CN207234270U - A kind of all insulation air ring main unit - Google Patents
A kind of all insulation air ring main unit Download PDFInfo
- Publication number
- CN207234270U CN207234270U CN201721002886.9U CN201721002886U CN207234270U CN 207234270 U CN207234270 U CN 207234270U CN 201721002886 U CN201721002886 U CN 201721002886U CN 207234270 U CN207234270 U CN 207234270U
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- CN
- China
- Prior art keywords
- cabinet
- chamber
- interlayer
- pressure
- pressure releasing
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of all insulation air ring main unit, including cabinet；The closed air chamber of all-metal insulation is provided with the cabinet；The bottom of cabinet is isolated into pressure releasing chamber and output cable room by isolation board；Integrated electrical components, on-load switch, earthing switch, fuse on-load switch and the breaker of being provided with is encapsulated in closed air chamber in the closed air chamber；Front side, bottom side and the rear side of the cabinet are mounted on one layer of reinforcement interlayer；Air-breathing and the passage supplied gas are formed between reinforcement interlayer and the cabinet lateral wall.The utility model is mounted with pressure sensor in closed air chamber and electromagnetic relief valve is mounted with pressure releasing chamber, when the pressure in closed air chamber changes, is that control electromagnetic relief valve opens pressure release first, will not produce destruction to pressure releasing chamber；And strengthen interlayer and play the role of strengthening reinforcing to pressure releasing chamber, increase the anti-pressure ability of pressure releasing chamber, increase safety coefficient.
Description
Technical field
A kind of data storage device is the utility model is related to, specifically a kind of all insulation air ring main unit.
Background technology
Totally-enclosed insulation ring main unit is by setting sealed air chamber in cabinet, and SF6 gases are filled with sealed air chamber, will
Various breakers, switch are integrated to be enclosed in gas chamber, and SF6 gases are a kind of nontoxic gas of colorless and odorless, under uniform electric field,
Its insulation performance is three times of air, its insulation performance can be widely used in electricity equivalent to transformer oil under four atmospheric pressure
In power industry；SF6 gases could keep gaseous state more than 45 degrees Celsius, therefore SF6 gases are being vacuumized and be filled with to cabinet
When, inflate very difficult；Because under SF6 gas routines being ampuliform liquid condition, when inflation, is made by pressure reducing valve first
It gasifies, and is re-filled with to gas chamber, but during being filled with, heat largely scatters and disappears can easily lead to SF6 gas liquids again
State, causes inflation difficult；And existing cabinet sealing chamber can be mixed into partial air when qi of chong channel ascending adversely encapsulates, drop its performance
It is low；In addition be exactly gas chamber when breaking down, gas room pressure can suddenly increase, existing to solve the problems, such as that this method is typically
Pressure releasing chamber is set, but this mode can cause the extensive damage of pressure releasing chamber, and if pressure releasing chamber is not firm enough, still can
Produce larger security incident.
Utility model content
The purpose of this utility model is in view of the deficienciess of the prior art, providing a kind of all insulation air ring main unit.
Technical solution：Technical solution is used by the utility model solves the problems, such as：A kind of all insulation air ring main unit, bag
Include cabinet；The closed air chamber of all-metal insulation is provided with the cabinet；The bottom of cabinet is isolated into pressure releasing chamber by isolation board
With output cable room；Integrated electrical components, on-load switch, earthing switch, the fuse of being provided with is born in the closed air chamber
Lotus switchs and breaker is encapsulated in closed air chamber；Front side, bottom side and the rear side of the cabinet are mounted on one layer of reinforcement
Interlayer；Air-breathing and the passage supplied gas are formed between reinforcement interlayer and the cabinet lateral wall；Strengthen interlayer on front side of the cabinet
Upper end be provided with solenoid valve outer layer gas port, and upper end is also equipped with solenoid valve internal layer on rear side of the cabinet strengthened in interlayer
Gas port；The solenoid valve internal layer gas port is communicated with closed air chamber；It is also equipped with the outer wall of reinforcement interlayer on front side of the cabinet
One dismountable heating box；The upper end of the heating box is installed on the downside of solenoid valve outer layer gas port, and the lower end of the heating box is pacified
Mounted in the upside of pressure releasing chamber；Heating element is installed in the heating box.
Further, heating box is equally installed on the outside of the reinforcement interlayer on rear side of the cabinet, installation in the heating box
There is heating element, the upper end of the heating box is arranged on the downside of electromagnetism internal layer gas port, and lower end is arranged on the upside of output cable room.
Further, it is additionally provided with pressure sensor in the closed air chamber；In the pressure releasing chamber and closed air chamber
Between partition plate on be additionally provided with the electromagnetic relief valve being connected with pressure sensor.
Further, one layer of rupture pressure disc is additionally provided with the partition plate inner wall of the pressure releasing chamber.
Further, pressure releasing chamber and output cable room are integrally surrounded by the reinforcement interlayer on the outside of the cabinet, and cabinet
Reinforcing rib 15 is additionally provided between the reinforcement interlayer and the lateral wall of pressure releasing chamber and output cable room of 1 bottom of body.
Further, the both sides of the heating box are provided with mounting blocks, and mounting blocks are removably installed by bolt.
Beneficial effect：The utility model has the advantages that：
(1) reinforcement interlayer has been respectively mounted in the front side of cabinet, bottom side and rear side in the utility model, which is formed
Pumping and the passage of inflation；Vacuum machine is directed at solenoid valve outer layer gas port when pumping, and opens solenoid valve internal layer gas port, it is close
Indoor air of holding one's breath closes the solenoid valve of two gas ports after being extracted；When being filled with SF6 gases, by outside gas tube and solenoid valve
Layer gas port connection, then opens two solenoid valves, and when inflation, heating box is installed in both sides, and is heated to appropriate temperature, leads to
Crossing the heating box of both sides makes in passage that the temperature rises, and the SF6 gases for keeping being filled into passage are gaseous states, make its inflation suitable
Freely；And SF6 gases have been filled with after inflating in passage, therefore when two gas ports are closed in sealed gas chamber not
Air can be mixed into；And SF6 gases have also been filled in passage, extra layer protective layer is formed, inflates smooth and security
Higher；And the heating box in the utility model is dismountable, it can together install and certain heat is provided to closed air chamber,
It can also disassemble；
(2) the utility model is mounted with pressure sensor in closed air chamber and electromagnetism pressure release is mounted with pressure releasing chamber
Valve, when the pressure in closed air chamber changes, is that control electromagnetic relief valve opens pressure release first, pressure releasing chamber will not be produced
Destroy；And strengthen interlayer and play the role of strengthening reinforcing to pressure releasing chamber, increase the anti-pressure ability of pressure releasing chamber, increase safety system
Number.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is furtherd elucidate, the present embodiment is with the utility model
Implemented under premised on technical solution, it should be understood that these embodiments are merely to illustrate the utility model rather than limit this reality
With new scope.
As shown in Figure 1, a kind of all insulation air ring main unit, including cabinet 1；All-metal insulation is provided with the cabinet 1
Closed air chamber 2；The bottom of cabinet 1 is isolated into pressure releasing chamber 4 and output cable room 5 by isolation board 3；The closed air chamber 2
Interior integrated electrical components, on-load switch, earthing switch, fuse on-load switch and the breaker of being provided with is encapsulated in closing gas
In room 2；Front side, bottom side and the rear side of the cabinet 1 are mounted on one layer of reinforcement interlayer 6；The reinforcement interlayer 6 and cabinet
Air-breathing and the passage 7 supplied gas are formed between lateral wall；The upper end for strengthening interlayer 6 on front side of the cabinet is provided with solenoid valve outer layer gas
Mouth 8, and it is also equipped with solenoid valve internal layer gas port 9 positioned at the 1 rear side upper end of cabinet strengthened in interlayer 6；The solenoid valve internal layer gas
Mouth 9 is communicated with closed air chamber 2；One is also equipped with the outer wall of the reinforcement interlayer 6 of the front side of cabinet 1 removably to add
Warm box 10；The upper end of the heating box 10 is installed on the downside of solenoid valve outer layer gas port 8, and the lower end of the heating box 10 is installed on pressure release
The upside of room 4；Heating element 11 is installed in the heating box 10.
1-4 function cable separation can be also set in closed air chamber 2, with can connect circuit or transformer interface, one
A low pressure interval, a manual operation interval and a fuse interval.
The outside of reinforcement interlayer 6 of the rear side of cabinet 1 is equally provided with heating box 10, is provided with and adds in the heating box 10
Thermal element 11, the upper end of the heating box 10 are arranged on the downside of electromagnetism internal layer gas port 9, and lower end is arranged on the upper of output cable room 5
Side.
Pressure sensor 12 is additionally provided with the closed air chamber 2；Between in the pressure releasing chamber 4 and closed air chamber 2
Partition plate on be additionally provided with the electromagnetic relief valve 13 being connected with pressure sensor 12；On the partition plate inner wall of the pressure releasing chamber 4 also
It is provided with one layer of rupture pressure disc 14.
Pressure releasing chamber 4 and the entirety of output cable room 5 are surrounded by the reinforcement interlayer 6 in the outside of cabinet 1, and 1 bottom of cabinet
Reinforcing rib 15 is additionally provided between the reinforcement interlayer 6 and the lateral wall of pressure releasing chamber 4 and output cable room 5 in portion；The heating box
10 both sides are provided with mounting blocks 16, and mounting blocks 16 are removably installed by bolt.
Cabinet 1 is overall and reinforcement interlayer is made up of stainless steel, and surface is installed in cabinet 1 without spraying, charging member,
Three enclosed fuse storehouses are also set up in cabinet 1, detachably, and there is dust-proof, moisture-proof function；And the cabinet of the utility model
It is divided into expansible and non-expandable.It is arranged to the structure of compact in view of severe weather conditions or environmental factor cabinet,
And at switchgear, reserve expansion interface.
Reinforcement interlayer is respectively mounted in the front side of cabinet, bottom side and rear side in the utility model, which, which is formed, takes out
Gas and the passage of inflation；Vacuum machine is directed at solenoid valve outer layer gas port when pumping, and opens solenoid valve internal layer gas port, it is closed
The indoor air of gas closes the solenoid valve of two gas ports after being extracted；When being filled with SF6 gases, by gas tube and solenoid valve outer layer gas
Mouthful connection, then opens two solenoid valves, and when inflation, heating box is installed in both sides, and is heated to appropriate temperature, passes through two
The heating box of side makes in passage that the temperature rises, and the SF6 gases for keeping being filled into passage are gaseous states, make its inflation smooth；
And SF6 gases have been filled with passage after inflating, therefore will not in sealed gas chamber when two gas ports are closed
It is mixed into air；And SF6 gases have also been filled in passage, extra layer protective layer is formed, inflates smooth and security more
It is high；And the heating box in the utility model is dismountable, it can together install and certain heat is provided to closed air chamber,
It can disassemble.
