CN203398612U - 12 KV solid insulative looped-network cabinet - Google Patents

12 KV solid insulative looped-network cabinet Download PDF

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Publication number
CN203398612U
CN203398612U CN201320537993.7U CN201320537993U CN203398612U CN 203398612 U CN203398612 U CN 203398612U CN 201320537993 U CN201320537993 U CN 201320537993U CN 203398612 U CN203398612 U CN 203398612U
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CN
China
Prior art keywords
ring main
lower house
solid insulation
main unit
insulation ring
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.)
Expired - Lifetime
Application number
CN201320537993.7U
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Chinese (zh)
Inventor
孟凡锐
翟连吉
李天恩
樊京生
张焕粉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Qingchang Power Technology Co ltd
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Beijing Qingchang Power Technology Co Ltd
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Priority to CN201320537993.7U priority Critical patent/CN203398612U/en
Application granted granted Critical
Publication of CN203398612U publication Critical patent/CN203398612U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides a 12 KV solid insulative looped-network cabinet. The 12 KV solid insulative looped-network cabinet includes a cabinet body, an upper shell and a lower shell which are mounted in the cabinet body and are formed by pouring epoxy resin, wherein a main bus interface is disposed on the upper shell, a vacuum arc extinguishing chamber is fixed and enclosed in the upper shell, an external connection outlet is fixed and enclosed in the lower shell, the upper shell and the lower shell fit in a sealing manner to form a space, in which an isolation switch is arranged, the main bus interface, the vacuum arc extinguishing chamber, the isolation switch and the external connection outlet are connected electrically in sequence, and a grounding terminal, which is electrically connected with the isolation switch, is also fixed and enclosed in the lower shell. The 12 KV solid insulative looped-network cabinet has advantages of being small in size, being better in insulation performance, being green and environment protecting, being suitable for various environment, being convenient to install by utilizing modularization design, and being convenient to produce in batches.

Description

12KV solid insulation ring main unit
Technical field
The utility model relates to a kind of 12KV solid insulation ring main unit, belongs to distribution switchgear.
Background technology
In distribution switchgear, air-insulated applicating history 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 SF6 gas instead, the volume of SF6 Inflatable ring main unit is little, compact conformation, be not subject 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 restriction to require and reduce discharging target to greenhouse gas emission; China is as signatories to a treaty; aspect 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 SF6 Inflatable ring main unit, once SF6 Inflatable ring main unit leaks, to power distribution network, safe operation is great threat, needs professional maintainer to carry out gas leak detection, needs special charger simultaneously, 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 cannot meet the needs of growing 12kV circuit operation.
Utility model content
The technical problems to be solved in the utility model 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.
The utility model 12KV solid insulation ring main unit, comprise cabinet, be arranged on the upper shell and the lower house that in described cabinet, by poured with epoxy resin, are become, described upper shell is provided with 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 interface, vacuum interrupter, isolating switch, outer connection outlet are electrically connected to successively, be also sealed with earth terminal and be electrically connected to described isolating switch in described lower house.
The utility model 12KV solid insulation ring main unit, wherein said vacuum interrupter is 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.
The utility model 12KV solid insulation ring main unit, 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 on-load switch pull bar, and described load switch operation mechanism is controlled cut-offfing, closing of described on-load switch by on-load switch pull bar.
The utility model 12KV solid insulation ring main unit, is also sealed with fuse unit in wherein said lower house, described isolating switch is electrically connected to one end of fuse unit, and outer connection outlet is electrically connected to the other end of fuse unit.
The utility model 12KV solid insulation ring main unit, wherein said fuse unit also has another earth terminal, and described another earth terminal sealing is in lower house.
The utility model 12KV solid insulation ring main unit, is provided with isolator operating mechanism on wherein said cabinet, and described isolator operating mechanism is controlled isolating switch by isolating switch main shaft.
The utility model 12KV solid insulation ring main unit, wherein said upper shell is provided with observation window.
The utility model 12KV solid insulation ring main unit, is coated with conductive layer on the outer surface of wherein said upper and lower casing.
The utility model 12KV solid insulation ring main unit difference from prior art is that the utility model 12KV solid insulation ring main unit adopts the upper-lower casing being 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 integral insulation sealing, SF6 gas and corresponding gas tank parts have structurally been fully phased out, environmental protection, there is not 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 utility model is described further.
Accompanying drawing explanation
Fig. 1 is the structure chart of the utility model 12KV solid insulation ring main unit embodiment 1;
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 the utility model 12KV solid insulation ring main unit embodiment 2;
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, by poured with epoxy resin, are become, upper shell is provided with main bus bar interface 14, in upper shell, be sealed with 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 interface, for circuit breaker, vacuum interrupter, isolating switch, outer connection outlet are electrically connected to successively, be also sealed with earth terminal and be electrically connected to isolating switch in lower house.
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, be also 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 observation confirms that isolating switch closes a floodgate or whether ground connection is reliable; For forming zero potential, on the outer surface of upper and lower casing, spray conductive layer.
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 is cut-off, closed by on-load switch pull bar 26 control overhead switches.
Further, be also sealed with fuse unit 27 in lower house 23, isolating switch is electrically connected to fuse unit 27 one end, and outer connection outlet 25 is electrically connected to the other end of fuse unit, forms 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 preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection range of the utility model claims.

Claims (8)

1. a 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, by poured with epoxy resin, are become, described upper shell is provided with 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 interface, vacuum interrupter, isolating switch, outer connection outlet are electrically connected to successively, be also sealed with earth terminal and be electrically connected to described isolating switch in described lower house.
2. 12KV solid insulation ring main unit according to claim 1, it is characterized in that: described vacuum interrupter is 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 on-load switch pull bar, and described load switch operation mechanism is controlled cut-offfing, closing of described on-load switch by on-load switch pull bar.
4. 12KV solid insulation ring main unit according to claim 3, is characterized in that: in described lower house, be also sealed with fuse unit, described isolating switch is electrically connected to one 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, 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 12KV solid insulation ring main unit described in 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 isolating switch main shaft.
7. 12KV solid insulation ring main unit according to claim 6, 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: on the outer surface of described upper and lower casing, be coated with conductive layer.
CN201320537993.7U 2013-08-30 2013-08-30 12 KV solid insulative looped-network cabinet Expired - Lifetime CN203398612U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320537993.7U CN203398612U (en) 2013-08-30 2013-08-30 12 KV solid insulative looped-network cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320537993.7U CN203398612U (en) 2013-08-30 2013-08-30 12 KV solid insulative looped-network cabinet

Publications (1)

Publication Number Publication Date
CN203398612U true CN203398612U (en) 2014-01-15

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Application Number Title Priority Date Filing Date
CN201320537993.7U Expired - Lifetime CN203398612U (en) 2013-08-30 2013-08-30 12 KV solid insulative looped-network cabinet

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103414116A (en) * 2013-08-30 2013-11-27 北京清畅电力技术股份有限公司 12KV solid-insulated ring main unit
CN106602450A (en) * 2016-11-14 2017-04-26 北京双杰电气股份有限公司 Solid insulated switchgear
CN106684724A (en) * 2016-12-22 2017-05-17 北京双杰电气股份有限公司 High-voltage switch box

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103414116A (en) * 2013-08-30 2013-11-27 北京清畅电力技术股份有限公司 12KV solid-insulated ring main unit
CN106602450A (en) * 2016-11-14 2017-04-26 北京双杰电气股份有限公司 Solid insulated switchgear
CN106684724A (en) * 2016-12-22 2017-05-17 北京双杰电气股份有限公司 High-voltage switch box

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20170228

Address after: 101407 Beijing city Huairou District Yanqi Economic Development Zone Park south two street 3 No. 2 Building 1 layer 01-2

Patentee after: BEIJING QINGCHANG POWER TECHNOLOGY CO.,LTD.

Address before: 100085 Haidian District, 3rd Street, corner of the carnival building, block C, Beijing, 1109

Patentee before: BEIJING QINGCHANG POWER TECHNOLOGY Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140115