CN208623224U - A kind of 12kV assembled switchgear - Google Patents
A kind of 12kV assembled switchgear Download PDFInfo
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- CN208623224U CN208623224U CN201821295338.4U CN201821295338U CN208623224U CN 208623224 U CN208623224 U CN 208623224U CN 201821295338 U CN201821295338 U CN 201821295338U CN 208623224 U CN208623224 U CN 208623224U
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- 238000007789 sealing Methods 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000010891 electric arc Methods 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000004806 packaging method and process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a kind of 12kV assembled switchgear, including closed cabinet body, the left end of cabinet body offers front door, and right end is provided with back plate；The inside of cabinet body is control room, handcart room, bus-bar room, cable vault by divides；Cable vault is set to the right side lower end of cabinet body, and the upper end of cable vault is provided with bus-bar room；The left of bus-bar room is provided with control room, and the lower end of control room is provided with handcart room；Handcart room, bus-bar room, cable vault are provided with pressure release passage；Handcart room, bus-bar room, cable vault upper end be provided with pressure release cover board；The major electrical components of the utility model have independent compartment, and main bus-bar and branch bar are all insulation state, improve the field distribution in switchgear；When inside switch cabinet failure electric arc, bus casing can be effectively limited in compartment accident without spreading to other compartments；When inside switch cabinet air pressure increases, pressure release cover board, which is opened, to be released stress and high-temperature gas, the safety high reliablity of switchgear.
Description
Technical field
The utility model relates to a kind of switchgear more particularly to a kind of 12kV assembled switchgears.
Background technique
Switchgear is a kind of electrical equipment, be mainly used for power plant, power transformation in one's power the electric system such as industrial and mining enterprises receive and
It distributes electric energy and control, protection and monitoring is carried out to circuit.With China's rapid development of economy, urbanization process is accelerated, city
Quickly, load density is larger for city's power load increase, and dilatation is badly in need of in many urban substations, improves power distribution system voltage grade
Demand also highlights；The security performance of controller switching equipment is paid attention to further currently on the market, national grid technical requirements are special
It is that " the great anti-accident measures of new 18 power grids of State Grid Corporation of China " also propose new security performance requirement to switchgear.At present
Existing traditional switchgear is not suitable for the power grid complicated, and safety and reliability cannot be guaranteed, and does not meet country
The technical requirements of power grid need a kind of highly-safe, high reliablity switchgear in the market.
Utility model content
In order to solve shortcoming present in above-mentioned technology, the utility model provides a kind of 12kV assembled switch
Cabinet.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of 12kV assembled switchgear,
Including closed cabinet body, the left end of cabinet body offers front door, and right end is provided with back plate；The inside of cabinet body is instrument by divides
Table room, handcart room, bus-bar room, cable vault；Cable vault is set to the right side lower end of cabinet body, and the upper end of cable vault is provided with bus
Room；The left of bus-bar room is provided with control room, and the lower end of control room is provided with handcart room；Control room, handcart room, bus-bar room, electricity
Ground connection is isolated in cable room, and handcart room, bus-bar room, cable vault are provided with pressure release passage；Handcart room, bus-bar room, cable vault it is upper
End is provided with pressure release cover board；
Handcart room includes handcart, breaker, handcart guide rail；Handcart guide rail is respectively arranged at the interior forward end, interior of handcart room
Portion rear end；The upper end of handcart guide rail is provided with handcart, and the upper end of handcart is provided with breaker；Under the front side lower end of handcart, rear side
End is provided with idler wheel, and idler wheel links together handcart and handcart guide rail；The left end of handcart room offers middle door, and right end is to the right
It has been provided projectingly stationary contact head cartridge；Stationary contact head cartridge is internally provided with static contact；The left end of stationary contact head cartridge is provided with stationary contact head cartridge partition；
Handcart room is connected by secondary plug with control room；The upper end of control room is provided with the small bus of cabinet top；
The rear end of bus-bar room is provided with vertical sealing plate, is provided with main bus-bar on sealing plate；Main bus-bar be it is multiple, main bus-bar it
Between equally arrange；Multiple main bus-bars send out a branch bar, and a plurality of branch bar collects rear and stationary contact head cartridge
Input terminal be connected；Plastic packaging has insulating sleeve outside main bus-bar, branch bar；Bus sheath is provided on the outside of main bus-bar
Pipe；
Cable vault includes earthing switch, current transformer；Current transformer by branch bar respectively with stationary contact head cartridge
Output end, earthing switch, cable are connected；The lower end of cable vault is provided with detachable bottom plate.
