CN211046229U - Gas insulation vacuum ring main unit - Google Patents
Gas insulation vacuum ring main unit Download PDFInfo
- Publication number
- CN211046229U CN211046229U CN201921059236.7U CN201921059236U CN211046229U CN 211046229 U CN211046229 U CN 211046229U CN 201921059236 U CN201921059236 U CN 201921059236U CN 211046229 U CN211046229 U CN 211046229U
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- CN
- China
- Prior art keywords
- fixedly connected
- switch
- contact
- fuse
- cabinet
- 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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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses a gas insulation vacuum looped netowrk cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body, internal wall fixedly connected with rubber insulation layer of cabinet, the three station load switch of the inside top fixedly connected with of rubber insulation layer, the insulating gas blow vent has been seted up to the inside one side of three station load switch, the fixed electricity wire that has inlayed in the inside top of three station load switch, it has the moving contact to advance the articulated contact below of electricity wire, moving contact one side is provided with the earthing switch contact, and earthing switch contact fixed connection is in three station load switch inner wall one side, the moving contact below is provided with the combined floodgate switch contact. The utility model discloses in, what the looped netowrk cabinet adopted is that nitrogen gas or other can regard as insulating material's inert pollution-free gas, can not produce the pollution to the environment at work, use that can be more relieved, and the internal wall of cabinet is paved with one deck insulating rubber layer, can guarantee when insulating gas is not enough or other things happen, the use of guarantee looped netowrk cabinet that can be fine.
Description
Technical Field
The utility model relates to a power switching equipment technical field especially relates to a gas insulation vacuum looped netowrk cabinet.
Background
Aiming at the problems of environmental requirements and pollution of sulfur hexafluoride gas in the existing sulfur hexafluoride ring main unit, the invention discloses an environment-friendly gas insulation vacuum ring main unit developed by adopting nitrogen or other inert pollution-free gases as an insulating material.
Carry out safer insulation treatment to looped netowrk cabinet, make looped netowrk cabinet safer in the use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a gas insulation vacuum ring main unit.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a gas insulation vacuum ring main unit comprises a main body, wherein a rubber insulation layer is fixedly connected to the inner wall of the main body, a three-position load switch is fixedly connected to the upper portion inside the rubber insulation layer, an insulation gas vent is formed in one side inside the three-position load switch, an electricity inlet wire is fixedly embedded in the upper portion inside the three-position load switch, a moving contact is hinged to the lower portion of the electricity inlet wire, a grounding switch contact is arranged on one side of the moving contact, the grounding switch contact is fixedly connected to one side of the inner wall of the three-position load switch, a closing switch contact is arranged below the moving contact and fixedly connected to the bottom of the inner wall of the three-position load switch, a voltage display is fixedly connected to the bottom of the three-position load switch, a shunt switch is fixedly connected to the lower portion of the voltage display, and, shunt switch below fixedly connected with fuse, the outside one side fixedly connected with fuse head end earthing switch of fuse, fuse head end earthing switch one side fixedly connected with mechanical connecting rod, and the terminal earthing switch of one end fixedly connected with fuse of mechanical connecting rod, fuse head end earthing switch's top is fixed to be inlayed and is had into the electrical contact, it has earthing contact to advance electrical contact one side fixed to inlay, fuse one side fixedly connected with capacitive voltage indicator, capacitive voltage indicator top fixedly connected with earthing indicator, internal wall fixedly connected with secondary control room of cabinet, secondary control room below fixedly connected with main bus-bar room, the cabinet body openly fixed inlays and has visual panel, the handle hole has been seted up to visual panel below.
As a further description of the above technical solution:
the rubber insulating layer is paved on the inner wall of the cabinet body.
As a further description of the above technical solution:
the center of the moving contact is a controllable connecting rod.
As a further description of the above technical solution:
the fuse head end grounding switch is mechanically linked with the fuse tail end grounding switch.
As a further description of the above technical solution:
the visual panel is an insulating panel.
As a further description of the above technical solution:
and the inside of the operation hole is fixedly connected with an insulating rubber glove.
As a further description of the above technical solution:
the capacitive voltage indicator is directly connected to the three-position load switch.
