CN109004570A - A kind of high-tension switch cabinet Novel pressure relief device - Google Patents
A kind of high-tension switch cabinet Novel pressure relief device Download PDFInfo
- Publication number
- CN109004570A CN109004570A CN201810979257.4A CN201810979257A CN109004570A CN 109004570 A CN109004570 A CN 109004570A CN 201810979257 A CN201810979257 A CN 201810979257A CN 109004570 A CN109004570 A CN 109004570A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- relief device
- pressure relief
- filter screen
- tension switch
- 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
- 239000004677 Nylon Substances 0.000 claims abstract description 9
- 229920001778 nylon Polymers 0.000 claims abstract description 9
- 230000009172 bursting Effects 0.000 claims abstract description 7
- 241000251468 Actinopterygii Species 0.000 claims abstract description 6
- 238000005452 bending Methods 0.000 claims description 31
- 238000003466 welding Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000010891 electric arc Methods 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 241001596816 Halieutaea stellata Species 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
-
- 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
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The present invention discloses a kind of high-tension switch cabinet Novel pressure relief device, cabinet including a rectangular parallelepiped structure, cabinet has an opening being formed on biggish face and the pressure release cover board for being separably placed on open-mouth, fish scale bursting diaphragm is installed on the inside of pressure release cover board, fixes several filter screens side by side in cabinet.The invention has the benefit that the pressure release cover board unilateral side of this pressure relief device is fixed using metal hinge, other side using nylon bolt, when interior unit cell model occurs for switchgear, nylon bolt can quickly be washed open, open pressure release turnover panel quickly, it realizes quick pressure releasing, effectively reduces interior of the cabinet pressure.
Description
Technical field
The invention belongs to distribution control technology fields, and in particular to a kind of high-tension switch cabinet Novel pressure relief device.
Background technique
With the development of China's power industry, commonly used, the safety of equipment of high-tension switch cabinet in the power system
Increasingly paid attention to, and ensured personal safety, is the most important thing, switchgear is in the long-term use due to ambient enviroment
The a variety of causes such as variation, the decline of insulating part performance, maloperation will cause switchgear and accident occur, wherein endangering to the person and equipment
Danger is maximum to surely belong to interior unit cell model, when interior unit cell model occurs, can generate the electric arc of high power, high-temperature, make in cabinet
Gas temperature rises sharply, and insulating materials and metal material can also be made to generate gasification phenomenon, these phenomenons will cause in a short time every
Pressure rises sharply in indoor and cabinet, if switchgear fails timely pressure release, it will lead to the unbearable internal pressure of switchgear and send out
Raw explosion, damages surrounding devices and staff；For this purpose, China's standard switchgear internal arc test is proposed it is bright
True requirement, wherein one requires switchgear to be not allow for fragment and single quality 60g or more when verifying internal arc
Component flies out, currently, although switchgear in the market is designed with pressure relief device, and many kinds of, but has both been able to satisfy internal electricity
Quick pressure releasing when arc occurs, and can guarantee that the component of fragment and single quality 60g or more does not fly out, while being also able to achieve heat dissipation
Demand, there is presently no see the pressure relief device that can satisfy requirements above.A kind of meet requirements above for this reason, it may be necessary to invent
New pressure relief device.
Summary of the invention
It is an object of the invention to overcome deficiency in the prior art, a kind of high-tension switch cabinet is provided and is filled with Novel pressure relief
Set, realize quick pressure releasing when meeting inside switch cabinet arc fault, at the same by be arranged screen pack be effectively prevented from fragment and
The component of single quality 60g or more flies out.
To solve prior art problem, the invention discloses a kind of high-tension switch cabinet Novel pressure relief devices, including a length
The cabinet of cube structure, cabinet have an opening being formed on biggish face and the decompression cover for being separably placed on open-mouth
Plate is equipped with fish scale bursting diaphragm on the inside of pressure release cover board, fixes several filter screens with bending structure in cabinet side by side.
Preferably,
Filter screen has the following structure:
There are two filter screen tools using its center line as bending part made of the inside bending of bending line, two opening edge edges of bending part
Locate the interconnecting piece with the inside bending in opposed open direction；Or
There are two parallel with maintaining two by bending part made of the inside bending of bending line of two parallel lines respectively for filter screen tool
Former shaped ontology between line.
Preferably,
Position in cabinet close to open-mouth is equipped with several crossbeams, and beam vertical is in the long side spaced set of cabinet, crossbeam
On the card slot for making to be caught at the top of filter screen is installed.
Preferably,
Crossbeam and welding box body, filter screen and card slot weld.
Preferably,
The intracorporal bottom surface of case is equipped with several stringers, and stringer is parallel to the long side spaced set of cabinet, and stringer, which is equipped with, to be made
The slot that filter screen bottom is inserted into and is connected.
Preferably,
Stringer and welding box body, the bottom of filter screen and slot weld.
Preferably,
Two long sides of pressure release cover board pass through hinge respectively and nylon bolt is installed on cabinet.
Preferably,
Cabinet includes five coaming plates, and coaming plate is connected to form rectangle structure by self-plugging rivet.
Preferably,
The both ends of filter screen length direction are connect with cabinet spot welding.
Preferably,
The diameter of circular hole on filter screen is 6.5mm.
The invention has the benefit that
(1) the pressure release cover board unilateral side of this pressure relief device is fixed using metal hinge, other side using nylon bolt, works as switchgear
When interior unit cell model occurs, it can quickly wash nylon bolt open, open pressure release turnover panel quickly, realize quick pressure releasing, effectively subtract
Small interior of the cabinet pressure；
(2) screen pack of the setting with bending structure inside this pressure relief device, increases draught area, and web plate opens 6.5 circle
The effect of quick pressure releasing had not only may be implemented in hole, but also can effectively stop the splashing component generated by electric arc；
(3) on the one hand fish scale bursting diaphragm is equipped on the pressure release cover board of this pressure relief device can satisfy when switchgear operates normally
On the other hand the radiating requirements of cabinet body may be implemented in the requirement of IP4X degree of protection；When interior unit cell model occurs for switchgear,
It can also realize pressure and filtration of particulate matters effect in release cabinet.
Detailed description of the invention
Fig. 1 is the structural perspective (pressure release cover board opening state) of first embodiment of the invention；
Fig. 2 is the structural perspective (pressure release cover board closed state) of first embodiment of the invention；
Fig. 3 is the structure top view of pressure release cover board in first embodiment of the invention；
Fig. 4 is the structural perspective of screen pack in first embodiment of the invention；
Fig. 5 is the structural perspective of screen pack in second embodiment of the invention.
Appended drawing reference:
1 cabinet；2 nylon bolts；3 horizontal support beams；4 fish scale bursting diaphragms；5 pressure release cover boards；6 hinges；7 vertical support beams；8 filter screens；
81 bending parts；82 interconnecting pieces；83 ontologies；84 bending parts.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
Embodiment one
As shown in Figures 1 to 4, a kind of high-tension switch cabinet Novel pressure relief device, the cabinet 1 including a rectangular parallelepiped structure, cabinet 1 have
There are an opening being formed on biggish face and the pressure release cover board 5 for being separably placed on open-mouth, the inside installation of pressure release cover board 5
There is fish scale bursting diaphragm 4, fixes several filter screens 8 in cabinet 1 side by side.When pressure reaches certain value in cabinet, pressure release cover board 5 is in cabinet
Interior pressure is rushed to open under realizes pressure release purpose.4 one side of fish scale bursting diaphragm can satisfy the requirement of IP4X degree of protection, separately
On the one hand the radiating requirements of cabinet body may be implemented.
Filter screen 8 is integrated metal plate and forms, and there are two using its center line as bending made of the inside bending of bending line for tool
Portion 81, two opening edges of bending part 81 have the interconnecting piece 82 of the inside bending in opposed open direction.The filtering of the structure
Net 8 has bigger filter area, and interception effect is further promoted.
Position in cabinet 1 close to open-mouth is equipped with several crossbeams 3, and crossbeam 3 is equidistantly set perpendicular to the long side of cabinet 1
It sets, the card slot for being caught in the top (i.e. bending and the spine that is formed) of filter screen 8 is installed on crossbeam 3.Spine is caught in card slot energy
The ability of the fixed filter screen 8 of crossbeam 3 is enough improved, further, crossbeam 3 and cabinet 1 weld, and spine and card slot welding are added
Gu.
