CN105938995A - Switchgear capable of effectively preventing burning arc leakage accidents - Google Patents
Switchgear capable of effectively preventing burning arc leakage accidents Download PDFInfo
- Publication number
- CN105938995A CN105938995A CN201610481712.9A CN201610481712A CN105938995A CN 105938995 A CN105938995 A CN 105938995A CN 201610481712 A CN201610481712 A CN 201610481712A CN 105938995 A CN105938995 A CN 105938995A
- Authority
- CN
- China
- Prior art keywords
- switchgear
- air channel
- air
- arcing
- cover plate
- 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
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
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
-
- 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
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention provides a switchgear capable of effectively preventing burning arc leakage accidents. The switchgear is internally provided with an air passage; a draught fan is arranged on the air passage; an air inlet and/or an exhaust port of the air passage are/is arranged on the switchgear; and the air inlet and the exhaust port are provided with a burning arc leakage prevention device. According to the switchgear capable of effectively preventing burning arc leakage accidents provided by the invention, when burning arc accidents occur, the burning arc leakage prevention devices are automatically closed under the effect of high-pressure burning arc gas, and then ventilation holes formed when the air passage is designed are indirectly closed, so that the burning arc leakage accidents can be effectively prevented, and the personnel safety is guaranteed.
Description
Technical field
The present invention relates to a kind of high voltage AC metal enclosed switch cabinet that power industry distribution place uses, especially
Relate to a kind of big electric current air insulated switch equipment using forced convection to dispel the heat and can prevent arcing from leaking.
Background technology
Along with development and the quick growth of power load of electrical network, in 10kV, 24kV and 35kV power system,
Big electric current air insulation switch cubicle uses in electrical network in a large number, and the rated current of switch cubicle is increasing, some
The load current of transformer station 10kV side has met or exceeded 3200A, the temperature rise in switch cubicle actual motion
More and more higher.In order to allow big electric current air insulation switch cubicle meet the temperature increase requirement of national standard, typically take
The air-cooled measure of forced convection.In order to form rational air channel, some air vents must be opened on side door and use
Come air inlet and aerofluxus.
But according to the requirement of national standard switching devices arcing, occur to must assure that cabinet is attached during arcing accident
The safety of nearly staff, High Temperature High Pressure arcing gas should discharge from cabinet top relief hole, and can not pass through
Air vent on side door plate is discharged.
Summary of the invention
The technical problem to be solved, it is simply that propose a kind of can effectively prevent opening of arcing leakage accident
Pass equipment, in the case of it can have air vent air inlet and aerofluxus taking the air-cooled measure of forced convection, side door,
It is effectively prevented arcing leakage accident to occur.
Solving above-mentioned technical problem, the technical solution used in the present invention is as follows:
A kind of switchgear that can effectively prevent arcing leakage accident, is provided with air channel, wind in described switchgear
Equipped with blower fan on road, the air inlet in described air channel and/or air vent are located on switchgear, described air inlet and/
Or air vent is provided with anti-arcing leakage device.
Further, described air channel is provided with 2, the respectively first air channel and the second air channel, entering of the first air channel
QI KOU is located at the top relief hole that air vent is switchgear in the front Xiamen of switchgear, the first air channel, the
Installing crossflow fan on one air channel, crossflow fan is located at the air inlet side in the first air channel；Entering of second air channel
QI KOU is located at the rear Xiamen of switchgear, and the air vent in the second air channel is visited after being located at switchgear, and second
Equipped with axial flow blower on air channel, on axial flow blower is visited after being arranged on.
Further, described anti-arcing leakage device includes:
One fixes underframe, and for the symmetrically arranged rectangle frame erect, two munnion limits are the hypotenuse received under epirelief,
Fixing underframe is fixing with Qianmen and/or back door to be connected；
One swings cover plate, and shape size corresponds to described fixing underframe, and the top swinging cover plate is cut with scissors with a level
Spindle is hinged with fixing underframe upper ledge limit；
When swing cover plate naturally droops, swing cover plate and form opening with fixing underframe two munnion limit.So, open
Mouthful can ventilate, when under powerful gas pressure effect, swing cover plate and turned to by pressure and fix underframe and closely connect
Touch and ventilating duct is sealed, be effectively prevented arcing leakage accident and occur.
