CN102637523B - Ceramic terminal for power capacitor - Google Patents
Ceramic terminal for power capacitor Download PDFInfo
- Publication number
- CN102637523B CN102637523B CN201210090575.8A CN201210090575A CN102637523B CN 102637523 B CN102637523 B CN 102637523B CN 201210090575 A CN201210090575 A CN 201210090575A CN 102637523 B CN102637523 B CN 102637523B
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- Prior art keywords
- roll extrusion
- insulator
- ceramic
- bolt
- ceramic insulator
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- 239000000919 ceramic Substances 0.000 title claims abstract description 53
- 239000003990 capacitor Substances 0.000 title claims abstract description 13
- 239000012212 insulator Substances 0.000 claims abstract description 52
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 24
- 238000005096 rolling process Methods 0.000 claims abstract description 19
- 238000003466 welding Methods 0.000 claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims description 48
- 238000009434 installation Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract 3
- 238000003825 pressing Methods 0.000 abstract 1
- 229910001316 Ag alloy Inorganic materials 0.000 description 3
- 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
- 238000013461 design 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
Abstract
The invention discloses a ceramic terminal for a power capacitor, comprising a ceramic insulator and a mounting assembly arranged on the lower part of the ceramic insulator. The ceramic insulator is provided with through holes along the own central axis; the outer wall of the middle of the insulator is provided with multiple umbrella skirts; the outer wall of the lower part of the insulator is provided with an annular positioning boss; the mounting assembly comprises a metal rolling member, an annular sealing ring and a base tube; the annular sealing ring is sleeved on the outer wall of the lower part of the insulator and is arranged in a way of adjoining to the bottom wall of the annular positioning boss; the metal rolling member comprises a pressing part for compressing the annular sealing ring on the bottom wall of the annular positioning boss, a sheathing part sheathed on the annular positioning boss and a rolling ring fastened on the top wall of the annular positioning boss in a rolling manner; and the base tube comprises a welding part connected with the rolling member in a welding or cementing manner, and a sleeving part integrally formed with the welding part. The ceramic terminal effectively simplifies the structure and assembly operation, and reduces the production cost as well.
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, the structure of this kind of ceramic insulator device metal installation base used is comparatively complicated, and cost is higher and manufacturing process is comparatively loaded down with trivial details.
Summary of the invention
The object of this invention is to provide the ceramic wiring terminal for power capacitor that a kind of structure and assembly thereof are comparatively simplified.
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 the outer wall of described insulator bottom is provided with a radially annular locating lug boss for projection; Described installation component comprises metal rolling part, O-ring seal and base tube; ; 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 rolling part comprises for O-ring seal being pressed on to pressure contact portion on annular locating lug boss diapire, 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; Described base tube comprise for roll extrusion part welding or glued joint the weld part that is connected and with the one-body molded cannula portion of making of weld part; Described ceramic insulator external wall of upper portion is provided with annular roll extrusion snapping portion, and described ceramic insulator top is provided with groove, and the through hole of described ceramic insulator is positioned at this groove center; Described connector assembly comprises gasket seal, bolt and roll extrusion connector; Described gasket seal center is provided with open-work; Described bolt comprises the location division that is provided with the double-screw bolt in external screw thread district and is positioned at double-screw bolt one side; Location division and the gasket seal of described bolt are arranged in groove, and described gasket seal is between Bolt to position portion and groove diapire; Described roll extrusion connector comprises for being crimped on lid splenium in Bolt to position portion, for being set in socket part in ceramic insulator external wall of upper portion and for be crimped on the roll extrusion portion in annular roll extrusion snapping portion in ceramic insulator external wall of upper portion by roll extrusion mode, described lid splenium center is provided with open-work, and the double-screw bolt of described bolt is through this open-work and exceed roll extrusion connector.
In such scheme, described roll extrusion ring is to form along top, roll extrusion part socket part described in inward direction roll extrusion.
In such scheme, the weld part of described base tube is welded and fixed and is connected with the pressure contact portion of metal rolling part.
In such scheme, the roof of described base tube weld part is that the pressure contact portion of a plane and metal rolling part is equipped with welding plane.
The present invention has positive effect:
(1) in the present invention, described base tube comprise for roll extrusion part welding or glued joint the weld part that is connected and with the one-body molded cannula portion of making of weld part.This kind of structure is due to by adopting roll extrusion mode rational in infrastructure that roll extrusion part is fixed on the outer wall of ceramic insulator bottom, and by welding manner, roll extrusion part and cannula portion are welded and fixed, as whole metal installation base used traditionally, thereby effectively simplify the structure and assembly operation, and can reduce manufacturing cost.
Brief description of the drawings
Fig. 1 is a kind of cutaway view of the first structure of the present invention;
Fig. 2 is a kind of cutaway view of ceramic insulator in binding post shown in Fig. 1;
Fig. 3 is a kind of cutaway view of metal rolling part in binding post shown in Fig. 1;
Fig. 4 is a kind of cutaway view of base tube in binding post shown in Fig. 1.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 4 has shown the first embodiment of the present invention, and wherein Fig. 1 is a kind of cutaway view of the first structure of the present invention; Fig. 2 is a kind of cutaway view of ceramic insulator in binding post shown in Fig. 1; Fig. 3 is a kind of cutaway view of metal rolling part in binding post shown in Fig. 1; Fig. 4 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. 4, 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, 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 rolling part 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 rolling part 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; Described base tube 3 comprise for weld with roll extrusion part 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 rolling part 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 rolling part 21.
Described roll extrusion ring 213 is to form along 212 tops, 21 socket part of roll extrusion part 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 (4)
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, the middle part outer wall of described insulator (1) is provided with multiple full skirts (12), and the outer wall of described insulator (1) bottom is provided with a radially annular locating lug boss (13) for projection; Described installation component (2) comprises metal rolling part (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 rolling part (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; It is characterized in that: described installation component (2) also comprises base tube (3); Described base tube (3) comprise for weld with roll extrusion part (21) or glued joint the weld part (31) that is connected and with the one-body molded cannula portion of making of weld part (31) (32); 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) center; Described connector assembly (4) comprises gasket seal (41), bolt (42) and roll extrusion connector (43); Described gasket seal (41) center is provided with open-work (411); Described bolt (42) 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 (421) one sides; Location division (422) and the gasket seal (41) of described bolt (42) are arranged in groove (16), and described gasket seal (41) is positioned between bolt (42) location division (422) and groove (16) diapire; Described roll extrusion connector (43) comprises for being crimped on lid splenium (431) on bolt (42) location division (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) center is 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).
2. the ceramic wiring terminal for power capacitor according to claim 1, is characterized in that: described roll extrusion ring (213) is to form along top, roll extrusion part (21) socket part (212) described in inward direction roll extrusion.
3. the ceramic wiring terminal for power capacitor according to claim 1, is characterized in that: the weld part (31) of described base tube (3) is welded and fixed and is connected with the pressure contact portion (211) of metal rolling part (21).
4. the ceramic wiring terminal for power capacitor according to claim 3, is characterized in that: the roof of described base tube (3) weld part (31) is that the pressure contact portion (211) of a plane and metal rolling part (21) is equipped with welding plane (100).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410265294.0A CN104051152B (en) | 2012-03-31 | 2012-03-31 | Rolling ceramic binding post for power capacitor |
| CN201210090575.8A CN102637523B (en) | 2012-03-31 | 2012-03-31 | Ceramic terminal for power capacitor |
| CN201410264649.4A CN104051087B (en) | 2012-03-31 | 2012-03-31 | Welding type ceramic wiring terminal for power capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210090575.8A CN102637523B (en) | 2012-03-31 | 2012-03-31 | Ceramic terminal for power capacitor |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410264649.4A Division CN104051087B (en) | 2012-03-31 | 2012-03-31 | Welding type ceramic wiring terminal for power capacitor |
| CN201410265294.0A Division CN104051152B (en) | 2012-03-31 | 2012-03-31 | Rolling ceramic binding post for power capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102637523A CN102637523A (en) | 2012-08-15 |
| CN102637523B true CN102637523B (en) | 2014-08-27 |
Family
ID=46621884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210090575.8A Active CN102637523B (en) | 2012-03-31 | 2012-03-31 | Ceramic terminal for power capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102637523B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040108A (en) * | 1988-03-23 | 1990-02-28 | 日本碍子株式会社 | Lightening arrestor insulator and manufacture method thereof |
| CN101546636A (en) * | 2009-04-14 | 2009-09-30 | 王海龙 | A ceramic insulator device for high voltage capacitor |
| 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 |
| 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 |
-
2012
- 2012-03-31 CN CN201210090575.8A patent/CN102637523B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040108A (en) * | 1988-03-23 | 1990-02-28 | 日本碍子株式会社 | Lightening arrestor insulator and manufacture method thereof |
| CN101546636A (en) * | 2009-04-14 | 2009-09-30 | 王海龙 | A ceramic insulator device for high voltage capacitor |
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102637523A (en) | 2012-08-15 |
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| 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: QUZHOU POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG Effective date: 20140715 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: SUZHOU BAITENGTE TECHNOLOGY CO., LTD. Effective date: 20140715 |
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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: Wang Jun Inventor after: Mao Junqiang Inventor after: Zhou Jianqing Inventor after: Wu Yunfei Inventor after: Zhao Huisheng Inventor after: Jiang Yongbo Inventor after: Jiang Tao Inventor after: Wu Tao 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: 100031 XICHENG, BEIJING Free format text: CORRECT: INVENTOR; FROM: HU XIAOQING SHEN JUN TO: WANG JUN MAO JUNQIANG ZHOU JIANQING WU YUNFEI ZHAO HUISHENG JIANG YONGBO JIANG TAO WU TAO |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20140715 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: Quzhou electric company of State Grid Zhejiang Electric Power Company Applicant after: STATE GRID ZHEJIANG JIANGSHAN CITY POWER SUPPLY COMPANY Applicant after: Jiangshan Electric Power Development 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 | ||
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