CN206498130U - A kind of switch cubicle makes somebody a mere figurehead inlet wire pressure relief - Google Patents
A kind of switch cubicle makes somebody a mere figurehead inlet wire pressure relief Download PDFInfo
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- CN206498130U CN206498130U CN201720170469.9U CN201720170469U CN206498130U CN 206498130 U CN206498130 U CN 206498130U CN 201720170469 U CN201720170469 U CN 201720170469U CN 206498130 U CN206498130 U CN 206498130U
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- Prior art keywords
- bus bridge
- pressure relief
- bus
- point
- passway
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Abstract
Inlet wire pressure relief is maked somebody a mere figurehead the utility model discloses a kind of switch cubicle, including bus bridge and bus casing and the passway being arranged on top cover for switch cabinet, bus casing is arranged on passway, also include bus bridge-prevention pipe, one openend of bus bridge-prevention pipe forms closure linear contact lay with top cover for switch cabinet outer surface, passway is located in the contact line area defined of bus bridge pipe end and top cover for switch cabinet, bus bridge is passed by bus casing enters bus bridge pipeline after switch cubicle, the body of bus bridge-prevention pipe extends along bus bridge, also there is the first pressure relief opening in contact line area defined, contact line, which is surrounded, offers the second pressure relief opening on the bus bridge-prevention pipe of overlying regions.The pressure release passage of top cover for switch cabinet is engaged to form upward pressure release passage by the utility model with the pressure release passage of bus bridge, effectively release-push cabinet internal arc pressure, the safety of protection equipment and personnel.
Description
Technical field
The utility model belongs to technical field of electricity, and more particularly to a kind of switch cubicle makes somebody a mere figurehead inlet wire pressure relief.
Background technology
In 18, state's net is anticlinal, prescribed switch cabinet should be from IAC grades of (internal fault rank) products, and switch cubicle is necessary
Pressure relief channels are set.
Provided in IEC662271-200, inside switch cabinet arcing Test to Failure is verified in dangerous electric effect to personnel
The experiment of protection, is just when metal enclosed switch box control device is in normal operation position and arc event occurs in inside
Personnel near normal operational outfit provide tried level of protection.Internal arc energy is huge, can cause internal over pressure
Power (internal pressure that general 31.5kA short circuit current flows are produced for 1 second is 10 standard atmospheric pressures) and hot-spot (arcing point temperature
Up to 2000 DEG C), and then the effect of machinery and heat is produced to equipment, additionally can be to equipment pipe outer jet hot gas and vehement
Thermion.
In the prior art, the inlet-outlet line mode of switch cubicle is generally divided into two kinds：Inlet-outlet line, built on stilts inlet-outlet line under cable.Mesh
Before, cable incoming-outgoing wire scheme can realize effective pressure release, but built on stilts inlet-outlet line has many drawbacks：
1st, the space of cable room cover plate is occupied due to making somebody a mere figurehead copper bar, pressure release passage can not be installed additional.At present, most cabinets
Type cancels pressure release passage when making, and there is severe compromise.
2nd, there are a small number of cabinet types, upper sealing plate after cabinet is improved, by the way of the pressure release to after cabinet.Due to pressure release direction
Be level backward, the injection direction of internal arc is easily hurted sb.'s feelings.
3rd, because internal arcing energy cannot effectively discharge, high-voltage arc and high heat arc ions can cause inside to set
It is standby to damage, expand causality loss scope.
4th, because internal arcing energy cannot effectively discharge, the gas of internal super-pressure can produce great pressure to back door
Power, easily causes the explosion at back door, so as to injure the personal safety of operating personnel.
5th, because internal arcing energy cannot effectively discharge, the electric arc of fault point easily feeds through to the direct current of surrounding
Cable or the terminal of protection, so as to trigger DC system fault, and then cause local protection failure of apparatus, breaker can not be timely
Failure is cut off, causes the accident and is further expanded to systematic failures, huge economic loss is produced.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of switch cubicle and makes somebody a mere figurehead inlet wire pressure relief, by switch cubicle
The pressure release passage of top cover is engaged to form upward pressure release passage with the pressure release passage of bus bridge, effectively inside release-push cabinet
The safety of arc pressure, protection equipment and personnel.
In order to solve the above technical problems, the technical scheme that the utility model is used is：
A kind of switch cubicle makes somebody a mere figurehead inlet wire pressure relief, including bus bridge and bus casing and is arranged on top cover for switch cabinet
Passway, the bus casing is arranged on the passway, in addition to bus bridge-prevention pipe, and the one of the bus bridge-prevention pipe opens
Mouth end forms closure linear contact lay with the top cover for switch cabinet outer surface, and the passway is located at the bus bridge pipe end and institute
State in the contact line area defined of top cover for switch cabinet, the bus bridge is passed after the switch cubicle by the bus casing
Into the bus bridge-prevention pipe, the body of the bus bridge-prevention pipe extends along the bus bridge, the area that the contact line is surrounded
Also there is the first pressure relief opening, the contact line, which is surrounded, offers the second pressure relief opening on the bus bridge-prevention pipe of overlying regions in domain.
