CN105186352A - Outside transversely arranged high-voltage switches and fuse protector combined air tank - Google Patents
Outside transversely arranged high-voltage switches and fuse protector combined air tank Download PDFInfo
- Publication number
- CN105186352A CN105186352A CN201510692486.4A CN201510692486A CN105186352A CN 105186352 A CN105186352 A CN 105186352A CN 201510692486 A CN201510692486 A CN 201510692486A CN 105186352 A CN105186352 A CN 105186352A
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- China
- Prior art keywords
- phase
- storehouse
- molten
- voltage switch
- switch gear
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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.)
- 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
- H02B13/0352—Gas-insulated switchgear for three phase switchgear
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
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- 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
- H02B13/045—Details of casing, e.g. gas tightness
Abstract
The invention relates to the technical field of manufacturing of high-voltage electrical switch equipment, and aims at providing an outside transversely arranged high-voltage switches and fuse protector combined air tank, and aims at solving the problems of low integration level, operation and maintenance inconvenience and the like caused by diverse variety and scattered distribution of components of a pole-mounted switch equipment in the prior art. The high-voltage switch air tank comprises a fusing chamber, a switch chamber, a three-station high-voltage switch, a high-voltage lead-in bushing, a lead-out bushing, an expansion bushing or a high-voltage inner cone, a partition plate 16 and a decompression sleeve part. The high-voltage switch and fuse protector combined air tank is characterized in that the fusing chamber and the switch chamber are horizontally arranged and share one air tank; the partition plate is arranged between the fusing chamber and the switch chamber; and a 1-2mm gap is formed between the partition plate and a rear plate. By an integrated and combined structure design, the high-voltage switch air tank has the advantages of air tank sealing, sulfur hexafluoride gas insulation and surface shielding; and the personal safety and the operation safety of equipment are fully ensured.
Description
Technical field
The present invention relates to high-voltage electric switch unit manufacturing technology field, particularly a kind of high-voltage switch gear gas tank for power distribution network outdoor compact type intelligent substation.
Background technology
In the power distribution network of China, also there is on-pole switch equipment, particularly in rural area 10kV power distribution network, form transformer substation system by high voltage drop-out type fuse cutout, high-voltage arrester, pole type transformer, low-tension distribution box etc. on high-voltage switch gear, post on post.Equipment in this system is scattered is distributed in plateau on post, electric equipment is in atmosphere exposed, equipment corrosion, aging and be subject to the problems such as outside destroy be difficult to solve, exposed energized conductor fault and potential safety hazard many, cause live line working inconvenience, the fail safe that distribution transformer runs, poor reliability, operation maintenance management inconvenience simultaneously, difficulty and the complexity of operation and maintenance work are high.Publication number 201781218U discloses a kind of on-load switch and fuse combined cabinet, on-load switch is placed in sulfur hexafluoride gas-insulating gas tank, and fuse is placed in the molten storehouse be made up of epoxy resin, is positioned at the bottom of gas tank.Disclosed in this patent documentation, technical scheme is integrated with high voltage load switch and fuse, but also there is the low problem with not meeting outdoor service conditions of integrated level, and as molten storehouse exposes in atmosphere, excessive height is unfavorable for operation maintenance.Because Rural Electric Power duty ratio is comparatively disperseed, in order to investment reduction needs dilatation problem and the multiloop outlet problem of resolution system.Publication number 103378564A discloses a kind of cable branch box gas tank, discloses the technical scheme of on-load switch and multiloop outlet, but does not consider the integrated of the components and parts such as fuse.
Summary of the invention
The object of this invention is to provide a kind of high-voltage switch gear gas tank of outdoor compact type intelligent substation, to solve the problems such as the integrated level that on prior art center pillar, many, the scattered distributions of switchgear components and parts kind bring is low, operation maintenance is inconvenient.Central scope of the present invention is: adopt integration, knockdown structural design, and gas tank sealing, sulfur hexafluoride gas-insulating, surface shielding, fully guarantee personal safety and the security of operation of equipment.
To achieve these goals, technical scheme of the present invention is: the high-voltage switch gear that a kind of open air is transversely arranged and fuse combination gas tank, comprise molten bin 1, switch gear room 2, three station high-voltage switch gear 3, Petersen coil 4, high pressure entrance bushing 5, outlet casing tube, expansion sleeve pipe or high pressure Inner cone, barometer base 15, dividing plate 16, pressure release external member 17, dry component 21, it is characterized in that: molten bin 1 and switch gear room 2 are in horizontally sharing a gas tank, melt and be provided with dividing plate 16 between bin 1 and switch gear room 2, dividing plate 16 and rear plate have the gap of 1 ~ 2 millimeter.C phase melts storehouse 9, the molten storehouse 12 of B phase, the distribution in isosceles triangle of the molten storehouse 11 of A phase, and dividing plate 16 is provided with snapping hole 32, above crosses line window 33, played line window 34, location square hole 35, and rear plate 23 is provided with fastener 22 and coordinates with snapping hole 32 and fix rear plate 23.Insulator bracket one end is embedded in the square hole 35 of location, and be welded and fixed, insulator 20 is arranged on insulator bracket, and C phase molten storehouse inlet wire copper bar 25 is fixed on insulator 20, B phase molten storehouse inlet wire copper bar 39 and is fixed on B phase supporting insulator 40.C phase molten storehouse inlet wire copper bar 25, B phase molten storehouse inlet wire copper bar 39 and A phase molten storehouse inlet wire copper bar 24 are all connected with the C phase moving knife seat 38 of three station high-voltage switch gears 3, B phase moving knife seat 37, A phase moving knife seat 36 respectively through the line window 34 that played of dividing plate 16.The earth terminal in C phase earthing bar 10, B phase earthing bar 13 and A phase grounding copper bar 14 earth terminal in storehouse 9 molten with C phase, the earth terminal in the molten storehouse 12 of B phase and the molten storehouse 11 of A phase is respectively connected and the upper mistake line window 33 passing dividing plate 16 is connected with the quiet tool rest of earth terminal of three station high-voltage switch gears 3.High pressure entrance bushing 5 connects the quiet tool rest 19, A of three station high-voltage switch gears 3 by copper bar, B, C tri-parallels distribution.C phase outlet casing tube 6 is connected with copper bar with the leading-out terminal in the molten storehouse 9 of C phase, and B phase outlet casing tube 7 is connected with copper bar with the leading-out terminal in the molten storehouse 12 of B phase, and A phase outlet casing tube 8 is connected with copper bar with the leading-out terminal in the molten storehouse 11 of A phase.C phase expands sleeve pipe 29, B phase expands sleeve pipe 30, A phase is expanded sleeve pipe 31 and to be connected with copper bar with the terminals of C phase outlet casing tube 6, B phase outlet casing tube 7, A phase outlet casing tube 8 respectively or the leading-out terminal in storehouse 9 molten with C phase, the leading-out terminal in the molten storehouse 12 of B phase, the leading-out terminal in the molten storehouse 11 of A phase are connected with copper bar respectively.C phase molten storehouse outlet copper bar 26, B phase molten storehouse outlet copper bar 27, A phase molten storehouse outlet copper bar 28 are connected with C phase outlet casing tube 6, B phase outlet casing tube 7, A phase outlet casing tube 8 respectively.
C phase expands sleeve pipe 29, B phase expands sleeve pipe 30, A phase is expanded sleeve pipe 31 and can be connected lightning arrester or high pressure P T.Molten bin 1 or switch gear room 2 base plate can also increase by one group of high pressure inner cone, and the C phase moving knife seat 38 of the leading-out terminal in storehouse 9 molten with C phase, the leading-out terminal in the molten storehouse 12 of B phase, the leading-out terminal in the molten storehouse 11 of A phase or three station high-voltage switch gears 3, B phase moving knife seat 37, A phase moving knife seat 36 are connected respectively.Adopt above-mentioned connected mode, high-voltage switch gear gas tank can be connected with transformer by sleeve pipe, do not need to use cable to connect, simplify connected mode, decrease installing space and saved cost.Connecting the expansion inner cone of molten bin 1 or switch gear room 2 base plate, than use sleeve pipe connecting joint save space, simultaneously when not needing this expansion, can seal with plug.One group of high pressure inner cone that can increase at switch gear room 2 base plate can also be connected with the quiet tool rest 19 of three station high-voltage switch gears 3, as high pressure end of incoming cables, realizes double-bus linkage function.
Barometer base 15 vacuumizing for gas tank, perfusion sulfur hexafluoride gas or other insulating gas, and connect air gauge or density meter.The remote monitoring of the insulating capacity of the insulating gas in gas tank can also be realized during Connection Density transducer.
Due to existence electrodynamic during conducting, when connecting wire insufficient strength, can vibration be produced, destroy the Electric Field Distribution of gas tank inside, affect the insulating capacity insulated between alternate and phase ground.Therefore do not advise using annealed copper wire as connection wire.Because Rural Power Distribution Network on-pole switch capacity is less, rated current is generally no more than 630A, and most of rated current is less than 100A, and cylindrical, copper wire can be selected to replace copper bar.When small area analysis, cylindrical, copper wire is more conducive to Bending Processing, is beneficial to tissue and produces.Because the distance of B phase molten storehouse inlet wire copper bar 39, C phase molten storehouse inlet wire copper bar 25 compares length and parallel distribution relative to A, in order to prevent the oscillatory occurences of copper bar to reduce insulating capacity, have employed supporting insulator 20, B phase supporting insulator 40 is reinforced.
In order to improve rear plate intensity, the snapping hole 32 on rear plate 23 takes interference fit with the fastener 22 on dividing plate 16.For the ease of assembling, fastener 22 front end adopts arc-shaped structure.
Molten storehouse and the transversely arranged height reducing gas tank in switch gear room, the isosceles triangle distribution in molten storehouse decreases the width of gas tank, and above-mentioned layout solves the integrated and miniaturized technical problem in switch and molten storehouse.Dividing plate 16 strengthens the intensity of gas tank, and the design that fastener 22 coordinates with snapping hole 32 solves the gas tank problem on deformation that the air pressure change brought due to temperature Change after gas tank is inflated causes, and is convenient to production and assembly simultaneously.
Pressure release external member 17 prevents the high pressure draught that produces during fault to the injury of equipment and personnel, avoids the expansion of fault.Dry component 21 solves in gas tank and remains steam to the impact of electric property.Pressure release thin plate in pressure release external member 17 is 0.5 ~ 1 millimeters thick aluminium sheet, the preferably aluminium sheet of 0.8 millimeter.The pressure release thin plate of pressure release external member 17 can also select transparent material, as toughened glass, polymethyl methacrylate etc.Because pressure release external member 17 is positioned at above three station high-voltage switch gears 3, the fracture that can realize three station high-voltage switch gears 3 after adopting transparent material is visual.Be convenient to the moving knife position of operation and maintenance personal observations to three station high-voltage switch gears 3.
Dry air or sulfur hexafluoride gas or other insulating gas can be filled in gas tank, improve the insulating capacity of three station high-voltage switch gears 3, molten storehouse and conductive devices.
After high pressure three-station, high-voltage fuse storehouse adopt horizontally-arranged structure, the height of gas tank obtains remarkable reduction, can also increase by 1 group or 2 groups of expansion inner cones simultaneously, for the dilatation of distribution load, can reduce System Expansion cost in the bottom of gas tank.Bottom increases assembly difficulty when expansion inner cone can also reduce integrated with transformer simultaneously.
Adopt technique scheme, the present invention compared with prior art has following beneficial effect:
1, compared with the scattered distribution of existing on-pole switch electrical equipment, gas tank is adopted to be integrated together by the electric elements such as high pressure three-station, high-voltage fuse storehouse, and adopt sulfur hexafluoride gas-insulating, improve fail safe and the insulation level of system cloud gray model, significantly reduce and take up room, facilitate the maintenance of operations staff to reduce maintenance workload simultaneously.
2, after high pressure three-station, high-voltage fuse storehouse adopt horizontally-arranged structure, the height of gas tank obtains remarkable reduction, can also increase by 1 group or 2 groups of expansion inner cones simultaneously, for the dilatation of distribution load, can reduce System Expansion cost in the bottom of gas tank.
