CN202127229U - Cable joint - Google Patents
Cable joint Download PDFInfo
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- CN202127229U CN202127229U CN201120243099XU CN201120243099U CN202127229U CN 202127229 U CN202127229 U CN 202127229U CN 201120243099X U CN201120243099X U CN 201120243099XU CN 201120243099 U CN201120243099 U CN 201120243099U CN 202127229 U CN202127229 U CN 202127229U
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- cable
- cable joint
- conducting layer
- hole
- insulating barrier
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Abstract
The utility model discloses a cable joint, which comprises a T-shaped body, wherein the T-shaped body comprises an outer conductive layer, an insulation layer and an inner conductive layer. The outer conductive layer, the insulation layer and the inner conductive layer are arranged from the outside to the inside in sequence. The upper portion of the T-shaped body comprises a first hole composed of the insulation layer and the inner conductive layer, and the lower portion of the T-shaped body comprises a second hole composed of the insulation layer and the inner conductive layer. The specification of the T-shaped body is that the width is 168 mm, the height is 249 mm, and the external diameter cent is 69.5 mm, and the external diameter is of the outer conductive layer on the upper portion of the T-shaped body. Manufacture cost is reduced by reducing the specification of the cable joint, and when the cable joint is matched with power distribution cabinets and other electric equipment, the specification of the power distribution cabinets can be reduced, and the problem that the cable joint is difficult to install and maintain is solved.
Description
Technical field
The utility model relates to the electric power system field, relates in particular to a kind of 10KV tag.
Background technology
At present, in 10KV (kilovolt) electrical power trans mission/distribution system, application 1 0KV cable joint realization cable is connected and branch with cable, can power cable with cross-linked polyethylene insulation be connected with the reservation port of power distribution cabinet.The 10KV cable joint goes in the electric equipments such as various European case changes, ring main unit, cable branch box.
As shown in Figure 1; Existing 10KV cable joint comprises outer conducting layer 11, insulating barrier 12 and the inner conducting layer 13 that sets gradually from outside to inside, and the specification build of existing 10KV cable joint is bigger than normal, and also can be up to the standard direction wide 101 of overall dimension minimum is 282.5mm for 194mm, vertical direction high 102; Outer conducting layer external diameter 103 is ￠ 76mm; Be Dimensions w194xh282.5x ￠ 76mm, not only manufacturing cost is high to cause the 10KV cable joint, and; Installation and maintenance cable joint need to strengthen the specification of electric equipments such as power distribution cabinet than problems such as difficulties in electric equipments such as power distribution cabinet.
The utility model content
The purpose of the utility model provides a kind of cable joint, and little, the low cost of manufacture of implementation specification is easy for installation.
The purpose of the utility model realizes through following technical scheme:
A kind of cable joint; The body that comprises T shape; Said T shape body comprises outer conducting layer, insulating barrier and the inner conducting layer that sets gradually from outside to inside, and said T shape upper part of body comprises first hole that is made up of insulating barrier and inner conducting layer, and the bottom of said T shape body comprises second hole that is made up of insulating barrier and inner conducting layer; The specification of said T shape body is wide 168mm, high 249mm, external diameter ￠ 69.5mm, and said external diameter is the external diameter of the outer conducting layer on said T shape body top.
Wherein, said cable joint comprises joint behind cable front connector or the cable, or plug behind plug or the cable before the cable.
Wherein, the material of said outer conducting layer and said inner conducting layer comprises H59 or T2Y2 copper.
Wherein, the material of said insulating barrier comprises ethylene propylene diene rubber or silicon rubber.
Wherein, in said first hole conductive pole and bolt are set, the material of said conductive pole comprises the T2Y2 copper that electroplating surfaces with tin is handled, and said conductive pole is outside equipped with support tube, and the material of said support tube comprises LY12 aluminium.
Wherein, said first hole is combined with the block head of epoxide resin material, and said block head comprises cone body, and is said
Wherein, in said second hole stress cone is set.
Technical scheme by above-mentioned the utility model provides can be found out, through dwindling the specification of cable joint, reduces manufacturing cost, when electric equipments such as supporting power distribution cabinet, can dwindle the specification of distribution cabinet, solves cable joint and installs and safeguard the problem of difficulty.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skill in the art; Under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the formation sketch map of cable front connector in the prior art.
The formation sketch map of the cable joint that Fig. 2 provides for the utility model embodiment.
The formation sketch map that the cable joint that Fig. 3 provides for the utility model embodiment makes up.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment of the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the protection range of the utility model.
To combine accompanying drawing that the utility model embodiment is done to describe in detail further below.
