CN203673970U - Dry type mica paper resonant capacitor - Google Patents
Dry type mica paper resonant capacitor Download PDFInfo
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- CN203673970U CN203673970U CN201420045324.2U CN201420045324U CN203673970U CN 203673970 U CN203673970 U CN 203673970U CN 201420045324 U CN201420045324 U CN 201420045324U CN 203673970 U CN203673970 U CN 203673970U
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- Prior art keywords
- external electrode
- mica paper
- capacitor
- electrode
- dry type
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- 239000003990 capacitor Substances 0.000 title claims abstract description 96
- 239000010445 mica Substances 0.000 title claims abstract description 63
- 229910052618 mica group Inorganic materials 0.000 title claims abstract description 63
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 239000011889 copper foil Substances 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 6
- 229920002545 silicone oil Polymers 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000003475 lamination Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 241000282326 Felis catus Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003985 ceramic capacitor Substances 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 238000006424 Flood reaction Methods 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model relates to a capacitor, particular to a dry type mica paper resonant capacitor, thereby solving a problem that the excising capacitor can not meet requirements of high capacity, long service life, and low cost simultaneously in the prior art. The dry type mica paper resonant capacitor comprises a capacitor core group, a first external electrode, a second external electrode and an embedment layer; the first external electrode and the second external electrode are respectively arranged at the two sides of the capacitor core group; and the embedment layer is arranged at the sides of the capacitor core group, the first external electrode and the second external electrode. The capacitor core group is formed by overlaying of capacitor chips including first internal electrodes, second internal electrodes, and mica papers; the first internal electrodes and the second internal electrodes are respectively arranged at the two sides of the mica papers in a cross-shaped staggered mode and respectively extend out of the two sides of the mica papers, wherein the extending portions are connected. On the basis of the internal electrodes in the cross-shaped mode, the mica papers with the certain thicknesses meeting the design requirement are spaced; and because of the bi-directional lamination leading out method, the enough load capacity for bearing heavy currents and the lowest impedance can be obtained. The scheme is suitable for the dry type mica paper resonant capacitor.
Description
Technical field
The utility model relates to capacitor, particularly dry type mica paper resonant capacitor.
Background technology
Existing resonant capacitor has three kinds conventionally, and one is ceramic capacitor, and the second is film capacitor, and the third is foil mica capacity.Ceramic capacitor is subject to the impact of material, and the capacitance of single capacitor is done not quite, therefore has influence on the space utilization of electric equipment.The heat resistance of film capacitor is poor, in the time of welding, can lose film, affect useful life, next is that dielectric coefficient is little, film capacitor adopts winding method to make capacitor core group conventionally besides, and the self-inductance of core group is larger, under high frequency service condition, has increased reactance, also increased the caloric value of self, very unfavorable to electric capacity itself.The main material of foil mica capacity is by cat's silver sheet, select the natural mica of high-quality to be processed into thin slice, cut into again the size of certain specification, then the silver layer of 10 micron thickness on the quilt of the two sides of mica sheet, becomes by cat's silver sheet by high temperature sintering, and this natural material requirements is very high, resource is day by day rare, therefore cost is very high, and yet not environmental protection does not possess Universal Conditions.
Utility model content
Technical problem to be solved in the utility model, is just to provide dry type mica paper resonant capacitor, makes the capacitor can be in having the load-bearing capacity and lowest impedance of enough bearing great currents, meets energy storage than large, and the life-span is long, the effect that cost performance is high.
The utility model solve the technical problem, the technical scheme adopting is, dry type mica paper resonant capacitor, comprise capacitor core group, the first external electrode, the second external electrode and embedding layer, the first external electrode and the second external electrode are arranged at respectively the two sides of capacitor core group, capacitor core group, the side of the first external electrode and the second external electrode is provided with embedding layer, described capacitor core group is made up of capacitor chip stack, capacitor chip comprises the first interior electrode, the second inner electrode and mica paper, described the first interior electrode and the second inner electrode are cross interlace mode and are arranged at respectively the two sides of mica paper, and stretch out in respectively the both sides of mica paper, extension connects.
Concrete, between the two sides of described capacitor core group and the first external electrode and the second external electrode, be also provided with insulating barrier.
Further, described insulating barrier is mica sheet.
Concrete, described the first external electrode and the second external electrode are cross interlace mode and are arranged at respectively the two sides of capacitor core group.
Concrete, described the first external electrode and the second external electrode are all the copper flat board that there is convex inner side, described the first interior electrode and the second inner electrode are all electrode in Copper Foil.
