CN209183345U - A kind of high-voltage connection insulation auxiliary device - Google Patents
A kind of high-voltage connection insulation auxiliary device Download PDFInfo
- Publication number
- CN209183345U CN209183345U CN201822190155.2U CN201822190155U CN209183345U CN 209183345 U CN209183345 U CN 209183345U CN 201822190155 U CN201822190155 U CN 201822190155U CN 209183345 U CN209183345 U CN 209183345U
- Authority
- CN
- China
- Prior art keywords
- layer
- voltage connection
- auxiliary device
- copper pipe
- insulate
- 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.)
- Active
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052802 copper Inorganic materials 0.000 claims abstract description 28
- 239000010949 copper Substances 0.000 claims abstract description 28
- 238000009422 external insulation Methods 0.000 claims abstract description 9
- 239000012212 insulator Substances 0.000 claims abstract description 5
- 239000003822 epoxy resin Substances 0.000 claims description 13
- 229920000647 polyepoxide Polymers 0.000 claims description 13
- 239000011152 fibreglass Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 21
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010891 electric arc Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Insulators (AREA)
Abstract
The utility model discloses a kind of high-voltage connection insulation auxiliary devices, including copper pipe, insulated part and full skirt;Insulated part includes arc extinguishing layer, inner insulating layer and external insulation layer;Arc extinguishing layer is wrapped on the copper pipe of 8mm, and copper pipe both ends are connected with ground wire;Inner insulating layer is wrapped in arc extinguishing layer;External insulation layer is wrapped on inner insulating layer;The both ends of copper pipe are connected with ground wire, are provided with lead connecting pieces on ground wire;Copper pipe End is provided with insulator cover;Insulated part is provided with the full skirt for increasing creepage distance by the part of two close end.When the utility model is suitable for carrying out pressure resistance to electrical equipment, high-voltage connection increases insulating safety distances when passing through the slypes such as substation's door, corridor, guarantees that pressure resistance is normally carried out.Increase the supplementary insulation distance of high-voltage connection bar by insulating layer.Quick connecting lead wire component is arranged in both ends, convenient for live rapid lead wire connection.
Description
[technical field]
The utility model belongs to seal field, is related to a kind of high-voltage connection insulation auxiliary device.
[background technique]
Ac voltage withstanding test is identification insulation of electrical installation intensity most straightforward approach, to judging whether electrical equipment puts into
Operation has decisive significance.When carrying out pressure test to high voltage electric equipment, the High voltage output and test item of testing equipment
Between connected with high-voltage connection and just can be carried out test.It is wherein that high-voltage connection is hanging, and keep enough with surrounding
Safe distance, lead arrangement whether it is stable and firm be seriously affect test safety unfavorable factor.When On-Site Testing, by
It is not able to satisfy test requirements document in insulation distance, needs civil engineering unit non-load bearing wall of dismantling to be tested, or uncompleted in civil engineering
In the case of, civil engineering suspension of works is built a wall after can just return to work after the completion of pressure test, serious engineering constraint progress.
The customary practice of arrangement high-voltage connection is: at slype by insulating cord it is horizontal draw it is perpendicular hang, make high-voltage connection with
Channel surrounding keeps enough safe distances.This way has the disadvantages that
1, make bracing wire using insulating cord, arrangement is got up more troublesome, not only unsightly reduction efficiency again;
2, during testing, if insulating cord loosens disconnection suddenly, it is easily damaged tested device and instrument, is caused the accident;
3, it is affected by the external environment big, swing is also big when wind is big, seriously affects test result and has security risk;
It 4, nearby may be without the fixed insulating cord in suitable place at some channels.
Since test apparatus equipment volume is larger, cannot transport to interior, high pressure connecting lead wire when passing through passageway doors, by
It is inadequate in insulation distance, closer object discharge equidistant to doorframe often occurs.Test voltage is not able to satisfy regulation regulation,
Often generate electric discharge phenomena.To solve this problem, a set of high-voltage connection supplementary insulation device for improving field distribution is developed.
[utility model content]
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts provides a kind of high-voltage connection insulation auxiliary dress
It sets, when which is suitable for carrying out pressure resistance to electrical equipment, high-voltage connection increases when passing through the slypes such as substation's door, corridor
Insulating safety distances guarantee that pressure resistance is normally carried out.
In order to achieve the above objectives, the utility model is achieved using following technical scheme:
A kind of high-voltage connection insulation auxiliary device, comprising:
Copper pipe;
Insulated part, insulated part include arc extinguishing layer, inner insulating layer and the external insulation layer being successively arranged;Arc extinguishing layer is wrapped in
On copper pipe, copper pipe both ends are connected with ground wire;
And full skirt, it is positioned close to the part at insulated part both ends, for increasing creepage distance.
The utility model further improvement is that
The diameter of copper pipe is 8mm, with a thickness of 1.8mm.
External insulation layer uses epoxy resin fiberglass pipe, and heat-resisting rank is B grades, heat-resisting 130 DEG C.
Epoxy resin fiberglass pipe with a thickness of 3mm.
Arc extinguishing layer includes internal layer and outer layer two parts, and outer layer is epoxy resin pipe, and internal layer is with flame-resistant insulation effect
Vulcanized fiber tube.
The epoxy resin pipe of arc extinguishing layer internal layer with a thickness of 6mm.
The caliber of the vulcanized fiber tube of arc extinguishing layer outer layer is 3mm, and pressure resistance is greater than 50000 volts.
It is provided at the both ends connection ground wire of copper pipe and insulator cover is made by silicon rubber.
On the ground wire of copper pipe both ends connection, it is provided with lead connecting pieces.
Lead connecting pieces are made of red copper.
Compared with prior art, the utility model has the following beneficial effects:
When being suitable for carrying out pressure resistance to electrical equipment the utility model proposes one kind, high-voltage connection passes through substation's door, building
Increase insulating safety distances when the slypes such as road, guarantees the auxiliary device that pressure resistance is normally carried out.Increase high pressure by insulating layer
The supplementary insulation distance of lead bar.
Further, quick connecting lead wire component is arranged in the utility model both ends, convenient for live rapid lead wire connection.
[Detailed description of the invention]
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the structural schematic diagram of the utility model full skirt.
Wherein: 1- ground wire;2- arc extinguishing layer;3- inner insulating layer;4- insulating layer.
[specific embodiment]
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model a part, the embodiment being not all of, and is not intended to limit the utility model
Scope of disclosure.In addition, in the following description, descriptions of well-known structures and technologies are omitted, obscure to avoid unnecessary
Concept disclosed by the utility model.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, all should belong to the range of the utility model protection.
The various structural schematic diagrams that embodiment is disclosed according to the utility model are shown in the attached drawings.These figures not be by
What ratio was drawn, wherein some details are magnified for the purpose of clear expression, and some details may be omitted.In figure
The shown shape in various regions, layer and relative size, the positional relationship between them is merely exemplary, and in practice may
It is deviated due to manufacturing tolerance or technical restriction, and those skilled in the art may be additionally designed as required tool
There are different shapes and sizes, the regions/layers of relative position.
In context disclosed by the utility model, when one layer/element is referred to as located at another layer/element "upper", the layer/
Element can may exist intermediate layer/element on another layer/element or between them.In addition, if one
One layer/element is located at another layer/element "upper" kind in, then when turn towards when, which can be positioned at this is another
Layer/element "lower".
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The data used are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein can be in addition at this
In illustrate or description those of other than sequence implement.In addition, term " includes " and " having " and their any deformation, meaning
Figure be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units
Those of be not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes,
The intrinsic other step or units of method, product or equipment.
The utility model is described in further detail with reference to the accompanying drawing:
Referring to Fig. 1 and Fig. 2, the utility model high-voltage connection insulation auxiliary device, including copper pipe, insulated part and umbrella
Skirt;Insulated part includes arc extinguishing layer 2, inner insulating layer 3 and external insulation layer 4;Arc extinguishing layer 2 is wrapped on the copper pipe of 8mm, copper pipe two
End is connected with ground wire;Inner insulating layer 3 is wrapped in arc extinguishing layer 2;External insulation layer 4 is wrapped on inner insulating layer 3;The both ends of copper pipe connect
It is connected to ground wire, is provided with lead connecting pieces on ground wire;Copper pipe End is provided with insulator cover;Insulated part leans on the part of two close end
It is provided with the full skirt for increasing creepage distance.
External insulation layer uses epoxy resin fiberglass pipe, and heat-resisting rank is B grades, heat-resisting 130 DEG C, executes standard: Q/
XJ360-2000. epoxy resin fiberglass pipe mechanical performance with higher and excellent electrical property, it is moisture-proof, it is heat-resisting.It is applicable in
In high voltage parts.
Epoxy resin fiberglass pipe: using import glass fibre, and heat-resisting rank is B grades, heat-resisting 130 degree.Execution standard:
Q/XJ360-2000.Feature: having higher mechanical performance and excellent electrical property, moisture-proof, heat-resisting.Suitable for high voltage parts.
The insulation tube taken is with a thickness of 3mm.The epoxy resin pressure resistance of 1mm thickness is 15 kilovolts of 10-.The insulation tube pressure resistance of 3mm thickness is not low
In 35 kilovolts.Fully meet requirements of 10 kilovolts of resistance to pressure requests of demander's requirement.
Arc extinguishing layer includes internal layer and outer layer two parts, and outer layer is epoxy resin pipe, with a thickness of 6mm;Internal layer is with insulation
The vulcanized fiber tube of fire retardation, with a thickness of 3mm, pressure resistance is greater than 50000 volts.The main function of arc extinguishing layer is exactly that pressure resistance is fire-retardant, works as electricity
When pressing through the formation of big electric arc, arc-extinguishing tube is scorching hot by electric arc, decomposites bulk gas, makes to form very high pressure in pipe, and along pipeline
It is formed to indulge and be blown, electric arc can be elongated rapidly and be extinguished.As the product of only 10 kilovolts of test does not have electric arc generation.
The dynamic thermal stability of copper pipe is high, conducts electricity very well, and resistance value is small.With a thickness of 1.8mm.Select the copper pipe of this thickness
It can satisfy welding between copper pipe and copper wire and crimp technology be closer.
Insulator cover is made of silicon rubber, and softness, elasticity is good, long service life, and can effectively play prevents from climbing electricity
Effect, increase creepage distance are 130cm.
Lead connecting pieces: at device both ends to connect high-voltage connection, by the way of quickly connecting, field test is facilitated to make
With.This project uses high-quality red copper, conducts electricity very well.By finishing, appearance is beautiful, and connection is simple and convenient rapidly.
The development of high-voltage connection insulation auxiliary device is combined closely, and on-site cable, GIS pressure test engineer application are practical to be needed
It wants, discharge scenario easily occurs by slypes such as doors for high-voltage connection, On-Site Testing demand can be met.This
Item achievement has been successfully applied in substations' commissioning tests such as atomic energy 110kV, Beijing Power Network 220kV.Pass through above-mentioned achievement
Using bringing comprehensive benefit in terms of saving construction period, improving success of the test rate, comprehensive lifting test.It can be to electricity
It is promoted and applied in cable ac voltage withstanding and local discharge test.Insulation auxiliary device will be broken through various using the characteristics of its body is small and practicability
The status of condition limitation, plays a significant role in terms of upgrading synergy.
The above content is only to illustrate the technical idea of the utility model, and the protection model of the utility model cannot be limited with this
Enclose, it is all according to the utility model proposes technical idea, any changes made on the basis of the technical scheme each falls within this reality
Within protection scope with novel claims.
Claims (10)
- The auxiliary device 1. a kind of high-voltage connection insulate characterized by comprisingCopper pipe;Insulated part, insulated part include the arc extinguishing layer (2), inner insulating layer (3) and external insulation layer (4) being successively arranged;Arc extinguishing layer (2) it is wrapped on copper pipe, copper pipe both ends are connected with ground wire (1);And full skirt, it is positioned close to the part at insulated part both ends, for increasing creepage distance.
- The auxiliary device 2. high-voltage connection according to claim 1 insulate, which is characterized in that the diameter of copper pipe is 8mm, thickness For 1.8mm.
- The auxiliary device 3. high-voltage connection according to claim 1 insulate, which is characterized in that external insulation layer uses epoxy resin Fiberglass pipe, heat-resisting rank are B grades, heat-resisting 130 DEG C.
- The auxiliary device 4. high-voltage connection according to claim 1 or 3 insulate, which is characterized in that epoxy resin fiberglass Pipe with a thickness of 3mm.
- The auxiliary device 5. high-voltage connection according to claim 1 insulate, which is characterized in that arc extinguishing layer includes internal layer and outer layer Two parts, outer layer are epoxy resin pipe, and internal layer is the vulcanized fiber tube with flame-resistant insulation effect.
- The auxiliary device 6. high-voltage connection according to claim 5 insulate, which is characterized in that the epoxy resin of arc extinguishing layer internal layer Pipe with a thickness of 6mm.
- The auxiliary device 7. high-voltage connection according to claim 5 or 6 insulate, which is characterized in that the vulcan fibre of arc extinguishing layer outer layer The caliber of pipe is 3mm, and pressure resistance is greater than 50000 volts.
- The auxiliary device 8. high-voltage connection according to claim 1 insulate, which is characterized in that at the both ends connection ground wire of copper pipe It is provided with and insulator cover is made by silicon rubber.
- The auxiliary device 9. high-voltage connection according to claim 1 or 8 insulate, which is characterized in that the ground of copper pipe both ends connection On line, it is provided with lead connecting pieces.
- The auxiliary device 10. high-voltage connection according to claim 1 or 8 insulate, which is characterized in that lead connecting pieces are by red copper It is made.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822190155.2U CN209183345U (en) | 2018-12-25 | 2018-12-25 | A kind of high-voltage connection insulation auxiliary device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822190155.2U CN209183345U (en) | 2018-12-25 | 2018-12-25 | A kind of high-voltage connection insulation auxiliary device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209183345U true CN209183345U (en) | 2019-07-30 |
Family
ID=67377756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201822190155.2U Active CN209183345U (en) | 2018-12-25 | 2018-12-25 | A kind of high-voltage connection insulation auxiliary device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209183345U (en) |
-
2018
- 2018-12-25 CN CN201822190155.2U patent/CN209183345U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203722058U (en) | Totally-enclosed-type vehicle-mounted mobile transformer station | |
CN101763922A (en) | Lightning-protection method and device for transmission line composite insulator | |
CN201017728Y (en) | Extra-high voltage hollow combined insulator | |
CN105631175B (en) | A kind of modification method of extra high voltage line operation voltage equivalence wind speed | |
CN202584884U (en) | Insulation shielding type tubular bus | |
CN105957615A (en) | Carbon fiber enhanced high-tensile-strength fireproof environmental protection power cable | |
CN209183345U (en) | A kind of high-voltage connection insulation auxiliary device | |
CN201440584U (en) | Ground potential replacement device for tension tower insulators and accessories in power transmission line | |
CN203444849U (en) | Overhead insulated cable | |
CN208337122U (en) | A kind of 10kV suspended insulated guide wire with the anti-lightning strike broken string of shielded layer | |
CN204257304U (en) | A kind of glass insulator lightning protection hardware | |
CN207183004U (en) | A kind of lightning protection Anti-tension composite insulator | |
CN207518166U (en) | Power plant 1000kV outlet grade transmitting system mounting structures | |
CN203552823U (en) | Umbrella-shaped structure of ultra-high-voltage tension composite insulator | |
CN107086439B (en) | Special hardware structure for network side inlet of converter transformer | |
CN205231663U (en) | Glass steel type dry -type high pressure wall bushing | |
CN105301295B (en) | House cable inlet wire Transformer Winding short-circuit device | |
Ding et al. | Altitude correction and selection of air gap discharge voltage in converter stations in high altitude areas | |
CN206236980U (en) | A kind of power distribution cabinet | |
CN205900177U (en) | Improve fire -retardant type overhead insulated cable | |
CN219800526U (en) | High-temperature-resistant cable for charging pile | |
Hagh et al. | Design and installation of first 20 kV spacer cable in Iran | |
CN204992266U (en) | 220 kilovolt main transformer's inlet wire draws and connects device | |
CN103700475A (en) | Voltage transformer fuse mounting base | |
CN213905911U (en) | Overhead incoming line system for high-voltage cable of centrally installed switchgear |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |