CN209592642U - A kind of switchgear and its top arcing channel opening structure - Google Patents
A kind of switchgear and its top arcing channel opening structure Download PDFInfo
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- CN209592642U CN209592642U CN201920075382.2U CN201920075382U CN209592642U CN 209592642 U CN209592642 U CN 209592642U CN 201920075382 U CN201920075382 U CN 201920075382U CN 209592642 U CN209592642 U CN 209592642U
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- 238000013461 design Methods 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 claims description 5
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- 230000006378 damage Effects 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 13
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
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- 238000010891 electric arc Methods 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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Abstract
The utility model discloses a kind of switchgear and its top arcing channel opening structure, arcing channel opening structure includes breaker chamber arcing channel, the bus-bar room arcing channel being installed at the top of bus-bar room and the cable vault arcing channel being installed at the top of cable vault being installed at the top of breaker chamber at the top of the switchgear；The breaker chamber arcing channel roof is equipped with breaker chamber arcing channel pressure relief plate, and the bus-bar room arcing channel roof is equipped with bus-bar room arcing channel pressure relief plate, and cable vault's arcing channel roof is equipped with cable vault's arcing channel pressure relief plate；When arcing occurs for cable vault, arcing energy can be on the pressure release door-plate along arcing channel impulse to arcing channel, to which the plastic bolt on door-plate is opened to impact, and the opening state of four doors is at " pyramid " shape, arcing energy can be controlled eruption upwards by being somebody's turn to do " pyramid " shape door, without erupting around, the damage for avoiding arcing energy to indicating equipment in indicator can be fallen by avoiding arcing.
Description
Technical field
The utility model belongs to medium voltage electricity transformation and distribution system technical field, in particular to a kind of switchgear and its top combustion
Arc channel opening structure.
Background technique
Metal switch cabinet is the important component in electric system, main function be generated electricity in electric system,
During transmission of electricity, distribution and electric energy are converted, electrical equipment is opened and closed, controlled and protected.Component in switchgear mainly has
The composition such as breaker, disconnecting switch, on-load switch, operating mechanism, mutual inductor and various protective devices.
Wherein, the open arcing test of switchgear is a kind of its indispensable test for entering market, and is fired in arcing experiment
The design in arc channel be arcing test can by key point.The arcing channel of the prior art is usually at the top of switchgear
Pressure relief plate is set, however pressure relief plate structure has no special construction design and directly goes out from pressure relief plate, arcing energy when arcing occurs
Amount is erupted around, may cause equipment and the injury of surrounding people, the failure for causing arcing to test.
The utility model passes through switchgear smoothly by the arcing channel opening structure at the top of design switchgear
Arcing test.
Utility model content
In view of the deficienciess of the prior art, the utility model provides a kind of switchgear and its top arcing channel is opened the door knot
Structure increases the probability passed through when arcing test by the direction of the enabling in increase arcing channel；It realizes and arcing energy is carried out
Guiding role avoids damage of the arcing energy to personnel and equipment；It solves the enabling of prior art arcing channel and designs unreasonable, combustion
The defect problem that arc discharges around.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of switchgear top arcing channel opening structure, the top of the switchgear is followed successively by breaker from left to right
Room, bus-bar room, cable vault, switchgear top arcing channel opening structure includes the breaker being installed at the top of breaker chamber
Room arcing channel, the bus-bar room arcing channel being installed at the top of bus-bar room and the cable vault's arcing being installed at the top of cable vault are logical
Road；
The breaker chamber arcing channel roof is equipped with breaker chamber arcing channel pressure relief plate, bus-bar room arcing channel
Top is equipped with bus-bar room arcing channel pressure relief plate, and cable vault's arcing channel roof is equipped with cable vault's arcing channel pressure relief plate；
Breaker chamber arcing channel pressure relief plate left end is fixedly connected with breaker chamber arcing channel by metal bolts,
Right end is fixed by plastic bolt；Bus-bar room arcing channel pressure relief plate includes a pair of vertically arranged door panel structure, and
The both ends of the surface in outside are fixed with bus-bar room arcing channel by metal bolts, and inside and bus-bar room arcing channel pass through plastic bolt
It is fixed；Cable vault's arcing channel pressure relief plate right end is fixedly connected with cable vault arcing channel by metal bolts, left end is logical
Plastic bolt is crossed to fix.
The invention also discloses a kind of switchgears, including low-pressure chamber, breaker chamber, maintenance room, small bus-bar room, bus
Room, cable vault, aerial inlet wire rear secondary cabinet further include arcing channel opening structure at the top of switchgear above-mentioned.
Further, arcing channel A is equipped in the aerial inlet wire rear secondary cabinet, cable vault bottom is connected to arcing channel A.
Further, the switchgear further includes inside switch cabinet arcing channel design, the inside switch cabinet arcing
Channel design includes the unidirectionally controlled component being installed between bus-bar room and cable vault, and the unidirectionally controlled component is installed on bus
On the partition of room, when arcing occurs in cable vault, the unidirectionally controlled component is opened, and bus-bar room is connected to cable vault, constitutes arcing
Channel B, the indoor arcing energy of cable are released by arcing channel A and arcing channel B.
Further, the unidirectionally controlled component includes one group of pressure relief plate installed laterally side by side, on the outside of each pressure relief plate
It is fixedly installed on bus-bar room partition by metal bolts, inside is fixedly installed on bus-bar room partition by plastic bolt.
Compared with prior art, the utility model advantage is:
Increase the probability passed through when arcing test by the direction of the enabling in increase arcing channel；
Arcing energy is oriented to, when arcing occurs for cable vault, arcing energy can be along arcing channel impulse to arcing
On the pressure release door-plate in channel, so that the plastic bolt on door-plate is opened to impact, and the opening state of four doors is at " pyramid "
Shape, arcing energy can be controlled eruption upwards by being somebody's turn to do " pyramid " shape door, and without erupting around, avoiding arcing can be fallen
Indicator avoids damage of the arcing energy to indicating equipment；
While the inside switch cabinet arcing channel design of the utility model makes it meet arcing test, and it can satisfy cabinet
Protection level requirements between each compartment in internal portion.
This kind of arcing channel reaches the recycling of resource, has achieved the functions such as arcing channel, degree of protection baffle
The effect being integrated in one.
Detailed description of the invention
Fig. 1 is the switchgear layout drawing of the utility model；
Fig. 2 is the top view of switchgear；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is the arcing channel door-plate opening state X-Y scheme at the top of switchgear；
Fig. 5 is the arcing channel door-plate opening state X-Y scheme at the top of switchgear；
Fig. 6 is the unidirectionally controlled component scheme of installation of inside switch cabinet；
Fig. 7 is the unidirectionally controlled component opening state schematic diagram of inside switch cabinet.
In figure, 1. low-pressure chambers, 2. breaker chambers, 3. maintenance rooms, 4. small busbar channels, 5. breaker chamber arcing channels, 6.
Bus-bar room arcing channel, 7. cable vault arcing channels, 8. bus-bar rooms, 9. aerial inlet wire rear secondary cabinets, 10. cable vaults, 11. unidirectional controls
Component processed；11-1. pressure relief plate；11-2. metal bolts；11-3. plastic bolt；12. bus-bar room partition；13. breaker chamber arcing
Channel pressure relief plate；14. bus-bar room arcing channel pressure relief plate；15. cable vault arcing channel pressure relief plate；16. top doors sheetmetal spiral shell
Bolt；17. top door-plate plastic bolt.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further described the utility model.
As shown in Figure 1, the present embodiment discloses a kind of switchgear, including low-pressure chamber 1, breaker chamber 2, maintenance room 3, small bus
Room 4, bus-bar room 8, aerial inlet wire rear secondary cabinet 9 and cable vault 10, the top of switchgear are followed successively by breaker chamber 2, mother from left to right
Line room 8, cable vault 10, the aerial inlet wire rear secondary cabinet 9 on rear side of switchgear are equipped with arcing channel A, 10 bottom of cable vault and arcing
Channel A connection；Each compartment of switchgear and arcing channel A's is designed as existing design, is no longer described in detail herein.
The present embodiment is preferably to realize to the guiding role of arcing energy, and arcing energy is avoided to erupt around,
A kind of novel arcing channel opening structure of switchgear top design.
As shown in connection with fig. 2, arcing channel opening structure at the top of switchgear, the open circuit including being installed on 2 top of breaker chamber
Device room arcing channel 5, the bus-bar room arcing channel 6 for being installed on 8 top of bus-bar room and the cable vault for being installed on 10 top of cable vault
Arcing channel 7.By 7 heightening design of breaker chamber arcing channel 5, bus-bar room arcing channel 6 and cable vault arcing channel, increase combustion
The space in arc channel.
Breaker chamber arcing channel pressure relief plate 13,6 top of bus-bar room arcing channel are equipped at the top of breaker chamber arcing channel 5
Equipped with bus-bar room arcing channel pressure relief plate 14, cable vault's arcing channel pressure relief plate 15 is equipped at the top of cable vault arcing channel 7；
As shown in Figures 2 and 3,13 left end of breaker chamber arcing channel pressure relief plate and breaker chamber arcing channel 5 pass through top
Department's sheetmetal bolt 16 is fixedly connected, right end is fixed by top door-plate plastic bolt 17.Bus-bar room arcing channel pressure relief plate
14 include a pair of vertically arranged door panel structure, and the both ends of the surface in outside and bus-bar room arcing channel 6 pass through top doors sheet metal
It is fixed to belong to bolt 16, inside and bus-bar room arcing channel 6 are fixed by top door-plate plastic bolt 17.Cable vault is let out in arcing channel
15 right end of pressing plate is fixedly connected with cable vault arcing channel 7 by top doors sheetmetal bolt 16, left end is moulded by top door-plate
Expect that bolt 17 is fixed.
As shown in Figures 4 and 5, cabinet top cover 18 and cabinet top cover are equipped in breaker chamber arcing channel 5 and cable vault arcing channel 7
20, bus-bar room arcing channel 6 is interior to be equipped with the cabinet top cover 19 with arcing baffle.
When no arcing occurs, breaker chamber arcing channel 5, bus-bar room arcing channel 6 and cable vault arcing channel 7 are let out
Pressing plate can be fixed on solid with plastic bolt under the effect of gravity and on the edge of opening direction, be in door
Closed state, in this state, so that it may guarantee the protection level requirements of switchgear.
When arcing occurs, arcing energy can be on the switch gate along arcing channel impulse to arcing channel, breaker chamber
Plastic bolt quilt on arcing channel pressure relief plate 13, bus-bar room arcing channel pressure relief plate 14 and cable vault arcing channel pressure relief plate 15
Moment melts, and breaker chamber arcing channel pressure relief plate 13 and cable vault arcing channel pressure relief plate 15 turn down forward and backward, and
Only have the connection of 3 sections of 1mm among two door-plates of bus-bar room arcing channel pressure relief plate 14, is blown by arcing moment, to top or so
Fold, the opening state of four doors form four openings, comprehensive " the golden word for preventing from altering outside arcing at " pyramid " shape
Tower " shape lets out arc channel.And arcing energy can be controlled eruption upwards by being somebody's turn to do " pyramid " shape door, without erupting around.Therefore
Arcing type approval test avoid arcing can fall indicator (according to arcing test regulation, indicator, which can be put into, to be tested
At the surrounding 300mm of cabinet body) on to make the danger of test failure, guarantee passing through for arcing test.
As shown in Figure 6 and Figure 7, switchgear further includes inside switch cabinet arcing channel design, the inside switch cabinet arcing
Channel design includes the unidirectionally controlled component 11 being installed between bus-bar room 8 and cable vault 10, and the unidirectionally controlled component 11 is pacified
Loaded on bus-bar room partition 12.Specific design is that unidirectionally controlled component 11 includes one group of pressure relief plate 11- installed laterally side by side
It is fixedly installed on bus-bar room partition 12 on the outside of 1, each pressure relief plate 11-1 by metal bolts 11-2, inside passes through plastic bolt
11-3 is fixedly installed on bus-bar room partition 12.
10 bottom of cable vault is connected to maintenance room 3 and arcing channel A respectively, and 10 top of cable vault is connected to arcing channel A,
When arcing occurs in cable vault, when no arcing occurs, unidirectionally controlled component 11 is in close state, in this state, can
To ensure the protection level requirements between bus-bar room and cable vault.
When arcing occurs for cable vault, since unidirectionally controlled component 11 is between bus-bar room 8 and cable vault 10, arcing energy
Amount can impact the pressure relief plate 11-1 of unidirectionally controlled component 11 to which one way component is opened, and bus-bar room 8 is connected to cable vault 10,
Constitute arcing channel B.A portion arcing energy will flow up in this way, by arcing channel B, eventually by bus-bar room
The breaker chamber arcing channel pressure relief plate 14 in arcing channel 6 releases；A part of arcing energy passes through arcing channel A, eventually by
The cable vault arcing channel pressure relief plate 15 in cable vault arcing channel 7 releases, and arcing energy flows to shown in the arrow in visible Fig. 1.
The shunting function to arcing energy is finally realized, the percussion of arcing energy is reduced；If being not provided with this component, combustion
Arc is only along a channel (arcing channel A) pressure release, passway path length, can switch cabinet door and side plate generate powerful impact force and
Burn, so that arcing sprays from door and scaling loss switch cabinet side panel, the failure for causing arcing to test.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above, this
The those of ordinary skill of technical field, in the essential scope of the utility model, the variations, modifications, additions or substitutions made, all
It should belong to the protection scope of the utility model.
Claims (5)
1. arcing channel opening structure at the top of a kind of switchgear, the top of the switchgear be followed successively by from left to right breaker chamber,
Bus-bar room, cable vault, it is characterised in that: arcing channel opening structure includes being installed at the top of breaker chamber at the top of the switchgear
Breaker chamber arcing channel, the bus-bar room arcing channel being installed at the top of bus-bar room and the cable vault being installed at the top of cable vault
Arcing channel；
The breaker chamber arcing channel roof is equipped with breaker chamber arcing channel pressure relief plate, the bus-bar room arcing channel roof
Equipped with bus-bar room arcing channel pressure relief plate, cable vault's arcing channel roof is equipped with cable vault's arcing channel pressure relief plate；
Breaker chamber arcing channel pressure relief plate left end is fixedly connected with breaker chamber arcing channel by metal bolts, right end
It is fixed by plastic bolt；Bus-bar room arcing channel pressure relief plate includes a pair of vertically arranged door panel structure, and outside
Both ends of the surface fixed with bus-bar room arcing channel by metal bolts, inside and bus-bar room arcing channel are solid by plastic bolt
It is fixed；Cable vault's arcing channel pressure relief plate right end is fixedly connected with cable vault arcing channel by metal bolts, left end passes through
Plastic bolt is fixed.
2. after a kind of switchgear, including low-pressure chamber, breaker chamber, maintenance room, small bus-bar room, bus-bar room, cable vault, aerial inlet wire
Auxiliary cabinet, it is characterised in that: further include arcing channel opening structure at the top of switchgear described in claim 1.
3. switchgear according to claim 2, it is characterised in that: arcing channel A is equipped in the aerial inlet wire rear secondary cabinet,
Cable vault bottom is connected to arcing channel A.
4. switchgear according to claim 3, it is characterised in that: it further include inside switch cabinet arcing channel design, it is described
Inside switch cabinet arcing channel design includes the unidirectionally controlled component being installed between bus-bar room and cable vault, described unidirectionally controlled
Component is installed on bus-bar room partition, and when arcing occurs in cable vault, the unidirectionally controlled component is opened, bus-bar room and cable vault
Connection, constitutes arcing channel B, and the indoor arcing energy of cable is released by arcing channel A and arcing channel B.
5. switchgear according to claim 4, it is characterised in that: the unidirectionally controlled component includes one group pacifies laterally side by side
The pressure relief plate of dress, each pressure relief plate outside are fixedly installed on bus-bar room partition by metal bolts, and inside passes through plastic bolt
It is fixedly installed on bus-bar room partition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920075382.2U CN209592642U (en) | 2019-01-17 | 2019-01-17 | A kind of switchgear and its top arcing channel opening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920075382.2U CN209592642U (en) | 2019-01-17 | 2019-01-17 | A kind of switchgear and its top arcing channel opening structure |
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| Publication Number | Publication Date |
|---|---|
| CN209592642U true CN209592642U (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920075382.2U Active CN209592642U (en) | 2019-01-17 | 2019-01-17 | A kind of switchgear and its top arcing channel opening structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112787261A (en) * | 2020-12-29 | 2021-05-11 | 陕西宝光集团有限公司 | Circuit breaker room pressure relief device and cubical switchboard |
| CN113097891A (en) * | 2019-12-23 | 2021-07-09 | 河南森源电气股份有限公司 | Switch cabinet |
-
2019
- 2019-01-17 CN CN201920075382.2U patent/CN209592642U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113097891A (en) * | 2019-12-23 | 2021-07-09 | 河南森源电气股份有限公司 | Switch cabinet |
| CN112787261A (en) * | 2020-12-29 | 2021-05-11 | 陕西宝光集团有限公司 | Circuit breaker room pressure relief device and cubical switchboard |
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