CN205452150U - Outdoor load switch and insulating assemblies thereof - Google Patents
Outdoor load switch and insulating assemblies thereof Download PDFInfo
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- CN205452150U CN205452150U CN201620254733.2U CN201620254733U CN205452150U CN 205452150 U CN205452150 U CN 205452150U CN 201620254733 U CN201620254733 U CN 201620254733U CN 205452150 U CN205452150 U CN 205452150U
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- full skirt
- skirt
- sleeve pipe
- load switch
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Abstract
The utility model discloses an outdoor load switch's insulating assemblies, including electrically conductive dabber, epoxy cover and the sleeve pipe that is connected, be equipped with big full skirt and little full skirt on the sleeve pipe, big full skirt sets up a plurality of ways along sleeve pipe outer wall equidistance, the umbellule skirt sets up in big full skirt downside, little full skirt is the annular structure of outer fringe radius, and the umbellule skirt is eight to ten along the vertical quantity that sets up of sleeve pipe outer wall, and big full skirt and the cooperation of umbellule skirt have realized the increase between the casing surface overlay region having reduced the partial discharge volume simultaneously at big full skirt and umbellule skirt department, the structure of little full skirt makes the electric current creep distance increase, has avoided the phenomenons such as flashover puncture of this position, the annular structure of in addition little full skirt has improved the local strength of pipe box simultaneously, and the outer fringe of a plurality of little full skirts forms similar corrugated structure, and anti stress jackknifing ability improves, has avoided unexpected deformation.
Description
Technical field
This utility model relates to a kind of outdoor electric switchgear, particularly to a kind of outdoor load switch and insulation assembly thereof.
Background technology
At present, the Chinese patent of Publication No. CN104658807A on market discloses the integrated outlet casing tube of a kind of post load switch, relate to a kind of power switchgear in pressure distributing system, particularly relate to one and be arranged on outdoor 10KvSF6 post load switch, including cutter head, also include that copper rod on the same line is set with cutter head and copper goes out bar, one end of copper rod is wholely set with cutter head, the other end of copper rod and copper go out bar and are wholely set, copper goes out bar and is vertically arranged with cutter head, epoxy resin bushing and sulphurated siliastic sleeve pipe are set outside cutter head and copper rod, sulphurated siliastic sleeve pipe is arranged on the side of epoxy resin bushing, epoxy resin bushing and sulphurated siliastic sleeve pipe form one by integrated poured, epoxy resin bushing is stretched out in one end of cutter head, outside sulphurated siliastic sleeve pipe, full skirt is set.
Creep age distance is had such definition: along the beeline on insulant surface between two conductive components of creep age distance-have potential difference in GB/T2900.18-1992-electrotechnical terminology-low-voltage electrical apparatus standard.
In such scheme, the covering interval of full skirt is less, and forms situation out of stock at the conical surface of sulphurated siliastic sleeve pipe so that surface creepage herein distance reduces, and flashover easily occurs, the fortuitous event such as punctures.
Utility model content
The purpose of this utility model is to provide the insulation assembly of outdoor load switch a kind of reducing flashover, puncturing.
Above-mentioned technical purpose of the present utility model has the technical scheme that the insulation assembly of a kind of outdoor load switch, including the conduction mandrel being connected, epoxy resin set and sleeve pipe, described sleeve pipe is provided with big full skirt and little full skirt, if described big full skirt is placed equidistant arterial highway along sleeve outer wall, described little full skirt is arranged on the downside of big full skirt, described little full skirt is the circulus of outer rim rounding, and little full skirt is eight to ten roads along the quantity that sleeve outer wall is longitudinally disposed.
Coordinated by technique scheme, big full skirt and little full skirt and achieve the increase that sleeve surface covering is interval, at big full skirt and little full skirt, decrease partial discharge quantity simultaneously；The structure of little full skirt makes electric current creep distance increase, it is to avoid the phenomenon such as flashover breakdown of this position；The circulus of the least full skirt improves the local strength of pipe box simultaneously, and the outer rim of some little full skirts forms the structure of similar ripple, resistance to stress jackknifing ability improves, it is to avoid unexpected deformation.
This utility model is further arranged to: the described dish shaped in form structure of big full skirt, and upper and lower end face angle is 20 degree.
Pass through technique scheme, big full skirt is oblique placing surfaces in upper and lower end face, form, along end face, movement of taking advantage of a situation during air circulation, resistance is less, self-cleaning property is higher, drift angle is that the triangle of 20 degree has the most defined enough thickness in bottom, and Resisting fractre ability is stronger, it is achieved that monolithic article can bear industrial frequency withstand voltage 55KV/min.
This utility model is further arranged to: be arranged with the sealing ring for increasing its sealing on described conduction mandrel.
By technique scheme, sealing ring improves the axial friction of conduction mandrel and coordinates compactness, it is to avoid the vibration of conduction mandrel.
This utility model is further arranged to: the end position of described conduction mandrel is provided with axle sleeve, and described axle sleeve is provided with screwed hole.
By technique scheme, axle sleeve can conveniently conduct electricity the external of mandrel, in addition screw realizes the firm of cooperation face of installing, it is to avoid space occurs in the joint face of electrical connection, it is to avoid the generation of electric arc.
This utility model is further arranged to: described conduction mandrel is provided with installing plate, and described installing plate is provided with two installing holes.
By technique scheme, two installing holes of installing plate realize external, increase mount point, external convenient.
This utility model is further arranged to: the internal diameter of described little full skirt and the difference of external diameter are less than 9mm more than 3mm.
By technique scheme, the diameter of little full skirt changes along with the size variation of sleeve pipe external profile diameter, radially see be exactly adjust constantly height, and then surface creepage apart from moderate rationally, it is achieved flashovers ability preferable.
This utility model is further arranged to: described little full skirt is cladded with being stamped ceramic glaze layer.
Pass through technique scheme, the stain resistance of little full skirt directly affects its insulating properties (the most serious then insulating properties of spot are the poorest), and ceramic glaze has stronger stain resistance, and ceramic glaze waterproof antidusting soil is infected with, better heat stability, it is ensured that the stain resistance of little full skirt.
Another purpose of the present utility model is to provide a kind of outdoor load switch, including above-mentioned insulation assembly.
In sum, this utility model has the advantages that this outdoor load switch ruggedness is higher, is embodied in the flashovers of little full skirt, improves on creep age distance, self-cleaning property.
Accompanying drawing explanation
Fig. 1 is the topology view of embodiment one；
Fig. 2 is the topology view of embodiment two.
Reference: 1, conduction mandrel；2, sleeve pipe；21, big full skirt；22, little full skirt；3, epoxy resin set；4, axle sleeve；5, sealing ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
Embodiment one: such as Fig. 1, a kind of insulation assembly of outdoor load switch, including conduction mandrel 1 and sleeve pipe 2, in order to inlet wire and installation need, conduction mandrel 1 is direct rod shape structure, sleeve pipe 2 uses silastic material, silicone rubber has good insulating properties and resistance to oxidation ageing resistance, add safety during outdoor use, epoxy resin set 3 bonding is used between sleeve pipe 2 and conduction mandrel 1, the material of epoxy resin has higher sealing effectiveness and cohesive force, sleeve pipe 2 is provided with big full skirt 21 and little full skirt 22, big full skirt 21 is placed equidistant six roads along sleeve pipe 2 outer wall, little full skirt 22 is arranged on the downside of big full skirt 21, the little full skirt 22 circulus in outer rim rounding, little full skirt 22 is eight roads along the quantity that sleeve pipe 2 outer wall is longitudinally disposed.
Big full skirt 21 and little full skirt 22 coordinate the increase achieving covering interval, sleeve pipe 2 surface, decrease partial discharge quantity at big full skirt 21 and little full skirt 22 simultaneously；The structure of little full skirt 22 makes electric current creep distance increase, it is to avoid the phenomenon such as flashover breakdown of this position；The circulus of the least full skirt 22 improves the local strength of pipe box simultaneously, and the outer rim of some little full skirts 22 forms the structure of similar ripple, resistance to stress jackknifing ability improves, it is to avoid unexpected deformation.
The dish shaped in form structure of full skirt 21, and upper and lower end face angle greatly is 20 degree；Big full skirt 21 is oblique placing surfaces in upper and lower end face, form, along end face, movement of taking advantage of a situation during air circulation, resistance is less, self-cleaning property is higher, drift angle is that the triangle of 20 degree has the most defined enough thickness in bottom, Resisting fractre ability is stronger, it is achieved that monolithic article can bear industrial frequency withstand voltage 55KV/min.
It is arranged with the sealing ring 5 for increasing its sealing on conduction mandrel 1；Sealing ring 5 improves the axial friction of conduction mandrel 1 and coordinates compactness, it is to avoid the vibration of conduction mandrel 1.
The end position of conduction mandrel 1 is provided with axle sleeve 4, and axle sleeve 4 is provided with screwed hole；Axle sleeve 4 can conveniently conduct electricity the external of mandrel 1, in addition screw realizes the firm of cooperation face of installing, it is to avoid space occurs in the joint face of electrical connection, it is to avoid the generation of electric arc.
Conduction mandrel 1 is provided with installing plate, and installing plate is provided with two installing holes；Two installing holes of installing plate realize external, increase mount point, external convenient.
The internal diameter of little full skirt 22 and the difference of external diameter are less than 9mm more than 3mm；The diameter of little full skirt 22 changes along with the size variation of sleeve pipe 2 external profile diameter, radially see be exactly adjust constantly height, and then surface creepage apart from moderate rationally, it is achieved flashovers ability preferable.
It is coated with ceramic glaze layer outside little full skirt 22；The stain resistance of little full skirt 22 directly affects its insulating properties (the most serious then insulating properties of spot are the poorest), and ceramic glaze has stronger stain resistance, and ceramic glaze waterproof antidusting soil is infected with, better heat stability, it is ensured that the stain resistance of little full skirt 22.
Embodiment two: such as Fig. 2, a kind of insulation assembly of outdoor load switch, including conduction mandrel 1 and sleeve pipe 2, in order to inlet wire and installation need, conduction mandrel 1 is bending structure, sleeve pipe 2 uses silastic material, silicone rubber has good insulating properties and resistance to oxidation ageing resistance, add safety during outdoor use, epoxy resin set 3 bonding is used between sleeve pipe 2 and conduction mandrel 1, the material of epoxy resin has higher sealing effectiveness and cohesive force, plasticity is higher simultaneously, sleeve pipe 2 is provided with big full skirt 21 and little full skirt 22, big full skirt 21 is placed equidistant six roads along sleeve pipe 2 outer wall, little full skirt 22 is arranged on the downside of big full skirt 21, the little full skirt 22 circulus in outer rim rounding, little full skirt 22 is ten roads along the quantity that sleeve pipe 2 outer wall is longitudinally disposed；Little full skirt 22 achieves the increase of coverage rate on sleeve pipe 2, it is ensured that the creep age distance on sleeve pipe 2 increases, and decreases partial discharge quantity.
Embodiment three: include a kind of outdoor load switch of embodiment one or embodiment two, the overall insulating properties being capable of is relatively strong, and safety is higher.
To sum up, this outdoor load switch ruggedness is higher, is embodied in the flashovers of little full skirt 22, increases and improve on creep age distance, self-cleaning property.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
Claims (8)
1. the insulation assembly of an outdoor load switch, including the conduction mandrel (1) being connected, epoxy resin set (3) and sleeve pipe (2), it is characterized in that: described sleeve pipe (2) is provided with big full skirt (21) and little full skirt (22), described big full skirt (21) is along sleeve pipe (2) if outer wall is placed equidistant arterial highway, described little full skirt (22) is arranged at big full skirt (21) downside, the described little full skirt (22) circulus in outer rim rounding, little full skirt (22) is eight to ten roads along the quantity that sleeve pipe (2) outer wall is longitudinally disposed.
The insulation assembly of a kind of outdoor load switch the most according to claim 1, is characterized in that: the dish shaped in form structure of described big full skirt (21), and upper and lower end face angle is 20 degree.
The insulation assembly of a kind of outdoor load switch the most according to claim 1, is characterized in that: be arranged with the sealing ring (5) for increasing its sealing on described conduction mandrel (1).
The insulation assembly of a kind of outdoor load switch the most according to claim 1, is characterized in that: the end position of described conduction mandrel (1) is provided with axle sleeve (4), and described axle sleeve (4) is provided with screwed hole.
The insulation assembly of a kind of outdoor load switch the most according to claim 1, is characterized in that: described conduction mandrel (1) is provided with installing plate, and described installing plate is provided with two installing holes.
The insulation assembly of a kind of outdoor load switch the most according to claim 1, is characterized in that: the internal diameter of described little full skirt (22) and the difference of external diameter are less than 9mm more than 3mm.
The insulation assembly of a kind of outdoor load switch the most according to claim 1, is characterized in that: be coated with ceramic glaze layer outside described little full skirt (22).
8. an outdoor load switch, is characterized in that: include the insulation assembly that claim 1-7 is arbitrarily described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620254733.2U CN205452150U (en) | 2016-03-30 | 2016-03-30 | Outdoor load switch and insulating assemblies thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620254733.2U CN205452150U (en) | 2016-03-30 | 2016-03-30 | Outdoor load switch and insulating assemblies thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205452150U true CN205452150U (en) | 2016-08-10 |
Family
ID=56608480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620254733.2U Active CN205452150U (en) | 2016-03-30 | 2016-03-30 | Outdoor load switch and insulating assemblies thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205452150U (en) |
-
2016
- 2016-03-30 CN CN201620254733.2U patent/CN205452150U/en active Active
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