CN109786109A - A kind of novel high q-factor capacitor - Google Patents
A kind of novel high q-factor capacitor Download PDFInfo
- Publication number
- CN109786109A CN109786109A CN201910108723.6A CN201910108723A CN109786109A CN 109786109 A CN109786109 A CN 109786109A CN 201910108723 A CN201910108723 A CN 201910108723A CN 109786109 A CN109786109 A CN 109786109A
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- CN
- China
- Prior art keywords
- capacitor
- polypropylene film
- oil
- factor
- aluminium 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.)
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Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 80
- 239000004743 Polypropylene Substances 0.000 claims abstract description 63
- -1 polypropylene Polymers 0.000 claims abstract description 63
- 229920001155 polypropylene Polymers 0.000 claims abstract description 63
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000007740 vapor deposition Methods 0.000 claims abstract description 11
- 239000004411 aluminium Substances 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims abstract description 8
- 239000010408 film Substances 0.000 claims description 61
- 239000005030 aluminium foil Substances 0.000 claims description 23
- 238000001035 drying Methods 0.000 claims description 16
- 238000005516 engineering process Methods 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 229920000647 polyepoxide Polymers 0.000 claims description 8
- 238000007738 vacuum evaporation Methods 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 7
- QWUWMCYKGHVNAV-UHFFFAOYSA-N 1,2-dihydrostilbene Chemical class C=1C=CC=CC=1CCC1=CC=CC=C1 QWUWMCYKGHVNAV-UHFFFAOYSA-N 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000003851 corona treatment Methods 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 238000010894 electron beam technology Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000011104 metalized film Substances 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000001413 cellular effect Effects 0.000 claims description 2
- 239000010426 asphalt Substances 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000000637 aluminium metallisation Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The present invention provides a kind of novel high q-factor capacitor, is related to capacitor area, including capacitor body, capacitor case and tinned wird, is provided with insulating layer polypropylene film in capacitor body.In the present invention, by changing previous capacitor polypropylene film using the method for traditional height oil shielding high room sheet resistance of AM aluminum metallization zincification, a small amount of special oil is added during vapor deposition and does shielded layer to prevent pollution frequency band, it avoids polluteing frequency band since oil mass is big, it causes high-frequency loss and increases the phenomenon that Q value reduces, a thin layer aluminium is deposited again does electrode simultaneously, to play the role of self-healing, since the loss value of its higher capacitor of Q value is lower, efficiency is higher, the double design of fine aluminium low square resistance is then used using low oil shielding and during vapor deposition, to guarantee that the low-loss characteristic of high q-factor may be implemented in capacitor, and the process easy processing, cost is relatively low, power factor is higher, meet the urgent need of current wireless charging.
Description
Technical field
The present invention relates to capacitor area more particularly to a kind of novel high q-factor capacitors.
Background technique
With the competition in domestic capacitor market, each large capacitor manufacturer has started Power capacitor industry technology
Lead the emerging revolution of development.It is mature to be subject to world's Power capacitor industry overall performance, and capacitor core technology rests in mostly
In state's external capacitive body giant's hand, thus also result in domestic manufacturers start the new strategy of the shift of the work focus to technical field and
New battle line.
But in the difficult point to be moved ahead due to big industries several in technical field, low-loss angle, High Power Factor Q value capacitor
It is a difficult point that everybody pays close attention to always but very scabrous, if it is possible to well solve or can largely increase
High-power factor Q value, then the favor that mobile phone wireless charging adapter market will be will receive, therefore the present invention proposes that one kind is novel
High q-factor capacitor solves the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of novel high q-factor capacitors, to solve the above technical problems.
The present invention using following technical scheme in order to solve the above technical problems, realized: a kind of novel high q-factor capacitor,
Including capacitor body, capacitor case and tinned wird, it is characterised in that:
Insulating layer polypropylene film is provided in the capacitor body, and the two sides of polypropylene film pass through a small amount of screen of addition
It covers oil and does first screen layer and secondary shielding layer, honeycomb groove, institute are offered at the top of first screen layer and secondary shielding layer
It states the side of polypropylene film and one layer of aluminium foil, and polypropylene film is plated by vacuum evaporation positioned at the outside of honeycomb groove
Side be located at the side of aluminium foil and be provided with and stay side；The inside of the capacitor case is bonded with the electricity by epoxide-resin glue
Container fuse, and epoxide-resin glue is uniformly filled between capacitor case and capacitor body, the capacitor case
The tinned wird is drawn as pin from the inside of capacitor body in side.
Preferably, the polypropylene film thickness is by 5 μ to 50 μ, and polypropylene film has biaxial tension characteristic.
