CN211929307U - Coupling type capacitor - Google Patents
Coupling type capacitor Download PDFInfo
- Publication number
- CN211929307U CN211929307U CN202020921421.9U CN202020921421U CN211929307U CN 211929307 U CN211929307 U CN 211929307U CN 202020921421 U CN202020921421 U CN 202020921421U CN 211929307 U CN211929307 U CN 211929307U
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- CN
- China
- Prior art keywords
- capacitor
- porcelain bushing
- fixedly connected
- foil
- cathode foil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000003990 capacitor Substances 0.000 title claims abstract description 51
- 230000008878 coupling Effects 0.000 title claims abstract description 14
- 238000010168 coupling process Methods 0.000 title claims abstract description 14
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 14
- 239000011888 foil Substances 0.000 claims abstract description 36
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 29
- 238000002955 isolation Methods 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 11
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 7
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 238000011161 development Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009422 external insulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a coupling capacitor, which comprises a porcelain bushing, wherein both ends of the porcelain bushing are fixedly provided with connecting flanges, the inner side wall of the porcelain bushing is fixedly connected with a polytetrafluoroethylene layer, both ends of the inner part of the porcelain bushing are fixedly provided with metal expanders, a capacitor assembly is fixedly arranged between the metal expanders, a capacitor core is fixedly arranged in the capacitor assembly, the capacitor core comprises a first isolation paper, a second isolation paper, a cathode foil and an anode foil, the upper end of the first isolation paper is fixedly connected with the cathode foil, the upper end of the second isolation paper is fixedly connected with the anode foil, the cathode foil and the anode foil are fixedly connected with connecting terminals, and a lead is fixedly connected between the connecting terminals. The overcurrent capacity is strong, the temperature is small, the temperature of the whole capacitor is low, and the capacitor accords with the trend of the current social technology development.
Description
Technical Field
The utility model relates to a condenser technical field specifically is a coupled capacitor.
Background
The coupling capacitor is mainly used for inverter welding machines, inverter power supplies, electroplating power supplies and other coupling blocking occasions of various power electronic devices, along with the change of electronic information technology, the updating and upgrading speed of digital electronic products is faster and faster, the production and sales volume of consumer electronic products mainly comprising flat televisions, notebook computers, digital cameras and other products is continuously increased, the industry of the capacitor is driven to be increased, a device capacitor for storing electric charge and electric energy, which is composed of two electrodes made of conductors which are close to and insulated from each other, is one of electronic elements which are used in a large number of electronic devices, and the coupling capacitor is widely applied to blocking, passing, coupling, bypassing, filtering, tuning loops, energy conversion, control and other aspects in circuits.
The existing coupling capacitors have single function and poor stability, accidents such as capacitor burning loss and explosion occur occasionally, preventive tests of the capacitors before the accidents are qualified, and the accidents occur soon after the capacitors are put into operation. The change of the pressure in the porcelain bushing is obvious due to the temperature rise in the working process of the coupling capacitor, so that the breakdown explosion is easy to occur, and the unstable factor is increased for the product performance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coupled capacitor to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: including the porcelain bushing, the equal fixed mounting in porcelain bushing both ends has flange, the equal fixedly connected with polytetrafluoroethylene layer in porcelain bushing inside wall, the equal fixed mounting in both ends in porcelain bushing has the metal expander, fixed mounting has capacitance assembly between the metal expander, the inside fixed mounting of capacitance assembly has the electric capacity core, the electric capacity core is including first barrier paper, second barrier paper, negative pole paper tinsel and positive pole paper tinsel, first barrier paper upper end fixedly connected with negative pole paper tinsel, second barrier paper upper end fixedly connected with has the positive pole paper tinsel, the equal fixedly connected with connecting terminal of negative pole paper tinsel and positive pole paper tinsel, fixedly connected with wire between the connecting terminal.
Further, the porcelain bushing is filled with an oil medium.
Furthermore, the porcelain bushing is integrally cylindrical and made of insulating ceramic materials, the outer wall of the porcelain bushing is of an umbrella skirt structure, and the umbrella skirts are arranged in a large-small interval mode.
Further, the porcelain bushing and the connecting flange are fixedly connected through a thread structure in a spiral mode.
Furthermore, the connecting terminals extending out of the cathode foil and the anode foil are oppositely extended.
Furthermore, the capacitor core is provided with a plurality of groups, and the connecting terminals extending from the cathode foil and the anode foil inside the capacitor core are electrically connected through a lead.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model can fix the internal capacitor component through the arranged metal expander, avoid displacement during use, ensure even electric field distribution, reduce partial discharge, reduce operation and maintenance workload, reduce accident frequency, improve power supply quality and prolong the service life of equipment;
2. the utility model can effectively prevent the occurrence of the conditions of ceramic sleeve cracking and the like caused by the thermal expansion of the oil medium in the coupling capacitor through the polytetrafluoroethylene layer fixedly connected with the inner side wall of the ceramic sleeve, has excellent chemical stability, can resist all strong acid, strong alkali and strong oxidant, and does not react with various organic solvents;
3. the utility model separates the cathode foil and the anode foil inside the capacitor core by the separation paper, so that the effect of high frequency and low resistance can be better achieved in the use process, the structure is simple, the service life is long, and the use effect is good;
4. the utility model discloses simple structure, the modern design, easy installation and dismantlement, the practicality is strong and reliable and stable, in addition, its high frequency loss is little, and the overcurrent ability is strong, and the temperature is wafted for a short time, and whole condenser temperature is low, accords with the trend of current social technical development.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a schematic view of the overall structure of the present invention.
