CN202949199U - Solid insulation busbar connection structure for connecting switch device and user side - Google Patents

Solid insulation busbar connection structure for connecting switch device and user side Download PDF

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Publication number
CN202949199U
CN202949199U CN 201220590906 CN201220590906U CN202949199U CN 202949199 U CN202949199 U CN 202949199U CN 201220590906 CN201220590906 CN 201220590906 CN 201220590906 U CN201220590906 U CN 201220590906U CN 202949199 U CN202949199 U CN 202949199U
Authority
CN
China
Prior art keywords
solid insulated
insulated busbar
busbar
conducting layer
solid
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.)
Withdrawn - After Issue
Application number
CN 201220590906
Other languages
Chinese (zh)
Inventor
陈朝晖
杨家坤
王萍萍
邓广桓
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.)
GUANGDONG GCA CABLE ACCESSORY CO Ltd
Original Assignee
GUANGDONG GCA CABLE ACCESSORY 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
Publication date
Application filed by GUANGDONG GCA CABLE ACCESSORY CO Ltd filed Critical GUANGDONG GCA CABLE ACCESSORY CO Ltd
Priority to CN 201220590906 priority Critical patent/CN202949199U/en
Application granted granted Critical
Publication of CN202949199U publication Critical patent/CN202949199U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a solid insulation busbar connection structure for connecting a switch device and a user side. The solid insulation busbar connection structure is inserted into an air chamber of a switch cabinet to be electrically connected with a matched part in the air chamber. The solid insulation busbar connection structure is characterized by being composed of a solid insulating busbar and a busbar plug sleeved outside the solid insulating busbar, wherein two ends of the solid insulating busbar extend out of the busbar plug; a first external conducting layer is arranged on the solid insulating busbar, a second external conducting layer is arranged on the busbar plug, and the first external conducting layer and the second external conducting layer are electrically connected and connected with the ground. By means of the solid insulation buabar connection structure, basic structure and appearance dimension of the switch device do not need to be changed, and the solid insulation busbar connection structure is low in manufacture cost, good in effect, capable of well achieving the aim of being economical, capable of remarkably saving installation space and integral cost of the switch device, full-insulating, free of maintenance and high in protective property.

Description

A kind of solid insulated busbar syndeton that is connected with user side for switchgear
Technical field
The utility model relates to a kind of electric cable fitting, particularly a kind of solid insulated busbar syndeton that is connected with user side for switchgear.
Background technology
In circuit on power system, middle pressure sulphur hexafluoride (SF6) gas-insulated switch is a kind of switchgear of commonly using.At present, the electrical connection of middle pressure sulphur hexafluoride (SF6) gas-insulated switch and other electric equipments and user side is all to select power cable and annex thereof to realize as the connected mode of line basically.Electric cable accessories commonly used has these two kinds of inner cone plugging formula terminal and separable connectors, but these connected modes have the following disadvantages: existing every cable line (maximum cross-section 630mm 2) can only satisfy the rated current of 1250A, when the loop of the large electric current of customer requirements (as 2000A or 2500A), just must adopt the paired cable circuit, complexity and the overall dimension of switchgear have so just been strengthened, also to install and use simultaneously cover cable and an annex thereof more, the cost increase is very large, has limited using and developing of middle pressure sulphur hexafluoride (SF6) this class switchgear of gas-insulated switch.
In the prior art, the syndeton that is used for the cabinet splicing between switch cubicle and switch cubicle, factor different due to purposes, that consider is different, applicable situation is different, can not be applied directly to being connected of switch cubicle and user side.
The utility model content
The purpose of this utility model is to provide a kind of solid insulated busbar syndeton that is connected with user side for switchgear, this syndeton compact and reasonable, simple installation, use reliable, all insulation, non-maintaining, the rated current of middle pressure sulphur hexafluoride (SF6) gas-insulated switchgear can be improved more than 1 times, can be directly used in large current circuit and do not need to change switchgear, can save significantly installing space and the complete machine cost of switchgear simultaneously.
For reaching above-mentioned purpose, the utility model adopts following technical scheme: a kind of solid insulated busbar syndeton that is connected with user side for switchgear, insert in the air chamber of switch cubicle, be electrically connected to the auxiliary equipment in air chamber, it is characterized in that, be comprised of solid insulated busbar and the bus plug that is set in the solid insulated busbar outside, bus plug is stretched out at solid insulated busbar two ends; Solid insulated busbar is provided with outer conducting layer one, and bus plug is provided with outer conducting layer two, is electrically connected to and ground connection between outer conducting layer one and outer conducting layer two.
According to as above scheme, solid insulated busbar is inserted in bus plug or bus plug is sleeved on solid insulated busbar just can be assembled into the solid insulated busbar syndeton outward, then insert in air chamber, be electrically connected to and fix with the auxiliary equipment in corresponding air chamber, connect user side with the other end of solid insulated busbar, can finally realize being electrically connected to of switchgear and user side.Even also have device or the equipment of voltage transitions between switchgear and user side, this solid insulated busbar syndeton is applicable equally.
In particular, described solid insulated busbar is comprised of copper pipe and the solid insulating layer that is coated on the copper pipe outside, is electrically connected to auxiliary equipment realization in air chamber by copper pipe.
As preferably, described copper pipe refers to copper tube.
As preferably, the junction of the auxiliary equipment in described copper pipe and air chamber is provided with silver coating.
As a kind of concrete design, described bus plug is sleeve-shaped, and the cavity in it and the profile of solid insulated busbar are suitable, and the inwall of bus plug and the contact position of solid insulated busbar are provided with air-gap screened cover.Bus plug can adopt the insulation elastomeric material to make, and closely cooperates with solid insulated busbar.
Be provided with the flange that is connected for air chamber on described solid insulated busbar; Described bus plug is positioned at above flange.Mounting flange is set on solid insulated busbar, but being connected of easy solid isolated bus syndeton and air chamber; And bus plug is set on solid insulated busbar and be positioned at the top of flange, and flange can also play certain support and sealing function, killing three birds with one stone.
Described flange refers to metal flange; Outer conducting layer one is arranged on solid insulated busbar and is positioned at the outer part of air chamber, and outer conducting layer two only is arranged on the end that bus plug contacts with flange, is electrically connected to by metal flange between outer conducting layer one and outer conducting layer two.
Described flange is provided with seal groove, is conducive to the enhanced leaktightness effect.
Design principle of the present utility model is such: adopt said structure to be used for realizing being connected of switch cubicle and user side, be equivalent to use that solid insulated busbar has substituted power cable, bus plug has substituted cable termination, and correspondingly carried out shape, structural design and optimization, considered through-current capability and the factor such as convenient is installed and has drawn.Because the conductor cross-sectional flow area in solid insulated busbar in the design is more much larger than the sectional area of power cable, therefore can improve the through-current capability of middle pressure sulphur hexafluoride (SF6) gas-insulated switchgear more than 1 times; Simultaneously be provided with outer conducting layer due to the solid insulated busbar surface, so accomplished all insulation, non-maintaining, barrier propterty is high.
The utility model possesses following outstanding advantages and effect with respect to prior art:
1, solid insulated busbar syndeton of the present utility model, to propose for the deficiency that has the power cable connected mode now, by using this syndeton, do not need to change basic structure and the overall dimension of switchgear, low cost of manufacture, effective, be the improved procedure that best embodies economy, can significantly save installing space and the complete machine cost of switchgear;
2, by using solid insulated busbar syndeton of the present utility model, the rated current of middle pressure sulphur hexafluoride (SF6) gas-insulated switchgear is improved 1 times, can be directly used in large current circuit;
3, solid insulated busbar syndeton of the present utility model, all insulation, non-maintaining, barrier propterty is high.
Description of drawings
Fig. 1 is the structural representation of the solid insulated busbar in the utility model;
Fig. 2 is the structural representation of the bus plug in the utility model;
Fig. 3 is the structural representation of solid insulated busbar syndeton of the present utility model;
Fig. 4 is the connection diagram of solid insulated busbar syndeton of the present utility model and air chamber;
Wherein, the 1st, solid insulated busbar, 1.1 is that solid insulating layer, 2 is that bus plug, 3 is air chamber, the 4th, air chamber side plate, the 5th, sealing ring, 10 are that air-gap screened cover, 11 is that outer conducting layer two, 12 is that copper pipe, 13 is that silver coating, 14 is that flange, 15 is that outer conducting layer one, 16 is seal groove.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
Embodiment one
As shown in Figure 1, 2, 3, solid insulated busbar syndeton of the present utility model is comprised of solid insulated busbar 1 and bus plug 2.Solid insulated busbar 1 is comprised of copper pipe 12 and the solid insulating layer 1.1 that is coated on the copper pipe outside, copper pipe 12 adopts copper tube, solid insulated busbar is provided with outer conducting layer 1, be provided with on solid insulated busbar 1 for the flange 14 that is connected with air chamber, flange refers to metal flange, and flange 14 is provided with seal groove 16.Bus plug 2 is sleeve-shaped, and the cavity in it and the profile of solid insulated busbar 1 are suitable, and the inwall of bus plug 2 and the contact position of solid insulated busbar are provided with air-gap screened cover 10, and bus plug 2 is provided with outer conducting layer 2 11.
Solid insulated busbar syndeton of the present utility model is to connect like this: bus plug 2 covers are set to the outside of solid insulated busbar 1, bus plug 2 is positioned at flange 14 tops, is electrically connected to by flange 14 between the outer conducting layer 2 11 of bus plug 2 and the outer conducting layer 1 of solid insulated busbar 1; Stretch out outside bus plug 2 at solid insulated busbar 1 two ends.
auxiliary equipment in solid insulated busbar syndeton of the present utility model and air chamber is to be connected like this (as shown in Figure 4): the auxiliary equipment in air chamber refers to be arranged in advance the bus-bar insulator (bus-bar insulator can adopt and has the interior structure of switchgear now or carry out corresponding accommodation) on the air chamber side plate 4 of gas-insulated switchgear, bus-bar insulator is provided with copper insert, copper insert is provided with the groove for the mounting spring fingertip: at first spring touch finger is installed in the groove of copper insert of bus-bar insulator, then bus plug 2 cover is installed to that on the solid insulated busbar 1 insulation conical surface, (solid insulating layer of solid insulated busbar is tapered in the part that solid insulated busbar inserts air chamber, install with convenient, therefore also referred to as the insulation conical surface), sealing ring 5 is installed in the seal groove 16 of flange 14, after bus plug 2 installs on solid insulated busbar 1, insert together in bus-bar insulator, at this moment, the conductor material of solid insulated busbar 1---copper pipe 12 contacts to realize with spring touch finger to be electrically connected to, and copper pipe 12 is provided with silver coating 13 with the spring touch finger contact position, realize being electrically connected to and ground connection by flange 14 between the outer conducting layer 2 11 of bus plug 2 and the outer conducting layer 1 of solid insulated busbar 1, flange 14 and air chamber side plate 4 are fixed installation.
Outer conducting layer 1 can only be arranged on solid insulated busbar 1 and be positioned at the outer part of air chamber 3, and outer conducting layer 2 11 only is arranged on the end that bus plug contacts with flange.
Embodiment two
The present embodiment and embodiment one difference only are, flange is not set on solid insulated busbar 1, directly adopt installed part to install, and adopt existing hermetically-sealed construction to seal, and outer conducting layer 1 and outer conducting layer 2 11 directly are electrically connected to.
Embodiment three
The present embodiment and embodiment one difference only be, flange is nonmetal flange, and outer conducting layer 1 and outer conducting layer 2 11 directly are electrically connected to.
Above-described embodiment is the better execution mode of the utility model; but execution mode of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, within being included in protection range of the present utility model.

Claims (8)

1. one kind is used for the solid insulated busbar syndeton that switchgear is connected with user side, insert in the air chamber of switch cubicle, be electrically connected to the auxiliary equipment in air chamber, it is characterized in that, be comprised of solid insulated busbar and the bus plug that is set in the solid insulated busbar outside, bus plug is stretched out at solid insulated busbar two ends; Solid insulated busbar is provided with outer conducting layer one, and bus plug is provided with outer conducting layer two, is electrically connected to and ground connection between outer conducting layer one and outer conducting layer two.
2. the solid insulated busbar syndeton that is connected with user side for switchgear according to claim 1, it is characterized in that, described solid insulated busbar is comprised of copper pipe and the solid insulating layer that is coated on the copper pipe outside, is electrically connected to auxiliary equipment realization in air chamber by copper pipe.
3. the solid insulated busbar syndeton that is connected with user side for switchgear according to claim 2, is characterized in that, described copper pipe refers to copper tube.
4. the solid insulated busbar syndeton that is connected with user side for switchgear according to claim 2, is characterized in that, the junction of the auxiliary equipment in described copper pipe and air chamber is provided with silver coating.
5. the solid insulated busbar syndeton that is connected with user side for switchgear according to claim 1, it is characterized in that, described bus plug is sleeve-shaped, cavity in it and the profile of solid insulated busbar are suitable, and the inwall of bus plug and the contact position of solid insulated busbar are provided with air-gap screened cover.
6. the described solid insulated busbar syndeton that is connected with user side for switchgear of any one according to claim 1 to 5, is characterized in that, is provided with the flange that is connected for air chamber on described solid insulated busbar; Described bus plug is positioned at above flange.
7. the solid insulated busbar syndeton that is connected with user side for switchgear according to claim 6, is characterized in that, described flange refers to metal flange; Outer conducting layer one is arranged on solid insulated busbar and is positioned at the outer part of air chamber, and outer conducting layer two only is arranged on the end that bus plug contacts with flange, is electrically connected to by metal flange between outer conducting layer one and outer conducting layer two.
8. the solid insulated busbar syndeton that is connected with user side for switchgear according to claim 6, is characterized in that, described flange is provided with seal groove.
CN 201220590906 2012-11-09 2012-11-09 Solid insulation busbar connection structure for connecting switch device and user side Withdrawn - After Issue CN202949199U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220590906 CN202949199U (en) 2012-11-09 2012-11-09 Solid insulation busbar connection structure for connecting switch device and user side

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220590906 CN202949199U (en) 2012-11-09 2012-11-09 Solid insulation busbar connection structure for connecting switch device and user side

Publications (1)

Publication Number Publication Date
CN202949199U true CN202949199U (en) 2013-05-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220590906 Withdrawn - After Issue CN202949199U (en) 2012-11-09 2012-11-09 Solid insulation busbar connection structure for connecting switch device and user side

Country Status (1)

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CN (1) CN202949199U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103001167A (en) * 2012-11-09 2013-03-27 广东吉熙安电缆附件有限公司 Solid insulation bus connecting structure for connection of switchgear with client side
CN107732474A (en) * 2017-10-11 2018-02-23 江苏士林电气设备有限公司 A kind of complete prefabricated high direct voltage insulating tube type busbar joint

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103001167A (en) * 2012-11-09 2013-03-27 广东吉熙安电缆附件有限公司 Solid insulation bus connecting structure for connection of switchgear with client side
CN103001167B (en) * 2012-11-09 2015-10-07 广东吉熙安电缆附件有限公司 A kind of solid insulated busbar syndeton be connected with user side for switchgear
CN107732474A (en) * 2017-10-11 2018-02-23 江苏士林电气设备有限公司 A kind of complete prefabricated high direct voltage insulating tube type busbar joint

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130522

Effective date of abandoning: 20151007

C25 Abandonment of patent right or utility model to avoid double patenting