Concrete, between described capacitor chip, connect with parallel way.
Concrete, described the first external electrode and the second external electrode respectively high-frequency induction heating are welded in the two sides of capacitor chip, and described the first interior electrode and the second inner electrode stretch out mica paper both sides part high-frequency induction heating and be welded to connect.
Concrete, described mica paper thickness can free setting.
Further, described mica paper is the mica paper that flooded silicone oil.
Further, described embedding layer is epoxy resin encapsulated layer.
The beneficial effects of the utility model are, are right-angled intersection by interior electrode, the mica paper of the certain designing requirement thickness in interval, and the chip of a specific capacitance amount of composition, then the capacitance of the regulation that is added to piecewise, form capacitance core group through welding.Two external polar plates are equally right-angled intersection with electrode in core group, respectively from the two sides of capacitor core group, are close to core group and interior electrode lead-out part divides welding.Adopt right-angled intersection, two-way load-bearing capacity and lowest impedance of drawing laminated layer method and obtained enough bearing great currents.Meanwhile, flooded the mica paper of silicone oil as main medium by utilization, and had low-loss angle when use, high temperature resistant, the characteristic of larger dielectric coefficient can meet energy storage than large thereby reach capacitor simultaneously, and the life-span is long, the effect that cost performance is high.
Accompanying drawing explanation
Fig. 1 is the section of structure of the utility model dry type mica paper resonant capacitor;
Fig. 2 is the structure chart of capacitor chip in the utility model dry type mica paper resonant capacitor;
Wherein, 1-the first external electrode, 2-the second external electrode, 3--capacitor core group, 4-insulating barrier, 5-embedding layer, the 6-the first interior electrode, 7-the second inner electrode, 8-mica paper.
Embodiment
Describe the technical solution of the utility model in detail below in conjunction with drawings and Examples:
The utility model is in prior art, it is large that capacitor cannot meet capacity simultaneously, life-span is long, the problem that cost is low, dry type mica paper resonant capacitor is provided, comprise capacitor core group, the first external electrode, the second external electrode and embedding layer, the first external electrode and the second external electrode are arranged at respectively the two sides of capacitor core group, capacitor core group, the side of the first external electrode and the second external electrode is provided with embedding layer, described capacitor core group is made up of capacitor chip stack, capacitor chip comprises the first interior electrode, the second inner electrode and mica paper, described the first interior electrode and the second inner electrode are cross interlace mode and are arranged at respectively the two sides of mica paper, and stretch out in respectively the both sides of mica paper, extension connects.Be right-angled intersection by interior electrode, the mica paper of the certain designing requirement thickness in interval, the chip of a specific capacitance amount of composition, then the capacitance of the regulation that is added to piecewise, form capacitance core group through welding.Two external polar plates are equally right-angled intersection with electrode in capacitor chip, respectively from the two sides of capacitor core group, are close to capacitor core group and interior electrode lead-out part divides welding.Adopt right-angled intersection, two-way load-bearing capacity and lowest impedance of drawing laminated layer method and obtained enough bearing great currents.Meanwhile, flooded the mica paper of silicone oil as main medium by utilization, and had low-loss angle when use, high temperature resistant, the characteristic of larger dielectric coefficient can meet energy storage than large thereby reach capacitor simultaneously, and the life-span is long, the effect that cost performance is high.
Embodiment
As shown in Figure 1, the dry type mica paper resonant capacitor that this is routine, comprise capacitor core group 3, the first external electrode 1, the second external electrode 2 and embedding layer 5, the first external electrode 1 and the second external electrode 2 are arranged at respectively the two sides of capacitor core group 3, and the side of capacitor core group 3, the first external electrode 1 and the second external electrode 2 is provided with embedding layer 5.Between the two sides of capacitor core group 3 and the first external electrode 1 and the second external electrode 2, be also provided with insulating barrier 4.Preferably, the first external electrode 1 and the second external electrode 2 are copper dispatch from foreign news agency pole plate, and insulating barrier 4 is mica sheet, and the first external electrode 1 and the second external electrode 2 are cross interlace mode and are arranged at respectively the two sides of capacitor core group 3.
The lead-out mode of capacitor core group 3 is the two-way laminated layer method of drawing, in every electrode Copper Foil, electrode is the both sides of stretching out mica paper 8 and draws, make electrode in electrode Copper Foil all have two to draw limit, make the current conduction path of electrode in every electrode Copper Foil reduce half than the path of one side lead-out mode capacitor, and because electric current is to be coaxial opposite direction conduction in same electrode Copper Foil, self-inductance is thoroughly eliminated, therefore the loss of electric capacity drops to minimum, and the ability of loaded current amount is the twice of one side lead-out mode, heat conduction flow is also the twice of common takeup type capacitor core, and stray inductance is down to minimum, when being worked under higher-order of oscillation condition, capacitor can instantaneous electric charge and internal heat be passed to dispatch from foreign news agency pole plate, dispatch from foreign news agency pole plate sends electric current to connection line, and the heat spreading out of is taken away by cooling device again, be conducive to the work that capacitor for a long time can be high.Finally use epoxy resin encapsulated, complete the structure sizing of product, realized larger energy volume specific characteristic.
Claims (10)
1. dry type mica paper resonant capacitor, comprise capacitor core group, the first external electrode, the second external electrode and embedding layer, the first external electrode and the second external electrode are arranged at respectively the two sides of capacitor core group, capacitor core group, the side of the first external electrode and the second external electrode is provided with embedding layer, it is characterized in that, described capacitor core group is made up of capacitor chip stack, capacitor chip comprises the first interior electrode, the second inner electrode and mica paper, described the first interior electrode and the second inner electrode are cross interlace mode and are arranged at respectively the two sides of mica paper, and stretch out in respectively the both sides of mica paper, extension connects.
2. dry type mica paper resonant capacitor according to claim 1, is characterized in that, is also provided with insulating barrier between the two sides of described capacitor core group and the first external electrode and the second external electrode.
3. dry type mica paper resonant capacitor according to claim 2, is characterized in that, described insulating barrier is mica sheet.
4. dry type mica paper resonant capacitor according to claim 1, is characterized in that, described the first external electrode and the second external electrode are cross interlace mode and are arranged at respectively the two sides of capacitor core group.
5. dry type mica paper resonant capacitor according to claim 1, is characterized in that, described the first external electrode and the second external electrode are all the copper flat board that there is convex inner side, and described the first interior electrode and the second inner electrode are all electrode in Copper Foil.
6. dry type mica paper resonant capacitor according to claim 1, is characterized in that, between described capacitor chip, connects with parallel way.
7. dry type mica paper resonant capacitor according to claim 1, it is characterized in that, described the first external electrode and the second external electrode respectively high-frequency induction heating are welded in the two sides of capacitor chip, and described the first interior electrode and the second inner electrode stretch out mica paper both sides part high-frequency induction heating and be welded to connect.
8. dry type mica paper resonant capacitor according to claim 1, is characterized in that, described mica paper thickness can free setting.
9. dry type mica paper resonant capacitor according to claim 8, is characterized in that, described mica paper is the mica paper that flooded silicone oil.
10. according to the dry type mica paper resonant capacitor described in claim 1 to 9 Arbitrary Term, it is characterized in that, described embedding layer is epoxy resin encapsulated layer.
Priority Applications (1)
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CN201420045324.2U CN203673970U (en) | 2014-01-24 | 2014-01-24 | Dry type mica paper resonant capacitor |
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CN201420045324.2U CN203673970U (en) | 2014-01-24 | 2014-01-24 | Dry type mica paper resonant capacitor |
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CN201420045324.2U Expired - Lifetime CN203673970U (en) | 2014-01-24 | 2014-01-24 | Dry type mica paper resonant capacitor |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104064354A (en) * | 2014-06-26 | 2014-09-24 | 四川美丰云母工业有限责任公司 | High-power resonance capacitor manufacture method |
CN111395052A (en) * | 2020-05-13 | 2020-07-10 | 湖南睿达云母新材料有限公司 | Mica paper for high-insulation capacitor and preparation method thereof |
-
2014
- 2014-01-24 CN CN201420045324.2U patent/CN203673970U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104064354A (en) * | 2014-06-26 | 2014-09-24 | 四川美丰云母工业有限责任公司 | High-power resonance capacitor manufacture method |
CN111395052A (en) * | 2020-05-13 | 2020-07-10 | 湖南睿达云母新材料有限公司 | Mica paper for high-insulation capacitor and preparation method thereof |
CN111395052B (en) * | 2020-05-13 | 2021-09-24 | 湖南睿达云母新材料有限公司 | Mica paper for high-insulation capacitor and preparation method thereof |
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CX01 | Expiry of patent term |
Granted publication date: 20140625 |