pressing voltage switchgear in one kind as described in claim 1, which is characterized in that the contact box (5) is three-phase one
Body formula structure, supporting insulator (9) are large distance insulator, and busbar shiplap joint box (8) is enclosed construction.
5. pressing voltage switchgear in one kind as described in claim 1, which is characterized in that the bus casing (4) is interior equal
External shield type structure is pressed, the inner wall surface of bus casing (4) is conductor, and the inner wall surface of bus casing (4) is equipped with a lead,
The lead is connect with the busbar across bus casing (4).
6. pressing voltage switchgear in one kind as described in claim 1, which is characterized in that on each pressure release passage (2)
It is both provided with pressure release cover board (3).
7. pressing voltage switchgear in one kind as claimed in claim 6, which is characterized in that the pressure release cover board (3) is overturning
Formula pressure release cover board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820284627.8U CN208015209U (en) | 2018-02-28 | 2018-02-28 | Voltage switchgear is pressed in one kind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820284627.8U CN208015209U (en) | 2018-02-28 | 2018-02-28 | Voltage switchgear is pressed in one kind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208015209U true CN208015209U (en) | 2018-10-26 |
Family
ID=63886991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820284627.8U Active CN208015209U (en) | 2018-02-28 | 2018-02-28 | Voltage switchgear is pressed in one kind |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208015209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022110098A1 (en) * | 2020-11-26 | 2022-06-02 | 吴江变压器有限公司 | Miniaturized module-integrated 400 v low-voltage switch cabinet |
-
2018
- 2018-02-28 CN CN201820284627.8U patent/CN208015209U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022110098A1 (en) * | 2020-11-26 | 2022-06-02 | 吴江变压器有限公司 | Miniaturized module-integrated 400 v low-voltage switch cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105514817A (en) | Main loop of solid insulation cabinet and solid insulation cabinet using same | |
| CN208015209U (en) | Voltage switchgear is pressed in one kind | |
| CN202019159U (en) | Intellectualized solid sealing insulation fixed type high-voltage switch cabinet | |
| CN201616588U (en) | High-tension switch cabinet with high insulating property | |
| CN202050184U (en) | Inflating type high-voltage modularized vacuum circuit breaker cabinet | |
| CN204376293U (en) | A kind of solid insulation switch module for solid-state insulated switchgear | |
| CN102227059A (en) | Intelligent solid closed insulating fixed-type high voltage switchgear | |
| CN202268608U (en) | Solid seal full-vacuum switching device | |
| CN202917885U (en) | A steel-clad movable AC switch cabinet | |
| CN201797234U (en) | Small-sized vacuum ring main unit | |
| CN106571264A (en) | Solid-insulated circuit breaker | |
| CN101211690B (en) | +/-500kV direct current mutual inductor | |
| CN102360986A (en) | Sealed full vacuum switching device | |
| CN205195065U (en) | Novel miniaturized integrated cubical switchboard that opens circuit | |
| CN109768490A (en) | Normal pressure environment protection air switch cabinet | |
| CN103840380A (en) | PT2 type power distribution station | |
| CN204696521U (en) | A kind of preassembled transformer station | |
| CN108288560A (en) | The insulated leg of direct-acting three-working-position isolation major loop | |
| CN211351454U (en) | Lead screw feeding device of switch cabinet electric chassis vehicle | |
| CN104064962B (en) | Modularization high-pressure metal sealing switch equipment contact box | |
| CN206506217U (en) | A kind of curved formula sleeve pipe | |
| CN204067178U (en) | A kind of intelligent switch with series connection double-fracture | |
| CN210723712U (en) | Full-insulated bus type 40.5kV miniaturized switch cabinet | |
| CN203813217U (en) | Improved PT1 type power distribution station | |
| CN214069113U (en) | Miniaturized power distribution device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220615 Address after: 314004 plant 6, No. 379, Ziyu Road, Daqiao Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Zhengtai Electric Technology Co.,Ltd. Address before: 3555 Sixian Road, Songjiang District, Shanghai 201600 Patentee before: Chint Electric Co.,Ltd. |
|
| TR01 | Transfer of patent right |