Heating moisture separator is provided with inside handcart room, cable vault.
Front door is disposed with control room's door, middle door, Xiamen from top to bottom；Control room's door, middle door are provided on Xiamen
Bolt-type lock.
Control room's panel is provided on control room's door；Observation window is provided on middle door, Xiamen.
Back plate is disposed with rear upper sealing plate, rear Xiamen from top to bottom；Observation window is provided on Xiamen afterwards.
Control room's door, Xiamen, is provided with sealing ring on rear Xiamen at middle door.
The inside arcing protection level of the switchgear of the utility model is AFLR grades, and security performance is high；Inside switch cabinet
Major electrical components have independent compartment, and main bus-bar and branch bar are all insulation state, improve the electric field in switchgear
Distribution；When inside switch cabinet failure electric arc, bus casing can effectively accident be limited in compartment without to other
Compartment sprawling；When inside switch cabinet air pressure increases, pressure release cover board, which is opened, to be released stress and high-temperature gas, the safety of switchgear
High reliablity.
Detailed description of the invention
Fig. 1 is the overall structure diagrammatic cross-section of the utility model.
Fig. 2 is the structural schematic diagram at front door.
Fig. 3 is the structural schematic diagram of back plate.
In figure: 1, front door；2, back plate；3, pressure release cover board；4, handcart；5, breaker；6, middle door；7, stationary contact head cartridge；8, quiet
Contact box partition；9, secondary plug；10, sealing plate；11, main bus-bar；12, branch bar；13, bus casing；14, earthing switch；
15, current transformer；16, control room's door；17, Xiamen；18, bolt-type latches；19, observation window；20, rear upper sealing plate；21, under rear
Door；A, control room；B, handcart room；C, bus-bar room；D, cable vault.
Specific embodiment
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
12kV assembled switchgear is a kind of three-phase alternating current 50Hz, voltage rating be the indoor electric system of 40.5kV at
Covering device, being mainly used for power plant, power transformation, the electric system such as industrial and mining enterprises receive and distribute electric energy and carry out circuit to control in one's power
System, protection and monitoring.The inside arcing protection level (IAC) of 12kV assembled switchgear is AFLR grades, the internal arcing time
0.5s, rated short circuit drop-out current 31.5kA, security performance is high, meets the theme of Electrical Safety instantly, has good market
Prospect.
As shown in Figure 1, a kind of 12kV assembled switchgear, including closed cabinet body, the left end of cabinet body offer front door 1,
Right end is provided with back plate 2；The inside of cabinet body is control room A, handcart room B, bus-bar room C, cable vault D by divides；Cable
Room D is set to the right side lower end of cabinet body, and the upper end of cable vault D is provided with bus-bar room C；The left of bus-bar room C is provided with control room
A, the lower end of control room A are provided with handcart room B；Front door 1, back plate 2 and control room A, handcart room B, bus-bar room C, cable vault D dress
It fits over and is formed together switchgear.
Ground connection is isolated in control room A, handcart room B, bus-bar room C, cable vault D, and handcart room B, bus-bar room C, cable vault D are all provided with
It is equipped with pressure release passage；Handcart room B, bus-bar room C, cable vault D upper end be provided with pressure release cover board 3；When inside switch cabinet occurs
When fault electric arc, the air pressure of inside switch cabinet is increased, and pressure release cover board, which is opened, to be released stress and high-temperature gas, the safety of switchgear
Property high reliablity.