It prevents from polluteing frequency band using the polypropylene film of certain thickness, polypropylene film has certain ductility, increases it and add
The efficiency and service life in working hour.
Preferably, the length of the first screen layer and secondary shielding layer and width with the length of aluminium foil and width phase
Length Deng, the aluminium foil is plus staying the length on side and the equal length of polypropylene film.Between aluminium foil and polypropylene film
Increase shielded layer, prevents it from polluteing frequency band.
Preferably, the capacitor case is made of heat-resisting material.Heat-resisting material increases capacitor case and uses
Service life.
Preferably, the processing technology of the vacuum evaporation, includes the following steps:
A: polypropylene film: being placed in deionized water impregnate 0.5-1h first, be then taken out by polypropylene film pretreatment,
Tiling is placed in vacuum drier and carries out high temperature drying, drying time 20-40min, is then carrying out sided corona treatment, will gather
The two sides of Polypropylene film offer cellular groove；Honeycomb groove enables special oil to closely adhere to polypropylene film
On, while the fitting area between aluminium foil and polypropylene film can also be made bigger；
B: vapor deposition: polypropylene film is placed in the vacuum chamber after cleaning first, and heats polypropylene film under vacuum, makes it
The desorbing gas of surface attachment, then discharges it in vacuum chamber, improves the purity of vapor deposition, then by taking a small amount of special oil
In uniform tiling to the honeycomb groove of polypropylene film two sides, shielded layer use is done, aluminium foil is then heated by electron beam
And melting, and the aluminium foil after melting is uniformly plated in the dedicated oil meter face on the outside of the honeycomb groove on polypropylene film, and
Make its surfacing, and the mode being deposited is by the way of fine aluminium low square resistance；
C: being made capacitor chip by winding for metallized film obtained in step b, then by being cold-pressed, metal spraying, finally
Drying and shaping.
Preferably, the special oil in the step b uses benzyl toluene class alloyd oil.
Preferably, the drying temperature of the vacuum drier in the step a is 70-90 DEG C.
The beneficial effects of the present invention are:
In the present invention, by changing previous capacitor polypropylene film using traditional height oil shielding high Fang Fang of AM aluminum metallization zincification
A small amount of special oil is added during vapor deposition and does shielded layer to prevent pollution frequency band, avoids since oil mass is big for the method for resistance
And pollute frequency band, cause high-frequency loss and increase the phenomenon that Q value reduces, while a thin layer aluminium being deposited again and does electrode, to rise
To the effect of self-healing, since the loss value of its higher capacitor of Q value is lower, efficiency is higher, then is shielded and steamed using low oil
The double design of fine aluminium low square resistance is used during plating, to guarantee that the low-loss characteristic of high q-factor, and the process may be implemented in capacitor
Easy processing, cost is relatively low, and power factor is higher, meets the urgent need of current wireless charging.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of high q-factor capacitor of the present invention；
Fig. 2 is the side sectional view of polypropylene film of the present invention；
Fig. 3 is the cross-sectional view of capacitor case of the present invention；
Fig. 4 is the cross-sectional view of polypropylene film of the present invention；
Appended drawing reference: 1- capacitor case；2- tinned wird；3- aluminium foil；4- first screen layer；5- stays side；6- polypropylene film；
7- secondary shielding layer；8- honeycomb groove；9- epoxide-resin glue；10- capacitor body.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiments and the drawings are closed, the present invention is further explained, and however, the following embodiments are merely preferred embodiments of the present invention, not
All.Based on the implementation example in the implementation mode, those skilled in the art are obtained without making creative work
Other embodiments belong to protection scope of the present invention.
Specific embodiments of the present invention are described with reference to the accompanying drawing.
Embodiment 1
As shown in Figs 1-4, a kind of novel high q-factor capacitor, including capacitor body 10, capacitor case 1 and tinned wird 2,
Insulating layer polypropylene film 6 is provided in capacitor body 10, and the two sides of polypropylene film 6 pass through a small amount of shielding oil of addition
First screen layer 4 and secondary shielding layer 7 are done, first screen layer 4 and the top of secondary shielding layer 7 offer honeycomb groove 8, gather
The side of Polypropylene film 6 and be located at honeycomb groove 8 outside one layer of aluminium foil 3, and polypropylene film 6 are plated by vacuum evaporation
Side be located at the side of aluminium foil 3 and be provided with and stay side 5；The inside of capacitor case 1 is bonded with capacitor by epoxide-resin glue 9
Fuse 10, and epoxide-resin glue 9 is uniformly filled between capacitor case 1 and capacitor body 10, the one of capacitor case 1
Tinned wird 2 is drawn from the inside of capacitor body 10 and is used as pin in side.
6 thickness of polypropylene film is by 5 μ to 50 μ, and polypropylene film 6 has biaxial tension characteristic.First screen layer
4 is equal with width with the length of aluminium foil 3 with the length of secondary shielding layer 7 with width, and the length of aluminium foil 3 adds the length for staying side 5
The equal length of degree and polypropylene film 6.Capacitor case 1 is made of heat-resisting material.
The two sides of polypropylene film 6 are offered into honeycomb groove 8, and the size of honeycomb groove 8 and aluminium foil 3 first
It is in the same size, a small amount of shielding oil then is added to the inside of honeycomb groove 8 and does first screen layer 4 and secondary shielding layer 7, and
By on aluminium foil 3 uniformly tiling to one of shielded layer, then by way of winding, polypropylene film 6 is driven to carry out
Even winding, winding form capacitor body 10 after the completion, which are placed in inside capacitor case 1, and will be electric
It injects epoxide-resin glue 9 between container fuse 10 and capacitor case 1 to connect, then drawing tinned wird 2 can be completed
The high q-factor capacitor.
Embodiment 2
A kind of processing technology of the vacuum evaporation of novel high q-factor capacitor, includes the following steps: a: polypropylene film pretreatment:
Polypropylene film is placed in deionized water first and impregnates 0.5-1h, is then taken out, is tiled, be placed in vacuum drier into
Then row high temperature drying, drying time 20-40min are carrying out sided corona treatment, the two sides of polypropylene film are offered honeycomb
The groove of shape；
B: vapor deposition: polypropylene film is placed in the vacuum chamber after cleaning first, and heats polypropylene film under vacuum, makes it
The desorbing gas of surface attachment, then discharges it in vacuum chamber, improves the purity of vapor deposition, then by taking a small amount of special oil
In uniform tiling to the honeycomb groove of polypropylene film two sides, shielded layer use is done, aluminium foil is then heated by electron beam
And melting, and the aluminium foil after melting is uniformly plated in the dedicated oil meter face on the outside of the honeycomb groove on polypropylene film, and
Make its surfacing, and the mode being deposited is by the way of fine aluminium low square resistance；
C: being made capacitor chip by winding for metallized film obtained in step b, then by being cold-pressed, metal spraying, finally
Drying and shaping.
Special oil in step b uses benzyl toluene class alloyd oil.The drying temperature of vacuum drier in step a is
70-90℃。
Embodiment 3
A kind of processing technology of the vacuum evaporation of novel high q-factor capacitor, includes the following steps: a: polypropylene film pretreatment:
Polypropylene film is placed in deionized water first and impregnates 0.5-1h, is then taken out, is tiled, be placed in vacuum drier into
Then row high temperature drying, drying time 20-40min are carrying out sided corona treatment, the two sides of polypropylene film are offered honeycomb
The groove of shape；
B: vapor deposition: polypropylene film is placed in the vacuum chamber after cleaning first, and heats polypropylene film under vacuum, makes it
The desorbing gas of surface attachment, then discharges it in vacuum chamber, improves the purity of vapor deposition, then passes through electron beam heating melting
Aluminum and zinc, and the aluminum and zinc after melting is uniformly plated in the dedicated oil meter face on the outside of the honeycomb groove on polypropylene film,
And make its surfacing, and the mode being deposited is by the way of non-fine aluminium high square resistance；
C: being made capacitor chip by winding for metallized film obtained in step b, then by being cold-pressed, metal spraying, finally
Drying and shaping.
The drying temperature of vacuum drier in step a is 70-90 DEG C.
By detecting to a kind of novel high q-factor capacitor made by embodiment 2-3, following testing result is obtained:
| Test item | Embodiment 2 | Embodiment 3 |
| Q value (quality factor) | 800 | 500 |
| The proportion of goods damageds | 10% | 15% |
Analyze experimental data:
Tiling has special oil on the honeycomb groove of polypropylene film two sides in embodiment 2, and the special oil is benzyl toluene
Class alloyd oil, and capacitor is made by the way of fine aluminium low square resistance and is subject to using removing polypropylene film two sides in embodiment 3
Honeycomb groove on special oil, and using aluminum and zinc mixing and high square resistance by the way of be made capacitor be subject to use, use
During, through detecting, in embodiment 2 the Q value (quality factor) of capacitor be greater than embodiment 3 in capacitor Q value (quality because
Number), and the proportion of goods damageds of capacitor are less than the proportion of goods damageds of capacitor in embodiment 3 in embodiment 2.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (7)
1. a kind of novel high q-factor capacitor, including capacitor body (10), capacitor case (1) and tinned wird (2), special
Sign is:
It is provided with insulating layer polypropylene film (6) in the capacitor body (10), and the two sides of polypropylene film (6) pass through
A small amount of shielding oil is added and does first screen layer (4) and secondary shielding layer (7), the top of first screen layer (4) and secondary shielding layer (7)
Portion offers honeycomb groove (8), and the side of the polypropylene film (6) and the outside for being located at honeycomb groove (8) pass through true
Sky plates one layer of aluminium foil (3), and the side of polypropylene film (6) is located at the side of aluminium foil (3) and is provided with and stays side (5)；
The inside of the capacitor case (1) is bonded with the capacitor body (10) by epoxide-resin glue (9), and asphalt mixtures modified by epoxy resin
Rouge glue (9) is uniformly filled between capacitor case (1) and capacitor body (10), the side of the capacitor case (1)
The tinned wird (2), which is drawn, from the inside of capacitor body (10) is used as pin.
2. a kind of novel high q-factor capacitor according to claim 1, it is characterised in that: polypropylene film (6) thickness
By 5 μ to 50 μ, and polypropylene film (6) has biaxial tension characteristic.
3. a kind of novel high q-factor capacitor according to claim 1, it is characterised in that: the first screen layer (4) and the
The length of two shielded layers (7) is equal with width with the length of aluminium foil (3) with width, and the length of the aluminium foil (3), which adds, stays side
(5) equal length of length and polypropylene film (6).
4. a kind of novel high q-factor capacitor according to claim 1, it is characterised in that: the capacitor case (1) uses
Heat-resisting material is made.
5. the processing technology of vacuum evaporation according to claim 1, characterized by the following steps:
A: polypropylene film: being placed in deionized water impregnate 0.5-1h first, be then taken out by polypropylene film pretreatment,
Tiling is placed in vacuum drier and carries out high temperature drying, drying time 20-40min, is then carrying out sided corona treatment, will gather
The two sides of Polypropylene film offer cellular groove；
B: vapor deposition: polypropylene film is placed in the vacuum chamber after cleaning first, and heats polypropylene film under vacuum, makes it
The desorbing gas of surface attachment, then discharges it in vacuum chamber, improves the purity of vapor deposition, then by taking a small amount of special oil
In uniform tiling to the honeycomb groove of polypropylene film two sides, shielded layer use is done, aluminium foil is then heated by electron beam
And melting, and the aluminium foil after melting is uniformly plated in the dedicated oil meter face on the outside of the honeycomb groove on polypropylene film, and
Make its surfacing, and the mode being deposited is by the way of fine aluminium low square resistance；
C: being made capacitor chip by winding for metallized film obtained in step b, then by being cold-pressed, metal spraying, finally
Drying and shaping.
6. the processing technology of vacuum evaporation according to claim 4, it is characterised in that: the special oil in step b is adopted
With benzyl toluene class alloyd oil.
7. the processing technology of vacuum evaporation according to claim 4, it is characterised in that: vacuum drier in step a
Drying temperature is 70-90 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910108723.6A CN109786109B (en) | 2019-02-03 | Novel high Q value capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910108723.6A CN109786109B (en) | 2019-02-03 | Novel high Q value capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109786109A true CN109786109A (en) | 2019-05-21 |
| CN109786109B CN109786109B (en) | 2024-10-22 |
Family
ID=
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071665A (en) * | 2020-08-26 | 2020-12-11 | 黄山申格电子科技股份有限公司 | Metal spraying heat setting process for automobile electrically-driven capacitor core |
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| FR1517640A (en) * | 1967-04-05 | 1968-03-15 | New manufacturing processes for solid electrolyte capacitors | |
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| CN109273264A (en) * | 2018-08-21 | 2019-01-25 | 安徽飞达电气科技有限公司 | A kind of high-voltage mutual inductor high voltage thin film capacitor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB626620A (en) * | 1944-09-01 | 1949-07-19 | British Thomson Houston Co Ltd | Improvements in and relating to high-frequency electric capacitors |
| FR1517640A (en) * | 1967-04-05 | 1968-03-15 | New manufacturing processes for solid electrolyte capacitors | |
| JPH10189382A (en) * | 1996-12-20 | 1998-07-21 | Mitsubishi Shindoh Co Ltd | Zinc deposition film and metallization film capacitor |
| US6018454A (en) * | 1997-04-25 | 2000-01-25 | Toray Industries, Inc. | Metallized film, a production method thereof, and a capacitor using it |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071665A (en) * | 2020-08-26 | 2020-12-11 | 黄山申格电子科技股份有限公司 | Metal spraying heat setting process for automobile electrically-driven capacitor core |
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