In the above-mentioned technical solutions, passway and bus casing meet switch cubicle inlet-outlet line and the need through copper bar
Will, because an openend and the top cover for switch cabinet outer surface of bus bridge form closure linear contact lay, bus bridge passes through bus casing
Enter bus bridge-prevention pipe after outflow, and the body of bus bridge-prevention pipe extends along bus bridge, thus bus bridge-prevention pipe will be located at and open
Close the bus bridge outside cabinet to enclose, while the second pressure relief opening has connected inside switch cabinet space and the mother above switch cubicle
The arcing energy produced in line bridge-prevention pipe inner space, thus switch cubicle can be discharged to bus bridge-prevention pipe through the first pressure relief opening,
It is released into air and sees through the second pressure relief opening again, meets switch cubicle pressure release needs.The utility model utilizes enclosed busbar bridge
Structure, the first pressure relief opening of top cover for switch cabinet is engaged with the second pressure relief opening of bus bridge-prevention pipe to form upward switch
Cabinet pressure release passage, can effectively release-push cabinet internal arc pressure, while be difficult to cause personnel near switch cubicle damage,
So as to protection switch cabinet equipment and the safety of personnel；The utility model is simple for structure simultaneously, without changing existing on a large scale
Switch cubicle and bus bridge structure, it is easy to install, switch cabinet body bulk strength is had no effect, it is raw beneficial to high-volume
Production, so that with higher production efficiency；The utility model can greatly improve the reasonable structure of switch cubicle product, to current
For most switch cubicles, all with instructing improvement to act on.
As the further improvement of technical solutions of the utility model, the passway is connected with first pressure relief opening,
Crossbeam is provided with after the passway is connected with first pressure relief opening in institute's forming region, the bus casing is installed on described
On crossbeam, the projected area of the crossbeam and bus casing institute overlay area in the horizontal plane is less than the passway and institute
State the area of institute's forming region after the connection of the first pressure relief opening.Passway connected with the first pressure relief opening after on top cover for switch cabinet just only
There is an opening, the opening has switch cubicle inlet-outlet line and the function and decompression function through copper bar simultaneously；Simultaneously at this
Crossbeam is set in opening, then bus casing is arranged on crossbeam, then improved after being connected in passway with the first pressure relief opening
The firmly installing property of bus casing.
As the further improvement of technical solutions of the utility model, it is provided with the bus bridge pipeline outer wall for opening
Or the cover plate of closure second pressure relief opening, cover plate can be closed when needed, improve the security of bus bridge and switch cubicle.
As the further improvement of technical solutions of the utility model, the crossbeam is made up of first point of beam and second point of beam,
The depressed part corresponding with the bus casing profile, described first point are provided with first point of beam and second point of beam
Depressed part on beam and second point of beam is corresponded, and the one or the four point of beam is corresponding with each pair on second point of beam
Depressed part be used for clamp a bus casing.Two points of beams clamp bus sheath by corresponding depressed part from both sides
Pipe, then bus casing is installed with two points of beams, it can further improve the firmly installing property of bus casing.
As the further improvement of technical solutions of the utility model, first point of beam and second point of beam use bending
Structure, improves the bulk strength of point beam.
To sum up, a kind of switch cubicle of the utility model is maked somebody a mere figurehead inlet wire pressure relief and installed and used and convenient for production, and intensity is high,
Fastness is good, can effectively release-push cabinet internal arc pressure, while be difficult to cause personnel near switch cubicle damage, from
And it is capable of the safety of protection switch cabinet equipment and personnel.
Brief description of the drawings
Fig. 1 is the structural representation of the first embodiment of the utility model.
Fig. 2 is the perforate schematic diagram of top cover for switch cabinet in the utility model the first embodiment
Fig. 3 is the structural representation of second of embodiment middle cross beam of the utility model.
Fig. 4 is the perforate schematic diagram of top cover for switch cabinet in second of embodiment of the utility model.
In figure：1, switch cubicle；2, bus bridge；3, bus casing；4, top cover；5, passway；6, bus bridge-prevention pipe；7, first
Pressure relief opening；8, the second pressure relief opening；9, first point of beam；10, second point of beam；11, cover plate.
Embodiment
Figures 1 and 2 show that the first embodiment of the present utility model.