Further, the opening angle between described swing cover plate and described fixing underframe two munnion limit is 7-9 degree.
The invention have the benefit that the switchgear that can effectively prevent arcing leakage accident of the present invention, when
When arcing accident occurs, anti-arcing leakage device is automatically switched off under the effect of high pressure arcing gas, Jin Erfeng
The air vent opened during road design is closed indirectly, can effectively prevent arcing leakage accident, it is ensured that personal safety.
Accompanying drawing explanation
Fig. 1 is the general assembly schematic diagram of the switchgear embodiment that can effectively prevent arcing leakage accident of the present invention；
Fig. 2 is the front Xiamen air inlet signal of the switchgear that can effectively prevent arcing leakage accident shown in Fig. 1
Figure；
Fig. 3 is air vent signal of visiting after the switchgear that can effectively prevent arcing leakage accident shown in Fig. 1
Figure；
Fig. 4 is the rear Xiamen air inlet signal of the switchgear that can effectively prevent arcing leakage accident shown in Fig. 1
Figure；
Fig. 5 is the front Xiamen anti-flaming arc leakage of the switchgear that can effectively prevent arcing leakage accident shown in Fig. 1
Device scheme of installation；
Fig. 6 is the back door anti-arcing leakage dress of the switchgear that can effectively prevent arcing leakage accident shown in Fig. 1
The mounting structure schematic diagram put；
Fig. 7 is the anti-arcing leakage device structure of the switchgear that can effectively prevent arcing leakage accident shown in Fig. 1
Schematic diagram；
Fig. 8 is the swing cover plate schematic diagram of anti-arcing leakage device shown in Fig. 7；
Fig. 9 is the fixing underframe schematic diagram of anti-arcing leakage device shown in Fig. 7；
Figure 10 is the normal condition schematic front view of anti-arcing leakage device shown in Fig. 7；
Figure 11 is the duty schematic front view of anti-arcing leakage device shown in Fig. 7.
In accompanying drawing: 1-crossflow fan；The front Xiamen of 2-；The front Xiamen of 3-anti-flaming arc leakage device；Visit after 4-anti-flaming
Arc leakage device；5-axial flow blower；Visit after 6-；Xiamen after 7-；The anti-arcing in Xiamen leakage device after 8-；
9-jointed shaft；10-fixes underframe；11-swings cover plate；13-opening.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
As it is shown in figure 1, a kind of switchgear that can effectively prevent arcing leakage accident, it is provided with in switchgear
Air channel, equipped with blower fan (1,5) on air channel, the air inlet in air channel and/or air vent are located on switchgear, enter
QI KOU and/or air vent are provided with anti-arcing leakage device (3,4,8).
As shown in figures 2-6, the present embodiment, air channel is provided with 2, the respectively first air channel and the second air channel, the
The air inlet in one air channel is located at the top that air vent is switchgear in 2, first air channel, front Xiamen of switchgear
Relief hole, the first air channel is installed crossflow fan 1, and crossflow fan 1 is located at the air inlet side in the first air channel；
The rear Xiamen 7 of switchgear is located at by the air inlet in the second air channel, and switchgear is located at by the air vent in the second air channel
After visit 6, equipped with axial flow blower 5 on the second air channel, axial flow blower 5 is visited on 6 after being arranged on.
As illustrated in figures 7-11, anti-arcing leakage device includes:
One fixes underframe 10, and for the symmetrically arranged rectangle frame erect, two munnion limits are the hypotenuse received under epirelief,
Fixing underframe 10 is fixing with Qianmen and/or back door to be connected；
One swing cover plate 11, shape size correspond to described fixing underframe 10, swing cover plate 11 top with
One horizontally hinged axle 9 is hinged with fixing underframe 10 upper ledge limit；
When swing cover plate 11 naturally droops, swing 10 liang of munnion limits of cover plate 11 and fixing underframe and form openings 13.
So, opening 13 can ventilate, when under powerful gas pressure effect, swing cover plate 11 by pressure turn to
Fixing underframe 10 is in close contact and is sealed by ventilating duct, is effectively prevented arcing leakage accident and occurs.
The opening angle swung between cover plate 11 and 10 liang of munnion limits of fixing underframe is 7-9 degree.The present embodiment sets
It is set to 7 degree.
Claims (4)
1. can effectively prevent a switchgear for arcing leakage accident, in described switchgear, be provided with air channel,
Equipped with blower fan on air channel, the air inlet in described air channel and/or air vent are located on switchgear, it is characterised in that:
Described air inlet and/or air vent are provided with anti-arcing leakage device.
Can effectively prevent the switchgear of arcing leakage accident the most as claimed in claim 1, it is characterised in that:
Described air channel is provided with 2, the respectively first air channel and the second air channel, and the air inlet in the first air channel is located at switch
The front Xiamen of equipment, the top relief hole that air vent is switchgear in the first air channel, the first air channel is installed
Crossflow fan, crossflow fan is located at the air inlet side in the first air channel；Switch is located at by the air inlet in the second air channel
The rear Xiamen of equipment, the air vent in the second air channel is visited after being located at switchgear, equipped with axle on the second air channel
Flow fan, on axial flow blower is visited after being arranged on.
Can effectively prevent the switchgear of arcing leakage accident, its feature the most as claimed in claim 1 or 2
It is: described anti-arcing leakage device includes:
One fixes underframe, and for the symmetrically arranged rectangle frame erect, two munnion limits are the hypotenuse received under epirelief,
Fixing underframe is fixing with Qianmen and/or back door to be connected；
One swings cover plate, and shape size corresponds to described fixing underframe, and the top swinging cover plate is cut with scissors with a level
Spindle is hinged with fixing underframe upper ledge limit；
When swing cover plate naturally droops, swing cover plate and form opening with fixing underframe two munnion limit.
Can effectively prevent the switchgear of arcing leakage accident the most as claimed in claim 3, it is characterised in that:
Opening angle between described swing cover plate and described fixing underframe two munnion limit is 7-9 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610481712.9A CN105938995A (en) | 2016-06-23 | 2016-06-23 | Switchgear capable of effectively preventing burning arc leakage accidents |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610481712.9A CN105938995A (en) | 2016-06-23 | 2016-06-23 | Switchgear capable of effectively preventing burning arc leakage accidents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105938995A true CN105938995A (en) | 2016-09-14 |
Family
ID=56873144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610481712.9A Pending CN105938995A (en) | 2016-06-23 | 2016-06-23 | Switchgear capable of effectively preventing burning arc leakage accidents |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105938995A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202487994U (en) * | 2012-04-05 | 2012-10-10 | 天津市德利泰开关有限公司 | High-voltage switch cabinet with accessory cabinet |
| CN203352028U (en) * | 2013-07-17 | 2013-12-18 | 广州科铭电气设备有限公司 | Energy-saving AC metal-enclosed switch cabinet |
| CN103715620A (en) * | 2013-12-24 | 2014-04-09 | 大全集团有限公司 | Safety pressure release device for direct current heavy current switch cabinet |
| CN206116993U (en) * | 2016-06-23 | 2017-04-19 | 广州白云电器设备股份有限公司 | Can effectively prevent arcing leakage accident's switchgear |
-
2016
- 2016-06-23 CN CN201610481712.9A patent/CN105938995A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202487994U (en) * | 2012-04-05 | 2012-10-10 | 天津市德利泰开关有限公司 | High-voltage switch cabinet with accessory cabinet |
| CN203352028U (en) * | 2013-07-17 | 2013-12-18 | 广州科铭电气设备有限公司 | Energy-saving AC metal-enclosed switch cabinet |
| CN103715620A (en) * | 2013-12-24 | 2014-04-09 | 大全集团有限公司 | Safety pressure release device for direct current heavy current switch cabinet |
| CN206116993U (en) * | 2016-06-23 | 2017-04-19 | 广州白云电器设备股份有限公司 | Can effectively prevent arcing leakage accident's switchgear |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160914 |
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| WD01 | Invention patent application deemed withdrawn after publication |