CN109585171A - A kind of capacitor bearing higher harmonic current - Google Patents
A kind of capacitor bearing higher harmonic current Download PDFInfo
- Publication number
- CN109585171A CN109585171A CN201811435728.1A CN201811435728A CN109585171A CN 109585171 A CN109585171 A CN 109585171A CN 201811435728 A CN201811435728 A CN 201811435728A CN 109585171 A CN109585171 A CN 109585171A
- Authority
- CN
- China
- Prior art keywords
- capacitor
- harmonic current
- core
- higher harmonic
- adhesive layer
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 69
- 239000012790 adhesive layer Substances 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000007731 hot pressing Methods 0.000 claims abstract description 11
- 239000010410 layer Substances 0.000 claims abstract description 9
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 239000010408 film Substances 0.000 claims description 18
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 16
- 239000003292 glue Substances 0.000 claims description 14
- 239000011104 metalized film Substances 0.000 claims description 12
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims description 8
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- 229960001124 trientine Drugs 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 5
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 125000004494 ethyl ester group Chemical group 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 229920006289 polycarbonate film Polymers 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000001771 vacuum deposition Methods 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 150000002460 imidazoles Chemical class 0.000 description 3
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000003851 azoles Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/38—Multiple capacitors, i.e. structural combinations of fixed capacitors
- H01G4/385—Single unit multiple capacitors, e.g. dual capacitor in one coil
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/224—Housing; Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
- H01G4/232—Terminals electrically connecting two or more layers of a stacked or rolled capacitor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/32—Wound capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/33—Thin- or thick-film capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The present invention relates to a kind of capacitors for bearing higher harmonic current, and including capacitor case, the capacitor core group being arranged in inside capacitor case, capacitor cover, the inside of capacitor case is filled with the Insulation stopping that capacitor core group is fully wrapped around；Capacitor core group includes multiple capacitor cores, and capacitor core includes flattening core, and gilding layer is made by metal spraying technique in the both ends for flattening core.It is coated with adhesive layer along coat of metal length direction in the intermediate region of metal coating surface, cylindric fuse is then wound into, cylindric fuse is put into vacuum hotpressing machine and carries out hot pressing, obtains flattening core after natural cooling.The anti-harmonic current ability of the capacitor of the receiving higher harmonic current is good, can be used directly without installing filter reactor additional i.e., the long service life of capacitor good from thermal diffusivity of capacitor, and application value is high.
Description
Technical field
The present invention relates to a kind of capacitors for bearing higher harmonic current, belong to capacitor technology field.
Background technique
As common capacitor, internal capacitor core is wound by metallized film to be formed current thin film capacitor,
Since coating is than relatively thin, gilding layer and end face binding force of cladding material are poor after fuse metal spraying, and anti-harmonic current ability is poor, electricity
For container in use because harmonic current reason causes capacitor fever disadvantage, capacitor premature failure situation is relatively more.
Therefore, it is the electric current for bearing more higher harmonics, usually installs filter reactor additional before capacitor, extends capacitor service life.
But it is at high cost to install reactor additional, and volume is big, small but excellent developing direction is runed counter to electronic component.
Summary of the invention
The present invention is in view of the deficienciess of the prior art, provide a kind of capacitor for bearing higher harmonic current, specific skill
Art scheme is as follows:
A kind of capacitor bearing higher harmonic current, including capacitor case, the capacitor being arranged in inside capacitor case
The inside of device core group, capacitor cover, the capacitor case is filled with the Insulation stopping that capacitor core group is fully wrapped around；Institute
Stating capacitor core group includes multiple capacitor cores, and the capacitor core includes flattening core, and the both ends for flattening core pass through
Gilding layer is made in metal spraying technique.
As an improvement of the above technical solution, the making step for flattening core is as follows:
Step 1: metallized film pre-processes
Metallized film includes insulation film, and the coat of metal is made by technique for vacuum coating in the front of insulation film；
Adhesive layer, the width of the adhesive layer are coated with along coat of metal length direction in the intermediate region of metal coating surface
Less than the width of the coat of metal；
Step 2: winding, flattening molding
The metallized film for being coated with adhesive layer is wound into cylindric fuse, and cylindric fuse is put into vacuum hotpressing
It is suppressed in machine, air pressure when compacting inside vacuum hotpressing machine is 20~50Pa, in the pressure of 0.6Mpa and 125~130
Heat-insulation pressure keeping 15min at a temperature of DEG C obtains after natural cooling flattening core.
As an improvement of the above technical solution, the adhesive layer is by E44 type epoxy resin, dicyandiamide, triethylene four
Glue is made in amine, 2-methylimidazole, acetone mixing.
As an improvement of the above technical solution, the E44 type epoxy resin, dicyandiamide, triethylene tetramine, 2- methyl miaow
Azoles, acetone mass ratio be (100~120): (2.6~2.9): (3.3~3.9): (0.25~0.31): (230~260).
As an improvement of the above technical solution, the glue is 280~360cP in 25 DEG C of viscosity.
As an improvement of the above technical solution, the width of the coat of metal is b, and the width of the adhesive layer is a, 3
≤b/a≤4。
As an improvement of the above technical solution, the thickness of the adhesive layer is no more than 0.3mm.
As an improvement of the above technical solution, the insulation film is that poly- ethyl ester film, polypropylene film, polystyrene are thin
One of film, polycarbonate film.
Beneficial effects of the present invention:
The anti-harmonic current ability of the capacitor for bearing higher harmonic current is good, can be straight without installing filter reactor additional
Connect use, the long service life of capacitor good from thermal diffusivity of capacitor, application value height.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the capacitor of the present invention for bearing higher harmonic current；
Fig. 2 is the structural schematic diagram of capacitor core of the present invention；
Fig. 3 is the structural schematic diagram of the present invention for flattening core；
Fig. 4 is the structural schematic diagram of the metallized film of the present invention coated with adhesive layer.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1
As shown in Figures 1 to 3, the capacitor for bearing higher harmonic current, including capacitor case 10, setting are in capacitor
The inside of capacitor core group 20, capacitor cover 40 inside shell 10, the capacitor case 10 is filled with capacitor core group
20 fully wrapped around Insulation stoppings 30；The capacitor core group 20 includes multiple capacitor cores, and the capacitor core includes pressure
Gilding layer 22 is made by metal spraying technique in flat core 21, the both ends for flattening core 21.Wherein, the Insulation stopping 30 is
One of capacitor wax, insulating oil, epoxyn.
Embodiment 2
The making step for flattening core 21 is as follows:
1), metallized film pre-processes
As shown in figure 4, metallized film includes insulation film 211, pass through vacuum coating work in the front of insulation film 211
The coat of metal 212 is made in skill；Glue is coated with along 212 length direction of the coat of metal in the intermediate region on 212 surface of the coat of metal
Adhensive layer 213, the width of the adhesive layer 213 are less than the width of the coat of metal 212.
2) it, winds, flatten molding
The metallized film for being coated with adhesive layer 213 is wound into cylindric fuse, and cylindric fuse is put into vacuum
Suppressed in hot press, air pressure when compacting inside vacuum hotpressing machine is 20~50Pa, the pressure of 0.6Mpa and 125~
Heat-insulation pressure keeping 15min at a temperature of 130 DEG C obtains after natural cooling flattening core 21.
The width of the coat of metal 212 is b, and the width of the adhesive layer 213 is a, 3≤b/a≤4.
The thickness of the adhesive layer 213 is no more than 0.3mm.
The insulation film 211 be poly- ethyl ester film, polypropylene film, polystyrene film, in polycarbonate film
It is a kind of.
Embodiment 3
Adhesive layer 213 in embodiment 2 can be made by the following method:
By the E44 type epoxy resin of 100kg, the dicyandiamide of 2.6kg, the triethylene tetramine of 3.3kg, 0.25kg 2- methyl
Glue is made in the acetone mixing of imidazoles, 230kg.The glue is 280cP in 25 DEG C of viscosity.
Embodiment 4
Adhesive layer 213 in embodiment 2 can be made by the following method:
By the E44 type epoxy resin of 115kg, the dicyandiamide of 2.8kg, the triethylene tetramine of 3.6kg, 0.29kg 2- methyl
Glue is made in the acetone mixing of imidazoles, 255kg.The glue is 330cP in 25 DEG C of viscosity.
Embodiment 5
Adhesive layer 213 in embodiment 2 can be made by the following method:
By the E44 type epoxy resin of 120kg, the dicyandiamide of 2.9kg, the triethylene tetramine of 3.9kg, 0.31kg 2- methyl
Glue is made in the acetone mixing of imidazoles, 260kg.The glue is 360cP in 25 DEG C of viscosity.
In the above-described embodiments, since adhesive layer 213 is made using the very small glue of viscosity, adhesive layer 213
Thickness is very small, 125~130 DEG C at a temperature of, the E44 type epoxy resin, can be solid by dicyandiamide, triethylene tetramine
Change, the 2-methylimidazole is catalyst；The inside of vacuum hotpressing machine is evacuated before compacting, this is not only advantageous to acetone and waves
Hair, but also the oxygen inside vacuum hotpressing machine is reduced, avoid the coat of metal 212 from being oxidized.Glue after hot pressing, after solidification
The thickness of adhensive layer 213 is no more than 0.1mm.Due to the presence of adhesive layer 213, the volume of fuse is larger；But by using
The mode of hot pressing can reduce the volume of fuse, final flat flattening core 21, relative to directlying adopt metallized film
Manufactured existing core is flattened and is differed between the volume and the volume of core of core 21 no more than 7%.
It is provided with spacing between the side of cured glue adhensive layer 213 and the side in the same direction of the coat of metal 212, that is,
It says, even across technique is flattened, the both ends for flattening core 21 enable subsequent metal spraying steam there are enough minim gaps
Into and fill, to be conducive to improve the binding force between gilding layer 22 and the coat of metal 212, anti-harmonic current ability is good,
Higher harmonic current can be born without installing filter reactor additional.Technique is flattened due to using, so that flattening in core 21
The air in portion is discharged to greatest extent, and for air, the thermal coefficient of the adhesive layer 213 after solidification is more preferable, pressure
The thermal diffusivity of flat core 21 is good, the long service life of capacitor.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of capacitor for bearing higher harmonic current, including capacitor case, the capacitor being arranged in inside capacitor case
The inside of core group, capacitor cover, the capacitor case is filled with the Insulation stopping that capacitor core group is fully wrapped around；It is described
Capacitor core group includes multiple capacitor cores, it is characterised in that: the capacitor core includes flattening core, the flattening core
Gilding layer is made by metal spraying technique in both ends.
2. a kind of capacitor for bearing higher harmonic current according to claim 1, it is characterised in that: the flattening core
Making step is as follows:
Step 1: metallized film pre-processes
Metallized film includes insulation film, and the coat of metal is made by technique for vacuum coating in the front of insulation film；In gold
The intermediate region for belonging to coating surface is coated with adhesive layer along coat of metal length direction, and the width of the adhesive layer is less than
The width of the coat of metal；
Step 2: winding, flattening molding
The metallized film for being coated with adhesive layer is wound into cylindric fuse, and cylindric fuse is put into vacuum hotpressing machine
It is suppressed, air pressure when compacting inside vacuum hotpressing machine is 20~50Pa, in the pressure of 0.6Mpa and 125~130 DEG C
At a temperature of heat-insulation pressure keeping 15min, obtain after natural cooling flattening core.
3. a kind of capacitor for bearing higher harmonic current according to claim 2, it is characterised in that: the adhesive layer is
Glue is made in E44 type epoxy resin, dicyandiamide, triethylene tetramine, 2-methylimidazole, acetone mixing.
4. a kind of capacitor for bearing higher harmonic current according to claim 3, it is characterised in that: the E44 type ring oxygen
Resin, dicyandiamide, triethylene tetramine, 2-methylimidazole, acetone mass ratio be (100~120): (2.6~2.9): (3.3~
3.9): (0.25~0.31): (230~260).
5. a kind of capacitor for bearing higher harmonic current according to claim 3, it is characterised in that: the glue is at 25 DEG C
Viscosity be 280~360cP.
6. a kind of capacitor for bearing higher harmonic current according to claim 2, it is characterised in that: the coat of metal
Width is b, and the width of the adhesive layer is a, 3≤b/a≤4.
7. a kind of capacitor for bearing higher harmonic current according to claim 2, it is characterised in that: the adhesive layer
Thickness is no more than 0.3mm.
8. a kind of capacitor for bearing higher harmonic current according to claim 2, it is characterised in that: the insulation film is
One of poly- ethyl ester film, polypropylene film, polystyrene film, polycarbonate film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811435728.1A CN109585171B (en) | 2018-11-28 | 2018-11-28 | Capacitor capable of bearing high harmonic current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811435728.1A CN109585171B (en) | 2018-11-28 | 2018-11-28 | Capacitor capable of bearing high harmonic current |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109585171A true CN109585171A (en) | 2019-04-05 |
| CN109585171B CN109585171B (en) | 2021-04-06 |
Family
ID=65924863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811435728.1A Active CN109585171B (en) | 2018-11-28 | 2018-11-28 | Capacitor capable of bearing high harmonic current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109585171B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2476086Y (en) * | 2000-09-13 | 2002-02-06 | 李家寿 | Low noise series metallized polypropylene AC capacitor |
| CN2691029Y (en) * | 2003-06-04 | 2005-04-06 | 周晓东 | Capacitor for inhibiting interference and power network |
| CN202025648U (en) * | 2011-04-07 | 2011-11-02 | 安徽湖滨电子科技有限公司 | Super-high sheet resistance metalized film |
| CN102809499A (en) * | 2012-08-15 | 2012-12-05 | 中国科学院宁波材料技术与工程研究所 | Sample preparation method for carbon fiber tensile property test |
| CN105977024A (en) * | 2016-06-27 | 2016-09-28 | 安徽赛福电子有限公司 | Metalized safety film layer stacked-type pulse capacitor |
| CN106449091A (en) * | 2016-09-29 | 2017-02-22 | 铜陵市超越电子有限公司 | Metallized film capable of preventing gold-spraying surface from falling off |
| CN108109842A (en) * | 2017-12-22 | 2018-06-01 | 黄山申格电子科技有限公司 | A kind of aluminum hull noinductive capacitor production method |
-
2018
- 2018-11-28 CN CN201811435728.1A patent/CN109585171B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2476086Y (en) * | 2000-09-13 | 2002-02-06 | 李家寿 | Low noise series metallized polypropylene AC capacitor |
| CN2691029Y (en) * | 2003-06-04 | 2005-04-06 | 周晓东 | Capacitor for inhibiting interference and power network |
| CN202025648U (en) * | 2011-04-07 | 2011-11-02 | 安徽湖滨电子科技有限公司 | Super-high sheet resistance metalized film |
| CN102809499A (en) * | 2012-08-15 | 2012-12-05 | 中国科学院宁波材料技术与工程研究所 | Sample preparation method for carbon fiber tensile property test |
| CN105977024A (en) * | 2016-06-27 | 2016-09-28 | 安徽赛福电子有限公司 | Metalized safety film layer stacked-type pulse capacitor |
| CN106449091A (en) * | 2016-09-29 | 2017-02-22 | 铜陵市超越电子有限公司 | Metallized film capable of preventing gold-spraying surface from falling off |
| CN108109842A (en) * | 2017-12-22 | 2018-06-01 | 黄山申格电子科技有限公司 | A kind of aluminum hull noinductive capacitor production method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109585171B (en) | 2021-04-06 |
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