CN102637492B - Ceramic binding post for power capacitor - Google Patents
Ceramic binding post for power capacitor Download PDFInfo
- Publication number
- CN102637492B CN102637492B CN201210095873.6A CN201210095873A CN102637492B CN 102637492 B CN102637492 B CN 102637492B CN 201210095873 A CN201210095873 A CN 201210095873A CN 102637492 B CN102637492 B CN 102637492B
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- insulator
- roll extrusion
- ceramic
- metal base
- bolt
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- 239000000919 ceramic Substances 0.000 title claims abstract description 46
- 239000003990 capacitor Substances 0.000 title claims abstract description 12
- 239000012212 insulator Substances 0.000 claims abstract description 54
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 31
- 238000001125 extrusion Methods 0.000 claims description 28
- 238000009434 installation Methods 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 7
- 229910001316 Ag alloy Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Gasket Seals (AREA)
- Insulators (AREA)
Abstract
The invention discloses a ceramic binding post for a power capacitor, which comprises a ceramic insulator and a mounting component. The ceramic insulator is provided with a through hole along the central axis thereof, a plurality of skirts are arranged on the outer wall of the middle of the insulator, and an annular positioning boss projected radially is arranged on the outer wall of the lower portion of the insulator. The mounting component comprises a metal base and an annular sealing ring, the annular sealing ring is sleeved on the outer wall of the lower portion of the insulator and arranged adjacently to the bottom wall of the annular positioning boss, the metal base comprises a pressing portion used for pressing the annular sealing ring on the bottom wall of the annular positioning boss, a plurality of positioning slots extending along the axis are arranged on the outer wall of the lower portion of the insulator, and each positioning slot is located below the annular positioning boss. The pressing portion of the metal base is provided with a plurality of positioning projections matched with the positioning slots, and each positioning projection is arranged in the corresponding positioning slot. The ceramic binding post is reasonable and compact in structure, and capable of preventing the metal base from sliding along the insulator circumferentially so as to guarantee sealing performance of the metal base.
Description
Technical field
The present invention relates to ceramic-type binding post structure design field, relate in particular to a kind of ceramic wiring terminal for power capacitor.
Background technology
The ceramic insulator of high-voltage capacitor be in the market with silver installation portion together with ceramic welding, make it to be firmly fixed on pottery go up, this product cost is higher, complex steps, long processing time.
Traditional ceramic-type insulator, metallic connector assembly and installation component need to be welded and fixed with ceramic insulator, due to ceramic particularity, need to adopt the extraordinary scolder taking silver alloy as main component, this kind of scolder price is very expensive, simultaneously in order to ensure the fastness of the two combination, also needs quite thick layer, materials are more, cause the cost of this kind of insulator high; In addition, for this silver alloy being mixed with to the viscous state of easily smearing, need to adopt the heavier acidic chemical medicine of pollution level, be unfavorable for protection of the environment.
Patent application 200910131660.2 discloses a kind of ceramic insulator device for high-voltage capacitor.The disclosed ceramic insulator device of this patent, by adopting new construction, replaces traditional silver alloy solder by common cheap tin alloy solder, thereby has reduced manufacturing cost.
Applicant finds in follow-up research and development trial-manufacturing process, adopt two semicircular metal baffle rings and metal installation base to be welded and fixed, thereby ensure that metal installation base fixedly secures in ceramic outer wall, this structure is practical and can meets relevant national standard, but the operating process that its processing is installed 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, when larger, easily circumferentially there is slippage along insulator stressed in this kind of ceramic insulator device metal installation base used, affects sealing property.
Summary of the invention
The object of this invention is to provide one and effectively prevent that metal base from along insulator, sliding phenomenon circumferentially occurring, thereby ensure the ceramic wiring terminal for power capacitor of its sealing property.
The technical scheme that realizes the object of the invention is: a kind of ceramic wiring terminal for power capacitor, comprises ceramic insulator and the installation component that is arranged on described ceramic insulator bottom; Described ceramic insulator is provided with through hole along self central axis, and the middle part outer wall of described insulator is provided with multiple full skirts, and described insulator bottom outer wall is provided with a radially annular locating lug boss for projection; Described installation component comprises metal base and O-ring seal; Described O-ring seal is set on the outer wall of insulator bottom, and arranges in abutting connection with annular locating lug boss diapire; Described metal base comprises for O-ring seal being pressed on to the pressure contact portion on annular locating lug boss diapire; Its design feature is: on the outer wall of described insulator bottom, be also provided with many location notchs that extend along axis direction, each location notch is positioned at described annular locating lug boss below; The pressure contact portion of described metal base is provided with the positioning boss that multiple and described location notch matches, and each positioning boss is arranged in a corresponding location notch.
In such scheme, described metal base also comprises for being set in the socket part in annular locating lug boss and withholding the roll extrusion ring on annular locating lug boss roof by roll extrusion mode.
In such scheme, described metal base pressure contact portion is provided with welding plane.
The present invention has positive effect:
(1) structure of the present invention is comparatively rationally compact, can effectively prevent that metal base from along insulator, sliding phenomenon circumferentially occurring, thereby ensure its sealing property.
Brief description of the drawings
Fig. 1 is a kind of perspective view of the first structure of the present invention;
Fig. 2 is a kind of decomposing schematic representation of binding post shown in Fig. 1;
Fig. 3 is a kind of cutaway view of binding post shown in Fig. 1;
Fig. 4 is a kind of cutaway view of ceramic insulator in binding post shown in Fig. 1;
Fig. 5 is a kind of cutaway view of metal base in binding post shown in Fig. 1;
Fig. 6 is a kind of cutaway view of base tube in binding post shown in Fig. 1.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 6 has shown the first embodiment of the present invention, and wherein Fig. 1 is a kind of perspective view of the first structure of the present invention; Fig. 2 is a kind of decomposing schematic representation of binding post shown in Fig. 1; Fig. 3 is a kind of cutaway view of binding post shown in Fig. 1; Fig. 4 is a kind of cutaway view of ceramic insulator in binding post shown in Fig. 1; Fig. 5 is a kind of cutaway view of metal base in binding post shown in Fig. 1; Fig. 6 is a kind of cutaway view of base tube in binding post shown in Fig. 1.
The present embodiment is a kind of ceramic wiring terminal for power capacitor, sees shown in Fig. 1 to Fig. 6, comprises ceramic insulator 1, is arranged on the connector assembly 4 on described ceramic insulator 1 top and is arranged on the installation component 2 of described ceramic insulator 1 bottom; Described ceramic insulator 1 is provided with through hole 11 along self central axis, the middle part outer wall of described insulator 1 is provided with multiple full skirts 12, described insulator 1 bottom outer wall is provided with a radially annular locating lug boss 13 for projection, on described insulator 1 bottom outer wall, be also provided with many location notchs 17 that extend along axis direction, each location notch 17 is positioned at described annular locating lug boss 13 belows;
Described installation component 2 comprises metal base 21, O-ring seal 22 and base tube 3; Described O-ring seal 22 is set on insulator 1 bottom outer wall, and arranges in abutting connection with annular locating lug boss diapire 131; Described metal base 21 comprises for O-ring seal 22 being pressed on to pressure contact portion 211 on annular locating lug boss diapire 131, for being set in the socket part 212 in annular locating lug boss 13 and withholding the roll extrusion ring 213 on annular locating lug boss roof 132 by roll extrusion mode; The pressure contact portion 211 of described metal base 21 is provided with the positioning boss 215 that multiple and described location notch 17 matches, and each positioning boss 215 is arranged in a corresponding location notch 17.
Described base tube 3 comprise for weld with pedestal 21 or glued joint the weld part 31 that is connected and with the one-body molded cannula portion of making 32 of weld part 31.
The roof of described base tube 3 weld parts 31 is that the pressure contact portion 211 of a plane and metal base 21 is equipped with welding plane 100, and the weld part 31 of described base tube 3 is welded and fixed and is connected with the pressure contact portion 211 of metal base 21.
Described roll extrusion ring 213 is to form along 212 tops, 21 socket part of pedestal described in inward direction roll extrusion.
Described ceramic insulator 1 external wall of upper portion is provided with annular roll extrusion snapping portion 15, and described ceramic insulator 1 top is provided with groove 16, and the through hole 11 of described ceramic insulator 1 is positioned at this groove 16 centers; Described connector assembly 4 comprises gasket seal 41, bolt 42 and roll extrusion connector 43; Described gasket seal 41 centers are provided with open-work 411; Described bolt 42 comprises the location division 422 that is provided with the double-screw bolt 421 in external screw thread district and is positioned at double-screw bolt 421 1 sides; Location division 422 and the gasket seal 41 of described bolt 42 are arranged in groove 16, and described gasket seal 41 is between bolt 42 location divisions 422 and groove 16 diapires; Described roll extrusion connector 43 comprises for being crimped on lid splenium 431 on bolt 42 location divisions 422, for being set in socket part 432 in ceramic insulator 1 external wall of upper portion and for be crimped on the roll extrusion portion 433 in annular roll extrusion snapping portion 15 in ceramic insulator 1 external wall of upper portion by roll extrusion mode, described lid splenium 431 centers are provided with open-work 434, and the double-screw bolt 421 of described bolt 42 is through this open-work 434 and exceed roll extrusion connector 43.
Described bolt 42 is also provided with the wiring hole 423 that runs through double-screw bolt 421 and location division 422 along central axial direction; The through hole 11 of the open-work 411 of described wiring hole 423, gasket seal 41, the open-work 434 that roll extrusion connector 43 covers splenium 431, ceramic insulator 1 arranges with one heart.
The shape of described groove 16 and bolt 42 location divisions 422 is the regular polygons that match, and the present embodiment is selected regular hexagon.
The rolled distortion in bottom of the roll extrusion portion 433 of described roll extrusion connector 43 is to roll extrusion snapping ring 435 of projecting inward formation.
The present embodiment is due to by adopting roll extrusion mode rational in infrastructure that metal installation base is fixed on the outer wall of ceramic insulator bottom, thereby effectively enhances productivity and the reliability of product quality.
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 without also giving exhaustive to all execution modes.And these belong to apparent variation that spirit of the present invention extended out or variation still among protection scope of the present invention.
Claims (3)
1. for a ceramic wiring terminal for power capacitor, comprise ceramic insulator (1) and be arranged on the installation component (2) of described ceramic insulator (1) bottom; Described ceramic insulator (1) is provided with through hole (11) along self central axis, and the middle part outer wall of described insulator (1) is provided with multiple full skirts (12), and described insulator (1) bottom outer wall is provided with a radially annular locating lug boss (13) for projection; Described installation component (2) comprises metal base (21) and O-ring seal (22); Described O-ring seal (22) is set on the outer wall of insulator (1) bottom, and arranges in abutting connection with annular locating lug boss diapire (131); Described metal base (21) comprises for O-ring seal (22) being pressed on to the pressure contact portion (211) on annular locating lug boss diapire (131); It is characterized in that: on the outer wall of described insulator (1) bottom, be also provided with many location notchs (17) that extend along axis direction, each location notch (17) is positioned at described annular locating lug boss (13) below; The pressure contact portion (211) of described metal base (21) is provided with the positioning boss (215) that multiple and described location notch (17) matches, and each positioning boss (215) is arranged in a corresponding location notch (17); Described ceramic insulator external wall of upper portion is provided with annular roll extrusion snapping portion (15), and described ceramic insulator top is provided with groove (16), and the through hole (11) of described ceramic insulator is positioned at this groove (16) center; Connector assembly (4) comprises gasket seal (41), bolt (42) and roll extrusion connector (43); Described gasket seal center is provided with open-work (411); Described bolt comprises the double-screw bolt (421) that is provided with external screw thread district and the location division (422) that is positioned at double-screw bolt one side; Location division (422) and the gasket seal (41) of described bolt (42) are arranged in groove (16), and described gasket seal is positioned between Bolt to position portion (422) and groove (16) diapire; Described roll extrusion connector (43) comprises for being crimped on lid splenium (431) in Bolt to position portion, for being set in socket part (432) in ceramic insulator external wall of upper portion and for be crimped on the roll extrusion portion (433) in annular roll extrusion snapping portion (15) in ceramic insulator external wall of upper portion by roll extrusion mode, described lid splenium center is provided with open-work (434), and the double-screw bolt of described bolt is through this open-work (434) and exceed roll extrusion connector (43); Described bolt (42) is also provided with the wiring hole (423) that runs through double-screw bolt (421) and location division (422) along central axial direction; The open-work (411) of described wiring hole (423), gasket seal, the open-work (434) of roll extrusion connector lid splenium, the through hole (11) of ceramic insulator (1) arrange with one heart.
2. the ceramic wiring terminal for power capacitor according to claim 1, is characterized in that: described metal base (21) also comprises for being set in the socket part (212) in annular locating lug boss (13) and withholding the roll extrusion ring (213) on annular locating lug boss roof (132) by roll extrusion mode.
3. the ceramic wiring terminal for power capacitor according to claim 2, is characterized in that: described metal base (21) pressure contact portion (211) is provided with welding plane (100).
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410172446.2A CN103956230B (en) | 2012-03-31 | 2012-03-31 | Rolling socket joint type binding post for power capacitor |
| CN201210095873.6A CN102637492B (en) | 2012-03-31 | 2012-03-31 | Ceramic binding post for power capacitor |
| CN201410172683.9A CN103956234B (en) | 2012-03-31 | 2012-03-31 | Rolling-type for power capacitor strengthens closed type binding post |
| CN201410172608.2A CN103956231B (en) | 2012-03-31 | 2012-03-31 | Enhancing closed type binding post for power capacitor |
| CN201410172379.4A CN103956233B (en) | 2012-03-31 | 2012-03-31 | For the rolling-type binding post of power capacitor |
| CN201410172260.7A CN103956229B (en) | 2012-03-31 | 2012-03-31 | Rolling socket joint type for power capacitor strengthens closed type binding post |
| CN201410175188.3A CN103985487B (en) | 2012-03-31 | 2012-03-31 | Ceramic wiring terminal for power capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210095873.6A CN102637492B (en) | 2012-03-31 | 2012-03-31 | Ceramic binding post for power capacitor |
Related Child Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410172608.2A Division CN103956231B (en) | 2012-03-31 | 2012-03-31 | Enhancing closed type binding post for power capacitor |
| CN201410172446.2A Division CN103956230B (en) | 2012-03-31 | 2012-03-31 | Rolling socket joint type binding post for power capacitor |
| CN201410172379.4A Division CN103956233B (en) | 2012-03-31 | 2012-03-31 | For the rolling-type binding post of power capacitor |
| CN201410175188.3A Division CN103985487B (en) | 2012-03-31 | 2012-03-31 | Ceramic wiring terminal for power capacitor |
| CN201410172683.9A Division CN103956234B (en) | 2012-03-31 | 2012-03-31 | Rolling-type for power capacitor strengthens closed type binding post |
| CN201410172260.7A Division CN103956229B (en) | 2012-03-31 | 2012-03-31 | Rolling socket joint type for power capacitor strengthens closed type binding post |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102637492A CN102637492A (en) | 2012-08-15 |
| CN102637492B true CN102637492B (en) | 2014-06-11 |
Family
ID=46621855
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210095873.6A Active CN102637492B (en) | 2012-03-31 | 2012-03-31 | Ceramic binding post for power capacitor |
| CN201410172379.4A Expired - Fee Related CN103956233B (en) | 2012-03-31 | 2012-03-31 | For the rolling-type binding post of power capacitor |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410172379.4A Expired - Fee Related CN103956233B (en) | 2012-03-31 | 2012-03-31 | For the rolling-type binding post of power capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN102637492B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2845477A (en) * | 1952-12-20 | 1958-07-29 | Westinghouse Electric Corp | Mounting means for a bushing |
| GB9911024D0 (en) * | 1999-05-13 | 1999-07-14 | Bailey John E F | Electrical insulator assemblies |
| JP4109448B2 (en) * | 2001-12-17 | 2008-07-02 | ニチコン株式会社 | Mounting structure for sealed insulator terminals of electrical equipment |
| CN201478012U (en) * | 2009-04-14 | 2010-05-19 | 王海龙 | Ceramic insulator device for a high voltage capacitor |
| CN101916656A (en) * | 2010-07-15 | 2010-12-15 | 王海龙 | Power capacitor |
| CN202102821U (en) * | 2011-06-28 | 2012-01-04 | 西安德邦电工设备有限责任公司 | Electric appliance leading wire insulation sleeve |
| CN202533046U (en) * | 2012-04-01 | 2012-11-14 | 长安大学 | Laser pavement detection apparatus for road pavement construction depth |
-
2012
- 2012-03-31 CN CN201210095873.6A patent/CN102637492B/en active Active
- 2012-03-31 CN CN201410172379.4A patent/CN103956233B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103956233B (en) | 2016-04-13 |
| CN102637492A (en) | 2012-08-15 |
| CN103956233A (en) | 2014-07-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU ELECTRIC POWER COMPANY JIANHU POWER SUPPLY Effective date: 20140505 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: SUZHOU BAITENGTE TECHNOLOGY CO., LTD. Effective date: 20140505 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cao Yonglong Inventor after: Liu Guangyong Inventor after: Kuang Xiaobing Inventor after: Zhu Bing Inventor before: Hu Xiaoqing Inventor before: Shen Jun |
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| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215121 SUZHOU, JIANGSU PROVINCE TO: 100061 XICHENG, BEIJING Free format text: CORRECT: INVENTOR; FROM: HU XIAOQING SHEN JUN TO: CAO YONGLONG LIU GUANGYONG KUANG XIAOBING ZHU BING |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20140505 Address after: 100061 No. 86 West Chang'an Avenue, Beijing, Xicheng District Applicant after: State Grid Corporation of China Applicant after: Jiangsu Electric Power Company Applicant after: Jianhu County Power Supply Company of Jiangsu Electric Power Co. Applicant after: JIANHU TIANCHEN ELECTRICAL INDUSTRIAL CO., LTD. Address before: 215121 Suzhou Industrial Park, Jiangsu, South Road, a large harvest Plaza, room 1, room 809 Applicant before: Suzhou Beitengte Electronic Technology Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |