CN202840354U - Busbar for housing of gas insulated switchgear - Google Patents
Busbar for housing of gas insulated switchgear Download PDFInfo
- Publication number
- CN202840354U CN202840354U CN201220430239.9U CN201220430239U CN202840354U CN 202840354 U CN202840354 U CN 202840354U CN 201220430239 U CN201220430239 U CN 201220430239U CN 202840354 U CN202840354 U CN 202840354U
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- CN
- China
- Prior art keywords
- intermediate plate
- insulated switchgear
- perforate
- nut
- clamping pieces
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- 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 - Lifetime
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Abstract
Provided is a busbar for a housing of a gas insulated switchgear (GIS). The busbar comprises a connecting piece and two C-shaped clamping pieces. The opening directions of the two C-shaped clamping pieces are opposite. The bottoms of the two C-shaped clamping pieces both have open holes, the bottom of one clamping piece is arranged on the bottom of the other clamping piece, and the open holes in the bottoms of the two C-shaped clamping pieces are opposite in a up-and-down manner. The connecting piece penetrates through the open holes in the bottoms of the two clamping pieces and fixes the two clamping pieces together. The upper clamping piece is relatively small in height, so that a clamping port is formed with the tops of the two clamping pieces in a face-to-face manner. The width of the clamping port is corresponding to the total thickness of two flanges oppositely fixed together. The busbar is connected with the two flanges oppositely fixed on the housing of the GIS through the two clamping pieces, so that a problem that local heating of the housing of the GIS is effectively solved; the busbar is directly installed at the opposite surfaces of the two flanges through the clamping pieces, so that installation can be completed at a power-on state; and the original connection structure of the two flanges is not loosened, so that the airtight structure of the GIS will not be affected at all after the busbar is installed.
Description
Technical field
The utility model relates to a kind of earthing device of Cubicle Gas-Insulated Switchgear, is specifically related to a kind of Cubicle Gas-Insulated Switchgear shell bus-bar.
Background technology
Cubicle Gas-Insulated Switchgear is by being sealed in 7 kinds of high voltage distribution installations that High-Voltage Electrical Appliances combine such as circuit breaker in the grounded metal enclosure, bus, isolating switch, voltage transformer, current transformer, lightning arrester, sleeve pipe.
In the Cubicle Gas-Insulated Switchgear (being called for short GIS) of 110kV and above, because bus is by very large alternating current, the GIS shell is subject to the effect of bus alternating magnetic field and produces induced current, and its numerical value probably is equivalent to 70%～90% of bus current.
The GIS shell is generally formed by ring flange and the bolt serial connection of some joint metal cylinders by its periphery, end, scribbles fluid sealant between the two relative ring flanges, guaranteeing the air-tightness of GIS shell integral body.Each saves metal cylinder and realizes electrical communication by the contact of flange interface, so that the metal cylinder that respectively saves of GIS shell can both be by several earth point ground connection on the GIS shell.In running, find, owing to the insulating properties of fluid sealant, increased the contact resistance of flange interface, make GIS shell ring flange place the defective of local pyrexia occur easily.
The problem of the above-mentioned local pyrexia of determining is mediated by the design water conservancy diversion by some manufacturers, described water conservancy diversion row is a U-shaped copper sheet, two ends have perforate, when carrying out the assembling of GIS shell, the copper sheet two ends are pressed on the phase back side of two ring flanges of docking, two adjacent joint metal cylinders make perforate on the copper sheet and the screw contraposition at ring flange edge, and the bolt by connecting two ring flanges are contained in the phase back side of the ring flanges of two docking with described copper piece clip, so that can also pass through the copper sheet conducting.
Above-mentioned water conservancy diversion row can solve the defective of GIS shell local pyrexia well, if but want to apply it on the GIS of on-line operation, at first need GIS is had a power failure comprehensively, in addition, because the bolt that above-mentioned water conservancy diversion row is installed to be needed will be fixed on the ring flange first unloads, the air-tightness that this very easily destroys GIS causes various security incidents.
The utility model content
Technical problem to be solved in the utility model provides a kind of defective that can not only solve the local pyrexia of GIS shell, and can finish installation under live state, does not affect the GIS shell flange bus-bar of GIS airtight construction after the installation.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is as follows: a kind of Cubicle Gas-Insulated Switchgear shell bus-bar, it is characterized in that, the intermediate plate that comprises connector and two C shapes, two clip openings directions are relative, the bottom all has perforate, the bottom of an intermediate plate places on the bottom of another intermediate plate, two intermediate plate bottom opening are relative up and down, described connector passes two intermediate plate bottom opening two intermediate plates is fixed together, the intermediate plate height that is in the top is shorter, so that jaws is formed relatively on the top of two intermediate plates, the width of described jaws is corresponding with the gross thickness of relative two ring flanges that are fixed together.
Do not relatively rotate for making between two intermediate plates, make the structure of described bus-bar more stable, the perforate of described intermediate plate bottom is two, arranges along intermediate plate bottom width direction.
As to further improvement of the utility model, be in the slotted hole of perforate for offering along intermediate plate bottom lengths direction of the intermediate plate bottom of below, in order to regulate the width of two intermediate plate jaws by described slotted hole, thus the ring flange of adaptation different-thickness.
As further improving of the present utility model, be in that also to be provided with perforate on the vertical connecting portion between the top and bottom of described intermediate plate be connecting hole, the top of the more close intermediate plate of described connecting hole, connecting hole on two intermediate plates is just in time relative, one screw rod is horizontally through two connecting holes, and by nut from screw rod two ends sockets, in order to when rotating nut, utilize nut to make the jaws both sides more close to the squeezing action of intermediate plate outer wall, thereby two intermediate plates can better be communicated with two ring flanges that are sandwiched in therebetween.
For simplifying structure of the present utility model, the perforate that is in the intermediate plate bottom of top is screw, described connector is bolt, bolt directly screws in from two intermediate plates bottom, can be threaded connection the phase tightening with the intermediate plate that is in the top, need not to add in addition the parts such as nut, and bolt installs outside to inside from bus-bar directly, also can reduce installation difficulty.
As preferred implementation of the present utility model, described intermediate plate is copper material, can reduce bus-bar resistance, reduces heating, and described screw rod, nut are stainless steel, can effectively prevent the corrosion function of rainwater.
In order to make structure of the present utility model more stable, all be provided with pad and spring shim between the head of described bolt and the intermediate plate, also all be provided with pad and spring shim between described nut and the intermediate plate.
Relative prior art the utlity model has following beneficial effect:
1) bus-bar of the present utility model is communicated with two ring flanges that relatively are fixed together on the GIS shell by two intermediate plates, can effectively solve the problem of GIS shell local pyrexia; Bus-bar of the present utility model is to utilize intermediate plate directly to be installed on the phase back side of two ring flanges, so can under live state, finish installation, and, owing to two ring flanges syndeton is not originally had any becoming flexible, so the utility model does not affect the airtight construction of GIS fully after installation;
2) intermediate plate of the utility model bus-bar makes the jaws width at two intermediate plate tops adjustable by slotted hole is set, and makes bus-bar of the present utility model can adapt to the ring flange of different-thickness, has better versatility;
3) be equipped with on the connecting portion of the utility model intermediate plate for the bolt of finely tuning the jaws width, make bus-bar and ring flange have better the contact, can better guarantee the electrically conducting between bus-bar and the ring flange.
Description of drawings
Fig. 1 is the front view of the bus-bar of the utility model preferred embodiment;
Fig. 2 is the right view of the bus-bar of the utility model preferred embodiment;
Fig. 3 is the upward view of the bus-bar of the utility model preferred embodiment.
Embodiment
As shown in Figure 1, 2, 3, the GIS shell bus-bar of preferred embodiment of the present utility model comprises the intermediate plate 1,2 and connector of two C shapes, and two intermediate plates 1,2 opening directions are relative, and the bottom all has two perforates, arranges along intermediate plate bottom width direction.The bottom of an intermediate plate 2 places on the bottom of another intermediate plate 1, and two intermediate plates 1,2 bottom opening are relative up and down.Wherein, be in the slotted hole 101 of perforate for offering along intermediate plate 1 bottom lengths direction of intermediate plate 1 bottom of below, the perforate that is in intermediate plate 2 bottoms of top is screw, connector is bolt 3 in the present embodiment, bolt 3 passes two intermediate plates 1,2 bottom opening from the bus-bar bottom, can be threaded connection the phase tightening with the intermediate plate 2 that is in the top.All be provided with pad 8 and spring shim 7 between the head of bolt 3 and the intermediate plate 1,2, in order to make syndeton more stable.
The intermediate plate 2 that is in the top is highly shorter, so that jaws 4 is formed relatively on two intermediate plates 1,2 top, the width of jaws 4 is corresponding with the gross thickness of relative two ring flanges that are fixed together, and can regulate the width of two intermediate plates 1,2 jaws 4 by slotted hole 101, thereby adapts to the ring flange of different-thickness.
Be in that also to be provided with perforate on the vertical connecting portion 102,202 between intermediate plate 1,2 the top and bottom be connecting hole, the more close intermediate plate 1 of connecting hole, 2 top, connecting hole on two intermediate plates 1,2 is just in time relative, one screw rod 5 is horizontally through two connecting holes, and be socketed from screw rod 5 two ends by nut 6, in order to when rotating nut 6, utilize the squeezing action of 6 pairs of intermediate plates 1 of nut, 2 outer walls to make jaws 4 both sides more close, thereby two intermediate plates 1,2 can better be communicated with two ring flanges that are sandwiched in therebetween.Also all be provided with pad 8 and spring shim 7 between nut 6 and the intermediate plate 1,2.
Intermediate plate 1 of the present utility model, 2 all is copper material, can reduce bus-bar resistance, reduces heating, and screw rod, nut etc. are stainless steel, can effectively prevent the corrosion function of rainwater.
Above-mentioned embodiment only is a specific embodiment of the present utility model, can not be as the restriction to the utility model protection range.
Claims (7)
1. Cubicle Gas-Insulated Switchgear shell bus-bar, it is characterized in that, the intermediate plate that comprises connector and two C shapes, two clip openings directions are relative, the bottom all has perforate, the bottom of an intermediate plate places on the bottom of another intermediate plate, two intermediate plate bottom opening are relative up and down, described connector passes two intermediate plate bottom opening two intermediate plates is fixed together, the intermediate plate height that is in the top is shorter, so that jaws is formed relatively on the top of two intermediate plates, the width of described jaws is corresponding with the gross thickness of relative two ring flanges that are fixed together.
2. Cubicle Gas-Insulated Switchgear shell bus-bar according to claim 1 is characterized in that, the perforate of described intermediate plate bottom is two, arranges along intermediate plate bottom width direction.
3. Cubicle Gas-Insulated Switchgear shell bus-bar according to claim 2, it is characterized in that, be in the slotted hole of perforate for offering along intermediate plate bottom lengths direction of the intermediate plate bottom of below, in order to regulate the width of two intermediate plate jaws by described slotted hole, thus the ring flange of adaptation different-thickness.
4. according to claim 1 to 3 each described Cubicle Gas-Insulated Switchgear shell bus-bars, it is characterized in that, be in that also to be provided with perforate on the vertical connecting portion between the top and bottom of described intermediate plate be connecting hole, the top of the more close intermediate plate of described connecting hole, connecting hole on two intermediate plates is just in time relative, one screw rod is horizontally through two connecting holes, and be socketed from the screw rod two ends by nut, in order to when rotating nut, utilize nut to make the jaws both sides more close to the squeezing action of intermediate plate outer wall, thereby two intermediate plates can better be communicated with two ring flanges that are sandwiched in therebetween.
5. Cubicle Gas-Insulated Switchgear shell bus-bar according to claim 4, it is characterized in that, the perforate that is in the intermediate plate bottom of top is screw, described connector is bolt, bolt directly screws in from two intermediate plates bottom, can be threaded connection the phase tightening with the intermediate plate that is in the top.
6. Cubicle Gas-Insulated Switchgear shell bus-bar according to claim 5 is characterized in that, described intermediate plate is copper material, and described screw rod, nut are stainless steel.
7. Cubicle Gas-Insulated Switchgear shell bus-bar according to claim 6 is characterized in that, all is provided with pad and spring shim between the head of described bolt and the intermediate plate, also all is provided with pad and spring shim between described nut and the intermediate plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220430239.9U CN202840354U (en) | 2012-08-28 | 2012-08-28 | Busbar for housing of gas insulated switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220430239.9U CN202840354U (en) | 2012-08-28 | 2012-08-28 | Busbar for housing of gas insulated switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202840354U true CN202840354U (en) | 2013-03-27 |
Family
ID=47951972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220430239.9U Expired - Lifetime CN202840354U (en) | 2012-08-28 | 2012-08-28 | Busbar for housing of gas insulated switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202840354U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464280A (en) * | 2015-07-01 | 2016-04-06 | 胡崇亮 | Detachable type corner suspended ceiling layer and forming method thereof |
| CN106486897A (en) * | 2016-09-29 | 2017-03-08 | 河南平高电气股份有限公司 | Busbar assembly and bus connection structure |
-
2012
- 2012-08-28 CN CN201220430239.9U patent/CN202840354U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464280A (en) * | 2015-07-01 | 2016-04-06 | 胡崇亮 | Detachable type corner suspended ceiling layer and forming method thereof |
| CN105464280B (en) * | 2015-07-01 | 2018-02-23 | 佛山市好漂亮建材科技有限公司 | A kind of reassembling type corner furred ceiling layer and forming method thereof |
| CN106486897A (en) * | 2016-09-29 | 2017-03-08 | 河南平高电气股份有限公司 | Busbar assembly and bus connection structure |
| CN109244846A (en) * | 2016-09-29 | 2019-01-18 | 河南平高电气股份有限公司 | Busbar assembly and bus connection structure |
| CN109244846B (en) * | 2016-09-29 | 2020-10-02 | 河南平高电气股份有限公司 | Bus assembly and bus connection structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |