CN102637526B - A kind of power capacitor - Google Patents

A kind of power capacitor Download PDF

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Publication number
CN102637526B
CN102637526B CN201210090572.4A CN201210090572A CN102637526B CN 102637526 B CN102637526 B CN 102637526B CN 201210090572 A CN201210090572 A CN 201210090572A CN 102637526 B CN102637526 B CN 102637526B
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China
Prior art keywords
roll extrusion
shaped
lug boss
locating lug
annular locating
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CN201210090572.4A
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Chinese (zh)
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CN102637526A (en
Inventor
张静
留毅
徐国钧
胡翔
姚海燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG TRULY ELECTRIC CO Ltd
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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ZHEJIANG TRULY ELECTRIC CO Ltd
Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Application filed by ZHEJIANG TRULY ELECTRIC CO Ltd, Hangzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical ZHEJIANG TRULY ELECTRIC CO Ltd
Priority to CN201410591924.3A priority Critical patent/CN104332308B/en
Priority to CN201210090572.4A priority patent/CN102637526B/en
Publication of CN102637526A publication Critical patent/CN102637526A/en
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Abstract

The invention discloses a kind of power capacitor, the binding post comprising capacitor casing, sealing ring and be fixed in capacitor casing, described binding post comprises ceramic insulator, and described ceramic insulator bottom outer wall is provided with annular locating lug boss; Described capacitor casing is provided with mounting sleeve; Described sealing ring to be set on insulator outer wall and to arrange with annular locating lug boss diapire is adjacent; Described mounting sleeve comprises for sealing ring being pressed on compressed part on annular locating lug boss diapire, for the socket part be set on annular locating lug boss periphery wall and the roll extrusion ring portion snapped onto by roll extrusion mode on annular locating lug boss roof; Described compressed part formed by roll extrusion tube wall, and it is the convex annular mesa-shaped of V-shaped or U-shaped in cross sectional shape inside pipe, and it is the annular groove shape of V-shaped or U-shaped in cross sectional shape outside pipe.The present invention has less, the lower-cost advantage of operation.

Description

A kind of power capacitor
Technical field
The present invention relates to ceramic-type binding post structure design field, particularly relate to a kind of ceramic insulator for power capacitor.
Background technology
Existing high-voltage power capacitor comprises capacitor casing and is arranged on the ceramic insulator device on electric capacity housing; The fixed mounting that described each ceramic insulator device comprises ceramic insulator body, is welded on the connector assembly at insulator top, is weldingly fixed on insulator bottom.This kind of ceramic insulator device, when manufacturing assembling, needs metal fixed mounting to be fixed on the outer wall of insulator body by welding manner; This kind of ceramic insulator device when mounted, first need to stamp out the mounting interface with the tubulose of fixed mounting matching form on the metal shell of capacitor, and then the ceramic insulator with fixed mounting is inserted in mounting interface, and together with solder fixed mounting being welded and fixed with the mounting interface in capacitor casing.
The shortcoming of this traditional high-voltage power capacitor is: when making power capacitor, need to make described fixed mounting, capacitor casing stamps out two independent operations of mounting interface, need when fixed mounting is installed on ceramic insulator body in addition once to weld, also need once to weld time on mounting interface fixed mounting being fixed on capacitor, cause its manufacturing procedure more, complex operation and cost is higher.
Summary of the invention
The object of this invention is to provide the power capacitor that a kind of manufacturing procedure is less, manufacturing cost is lower.
The technical scheme realizing the object of the invention is: a kind of power capacitor, the binding post comprising capacitor casing, sealing ring and be fixed in capacitor casing, described binding post comprises ceramic insulator, and described ceramic insulator bottom outer wall is provided with annular locating lug boss; Described capacitor casing is provided with mounting sleeve; Described sealing ring to be set on insulator outer wall and to arrange with annular locating lug boss diapire is adjacent; Described mounting sleeve comprises for sealing ring being pressed on compressed part on annular locating lug boss diapire, for the socket part be set on annular locating lug boss periphery wall and the roll extrusion ring portion snapped onto by roll extrusion mode on annular locating lug boss roof; Described compressed part formed by roll extrusion tube wall, and it is the convex annular mesa-shaped of V-shaped or U-shaped in cross sectional shape inside pipe, and it is the annular groove shape of V-shaped or U-shaped in cross sectional shape outside pipe.
In such scheme, described mounting sleeve and capacitor casing are integral pieces.
The present invention has positive effect: in (1) power capacitor of the present invention, directly in capacitor casing, punch forming goes out the mounting sleeve be connected with capacitor casing; Only need a roll extrusion, also mounting sleeve is namely only needed to snap onto in the annular locating lug boss on the outer wall of insulator bottom by roll extrusion, binding post can be fixedly mounted in capacitor casing, so product of the present invention has less, the lower-cost advantage of operation.
Accompanying drawing explanation
Fig. 1 is a kind of cutaway view of the present invention.
Embodiment
(embodiment 1)
Fig. 1 is a kind of cutaway view of the present invention, shows a kind of embodiment of the present invention.
The present embodiment is a kind of ceramic insulator for power capacitor, as shown in Figure 1, the binding post 2 comprising capacitor casing 1, sealing ring 5 and be fixed in capacitor casing 1, described binding post 2 comprises ceramic insulator 3 and is fixed on the connector assembly 7 in insulator 3 external wall of upper portion; Described ceramic insulator 3 external wall of upper portion is provided with ring-type roll extrusion snapping boss 34, middle part outer wall is provided with full skirt 33, and bottom outer wall is provided with annular locating lug boss 31, and its roof is provided with hexagonal groove 35, in addition, ceramic insulator 3 is also provided with the through hole 32 axially run through along its center.
Described capacitor casing 1 is provided with mounting sleeve 4; Described sealing ring 5 to be set on insulator 3 outer wall and to arrange with annular locating lug boss 31 diapire 311 is adjacent; Described mounting sleeve 4 comprises for sealing ring 5 being pressed on compressed part 41 on annular locating lug boss 31 diapire 311, for the socket part 42 be set on annular locating lug boss 31 periphery wall and the roll extrusion ring portion 43 snapped onto by roll extrusion mode on annular locating lug boss 31 roof 312; Described compressed part 41 formed by roll extrusion tube wall, and it is the convex annular mesa-shaped of V-shaped or U-shaped in cross sectional shape inside pipe, and it is the annular groove shape of V-shaped or U-shaped in cross sectional shape outside pipe.
In the present embodiment, described mounting sleeve 4 is integral piece with capacitor casing 1.
Described connector assembly 7 comprises the Gask-O-Seal 71 being arranged in insulator roof groove 35, the bolt 72 with nut 721 and stud 722 and roll extrusion sleeve pipe; Described roll extrusion sleeve pipe comprises the lid nip 731 bolt upper cap nut 721 is pressed on Gask-O-Seal 71, for the cannula portion 732 be set on ring-type roll extrusion snapping boss 34 periphery wall and the snapping ring 733 snapped onto by roll extrusion mode on ring-type roll extrusion snapping boss 34 diapire.
The present embodiment by directly in capacitor casing punch forming go out the mounting sleeve be connected with capacitor casing; Only need a roll extrusion, also mounting sleeve is namely only needed to snap onto in the annular locating lug boss on the outer wall of insulator bottom by roll extrusion, binding post can be fixedly mounted in capacitor casing, so product of the present invention has less, the lower-cost advantage of operation.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction 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 exhaustive without the need to also giving all execution modes.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.

