CN202513072U - Anti-leakage sulfur hexafluoride three-phase load switch for power transmission and distribution line - Google Patents

Anti-leakage sulfur hexafluoride three-phase load switch for power transmission and distribution line Download PDF

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Publication number
CN202513072U
CN202513072U CN2012201418035U CN201220141803U CN202513072U CN 202513072 U CN202513072 U CN 202513072U CN 2012201418035 U CN2012201418035 U CN 2012201418035U CN 201220141803 U CN201220141803 U CN 201220141803U CN 202513072 U CN202513072 U CN 202513072U
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CN
China
Prior art keywords
switch
load switch
sulfur hexafluoride
flgd
flanged
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 - Fee Related
Application number
CN2012201418035U
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Chinese (zh)
Inventor
焉华
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.)
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Jiangxi Electric Power Co Ltd
Original Assignee
Electric Power Research Institute of State Grid Jiangxi Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by Electric Power Research Institute of State Grid Jiangxi Electric Power Co Ltd filed Critical Electric Power Research Institute of State Grid Jiangxi Electric Power Co Ltd
Priority to CN2012201418035U priority Critical patent/CN202513072U/en
Application granted granted Critical
Publication of CN202513072U publication Critical patent/CN202513072U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an anti-leakage sulfur hexafluoride three-phase load switch for a power transmission and distribution line. The sulfur hexafluoride three-phase load switch consists of switch shells (1) with flanges, double 'O'-shaped seal rings (2), a load switch body, fastening bolts (3) and nuts (4), wherein a load switch mechanism is arranged between the two symmetrical switch shells (1) with the flanges; mounting surfaces of the two opposite switch shells with the flanges are bonded tightly; the double 'O'-shaped seal rings (2) are embedded into semicircular grooves on flange surfaces of the switch shells (1); the load switch body and the switch shells (1) with the flanges are fastened by the fastening bolts (3) and the nuts (4); and sulfur hexafluoride is filled into the switch shells (1) with the flanges. By the anti-leakage sulfur hexafluoride three-phase load switch, the anti-leakage performance of the sulfur hexafluoride switch can be improved. Due to the adoption of double 'O'-shaped seal rings, the leakage of the sulfur hexafluoride can be prevented, and the anti-leakage sulfur hexafluoride three-phase load switch is simple in structure, reliable in operation and convenient to use, and is suitable for the power transmission and distribution line.

Description

A kind of electric line is with anti-leak sulphur hexafluoride three-phase load switch
Technical field
The utility model relates to a kind of electric line with anti-leak sulphur hexafluoride three-phase load switch, belongs to electrical network electric line equipment technology field.
Background technology
Sulphur hexafluoride (SF 6) the three-phase load switch is requisite vitals in the electrical network, the prevention sulphur hexafluoride (SF in high pressure electric line important control equipment technology field 6) the three-phase load switching gas leaks is the important leverage of electric line safety in production, its safe operation is directly connected to the safety and stability of electrical network and to the reliability of user's power supply.This device is to utilize the sealing ring of special arrangement to promote sulphur hexafluoride on-load switch anti-leak performance.Facts have proved that the safety of only secure electric line important control equipment just can reach the purpose of safe power transmission and distribution.
Sulphur hexafluoride (SF 6) gas is one of six kinds of greenhouse gas finding at present.SF 6Gas molecule has potential harm to greenhouse effect, and this is because SF 6Molecule of gas is CO to the influence of greenhouse effect 225000 times of molecule simultaneously, are emitted on the SF in the atmosphere 6Gas life-span speciality, about 3400.Reduce greenhouse gas emission, slow down the main target that climate change is " the United Nations's climate change pact " and Kyoto Protocol, and China is increasing at the international pressure that is faced aspect the minimizing greenhouse gas emission.The environment that its leakage meeting is depended on for existence to the mankind brings and pollutes and destruction.And general sulphur hexafluoride (SF 6) three-phase load switch gas leakage prevention performance is not good, therefore develops a kind of electric line with anti-leak sulphur hexafluoride (SF 6) the three-phase load switch, effectively prevent transmission and distribution network because of sulphur hexafluoride (SF 6) the three-phase load switching gas leaks and the generation of transmission line tripping operation accident takes place, and ensures the power grid security production work greatly, is very necessary.
Summary of the invention
The purpose of the utility model is, to existing sulphur hexafluoride (SF 6) the not good shortcoming of three-phase load switch gas leakage prevention performance, a kind of high pressure power transmission and distribution electric line is disclosed with anti-leak sulphur hexafluoride (SF 6) the three-phase load switch, prevent sulphur hexafluoride (SF effectively 6) the three-phase load switching gas leaks and cause the discharge arcing tripping operation of transmission line on-load switch contact, the large area blackout of initiation ensures electrical network power transmission and distribution safety in production.
The technical scheme of the utility model is the utility model sulphur hexafluoride (SF 6) the three-phase load switch is made up of flanged (FLGD) switch housing 1, two " O " RunddichtringO 2, fastening bolt 3 and nut 4; Switching mechanism be installed in two symmetrical structures flanged (FLGD) switch housing 1 between; The installed surface of two relative flanged (FLGD) switch housings 1 pastes tightly mutually; In the half slot that two " O " RunddichtringO 2 embeds on the flange face of flanged (FLGD) switch housing 1; Rely on fastening bolt 3 and switch housing 1 fit sealing of nut 4 with two symmetrical structures, fill sulfur hexafluoride gas in flanged (FLGD) switch housing 1, the utility model structure can promote sulphur hexafluoride (SF 6) three-phase load switch anti-leak performance.
Be processed with the half slot that two " O " RunddichtringOs can be set on the flange face 11 of the flanged (FLGD) switch housing of the utility model; But the flange periphery has evenly been processed the circular hole 12 of a plurality of construction bolts; Flanged (FLGD) switch housing 1 is processed by epoxide resin material, and the switch housing bottom is inlaid with the double thread brass bolt 5 that is used to input or output; Two " O " RunddichtringO is processed by vulcanized rubber material.During use; The incoming line of load switch body and output line are drawn from the brass bolt 5 of flanged (FLGD) switch housing upper and lower part respectively; Two O-ring seals are positioned on the sulphur hexafluoride on-load switch shell ring flange, two O-ring seals embed in the sulphur hexafluoride on-load switch ring flange semi-circular recesses, evenly tighten the ring flange fastening bolt again; In the sulphur hexafluoride on-load switch, fill sulfur hexafluoride gas, can use.Said sulphur hexafluoride on-load switch is made up of flanged (FLGD) switch housing 1, two " O " RunddichtringO 2, fastening screw screw bolt and nut 3; Two " O " RunddichtringO 2 is placed in the half slot on the flange face of flanged (FLGD) switch housing 1, and fastening screw screw bolt and nut 4 is fastening with flanged (FLGD) switch housing 1, gets final product charging into sulfur hexafluoride gas in the switch housing 1.
The beneficial effect of the utility model and prior art comparison is that the utility model can promote sulphur hexafloride circuit breaker anti-leak performance after adopting two " O " RunddichtringO structures, reduces SF 6Pollution to atmospheric environment.And simple in structure, effect is obvious, and reliable operation is easy to use.
The utility model is applicable to that electric line is with anti-leak sulphur hexafluoride (SF 6) the three-phase load switch.
Description of drawings
Fig. 1 is the utility model anti-leak sulphur hexafluoride (SF 6) three-phase load construction of switch sketch map;
Fig. 2 is the locations of structures front view of the flanged (FLGD) switch housing of the utility model and two " O " RunddichtringOs;
Fig. 3 is the locations of structures vertical view of the flanged (FLGD) switch housing of the utility model and two " O " RunddichtringOs;
Picture in picture number: the 1st, flanged (FLGD) switch housing; The 2nd, two " O " RunddichtringOs; The 3rd, fastening bolt; The 4th, nut; The 5th, on-load switch lead-out wire brass bolt; The 6th, tighten up nut; The 11st, the switch housing flange; The 12nd, bolt mounting holes.
Embodiment
A kind of electric line of the utility model is with anti-leak sulphur hexafluoride (SF 6) embodiment of on-load switch is as depicted in figs. 1 and 2.
The utility model embodiment anti-leak sulphur hexafluoride on-load switch is made up of flanged (FLGD) switch housing 1, two " O " RunddichtringO 2, fastening bolt 3 and nut 4; Two " O " RunddichtringO 2 is installed in the half slot on the flange face of flanged (FLGD) switch housing 1; Load switch body is installed in two flanged (FLGD) switch housings 1; Rely on fastening bolt 3 and nut 4 that load switch body and flanged (FLGD) switch housing 1 is fastening, fill sulphur hexafluoride (SF in flanged (FLGD) switch housing 1 6) gas, the utility model structure can promote sulphur hexafluoride (SF 6) all be processed with the half slot that two " O " RunddichtringOs can be set on the flange face of two flanged (FLGD) switch housings in the on-load switch anti-leak performance present embodiment, but flange 11 peripheries have evenly been processed the circular hole 12 of a plurality of construction bolts; Flanged (FLGD) switch housing 1 is processed by epoxide resin material, and the switch housing bottom is inlaid with the double thread brass bolt 5 that is used to input or output; Two " O " RunddichtringO is formed by the vulcanized rubber material compacting.During use, two O-ring seals are positioned over sulphur hexafluoride (SF 6) on the on-load switch shell ring flange; Two O-ring seals embed in the sulphur hexafluoride on-load switch ring flange semi-circular recesses; Two flanged (FLGD) switch housings close into switch integral body; The inlet wire and the outlet that are positioned at the load switch body of switch are drawn from the brass bolt 5 of flanged (FLGD) switch housing 1 upper and lower part respectively, tighten up with nut 6; , evenly tighten the nut 4 on the ring flange fastening bolt 3, to sulphur hexafluoride (SF 6) on-load switch is envelope filled goes into sulphur hexafluoride (SF 6) gas gets final product.

Claims (1)

1. an electric line is characterized in that said sulphur hexafluoride with anti-leak sulphur hexafluoride three-phase load switch ThreeThe phase load switch is made up of flanged (FLGD) switch housing (1), two " O " RunddichtringO (2), fastening bolt (3) and nut (4); Switching mechanism be installed in two symmetrical structures flanged (FLGD) switch housing (1) between; The installed surface of two relative flanged (FLGD) switch housings (1) pastes tightly mutually; Two " O " RunddichtringO (2) embeds in the half slot on the flange face of flanged (FLGD) switch housing (1); Rely on fastening bolt (3) and nut (4) switch housing (1) fit sealing with two symmetrical structures, flanged (FLGD) switch housing fills sulfur hexafluoride gas in (1).
CN2012201418035U 2012-04-06 2012-04-06 Anti-leakage sulfur hexafluoride three-phase load switch for power transmission and distribution line Expired - Fee Related CN202513072U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201418035U CN202513072U (en) 2012-04-06 2012-04-06 Anti-leakage sulfur hexafluoride three-phase load switch for power transmission and distribution line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201418035U CN202513072U (en) 2012-04-06 2012-04-06 Anti-leakage sulfur hexafluoride three-phase load switch for power transmission and distribution line

Publications (1)

Publication Number Publication Date
CN202513072U true CN202513072U (en) 2012-10-31

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Application Number Title Priority Date Filing Date
CN2012201418035U Expired - Fee Related CN202513072U (en) 2012-04-06 2012-04-06 Anti-leakage sulfur hexafluoride three-phase load switch for power transmission and distribution line

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113357349A (en) * 2021-06-18 2021-09-07 中国第一汽车股份有限公司 Prediction method for sealing pressure of joint surface of speed reducer shell

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113357349A (en) * 2021-06-18 2021-09-07 中国第一汽车股份有限公司 Prediction method for sealing pressure of joint surface of speed reducer shell
CN113357349B (en) * 2021-06-18 2022-09-30 中国第一汽车股份有限公司 Prediction method for sealing pressure of joint surface of speed reducer shell

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: STATE GRID CORPORATION OF CHINA

Effective date: 20121206

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20121206

Address after: 330009 No. 88 min Qiang Road, private science and Technology Park, Jiangxi, Nanchang

Patentee after: Jiangxi Electric Power Science Academy

Patentee after: State Grid Corporation of China

Address before: 330009 No. 88 min Qiang Road, private science and Technology Park, Jiangxi, Nanchang

Patentee before: Jiangxi Electric Power Science Academy

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121031

Termination date: 20210406

CF01 Termination of patent right due to non-payment of annual fee