In FIGS. 1-3: 1-porcelain bushing; 2-a connecting flange; 3-a polytetrafluoroethylene layer; 4-a metal expander; 5-a capacitive component; 6-a capacitive core; 7-a wire; 8-first release paper; 9-second release paper; 10-a cathode foil; 11-an anode foil; 12-connecting terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: comprises a porcelain bushing 1.
Wherein, 1 both ends of insulator fixed mounting has flange 2, 1 inside wall fixedly connected with polytetrafluoroethylene layer 3 of insulator, 1 inside both ends of insulator fixed mounting has metal expander 4.
A capacitor assembly 5 is fixedly installed between the metal expanders 4, a capacitor core 6 is fixedly installed in the capacitor assembly 5, and the capacitor core 6 comprises first isolation paper 8, second isolation paper 9, a cathode foil 10 and an anode foil 11.
Wherein, first barrier paper 8 upper end fixedly connected with cathode foil 10, second barrier paper 9 upper end fixedly connected with has anode foil 11, cathode foil 10 and the equal fixedly connected with connecting terminal 12 of anode foil 11, fixedly connected with wire 7 between connecting terminal 12.
Further, the porcelain bushing 1 is filled with an oil medium.
Wherein, can make the condenser cool down at the during operation, avoid the temperature to rise, promote coupling capacitor job stabilization nature, can effectively prevent that the condenser from burning out and exploding.
Further, the porcelain bushing 1 is integrally cylindrical and made of an insulating ceramic material, the outer wall of the porcelain bushing 1 is of an umbrella skirt structure, and the umbrella skirts are arranged in a large-small interval mode.
The external insulation performance of the capacitor is improved, the creepage distance of the capacitor can be effectively increased by the large umbrella skirts appearing at intervals, the external insulation performance of the capacitor is further improved, and the coupling capacitor is safer.
Further, the porcelain bushing 1 and the connecting flange 2 are fixedly connected through a thread structure in a spiral mode.
Wherein, can be more convenient adjust the inside electric capacity subassembly to and change the oil medium.
Further, connection terminals 12 extending from cathode foil 10 and anode foil 11 are extended oppositely.
In which the opposite connection terminals 12 are prevented from being connected and connection with the outside is more convenient.
Furthermore, the capacitor core 6 is provided with a plurality of groups, and the connecting terminals 12 extending from the cathode foil 10 and the anode foil 11 in the capacitor core 6 are electrically connected through the conducting wires 7.
The high-frequency power supply is high in practicability, stable and reliable, low in high-frequency loss and high in overcurrent capacity.
The working principle is as follows: when in use, the device is installed through the connecting flanges 2 at two ends, then when in use, the situation that the porcelain sleeve 1 is cracked and the like caused by the thermal expansion of an oil medium in the coupling capacitor can be effectively prevented through the polytetrafluoroethylene layer 3 fixedly connected with the inner side wall of the porcelain sleeve 1, the device has excellent chemical stability, can resist all strong acid, strong alkali and strong oxidant, does not react with various organic solvents, can fix the internal capacitor assembly 5 through the arranged metal expander 4, avoids the displacement during use, can also enable the electric field to be uniformly distributed, reduces the local discharge, reduces the operation and maintenance workload, reduces the accident frequency, improves the power supply quality and prolongs the service life of equipment, and can better achieve the effect of high frequency and low resistance in the use process by isolating the cathode foil 10 and the anode foil 11 in the capacitor core 6 through the first isolation paper 8 and the second isolation paper 9, simple structure, long service life and good use effect.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A coupling capacitor comprises a porcelain bushing (1), and is characterized in that: the two ends of the porcelain bushing (1) are both fixedly provided with connecting flanges (2), the inner side wall of the porcelain bushing (1) is fixedly connected with a polytetrafluoroethylene layer (3), both ends of the interior of the porcelain bushing (1) are fixedly provided with metal expanders (4), a capacitor component (5) is fixedly arranged between the metal expanders (4), a capacitor core (6) is fixedly arranged in the capacitor component (5), the capacitor core (6) comprises first isolation paper (8), second isolation paper (9), a cathode foil (10) and an anode foil (11), the upper end of the first isolation paper (8) is fixedly connected with a cathode foil (10), the upper end of the second isolation paper (9) is fixedly connected with an anode foil (11), cathode foil (10) and positive pole foil (11) equal fixedly connected with connecting terminal (12), fixedly connected with wire (7) between connecting terminal (12).
2. A coupled capacitor according to claim 1, wherein: the porcelain bushing (1) is filled with an oil medium.
3. A coupled capacitor according to claim 1, wherein: the porcelain bushing (1) is integrally cylindrical and is made of an insulating ceramic material, the outer wall of the porcelain bushing (1) is of an umbrella skirt structure, and the umbrella skirts are arranged in a large-small alternating mode.
4. A coupled capacitor according to claim 1, wherein: the porcelain bushing (1) and the connecting flange (2) are in spiral fixed connection through a threaded structure.
5. A coupled capacitor according to claim 1, wherein: the connecting terminals (12) extending from the cathode foil (10) and the anode foil (11) are oppositely extended.
6. A coupled capacitor according to claim 1, wherein: the capacitor core (6) is provided with a plurality of groups, and the connecting terminals (12) extending from the cathode foil (10) and the anode foil (11) in the capacitor core (6) are electrically connected through the conducting wires (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020921421.9U CN211929307U (en) | 2020-05-27 | 2020-05-27 | Coupling type capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020921421.9U CN211929307U (en) | 2020-05-27 | 2020-05-27 | Coupling type capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211929307U true CN211929307U (en) | 2020-11-13 |
Family
ID=73320101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020921421.9U Expired - Fee Related CN211929307U (en) | 2020-05-27 | 2020-05-27 | Coupling type capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211929307U (en) |
-
2020
- 2020-05-27 CN CN202020921421.9U patent/CN211929307U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201113 |