Claims (1)

1. a power capacitor, the binding post (2) comprising capacitor casing (1), sealing ring (5) and be fixed in capacitor casing (1), described binding post (2) comprises ceramic insulator (3), described ceramic insulator is provided with the through hole (32) axially run through along its center, and described ceramic insulator (3) bottom outer wall is provided with annular locating lug boss (31); Described capacitor casing (1) is provided with mounting sleeve (4); Described sealing ring (5) to be set on insulator (3) outer wall and to arrange with annular locating lug boss (31) diapire (311) is adjacent; It is characterized in that: described mounting sleeve (4) comprises for sealing ring (5) being pressed on compressed part (41) on annular locating lug boss (31) diapire (311), for the socket part (42) be set on annular locating lug boss (31) periphery wall and the roll extrusion ring portion (43) snapped onto by roll extrusion mode on annular locating lug boss (31) roof (312); Described compressed part (41) formed by roll extrusion tube wall, and it is the convex annular mesa-shaped of V-shaped or U-shaped in cross sectional shape inside pipe, and it is the annular groove shape of V-shaped or U-shaped in cross sectional shape outside pipe; Described mounting sleeve (4) and capacitor casing (1) are integral pieces; Connector assembly (7) comprises the Gask-O-Seal (71) being arranged in insulator roof groove (35), the bolt (72) with nut (721) and stud (722) and roll extrusion sleeve pipe; Described roll extrusion sleeve pipe comprises the lid nip (731) bolt upper cap nut (721) is pressed on Gask-O-Seal (71), for the cannula portion (732) be set on ring-type roll extrusion snapping boss (34) periphery wall and the snapping ring (733) snapped onto by roll extrusion mode on ring-type roll extrusion snapping boss (34) diapire; Gask-O-Seal (71) is crimped on the diapire of insulator roof groove (35), and the stud (722) of bolt protrudes upward the lid nip (731) of roll extrusion sleeve pipe; Bolt is also provided with the central bore running through self from top to bottom, and the through hole (32) of the central bore of this bolt, the centre bore of Gask-O-Seal, ceramic insulator is interconnected.
CN201210090572.4A 2012-03-31 2012-03-31 A kind of power capacitor Active CN102637526B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201410591924.3A CN104332308B (en) 2012-03-31 2012-03-31 The less power capacitor of operation
CN201210090572.4A CN102637526B (en) 2012-03-31 2012-03-31 A kind of power capacitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210090572.4A CN102637526B (en) 2012-03-31 2012-03-31 A kind of power capacitor

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201410591924.3A Division CN104332308B (en) 2012-03-31 2012-03-31 The less power capacitor of operation

Publications (2)

Publication Number Publication Date
CN102637526A CN102637526A (en) 2012-08-15
CN102637526B true CN102637526B (en) 2015-08-19

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109285644A (en) * 2018-10-08 2019-01-29 醴陵市恒基电瓷电器有限公司 Insulator and electric appliance component

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0514286A1 (en) * 1991-04-11 1992-11-19 Schneider Electric Sa Insulated feed-through for a middle voltage power capacitor
CN1360724A (en) * 1999-05-13 2002-07-24 约翰·爱德华·费里曼·贝利 Electric insulator assemblies
CN101719402A (en) * 2009-12-29 2010-06-02 王海龙 Ceramic insulator and high voltage power capacitor insulator device
CN201655442U (en) * 2010-02-11 2010-11-24 吴永德 Rolling-assembled insulated sleeve
CN101916656A (en) * 2010-07-15 2010-12-15 王海龙 Power capacitor
CN202633048U (en) * 2012-03-31 2012-12-26 苏州贝腾特电子科技有限公司 Power capacitor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0514286A1 (en) * 1991-04-11 1992-11-19 Schneider Electric Sa Insulated feed-through for a middle voltage power capacitor
CN1360724A (en) * 1999-05-13 2002-07-24 约翰·爱德华·费里曼·贝利 Electric insulator assemblies
CN101719402A (en) * 2009-12-29 2010-06-02 王海龙 Ceramic insulator and high voltage power capacitor insulator device
CN201655442U (en) * 2010-02-11 2010-11-24 吴永德 Rolling-assembled insulated sleeve
CN101916656A (en) * 2010-07-15 2010-12-15 王海龙 Power capacitor
CN202633048U (en) * 2012-03-31 2012-12-26 苏州贝腾特电子科技有限公司 Power capacitor

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