CN102682934B - Insulator with combined type barrier - Google Patents
Insulator with combined type barrier Download PDFInfo
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- CN102682934B CN102682934B CN201110393094.XA CN201110393094A CN102682934B CN 102682934 B CN102682934 B CN 102682934B CN 201110393094 A CN201110393094 A CN 201110393094A CN 102682934 B CN102682934 B CN 102682934B
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Abstract
The invention relates to an insulator with a combined type barrier. The combined type barrier is arranged on an insulating body or an electrode of the insulator, or a part of the combined type barrier is arranged on the electrode and the other part of the combined type barrier is arranged on the insulating body. The combined type barrier consists of a general barrier and a plurality of auxiliary barriers, wherein the center of the general barrier is provided with center holes with different inner diameters, the upper surface and the lower surface of the general barrier are provided with annular grooves with different radiuses for installing the different auxiliary barriers, and the side surface of the general barrier is provided with holes with different radiuses for installing the different auxiliary barriers. The insulator solves the problems that mould manufacturing and an insulator with a three-element structure are difficult to generalize in the original patent and patent application of the applicant, the manufacturing and installation of the barrier are facilitated, few combined type barriers can be used for meeting the insulators of different types, insulating materials and voltage classes, the insulation and creepage distance of the insulator are increased, and the flashover, wet flashover and pollution flashover voltages are improved so as to be beneficial to the generalization of the insulator with the three-element structure.
Description
Technical field
The utility model relates to the insulator that a kind of electric power system is used, and is specially a kind of insulator with composite type barrier.
Background technology
Because of insulator, the overwhelming majority works out of doors, and service conditions is very severe.The electric power system overwhelming majority's power outage is all relevant with the dielectric surface flashover of insulator, and the applicant is head it off, has proposed element theoretical, adds barrier, by the insulating body of former insulator be connected gold utensil two elements and become element.For this reason, the applicant has the patent of " a kind of insulator that can improve external insulation electric strength " (China Patent No. 200810197722.5), is that the upper and lower electrode peripheral hardware at insulator is set up screen, lower barrier; Suspension electrode is first set on the insulator of long struts insulator, long composite suspension type insulators and long bushing insulator, intermediate barrier is set near suspension electrode; Upper and lower electrode peripheral hardware at insulator string is put upper and lower barrier, and intermediate barrier is established at middle part.
Barrier is divided into a plurality of regions by near air insulator surface by an original region, stop that moving charge enters into another region from a region, and moving charge can be spread in existing region, electric field strength in this region is reduced, thereby the Electric Field Distribution in regional is redistributed, the in tension region of Electric Field Distribution is relaxed.In addition, the space charge of barrier surface has changed the path of electric discharge, has strengthened the graded properties of electric discharge, has extended discharge time, and this can effectively improve the lightning protection level of insulator.
In addition, barrier itself can also make the part that insulator surface is watered by rainwater reduce, and plays the effect that improves wet flash-over voltage, and barrier itself has also increased creepage distance simultaneously, and barrier made by organic material again, so improved again the pollution flashover voltage of insulator.Barrier is set near electrode, makes insulator in the corona stage, just be subject to the interception of barrier, can improve the initial corona voltage of insulator, reduce radio interference, reduce the electric energy loss of high voltage transmission line, extend the service life of insulator.
Because this patent only arranges barrier on the insulator between insulator two electrodes, there is limitation the aspect, installation site of barrier, in order to make element structural insulation can obtain larger popularization in practical application,
The applicant has applied for " a kind of insulator that can improve external insulation electric strength, barrier installation site is insulator flexibly " (Chinese Patent Application No. 2011103433824 and 2011204307025), barrier installation site is extended to all sites of insulator surface outward by electrode, be on the electrode of insulator and/or on the insulator of insulator, make the set-up site improvement more of barrier, be conducive to element structural insulation and can obtain larger popularization in actual applications.
Above-mentioned two patents have limitation in the manufacturing process of barrier, and barrier type is various, and insulator kind is different, and barrier is different; Insulator electrode is different, and barrier is different; Installation site on insulator is different, and barrier is different, and this popularization for Mold Making and element structural insulation has brought difficulty.
Summary of the invention
The purpose of this utility model is for above-mentioned present situation, aim to provide a kind of insulator with composite type barrier, the Mold Making installation simple and easy, barrier of composite type barrier is simple and easy and can adapt to the insulator of various variety classeses, different insulative material and different electric pressures.
The implementation of the utility model object is that a kind of insulator with composite type barrier arranges composite type barrier on the insulator of insulator; Or composite type barrier is set on the electrode of insulator; Or a part for composite type barrier is arranged on electrode, a part is arranged on the insulator of insulator;
Composite type barrier is comprised of universal barrier and several auxiliary barrier, center at universal barrier, be provided with the centre bore of different inner diameters, upper and lower surface has the annular groove of the different radii of establishing different auxiliary barriers, and there is the hole of the different radii of establishing different auxiliary barriers side; Universal barrier is bonded by two parts.
The utility model has retained " a kind of insulator that can improve external insulation electric strength " patent all advantages of barrier has been set, also retained " a kind of insulator that can improve external insulation electric strength, barrier installation site is insulator flexibly " all advantages of patent, and by the making of barrier and installation summary, can meet various variety classeses with the few composite type barrier of quantity, the insulator of different insulative material and different electric pressures, increased the insulation distance of insulator, creepage distance, improve flashover voltage, wet flash-over voltage and pollution flashover voltage, be conducive to element structural insulation and can obtain larger popularization in actual applications.
Accompanying drawing explanation
Fig. 1 is the structural representation of universal barrier one,
Fig. 2 be the A-A of Fig. 1 to view,
Fig. 3 be the E-E of Fig. 1 to view,
Fig. 4 is the structural representation of universal barrier two,
Fig. 5 be the A-A of Fig. 4 to view,
Fig. 6 is for the structural representation of composite type barrier is set at porcelain or glass dish type suspension insulator string bottom electrode,
Fig. 7 is for the structural representation of composite type barrier is set at porcelain or glass dish type suspension insulator string bottom electrode,
Fig. 8 arranges the structural representation of composite type barrier at the side of wire was bottom electrode of porcelain or glass dish type suspension insulator string,
Fig. 9 arranges the structural representation of composite type barrier near the top electrode of Composite Insulators,
Figure 10 arranges the structural representation of composite type barrier near the bottom electrode grading ring of Composite Insulators,
Figure 11 arranges the structural representation of composite type barrier near the top electrode grading ring of Composite Insulators,
Figure 12 arranges the structural representation of composite type barrier near the upper and lower electrode of post insulator,
Figure 13 at least arranges the structural representation of a composite type barrier between the top electrode of post insulator and bottom electrode,
Figure 14 a, b at least arrange the structural representation of the composite type barrier of a Composite Insulators minister of defense gap arc barrier between the upper/lower electrode of Composite Insulators,
Embodiment
The utility model arranges composite type barrier on the insulator of insulator; Or composite type barrier is set on the electrode of insulator; Or a part for composite type barrier is arranged on electrode, a part is arranged on the insulator of insulator, and composite type barrier is comprised of universal barrier and several auxiliary barrier.For easy for installation on existing insulator, universal barrier is processed into two parts, and scene is bonded together two parts, forms universal barrier.Universal barrier has 22 two kinds of universal barrier 1, universal barriers.
The utility model is described in detail in detail with reference to the accompanying drawings.
With reference to Fig. 1,2,3, universal barrier 1 is disc, and it is bonded by two semi-discs.The upper surface of universal barrier 1 has upper annular groove one 1-1 of different radii, for the auxiliary barrier of various different radiis is set; Lower surface has lower annular groove one 1-2 of different radii, for the auxiliary barrier of various different radiis is set; There is the circular hole 1-3 of different radii side, for the cylindrical auxiliary barrier of various different sizes is set; Center is provided with the centre bore 1-4 of different inner diameters, for coordinating the insulator of various various outer diameters.
With reference to Fig. 4,5, universal barrier 22 be shaped as straw hat shape, it is bonded by two and half straw hat shapes.The lower surface of universal barrier 2 has the lower annular groove 2 2-2 of two different radiis at least, for the auxiliary barrier of various different radiis is set.Universal barrier two is arranged on porcelain (glass) cap and pin insulator string bottom electrode.
With reference to Fig. 6, at the ground connection side top electrode 8 of porcelain or glass dish type suspension insulator string 5, universal barrier 1 is set, in upper annular groove one 1-1 of universal barrier one upper surface, barrier 3-1 in two ground connection sides is set.The material of universal barrier one is organic insulating material, bonding good with top electrode 8, and bonding contact-making surface is very large, has guaranteed adhesive strength.In ground connection side, barrier 3-1 is identical insulating material with universal barrier one, so also bonding good.In the outermost of general screen 1, in annular groove one 1-1, arrange and stop leakage current barrier one 3-2, stop that leakage current barrier one 3-2 is made by conductor, can stop the leakage current that ground connection side top electrode 8 sends.Barrier 3-1 and stop that leakage current barrier one 3-2 forms insulator string ground connection side composite type barrier jointly in one, two ground connection sides of universal barrier.
With reference to Fig. 7, at the bottom electrode 9 of porcelain or glass dish type suspension insulator string 5, universal barrier 22 is set, at the lower annular groove 2 2-2 of universal barrier two lower surfaces, bottom electrode barrier 3-3 is set.The lower surface of universal barrier two has the lower annular groove 2 2-2 of two different radiis at least, the bottom electrode barrier 3-3 of various different radiis can be set, with the mould of a set of universal barrier two, can meet porcelain or the glass dish type suspension insulator string of all sizes.Universal barrier two and bottom electrode barrier 3-3 form insulator string bottom electrode composite type barrier jointly.
With reference to Fig. 8, at the side of wire was bottom electrode 9 of porcelain or glass dish type suspension insulator string 5, universal barrier 22 is set, at the lower annular groove 2 2-2 of universal barrier two lower surfaces, side of wire was bottom electrode barrier 3-4 is set.The lower surface of universal barrier two has the lower annular groove 2 2-2 of two different radiis at least, the side of wire was bottom electrode barrier 3-4 of various different vertical height can be set, the external insulating strength of enforced insulator.Universal barrier two and side of wire was bottom electrode barrier 3-4 form insulator string side of wire was composite type barrier jointly.
With reference to Fig. 9, near the top electrode 8 of Composite Insulators 6, universal barrier 1 is set, in the outermost of universal barrier, in annular groove one 1-1, arrange and stop leakage current barrier two 3-5.On stop that leakage current barrier two 3-5 are made by conductor, can stop the leakage current that top electrode sends.Universal barrier one and on stop that leakage current barrier two 3-5 form Composite Insulators top electrode composite type barrier jointly.
With reference to Figure 10, near the bottom electrode grading ring 10 of Composite Insulators 6, universal barrier 1 is set, in lower annular groove one 1-2 of universal barrier a lower surface, bottom electrode grading ring barrier 3-7 is set, under arranging in annular groove one 1-1, stops leakage current barrier 3 3-6 in the outermost of universal barrier one.Under stop that leakage current barrier three 3-6 are made by conductor, can stop the leakage current that bottom electrode sends.Universal barrier a lower surface has lower annular groove one 1-2 of two different radiis at least, and the lower uniform pressure ring barrier 3-7 of various different radiis can be set, and with the mould of a set of universal barrier 1, can meet the Composite Insulators of all sizes.In addition, the upper surface of universal barrier one is provided with upper annular groove one 1-1 of different radii, various auxiliary barrier can be set, the external insulating strength of enforced insulator.Universal barrier one, bottom electrode grading ring barrier 3-7 and under stop that leakage current barrier three 3-6 form Composite Insulators lower uniform pressure ring composite type barrier jointly.
With reference to Figure 11, near the top electrode grading ring 11 of Composite Insulators 6, universal barrier 1 is set, in the outermost of universal barrier one, in annular groove one 1-1, arrange and stop leakage current barrier 4 3-8.Stop that leakage current barrier four 3-8 are made by conductor, can stop the leakage current that top electrode 8 sends.The upper surface of universal barrier one is provided with the upper annular groove one 1-1 of different radii, and various auxiliary barrier can be set, the external insulating strength of enforced insulator.Universal barrier 1 and stop that leakage current barrier four 3-8 form grading ring composite type barrier on Composite Insulators jointly.
With reference to Figure 12, near the top electrode 8 of post insulator 7, universal barrier 1 is set, in the upper annular groove 1-1 of universal barrier one upper surface, barrier 3-10 on two pillars is set, in the outermost of universal barrier one, in annular groove one 1-1, arrange and stop leakage current barrier six 3-9.Stop that leakage current barrier three or five 3-9 are made by conductor, can stop the leakage current that top electrode 8 sends.The upper surface of universal barrier one is provided with annular groove one 1-1 of different radii, various auxiliary barrier can be set, the external insulating strength of enforced insulator.Barrier 3-10 and stop that leakage current barrier five 3-9 form composite type barrier jointly on one, two pillars of universal barrier.
Near the bottom electrode 9 of post insulator 7, universal barrier 1 is set, in lower annular groove one 1-2 of universal barrier a lower surface, lower barrier 3-11 is set.The lower surface of universal barrier one has lower annular groove one 1-2 of two different radiis at least, and barrier 3-11 under the pillar of various different radiis can be set, and with the mould of a set of universal barrier one, can meet the post insulator of all sizes.In addition, the upper surface of universal barrier one is provided with upper annular groove one 1-1 of different radii, various auxiliary barrier can be set, the external insulating strength of enforced insulator.Under universal barrier one and pillar, barrier 3-11 forms post insulator composite type barrier jointly.
With reference to Figure 13, between the top electrode 8 of post insulator 7 and bottom electrode 9, a pair of universal barrier 1 is at least set, in the upper annular groove 1-1 and lower annular groove one 1-2 of universal barrier one, in arranging respectively and outer auxiliary barrier 3-13 and 3-12.A pair of universal barrier one and inside and outside auxiliary barrier 3-13,3-12 form the antifouling damp proof composite type barrier of post insulator jointly.The antifouling damp proof composite type barrier of post insulator can be arranged on the position of the easy contamination of insulator surface, the filth that can effectively alleviate insulator, and this antifouling damp proof barrier also can be arranged in the insulator of the every other kind except post insulator.
With reference to Figure 14 a, between the top electrode 8 of Composite Insulators and bottom electrode 9, a universal barrier 1 is at least set, in the circular hole 1-3 of universal barrier one side, an electric arc barrier 3-14 is set.Electric arc barrier 3-14 is made by conductor, long arc can be divided into short electric arc, improves the flashover voltage of insulator.Universal barrier one and electric arc barrier 3-14 form Composite Insulators minister of defense gap arc composite type barrier jointly.Figure 11 b is the vertical view of Composite Insulators minister of defense gap arc barrier.This minister of defense's gap arc barrier also can be arranged in the insulator of the every other kind except Composite Insulators.
Claims (12)
1. with an insulator for composite type barrier, it is characterized in that arranging composite type barrier on the insulator of insulator; Or composite type barrier is set on the electrode of insulator; Or a part for composite type barrier is arranged on electrode, a part is arranged on the insulator of insulator;
Composite type barrier is comprised of universal barrier and several auxiliary barrier, center at universal barrier, be provided with the centre bore of different inner diameters, upper and lower surface has the annular groove of the different radii of establishing different auxiliary barriers, and there is the hole of the different radii of establishing different auxiliary barriers side; Universal barrier is bonded by two parts.
2. a kind of insulator with composite type barrier according to claim 1, it is characterized in that universal barrier has two (2) two kinds of universal barrier one (1), universal barriers, universal barrier one is disc, center is provided with the centre bore (1-4) of different inner diameters, universal barrier two be shaped as straw hat shape.
3. a kind of insulator with composite type barrier according to claim 1, it is characterized in that, at the ground connection side top electrode (8) of porcelain or glass dish type suspension insulator string (5), universal barrier one (1) is set, in the upper annular groove one (1-1) of universal barrier one, barrier (3-1) in two ground connection sides is set, in ground connection side, barrier and top electrode (8) are bonding, in the outermost of universal barrier one, in annular groove one (1-1), arrange and stop leakage current barrier one (3-2).
4. a kind of insulator with composite type barrier according to claim 2, it is characterized in that, at the bottom electrode (9) of porcelain or glass dish type suspension insulator string (5), universal barrier two (2) is set, in the upper annular groove two (2-1) of universal barrier two lower surfaces, bottom electrode barrier (3-3) is set.
5. a kind of insulator with composite type barrier according to claim 2, it is characterized in that, at the side of wire was bottom electrode (9) of porcelain or glass dish type suspension insulator string (5), universal barrier two (2) is set, in the lower annular groove two (2-2) of universal barrier two lower surfaces, side of wire was bottom electrode barrier (3-4) is set.
6. a kind of insulator with composite type barrier according to claim 1, it is characterized in that near the top electrode (8) of Composite Insulators (6), universal barrier one (1) is set, in the outermost of universal barrier one, in annular groove one (1-1), arranges and stop leakage current barrier two (3-5).
7. a kind of insulator with composite type barrier according to claim 1, it is characterized in that near the bottom electrode grading ring (10) of Composite Insulators (6), universal barrier one (1) is set, in the lower annular groove one (1-2) of universal barrier a lower surface, bottom electrode grading ring barrier (3-7) is set, under arranging in annular groove one (1-1), stops leakage current barrier three (3-6) in the outermost of universal barrier one.
8. a kind of insulator with composite type barrier according to claim 2, it is characterized in that near the top electrode grading ring (11) of Composite Insulators (6), universal barrier one (1) is set, in universal barrier one outermost, in annular groove one (1-1), arranges and stop leakage current barrier four (3-8).
9. a kind of insulator with composite type barrier according to claim 1, it is characterized in that, near the top electrode (8) of post insulator (7), universal barrier one (1) is set, in the upper annular groove one (1-1) of universal barrier one upper surface, barrier (3-10) on two pillars is set, in the outermost of universal barrier one, in annular groove one (1-1), arranges and stop leakage current barrier five (3-9).
10. a kind of insulator with composite type barrier according to claim 1, it is characterized in that, near the bottom electrode (9) of post insulator (7), universal barrier one (1) is set, in the lower annular groove one (1-2) of universal barrier a lower surface, barrier under pillar (3-11) is set.
11. a kind of insulators with composite type barrier according to claim 1, it is characterized in that, between the top electrode (8) of post insulator (7) and bottom electrode (9), a pair of universal barrier one (1) is at least set, in the upper annular groove one (1-1) and lower annular groove one (1-2) of universal barrier one, interior auxiliary barrier (3-13) and outer auxiliary barrier (3-12) are set respectively.
12. a kind of insulators with composite type barrier according to claim 1, it is characterized in that, between the top electrode (8) of Composite Insulators (6) and bottom electrode (9), a pair of universal barrier one (1) is at least set, in the circular hole (1-3) of universal barrier one side, an electric arc barrier (3-14) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110393094.XA CN102682934B (en) | 2011-12-01 | 2011-12-01 | Insulator with combined type barrier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110393094.XA CN102682934B (en) | 2011-12-01 | 2011-12-01 | Insulator with combined type barrier |
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| Publication Number | Publication Date |
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| CN102682934A CN102682934A (en) | 2012-09-19 |
| CN102682934B true CN102682934B (en) | 2014-01-22 |
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| CN201110393094.XA Active CN102682934B (en) | 2011-12-01 | 2011-12-01 | Insulator with combined type barrier |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105870857A (en) * | 2016-05-26 | 2016-08-17 | 国网新疆电力公司乌鲁木齐供电公司 | High-pressure wall bushing of three-element structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2771505B2 (en) * | 1996-03-14 | 1998-07-02 | 株式会社日立製作所 | DC bushing |
| US6441310B1 (en) * | 2001-03-30 | 2002-08-27 | Hubbell Incorporated | Moisture activated barrier for electrical assemblies |
| CN1225747C (en) * | 2003-07-31 | 2005-11-02 | 西安交通大学 | Combined insulator chain for high voltage transmission line |
| JP4392258B2 (en) * | 2004-02-06 | 2009-12-24 | 昭和電線ケーブルシステム株式会社 | Bushing, cable termination connection and through bushing with this bushing |
| CN101409120B (en) * | 2008-11-20 | 2011-09-14 | 武汉市德赛电力设备有限公司 | Insulator capable of improving external insulation electric strength |
| CN202352429U (en) * | 2011-12-01 | 2012-07-25 | 湖北鑫德赛绝缘技术有限公司 | Insulator with combined barriers |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Owner name: SHENZHEN POWER SUPPLY CO., LTD. Effective date: 20140521 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20140521 Address after: 430072 room 1713, building 1, engineering department, Wuhan University, Wuchang District, Hubei, Wuhan Patentee after: Hubei Xindesai Insulation Technology Co., Ltd. Patentee after: Shenzhen Power Supply Bureau Co., Ltd. Address before: 430072 room 1713, building 1, engineering department, Wuhan University, Wuchang District, Hubei, Wuhan Patentee before: Hubei Xindesai Insulation Technology Co., Ltd. |
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| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Desai Inventor after: Zhou Ronglin Inventor after: Deng Shicong Inventor before: Zhang Desai |
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Free format text: CORRECT: INVENTOR; FROM: ZHANG DESAI TO: ZHANG DESAI ZHOU RONGLIN DENG SHICONG |