The utility model is mounted with pressure sensor in closed air chamber and electromagnetic relief valve is mounted with pressure releasing chamber,
When the pressure in closed air chamber changes, it is that control electromagnetic relief valve opens pressure release first, pressure releasing chamber will not be produced broken
It is bad；And strengthen interlayer and play the role of strengthening reinforcing to pressure releasing chamber, increase the anti-pressure ability of pressure releasing chamber, increase safety coefficient.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (6)
- A kind of 1. all insulation air ring main unit, it is characterised in that：Including cabinet (1)；It is exhausted that all-metal is provided with the cabinet (1) The closed air chamber (2) of edge；The bottom of cabinet (1) is isolated into pressure releasing chamber (4) and output cable room (5) by isolation board (3)；It is described Closed air chamber (2) in integrated be provided with electrical components, on-load switch, earthing switch, fuse on-load switch and breaker It is encapsulated in closed air chamber (2)；Front side, bottom side and the rear side of the cabinet (1) are mounted on one layer and strengthen interlayer (6)； Air-breathing and the passage (7) supplied gas are formed between the reinforcement interlayer (6) and cabinet lateral wall；Strengthen interlayer on front side of the cabinet (6) upper end is provided with solenoid valve outer layer gas port (8), and upper end is also provided with rear side of the cabinet (1) strengthened in interlayer (6) There is solenoid valve internal layer gas port (9)；The solenoid valve internal layer gas port (9) is communicated with closed air chamber (2)；On front side of the cabinet (1) Strengthen being also equipped with a dismountable heating box (10) on the outer wall of interlayer (6)；The upper end of the heating box (10) is installed on electricity On the downside of magnet valve outer layer gas port (8), and the lower end of the heating box (10) is installed on the upside of pressure releasing chamber (4)；The heating box (10) heating element (11) is installed in.
- A kind of 2. all insulation air ring main unit according to claim 1, it is characterised in that：On rear side of the cabinet (1) Strengthen that heating box (10) is equally installed on the outside of interlayer (6), heating element (11), the heating box are installed in the heating box (10) (10) upper end is arranged on the downside of electromagnetism internal layer gas port (9), and lower end is arranged on the upside of output cable room (5).
- A kind of 3. all insulation air ring main unit according to claim 1, it is characterised in that：In the closed air chamber (2) It is additionally provided with pressure sensor (12)；It is additionally provided with and presses on partition plate between in the pressure releasing chamber (4) and closed air chamber (2) The connected electromagnetic relief valve (13) of force snesor (12).
- A kind of 4. all insulation air ring main unit according to claim 3, it is characterised in that：The pressure releasing chamber (4) every One layer of rupture pressure disc (14) is additionally provided with plate inner wall.
- A kind of 5. all insulation air ring main unit according to claim 1, it is characterised in that：Adding on the outside of the cabinet (1) Pressure releasing chamber (4) and output cable room (5) are integrally surrounded by strong interlayer (6), and the reinforcement interlayer (6) of cabinet (1) bottom and Reinforcing rib (15) is additionally provided between the lateral wall of pressure releasing chamber (4) and output cable room (5).
- A kind of 6. all insulation air ring main unit according to claim 2, it is characterised in that：The two of the heating box (10) Side is provided with mounting blocks (16), and mounting blocks (16) are removably installed by bolt.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016213116227 | 2016-12-02 | ||
| CN201621311622 | 2016-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207234270U true CN207234270U (en) | 2018-04-13 |
Family
ID=61856871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721002886.9U Expired - Fee Related CN207234270U (en) | 2016-12-02 | 2017-08-11 | A kind of all insulation air ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207234270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115800067A (en) * | 2022-12-05 | 2023-03-14 | 江苏国明浩辰科技有限公司 | 35KV indoor SF6 gas inflation cabinet with pressure relief chamber |
-
2017
- 2017-08-11 CN CN201721002886.9U patent/CN207234270U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115800067A (en) * | 2022-12-05 | 2023-03-14 | 江苏国明浩辰科技有限公司 | 35KV indoor SF6 gas inflation cabinet with pressure relief chamber |
| CN115800067B (en) * | 2022-12-05 | 2023-09-19 | 江苏国明浩辰科技有限公司 | 35KV indoor SF6 gas charging cabinet with pressure release chamber |
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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: 20180413 Termination date: 20210811 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |