CN202178120U - Dielectric part of insulator for overhead power transmission and distribution lines and insulator - Google Patents
Dielectric part of insulator for overhead power transmission and distribution lines and insulator Download PDFInfo
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- CN202178120U CN202178120U CN2011201295064U CN201120129506U CN202178120U CN 202178120 U CN202178120 U CN 202178120U CN 2011201295064 U CN2011201295064 U CN 2011201295064U CN 201120129506 U CN201120129506 U CN 201120129506U CN 202178120 U CN202178120 U CN 202178120U
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- insulator
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- umbrella rib
- full skirt
- dielectric
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Abstract
The utility model relates to a dielectric part of an insulator for overhead power transmission and distribution lines and the insulator. The insulator comprises a head portion (201) and a petticoat (202), wherein the petticoat (202) is provided with a plurality of petticoat edges (203 and 204), and the petticoat edges are located on the lateral face of the petticoat (202) which is in an inner spherical crown shape. The dielectric part and the insulator solve the technical problems in the prior art. Compared with the common dielectric part and the common insulator, the dielectric part and the insulator for the overhead power transmission and distribution lines have a special spherical crown shape design, thereby being favorable for reducing of dirt deposition, improving self-cleaning effect of the insulator through air internal turbulence effect, and simultaneously satisfying enough insulator leakage distance.
Description
Technical field
The utility model relates to dielectric components and the insulator that is used for insulator, specifically, relates to the dielectric components and the insulator that are used for built on stilts electric line.
Background technology
At present, toughened glass has been widely used as the material of the dielectric components of insulator.In the heavily contaminated environment that has dust to exist, the umbrella rib of the dielectric components full skirt of insulator below gathers dust easily, and this dust pollution is difficult for being cleaned naturally by wind and rain, and possibly cause sporadic electric insulation fault.Fig. 1 shows the dielectric components of prior art, and umbrella rib 101 is positioned at below the insulator full skirt 102 in Fig. 1.In several kinds of solutions of current existence, there is following selection can alleviate this pollution problem.
Adopt aerodynamically shaped configuration design, have the dielectric components of self-cleaning function.But this selection possibly cause in some practical applications, occurring the not enough problem of insulator leakage distance.
Employing is by the composite insulator of organic material and special dielectric components shape.But such composite insulator is difficult to monitoring, and the problem of aging of organic material also is a problem that does not solve fully at present.
Employing has the ceramic insulator of outer umbrella shape design.But the dielectric material of the type has superiority not as toughened glass with regard to safeguarding and monitoring.Therefore, being not one at a lot of regional potteries well selects.And the exumbrella rib complex manufacturing technology of ceramic insulator, and might produce some defectives in the inside of ceramic material, in the steep wave impulse breakdown test that ceramic component itself is carried out, be very easy to find the existence of these defectives.
Therefore, need to propose a kind of new improved dielectric components and comprise that the insulator of this dielectric components solves above-mentioned technical problem of the prior art.
The utility model content
The purpose of an embodiment of the utility model is to provide a kind of dielectric components that is used for the insulator of built on stilts electric line can solve the above-mentioned technical problem of prior art.
According to the first aspect of the utility model, a kind of dielectric components that is used for the insulator of built on stilts electric line is provided, comprise head and full skirt, full skirt has a plurality of umbrella ribs, wherein, the umbrella rib is positioned at the side of full skirt, and full skirt have in spherical shape.
Preferably, the external diameter of dielectric components is that 280mm is to 420mm.
Preferably, the height of full skirt is that 110mm is to 150mm.
Preferably, the height of full skirt is about 130mm.
Preferably, dielectric components comprises top umbrella rib and bottom umbrella rib at least.
Preferably, the diameter of top umbrella rib and the diameter of full skirt are basic identical, and the diameter of bottom umbrella rib is less than the diameter of top umbrella rib.
Preferably, the distance between top umbrella rib and the bottom umbrella rib is that 25mm is to 45mm.
Preferably, the distance between top umbrella rib and the bottom umbrella rib is about 35mm.
Preferably, the internal diameter of dielectric components is that 170mm is to 190mm.
Preferably, the leakage distance of dielectric components is that preferably 530mm is to 720mm for 420mm arrives 750mm.
Preferably, full skirt has outer spherical shape.
Preferably, dielectric components is processed by toughened glass.
According to the second aspect of the utility model, a kind of insulator that is used for built on stilts electric line is provided, comprise cap, locking pin, adhesive, steel pin and aforesaid dielectric components.
The beneficial effect of an embodiment of the utility model is; Compare with insulator with common dielectric components; Its special spherical inner surface will help reducing filthy deposition and reach the sub self-cleaning effect of reinforced insulation through inside air flow-disturbing effect, satisfy enough insulator leakage distances simultaneously.
With reference to the detailed description of accompanying drawing to the exemplary embodiment of the utility model, it is clear that further feature of the utility model and advantage thereof will become through following.
Description of drawings
The accompanying drawing that constitutes the part of specification has been described the embodiment of the utility model, and is used to explain the principle of the utility model together with the description.
With reference to accompanying drawing, according to following detailed, can be expressly understood the utility model more, wherein:
Fig. 1 illustrates the sketch map of the insulator with dielectric components of prior art.
Fig. 2 illustrates the sketch map according to the dielectric components that is used for insulator of an embodiment of the utility model.
Fig. 3 illustrates the sketch map according to the insulator after the assembling of an embodiment of the utility model, and this insulator comprises the dielectric components according to Fig. 2.
Embodiment
To describe the various exemplary embodiments of the utility model now with reference to accompanying drawing in detail.It should be noted that: only if specify in addition, otherwise the positioned opposite of parts of in these embodiment, setting forth and step, numeral expression formula and numerical value do not limit the scope of the utility model.
Below be illustrative to the description only actually of at least one exemplary embodiment, never as any restriction to the utility model and application or use.
Fig. 2 is the sketch map that illustrates according to the dielectric components that is used for insulator of the embodiment of the utility model.
As shown in Figure 2, this dielectric components comprises head 201 and full skirt 202.This full skirt 202 has top umbrella rib 203 and bottom umbrella rib 204, and top umbrella rib 203 and bottom umbrella rib 204 are positioned at the side of full skirt 202, wherein, and spherical shape and outer spherical shape in full skirt 202 has.
The external diameter of this dielectric components is that 280mm is to 420mm; The mechanical strength of dielectric components with comprise that the mechanical strength of the insulator of this dielectric components is that 70kN is to 550kN; And the leakage distance of dielectric components be 420mm to 750mm, and be preferably 530mm to 720mm.In addition, the quantity of umbrella rib with the need leakage distance and change.
The diameter of top umbrella rib 203 and the diameter of full skirt 202 are basic identical.The diameter of bottom umbrella rib 204 is less than the diameter of top umbrella rib 203.
The internal diameter r of this dielectric components is that 170mm is to 190mm.
Distance between top umbrella rib 203 and the bottom umbrella rib 204 be 25mm to 45mm, preferably about 35mm.
The height of full skirt 202 be 110mm to 150mm, preferably about 130mm.
Top umbrella rib 203 and bottom umbrella rib 204 tilt towards the bottom 205 of dielectric components from interior outward over there, and the end face of top umbrella rib 203 and the end face of bottom umbrella rib 204 and the angle of horizontal plane
1It is 4 ° to 10 °, to help removing rainwater.
The angle that the end face of each umbrella rib is become with the bottom surface
2It is 6 ° to 12 °.
Fig. 3 is the sketch map that illustrates according to the insulator that comprises aforesaid dielectric components after the assembling of the embodiment of the utility model.
As shown in Figure 3, the insulator after the assembling comprises cast iron chapeau de fer or steel cap 301, locking pin 302, adhesive 303, steel pin 304 and dielectric components 305.
The full skirt below that is positioned at dielectric components with umbrella rib as shown in Figure 1 is different, and the umbrella rib is in the side of the full skirt of the dielectric components of the utility model, to be convenient to realize self-cleaning function.The design the more important thing is full skirt in spherical shape the automatically cleaning characteristic of optimizing is provided.
Though specify through example some specific embodiments to the utility model, it should be appreciated by those skilled in the art that above example only is in order to describe, rather than in order to limit the scope of the utility model.It should be appreciated by those skilled in the art, can under the situation of scope that does not break away from the utility model and spirit, above embodiment be made amendment.The scope of the utility model is limited accompanying claims.
Claims (14)
1. a dielectric components that is used for the insulator of built on stilts electric line comprises head (201) and full skirt (202), and full skirt (202) has a plurality of umbrella ribs (203; 204), it is characterized in that umbrella rib (203; 204) be positioned at the side of full skirt (202), and full skirt (202) have in spherical shape.
2. dielectric components according to claim 1 is characterized in that, the external diameter of said dielectric components is that 280mm is to 420mm.
3. dielectric components according to claim 1 is characterized in that, the height of full skirt (202) is that 110mm is to 150mm.
4. dielectric components according to claim 3 is characterized in that, the height of full skirt (202) is 130mm.
5. according to each described dielectric components in the claim 1 to 4, it is characterized in that said dielectric components comprises top umbrella rib (203) and bottom umbrella rib (204) at least.
6. dielectric components according to claim 5 is characterized in that, the diameter of top umbrella rib (203) is identical with the diameter of full skirt (202), and the diameter of bottom umbrella rib (204) is less than the diameter of top umbrella rib (203).
7. dielectric components according to claim 5 is characterized in that, the distance between top umbrella rib (203) and the bottom umbrella rib (204) is that 25mm is to 45mm.
8. dielectric components according to claim 7 is characterized in that, the distance between top umbrella rib (203) and the bottom umbrella rib (204) is 35mm.
9. dielectric components according to claim 1 is characterized in that, the internal diameter of spherical shape (r) arrives 190mm for 170mm in the said dielectric components.
10. dielectric components according to claim 1 is characterized in that, the leakage distance of said dielectric components is that 420mm is to 750mm.
11. dielectric components according to claim 1 is characterized in that, the leakage distance of said dielectric components is that 530mm is to 720mm.
12. dielectric components according to claim 1 is characterized in that, said full skirt (202) has outer spherical shape.
13. dielectric components according to claim 1 is characterized in that, said dielectric components is processed by tempered glass.
14. an insulator that is used for overhead distribution comprises cap (301), locking pin (302), adhesive (303), steel pin (304) and dielectric components, it is characterized in that, said insulator comprises like each described dielectric components among the claim 1-13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201295064U CN202178120U (en) | 2011-04-28 | 2011-04-28 | Dielectric part of insulator for overhead power transmission and distribution lines and insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201295064U CN202178120U (en) | 2011-04-28 | 2011-04-28 | Dielectric part of insulator for overhead power transmission and distribution lines and insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202178120U true CN202178120U (en) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201295064U Expired - Lifetime CN202178120U (en) | 2011-04-28 | 2011-04-28 | Dielectric part of insulator for overhead power transmission and distribution lines and insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202178120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355340A (en) * | 2015-10-23 | 2016-02-24 | 南京电气（集团）有限责任公司 | Glass composite insulator and manufacturing method therefor |
-
2011
- 2011-04-28 CN CN2011201295064U patent/CN202178120U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355340A (en) * | 2015-10-23 | 2016-02-24 | 南京电气（集团）有限责任公司 | Glass composite insulator and manufacturing method therefor |
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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 |
Granted publication date: 20120328 |
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| CX01 | Expiry of patent term |