CN202259955U - Oil-SF6 sleeve electric connection component having shielding cover - Google Patents

Oil-SF6 sleeve electric connection component having shielding cover Download PDF

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Publication number
CN202259955U
CN202259955U CN2011201442453U CN201120144245U CN202259955U CN 202259955 U CN202259955 U CN 202259955U CN 2011201442453 U CN2011201442453 U CN 2011201442453U CN 201120144245 U CN201120144245 U CN 201120144245U CN 202259955 U CN202259955 U CN 202259955U
Authority
CN
China
Prior art keywords
oil
sleeve
conducting rod
radome
shielding cover
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
CN2011201442453U
Other languages
Chinese (zh)
Inventor
谢雄杰
胡伟
赵文强
彭宗仁
许佐明
邬雄
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.)
Xian Jiaotong University
Henan Pinggao Electric Co Ltd
State Grid Electric Power Research Institute
Original Assignee
Xian Jiaotong University
Henan Pinggao Electric Co Ltd
State Grid Electric Power Research Institute
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
Publication date
Application filed by Xian Jiaotong University, Henan Pinggao Electric Co Ltd, State Grid Electric Power Research Institute filed Critical Xian Jiaotong University
Priority to CN2011201442453U priority Critical patent/CN202259955U/en
Application granted granted Critical
Publication of CN202259955U publication Critical patent/CN202259955U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides an oil-SF6 sleeve electric connection component having a shielding cover. The oil-SF6 sleeve electric connection component having the shielding cover includes a connection pedestal of a conducting rod of a gas insulating combined electric device. The connection pedestal is a round plate disposed in a front end of the conducting rod. The round plate and a connecting face on an end part of the oil-SF6 sleeve are connected fixedly through a bolt. The shielding cover is connected fixedly in an outer part of a fixed connection position of the round plate in the front end of the conducting rod and the connecting face on the end part of the oil-SF6 sleeve. The inner surface and the outer surface of the shielding cover are arc-shaped annular metal shell having smooth transistions. The maximum outer diamemter is the same with the diameter of a tail of the oil-SF6 sleeve. The shielding sleeve can guarantee that no sharp projections exposes in a conection part. Therefore, a shileding problem of projections such as installation bolts and the like in the connection part of the conducting rod of a gas insulation combination electric device and the oil-Sf6 sleeve is solved. The electric field distribution condition is improved. And the oil-SF6 sleeve electric connection component having the shielding cover is simple in structure and reliable in contact.

Description

A kind of oil-SF6 electrosurgical trocar connecting elements with radome
Technical field
The utility model relates to a kind of oil-SF with radome 6The electrosurgical trocar connecting elements is specially and can effectively shields oil-SF 6The protrusion of sleeve pipe and gas insulated combined electrical equipment conducting rod junction plays this place's Electric Field Distribution effect shielding cap of improvement, belongs to high pressure combined electrical apparatus technical field.
Background technology
Oil-SF 6Sleeve pipe be a kind of with the transformer in the project of transmitting and converting electricity transformer station directly and the gas insulated combined electrical equipment connection device; Have that floor space is little, economy, environment do not have influence, strong, the high outstanding advantage of reliability of antiseismic ability to operation, has boundless application prospect in ultra extra-high voltage electric transmission and transformation engineering.
Oil-SF 6The safe extensive use of sleeve pipe needs to solve oil-SF 6The problem that is electrically connected between sleeve pipe and the gas insulated combined electrical equipment.Because oil-SF 6Being electrically connected between sleeve pipe and the gas insulated combined electrical equipment is to realize through the conducting rod of cannula tip and gas insulated combined electrical equipment is direct-connected, so guaranteeing that sleeve pipe and conducting rod load-carrying ability simultaneously, need guarantee that also the junction is firm, avoid becoming flexible, misplacing; Simultaneously, because protrusions such as the nut of connector, packing ring are exposed at outward in the gas insulated combined electrical equipment air chamber, these protrusions can make the local Electric Field Distribution in junction produce distortion; If this distortion can not get effective improvement, the local electric field strength that distortion causes is bigger than normal, will make this junction in test or running, be prone to broken down; Be the place that human eye can't see at work also because of this junction; In case break down, will prolong key equipments such as misfortune and switch, transformer, therefore; Need effective screening arrangement, in order to the Electric Field Distribution of improving the junction.In the prior art, do not retrieve in this place's increase and all press or the screening arrangement content.
Summary of the invention
The purpose of the utility model is the problem that proposes to background technology, proposes a kind of oil-SF with radome 6Electrosurgical trocar connecting elements, the radome in the said member play the effect of junction protrusion in the shield member.Realizing oil-SF 6Good electric and mechanical connection effectively shields the protrusions such as nut, packing ring of junction simultaneously between the conducting rod of sleeve pipe and gas insulated combined electrical equipment, improves the even distribution of this place's electric field.
The technical scheme of the utility model is: a kind of oil-SF with radome 6The electrosurgical trocar connecting elements comprises the connection base and the radome of gas insulated combined electrical equipment conducting rod, and described connection base is the disk that is positioned at the conducting rod front end, and screw is arranged on the disk, bolt is arranged with disk and oil-SF 6The cannula tip joint face is connected, and it is characterized in that: described conducting rod front end disk and oil-SF 6The outside that the cannula tip joint face is connected and locates also has radome, and described radome is the curved circular annular metal housing that surfaces externally and internally seamlessly transits, radome external diameter maximum and oil-SF 6The sleeve pipe afterbody is isometrical; Radome is connected on the conducting rod disk through bolt.Its beneficial effect is: radome can guarantee that the junction does not have most advanced and sophisticated ridge to expose, and has solved oil-SF 6The shielding problem of the protrusions such as construction bolt of the conducting rod junction of sleeve pipe and gas insulated combined electrical equipment has been improved the Electric Field Distribution situation at this place, and is simple in structure, contact is reliable.
Description of drawings
Accompanying drawing 1 is the utility model embodiment installation site sketch map;
Accompanying drawing 2 is the utility model embodiment junction profile;
Accompanying drawing 3 is the radome axial sectional view;
Accompanying drawing 4 is the radome vertical view.
Embodiment
Mark in the accompanying drawing: 1-gas insulated combined electrical equipment barrel; 2-radome; 3-oil-SF 6The joint face of sleeve pipe; 4-oil-SF 6The ring flange of sleeve pipe; The conducting rod of 5-gas insulated combined electrical equipment; 6-conducting rod front end disk; 7-oil-SF 6Sleeve pipe; 8-installation shielding bolt; 9-conducting rod and sleeve bolt;
Below in conjunction with accompanying drawing this new embodiment is described further:
Shown in accompanying drawing 1 ~ 4, oil-SF 6The joint face 3 that has internal thread hole is arranged on the tail end face of sleeve pipe 7, and the front end disk 6 of conducting rod 5 is fixed on through bolt 9 on the internal thread hole of joint face 3, forms oil-SF 6Sleeve pipe docks with gas insulated combined electrical equipment; Disk 6 is with joint face 3 whole good the encasing of sleeve pipe 7 like this; Form enough big contact-making surface; The current capacity that guarantees the junction satisfies sleeve pipe 7 service requirements, avoids because of the low security reliability that causes the conductor local overheating and then influence sleeve pipe 7 operations of current capacity.Front end disk 6 upper surfaces of conducting rod 5 have the internal thread hole that radome 2 is installed; Bolt 8 is connected radome 2 and disk 6 through internal thread hole; Radome 2 is curved circular annular metal housings that surfaces externally and internally seamlessly transits; Its outside does not have most advanced and sophisticated protrusion, radome 2 external diameter maximums (being φ 360mm in the present embodiment) and oil-SF 6Sleeve pipe 7 afterbodys are isometrical, and radome 2 is with oil-SF 6The joint face 3 of sleeve pipe, the front end disk 6 of conducting rod 5, bolt 8 and bolt 9 shield fully in radome 2, and the local field strength distortion that causes with the local crowning that prevents these parts or technologic defective increases.
Referring to accompanying drawing 3, accompanying drawing 4, in the present embodiment, radome 2 is an aluminum alloy materials; Adopt the spinning process moulding; And through the sanding and polishing processing, surfaces externally and internally is smooth, and the exterior contour of its section is made up of several circular arcs tangent to each other and straightway; Each circular arc seamlessly transits, does not have wedge angle, avoids radome 2 protruding the or most advanced and sophisticated shield effectiveness that influences itself to occur.In the present embodiment, the thickness of radome 2 is 3mm, maximum gauge 360mm, and whole height 140mm, three sections profile circular arc radius corresponding are respectively 20mm, 100mm and 50mm, radome 2 lower surfaces and oil-SF 6The spacing ≈ 2mm of sleeve pipe 7 afterbodys, radome 2 is not touched with base 3, has therefore realized oil-SF 6Seamlessly transitting of sleeve pipe 7 afterbodys.

Claims (1)

1. oil-SF with radome 6The electrosurgical trocar connecting elements comprises the connection base and the radome of gas insulated combined electrical equipment conducting rod, and described connection base is the disk that is positioned at the conducting rod front end, and screw is arranged on the disk, bolt is arranged with disk and oil-SF 6The cannula tip joint face is connected, and it is characterized in that: described conducting rod front end disk and oil-SF 6The outside that the cannula tip joint face is connected and locates also has radome, and described radome is the curved circular annular metal housing that surfaces externally and internally seamlessly transits, radome external diameter maximum and oil-SF 6The sleeve pipe afterbody is isometrical; Radome is connected on the conducting rod disk through bolt.
CN2011201442453U 2011-05-09 2011-05-09 Oil-SF6 sleeve electric connection component having shielding cover Expired - Lifetime CN202259955U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201442453U CN202259955U (en) 2011-05-09 2011-05-09 Oil-SF6 sleeve electric connection component having shielding cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201442453U CN202259955U (en) 2011-05-09 2011-05-09 Oil-SF6 sleeve electric connection component having shielding cover

Publications (1)

Publication Number Publication Date
CN202259955U true CN202259955U (en) 2012-05-30

Family

ID=46121144

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201442453U Expired - Lifetime CN202259955U (en) 2011-05-09 2011-05-09 Oil-SF6 sleeve electric connection component having shielding cover

Country Status (1)

Country Link
CN (1) CN202259955U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113130191A (en) * 2019-12-31 2021-07-16 济南西门子变压器有限公司 Breakdown prevention device and reactor thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113130191A (en) * 2019-12-31 2021-07-16 济南西门子变压器有限公司 Breakdown prevention device and reactor thereof

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Granted publication date: 20120530