CN101719402A - Ceramic insulator and high voltage power capacitor insulator device - Google Patents
Ceramic insulator and high voltage power capacitor insulator device Download PDFInfo
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- CN101719402A CN101719402A CN200910261840A CN200910261840A CN101719402A CN 101719402 A CN101719402 A CN 101719402A CN 200910261840 A CN200910261840 A CN 200910261840A CN 200910261840 A CN200910261840 A CN 200910261840A CN 101719402 A CN101719402 A CN 101719402A
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Abstract
The invention discloses a ceramic insulator and a high voltage power capacitor insulator device. The ceramic insulator comprises a ceramic insulator body, wherein the middle outer wall is provided with a plurality of umbrella skirts, and the lower wall is provided with an annular locating lug boss; and an annular groove is arranged between the annular locating lug boss and the umbrella skirts. The insulator device comprises the ceramic insulator body, a wiring assembly and a mounting assembly; the mounting assembly comprises a metal mounting seat and a seal ring; the metal mounting seat is tubular, the upper end of the metal mounting seat is provided with a welding part, the lower end is provided with a blocking part, and the blocking part is positioned below the annular locating lug boss; the seal ring is positioned between the lower surface of the annular locating lug boss and the blocking part; the welding part is higher than the annular groove of the insulator body; and the inner wall of the welding part of the metal mounting seat, the outer wall of the insulator body and the annular locating lug boss enclose a welding space, and welding flux is arranged in the welding space. The invention is convenient to mount and operate and effectively enhances the production efficiency.
Description
Technical field
The present invention relates to ceramic insulator structure-design technique field, the high-voltage power capacitor insulator arrangement that relates in particular to a kind of ceramic insulator and adopt this kind ceramic insulator to make.
Background technology
The ceramic insulator of high-voltage capacitor in the market is with silver installation portion and ceramic body to be welded together, and makes it firmly to be fixed on the ceramic body, and this product cost is higher, complex steps, long processing time.
Traditional ceramic-type insulator, need metallic connector assembly and installation component is fixing with the welding of ceramic insulator body, because the particularity of pottery, needing to adopt with the silver alloy is the extraordinary scolder of main component, this kind scolder price is very expensive, simultaneously in order to guarantee the fastness of the two combination, also needs quite thick layer, materials are more, cause the cost of this kind insulator high; In addition,, need to adopt the heavier acidic chemical medicine of pollution level, be unfavorable for protecting environment for this silver alloy is mixed with the viscous state of smearing easily.
It is 200910131660.2 patent application that the applicant had formerly submitted number of patent application to, discloses a kind of ceramic insulator device that is used for high-voltage capacitor.The ceramic insulator device of this patent disclosure replaces traditional silver alloy solder with common cheap tin alloy solder, thereby has reduced manufacturing cost by adopting new construction.
The applicant finds in follow-up research and development trial-manufacturing process, adopt the welding of two semicircular metal baffle rings and metal installation base fixing, thereby guarantee that metal installation base fixedly secures on ceramic outer wall, this structure is practical and can meets relevant national standard, but the operating process of its installation and processing is but comparatively loaded down with trivial details, need to adopt special special fixture to clamp metal baffle ring and metal installation base, could carry out soldering to it smoothly.
Summary of the invention
The purpose of this invention is to provide a kind of fitting operation ceramic insulator comparatively easily.
Another object of the present invention provides the lower and installation and processing of a kind of cost operation high-voltage power capacitor insulator arrangement comparatively easily.
The technical scheme that realizes first purpose of the present invention is: a kind of ceramic insulator comprises the ceramic insulator body; Described ceramic insulator body is provided with through hole along self central axis, and the middle part outer wall of described insulator body is provided with a plurality of full skirts, and the outer wall of described insulator body bottom is provided with an annular locating lug boss; Described insulator body also is provided with an annular recess between described annular locating lug boss and full skirt.
In the technique scheme, described insulator body is provided with inwardly protruded ring-type on the top of described through hole and stops boss.
The technical scheme that realizes second purpose of the present invention is: a kind of high-voltage power capacitor insulator arrangement comprises the ceramic insulator body, is arranged on the connector assembly on described ceramic insulator body top and is arranged on the installation component of described ceramic insulator body bottom; Described ceramic insulator body is provided with through hole along self central axis, and the middle part outer wall of described insulator body is provided with a plurality of full skirts, and the outer wall of described insulator body bottom is provided with an annular locating lug boss; Described installation component comprises metal installation base and the sealing ring that is set on the outer wall of described insulator body bottom; The basic configuration of described metal installation base is a tubulose, and its upper end is provided with weld part, and its lower end is provided with to projecting inward stop part; Described insulator body also is provided with an annular recess between described annular locating lug boss and full skirt; Described metal installation base is set on the outer wall of described insulator body bottom and its stop part is positioned at the below of described annular locating lug boss; Described sealing ring is between the lower surface and described stop part of described annular locating lug boss; The weld part of described metal installation base exceeds the annular recess of described insulator body; The inwall of described metal installation base weld part, the outer wall of described insulator body and described annular locating lug boss surround a welding space, are provided with in the described welding space to be used for the scolder that is welded and fused with described mount pad weld part.
In the technique scheme, be provided with the metal baffle ring in the annular recess of described insulator body; Described metal baffle ring is fixedlyed connected by the scolder welding with metal installation base.
In the technique scheme, described metal baffle ring comprises two semicircular back-up rings.
In the technique scheme, the diapire of described metal installation base is provided with location notch.
In the technique scheme, described connector assembly comprises metal nut cap, T font connection bolt, elastic sealing gasket, wiring nut and trip bolt; Described metal nut cap center is provided with open-work, and described crown cap cap is on the top of described insulator body, and the through hole of its central bore and described insulator body is over against setting.
In the technique scheme, the bottom of described T font connection bolt is provided with the bigger stop part of diameter, top is provided with the less wiring threaded portion of diameter, described stop part is arranged in the described through hole and is positioned at the below that described ring-type stops boss, and the open-work of described metal nut cap is stretched out and pass in described wiring threaded portion from described through hole; Described elastic sealing gasket is set on the described connection bolt and at the stop part of described connection bolt and the ring-type of insulator body and stops between the boss; The middle part of described wiring nut is provided with horizontal wiring hole, is provided with above described wiring hole and tightens screw longitudinally, is provided with screw is installed down longitudinally below described wiring hole; Described wiring nut is spirally connected by installation screw under it and is fixed on the wiring threaded portion of T font connection bolt; Described trip bolt is arranged on tightening in the screw of wiring nut.
The present invention has positive effect:
(1) in the ceramic insulator of the present invention, described insulator body also is provided with an annular recess between described annular locating lug boss and full skirt; When adopting the scolder welding, the scolder that melts is filled in this annular recess, need not to be provided with herein again the metal baffle ring, can be fixed on metal installation base on the insulator body outer wall securely, thereby make the fitting operation of installation component have convenience well.
(2) in the high-voltage power capacitor insulator arrangement of the present invention, described insulator body also is provided with an annular recess between described annular locating lug boss and full skirt; Described metal installation base is set on the outer wall of described insulator body bottom and its stop part is positioned at the below of described annular locating lug boss; Described sealing ring is between the lower surface and described stop part of described annular locating lug boss; The weld part of described metal installation base exceeds the annular recess of described insulator body; The inwall of described metal installation base weld part, the outer wall of described insulator body and described annular locating lug boss surround a welding space, are provided with in the described welding space to be used for the scolder that is welded and fused with described mount pad weld part.This kind structure can no longer be provided with the metal baffle ring, also can be fixed on metal installation base on the insulator body outer wall securely, thereby make the fitting operation of installation component have convenience well.
(3) in the high-voltage power capacitor insulator arrangement of the present invention, be provided with the metal baffle ring in the annular recess of described insulator body; Described metal baffle ring is fixedlyed connected by the scolder welding with metal installation base.Because the welding space is bigger, required scolder is more, after the welding, easily at the scolder place at the close insulator body outer wall place at the top of metal installation base, a recessed groove appears, and be difficult to it be handled with sanding machine, very not attractive in appearance, after the metal baffle ring being set at this place, after can guaranteeing welding, the scolder at metal installation base top can be not recessed, thereby can adopt sanding machine that it is polished processing, guarantees the aesthetic feeling of outward appearance.
Description of drawings
Fig. 1 is a kind of perspective view of ceramic insulator among the present invention;
Fig. 2 is the front view of ceramic insulator shown in Figure 1;
Fig. 3 is the cutaway view of ceramic insulator shown in Figure 2 along the A-A line;
Fig. 4 is a kind of perspective view of first kind of structure of mesohigh power capacitor insulator arrangement of the present invention;
The perspective view that Fig. 5 is a high-voltage power capacitor insulator arrangement shown in Figure 4 when another angle is observed;
Fig. 6 is a kind of explosive view of high-voltage power capacitor insulator arrangement shown in Figure 4;
Fig. 7 is a kind of topology view that partly cuts open of high-voltage power capacitor insulator arrangement shown in Figure 4.
Be labeled as shown in the accompanying drawing: insulator body 1, through hole 11, full skirt 12, annular locating lug boss 13, annular recess 14, ring-type stops boss 15,
Embodiment
(embodiment 1, ceramic insulator)
Fig. 1 to Fig. 3 has shown a kind of embodiment of ceramic insulator of the present invention, and wherein, Fig. 1 is a kind of perspective view of ceramic insulator among the present invention; Fig. 2 is the front view of ceramic insulator shown in Figure 1; Fig. 3 is the cutaway view of ceramic insulator shown in Figure 2 along the A-A line.
Present embodiment is a kind of ceramic insulator that is used for high-voltage capacitor, sees Fig. 1 to Fig. 3, comprises ceramic insulator body 1; Described ceramic insulator body 1 is provided with through hole 11 along self central axis, and the middle part outer wall of described insulator body 1 is provided with a plurality of full skirts 12, and the outer wall of described insulator body 1 bottom is provided with an annular locating lug boss 13; Described insulator body 1 also is provided with an annular recess 14 between described annular locating lug boss 13 and full skirt 12.
See Fig. 3, described insulator body 1 is provided with inwardly protruded ring-type on the top of described through hole 11 and stops boss 15.
In the present embodiment, described insulator body 1 also is provided with an annular recess 14 between described annular locating lug boss 13 and full skirt 12; When adopting the scolder welding, the scolder that melts is filled in this annular recess, need not to be provided with herein again the metal baffle ring, can be fixed on metal installation base on the insulator body outer wall securely, thereby make the fitting operation of installation component have convenience well.
(embodiment 2, high-voltage power capacitor insulator arrangement)
Fig. 4 to Fig. 7 has shown a kind of embodiment of high-voltage power capacitor insulator arrangement of the present invention, and wherein Fig. 4 is a kind of perspective view of first kind of structure of mesohigh power capacitor insulator arrangement of the present invention; The perspective view that Fig. 5 is a high-voltage power capacitor insulator arrangement shown in Figure 4 when another angle is observed; Fig. 6 is a kind of explosive view of high-voltage power capacitor insulator arrangement shown in Figure 4; Fig. 7 is a kind of topology view that partly cuts open of high-voltage power capacitor insulator arrangement shown in Figure 4.
Present embodiment is a kind of high-voltage power capacitor insulator arrangement, sees Fig. 4 to Fig. 7, comprises ceramic insulator body 1, is arranged on the connector assembly 2 on described ceramic insulator body 1 top and is arranged on the installation component 3 of described ceramic insulator body 1 bottom;
Described ceramic insulator body 1 is provided with through hole 11 along self central axis, and the middle part outer wall of described insulator body 1 is provided with a plurality of full skirts 12, and the outer wall of described insulator body 1 bottom is provided with an annular locating lug boss 13;
Described installation component 3 comprises metal installation base 31 and the sealing ring 32 that is set on the described insulator body 1 bottom outer wall; The basic configuration of described metal installation base 31 is a tubulose, and its upper end is provided with weld part 311, and its lower end is provided with to projecting inward stop part 312, at the location notch 316 that is provided with location usefulness when fixedlying connected with the high-voltage power capacitor housing on its diapire.
See Fig. 7, described insulator body 1 also is provided with an annular recess 14 between described annular locating lug boss 13 and full skirt 12.
Described metal installation base 31 is set on the outer wall of described insulator body 1 bottom and its stop part 312 is positioned at the below of described annular locating lug boss 13; Described sealing ring is between the lower surface and described stop part 312 of described annular locating lug boss 13; The weld part 311 of described metal installation base 31 exceeds the annular recess 14 of described insulator body 1; The inwall of described metal installation base 31 weld parts 311, the outer wall of described insulator body 1 and described annular locating lug boss 13 surround a welding space, are provided with in the described welding space to be used for the scolder 313 that is welded and fused with described mount pad weld part 311.
Be provided with metal baffle ring 314 in the annular recess 14 of described insulator body 1; Described metal baffle ring 314 is fixedlyed connected by scolder 313 welding with metal installation base 31.
What the metal baffle ring 314 in the present embodiment adopted is the iron wire of two ends spot-welded on, in concrete practice, also can adopt steel wire, galvanized wire etc. can combine fastness preferred metal silk with tin alloy solder.
See Fig. 4 to Fig. 7, described connector assembly 2 comprises metal nut cap 21, T font connection bolt 22, elastic sealing gasket 23, wiring nut 24 and trip bolt 25; Described metal nut cap 21 centers are provided with open-work 211, and described metal nut cap 21 is covered on the top of described insulator body 1, and the through hole 11 of its central bore 211 and described insulator body 1 is over against setting; The bottom of described T font connection bolt 22 is provided with the bigger stop part of diameter 221, top is provided with the less wiring threaded portion 222 of diameter, described stop part 221 is arranged in the described through hole 11 and is positioned at the below that described ring-type stops boss 15, and the open-work 211 of described metal nut cap 21 is stretched out and pass in described wiring threaded portion 222 from described through hole 11; Described elastic sealing gasket 23 is set on the described connection bolt 22 and at the stop part 221 of described connection bolt 22 and the ring-type of insulator body 1 and stops between the boss 15; The middle part of described wiring nut 24 is provided with horizontal wiring hole 241, is provided with above described wiring hole 241 and tightens screw 242 longitudinally, is provided with screw 243 is installed down longitudinally below described wiring hole 241; Described wiring nut 24 is spirally connected by installation screw 243 under it and is fixed on the wiring threaded portion 222 of T font connection bolt 22; Described trip bolt 25 is arranged on tightening in the screw 242 of wiring nut 24.
Present embodiment has the following advantages:
(1) in the high-voltage power capacitor insulator arrangement of present embodiment, described insulator body 1 also is provided with an annular recess 14 between described annular locating lug boss 13 and full skirt 12; Described metal installation base 31 is set on the outer wall of described insulator body 1 bottom and its stop part 312 is positioned at the below of described annular locating lug boss 13; Described sealing ring is between the lower surface and described stop part 312 of described annular locating lug boss 13; The weld part 311 of described metal installation base 31 exceeds the annular recess 14 of described insulator body 1; The inwall of described metal installation base 31 weld parts 311, the outer wall of described insulator body 1 and described annular locating lug boss 13 surround a welding space, are provided with in the described welding space to be used for the scolder 313 that is welded and fused with described mount pad weld part 311.This kind structure can no longer be provided with the metal baffle ring, also can be fixed on metal installation base on the insulator body outer wall securely, thereby make the fitting operation of installation component have convenience well.
(2) in the high-voltage power capacitor insulator arrangement of present embodiment, be provided with metal baffle ring 314 in the annular recess 14 of described insulator body 1; Described metal baffle ring 314 is fixedlyed connected by scolder 313 welding with metal installation base 31.Because the welding space is bigger, required scolder is more, welding back at the scolder place at the close insulator body outer wall place at the top of metal installation base, a recessed groove occurs, and is difficult to sanding machine it be handled easily, very not attractive in appearance, after at this place the metal baffle ring being set, after can guaranteeing to weld, the scolder at metal installation base top can be not recessed, thereby can adopt sanding machine that it is polished processing, guarantee the aesthetic feeling of outward appearance.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (8)
1. a ceramic insulator comprises ceramic insulator body (1); Described ceramic insulator body (1) is provided with through hole (11) along self central axis, and the middle part outer wall of described insulator body (1) is provided with a plurality of full skirts (12), and the outer wall of described insulator body (1) bottom is provided with an annular locating lug boss (13);
It is characterized in that: described insulator body (1) also is provided with an annular recess (14) between described annular locating lug boss (13) and full skirt (12).
2. ceramic insulator according to claim 1 is characterized in that: described insulator body (1) is provided with inwardly protruded ring-type on the top of described through hole (11) and stops boss (15).
3. high-voltage power capacitor insulator arrangement comprises ceramic insulator body (1), is arranged on the connector assembly (2) on described ceramic insulator body (1) top and is arranged on the installation component (3) of described ceramic insulator body (1) bottom;
Described ceramic insulator body (1) is provided with through hole (11) along self central axis, and the middle part outer wall of described insulator body (1) is provided with a plurality of full skirts (12), and the outer wall of described insulator body (1) bottom is provided with an annular locating lug boss (13);
Described installation component (3) comprises metal installation base (31) and the sealing ring (32) that is set on the outer wall of described insulator body (1) bottom; The basic configuration of described metal installation base (31) is a tubulose, and its upper end is provided with weld part (311), and its lower end is provided with to projecting inward stop part (312);
It is characterized in that:
Described insulator body (1) also is provided with an annular recess (14) between described annular locating lug boss (13) and full skirt (12);
Described metal installation base (31) is set on the outer wall of described insulator body (1) bottom and its stop part (312) is positioned at the below of described annular locating lug boss (13); Described sealing ring is positioned between the lower surface and described stop part (312) of described annular locating lug boss (13); The weld part (311) of described metal installation base (31) exceeds the annular recess (14) of described insulator body (1); The outer wall of the inwall of described metal installation base (31) weld part (311), described insulator body (1) and described annular locating lug boss (13) surround a welding space, are provided with in the described welding space to be used for the scolder (313) that is welded and fused with described mount pad weld part (311).
4. high-voltage power capacitor insulator arrangement according to claim 3 is characterized in that: be provided with metal baffle ring (314) in the annular recess (14) of described insulator body (1); Described metal baffle ring (314) is fixedlyed connected by scolder (313) welding with metal installation base (31).
5. high-voltage power capacitor insulator arrangement according to claim 4 is characterized in that: described metal baffle ring (314) comprises two semicircular back-up rings.
6. high-voltage power capacitor insulator arrangement according to claim 3 is characterized in that: the diapire of described metal installation base (31) is provided with location notch (316).
7. high-voltage power capacitor insulator arrangement according to claim 3 is characterized in that: described connector assembly (2) comprises metal nut cap (21), T font connection bolt (22), elastic sealing gasket (23), wiring nut (24) and trip bolt (25);
Described metal nut cap (21) center is provided with open-work (211), and described metal nut cap (21) is covered on the top of described insulator body (1), and the through hole (11) of its central bore (211) and described insulator body (1) is over against setting;
The bottom of described T font connection bolt (22) is provided with the bigger stop part of diameter (221), top is provided with the less wiring threaded portion (222) of diameter, described stop part (221) is arranged in the described through hole (11) and is positioned at the below that described ring-type stops boss (15), and the open-work (211) of described metal nut cap (21) is stretched out and pass in described wiring threaded portion (222) from described through hole (11); Described elastic sealing gasket (23) is set in described connection bolt (22) and goes up and be positioned at the stop part (221) of described connection bolt (22) and the ring-type of insulator body (1) stops between the boss (15).
8. high-voltage power capacitor insulator arrangement according to claim 7, it is characterized in that: the middle part of described wiring nut (24) is provided with horizontal wiring hole (241), above described wiring hole (241), be provided with and tighten screw (242) longitudinally, be provided with in described wiring hole (241) below screw (243) is installed down longitudinally; Described wiring nut (24) is spirally connected by installation screw (243) under it on wiring threaded portion (222) that is fixed on T font connection bolt (22); Described trip bolt (25) is arranged on tightening in the screw (242) of wiring nut (24).
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910261840 CN101719402B (en) | 2009-12-29 | 2009-12-29 | Ceramic insulator and high voltage power capacitor insulator device |
| CN201310334714.1A CN103440936B (en) | 2009-12-29 | 2009-12-29 | Ceramic insulator and high-voltage power capacitor insulator device |
| CN201310334689.7A CN103426571B (en) | 2009-12-29 | 2009-12-29 | High-voltage power capacitor insulator device |
| CN201310341346.3A CN103730214B (en) | 2009-12-29 | 2009-12-29 | High-voltage power capacitor insulator device |
| CN201310334585.6A CN103426570B (en) | 2009-12-29 | 2009-12-29 | A kind of high-voltage power capacitor insulator device |
| CN201310336067.8A CN103440938B (en) | 2009-12-29 | 2009-12-29 | Processing fitting operation advantageously high-voltage power capacitor insulator device |
| CN201310341385.3A CN103730215B (en) | 2009-12-29 | 2009-12-29 | High-voltage power capacitor insulator device |
| CN201310335849.XA CN103440937B (en) | 2009-12-29 | 2009-12-29 | High-voltage power capacitor insulator device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910261840 CN101719402B (en) | 2009-12-29 | 2009-12-29 | Ceramic insulator and high voltage power capacitor insulator device |
Related Child Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310334689.7A Division CN103426571B (en) | 2009-12-29 | 2009-12-29 | High-voltage power capacitor insulator device |
| CN201310334585.6A Division CN103426570B (en) | 2009-12-29 | 2009-12-29 | A kind of high-voltage power capacitor insulator device |
| CN201310336067.8A Division CN103440938B (en) | 2009-12-29 | 2009-12-29 | Processing fitting operation advantageously high-voltage power capacitor insulator device |
| CN201310341346.3A Division CN103730214B (en) | 2009-12-29 | 2009-12-29 | High-voltage power capacitor insulator device |
| CN201310341385.3A Division CN103730215B (en) | 2009-12-29 | 2009-12-29 | High-voltage power capacitor insulator device |
| CN201310335849.XA Division CN103440937B (en) | 2009-12-29 | 2009-12-29 | High-voltage power capacitor insulator device |
| CN201310334714.1A Division CN103440936B (en) | 2009-12-29 | 2009-12-29 | Ceramic insulator and high-voltage power capacitor insulator device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101719402A true CN101719402A (en) | 2010-06-02 |
| CN101719402B CN101719402B (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310334689.7A Active CN103426571B (en) | 2009-12-29 | 2009-12-29 | High-voltage power capacitor insulator device |
| CN201310334585.6A Expired - Fee Related CN103426570B (en) | 2009-12-29 | 2009-12-29 | A kind of high-voltage power capacitor insulator device |
| CN 200910261840 Active CN101719402B (en) | 2009-12-29 | 2009-12-29 | Ceramic insulator and high voltage power capacitor insulator device |
| CN201310336067.8A Active CN103440938B (en) | 2009-12-29 | 2009-12-29 | Processing fitting operation advantageously high-voltage power capacitor insulator device |
| CN201310335849.XA Expired - Fee Related CN103440937B (en) | 2009-12-29 | 2009-12-29 | High-voltage power capacitor insulator device |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310334689.7A Active CN103426571B (en) | 2009-12-29 | 2009-12-29 | High-voltage power capacitor insulator device |
| CN201310334585.6A Expired - Fee Related CN103426570B (en) | 2009-12-29 | 2009-12-29 | A kind of high-voltage power capacitor insulator device |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310336067.8A Active CN103440938B (en) | 2009-12-29 | 2009-12-29 | Processing fitting operation advantageously high-voltage power capacitor insulator device |
| CN201310335849.XA Expired - Fee Related CN103440937B (en) | 2009-12-29 | 2009-12-29 | High-voltage power capacitor insulator device |
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| CN114093585A (en) * | 2021-11-25 | 2022-02-25 | 萍乡恒邦电力器材有限公司 | Mica ceramic insulator |
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| EA024693B1 (en) * | 2008-03-27 | 2016-10-31 | Открытое Акционерное Общество "Нпо "Стример" | High-voltage insulator and a high-voltage electric power line using said insulator |
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| CN101546635B (en) * | 2009-04-14 | 2011-05-25 | 王海龙 | Ceramic insulator device for high voltage capacitor |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101719402B (en) | 2013-08-21 |
| CN103440937A (en) | 2013-12-11 |
| CN103426570B (en) | 2015-10-28 |
| CN103440938B (en) | 2016-02-03 |
| CN103440937B (en) | 2016-03-30 |
| CN103426570A (en) | 2013-12-04 |
| CN103440938A (en) | 2013-12-11 |
| CN103426571A (en) | 2013-12-04 |
| CN103426571B (en) | 2016-02-17 |
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