The utility model discloses following beneficial effect has: what the looped netowrk cabinet adopted is that nitrogen gas or other can regard as insulating material's inert pollution-free gas, can not produce the pollution to the environment at work, use that can be more relieved, fuse head end earthing switch and fuse end earthing switch mechanical linkage, when the circuit takes place to transship or when excessive pressure, automatic tripping operation, the protection fuse, the internal wall of cabinet is paved with one deck insulating rubber layer, can guarantee when insulating gas is not enough or take place other things, other accidents can not take place for the high-tension arc in the cabinet can not leak, the use of guarantee looped netowrk cabinet that can be fine.
Drawings
Fig. 1 is a structural diagram of a gas insulated vacuum ring main unit according to the present invention;
fig. 2 is a front view of a gas insulated vacuum ring main unit according to the present invention;
FIG. 3 is an enlarged view at B of FIG. 1;
fig. 4 is an enlarged view of a point a in fig. 1.
Illustration of the drawings:
1. a cabinet body; 2. a rubber insulating layer; 3. a fuse; 4. a vacuum arc extinguishing layer; 5. a voltage display; 6. A shunt switch; 7. a secondary control room; 8. a main bus bar chamber; 9. a ground indicator; 10. a capacitive voltage indicator; 11. a visual panel; 12. an operation hole; 13. a closing switch contact; 14. a ground switch contact; 15. an incoming wire; 16. a moving contact; 17. an insulating gas vent; 18. a three-position load switch; 19. a ground contact; 20. an incoming electrical contact; 21. the head end of the fuse is connected with a grounding switch; 22. a mechanical linkage; 23. and the fuse tail end is grounded.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: a gas insulation vacuum ring main unit comprises a main body 1, a rubber insulation layer 2 is fixedly connected to the inner wall of the main body 1 and used as a second layer for protection to prevent high-voltage arc leakage and better maintain the internal working environment of the ring main unit, a three-position load switch 18 is fixedly connected to the upper portion of the inner portion of the rubber insulation layer 2, an insulation gas vent 17 is arranged on one side of the inner portion of the three-position load switch 18 and used as a first layer for protection to protect instruments in the ring main unit, a power supply lead 15 is fixedly embedded on the upper portion of the inner portion of the three-position load switch 18, a movable contact 16 is hinged below the power supply lead 15 and can directly carry out linkage of the three-position load switch, a grounding switch contact 14 is arranged on one side of the movable contact 16, the grounding switch contact 14 is fixedly connected to one side of the inner wall of the three-position load switch 18, a closing switch contact 13 is arranged below, the bottom end of the three-station load switch 18 is fixedly connected with a voltage display 5 which can observe whether the voltage in the ring main unit is stable at any time, a shunt switch 6 is fixedly connected below the voltage display 5, a vacuum arc extinguishing layer 4 is fixedly embedded on the outer wall of the shunt switch 6 to prevent the high-voltage arc from damaging the instruments in the ring main unit, a fuse 3 is fixedly connected below the shunt switch, a fuse head end grounding switch 21 is fixedly connected on one side of the outer part of the fuse 3, a mechanical connecting rod 22 is fixedly connected on one side of the fuse head end grounding switch 21, a fuse tail end grounding switch 23 is fixedly connected on one end of the mechanical connecting rod 22, the two are tripped simultaneously when the circuit is broken to protect the fuse 3, a power inlet contact 20 is fixedly embedded above the top of the fuse head end grounding switch 21, a grounding contact 19 is fixedly embedded on one side of the power inlet contact 20, and a capacitive, capacitive voltage indicator 10 top fixedly connected with ground connection indicator 9 conveniently observes the interior condition of cabinet, 1 inner wall fixedly connected with secondary control room 7 of the cabinet body, and secondary control room 7 below fixedly connected with main bus-bar room 8 can salvage when taking place the accident in the cabinet, and cabinet body 1 openly is fixed to be inlayed and is had visual panel 11, and handle hole 12 has been seted up to visual panel 11 below, convenient observation and operation when needing the renovation in the cabinet.
The working principle is as follows: an external power supply enters the ring main unit through the three-station load switch 18, an arc generated by the contact of an insulating gas protection contact entering the three-station load switch 18 through the insulating gas vent 17 does not leak, the voltage display 5 displays circuit voltage, current then passes through the shunt switch 6 and is divided into a plurality of strands to enter the fuse 3, the fuse 3 conveys the current flowing through the fuse 3 to enter a high-voltage line, the fuse head end grounding switch 21 is mechanically linked with the fuse tail end grounding switch 23, when the circuit is overloaded, automatic tripping is performed, the fuse 3 is protected, and the capacitive voltage indicator 10 detects the whole circuit to ensure the circuit to work.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a gas insulation vacuum looped netowrk cabinet, includes cabinet body (1), its characterized in that: the intelligent cabinet is characterized in that a rubber insulating layer (2) is fixedly connected to the inner wall of the cabinet body (1), a three-position load switch (18) is fixedly connected to the upper portion inside the rubber insulating layer (2), an insulating gas vent (17) is formed in one side inside the three-position load switch (18), an electricity inlet wire (15) is fixedly embedded in the upper portion inside the three-position load switch (18), a movable contact (16) is hinged to the lower portion of the electricity inlet wire (15), a grounding switch contact (14) is arranged on one side of the movable contact (16), the grounding switch contact (14) is fixedly connected to one side of the inner wall of the three-position load switch (18), a closing switch contact (13) is arranged below the movable contact (16), the closing switch contact (13) is fixedly connected to the bottom of the inner wall of the three-position load switch (18), and a voltage display (5), the voltage display (5) below fixedly connected with shunt switch (6), and shunt switch (6) outer wall fixed inlay have vacuum arc-extinguishing layer (4), shunt switch (6) below fixedly connected with fuse (3), fuse (3) outside one side fixedly connected with fuse head end earthing switch (21), fuse head end earthing switch (21) one side fixedly connected with mechanical connecting rod (22), and the terminal earthing switch (23) of one end fixedly connected with fuse of mechanical connecting rod (22), fuse head end earthing switch (21)'s top fixed inlay has into electrical contact (20), it has earthing contact (19) to advance electrical contact (20) one side fixed inlay, fuse (3) one side fixedly connected with capacitive voltage indicator (10), capacitive voltage indicator (10) top fixedly connected with earthing indicator (9), the utility model discloses a cabinet, cabinet body (1) inner wall fixedly connected with secondary control room (7), secondary control room (7) below fixedly connected with main bus-bar room (8), the cabinet body (1) openly fixed inlays and has visual panel (11), handle hole (12) have been seted up to visual panel (11) below.
2. The gas insulated vacuum ring main unit as claimed in claim 1, wherein: the rubber insulating layer (2) is paved on the inner wall of the cabinet body (1).
3. The gas insulated vacuum ring main unit as claimed in claim 1, wherein: the center of the moving contact (16) is a controllable connecting rod.
4. The gas insulated vacuum ring main unit as claimed in claim 1, wherein: the fuse head end grounding switch (21) and the fuse tail end grounding switch (23) are in mechanical linkage.
5. The gas insulated vacuum ring main unit as claimed in claim 1, wherein: the visible panel (11) is an insulating panel.
6. The gas insulated vacuum ring main unit as claimed in claim 1, wherein: the inside of the operation hole (12) is fixedly connected with an insulating rubber glove.
7. The gas insulated vacuum ring main unit as claimed in claim 1, wherein: the capacitive voltage indicator (10) is directly connected to a three-position load switch (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921059236.7U CN211046229U (en) | 2019-07-09 | 2019-07-09 | Gas insulation vacuum ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921059236.7U CN211046229U (en) | 2019-07-09 | 2019-07-09 | Gas insulation vacuum ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211046229U true CN211046229U (en) | 2020-07-17 |
Family
ID=71559631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921059236.7U Expired - Fee Related CN211046229U (en) | 2019-07-09 | 2019-07-09 | Gas insulation vacuum ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211046229U (en) |
-
2019
- 2019-07-09 CN CN201921059236.7U patent/CN211046229U/en not_active Expired - Fee Related
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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: 20200717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |