CN105071277A - Environment-friendly inflatable ring main unit - Google Patents
Environment-friendly inflatable ring main unit Download PDFInfo
- Publication number
- CN105071277A CN105071277A CN201510467790.9A CN201510467790A CN105071277A CN 105071277 A CN105071277 A CN 105071277A CN 201510467790 A CN201510467790 A CN 201510467790A CN 105071277 A CN105071277 A CN 105071277A
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- CN
- China
- Prior art keywords
- main unit
- ring main
- breaker
- inflatable ring
- environmental protection
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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.)
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Abstract
The invention discloses an environment-friendly inflatable ring main unit, which comprises a unit body, wherein a seal box body is arranged in the unit body; a three-position disconnecting switch, a bus connector and breakers are arranged in the seal box body; the three-position disconnecting switch comprises a closed position, an isolated position and a grounded position; the three-position disconnecting switch is controlled by a three-position disconnecting switch operating mechanism; the three-position disconnecting switch operating mechanism is located behind the seal box body in the unit body; the bus connector with a contact is arranged above the three-position disconnecting switch, and penetrates the seal box body through a bus wall-penetrating insulating sleeve; the breakers are located below the three-position disconnecting switch; insulating partition plates are arranged between the breakers; the breakers are controlled by a breaker operating mechanism; the breaker operating mechanism is located below the three-position disconnecting switch operating mechanism in the unit body; and a pressure release device is arranged at the bottom of the seal box body. The environment-friendly inflatable ring main unit has the beneficial effects of being safe, reliable, environment-friendly and energy-saving.
Description
Technical field
The present invention relates to a kind of environmental protection Inflatable ring main unit.
Background technology
Gas-insulated ring network cabinet is a kind of ring main unit utilizing gas to insulate, its substantive characteristics is sealed in by primary element in the casing of the gas-insulated medium (what usually adopt is six-component force balance gas) being filled with low-pressure, not by the impact in outside border, its outstanding advantages is that product is miniaturized, whole day is run, substantially increases insulation property, effectively improved arc extinction performance, owing to adopting hermetic type structure, can not be affected by the external environment, for severe place, fail safe is high, more and more admit by domestic user.
But, SF6 (sulphur hexafluoride) gas is greenhouse gas, from the angle of environmental protection, should reduce as far as possible use or avoid to use SF6 gas, because inevitably there is certain leakage and discharge at inflation, operation, gas in reclaiming in SF6 gas-insulated ring network cabinet, severe contamination air ambient, is unfavorable for the feature of environmental protection of product.Although SF6 gas-insulated ring network cabinet, constantly perfect, be in operation and often run into the problem of gas leakage, great potential safety hazard be also result in the normal operation of SF6 gas-insulated ring network cabinet; Also have in prior art and adopt dry air to replace SF6 as dielectric, although air is harmless, makes moist and very easily conduct electricity, be unfavorable for the safe handling of equipment.So, market is badly in need of a kind of safe and reliable and free of contamination gas-insulated ring network cabinet.
Summary of the invention
In order to solve the shortcoming that prior art exists, the present invention proposes a kind of environmental protection Inflatable ring main unit.
Concrete solution of the present invention is:
A kind of environmental protection Inflatable ring main unit, comprise cabinet, seal case is provided with in cabinet, three-positions disconnector, bus tie and circuit breaker is had in described seal case, described three-positions disconnector comprises closing position, isolated location and earthing position, isolate and be alternately provided with insulating barrier, three-positions disconnector is controlled by three-positions disconnector operating mechanism, and described three-positions disconnector operating mechanism is positioned at the rear of cabinet inside, seal case; The top of three-positions disconnector is provided with the bus tie of band contact; Described bus tie passes seal case by bus wall-through bushing insulator; Described circuit breaker is positioned at the below of three-positions disconnector, is provided with insulating barrier between circuit breaker, and circuit breaker is controlled by breaker operation mechanism; Described breaker operation mechanism is positioned at the below of cabinet three-positions disconnector operating mechanism, and the bottom of seal case is provided with pressure-release assembly; The rear surface of cabinet is provided with isolator operation axle, breaker operator axle and Pressure gauge, described isolator operation axle, breaker operator axle respectively with three-positions disconnector operating mechanism, breaker operation mechanism transmission, the side of all cabinets stated also arranges isolation deciliter indicator hole, breaker energy storage indicator hole and circuit breaker deciliter indicator hole.
