CN106374405B - A kind of 10 kilovolts of wall-through bushing insulators - Google Patents
A kind of 10 kilovolts of wall-through bushing insulators Download PDFInfo
- Publication number
- CN106374405B CN106374405B CN201611093890.0A CN201611093890A CN106374405B CN 106374405 B CN106374405 B CN 106374405B CN 201611093890 A CN201611093890 A CN 201611093890A CN 106374405 B CN106374405 B CN 106374405B
- Authority
- CN
- China
- Prior art keywords
- cable
- bushing
- wall
- insulating
- porcelain bushing
- 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.)
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- 239000012212 insulator Substances 0.000 title claims abstract description 28
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 70
- 238000009413 insulation Methods 0.000 claims abstract description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 15
- 239000004411 aluminium Substances 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 230000004069 differentiation Effects 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 8
- 239000010949 copper Substances 0.000 abstract description 8
- 229910052802 copper Inorganic materials 0.000 abstract description 8
- 230000007423 decrease Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes
- H01B17/583—Grommets; Bushings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Insulators (AREA)
Abstract
The invention discloses a kind of 10 kilovolts of wall-through bushing insulators, including for the insulating porcelain bushing with wall connecting；It is arranged in inside insulating porcelain bushing, for conductive cable；It is socketed in the isolating shrinkable tube of cable peripheral part；The both ends of insulating porcelain bushing are equipped with the connecting terminal being electrically connected with cable.Wall-through bushing insulator provided by the present invention arranges aluminium in the prior art or copper bar is changed to the cable for itself having insulation performance, the casing can be directly transformed on existing insulating porcelain bushing device basic, the efficiency of insulating porcelain bushing internal part replacement can be improved and save replacement cost, in addition, by the peripheral part in cable, isolating shrinkable tube is set, so that the insulation performance of cable is further enhanced, even if when insulating porcelain bushing is cracked or insulation decline, the normal use of the insulating porcelain bushing will not be influenced under the wet environments such as rainwater, the insulating properties of the wall-through bushing insulator can effectively be improved, service life significantly improves.
Description
Technical field
The present invention relates to wall bushing device fields, more particularly to a kind of 10 kilovolts of wall-through bushing insulators.
Background technique
Currently, the implementation with State Grid Corporation of China rural area " rural power grids Jing Jing is logical " promotes, part power supply station motor-pumped well platform Qu Jing
After a period of time, wall bushing insulation performance sharply declines, and under the action of the bad weathers such as wind and rain, causes motor-pumped well platform for operation
The wall bushing insulation performance in area further decreases or breakdown, 10 KV line of initiation ground connection or trip accident, electric to company
Net safe and stable operation band hidden danger.
In the prior art, wall isolation porcelain bushing shell is internally provided with aluminium row or copper bar, and the peripheral part that copper bar or aluminium are arranged does not have
Dielectric protection layer such as encounters wet weather, easily causes casing and hit when insulating porcelain bushing has slight crack or insulation quality reduces
It wears, line-to-ground trip accident.
Simultaneously as the producer for making wall bushing in existing market is more, product insulation quality is irregular, when individual
The insulating porcelain bushing of batch when something goes wrong, if this kind of insulating porcelain bushing of batch replacement will lead to higher purchase expense again
With.
Therefore, the insulation performance of insulating porcelain bushing how is improved, and then improves the service life of insulating porcelain bushing, is ability
The current technical issues that need to address of field technique personnel.
Summary of the invention
The object of the present invention is to provide a kind of 10 kilovolts of wall-through bushing insulators, which can effectively be improved
The insulating properties of itself, and convenient for being transformed to existing insulated porcelain sleeve pipe device, low manufacture cost.
In order to solve the above technical problems, the invention provides the following technical scheme:
A kind of 10 kilovolts of wall-through bushing insulators, comprising:
For the insulating porcelain bushing with wall connecting；
It is arranged in inside the insulating porcelain bushing, for conductive cable；
It is socketed in the isolating shrinkable tube of the cable peripheral part；
The both ends of the insulating porcelain bushing are equipped with the connecting terminal being electrically connected with the cable.
Preferably, the cable peripheral part is also wound at least one insulating tape for limiting the cable position,
The diameter of the insulating tape is close with the intracavity diameter of the insulating porcelain bushing.
Preferably, place's number that the insulating tape is wound on the cable is to be located at the cable length at two
At one third and 2/3rds.
Preferably, the centre of the insulating porcelain bushing circumferentially portion be additionally provided with for fix the insulating porcelain bushing with it is described
The ring flange of wall.
Preferably, the cable is aluminium cable.
Preferably, the both ends of the insulating porcelain bushing are additionally provided with the umbrella group for locking sealing.
Preferably, waterproof sealing expansion glue is equipped in the umbrella group and the insulating porcelain bushing.
Preferably, it is also socketed on the connecting terminal for distinguishing the separate phase colour tube of the cable.
Wall-through bushing insulator provided by the present invention, including for the insulating porcelain bushing with wall connecting；It is arranged described
Inside insulating porcelain bushing, for conductive cable；It is socketed in the isolating shrinkable tube of the cable peripheral part；The insulating porcelain bushing
Both ends be equipped with the connecting terminal being electrically connected with the cable.The wall-through bushing insulator arranges aluminium in the prior art or copper
Row is changed to cable with insulation performance itself, which can be directly on existing insulating porcelain bushing device basic
It is transformed, the efficiency of insulating porcelain bushing internal part replacement can be improved and saves replacement cost, in addition, by described
The isolating shrinkable tube is arranged in the peripheral part of cable, so that the insulation performance of the cable is further enhanced, even if working as institute
When stating cracked insulating porcelain bushing or insulation decline, the normal of the insulating porcelain bushing will not be influenced under the wet environments such as rainwater
It uses, can effectively improve the insulating properties of the wall-through bushing insulator, service life significantly improves.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of specific embodiment of wall-through bushing insulator provided by the present invention；
Wherein: 1- connecting terminal, 2- phase colour tube, 3- expansion glue, 4- umbrella group, 5- cable, 6- isolating shrinkable tube, 7- insulation
Porcelain bushing shell, 8- insulating tape, 9- ring flange.
Specific embodiment
Core of the invention is to provide a kind of 10 kilovolts of wall-through bushing insulators, which can effectively improve
The insulating properties of itself, service life and use reliability significantly improve.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Referring to FIG. 1, Fig. 1 is a kind of structural representation of specific embodiment of wall-through bushing insulator provided by the present invention
Figure.
In this embodiment, wall-through bushing insulator includes insulating porcelain bushing 7, cable 5, isolating shrinkable tube 6 and wiring
Terminal 1.
Wherein, insulating porcelain bushing 7 and wall connecting, cable 5 are located in 7 internal cavities of insulating porcelain bushing, and cable 5 is for leading
Electricity, 5 both ends of cable should reserve the length beyond insulating porcelain bushing 7 between 10-20cm, including endpoint value, for electricity
Connecting terminal 1 is connected, isolating shrinkable tube 6 is socketed in the peripheral part of cable 5, it is preferred that the length of isolating shrinkable tube 6 and cable 5
It is identical, to protect the whole cables 5 being located in insulating porcelain bushing 7.Certainly, cable 5 can be common cable, to reduce cost.
Further, 5 peripheral part of cable is also wound with insulating tape 8 at least one for limiting 5 position of cable, insulating cement
Diameter with 8 is close with the intracavity diameter of insulating porcelain bushing 7.Preferably, the diameter of insulating tape 8 is equal to or slightly less than insulation
The intracavity diameter of porcelain bushing shell 7, so that cable 5 is limited in the middle position of insulating porcelain bushing 7 by insulating tape 8, to greatest extent
Cable 5 is protected not corroded by external environment, at the same time it can also make waterproof sealing expansion glue be evenly distributed on insulating porcelain bushing 7
Inner cavity in, guarantee the uniformity of waterproof sealing effect.
What needs to be explained here is that for the cable 5 being relatively large in diameter, or for cable 5 with a higher rigidity, on cable 5
The place's number for winding insulating tape 8 can be at one, and the middle position that cable 5 is arranged in can be realized to entire 5 position of cable
Limitation, but cable 5 smaller for diameter or softer can twine when insulating tape 8 can not support entire cable 5 at one
Insulating tape 8 at two are wound with, insulating tape 8 is located at the one third and 2/3rds of 5 length of cable at two, that is, is located at
At the trisection of cable 5.Above-mentioned setting, insulating tape 8 are wrapped on cable 5, can effectively guarantee the secured of insulating tape 8
Property.
Certainly, wound on cable 5 insulating tape 8 place's number may be at three or everywhere, can be according to specific need
It is selected, the installation site of insulating tape 8 also can according to need selection, and several equally divided positions that cable 5 is arranged in are only excellent
Scheme is selected, is specifically not limited to the program when design.
Preferably, circumferentially portion is additionally provided with the flange for fixing insulating porcelain bushing 7 Yu wall for the centre of insulating porcelain bushing 7
Disk 9, the setting of ring flange 9 can firmly connect insulating porcelain bushing 7 and wall, guarantee the positional stability of insulating porcelain bushing 7,
To be convenient for changing the components such as inner lead.
Further, cable 5 can be aluminium cable, and aluminium cable price is low, also, go out given in the present embodiment through walls exhausted
The insulation system of edge casing, it is sufficient to guarantee the insulating properties of aluminium cable, therefore, power supply needs can be met using aluminium cable, be not necessarily to
Using the higher copper conductor of price, the cost of manufacture of wall-through bushing insulator is further effectively reduced.Certainly, the use of aluminum conductor
The conducting wire of a kind of only preferred embodiment, copper conductor or other materials is equally applicable in the insulating sleeve.
In addition, the both ends of insulating porcelain bushing 7 are additionally provided with the umbrella group 4 for locking sealing, the price of umbrella group 4 is low, can
It is waterproof and dampproof effectively to block the both ends of insulating porcelain bushing 7.Meanwhile it can also be arranged in umbrella group 4 and insulating porcelain bushing 7
Waterproof sealing expansion glue 3 avoids rain erosion cable 5.
Certainly, in order to preferably distinguish the separate of cable 5, the phase color with particular color is also socketed on connecting terminal 1
Pipe 2.
The wall-through bushing insulator, which can arrange aluminium in the prior art, or copper bar is changed to itself has insulation performance
Cable 5, also, isolating shrinkable tube 6 is arranged by the peripheral part in cable 5, so that the insulation performance of cable 5 is further mentioned
Height can be with even if will not influence the normal use of cable 5 under the wet environments such as rainwater when insulating porcelain bushing 7 is cracked
The insulating properties of the wall-through bushing insulator is effectively raised, service life significantly improves.
In addition, the casing can be directly transformed on the basis of existing insulated porcelain sleeve pipe device, so that existing exhausted
Edge porcelain bushing shell 7 re-uses, and insulating porcelain bushing 7 can be improved and replace efficiency and save replacement cost.
Specifically, the present embodiment additionally provides a kind of production method that existing insulating porcelain bushing 7 is transformed, steps are as follows:
Step 1: removing the inner core (including aluminium row or copper bar) in original wall in insulating porcelain bushing 7, only stay insulated porcelain sleeve
Pipe 7；
Step 2: 10 kilovolts of threephase cables 5 are reserved by the size of insulating porcelain bushing 7 it is sawed-off after certain length, and by three-phase
Cable 5 is divided into single (about 0.6 meter of 5 length of cable or so, the reserved 15cm in 5 both ends of cable)；
Step 3: unit cable 5 (aluminium cable) being inserted in isolating shrinkable tube 6 and carries out pyrocondensation, tightens cable, mid-wrap
Insulating tape 8 and the cavity inside diameter of insulating porcelain bushing 7 are almost the same, and after fixed insulating tape 8, cable 5 is penetrated insulated porcelain sleeve
In the inner cavity of pipe 7, cable 5 is made to be in the middle position of insulating porcelain bushing 7 always；
Step 4: 5 both ends of cable crimp connecting terminal 1 (aluminum steel nose), and spraying expansion glue 3 seals in insulating porcelain bushing 7, so
Umbrella group 4 is inserted at both ends afterwards and phase colour tube 2 carries out pyrocondensation sealing.
Wall-through bushing insulator after this is made has the advantage that
1, safe and reliable；
It is improved since wall isolation porcelain bushing shell 7 itself and 10 kv cables 5 have good pressure-resistant insulation performance
The dielectric strength of wall bushing further enhances, unimportant when insulating porcelain bushing 7 has slight crack or insulation performance to reduce,
Because the insulating layer and isolating shrinkable tube 6 of 10 kv cables 5 can achieve insulating requirements, to substantially increase wall isolation
The safe operation coefficient of casing has thoroughly prevented the line tripping accident caused by 10 kilovolts of wall-through bushing insulator breakdown；
2, economical and practical；
If existing insulating porcelain bushing 7 is changed to silicon rubber wall bushing, every group about 1300 yuan of cost or so, and it is sharp
It is about 250 yuan or so with the Master Cost that existing insulating porcelain bushing 7 is transformed, and the material is common easily purchase, without special material
Material, investment for trnasforming urban land is few, quick in this way, greatly reduces cost.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Wall-through bushing insulator provided by the present invention is described in detail above.Specific case pair used herein
The principle of the present invention and embodiment are expounded, method of the invention that the above embodiments are only used to help understand
And its core concept.It should be pointed out that for those skilled in the art, before not departing from the principle of the invention
It puts, can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the guarantor of the claims in the present invention
It protects in range.
Claims (7)
1. a kind of 10 kilovolts of wall-through bushing insulators characterized by comprising
For the insulating porcelain bushing (7) with wall connecting；
It is arranged in the insulating porcelain bushing (7) inside, for conductive cable (5)；
It is socketed in the isolating shrinkable tube (6) of the cable (5) peripheral part；
The both ends of the insulating porcelain bushing (7) are equipped with the connecting terminal (1) being electrically connected with the cable (5)；The insulation heat
The draw (6) peripheral part is also wound at least one insulating tape (8) for limiting the cable (5) position, the insulating cement
The diameter of band (8) is close with the intracavity diameter of the insulating porcelain bushing (7).
2. wall-through bushing insulator according to claim 1, which is characterized in that on the isolating shrinkable tube (6) described in winding
Place's number of insulating tape (8) is to be located at the one third and 2/3rds of the cable (5) length at two.
3. wall-through bushing insulator according to claim 1, which is characterized in that the centre of the insulating porcelain bushing (7) is along outer
Circumference is additionally provided with the ring flange (9) for fixing the insulating porcelain bushing (7) Yu the wall.
4. according to claim 1 to wall-through bushing insulator described in 3 any one, which is characterized in that the cable (5) is aluminium electricity
Cable.
5. wall-through bushing insulator according to claim 4, which is characterized in that the both ends of the insulating porcelain bushing (7) are also set
There is the umbrella group (4) for locking sealing.
6. wall-through bushing insulator according to claim 5, which is characterized in that the umbrella group (4) and the insulation porcelain
Waterproof sealing expansion glue (3) are equipped in casing (7).
7. wall-through bushing insulator according to claim 6, which is characterized in that be also socketed on the connecting terminal (1) useful
In the phase colour tube (2) that the differentiation cable (5) is separate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093890.0A CN106374405B (en) | 2016-12-01 | 2016-12-01 | A kind of 10 kilovolts of wall-through bushing insulators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093890.0A CN106374405B (en) | 2016-12-01 | 2016-12-01 | A kind of 10 kilovolts of wall-through bushing insulators |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106374405A CN106374405A (en) | 2017-02-01 |
| CN106374405B true CN106374405B (en) | 2019-05-31 |
Family
ID=57891756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611093890.0A Active CN106374405B (en) | 2016-12-01 | 2016-12-01 | A kind of 10 kilovolts of wall-through bushing insulators |
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| Country | Link |
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| CN (1) | CN106374405B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611464B (en) * | 2021-07-27 | 2023-02-03 | 贵州电网有限责任公司 | Porcelain bushing device with good water resistance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1169590A (en) * | 1997-08-11 | 1999-03-09 | Denso Corp | Structure for drawing out cable terminal |
| CN1929041A (en) * | 2006-08-17 | 2007-03-14 | 江苏东源电器集团股份有限公司 | 35KV O-shaped bus wall bushing |
| CN202473435U (en) * | 2011-12-23 | 2012-10-03 | 河南瑞特电气有限公司 | Porcelain sleeve having parachute skirt and leading lead inward |
| CN203589642U (en) * | 2013-11-08 | 2014-05-07 | 辽宁浩方天成智能系统有限公司 | High-voltage conductor dry-type insulating bush |
| CN205673082U (en) * | 2016-06-03 | 2016-11-09 | 南京兴泰龙特种陶瓷有限公司 | Electric cleaner is with 95 porcelain wall bushings |
-
2016
- 2016-12-01 CN CN201611093890.0A patent/CN106374405B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1169590A (en) * | 1997-08-11 | 1999-03-09 | Denso Corp | Structure for drawing out cable terminal |
| CN1929041A (en) * | 2006-08-17 | 2007-03-14 | 江苏东源电器集团股份有限公司 | 35KV O-shaped bus wall bushing |
| CN202473435U (en) * | 2011-12-23 | 2012-10-03 | 河南瑞特电气有限公司 | Porcelain sleeve having parachute skirt and leading lead inward |
| CN203589642U (en) * | 2013-11-08 | 2014-05-07 | 辽宁浩方天成智能系统有限公司 | High-voltage conductor dry-type insulating bush |
| CN205673082U (en) * | 2016-06-03 | 2016-11-09 | 南京兴泰龙特种陶瓷有限公司 | Electric cleaner is with 95 porcelain wall bushings |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106374405A (en) | 2017-02-01 |
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Inventor after: Yuan Rongguo Inventor after: Zheng Yu Inventor after: Li Mingchao Inventor after: Wang Bin Inventor after: Wang Xinxia Inventor after: Wang Xiangwei Inventor after: Li Haitao Inventor after: Qin Jianli Inventor after: Di Ru Inventor after: Liang Zhongwei Inventor after: Zhao Zhenghua Inventor after: Ma Zhifeng Inventor after: Li Shujun Inventor after: Zhang Zhi Inventor after: Gao Feng Inventor after: Sheng Yang Inventor after: Luo Tao Inventor after: Kong Debing Inventor after: Wei Huifeng Inventor after: Hao Zhiyu Inventor after: Wang Xinming Inventor before: Yuan Rongguo Inventor before: Gao Feng Inventor before: Kong Debing Inventor before: Hao Zhiyu Inventor before: Wei Huifeng Inventor before: Wang Xinming |
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