Bottom surface in cabinet 1 is equipped with several stringers 7, and stringer 7 is parallel to the long side spaced set of cabinet 1, and stringer 7 is pacified
Equipped with the slot for making the bottom (i.e. interconnecting piece 82) of filter screen 8 be inserted into and connect.It can be improved in the insertion slot of interconnecting piece 82 vertical
The ability of the fixed filter screen 8 of beam 7, further, stringer 7 and cabinet 1 weld, and interconnecting piece 82 is reinforced with slot welding.
Two long sides of pressure release cover board 5 pass through hinge 6 respectively and nylon bolt 2 is installed on cabinet 1.When switchgear occurs
Interior unit cell model and make pressure be more than certain value when, nylon bolt 2 quickly washed open by pressure disconnection effect, pressure release cover board
5 are quickly opened to side by hinge, the purpose realized quick pressure releasing, reduce pressure in cabinet.
Cabinet 1 includes five coaming plates, and coaming plate is connected to form rectangle structure by self-plugging rivet.
The both ends of filter screen 8 are connect with 1 spot welding of cabinet.The diameter of circular hole on filter screen 8 is 6.5mm.Both it may be implemented
The effect of quick pressure releasing, and can effectively stop the splashing component generated by electric arc.
Embodiment two
As shown in figure 5, the difference is that, in the present embodiment, there are two parallel with two respectively for the tool of filter screen 8 with embodiment one
Line is former shaped ontology 83 between two parallel lines of bending part 84 made of the inside bending of bending line and maintenance.Consolidated
Periodically, ontology 83 is fixedly connected with crossbeam 3, and the bottom edge of bending part 84 is fixedly connected with the slot of stringer 7.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of high-tension switch cabinet Novel pressure relief device, it is characterised in that: the cabinet (1) including a rectangular parallelepiped structure, it is described
Cabinet (1) has an opening being formed on biggish face and the pressure release cover board (5) for being separably placed on the open-mouth, described
It is equipped with fish scale bursting diaphragm (4), is fixed in the cabinet (1) side by side several with bending structure on the inside of pressure release cover board (5)
Filter screen (8).
2. a kind of high-tension switch cabinet Novel pressure relief device according to claim 1, it is characterised in that:
The filter screen (8) has the following structure:
There are two using its center line as bending part (81), the bending made of the inside bending of bending line for filter screen (8) tool
Two opening edges in portion (81) have the interconnecting piece (82) of the inside bending in opposed open direction；Or
There are two respectively using two parallel lines as bending part (84) made of the inside bending of bending line and dimension for filter screen (8) tool
Hold former shaped ontology (83) between two parallel lines.
3. a kind of high-tension switch cabinet Novel pressure relief device according to claim 1, it is characterised in that:
Position in the cabinet (1) close to the open-mouth is equipped with several crossbeams (3), and the crossbeam (3) is perpendicular to described
The long side spaced set of cabinet (1) is equipped with the card slot for making to be caught at the top of the filter screen (8) on the crossbeam (3).
4. a kind of high-tension switch cabinet Novel pressure relief device according to claim 3, it is characterised in that:
The crossbeam (3) and the cabinet (1) are welded, and the filter screen (8) and the card slot weld.
5. a kind of high-tension switch cabinet Novel pressure relief device according to claim 1, it is characterised in that:
Bottom surface in the cabinet (1) is equipped with several stringers (7), and the stringer (7) is parallel to the long side etc. of the cabinet (1)
Spacing setting, the stringer (7) are equipped with the slot for making the filter screen (8) bottom be inserted into and connect.
6. a kind of high-tension switch cabinet Novel pressure relief device according to claim 5, it is characterised in that:
The stringer (7) and the cabinet (1) are welded, and the bottom of the filter screen (8) and the slot weld.
7. a kind of high-tension switch cabinet Novel pressure relief device according to claim 1, it is characterised in that:
Two long sides of the pressure release cover board (5) pass through hinge (6) respectively and nylon bolt (2) is installed on the cabinet (1).
8. a kind of high-tension switch cabinet Novel pressure relief device according to claim 1, it is characterised in that:
The cabinet (1) includes five coaming plates, and the coaming plate is connected to form rectangle structure by self-plugging rivet.
9. a kind of high-tension switch cabinet Novel pressure relief device according to claim 1, it is characterised in that:
The both ends of filter screen (8) length direction are connect with the cabinet (1) spot welding.
10. a kind of high-tension switch cabinet Novel pressure relief device according to claim 1, it is characterised in that:
The diameter of circular hole on the filter screen (8) is 6.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810979257.4A CN109004570A (en) | 2018-08-27 | 2018-08-27 | A kind of high-tension switch cabinet Novel pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810979257.4A CN109004570A (en) | 2018-08-27 | 2018-08-27 | A kind of high-tension switch cabinet Novel pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109004570A true CN109004570A (en) | 2018-12-14 |
Family
ID=64593445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810979257.4A Pending CN109004570A (en) | 2018-08-27 | 2018-08-27 | A kind of high-tension switch cabinet Novel pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109004570A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113948977A (en) * | 2020-07-15 | 2022-01-18 | 许继电气股份有限公司 | Switch cabinet arcing pressure relief device |
| US11451017B2 (en) * | 2018-04-27 | 2022-09-20 | Siemens Energy Global GmbH & Co. KG | Switchgear cabinet |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6407331B1 (en) * | 2001-03-21 | 2002-06-18 | Eaton Corporation | Pressure relief panel for arc resistant cabinets |
| CN203377498U (en) * | 2013-08-06 | 2014-01-01 | 库柏(宁波)电气有限公司 | High-tension switch cabinet capable of releasing pressure rapidly |
| CN106099740A (en) * | 2016-08-24 | 2016-11-09 | 吴江变压器有限公司 | Indoor metal enclosed armoured switch cabinet arcing is from opening pressure relief device |
| CN206516926U (en) * | 2017-03-17 | 2017-09-22 | 山东泰开成套电器有限公司 | High-tension switch cabinet Novel pressure relief device |
| CN207165950U (en) * | 2017-09-30 | 2018-03-30 | 万控智造浙江电气有限公司 | A kind of pressure relief device for meeting arcing and temperature increase requirement |
| CN107910790A (en) * | 2017-12-20 | 2018-04-13 | 万控智造浙江电气有限公司 | One kind shunting pressure relief device |
| CN209016542U (en) * | 2018-08-27 | 2019-06-21 | 江苏南瑞帕威尔电气有限公司 | A kind of high-tension switch cabinet Novel pressure relief device |
-
2018
- 2018-08-27 CN CN201810979257.4A patent/CN109004570A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6407331B1 (en) * | 2001-03-21 | 2002-06-18 | Eaton Corporation | Pressure relief panel for arc resistant cabinets |
| CN203377498U (en) * | 2013-08-06 | 2014-01-01 | 库柏(宁波)电气有限公司 | High-tension switch cabinet capable of releasing pressure rapidly |
| CN106099740A (en) * | 2016-08-24 | 2016-11-09 | 吴江变压器有限公司 | Indoor metal enclosed armoured switch cabinet arcing is from opening pressure relief device |
| CN206516926U (en) * | 2017-03-17 | 2017-09-22 | 山东泰开成套电器有限公司 | High-tension switch cabinet Novel pressure relief device |
| CN207165950U (en) * | 2017-09-30 | 2018-03-30 | 万控智造浙江电气有限公司 | A kind of pressure relief device for meeting arcing and temperature increase requirement |
| CN107910790A (en) * | 2017-12-20 | 2018-04-13 | 万控智造浙江电气有限公司 | One kind shunting pressure relief device |
| CN209016542U (en) * | 2018-08-27 | 2019-06-21 | 江苏南瑞帕威尔电气有限公司 | A kind of high-tension switch cabinet Novel pressure relief device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11451017B2 (en) * | 2018-04-27 | 2022-09-20 | Siemens Energy Global GmbH & Co. KG | Switchgear cabinet |
| CN113948977A (en) * | 2020-07-15 | 2022-01-18 | 许继电气股份有限公司 | Switch cabinet arcing pressure relief device |
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