Include bus bridge 2 and bus casing 3 as shown in figure 1, the switch cubicle makes somebody a mere figurehead inlet wire pressure relief and be arranged at out
The passway 5 on cabinet top lid 4 is closed, bus casing 3 is arranged on passway 5, is installed for convenience of bus casing 3, the periphery of passway 5
Top cover 4 on be provided with protuberance, an openend and the outer surface of top cover for switch cabinet 4 (namely upper surface) of bus bridge-prevention pipe 6
Closure linear contact lay is formed, the linear contact lay is surrounded by the contact line of the body of bus bridge-prevention pipe 6 and top cover for switch cabinet 4；According to mother
The difference of the cross section of line bridge-prevention pipe 6, above-mentioned contact line can surround region of different shapes, such as rectangle on top cover for switch cabinet 4
Or circle etc., passway is located in above-mentioned contact line area defined, and bus bridge 2 is drawn right upwards through bus casing 3
It is horizontal-extending afterwards, while bus bridge 2 is also put into bus bridge-prevention pipe 6 after being drawn upwards through bus casing 3, bus bridge-prevention pipe 6
Body extend along bus bridge 2, thus bus bridge-prevention pipe 6 encloses the bus bridge 2 outside switch cubicle 1；It is foregoing
Also there is the first pressure relief opening 7, as shown in Fig. 2 the first pressure relief opening 7 has connected inside switch cabinet sky in contact line area defined
Between with the inner space of bus bridge-prevention pipe 6 above switch cubicle, offer the second pressure relief opening on the bus bridge-prevention pipe 6 of the overlying regions
8。
It is provided with the cover plate 11 for opening or blocking the second pressure relief opening 8 on the outer wall of bus bridge-prevention pipe 6, cover plate 11 can be with
It is hinged with bus bridge-prevention pipe 6；After cover plate 11 is opened, the second pressure relief opening 8 has connected the inner space of bus bridge-prevention pipe 6 and mother
The outside atmosphere space of line bridge-prevention pipe 6.
In the case that cover plate 11 is opened, when arcing failure occurs for the inside of switch cubicle 1, the arcing that the inside of switch cubicle 1 is produced
Energy is upwardly into the inner space of bus bridge-prevention pipe 6 through the first pressure relief opening 7, is then discharged upwards to air through the second pressure relief opening 8
In, so as to form upward releasing channel of switch cabinet, as shown by the arrows in Figure 1, meet the pressure release needs of switch cubicle 1, protection switch
The equipment safety of cabinet 1；Simultaneously because pressure release upwards, is difficult to cause damage to personnel near switch cubicle 1, protects work about electric power personnel
Safety.
The difference of second of embodiment of the present utility model and the first embodiment is, in second of embodiment
In, passway 5 is connected with the first pressure relief opening 7, and the pressure relief opening of passway 5 and first size relative to the first embodiment party
Formula can be with different, so with regard to only one of which opening on the top cover 4 of switch cubicle 1, and the opening is that passway 5 is let out with first
Press institute's forming region after the connection of mouth 7；Crossbeam is installed in the opening, crossbeam by being made up of first point of beam 9 and second point of beam 10,
First point of beam 9 and second point of beam 10 are used and are provided with and bus casing 3 on bending structure, first point of beam 9 and second point of beam 10
Depressed part on the corresponding depressed part of profile, first point of beam 9 and second point of beam 10 is corresponded, as shown in Figure 3；By first point
Beam 9 and second point of beam 10 are connected with the top cover 4 of above-mentioned single open circumferential, for example with bolt connection, two points during installation
Beam 5 is parallel with 6, and the depressed part on first point of beam 9 and second point of beam 10 is corresponded, first point of beam 9 and second point of beam 10
On the corresponding depressed part of each pair in the middle of be the installing zone of bus casing 3, bus casing 3 is put into above-mentioned installing zone, first point
The depressed part corresponding with each pair on second point of beam 10 of beam 9 clamps bus casing 3 from both sides respectively, then by bus casing 3 with
The first point of beam 9 and second point of beam 10 of both sides are attached, for example, can use bolt connection, this completes switch cubicle
The installation of top cover 4, crossbeam and bus casing 3；After installation, crossbeam and bus casing 3 can not block passway 5 and completely
Institute's forming region after the connection of one pressure relief opening 7, that is to say, that the view area of crossbeam and bus casing 3 along the above-below direction of switch cubicle 1
Do not blocked by crossbeam and bus casing 3 in the area of institute's forming region after being connected less than passway 5 with the first pressure relief opening 7, the region
Part just be used for the inside arcing energy of switch cubicle 1 is discharged to the bus bridge-prevention pipe 6 of top, such as blank parts institute in Fig. 4
Show, thus the region has switch cubicle inlet-outlet line and the function and decompression function through copper bar simultaneously；Furthermore, it is contemplated that disappearing
Except eddy-current heating, first point of beam 9 and second point of beam 10 can use stainless steel.