3, adopt gas tank structure, high pressure three-station, high-voltage fuse storehouse achieve non-maintaining.Gas tank integrated design, does not have energized conductor in atmosphere exposed, decreases maintenance workload, improves reliability and the fail safe of operation power.
4, the design of high pressure expansion inner cone, easily can carry out the dilatation of system, meet the needs of economic development and saved investment.
Accompanying drawing explanation
Fig. 1 is the front view removing rear plate of the embodiment of the present invention.
Fig. 2 is the vertical view removing top board of the embodiment of the present invention.
Fig. 3 is the A_A cross sectional plan view of the embodiment of the present invention.
Fig. 4 is the left view of the dividing plate of the embodiment of the present invention.
Label in accompanying drawing: molten bin 1, switch gear room 2, three station high-voltage switch gears 3, Petersen coil 4, high pressure entrance bushing 5, C phase outlet casing tube 6, B phase outlet casing tube 7, A phase outlet casing tube 8, C phase melts storehouse 9, C phase earthing bar 10, A phase melts storehouse 11, B phase melts storehouse 12, B phase grounding copper bar 13, A phase grounding copper bar 14, barometer base 15, dividing plate 16, pressure release external member 17, inlet wire copper bar 18, the quiet tool rest 19 of switch, supporting insulator 20, dry component 21, fastener 22, rear plate 23, A phase molten storehouse inlet wire copper bar 24, C phase molten storehouse inlet wire copper bar 25, C phase molten storehouse outlet copper bar 26, B phase molten storehouse outlet copper bar 27, A phase molten storehouse outlet copper bar 28, C phase expands sleeve pipe 29, B phase expands sleeve pipe 30, A phase expands sleeve pipe 31, snapping hole 32, upper line window 33 excessively, lower line window 34 excessively, location square hole 35, A phase moving knife seat 36, B phase moving knife seat 37, C phase moving knife seat 38, B phase molten storehouse inlet wire copper bar 39, B phase supporting insulator 40.
Embodiment
The following description is only exemplary and be not to limit the disclosure, application or purposes in essence.Below in conjunction with Figure of description, the specific embodiment of the present invention is further described.
Embodiment 1: as shown in Figure 1 and Figure 2, the high-voltage switch gear that open air is transversely arranged and a fuse combination gas tank, comprise molten bin 1, switch gear room 2, three station high-voltage switch gear 3, Petersen coil 4, high pressure entrance bushing 5, outlet casing tube, expansion sleeve pipe or high pressure Inner cone, barometer base 15, dividing plate 16, pressure release external member 17, dry component 21.Molten bin 1 and switch gear room 2 are in horizontally sharing a gas tank, melt and be provided with dividing plate 16 between bin 1 and switch gear room 2, C phase melts storehouse 9, C phase earthing bar 10, the distribution in isosceles triangle of the molten storehouse 11 of A phase, dividing plate 16 is provided with snapping hole 32, upper line window 33 excessively, played line window 34, location square hole 35, and rear plate is provided with fastener 22 and coordinates fixing rear plate with snapping hole 32.As shown in Figure 4, insulator bracket one end is embedded in the square hole 35 of location, and be welded and fixed, insulator 20 is arranged on insulator bracket, and C phase molten storehouse inlet wire copper bar 25 is fixed on insulator 20, B phase molten storehouse inlet wire copper bar 39 and is fixed on B phase supporting insulator 40.As shown in Figure 3, C phase molten storehouse inlet wire copper bar 25, B phase molten storehouse inlet wire copper bar 39 and A phase molten storehouse inlet wire copper bar 24 are all connected with the C phase moving knife seat 38 of three station high-voltage switch gears 3, B phase moving knife seat 37, A phase moving knife seat 36 respectively through the line window 34 that played of dividing plate 16.The earth terminal in C phase earthing bar 10, B phase earthing bar 13 and A phase grounding copper bar 14 earth terminal in storehouse 9 molten with C phase, the earth terminal in the molten storehouse 12 of B phase and the molten storehouse 11 of A phase is respectively connected and the upper mistake line window 33 passing dividing plate 16 is connected with the quiet tool rest of earth terminal of three station high-voltage switch gears 3.High pressure entrance bushing 5 connects the quiet tool rest 19, A of three station high-voltage switch gears 3 by copper bar, B, C tri-parallels distribution.C phase outlet casing tube 6 is connected with copper bar with the leading-out terminal in the molten storehouse 9 of C phase, and B phase outlet casing tube 7 is connected with copper bar with the leading-out terminal in the molten storehouse 12 of B phase, and A phase outlet casing tube 8 is connected with copper bar with the leading-out terminal in the molten storehouse 11 of A phase.C phase expands sleeve pipe 29, B phase expands sleeve pipe 30, A phase is expanded sleeve pipe 31 and to be connected with copper bar with the terminals of C phase outlet casing tube 6, B phase outlet casing tube 7, A phase outlet casing tube 8 respectively or the leading-out terminal in storehouse 9 molten with C phase, the leading-out terminal in the molten storehouse 12 of B phase, the leading-out terminal in the molten storehouse 11 of A phase are connected with copper bar respectively.
Embodiment 2: the high-voltage switch gear that a kind of open air is transversely arranged and fuse combination gas tank, molten bin 1 or switch gear room 2 base plate also have one group to expand inner cone, melt the leading-out terminal in storehouse 9, the leading-out terminal in the molten storehouse 12 of B phase, the leading-out terminal in the molten storehouse 11 of A phase respectively with C phase.All the other are with embodiment 1.Adopt such scheme, high-voltage switch gear gas tank can be connected with transformer by sleeve pipe, do not need to use cable to connect, simplify connected mode, decrease installing space and saved cost.
Embodiment 3: the high-voltage switch gear that a kind of open air is transversely arranged and fuse combination gas tank, toughened glass selected by the pressure release thin plate of pressure release external member 17.All the other are with scheme 1.Solve the fracture visualization problem of three station high-voltage switch gears 3.Be convenient to the moving knife position of operation and maintenance personal observations to three station high-voltage switch gears 3.
Claims (6)
1. the high-voltage switch gear that an open air is transversely arranged and fuse combination gas tank, comprise molten bin (1), switch gear room (2), three station high-voltage switch gears (3), Petersen coil (4), high pressure entrance bushing (5), outlet casing tube, expansion sleeve pipe or high pressure Inner bore, barometer base (15), dividing plate (16), pressure release external member (17), dry component (21), it is characterized in that: molten bin (1) and switch gear room (2) are in horizontally sharing a gas tank, melt and be provided with dividing plate (16) between bin (1) and switch gear room (2), C phase melts storehouse (9), B phase melts storehouse (12), A phase melts storehouse (11) and distributes in isosceles triangle, dividing plate (16) is provided with snapping hole (32), upper line window (33) excessively, lower line window (34) excessively, location square hole (35), rear plate is provided with fastener (22) and coordinates fixing rear plate with snapping hole (32), insulator bracket one end is embedded in location square hole (35), be welded and fixed, insulator (20) is arranged on insulator bracket, and molten storehouse inlet wire copper bar (25) of C phase is fixed on insulator (20), and molten storehouse inlet wire copper bar (39) of B phase is fixed on B phase supporting insulator (40).
2. the high-voltage switch gear that a kind of open air is transversely arranged according to claim 1 and fuse combination gas tank, is characterized in that: C phase melt storehouse inlet wire copper bar (25), molten storehouse inlet wire copper bar (39) of B phase and A phase and melts storehouse inlet wire copper bar (24) and be all connected with C phase moving knife seat (38) of three station high-voltage switch gears (3), B phase moving knife seat (37), A phase moving knife seat (36) respectively through the line window (34) that played of dividing plate (16); The earth terminal in C phase earthing bar (10), B phase earthing bar (13) and A phase grounding copper bar (14) earth terminal in storehouse (9) molten with C phase, the earth terminal in the molten storehouse (12) of B phase and the molten storehouse (11) of A phase is respectively connected and upper mistake line window (33) of passing dividing plate (16) is connected with the quiet tool rest of earth terminal of three station high-voltage switch gears (3).
3. the high-voltage switch gear that a kind of open air is transversely arranged according to claim 2 and fuse combination gas tank, it is characterized in that: C phase expands sleeve pipe (29), B phase expands sleeve pipe (30), A phase is expanded sleeve pipe (31) and is connected lightning arrester or high pressure P T, molten bin (1) or switch gear room (2) base plate can also increase by one group of expansion inner cone, the leading-out terminal in storehouse (9) is melted respectively with C phase, B phase melts the leading-out terminal in storehouse (12), A phase melts the leading-out terminal in storehouse (11) or C phase moving knife seat (38) of three station high-voltage switch gears (3), B phase moving knife seat (37), A phase moving knife seat (36) connects.
4. the high-voltage switch gear that a kind of open air is transversely arranged according to claim 2 and fuse combination gas tank, is characterized in that: have one group of high pressure inner cone to be connected with the quiet tool rest (19) of three station high-voltage switch gears (3) at switch gear room (2) base plate.
5. the high-voltage switch gear that a kind of open air is transversely arranged according to claim 1 and fuse combination gas tank, it is characterized in that: dividing plate (16) and rear plate have the gap of 1 ~ 2 millimeter, snapping hole (32) on rear plate (23) takes interference fit with the fastener (22) on dividing plate (16), and fastener (22) front end adopts arc-shaped structure.
6. the high-voltage switch gear that a kind of open air is transversely arranged according to claim 1 and fuse combination gas tank, is characterized in that: transparent material selected by the pressure release thin plate of described pressure release external member (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692486.4A CN105186352A (en) | 2015-10-23 | 2015-10-23 | Outside transversely arranged high-voltage switches and fuse protector combined air tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692486.4A CN105186352A (en) | 2015-10-23 | 2015-10-23 | Outside transversely arranged high-voltage switches and fuse protector combined air tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105186352A true CN105186352A (en) | 2015-12-23 |
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ID=54908283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510692486.4A Pending CN105186352A (en) | 2015-10-23 | 2015-10-23 | Outside transversely arranged high-voltage switches and fuse protector combined air tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN105186352A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531542A (en) * | 2020-12-07 | 2021-03-19 | 北京双杰电气股份有限公司 | Integrated small box transformer substation |
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| CN201393005Y (en) * | 2009-03-11 | 2010-01-27 | 北京合纵科技股份有限公司 | Inflatable combined cabinet grounding device and inflatable combined cabinet |
| CN101854036A (en) * | 2009-03-31 | 2010-10-06 | 青岛特锐德电气股份有限公司 | Air switch cabinet |
| CN203367844U (en) * | 2013-07-12 | 2013-12-25 | 广西银河迪康电气有限公司 | Cable branching cabinet air box |
| CN103956665A (en) * | 2014-05-20 | 2014-07-30 | 国网上海市电力公司 | Outgoing breaker insulated isolation device of 10 KV combined box transformer substation |
| CN205016912U (en) * | 2015-10-23 | 2016-02-03 | 北海银河开关设备有限公司 | Outdoor transverse arrangement's high -voltage switch and fuse combination gas tank |
-
2015
- 2015-10-23 CN CN201510692486.4A patent/CN105186352A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201393005Y (en) * | 2009-03-11 | 2010-01-27 | 北京合纵科技股份有限公司 | Inflatable combined cabinet grounding device and inflatable combined cabinet |
| CN101854036A (en) * | 2009-03-31 | 2010-10-06 | 青岛特锐德电气股份有限公司 | Air switch cabinet |
| CN203367844U (en) * | 2013-07-12 | 2013-12-25 | 广西银河迪康电气有限公司 | Cable branching cabinet air box |
| CN103956665A (en) * | 2014-05-20 | 2014-07-30 | 国网上海市电力公司 | Outgoing breaker insulated isolation device of 10 KV combined box transformer substation |
| CN205016912U (en) * | 2015-10-23 | 2016-02-03 | 北海银河开关设备有限公司 | Outdoor transverse arrangement's high -voltage switch and fuse combination gas tank |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531542A (en) * | 2020-12-07 | 2021-03-19 | 北京双杰电气股份有限公司 | Integrated small box transformer substation |
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Application publication date: 20151223 |