CN103414116A - 12KV solid-insulated ring main unit - Google Patents
12KV solid-insulated ring main unit Download PDFInfo
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- CN103414116A CN103414116A CN201310390493XA CN201310390493A CN103414116A CN 103414116 A CN103414116 A CN 103414116A CN 201310390493X A CN201310390493X A CN 201310390493XA CN 201310390493 A CN201310390493 A CN 201310390493A CN 103414116 A CN103414116 A CN 103414116A
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- ring main
- main unit
- lower house
- solid insulation
- insulation ring
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Abstract
A 12KV solid-insulated ring main unit disclosed by the invention comprises a cabinet body, an upper housing and a lower housing, the upper housing and the lower housing are mounted in the cabinet body and made by pouring epoxy resin, the upper housing is provided with main bus bar interfaces, a vacuum arc-extinguishing chamber is fixedly sealed in the upper housing, external connection outlets are fixedly sealed in the lower housing, a disconnector is arranged in the space defined by the upper and lower housings which are tightly fitted, main bus bars, the vacuum arc-extinguishing chamber, the disconnector and the external connection outlets are sequentially electrically connected, and an earth terminal is also fixedly sealed in the lower housing and electrically connected with the disconnector. The 12KV solid-insulated ring main unit is small and environment-friendly, has better insulating property, is suitable for use in various environments, is modularly designed, and is convenient to install and mass-produce.
Description
Technical field
The present invention relates to a kind of 12KV solid insulation ring main unit, belong to distribution switchgear.
Background technology
The applicating history of distribution switchgear Air insulation is long, and technology is very ripe, and air resource is abundant, but the insulating properties the subject of knowledge and the object of knowledge limit because of air, air insulation switch cubicle volume is larger, and floor space is large, and easily affected by environment, destabilizing factor is more, by the SF6 gas instead, the volume of SF6 Inflatable ring main unit is little, compact conformation, be not subjected to the impact of external environment factor, adaptability is extremely strong.But; SF6 gas is one of internationally recognized six kinds of greenhouse gas; angle from environmental protection; should be less with or without SF6 gas; " the United Nations's climate change pact " and Kyoto Protocol all have clear and definite requirement for restriction and reduce discharging target greenhouse gas emission; China is as signatories to a treaty; aspect the minimizing greenhouse gas emission, also bearing obligation one can't decline and obligation; therefore; the use of domestic SF6 gas can be subject to increasing restriction, and gradually reducing and finally stop using SF6 gas is the common recognition of international community.
In addition, there is unavoidable leakage problem in the SF6 Inflatable ring main unit, in case the SF6 Inflatable ring main unit leaks, safe operation is great threat to power distribution network, needs professional maintainer to carry out gas leak detection, needs simultaneously special charger, expend a large amount of human and material resources and time, and current 12kV circuit operations staff wretched insufficiency, first-line staff's number is negative growth, and equipment control can't meet the needs of growing 12kV circuit operation.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of 12KV solid insulation ring main unit, and size is little, has better insulation property, and environmental protection, and be applicable to various environment and use, modularized design, easy for installation, be convenient to batch production.
12KV solid insulation ring main unit of the present invention, comprise cabinet, be arranged on the upper shell and the lower house that in described cabinet, are become by poured with epoxy resin, described upper shell is provided with the main bus bar interface, in upper shell, be sealed with vacuum interrupter, in described lower house, be sealed with outer connection outlet, the in-built isolating switch that is equipped with in space that upper shell and lower house are sealed and matched and form, main bus bar, vacuum interrupter, isolating switch, outer connection outlet are electrically connected to successively, in described lower house, also are sealed with earth terminal and are electrically connected to described isolating switch.
12KV solid insulation ring main unit of the present invention, wherein said vacuum interrupter is the circuit breaker vacuum interrupter, described cabinet is provided with circuit breaker operation mechanism, and lower house is provided with circuit breaker tie rod, and described circuit breaker operation mechanism is controlled described circuit breaker by circuit breaker tie rod and cut-off, closes.
12KV solid insulation ring main unit of the present invention, wherein said vacuum interrupter is vacuum arc extinguishing chamber for loading switch, described cabinet is provided with load switch operation mechanism, lower house is provided with the on-load switch pull bar, and described load switch operation mechanism is controlled cut-offfing, closing of described on-load switch by the on-load switch pull bar.
12KV solid insulation ring main unit of the present invention, also be sealed with fuse unit in wherein said lower house, described isolating switch is electrically connected to an end of fuse unit, and outer connection outlet is electrically connected to the other end of fuse unit.
12KV solid insulation ring main unit of the present invention, wherein said fuse unit also has another earth terminal, and described another earth terminal sealing is in lower house.
12KV solid insulation ring main unit of the present invention, be equipped with isolator operating mechanism on wherein said cabinet, and described isolator operating mechanism is controlled isolating switch by the isolating switch main shaft.
12KV solid insulation ring main unit of the present invention, wherein said upper shell is provided with observation window.
12KV solid insulation ring main unit of the present invention, be coated with conductive layer on the outer surface of wherein said upper and lower casing.
12KV solid insulation ring main unit difference from prior art of the present invention is that 12KV solid insulation ring main unit of the present invention adopts the upper-lower casing become by poured with epoxy resin by vacuum interrupter, isolating switch, outer connection outlet, the equal sealing of earth terminal is got up, by enclosed busbar, connect each loop, realize the integral insulation sealing, SF6 gas and corresponding gas tank parts have structurally been fully phased out, environmental protection, there do not is the SF6 leakage problem, greatly reduced the volume of ring main unit, simultaneously owing to not needing leak detection, inflation, reduced operating cost, alleviated operations staff's labour intensity.
Below in conjunction with accompanying drawing, 12KV solid insulation ring main unit of the present invention is described further.
The accompanying drawing explanation
Fig. 1 is the structure chart of 12KV solid insulation ring main unit embodiment 1 of the present invention;
Fig. 2 is the each several part three-dimensional structure diagram of upper-lower casing and sealing thereof in embodiment 1;
Fig. 3 is the structure chart of 12KV solid insulation ring main unit embodiment 2 of the present invention;
Fig. 4 is the each several part three-dimensional structure diagram of upper-lower casing and sealing thereof in embodiment 2.
Embodiment
Embodiment 1:
As shown in Figure 1, 2, the present embodiment 12KV solid insulation ring main unit comprises cabinet 11, is arranged on the upper shell 12 and the lower house 13 that in cabinet 11, are become by poured with epoxy resin, upper shell is provided with main bus bar interface 14, in upper shell, be sealed with the circuit breaker vacuum interrupter, in lower house, be sealed with outer connection outlet 15, the in-built isolating switch that is equipped with in space that upper shell 12 and lower house 13 are sealed and matched and form, main bus bar, circuit breaker are electrically connected to successively with vacuum interrupter, isolating switch, outer connection outlet, in lower house, also are sealed with earth terminal and are electrically connected to isolating switch.
Cabinet 11 is provided with circuit breaker operation mechanism, and as shown in Figure 1, lower house 13 is provided with circuit breaker tie rod 16, and circuit breaker operation mechanism is controlled vacuum circuit-breaker by circuit breaker tie rod 16 and cut-off, closes; On cabinet 11, also be provided with isolator operating mechanism, isolator operating mechanism is controlled isolating switch by isolating switch main shaft 17.
As shown in Figure 2, upper shell 12 is provided with observation window 18, and convenient the observation confirms that isolating switch closes a floodgate or whether ground connection is reliable; For forming zero potential, spray conductive layer on the outer surface of upper and lower casing.
Embodiment 2:
As shown in Figure 3,4, the present embodiment place different from embodiment 1 is, the interior sealing vacuum arc extinguishing chamber for loading switch of upper shell 22, on cabinet 21, load switch operation mechanism is installed, lower house 23 is provided with on-load switch pull bar 26, and load switch operation mechanism cut-offs, closes by on-load switch pull bar 26 control overhead switches.
Further, in lower house 23, also be sealed with fuse unit 27, isolating switch is electrically connected to an end of fuse unit 27, and outer connection outlet 25 is electrically connected to the other end of fuse unit, forms the combined electrical apparatus cabinet.
Further, fuse unit 27 also has another earth terminal 28, and another earth terminal 28 sealings, in lower house 23, can coordinate isolating switch to make fuse unit into and out of line segment while ground connection like this, safer when changing fuse unit.
Above-described embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention, all should fall in the definite protection range of the claims in the present invention book.
Claims (8)
1. 12KV solid insulation ring main unit, it is characterized in that: comprise cabinet, be arranged on the upper shell and the lower house that in described cabinet, are become by poured with epoxy resin, described upper shell is provided with the main bus bar interface, in upper shell, be sealed with vacuum interrupter, in described lower house, be sealed with outer connection outlet, the in-built isolating switch that is equipped with in space that upper shell and lower house are sealed and matched and form, main bus bar, vacuum interrupter, isolating switch, outer connection outlet are electrically connected to successively, in described lower house, also are sealed with earth terminal and are electrically connected to described isolating switch.
2. 12KV solid insulation ring main unit according to claim 1, it is characterized in that: described vacuum interrupter is the circuit breaker vacuum interrupter, described cabinet is provided with circuit breaker operation mechanism, lower house is provided with circuit breaker tie rod, and described circuit breaker operation mechanism is controlled described circuit breaker by circuit breaker tie rod and cut-off, closes.
3. 12KV solid insulation ring main unit according to claim 1, it is characterized in that: described vacuum interrupter is vacuum arc extinguishing chamber for loading switch, described cabinet is provided with load switch operation mechanism, lower house is provided with the on-load switch pull bar, and described load switch operation mechanism is controlled cut-offfing, closing of described on-load switch by the on-load switch pull bar.
4. 12KV solid insulation ring main unit according to claim 3, it is characterized in that: in described lower house, also be sealed with fuse unit, described isolating switch is electrically connected to an end of fuse unit, and outer connection outlet is electrically connected to the other end of fuse unit.
5. 12KV solid insulation ring main unit according to claim 4, it is characterized in that: described fuse unit also has another earth terminal, and described another earth terminal sealing is in lower house.
6. according to the described 12KV solid insulation ring main unit of claim 1 to 5 any one, it is characterized in that: on described cabinet, isolator operating mechanism is installed, described isolator operating mechanism is controlled isolating switch by the isolating switch main shaft.
7. 12KV solid insulation ring main unit according to claim 6, it is characterized in that: described upper shell is provided with observation window.
8. 12KV solid insulation ring main unit according to claim 7, is characterized in that: be coated with conductive layer on the outer surface of described upper and lower casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310390493XA CN103414116A (en) | 2013-08-30 | 2013-08-30 | 12KV solid-insulated ring main unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310390493XA CN103414116A (en) | 2013-08-30 | 2013-08-30 | 12KV solid-insulated ring main unit |
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| CN103414116A true CN103414116A (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310390493XA Pending CN103414116A (en) | 2013-08-30 | 2013-08-30 | 12KV solid-insulated ring main unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237575A (en) * | 2016-08-05 | 2016-12-21 | 太仓宏光自控电器设备有限公司 | A kind of fire protection patrol cabinet with triple control structures |
| CN108199289A (en) * | 2018-03-16 | 2018-06-22 | 厦门业盛电气有限公司 | Solid insulation ring main unit |
| CN108258610A (en) * | 2018-03-16 | 2018-07-06 | 厦门业盛电气有限公司 | Three-phase solid insulation shell |
| CN109980568A (en) * | 2017-12-28 | 2019-07-05 | 沈阳源聚科技有限公司 | A kind of solid insulation high-voltage ring main unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010031289A1 (en) * | 2008-09-19 | 2010-03-25 | 沈阳昊诚电力科技有限公司 | Epoxy resin casted solid insulation switch with three chambers |
| CN102664362A (en) * | 2012-05-24 | 2012-09-12 | 北京科锐配电自动化股份有限公司 | All-solid-state insulating ring main unit |
| CN202712732U (en) * | 2012-05-24 | 2013-01-30 | 北京科锐配电自动化股份有限公司 | Total-solid insulation ring-network cabinet equipped with fuse tube |
| CN203135300U (en) * | 2013-04-08 | 2013-08-14 | 深圳市金博联电力技术有限公司 | Fully sealed all-solid insulation ring main unit |
| CN203398612U (en) * | 2013-08-30 | 2014-01-15 | 北京清畅电力技术股份有限公司 | 12 KV solid insulative looped-network cabinet |
-
2013
- 2013-08-30 CN CN201310390493XA patent/CN103414116A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010031289A1 (en) * | 2008-09-19 | 2010-03-25 | 沈阳昊诚电力科技有限公司 | Epoxy resin casted solid insulation switch with three chambers |
| CN102664362A (en) * | 2012-05-24 | 2012-09-12 | 北京科锐配电自动化股份有限公司 | All-solid-state insulating ring main unit |
| CN202712732U (en) * | 2012-05-24 | 2013-01-30 | 北京科锐配电自动化股份有限公司 | Total-solid insulation ring-network cabinet equipped with fuse tube |
| CN203135300U (en) * | 2013-04-08 | 2013-08-14 | 深圳市金博联电力技术有限公司 | Fully sealed all-solid insulation ring main unit |
| CN203398612U (en) * | 2013-08-30 | 2014-01-15 | 北京清畅电力技术股份有限公司 | 12 KV solid insulative looped-network cabinet |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237575A (en) * | 2016-08-05 | 2016-12-21 | 太仓宏光自控电器设备有限公司 | A kind of fire protection patrol cabinet with triple control structures |
| CN109980568A (en) * | 2017-12-28 | 2019-07-05 | 沈阳源聚科技有限公司 | A kind of solid insulation high-voltage ring main unit |
| CN108199289A (en) * | 2018-03-16 | 2018-06-22 | 厦门业盛电气有限公司 | Solid insulation ring main unit |
| CN108258610A (en) * | 2018-03-16 | 2018-07-06 | 厦门业盛电气有限公司 | Three-phase solid insulation shell |
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Application publication date: 20131127 |