CN201918259U - Vacuum capacitor - Google Patents
Vacuum capacitor Download PDFInfo
- Publication number
- CN201918259U CN201918259U CN2010202017184U CN201020201718U CN201918259U CN 201918259 U CN201918259 U CN 201918259U CN 2010202017184 U CN2010202017184 U CN 2010202017184U CN 201020201718 U CN201020201718 U CN 201020201718U CN 201918259 U CN201918259 U CN 201918259U
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- China
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- end cover
- bottom end
- binding post
- vacuum capacitor
- ceramic insulating
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Abstract
The utility model discloses a vacuum capacitor. The vacuum capacitor comprises ceramic insulating pipes, an upper end cover, a lower end cover, upper electrode rings, an upper wiring terminal, lower electrode rings and a lower wiring terminal; each upper electrode ring and each lower electrode ring are arranged in a concentric way; openings at the upper ends of the ceramic insulating pipes are covered by the upper end cover, and the upper wiring terminal is arranged on the upper surface of the upper end cover; and openings at the lower ends of the ceramic insulating pipes are covered by the lower end cover, the lower wiring terminal is arranged on the lower surface of the lower end cover, and the lower wiring terminal is welded and fixed on the outside surface of the lower end cover. The vacuum capacitor has the advantages that the structure is simplified, materials are saved, the technology is simplified, the rate of finished products is high, and the production efficiency is high.
Description
Technical field
The utility model belongs to the capacitor technology field, is specifically related to a kind of vacuum capacitor.
Background technology
Vacuum capacitor is exactly with the capacitor of vacuum as medium.The electrode group of this capacitor is to adopt oxygen-free high conductivity type copper strip to be sealed in the vacuum tank by a whole set of high-precision mold a lot of one group of concentric cylindrical electrode that forms of extending; Therefore it is stable and reliable for performance, is not easy to produce phenomenons such as arcing, corona, has withstand voltage height, volume is little, loss is low, characteristics such as stable and reliable for performance.
Fig. 1 is a kind of structural representation of existing vacuum capacitor, and Fig. 2 is the schematic diagram of existing vacuum capacitor manufacture method shown in Figure 1; This kind vacuum capacitor comprises ceramic insulating tube (1), be arranged on the upper end cover (2) and the bottom end cover (3) at mouth of pipe place, described insulated tube (1) both sides, be arranged on a plurality of upper electrode rings (21) on upper end cover (2) lower surface, be arranged on upper end cover (2) upper surface last binding post (22), be arranged on a plurality of bottom electrode rings (31) on bottom end cover (3) upper surface, be arranged on the following binding post (32) on bottom end cover (3) lower surface; Described each upper electrode rings (21) and each bottom electrode ring (31) are provided with one heart; Described upper end cover (2) seals up the opening of described ceramic insulating tube (1) upper end; Described bottom end cover (3) centre is provided with the open-work (33) that is communicated with insulated tube (1) cavity, and the described upper end of binding post (32) down is weldingly fixed in the open-work (33); The described basic configuration of binding post (32) down is a tubulose, and its tube chamber (34) upper end open is communicated with insulated tube (1) vestibule, the sealing of its tube chamber (34) lower ending opening.
The manufacture method of this kind vacuum capacitor may further comprise the steps:
1. each upper electrode rings (21) is weldingly fixed on the lower surface of upper end cover (2), last binding post (22) is weldingly fixed on the upper surface of upper end cover (2), upper end cover (2) is weldingly fixed on the upper port of ceramic insulating tube (1); Bottom electrode ring (31) is weldingly fixed on the upper surface of bottom end cover (3), bottom end cover (3) is weldingly fixed on the lower surface of ceramic insulating tube (1);
2. the metal tube that two ends all are provided with opening is weldingly fixed in the open-work (33) of bottom end cover (3), and the upper end open of metal tube tube chamber (34) is communicated with in ceramic insulating tube (1) cavity, thereby obtains the semi-finished product vacuum capacitor;
3. the exhaust tube of vaccum-pumping equipment (5) is fixed on the described metal tube, the semi-finished product vacuum capacitor is vacuumized processing, vacuumize effect in order to improve, need be on the vacuum capacitor outer cover heating mantles (not drawing on Fig. 2), heating and temperature control is about 500 degrees centigrade, after semi-finished product vacuum capacitor cavity gas is evacuated to predetermined vacuum level, press the middle part of described metal tube with high temperature pincers pincers, disconnected metal tube of pincers and the metal tube tube wall sealing that the disconnected metal tube port of locating of pincers is melted, and the metal tube that this lower port is sealed is as following binding post (32), thereby makes the finished product vacuum capacitor.
This kind traditional vacuum capacitor is because the particularity of its structure, thus need this operation numerous and diverse, cause the preparation method of waste product easily; Owing to have the disconnected operation that reaches the sealing by fusing metal tube of pincers,,, this kind traditional vacuum capacitor arrangement and manufacture method thereof needing improvements badly in addition so remaining so can only therefore also have the lower drawback of production efficiency to one by one vacuum capacitor being vacuumized.
The utility model content
The purpose of this utility model is to overcome the said structure shortcoming, and a kind of designs simplification, lower-cost vacuum capacitor are provided.
The technical scheme that realizes the utility model purpose is: a kind of vacuum capacitor, comprise ceramic insulating tube, be arranged on mouth of pipe place, described insulated tube both sides upper end cover and bottom end cover, be arranged on a plurality of upper electrode rings on the upper end cover inner side edge wall, be arranged on last binding post on the upper end cover outer side edges wall, be arranged on a plurality of bottom electrode rings on the bottom end cover inner side edge wall, be arranged on the following binding post on the bottom end cover outer side edges wall; Described each upper electrode rings and each bottom electrode ring are provided with one heart; Described upper end cover seals up the opening of described ceramic insulating tube upper end, and the described binding post of going up is arranged on the upper surface of described upper end cover; Described bottom end cover seals up the opening of described ceramic insulating tube lower end, and described binding post down is arranged on the lower surface of described bottom end cover.
Described ceramic insulating tube is fixedlyed connected by welding manner with described upper end cover and bottom end cover.
The described binding post of going up is weldingly fixed on the upper surface of upper end cover, and described binding post down is weldingly fixed on the outer surface of bottom end cover.
The utlity model has positive effect:
(1) vacuum capacitor in the utility model is compared with existing vacuum capacitor, owing to directly following binding post is weldingly fixed on the lower surface of bottom end cover, make and need not to be provided with open-work on the bottom end cover, also saved the encapsulation process between following binding post and the open-work, so greatly simplified overall structure, saved material, thereby effectively reduced manufacturing cost and improved reliability.
(2) the utility model product is when processing and manufacturing, can be in same vacuum furnace, place the good semi-finished product vacuum capacitor of a plurality of assembly units, vacuumize simultaneously and follow-up heating soldering, thereby production efficiency can be reached more than the several times of conventional method, simultaneously owing to need not the disconnected operation that reaches the sealing by fusing metal tube of traditional pincers, so can also effectively improve rate of finished products.
Description of drawings
Fig. 1 is a kind of structural representation of existing vacuum capacitor;
Fig. 2 is the schematic diagram of the manufacture method of existing vacuum capacitor shown in Figure 1;
Fig. 3 is a kind of structural representation of the utility model vacuum capacitor;
Fig. 4 is the schematic diagram of the manufacture method of vacuum capacitor shown in Figure 3.
Be labeled as shown in the accompanying drawing: ceramic insulating tube 1, upper end cover 2, upper electrode rings 21, last binding post 22, bottom end cover 3, bottom electrode ring 31, following binding post 32, open-work 33, tube chamber 34, vacuum furnace 4, vaccum-pumping equipment 5.
Embodiment
(embodiment 1, vacuum capacitor)
Fig. 3 is a kind of structural representation of the utility model vacuum capacitor, has shown a kind of embodiment of the utility model product.
Present embodiment is a kind of electric power vacuum capacitor, see shown in Figure 1ly, comprise ceramic insulating tube 1, be arranged on mouth of pipe place, described insulated tube both sides upper end cover 2 and bottom end cover 3, be arranged on a plurality of upper electrode rings 21 on the upper end cover 2 inner side edge walls, be arranged on last binding post 22 on the upper end cover 2 outer side edges walls, be arranged on a plurality of bottom electrode rings 31 on the bottom end cover 3 inner side edge walls, be arranged on the following binding post 32 on the bottom end cover 3 outer side edges walls; Described each upper electrode rings 21 and each bottom electrode ring 31 are provided with one heart; Described upper end cover 2 seals up the opening of described ceramic insulating tube 1 upper end, and the described binding post 22 of going up is arranged on the upper surface of described upper end cover 2; Described bottom end cover 3 seals up the opening of described ceramic insulating tube 1 lower end, and described binding post 32 down is arranged on the lower surface of described bottom end cover 3.
Described ceramic insulating tube 1 and described upper end cover 2 and bottom end cover 3 are fixedlyed connected by brazing mode.
Described upward binding post 22 solderings are fixed on the upper surface of upper end cover 2, and described binding post 32 solderings down are fixed on the outer surface of bottom end cover 3.
In the present embodiment, all do not need to be provided with open-work on described upper end cover 2 and the bottom end cover 3.
The advantage of present embodiment is: owing to directly following binding post soldering is fixed on the lower surface of bottom end cover, make and need not to be provided with open-work on the bottom end cover, also saved the encapsulation process between following binding post and the open-work, so greatly simplified overall structure, saved material, thereby effectively reduced manufacturing cost and improved reliability.
(embodiment 2, Production Example)
Fig. 4 is the schematic diagram of the manufacture method of vacuum capacitor shown in Figure 3, has shown a kind of concrete manufacture method of the present utility model.
Present embodiment is the manufacture method of embodiment 1 described vacuum capacitor, includes but not limited to following steps:
1. upper electrode rings 21 solderings are fixed on the lower surface of upper end cover 2, last binding post 22 solderings are fixed on the upper surface of upper end cover 2; 31 solderings of bottom electrode ring are fixed on the upper surface of bottom end cover 3; Following binding post 32 solderings are fixed on the lower surface of bottom end cover 3;
2. will have upper end cover 2, the ceramic insulating tube 1 of upper electrode rings 21, the bottom end cover 3 with bottom electrode ring 31 carries out the assembly unit location, and on the contact-making surface of described ceramic insulating tube 1 upper port and the contact-making surface of upper end cover 2, described ceramic insulating tube 1 lower port and bottom end cover 3 one deck scolder is set; Thereby obtain the semi-finished product vacuum capacitor;
3. three good semi-finished product vacuum capacitors of assembly unit are inserted vacuum furnace 4,5 pairs of vacuum furnaces of external vaccum-pumping equipment vacuumize processing, carry out heat treated again after being evacuated to predetermined vacuum level, heating and temperature control is at 800 ± 20 degrees centigrade, melt until described scolder, in the heating process, continue to vacuumize processing; Scolder after the thawing with upper end cover 2, ceramic insulation ring with bottom end cover 3 solderings fixedly connected, treat that its cooling back is taken out promptly to can be used as the finished product vacuum capacitor.
In concrete practice, insert the quantity of the semi-finished product vacuum capacitor in the vacuum furnace 4 with criticizing, be to decide according to the size and the actual needs of vacuum furnace 4.
Manufacture method of the present utility model has the following advantages:
(1) by adopting the vacuum seal stove that vacuum capacitor is vacuumized processing, for the good semi-finished product vacuum capacitor of assembly unit, scolder between ceramic insulating tube and upper end cover and the bottom end cover is not before melting, there is certain clearance, so vacuumizing when handling, the air in the semi-finished product vacuum capacitor can be extracted out, need not to be provided with open-work and weld metal pipe in the bottom end cover center from described gap, thereby save material and reduce manufacturing procedure, reduce cost.
(2) also be convenient to control heating-up temperature by vacuum furnace heating, and can make heating and temperature control about 800 degrees centigrade even higher, and in traditional manufacture method, the temperature of the heating mantles of employing can only reach about 500 degrees centigrade, and be difficult to safeguard; The utility model method is by improving heating-up temperature, can vacuumize when handling, make air in the vacuum capacitor take out more fully, thorough, thereby obtain better degassing effect.
(3) in same vacuum furnace, place the good semi-finished product vacuum capacitor of a plurality of assembly units, vacuumize simultaneously and follow-up heating soldering, thereby production efficiency can be reached more than the several times of conventional method, simultaneously owing to need not the disconnected operation that reaches the sealing by fusing metal tube of traditional pincers, so can also effectively improve rate of finished products.
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 connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (3)
1. vacuum capacitor, comprise ceramic insulating tube (1), be arranged on mouth of pipe place, described insulated tube both sides upper end cover (2) and bottom end cover (3), be arranged on a plurality of upper electrode rings (21) on upper end cover (2) the inner side edge wall, be arranged on last binding post (22) on upper end cover (2) the outer side edges wall, be arranged on a plurality of bottom electrode rings (31) on bottom end cover (3) the inner side edge wall, be arranged on the following binding post (32) on bottom end cover (3) the outer side edges wall; Described each upper electrode rings (21) and each bottom electrode ring (31) are provided with one heart; Described upper end cover (2) seals up the opening of described ceramic insulating tube (1) upper end, and the described binding post (22) of going up is arranged on the upper surface of described upper end cover (2);
It is characterized in that: described bottom end cover (3) seals up the opening of described ceramic insulating tube (1) lower end, and described binding post (32) down is arranged on the lower surface of described bottom end cover (3), and described binding post (32) down is weldingly fixed on the outer surface of bottom end cover (3).
2. vacuum capacitor according to claim 1 is characterized in that: described ceramic insulating tube (1) is fixedlyed connected by welding manner with described upper end cover (2) and bottom end cover (3).
3. vacuum capacitor according to claim 1 is characterized in that: the described binding post (22) of going up is weldingly fixed on the upper surface of upper end cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202017184U CN201918259U (en) | 2010-05-25 | 2010-05-25 | Vacuum capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202017184U CN201918259U (en) | 2010-05-25 | 2010-05-25 | Vacuum capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201918259U true CN201918259U (en) | 2011-08-03 |
Family
ID=44418051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202017184U Expired - Fee Related CN201918259U (en) | 2010-05-25 | 2010-05-25 | Vacuum capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201918259U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794362A (en) * | 2012-11-01 | 2014-05-14 | 昆山国力真空电器有限公司 | Spiral electrode for vacuum capacitor and processing process thereof |
| CN107546035A (en) * | 2017-09-11 | 2018-01-05 | 北京三雄科技公司 | High-precision Vacuum printing capacitor and its application |
-
2010
- 2010-05-25 CN CN2010202017184U patent/CN201918259U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794362A (en) * | 2012-11-01 | 2014-05-14 | 昆山国力真空电器有限公司 | Spiral electrode for vacuum capacitor and processing process thereof |
| CN103794362B (en) * | 2012-11-01 | 2016-06-22 | 昆山国力真空电器有限公司 | Vacuum condenser screw electrode and processing technique thereof |
| CN107546035A (en) * | 2017-09-11 | 2018-01-05 | 北京三雄科技公司 | High-precision Vacuum printing capacitor and its application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WENZHOU ZHEGUANG ELECTRONICS CO., LTD. Free format text: FORMER OWNER: JIE XINGWEN Effective date: 20121220 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121220 Address after: 325600 Zhejiang province Yueqing City Industrial Zone weft nineteen Road Patentee after: Wenzhou Zheguang Electronics Co., Ltd. Address before: 325600 Zhejiang province Yueqing City Industrial Zone seventeen weft road incubator Patentee before: Jie Xingwen |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20160525 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |