CN209016542U - 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
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- CN209016542U CN209016542U CN201821382820.1U CN201821382820U CN209016542U CN 209016542 U CN209016542 U CN 209016542U CN 201821382820 U CN201821382820 U CN 201821382820U CN 209016542 U CN209016542 U CN 209016542U
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- cabinet
- relief device
- pressure relief
- filter screen
- tension switch
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Abstract
The utility model 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 utility model has the advantages 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 one made of the inside bending of bending line, and two of bending part one
Be open interconnecting piece of the edge with the inside bending in opposed open direction；Or
There are two respectively using two parallel lines as bending part two made of the inside bending of bending line and maintenance two for filter screen tool
Former shaped ontology between a parallel lines.
Preferably,
Position in cabinet close to open-mouth is equipped with several crossbeams, beam vertical in the long side spaced set of cabinet,
The card slot for making to be caught at the top of filter screen is installed on crossbeam.
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 is equipped with
Make to filter the slot that sieve 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, when opening
When closing cabinet generation interior unit cell model, it can quickly wash nylon bolt open, open pressure release turnover panel quickly, realize quick pressure releasing, have
Effect reduces 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
The effect of quick pressure releasing had not only may be implemented in circular hole, but also can effectively stop the splashing component generated by electric arc；
(3) fish scale bursting diaphragm is installed on the pressure release cover board of this pressure relief device, it, on the one hand can be with when switchgear operates normally
Meet the requirement of IP4X degree of protection, the radiating requirements of cabinet body on the other hand may be implemented；When internal arc event occurs for switchgear
When barrier, pressure and filtration of particulate matters effect in release cabinet can also be realized.
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 filterings
Net；81 bending parts one；82 interconnecting pieces；83 ontologies；84 bending parts two.
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, case
Body 1 has an opening being formed on biggish face and is separably placed on the pressure release cover board 5 of open-mouth, pressure release cover board 5 it is interior
Side is equipped with fish scale bursting diaphragm 4, fixes several filter screens 8 in cabinet 1 side by side.When pressure reaches certain value in cabinet, decompression cover
The pressure in cabinet of plate 5 is rushed to open under realizes pressure release purpose.4 one side of fish scale bursting diaphragm can satisfy IP4X degree of protection
It is required that the radiating requirements of cabinet body on the other hand 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 1, two opening edges of bending part 1 have the interconnecting piece 82 of the inside bending in opposed open direction.The structure
Filter screen 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 respectively with two for the tool of filter screen 8 with embodiment one
Parallel lines are former shaped ontology 83 between two parallel lines of bending part 2 84 made of the inside bending of bending line and maintenance.?
When being fixed, ontology 83 is fixedly connected with crossbeam 3, and the bottom edge of bending part 2 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 one (81) made of the inside bending of bending line, the folding for filter screen (8) tool
Two opening edges of turn of bilge one (81) have the bending part two (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 |
|---|---|---|---|
| CN201821382820.1U CN209016542U (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 |
|---|---|---|---|
| CN201821382820.1U CN209016542U (en) | 2018-08-27 | 2018-08-27 | A kind of high-tension switch cabinet Novel pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209016542U true CN209016542U (en) | 2019-06-21 |
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ID=66831739
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821382820.1U Active CN209016542U (en) | 2018-08-27 | 2018-08-27 | A kind of high-tension switch cabinet Novel pressure relief device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004570A (en) * | 2018-08-27 | 2018-12-14 | 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 CN201821382820.1U patent/CN209016542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004570A (en) * | 2018-08-27 | 2018-12-14 | 江苏南瑞帕威尔电气有限公司 | A kind of high-tension switch cabinet Novel pressure relief device |
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