Handcart room B includes handcart 4, breaker 5, handcart guide rail；Before handcart guide rail is respectively arranged at the inside of handcart room B
End, Internal back end；The upper end of handcart guide rail is provided with handcart 4, and the upper end of handcart 4 is provided with breaker 5；Under the front side of handcart 4
End, rear side lower end are provided with idler wheel, and idler wheel links together handcart 4 with handcart guide rail；Handcart 4 is along handcart guide rail from opening
It closes and is pulled out in cabinet, to be overhauled or to be replaced；The left end of handcart room B offers middle door 6, and right end has been provided projectingly to the right stationary contact
Head cartridge 7；Stationary contact head cartridge 7 is internally provided with static contact；The left end of stationary contact head cartridge 7 is provided with stationary contact head cartridge partition 8；Handcart is from test
During position is moved to operating position, stationary contact head cartridge partition is automatically opened；Handcart is moved to testing position from operating position
During, stationary contact head cartridge partition is automatically closed, and ensure that being effectively isolated between compartment, has ensured that user does not touch electrical body；
Handcart room B is connected by secondary plug 9 with control room A；The upper end of control room A is provided with the small bus of cabinet top；
The rear end of bus-bar room C is provided with vertical sealing plate 10, is provided with main bus-bar 11 on sealing plate 10；Main bus-bar 11 is more
It is a, it is equally arranged between main bus-bar；Multiple main bus-bars send out a branch bar 12, and a plurality of branch bar collects
It is connected afterwards with the input terminal of stationary contact head cartridge 7；Main bus-bar 11, branch bar 12 carry out plastic packaging with insulating sleeve, have reached complete
State of insulation improves the field distribution in switchgear；The outside of main bus-bar 11 is provided with bus casing 13, for supporting, admittedly
Determine main bus-bar, and main bus-bar is made to insulate cabinet body；When inside switch cabinet failure electric arc, bus casing can be effectively thing
Therefore it is limited in compartment without being spread to other compartments；
Cable vault D includes earthing switch 14, current transformer 15；Current transformer 15 by branch bar respectively with stationary contact
Output end, earthing switch 14, the cable of head cartridge 7 are connected；The lower end of cable vault D is provided with detachable bottom plate, and scene is facilitated to apply
The progress of work, and prevent toy access switch cabinet.
It is provided with heating moisture separator inside handcart room B, cable vault D, the weather ring for preventing from changing greatly in humidity
Condensation is generated in border and brings danger, and cabinet body is protected not to be corroded.
As shown in Fig. 2, front door 1 is disposed with control room door 16, middle door 17, Xiamen 18 from top to bottom；Control room's door 16,
Be provided on middle door 17, Xiamen 18 bolt-type lock 19, bolt-type latch 19 simple installations, it is easy to use, safe, secured,
Vibration proof, tightness are strong, are more easier to operate than traditional knob lock, user's operation is light freely.
It is provided with control room's panel on control room's door 16, microcomputer protecting device, operation are disposed on control room's panel
Switch, instrument, status displays.It is provided with observation window 20 on middle door 17, Xiamen 18, observation window is by with sufficient mechanical strength
Fire resisting transparent material be made, can easily observe the division state and handcart position of breaker.As shown in figure 3, back plate 2 from
Top to bottm is disposed with rear upper sealing plate 20, rear Xiamen 21；It is provided with observation window on Xiamen 21 afterwards, ground connection can be easily observed and open
The division state of pass.
Control room's door 16, Xiamen 17, is provided with sealing ring on rear Xiamen 21 at middle door 6, guarantees the leakproofness of switchgear,
Pressure release cover board is opened to release stress and high-temperature gas when inside switch cabinet air pressure increases.
The utility model compared with prior art, has the advantage that
1) inside switch cabinet arcing protection level reaches AFLR grades, internal arcing time 0.5s, rated short circuit drop-out current
31.5kA, security performance are high；
2) major electrical components of inside switch cabinet have independent compartment, and accident is effectively prevent to spread；
3) when inside switch cabinet failure electric arc, bus casing can effectively accident be limited in compartment without to
The sprawling of other compartments；
4) main bus-bar and branch bar carry out plastic packaging with insulating sleeve, have reached all insulation state, improve in switchgear
Field distribution；
5) when inside switch cabinet air pressure increases, pressure release cover board, which is opened, to be released stress and high-temperature gas, the safety of switchgear
Property high reliablity.
Above embodiment is not limitations of the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made within the scope of the technical solution of the utility model,
Also the protection scope of the utility model is belonged to.
