CN201134303Y - Minimized disc type insulator for combined electrical equipment - Google Patents
Minimized disc type insulator for combined electrical equipment Download PDFInfo
- Publication number
- CN201134303Y CN201134303Y CNU2007200093054U CN200720009305U CN201134303Y CN 201134303 Y CN201134303 Y CN 201134303Y CN U2007200093054 U CNU2007200093054 U CN U2007200093054U CN 200720009305 U CN200720009305 U CN 200720009305U CN 201134303 Y CN201134303 Y CN 201134303Y
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- inserts
- earth potential
- disk
- disc type
- insulator
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Abstract
The utility model discloses a miniaturized disk insulator for composite electrical apparatus, which comprises a metal flange ring, a disk insulated body, three inserts and three earth potential shielding components, wherein the disk insulated body is solidified inside the flange ring, the axis line of the disk insulated body is coincident with the flange ring, the three inserts are solidified inside the disk insulated body and arranged respectively on equilateral triangle points, the equilateral triangle is coincident with the axes of the disk insulated body, and the axis lines of the three inserts are parallel to the axis lines of the disk insulated body. Further, the three earth potential shielding components are respectively arranged between the flange ring and the three inserts. The three inserts used to fix a high potential conductor are arranged on equilateral triangle points and the triangle center is coincident with the axis center of the disk insulated body, thereby the structural design better complies with requirements of manufacture process. As the earth potential shielding components are added among the three inserts and the flange ring, electric field distribution near the earth potential can be greatly improved and insulation lever can be increased, thereby reducing the size of the outer diameter of the disk insulated body and realizing miniaturization of composite electrical apparatus under a precondition of guaranteeing the insulation lever.
Description
Technical field
The utility model relates to a kind of insulator, especially relates to a kind of combined electrical apparatus miniaturization disk insulator.
Background technology
The combined electrical apparatus disk insulator belongs to High-Voltage Electrical Appliances insulation technology field, is mainly used in the support of high potential conductor in the combined electrical apparatus, the separation of different air chambers.In combined electrical apparatus, because fixedly the disk insulator of high potential conductor must have reliably relatively and the phase insulation level, because structural design, the disk insulator overall dimensions in the domestic and international before combined electrical apparatus are bigger, influenced the combined electrical apparatus miniaturization to a great extent.
At above-mentioned deficiency, someone has proposed solution, the denomination of invention that discloses by Beijing Beikai Electrical Co., Ltd.'s application on September 3rd, 2003 as Chinese patent database is the utility model of " the small-sized disc insulator of a kind of combined electrical apparatus ", its publication number is CN2570933Y, and its patent No. is 02257471.9.The small-sized disc insulator of a kind of combined electrical apparatus, adopt finite element optimum design, keeping basin is under the situation of 320mm along diameter D1, transition arcs bank degree radius R 1 between (1) outline and basin group (2) outline at the bottom of the basin is increased to 18～22mm of the present utility model by having the 10mm of combined electrical apparatus with small-sized disc insulator now, angle was reduced to 50.47～52.47 ° by 62 ° between outerplanar and basin were helped at the bottom of the basin, all the other geomeries are also all corresponding to be changed, the basin group gradient is reached with transition angle at the bottom of the basin to slow down, the high step-down of basin, thereby make insulator even, improve insulation level along face each point field strength distribution.But because the restriction of pouring technology, the not good field strength distribution that causes of the electrode shape of high electronegative potential is inhomogeneous in the structural design, is to be improved by the change of insulator partial shape.In addition in the past in the three-phase disk insulator inequilateral of three-phase inserts arrange, also make the design size of product, the position dimension of inserts, owing to the production technology reason is difficult to guarantee.
The utility model content
The utility model provides a kind of combined electrical apparatus miniaturization disk insulator, and it has overcome the existing deficiency of insulator of background technology.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of combined electrical apparatus miniaturization disk insulator, it comprises a metal flange ring, a disc type insulator, three inserts and three earth potential shield assemblies.This disc type insulator solidifies in flange ring.These three inserts solidify in the disc type insulator, and they are arranged in the equilateral triangle point, this equilateral triangle center and the dead in line of disc type insulator, and three inserts axis are parallel with disc type insulator axis.These three earth potential shield assemblies are located at respectively between flange ring and the three-phase inserts.
In the preferred embodiment of the present utility model, this disc type insulator solidifies in flange ring by vacuum pouring technology, and inserts and earth potential shield assembly are solidificated in wherein.
In the preferred embodiment of the present utility model, these three earth potential shield assemblies are arranged between three inserts and the flange ring, its arc axis and the dead in line of disc type insulator.
In the preferred embodiment of the present utility model, this earth potential shield assembly is positioned at the radially same of disc type insulator with corresponding inserts.
In the preferred embodiment of the present utility model, this earth potential shield assembly comprises an earth potential shielding spring and two earth potential shielding threaded inserts, and this two inserts lays respectively at this both ends of the spring.
The beneficial effects of the utility model: because three inserts that are used for fixing the high potential conductor are arranged in the equilateral triangle point, triangle center and the dead in line of disc type insulator, so can improve the manufacturability of product design, help the accuracy of manufacture of inserts position dimension; Between inserts and flange ring, add the earth potential shield assembly, three earth potential shield assemblies are evenly arranged in the disc type insulator, earth potential shield assembly and disc type insulator concentric, improve the earth potential shape, thereby reduce earth potential regional area field intensity, optimized the whole field strength distribution situation between inserts and the flange, improve insulation level, so guaranteeing under the prerequisite of insulation level, thereby can reduce the overall dimensions of whole disk insulator, the combined electrical apparatus miniaturization is achieved.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 has illustrated the structural representation of the disk insulator of a preferred embodiment.
Fig. 2 is the A-A profile of Fig. 1.
Fig. 3 is the B-B profile of Fig. 1.
Fig. 4 is the C-C profile of Fig. 1.
Embodiment
Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of combined electrical apparatus miniaturization disk insulator, it comprises a metal flange ring 10, a disc type insulator 20, three inserts 30 and three earth potential shield assemblies 40.
This disc type insulator 20 solidifies in flange ring 10.These three inserts, 30 uniform curing in disc type insulator 20, and they are arranged in the equilateral triangle point, this equilateral triangle center and 20 deads in line of disc type insulator.These three earth potential shield assemblies 40 are arranged in another equilateral triangle point, and this equilateral triangle center also overlaps with disc type insulator 20 centers of circle.Wherein, these three earth potential shield assemblies 40 are located at respectively between flange ring 10 and the three-phase inserts 30, and this earth potential shield assembly 40 is positioned at the radially same of disc type insulating base 20 with corresponding inserts 30.
This earth potential shield assembly 40 comprises an earth potential shielding spring 41 and two earth potential shielding threaded inserts 42, and this two inserts 42 lays respectively at this spring 41 two ends, and this spring 41 is arranged arc shape, and this arc and disc type insulator 20 concentrics.
This disc type insulator 20 is solidified three-phase inserts 30 and earth potential shield assembly 40 in wherein by vacuum pouring technology by epoxy resin.
The technical program adopts advanced finite element optimization software that disk insulator is carried out the electric field simulation analysis, show after adding the earth potential shield assembly, to more even along the distribution of face between earth potential housing and the flange ring, high field intensity reduces from the high potential inserts, and insulating reliability improves greatly.Under the prerequisite that guarantees insulation level, can reduce the overall dimensions of disk insulator, thereby realize the miniaturization of combined electrical apparatus.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented with this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (6)
1. combined electrical apparatus miniaturization disk insulator, it is characterized in that: it comprises:
One metal flange ring;
One disc type insulator, it solidifies in the metal flange ring, with the flange ring coaxial line;
Three inserts, they solidify in the disc type insulator, and they are arranged in the equilateral triangle point, this equilateral triangle center and the dead in line of disc type insulator, and three inserts axis are parallel with disc type insulator axis;
Three earth potential shield assemblies, they are located at respectively between flange ring and the inserts.
2. a kind of combined electrical apparatus miniaturization disk insulator according to claim 1 is characterized in that: this disc type insulator solidifies in the metal flange ring by vacuum pouring technology, and inserts and earth potential shield assembly solidify in the disc type insulator.
3. a kind of combined electrical apparatus miniaturization disk insulator according to claim 1 and 2 is characterized in that: these three earth potential shield assemblies are arranged in another equilateral triangle point, this equilateral triangle center and the dead in line of disc type insulator.
4. a kind of combined electrical apparatus miniaturization disk insulator according to claim 3 is characterized in that: this earth potential shield assembly is positioned at the radially same of disc type insulator with corresponding inserts.
5. a kind of combined electrical apparatus miniaturization disk insulator according to claim 1 and 2 is characterized in that: this earth potential shield assembly comprises an earth potential shielding spring and two earth potential shielding threaded inserts, and this two inserts lays respectively at this both ends of the spring.
6. a kind of combined electrical apparatus miniaturization disk insulator according to claim 5 is characterized in that: this spring is arranged circular shape, this arc and disc type insulator coaxial line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200093054U CN201134303Y (en) | 2007-12-29 | 2007-12-29 | Minimized disc type insulator for combined electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200093054U CN201134303Y (en) | 2007-12-29 | 2007-12-29 | Minimized disc type insulator for combined electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201134303Y true CN201134303Y (en) | 2008-10-15 |
Family
ID=40062571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200093054U Expired - Lifetime CN201134303Y (en) | 2007-12-29 | 2007-12-29 | Minimized disc type insulator for combined electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201134303Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955106A (en) * | 2012-05-21 | 2013-03-06 | 厦门华电开关有限公司 | Partial discharging detection device of gas insulation metal sealing switching equipment and insulator |
| CN104134947A (en) * | 2013-08-19 | 2014-11-05 | 国家电网公司 | Assembly structure of insulator and external flange |
| CN113410013A (en) * | 2021-07-09 | 2021-09-17 | 江苏恒高电气制造有限公司 | Insulator structure of rigid gas insulation transmission line |
-
2007
- 2007-12-29 CN CNU2007200093054U patent/CN201134303Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955106A (en) * | 2012-05-21 | 2013-03-06 | 厦门华电开关有限公司 | Partial discharging detection device of gas insulation metal sealing switching equipment and insulator |
| CN104134947A (en) * | 2013-08-19 | 2014-11-05 | 国家电网公司 | Assembly structure of insulator and external flange |
| CN104134947B (en) * | 2013-08-19 | 2017-01-25 | 国家电网公司 | Assembly structure of insulator and external flange |
| CN113410013A (en) * | 2021-07-09 | 2021-09-17 | 江苏恒高电气制造有限公司 | Insulator structure of rigid gas insulation transmission line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081015 |