As shown in Figure 2, the utility model embodiment provides a kind of cable joint, comprising:
The body 20 of T shape; T shape body 20 comprises outer conducting layer 21, insulating barrier 22 and the inner conducting layer 23 that sets gradually from outside to inside; The top of T shape body 20 comprises first hole 24 that is made up of insulating barrier and inner conducting layer; The bottom of said T shape body comprises second hole 25 that is made up of insulating barrier and inner conducting layer; The specification of T shape body 20 is: wide 201 for 168mm, high 202 is that 249mm, external diameter 203 are ￠ 69.5mm, and concrete, ￠ 69.5mm external diameter is the external diameter of the outer conducting layer 21 on T shape body 20 tops.
It is thus clear that T shape body 20 is of a size of w168mmxh249mmx ￠ 69.5mm, compare existing cable joint Dimensions w194xh282.5x ￠ 76mm, the utility model embodiment cable joint specification is much smaller.
The cable joint of the utility model embodiment is applicable in 10KV (kilovolt) electrical power trans mission/distribution system; Specifically can be the 10KV tag, the utility model embodiment cable joint can be plug behind plug or the cable before joint or the cable behind cable front connector or the cable.Concrete, behind cable front connector, the cable before joint, the cable behind plug, the cable plug can be able to understand referring to related content in the prior art, do not give unnecessary details at this.
Technical scheme by above-mentioned the utility model provides can be found out, through dwindling the specification of cable joint, reduces manufacturing cost, when electric equipments such as supporting power distribution cabinet, can dwindle the specification of distribution cabinet, solves cable joint and installs and safeguard the problem of difficulty.
And through dwindling the specification of cable joint, the air insulation between the cable joint has increased the creepage distance of out-of-phase voltage apart from increasing, and wherein, creepage distance refers between two current-carrying parts along the surperficial beeline of insulating material.
Particularly, the cable joint of the utility model embodiment, the material of the material of outer conducting layer 21 and inner conducting layer 23 can comprise H59 copper or T2Y2 copper.
The cable joint of the utility model embodiment, the material of insulating barrier 22 can comprise EPDM (Ethylene-Propylene-Diene Monomer, ethylene propylene diene rubber), perhaps silicon rubber.
Ethylene propylene diene rubber has excellent anti-weather, anti-ozone, heat-resisting, acid and alkali-resistance, water-fast steam, resistance to ag(e)ing, corrosion resistance, superior electrical insulation capability and corona resistance and physical and mechanical properties is arranged, favorable sealing property.
The conducting resinl hardness of ethylene propylene diene rubber (Shore A) 65-70, insulating cement hardness (Shore A) 50-55.
It is thus clear that the cable joint of the utility model embodiment goes for having all insulation, hermetically sealed, full-shield structure in the electric equipments such as various European case changes, ring main unit, cable branch box, need not insulation distance, safe and reliable; Dustproof, anticorrosion, non-maintaining, waterproof, anti-condensation; Be fit to any adverse circumstances; Make the influence of the various unfavorable factors of on-the-spot production and installation be reduced to minimum level; Can carry out flexile combination, guarantee all insulation between the cable, hermetically sealed, full-shield connection, realize the different branches purpose.
The cable joint of the utility model embodiment can be provided with conductive pole and bolt in first hole 24, and 25 are provided with stress cone in second hole.The material of conductive pole can comprise the T2Y2 copper that electroplating surfaces with tin is handled, and reduces resistivity.The material of bolt comprises 301 stainless steels.The material of stress cone can comprise ethylene propylene diene rubber or silicon rubber.
Conductive pole is outer can also to be provided with support tube, support tube is set makes things convenient for the conductive pole fitting operation.The material of support tube can comprise LY12 aluminium.
The cable joint of the utility model embodiment, first hole 24 can be combined with the block head of epoxide resin material.Block head comprises cone body, and the upper base of cone body is respectively ￠ 44mm, ￠ 50mm with the diameter of going to the bottom.
As shown in Figure 3, joint 32 behind joint lightning arrester 31 stube cables behind the cable, the stube cable front connector 33 again.
Particularly; Behind the cable behind joint lightning arrester 31, the cable joint 32, cable front connector 33 all can comprise outer conducting layer 301, insulating barrier 302 and inner conducting layer 303, behind the cable behind joint lightning arrester 31, the cable joint 32, cable front connector 33 all can comprise first hole that constitutes by insulating barrier and inner conducting layer.First hole that constitutes through insulating barrier and inner conducting layer, behind the cable behind joint lightning arrester 31, the cable joint 32, cable front connector 33 connect successively.
In joint 32 and the cable front connector 33, cable drew from the centre bore of stress cone 321, stress cone 331 behind cable, and cable is crimped on terminal 332 places, and through stud 333 cable was connected with conductive pole 334.
The conductive pole 334 outer support tubes 335 that can also be provided with LY12 aluminium are provided with support tube 335 and make things convenient for conductive pole 334 fitting operations.LY12 aluminium belongs to typical duralumin, hard alumin ium alloy, and its composition is more reasonable, and combination property is better, and intensity is high, and certain thermal endurance is arranged, and can be operated in the environment below 150 ℃.