Claims (6)
1. a kind of 12kV assembled switchgear, including closed cabinet body, it is characterised in that: the left end of the cabinet body offers front door
(1), right end is provided with back plate (2)；The inside of the cabinet body is control room (A), handcart room (B), bus-bar room by divides
(C), cable vault (D)；The cable vault (D) is set to the right side lower end of cabinet body, and the upper end of cable vault (D) is provided with bus-bar room
(C)；The left of the bus-bar room (C) is provided with control room (A), and the lower end of control room (A) is provided with handcart room (B)；The instrument
Ground connection, handcart room (B), bus-bar room (C), cable vault (D) is isolated in table room (A), handcart room (B), bus-bar room (C), cable vault (D)
It is provided with pressure release passage；The handcart room (B), bus-bar room (C), cable vault (D) upper end be provided with pressure release cover board (3)；
The handcart room (B) includes handcart (4), breaker (5), handcart guide rail；The handcart guide rail is respectively arranged at handcart room
(B) interior forward end, Internal back end；The upper end of the handcart guide rail is provided with handcart (4), and the upper end of handcart (4) is provided with disconnected
Road device (5)；Front side lower end, the rear side lower end of the handcart (4) are provided with idler wheel, and idler wheel connects handcart (4) and handcart guide rail
It is connected together；The left end of the handcart room (B) offers middle door (6), and right end has been provided projectingly to the right stationary contact head cartridge (7)；It is described
Stationary contact head cartridge (7) is internally provided with static contact；The left end of the stationary contact head cartridge (7) is provided with stationary contact head cartridge partition (8)；The hand
Car room (B) is connected by secondary plug (9) with control room (A)；The upper end of the control room (A) is provided with the small bus of cabinet top；
The rear end of the bus-bar room (C) is provided with vertical sealing plate (10), and main bus-bar (11) are provided on sealing plate (10)；The master
Bus (11) be it is multiple, equally arranged between main bus-bar；Multiple main bus-bars send out a branch bar (12), more
Branch bar is connected after collecting with the input terminal of stationary contact head cartridge (7)；The main bus-bar (11), branch bar (12) are moulded outside
Envelope has insulating sleeve；Bus casing (13) are provided on the outside of the main bus-bar (11)；
The cable vault (D) includes earthing switch (14), current transformer (15)；The current transformer (15) passes through branch mother
Line is connected with the output end of stationary contact head cartridge (7), earthing switch (14), cable respectively；The lower end of the cable vault (D) is provided with
Detachable bottom plate.
2. 12kV assembled switchgear according to claim 1, it is characterised in that: the handcart room (B), cable vault (D)
Inside is provided with heating moisture separator.
3. 12kV assembled switchgear according to claim 1, it is characterised in that: the front door (1) is from top to bottom successively
It is provided with control room door (16), middle door (6), Xiamen (17)；Control room's door (16), middle door (6), Xiamen are respectively provided on (17)
There is bolt-type to latch (18).
4. 12kV assembled switchgear according to claim 3, it is characterised in that: be provided on control room's door (16)
Control room's panel；Observation window (19) are provided on the middle door (6), Xiamen (17).
5. 12kV assembled switchgear according to claim 4, it is characterised in that: the back plate (2) is from top to bottom successively
It is provided with rear upper sealing plate (20), rear Xiamen (21)；Observation window is provided on Xiamen (21) after described.
6. 12kV assembled switchgear according to claim 5, it is characterised in that: control room's door (16), middle door
(6), Xiamen (17), rear Xiamen are provided with sealing ring on (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821295338.4U CN208623224U (en) | 2018-08-10 | 2018-08-10 | A kind of 12kV assembled switchgear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821295338.4U CN208623224U (en) | 2018-08-10 | 2018-08-10 | A kind of 12kV assembled switchgear |
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| Publication Number | Publication Date |
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| CN208623224U true CN208623224U (en) | 2019-03-19 |
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| CN201821295338.4U Active CN208623224U (en) | 2018-08-10 | 2018-08-10 | A kind of 12kV assembled switchgear |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767727A (en) * | 2018-08-10 | 2018-11-06 | 南通阿斯通电器制造有限公司 | A kind of 12kV assembleds switchgear |
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2018
- 2018-08-10 CN CN201821295338.4U patent/CN208623224U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767727A (en) * | 2018-08-10 | 2018-11-06 | 南通阿斯通电器制造有限公司 | A kind of 12kV assembleds switchgear |
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