Likewise, in the case of the unlatching of cover plate 11, when arcing failure occurs for the inside of switch cubicle 1, is produced from the inside of switch cubicle 1
Raw arcing energy is upwardly into the inner space of bus bridge-prevention pipe 6 through blank parts in Fig. 4, then upward through the second pressure relief opening 8
Release is into air, so as to form upward releasing channel of switch cabinet, its direction equally as shown by the arrows in Figure 1, meets switch
The pressure release of cabinet 1 needs, the equipment safety of protection switch cabinet 1；Simultaneously because pressure release upwards, is difficult to cause personnel near switch cubicle 1
Damage, protects work about electric power personal security.
Further instruction, but the utility model have been carried out to the utility model above in conjunction with the drawings and specific embodiments
Above-mentioned embodiment is not limited to, in the knowledge that those of ordinary skill in the art possess, can also not taken off
Made a variety of changes on the premise of from the utility model objective.
Claims (5)
1. a kind of switch cubicle makes somebody a mere figurehead inlet wire pressure relief, including bus bridge (2) and bus casing (3) and it is arranged at switch cabinet top
The passway (5) covered on (4), the bus casing (3) is arranged on the passway (5), it is characterised in that also including bus
Bridge-prevention pipe (6), an openend and the top cover for switch cabinet (4) outer surface of the bus bridge-prevention pipe (6) form closure linear contact lay,
The passway (5) is located at bus bridge-prevention pipe (6) end and the contact line area defined of the top cover for switch cabinet (4)
Interior, the bus bridge (2) passes the switch cubicle (1) by the bus casing (3) and enters the bus bridge-prevention pipe (6) afterwards,
The body of the bus bridge-prevention pipe (6) extends along the bus bridge (2), also has first in the contact line area defined
Pressure relief opening (7), the contact line, which is surrounded, offers the second pressure relief opening (8) on the bus bridge-prevention pipe (6) of overlying regions.
2. a kind of switch cubicle according to claim 1 makes somebody a mere figurehead inlet wire pressure relief, it is characterised in that the passway (5)
It is connected with first pressure relief opening (7), after the passway (5) connects with first pressure relief opening (7) in institute's forming region
Crossbeam is provided with, the bus casing (3) is installed on the crossbeam, the crossbeam and the bus casing (3) institute area of coverage
The projected area of domain in the horizontal plane is less than institute's forming region after the passway (5) are connected with first pressure relief opening (7)
Area.
3. a kind of switch cubicle according to claim 1 makes somebody a mere figurehead inlet wire pressure relief, it is characterised in that the bus bridge-prevention pipe
(6) cover plate (11) for opening or blocking second pressure relief opening (8) is provided with outer wall.
4. a kind of switch cubicle according to claim 2 makes somebody a mere figurehead inlet wire pressure relief, it is characterised in that the crossbeam is by first
Divide and be provided with and the bus on beam (9) and second point of beam (10) composition, first point of beam (9) and second point of beam (10)
A pair of depressed part 1 on the corresponding depressed part of sleeve pipe (3) profile, first point of beam (9) and second point of beam (10)
Should, first point of beam (9) depressed part corresponding with each pair on second point of beam (10) is used to clamp a mother
Thread casing (3).
5. a kind of switch cubicle according to claim 4 makes somebody a mere figurehead inlet wire pressure relief, it is characterised in that first point of beam
And second point of beam (10) uses bending structure (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720170469.9U CN206498130U (en) | 2017-02-24 | 2017-02-24 | A kind of switch cubicle makes somebody a mere figurehead inlet wire pressure relief |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720170469.9U CN206498130U (en) | 2017-02-24 | 2017-02-24 | A kind of switch cubicle makes somebody a mere figurehead inlet wire pressure relief |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206498130U true CN206498130U (en) | 2017-09-15 |
Family
ID=59805797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720170469.9U Expired - Fee Related CN206498130U (en) | 2017-02-24 | 2017-02-24 | A kind of switch cubicle makes somebody a mere figurehead inlet wire pressure relief |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206498130U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112020804A (en) * | 2018-04-27 | 2020-12-01 | 西门子股份公司 | Switch cabinet |
| CN112398038A (en) * | 2020-10-27 | 2021-02-23 | 许继电气股份有限公司 | Prefabricated cabin pressure release system |
-
2017
- 2017-02-24 CN CN201720170469.9U patent/CN206498130U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112020804A (en) * | 2018-04-27 | 2020-12-01 | 西门子股份公司 | Switch cabinet |
| US11451017B2 (en) | 2018-04-27 | 2022-09-20 | Siemens Energy Global GmbH & Co. KG | Switchgear cabinet |
| CN112020804B (en) * | 2018-04-27 | 2023-09-29 | 西门子能源全球有限公司 | Switch cabinet |
| CN112398038A (en) * | 2020-10-27 | 2021-02-23 | 许继电气股份有限公司 | Prefabricated cabin pressure release system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |