CN201638621U - Ceramic bushing of high-voltage power capacitor - Google Patents
Ceramic bushing of high-voltage power capacitor Download PDFInfo
- Publication number
- CN201638621U CN201638621U CN2009203514251U CN200920351425U CN201638621U CN 201638621 U CN201638621 U CN 201638621U CN 2009203514251 U CN2009203514251 U CN 2009203514251U CN 200920351425 U CN200920351425 U CN 200920351425U CN 201638621 U CN201638621 U CN 201638621U
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Abstract
The utility model discloses a ceramic bushing of a high-voltage power capacitor, comprising a ceramic insulator body, a wiring assembly and a mounting assembly, wherein the insulator body is provided with a through hole along the central axis, and the lower outer wall thereof is provided with an annular positioning boss; the mounting assembly comprises a metal mounting seat and a sealing ring; the metal mounting seat is basically tubular, the upper end is provided with a welding part and the lower end is provided with an inwards-convex stop part; the mounting assembly also comprises a metal wire of which two ends are fixedly connected; the inner wall of the welding part of the metal mounting seat, the outer wall of the insulator body and a welding space is formed at the top end of the annular positioning boss; the metal wire is arranged in the welding space; and the welding part of the mounting seat is fixedly connected with the metal wire through welding by solder added in the welding space. The utility model has the advantages of convenient mounting and operation and attractive welding effect.
Description
Technical field
The utility model relates to high-voltage capacitor, relates in particular to a kind of high-voltage power capacitor ceramic bushing.
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.
In addition, 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 occurs, and is difficult to sanding machine it be handled, and is very not attractive in appearance.
The utility model content
The purpose of this utility model is to provide the high-voltage power capacitor ceramic bushing that a kind of fitting operation is comparatively convenient, welding effect is comparatively attractive in appearance at above-mentioned weak point.
The technical scheme that realizes the utility model purpose is: a kind of high-voltage power capacitor ceramic bushing 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 installation component also comprises a wire that two ends are fixedly connected; 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 locating lug boss of described insulator body, and the top of the inwall of described metal installation base weld part, the outer wall of described insulator body and described annular locating lug boss surrounds a welding space; Described wire is arranged in the described welding space; The weld part of described mount pad is fixedlyed connected by the scolder welding that joins in the described welding space with wire.
In the technique scheme, described insulator body also is provided with an annular recess between described annular locating lug boss and full skirt; The weld part of described metal installation base exceeds the annular recess of described insulator body.
In the technique scheme, described wire is iron wire or steel wire, and described two ends wiry are twisted and connect or spot-welded on.
In the technique scheme, described insulator body is provided with inwardly protruded ring-type on the top of described through hole and stops boss.
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; 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 utlity model has positive effect:
(1) in the utility model, described installation component also comprises a wire that two ends are fixedly connected; Described metal installation base is set on the outer wall of described insulator body bottom and its catch ring is positioned at the below of described annular locating lug boss; Described sealing ring is between the lower surface and described catch ring of described annular locating lug boss; The weld part of described metal installation base exceeds the annular locating lug boss of described insulator body, and the top of the inwall of described metal installation base weld part, the outer wall of described insulator body and described annular locating lug boss surrounds a welding space; Described wire is arranged in the described welding space; The weld part of described mount pad is fixedlyed connected by the scolder welding that joins in the described welding space with wire.This structure can adopt common tin alloy solder welding; need not welding ceramics and metal; and only need carry out welding between metal and the metal; both can reduce manufacturing cost significantly; can adopt the lighter industrial chemicals of pollution to prepare the scolder that is used to smear again, exceptionally favourable to the environmental protection aspect.In addition, owing to be provided with wire in the welding space, thing that this wire one side conduct is fixing and scolder and mount pad are integrally welded, can be used as filler on the other hand, after 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 structural representation of the present utility model;
The explosive view that Fig. 2 is a high-voltage power capacitor ceramic bushing shown in Figure 1 when another angle is observed;
Fig. 3 is the half sectional view of high-voltage power capacitor ceramic bushing shown in Figure 1.
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, connector assembly 2, metal nut cap 21, open-work 211, T font connection bolt 22, stop part 221, wiring threaded portion 222, elastic sealing gasket 23, wiring nut 24, wiring hole 241, at described wiring hole 241, tighten screw 242, following installation screw 243, trip bolt 25, installation component 3, metal installation base 31, weld part 311, stop part 312, scolder 313, wire 314, location notch 316, sealing ring 32.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 3 has shown a kind of embodiment of the present utility model, and wherein, Fig. 1 is a kind of structural representation of the present utility model; The explosive view that Fig. 2 is a high-voltage power capacitor ceramic bushing shown in Figure 1 when another angle is observed; Fig. 3 is the half sectional view of high-voltage power capacitor ceramic bushing shown in Figure 1.
Present embodiment is a kind of high-voltage power capacitor ceramic bushing that is used for, and sees Fig. 1 to Fig. 3, 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.
Described installation component 3 also comprises a wire 314 that two ends are fixedly connected.
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 32 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 locating lug boss 13 of described insulator body 1, and the top of 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 surrounds a welding space.
Described wire 314 is arranged in the described welding space; The weld part 311 of described mount pad is fixedlyed connected by scolder 313 welding that join in the described welding space with wire 314.
In order to increase the location convenience of wire 314, described insulator body 1 also is provided with an annular recess 14 between described annular locating lug boss 13 and full skirt 12; The weld part 311 of described metal installation base 31 exceeds the annular recess 14 of described insulator body 1, also is that described annular recess 14 is also in the welding space.Wire 314 in the present embodiment is iron wires, and slightly spot welding is fixedly connected once between its two ends, and is set in the described annular recess 14.In concrete practice, described wire 314 also can adopt steel wire, and two ends wiry also can directly be twisted and be connect in succession.
Described insulator body 1 is provided with inwardly protruded ring-type on the top of described through hole 11 and stops boss 15.
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 can adopt common tin alloy solder welding; need not welding ceramics and metal; and only need carry out welding between metal and the metal; both can reduce manufacturing cost significantly; can adopt the lighter industrial chemicals of pollution to prepare the scolder that is used to smear again, exceptionally favourable to the environmental protection aspect.In addition, owing to be provided with wire in the welding space, thing that this wire one side conduct is fixing and scolder and mount pad are integrally welded, can be used as filler on the other hand, after 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.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to execution mode of the present utility model.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 utility model extended out and still are among the protection range of the present utility model.
Claims (5)
1. high-voltage power capacitor ceramic bushing 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 installation component (3) also comprises a wire (314) that two ends are fixedly connected;
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 (32) 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 locating lug boss (13) of described insulator body (1), and the outer wall of the inwall of described metal installation base (31) weld part (311), described insulator body (1) and the top of described annular locating lug boss (13) surround a welding space;
Described wire (314) is arranged in the described welding space; The weld part of described mount pad (311) is fixedlyed connected by scolder (313) welding that joins in the described welding space with wire (314).
2. high-voltage power capacitor ceramic bushing according to claim 1 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); The weld part (311) of described metal installation base (31) exceeds the annular recess (14) of described insulator body (1).
3. high-voltage power capacitor ceramic bushing according to claim 1 is characterized in that: described wire (314) is iron wire or steel wire, and the two ends of described metal (314) are twisted and connect or spot-welded on.
4. high-voltage power capacitor ceramic bushing 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).
5. high-voltage power capacitor ceramic bushing according to claim 4 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); The middle part of described wiring nut (24) is provided with horizontal wiring hole (241), is provided with in described wiring hole (241) top and tightens screw (242) longitudinally, is 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203514251U CN201638621U (en) | 2009-12-29 | 2009-12-29 | Ceramic bushing of high-voltage power capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203514251U CN201638621U (en) | 2009-12-29 | 2009-12-29 | Ceramic bushing of high-voltage power capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201638621U true CN201638621U (en) | 2010-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203514251U Expired - Lifetime CN201638621U (en) | 2009-12-29 | 2009-12-29 | Ceramic bushing of high-voltage power capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201638621U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623110A (en) * | 2012-04-28 | 2012-08-01 | 卢秋华 | Insulator device |
| CN107731427A (en) * | 2017-09-28 | 2018-02-23 | 句容市大唐电气有限公司 | Can prolonged type insulator |
| WO2022262976A1 (en) * | 2021-06-17 | 2022-12-22 | Siemens Energy Global GmbH & Co. KG | High-voltage bushing |
-
2009
- 2009-12-29 CN CN2009203514251U patent/CN201638621U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623110A (en) * | 2012-04-28 | 2012-08-01 | 卢秋华 | Insulator device |
| CN102623110B (en) * | 2012-04-28 | 2013-12-18 | 卢秋华 | Insulator device |
| CN107731427A (en) * | 2017-09-28 | 2018-02-23 | 句容市大唐电气有限公司 | Can prolonged type insulator |
| WO2022262976A1 (en) * | 2021-06-17 | 2022-12-22 | Siemens Energy Global GmbH & Co. KG | High-voltage bushing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101117 Effective date of abandoning: 20091229 |