The material of conductive pole 334 can comprise the T2Y2 copper that electroplating surfaces with tin is handled, and reduces resistivity.Stud 333 adopts 301 stainless steels, avoids in electric field, producing magnetic field.
Behind the cable behind joint lightning arrester 31, the cable conductive pole, double end spiral shell and the terminals in the joint 32 no longer repeat to introduce.
Particularly, block head 312 comprises cone body, and the upper base of cone body is respectively ￠ 44mm, ￠ 50mm with the diameter of going to the bottom, and is visible, because the specification of cable joint is dwindled, then the specification of block head is also dwindled.
Exemplary, the cable front connector with Dimensions w168mmxh249mmx ￠ 69.5mm shown in Figure 2 is an example below, explains that its electric property detects:
Reference to standard:
GB/T 12706.4 volume piezoelectricity press 6kV (Um=7.2kV) to the test requirements document of 35kV (Um=40.5kV) electric cable fitting.
GB5589 electric cable accessories test method.
The insulation coordination of GB311.1 high-tension power transmission and transformation equipment.
Detection:
Power frequency 42KV 1min does not have flashover to industrial frequency experiment (do examination) does not have puncture.
Partial discharge test: power frequency 15KV partial discharge quantity＜10PC.
The above; Be merely the preferable embodiment of the utility model; But the protection range of the utility model is not limited thereto; Any technical staff who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection range of the utility model.Therefore, the protection range of the utility model should be as the criterion with the protection range of claims.
Claims (7)
1. cable joint; It is characterized in that; The body that comprises T shape; Said T shape body comprises outer conducting layer, insulating barrier and the inner conducting layer that sets gradually from outside to inside, and said T shape upper part of body comprises first hole that is made up of insulating barrier and inner conducting layer, and the bottom of said T shape body comprises second hole that is made up of insulating barrier and inner conducting layer; The specification of said T shape body is wide 168mm, high 249mm, external diameter ￠ 69.5mm, and said external diameter is the external diameter of the outer conducting layer on said T shape body top.
2. cable joint according to claim 1 is characterized in that, said cable joint comprises joint behind cable front connector or the cable, or plug behind plug or the cable before the cable.
3. cable joint according to claim 1 is characterized in that, the material of said outer conducting layer and said inner conducting layer comprises H59 copper or T2Y2 copper.
4. cable joint according to claim 1 is characterized in that the material of said insulating barrier comprises ethylene propylene diene rubber or silicon rubber.
5. cable joint according to claim 1; It is characterized in that, in said first hole conductive pole and bolt are set, the material of said conductive pole comprises the T2Y2 copper that electroplating surfaces with tin is handled; Said conductive pole is outside equipped with support tube, and the material of said support tube comprises LY12 aluminium.
6. cable joint according to claim 1 is characterized in that said first hole is combined with the block head of epoxide resin material, and said block head comprises cone body, and the upper base of said cone body is respectively ￠ 44mm, ￠ 50mm with the diameter of going to the bottom.
7. cable joint according to claim 1 is characterized in that, in said second hole stress cone is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120243099XU CN202127229U (en) | 2011-07-11 | 2011-07-11 | Cable joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120243099XU CN202127229U (en) | 2011-07-11 | 2011-07-11 | Cable joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202127229U true CN202127229U (en) | 2012-01-25 |
Family
ID=45490291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120243099XU Expired - Fee Related CN202127229U (en) | 2011-07-11 | 2011-07-11 | Cable joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202127229U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044428A (en) * | 2015-06-03 | 2015-11-11 | 烟台东方威思顿电气股份有限公司 | Plug type voltage sensor with power supply and conductive shielding |
| CN105896367A (en) * | 2014-09-28 | 2016-08-24 | 刘洋 | Intelligent media landscape type ring main unit |
| CN108199203A (en) * | 2018-03-23 | 2018-06-22 | 深圳市光辉电器实业有限公司 | A kind of cable connector connector for being used for wind-powered electricity generation or photovoltaic apparatus |
-
2011
- 2011-07-11 CN CN201120243099XU patent/CN202127229U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896367A (en) * | 2014-09-28 | 2016-08-24 | 刘洋 | Intelligent media landscape type ring main unit |
| CN105044428A (en) * | 2015-06-03 | 2015-11-11 | 烟台东方威思顿电气股份有限公司 | Plug type voltage sensor with power supply and conductive shielding |
| CN105044428B (en) * | 2015-06-03 | 2018-03-06 | 烟台东方威思顿电气有限公司 | A kind of plug-type voltage sensor of charged and conductive shield |
| CN108199203A (en) * | 2018-03-23 | 2018-06-22 | 深圳市光辉电器实业有限公司 | A kind of cable connector connector for being used for wind-powered electricity generation or photovoltaic apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 Termination date: 20180711 |