CN209183345U - A kind of high-voltage connection insulation auxiliary device - Google Patents

A kind of high-voltage connection insulation auxiliary device Download PDF

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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
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China
Prior art keywords
layer
voltage connection
auxiliary device
copper pipe
insulate
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CN201822190155.2U
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Chinese (zh)
Inventor
汪奇
王唯
吴东岳
李海生
赵晴
宫朝龙
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State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
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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

A kind of high-voltage connection insulation auxiliary device
[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)

  1. The auxiliary device 1. a kind of high-voltage connection insulate characterized by comprising
    Copper 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. 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.
  8. 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.
  9. 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.
  10. 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.
CN201822190155.2U 2018-12-25 2018-12-25 A kind of high-voltage connection insulation auxiliary device Active CN209183345U (en)

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)

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