CN108493827A - High-pressure inflation type switch cabinet bus switching device - Google Patents
High-pressure inflation type switch cabinet bus switching device Download PDFInfo
- Publication number
- CN108493827A CN108493827A CN201810299950.7A CN201810299950A CN108493827A CN 108493827 A CN108493827 A CN 108493827A CN 201810299950 A CN201810299950 A CN 201810299950A CN 108493827 A CN108493827 A CN 108493827A
- Authority
- CN
- China
- Prior art keywords
- connecting sleeve
- sleeve
- switch cabinet
- insulation
- switching device
- 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
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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
- H02B13/035—Gas-insulated switchgear
- H02B13/0358—Connections to in or out conductors
Abstract
The invention discloses a kind of high-pressure inflation type switch cabinet bus switching device, structure includes connecting sleeve, T-type insulating sleeve, stud, insulation closure；Wherein the cavity of T-type insulating sleeve inside left is connected with connecting sleeve, and the cavity of T-type insulating sleeve inner right side is blocked with insulation to be connected, and connecting sleeve connects insulation by stud and blocks.Advantages of the present invention：1）Directly with connecting sleeve, T-type insulating sleeve, insulate to block is assembled into one rectangular copper bus-bar, eliminates processing trouble of the complete cabinet in busbar switches through, simplifies linkage editor, facilitate gas-filling cabinet and metering cabinet, the bus adaption of high-tension boost cabinet；2）It is transferred using rectangular copper bus-bar, contact is reliable；3）It is directly transferred using rectangular copper bus-bar, is transferred with cable, copper pipe processing switching is compared, and making processing and material cost are significantly reduced.
Description
Technical field
The present invention relates to a kind of high-pressure inflation type switch cabinet bus switching devices, are suitable for high-pressure inflation type switchgear
Connection between gas tank lead and metering cabinet, high-tension boost cabinet and substitute mode belong to setting for high voltage power distributing cabinet dedicated devices
Meter and manufacturing field.
Background technology
Inlet wire end between the gas tank lead and metering cabinet, high-tension boost cabinet of domestic and international high-pressure inflation type switchgear
And exit, generally use two kinds of structure types：One is add insulating sleeve by two-way transit joint and be used as the outer of busbar
Cable connection is connect, another kind is to add insulating sleeve by two-way transit joint to connect with the external copper pipe for being used as busbar.The first
Form, when complete cabinet installs wiring, threephase cable two ends busbar must it is stripped after, then be press-fitted cable lug, pass through
Row is connect fastening bolt with inlet wire, outlet both ends again.Since high-pressure inflation type switch cabinet air box volume is limited, thirdly phase lead-out wire
Phase spacing between end is less than apart requiring for air insulation, therefore terminals must do the insulation position more than pressure resistance 80kV
Reason.This mode of connection, process is complicated, and press fitting cable lug is for example insecure, can also locally be put because contacting unreliable generation
Electricity.Another structure type is to add the cover insulation layer of insulating sleeve current-carrying capacity requirement corresponding to meeting by two-way transit joint
External copper pipe connection.External copper pipe two ends require punching press flat and punching mounting hole.Since copper pipe is connected as rigid connection,
When being connect with external busbar end, due to the requirement of phase spacing, A, C two-phase need rotational angle to increase phase spacing, with boundary rectangle mother
When line connects, copper pipe need to be bent certain angle, and bend pipe is extremely difficult, and very big inconvenience is brought to construction.Both the above bus adaption
Structure type, there is the higher defect of cost.
Invention content
Proposed by the present invention is a kind of high-pressure inflation type switch cabinet bus switching device, and the purpose is to be to solve existing skill
Between art mesohigh inflatable switch cabinet gas tank leading-out terminal and metering cabinet, high-tension boost cabinet the technical issues of bus adaption, overcome
Original structure processing is complicated, wiring is inconvenient and defect of high cost, and rectangular copper bus-bar set is used in the leading-out terminal of switching device
As the frame mode of lead-out wire in T-type insulating sleeve.This arrangement simplifies manufacturing procedures, improve the reliable of wiring
Property, reduce processing and material cost.
Technical solution of the invention：High-pressure inflation type switch cabinet bus switching device, structure include：Connector sleeve
Pipe, T-type insulating sleeve, rectangular copper bus-bar, insulation blocks and the stud of press fitting rectangular copper bus-bar.
Conducting rod is pressed in connecting sleeve, one end of conducting rod is equipped with the connecting pin to connect with two-way transit joint
Head, the other end be equipped with the nut bore that matches with stud, in connection end side equipped with matching with two-way transition connector
Conical internal cavity, connecting sleeve shape are equipped with 3 stepped profiles, and big stepped profile is mounting seat, is set respectively in the quadrangle of pedestal
It is equipped with mounting hole connected to the cabinet body, pyramidal profiles match with T-type insulating sleeve conical internal cavity.Connecting sleeve is epoxy resin
It suppresses, the metal screen layer for preventing shelf depreciation is pressed in interlayer；T-type insulating sleeve is pressed by elastic insulating material
Type.T-type insulating sleeve is sleeved on the cone and step profile of connecting sleeve.Rectangular copper bus-bar is sleeved on T-type insulating sleeve
Rectangle square groove in, one end connects with the end face of connecting sleeve conducting rod, and the other end exposes outside T-type insulating sleeve rectangle square groove
Outside, bendable any angle and it is connected with external busbar by mounting hole.Rectangular copper bus-bar is pressed by stud, ensures outlet
It is reliable to terminate contacting surface connection.
It is blocked equipped with the tapered insulation of shape band in the other side of T-type insulating sleeve, tapered shape and T-type insulation sleeve
Conical internal cavity matches, and insulation blocks the nut bore for being equipped with and matching with stud, and the other end is equipped with interior corner apertures, will be insulated with facilitating
Closure is pressed.
High-pressure inflation type switch cabinet bus switching device is by two-way transit joint and is inlaid in high-pressure inflation type switchgear
Leading-out terminal on gas tank is connected, to achieve the purpose that high-pressure inflation type switch cabinet outlet is transferred.
Advantages of the present invention：
1）Directly with connecting sleeve, T-type insulating sleeve, insulate to block is assembled into one rectangular copper bus-bar, eliminates complete cabinet and exists
Processing during busbar switches through bothers, and simplifies linkage editor, and the busbar for facilitating gas-filling cabinet and metering cabinet, high-tension boost cabinet turns
It connects；
2）It is transferred using rectangular copper bus-bar, contact is reliable；
3）Directly transferred using rectangular copper bus-bar, with cable transfer, copper pipe processing switching compare, significantly reduce making processing and
Material cost.
Description of the drawings
Fig. 1 is the structural profile illustration of high-pressure inflation type switch cabinet bus switching device.
Fig. 2 is connecting sleeve structural schematic diagram.
Fig. 3 is T-type insulating sleeve structure schematic diagram.
Fig. 4 is the installation diagram of high-pressure inflation type switch cabinet bus switching device.
1 it is connecting sleeve in figure, 2 be T-type insulating sleeve, 3 be stud, 4 is that insulation blocks, 5 is rectangle square groove, 6
It is rectangular copper bus-bar, 7 is metal screen layer, 8 is connection end, 9 is two-way transit joint, 10 is mounting hole, 11 is switchgear
Gas tank leading-out terminal casing.
Specific implementation mode
Technical scheme of the present invention is described further below according to attached drawing.
As shown in Figure 1, high-pressure inflation type switch cabinet bus switching device, structure includes connecting sleeve 1, T-type insulation sleeve
Pipe 2, stud 3, insulation block 4；Wherein the cavity of 2 inside left of T-type insulating sleeve is connected with connecting sleeve 1, T-type
The cavity of 2 inner right side of insulating sleeve blocks 4 with insulation and is connected, and connecting sleeve 1 connects insulation by stud 3 and blocks
4。
As shown in Fig. 2, the connecting sleeve 1 is using epoxy resin processing compacting, inside be pressed with conducting rod, it is conductive
One end of bar is equipped with the connection end 8 that connects with two-way transit joint, and the other end of conducting rod is equipped with to match with stud 3
Nut bore；The outer pars intramuralis of 1 left side cavity of connecting sleeve is embedded with metal screen layer 7；Outer surface on the left of connecting sleeve is equipped with 3
A stepped profile, maximum stepped profile are mounting seat, and 4 jiaos of mounting seat are respectively equipped with 1 mounting hole 10, are installed
Fixation is bolted with switch cabinet wall in hole 10.
As shown in figure 3, the T-type insulating sleeve 2 uses elastic insulating material, such as silicon rubber compression moulding, lower end
Equipped with 1 rectangle square groove 5, rectangular copper bus-bar 6 is sleeved in rectangle square groove 5,6 one end of rectangular copper bus-bar be equipped with through-hole, and with even
The end face of 1 conducting rod of female connector pipe connects, and the other end exposes outside outside rectangle square groove 5, bendable any angle, and passes through 2 mounting holes
It is connected with external busbar.
The insulation blocks 4, and tapered shape matches with T-type insulating sleeve conical internal cavity, insulation block be equipped with it is double
The nut bore that hook bolt 3 matches, the other end are equipped with rectangular interior corner apertures, are pressed insulation closure 4 with facilitating.
As shown in figure 4, when assembly, connecting sleeve 1 is smeared into lubricating grease, is closely matched with the cavity in 2 left side of T-type insulating sleeve
Connection is closed, rectangular copper bus-bar 6 is compressed with the end face of 1 conducting rod of connecting sleeve by stud 3 and is connected, and is insulated in T-type
The cavity inside installation insulation closure 4 on 2 right side of casing, insulation blocks 4, and T-type insulating sleeve 2 and the whole compression of connecting sleeve 1 is solid
It is fixed.Simultaneously by the copper pipe inside two-way transit joint 9, by the leading-out terminal and connecting sleeve of switch cabinet air box leading-out terminal casing 11
Connection end 8 inside 1 interconnects.4 mounting holes 10 on 1 pedestal of connecting sleeve are connect by bolt with switch cabinet wall
It is fixed.
Claims (6)
1. high-pressure inflation type switch cabinet bus switching device, it is characterized in that including connecting sleeve（1）, T-type insulating sleeve（2）, it is double
Hook bolt（3）, insulation block（4）；Wherein T-type insulating sleeve（2）The cavity and connecting sleeve of inside left（1）It is connected, T
Type insulating sleeve（2）The cavity of inner right side is blocked with insulation（4）It is connected, connecting sleeve（1）Pass through stud（3）Even
Insulation is connect to block（4）.
2. high-pressure inflation type switch cabinet bus switching device according to claim 1, it is characterized in that the connecting sleeve
（1）It is processed and is suppressed using epoxy resin, connecting sleeve（1）Inside be pressed with conducting rod, one end of conducting rod is equipped with connecting pin
Head（8）, the other end of conducting rod is equipped with and stud（3）The nut bore of matching.
3. high-pressure inflation type switch cabinet bus switching device according to claim 1, it is characterized in that the connecting sleeve
（1）The outer pars intramuralis of left side cavity is embedded with metal screen layer（7）, connecting sleeve（1）Left end be equipped with mounting seat, install bottom
The quadrangle of seat is respectively equipped with 1 mounting hole（10）.
4. high-pressure inflation type switch cabinet bus switching device according to claim 1, it is characterized in that the T-type insulation sleeve
Pipe（2）Using elastic insulating material compression moulding, T-type insulating sleeve（2）Lower end be equipped with rectangle square groove（5）, rectangle square groove（5）
Inside it is set with rectangular copper bus-bar（6）, rectangular copper bus-bar（6）One end and connecting sleeve（1）The end face of conducting rod connects, other end dew
Go out rectangle square groove（5）Outside, and equipped with 2 mounting holes it is connected with external busbar.
5. high-pressure inflation type switch cabinet bus switching device according to claim 1, it is characterized in that the insulation blocks
（4）One end be equipped with and stud（3）The nut bore of matching, the other end are equipped with rectangular interior corner apertures.
6. high-pressure inflation type switch cabinet bus switching device as described in claim 1, it is characterised in that：When assembly, it will connect
Casing（1）Lubricating grease is smeared, with T-type insulating sleeve（2）The cavity in left side is closely connected, and passes through stud（3）By square
Shape copper busbar（6）With connecting sleeve（1）The end face of conducting rod, which compresses, to connect, and in T-type insulating sleeve（2）The cavity inside on right side
Installation insulation blocks（4）, insulation closure（4）Pass through the nut bore and stud of bottom（3）Connection, by T-type insulating sleeve（2）
With connecting sleeve（1）Entirety is fixed；Pass through two-way transit joint（9）Internal copper pipe, by switch cabinet air box outlet end cap
Pipe（1）1 leading-out terminal and connecting sleeve（1）Internal connection end（8）It interconnects, connecting sleeve（1）4 peaces on pedestal
Fill hole（10）It is connected and fixed by bolt and switch cabinet wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810299950.7A CN108493827A (en) | 2018-04-04 | 2018-04-04 | High-pressure inflation type switch cabinet bus switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810299950.7A CN108493827A (en) | 2018-04-04 | 2018-04-04 | High-pressure inflation type switch cabinet bus switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108493827A true CN108493827A (en) | 2018-09-04 |
Family
ID=63314794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810299950.7A Pending CN108493827A (en) | 2018-04-04 | 2018-04-04 | High-pressure inflation type switch cabinet bus switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108493827A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766486A (en) * | 2020-07-31 | 2020-10-13 | 珠海天欧电气有限公司 | Aerify cabinet power frequency withstand voltage test lead device |
| CN112485474A (en) * | 2020-11-06 | 2021-03-12 | 广东电网有限责任公司广州供电局 | Experimental connecting device of cubical switchboard |
| EP3893342A1 (en) * | 2020-04-09 | 2021-10-13 | Siemens Aktiengesellschaft | Cable connection |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979773A (en) * | 2015-07-14 | 2015-10-14 | 山东泰开高压开关有限公司 | 252kV ground tank-type fully-enclosed combined electric appliance |
| CN105958319A (en) * | 2016-06-08 | 2016-09-21 | 江苏电科电气设备有限公司 | PT cabinet casing pipe and bus connection device |
| CN208127742U (en) * | 2018-04-04 | 2018-11-20 | 广东旭东电力科技有限公司 | High-pressure inflation type switch cabinet bus switching device |
-
2018
- 2018-04-04 CN CN201810299950.7A patent/CN108493827A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979773A (en) * | 2015-07-14 | 2015-10-14 | 山东泰开高压开关有限公司 | 252kV ground tank-type fully-enclosed combined electric appliance |
| CN105958319A (en) * | 2016-06-08 | 2016-09-21 | 江苏电科电气设备有限公司 | PT cabinet casing pipe and bus connection device |
| CN208127742U (en) * | 2018-04-04 | 2018-11-20 | 广东旭东电力科技有限公司 | High-pressure inflation type switch cabinet bus switching device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3893342A1 (en) * | 2020-04-09 | 2021-10-13 | Siemens Aktiengesellschaft | Cable connection |
| CN111766486A (en) * | 2020-07-31 | 2020-10-13 | 珠海天欧电气有限公司 | Aerify cabinet power frequency withstand voltage test lead device |
| CN112485474A (en) * | 2020-11-06 | 2021-03-12 | 广东电网有限责任公司广州供电局 | Experimental connecting device of cubical switchboard |
| CN112485474B (en) * | 2020-11-06 | 2024-03-22 | 广东电网有限责任公司广州供电局 | Switch cabinet test connection device |
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