The bus tie of described band contact comprises two terminals and an isolating switch, described static contact isolation switch is fixedly connected on the middle part of bus tie, described bus tie adopts copper rod, two terminals surfaces of bus tie are coated with the silver of 6 μm (microns), and the surface of described isolating switch is coated with the silver of 15 μm.
The angle formed between described three-positions disconnector earthing position and isolated location is 40-50 degree, and the angle formed between isolated location and closing position is 55-65 degree, and the angle formed between earthing position and closing position is 95-115 degree.
The cutter head wrap insulate resin of described three-positions disconnector.
Described insulating barrier is epoxy insulation fabric swatch.
Described circuit breaker is vacuum circuit-breaker.
Beneficial effect of the present invention is as follows:
Environmental protection Inflatable ring main unit disclosed in this invention, the aerated materials adopted is dry air, and compared with traditional aerated materials sulphur hexafluoride, decrease the discharge of greenhouse gas, environmental protection also saves cost more; Between isolating switch cutter head wrap insulate resin and circuit breaker, the design of insulating barrier, improves dielectric strength, safe and reliable, also reduces the volume that circuit breaker is overall, is conducive to ring main unit to miniaturization; The design of bottom of cabinet bulk pressure-release assembly, can, when casing internal gas pressure exceedes certain numerical value, by bottom pressure-release assembly emission gases, effectively prevent gases at high pressure from causing damage to all the other equipment in people, cable and transformer station; The design of seal case, improves the dielectric strength in casing, makes ring main unit compact conformation, effectively reduces manufacture and the maintenance cost of ring main unit; Adopt vacuum circuit-breaker, be not subject to the impact of external environment, and the volume installed is little, for ring main unit vacates a large amount of spaces installing other elements.
Accompanying drawing explanation
Internal structure schematic diagram on the left of Fig. 1, environmental protection Inflatable ring main unit of the present invention;
Fig. 2, environmental protection Inflatable ring main unit front interior structural representation of the present invention.
In figure, 1 three-positions disconnector operating mechanism, 2 three-positions disconnectors, 3 breaker operation mechanisms, 4 circuit breakers, 5 cable assembly, 6 pressure-release assemblies, 8 bus wall-through bushing insulators, 9 seal cases, 10 cabinets, 11 insulating barriers, 12 bus ties, 13 static contact isolation switches.
Embodiment
As shown in Figure 1 and Figure 2: a kind of environmental protection Inflatable ring main unit, comprise cabinet 10, seal case 9 is provided with in cabinet, three-positions disconnector 2, bus tie 12 and circuit breaker 4 is had in described seal case, described three-positions disconnector 2 comprises closing position, isolated location and earthing position, isolate and be alternately provided with insulating barrier 11, three-positions disconnector 2 is controlled by three-positions disconnector operating mechanism 1, and described three-positions disconnector operating mechanism 1 is positioned at the rear of cabinet inside, seal case 9; The top of three-positions disconnector 2 is provided with the bus tie 12 of band contact; Described bus tie 12 passes seal case by bus wall-through bushing insulator 8; Described circuit breaker 4 is positioned at the below of three-positions disconnector 2, is provided with insulating barrier 11 between circuit breaker, and circuit breaker 4 is controlled by breaker operation mechanism 3; Described breaker operation mechanism 3 is positioned at the below of cabinet three-positions disconnector operating mechanism 1, and the bottom of seal case 9 is provided with pressure-release assembly 6; The rear surface of cabinet is provided with isolator operation axle, breaker operator axle and Pressure gauge, described isolator operation axle, breaker operator axle respectively with three-positions disconnector operating mechanism 1, breaker operation mechanism 3 transmission, the side of all cabinets stated also arranges isolation deciliter indicator hole, breaker energy storage indicator hole and circuit breaker deciliter indicator hole.
The bus tie 12 of described band contact comprises two terminals and a static contact isolation switch 13, described static contact isolation switch is fixedly connected on the middle part of bus tie, described bus tie adopts copper rod, two terminals surfaces of bus tie are coated with the silver of 6 μm, and the surface of described isolating switch is coated with the silver of 15 μm.
The angle formed between described three-positions disconnector 2 earthing position and isolated location is 45 degree, and the angle formed between isolated location and closing position is 60 degree, and the angle formed between earthing position and closing position is 105 degree.
The cutter head wrap insulate resin of described three-positions disconnector 1.
Described insulating barrier is epoxy insulation fabric swatch.
Described circuit breaker 4 is vacuum circuit-breaker.
Environmental protection Inflatable ring main unit provided by the present invention, the aerated materials adopted is dry air, and compared with traditional aerated materials sulphur hexafluoride, decrease the discharge of greenhouse gas, environmental protection also saves cost more; Isolating switch cutter head wrap insulate resin, isolation cutter head between and be all provided with insulating barrier between circuit breaker, improve dielectric strength, safe and reliable, also reduce the volume that circuit breaker is overall, be conducive to ring main unit to miniaturization; The design of bottom of cabinet bulk pressure-release assembly, can, when casing internal gas pressure exceedes certain numerical value, by bottom pressure-release assembly emission gases, effectively prevent gases at high pressure from causing damage to all the other equipment in people, cable and transformer station; The design of seal case, improves the dielectric strength in casing, makes ring main unit compact conformation, effectively reduces manufacture and the maintenance cost of ring main unit; Adopt vacuum circuit-breaker, be not subject to the impact of external environment, and the volume installed is little, for ring main unit vacates a large amount of spaces installing other elements; In addition, three position switch even angle in traditional design, the angle formed between three-positions disconnector earthing position and isolated location in the application is 45 degree, the angle formed between isolated location and closing position is 60 degree, the angle formed between earthing position and closing position is the design of 105 degree, increases the angle between three positions, and insulation distance is increased, reduce space, make ring main unit more miniaturized; Isolation deciliter indicator hole, can indicate isolating switch combined floodgate, isolation, ground connection three kinds of states, breaker energy storage indicator hole can indicate circuit breaker whether to be in energy storage state, and circuit breaker deciliter indicator hole can indicate circuit breaker to be in separating brake or closing position; The bus tie of belt blade head, save material, integral structure and other Structure Comparisons, do not need to overlap other cutter heads in addition, substantially reduce overlap joint area, reduce resistance, in addition, silver-plated conductance is greater than copper, and silver-plated reduction resistance improves ampacity, increases silver plating thicknesses and improves mechanical endurance.
Environmental protection Inflatable ring main unit provided by the present invention at one's leisure, isolating switch is in ground state, first confirm whether isolating switch is in closing position, rotate isolator operation axle, three-positions disconnector operating mechanism drives isolating switch to rotate, breaker energy storage, now breaker energy storage indicator hole shows energy storage.Operating breaker closes a floodgate: rotate counterclockwise breaker operation mechanism, breaker closing, circuit breaker deciliter indicator hole can indicate circuit breaker to be in closing position, and after breaker closing, energy storage indicator hole shows non-energy storage, now can give breaker mechanism energy storage.Breaker open operation need rotate breaker operation mechanism, does not need breaker energy storage during separating brake.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (9)
1. an environmental protection Inflatable ring main unit, comprise cabinet, seal case is provided with in cabinet, three-positions disconnector, bus tie and circuit breaker is had in described seal case, described three-positions disconnector comprises closing position, isolated location and earthing position, it is characterized in that, isolates alternately to be provided with insulating barrier, three-positions disconnector is controlled by three-positions disconnector operating mechanism, and described three-positions disconnector operating mechanism is positioned at the rear of cabinet inside, seal case; The top of three-positions disconnector is provided with the bus tie of band contact; Described bus tie passes seal case by bus wall-through bushing insulator; Described circuit breaker is positioned at the below of three-positions disconnector, is provided with insulating barrier between circuit breaker, and circuit breaker is controlled by breaker operation mechanism; Described breaker operation mechanism is positioned at the below of cabinet three-positions disconnector operating mechanism, and the bottom of seal case is provided with pressure-release assembly; The rear surface of cabinet is provided with isolator operation axle, breaker operator axle and Pressure gauge, described isolator operation axle, breaker operator axle respectively with three-positions disconnector operating mechanism, breaker operation mechanism transmission, the side of described cabinet also arranges isolation deciliter indicator hole, breaker energy storage indicator hole, circuit breaker deciliter indicator hole.
2. environmental protection Inflatable ring main unit as claimed in claim 1, it is characterized in that: the angle formed between the earthing position of described three-positions disconnector and isolated location is 40-50 degree, the angle formed between isolated location and closing position is 55-65 degree, and the angle formed between earthing position and closing position is 95-115 degree.
3. environmental protection Inflatable ring main unit as claimed in claim 1, is characterized in that: the bus tie of described band contact comprises two terminals and a static contact isolation switch, and described static contact isolation switch is fixedly connected on the middle part of bus tie.
4. environmental protection Inflatable ring main unit as claimed in claim 3, is characterized in that: described bus tie adopts copper rod.
5. environmental protection Inflatable ring main unit as claimed in claim 3, is characterized in that: the outer surface of described terminals and the fixed contact of isolating switch is silver-plated.
6. environmental protection Inflatable ring main unit as claimed in claim 5, is characterized in that: two terminals surfaces of bus tie are coated with the silver of 6 μm, and the surface of isolating switch is coated with the silver of 15 μm.
7. environmental protection Inflatable ring main unit as claimed in claim 1, is characterized in that: the cutter head wrap insulate resin of described three-positions disconnector.
8. environmental protection Inflatable ring main unit as claimed in claim 1, is characterized in that: described insulating barrier is epoxy insulation fabric swatch.
9. environmental protection Inflatable ring main unit as claimed in claim 1, is characterized in that: described circuit breaker is vacuum circuit-breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510467790.9A CN105071277A (en) | 2015-07-31 | 2015-07-31 | Environment-friendly inflatable ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510467790.9A CN105071277A (en) | 2015-07-31 | 2015-07-31 | Environment-friendly inflatable ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105071277A true CN105071277A (en) | 2015-11-18 |
Family
ID=54500590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510467790.9A Pending CN105071277A (en) | 2015-07-31 | 2015-07-31 | Environment-friendly inflatable ring main unit |
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| Country | Link |
|---|---|
| CN (1) | CN105071277A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914639A (en) * | 2016-06-14 | 2016-08-31 | 河北箱变电器有限公司 | Solid insulating ring network cabinet |
| CN106654966A (en) * | 2017-03-15 | 2017-05-10 | 广东阿尔派电力科技股份有限公司 | Environment-friendly gas-insulated ring main unit |
| CN108539651A (en) * | 2018-06-19 | 2018-09-14 | 青岛特锐德电气股份有限公司 | A kind of medium pressure gas insulated metal closed switch equipment |
| CN110492379A (en) * | 2019-09-29 | 2019-11-22 | 吉林省金冠电气股份有限公司 | A kind of novel environment friendly gas-insulated ring network cabinet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006000443A1 (en) * | 2004-06-28 | 2006-01-05 | Abb Technology Ag | Gas-insulated medium-voltage switchgear |
| CN202159921U (en) * | 2011-08-01 | 2012-03-07 | 博耳(无锡)电力成套有限公司 | Ring network cabinet with air as insulation medium |
| CN103996990A (en) * | 2014-05-29 | 2014-08-20 | 厦门兴厦控电气有限公司 | Novel inflatable switch cabinet |
-
2015
- 2015-07-31 CN CN201510467790.9A patent/CN105071277A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006000443A1 (en) * | 2004-06-28 | 2006-01-05 | Abb Technology Ag | Gas-insulated medium-voltage switchgear |
| CN202159921U (en) * | 2011-08-01 | 2012-03-07 | 博耳(无锡)电力成套有限公司 | Ring network cabinet with air as insulation medium |
| CN103996990A (en) * | 2014-05-29 | 2014-08-20 | 厦门兴厦控电气有限公司 | Novel inflatable switch cabinet |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914639A (en) * | 2016-06-14 | 2016-08-31 | 河北箱变电器有限公司 | Solid insulating ring network cabinet |
| CN106654966A (en) * | 2017-03-15 | 2017-05-10 | 广东阿尔派电力科技股份有限公司 | Environment-friendly gas-insulated ring main unit |
| CN108539651A (en) * | 2018-06-19 | 2018-09-14 | 青岛特锐德电气股份有限公司 | A kind of medium pressure gas insulated metal closed switch equipment |
| CN110492379A (en) * | 2019-09-29 | 2019-11-22 | 吉林省金冠电气股份有限公司 | A kind of novel environment friendly gas-insulated ring network cabinet |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151118 |