CN107331510B - A kind of rail transit locomotive metallized film and its processing technology - Google Patents
A kind of rail transit locomotive metallized film and its processing technology Download PDFInfo
- Publication number
- CN107331510B CN107331510B CN201710570732.8A CN201710570732A CN107331510B CN 107331510 B CN107331510 B CN 107331510B CN 201710570732 A CN201710570732 A CN 201710570732A CN 107331510 B CN107331510 B CN 107331510B
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- Prior art keywords
- basement membrane
- insulating basement
- oil
- coating equipment
- rail transit
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 19
- 239000011104 metalized film Substances 0.000 title claims abstract description 19
- 238000012545 processing Methods 0.000 title claims abstract description 18
- 238000005516 engineering process Methods 0.000 title abstract description 7
- 210000002469 basement membrane Anatomy 0.000 claims abstract description 44
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000011135 tin Substances 0.000 claims abstract description 38
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 36
- 239000004411 aluminium Substances 0.000 claims abstract description 35
- 239000011248 coating agent Substances 0.000 claims abstract description 17
- 238000000576 coating method Methods 0.000 claims abstract description 17
- 238000007740 vapor deposition Methods 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 47
- 229910052718 tin Inorganic materials 0.000 claims description 36
- 238000005269 aluminizing Methods 0.000 claims description 25
- 238000001771 vacuum deposition Methods 0.000 claims description 24
- 239000010408 film Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000007738 vacuum evaporation Methods 0.000 claims description 6
- 239000005662 Paraffin oil Substances 0.000 claims description 4
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 4
- 239000010702 perfluoropolyether Substances 0.000 claims description 4
- 229920002545 silicone oil Polymers 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920006289 polycarbonate film Polymers 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 238000012805 post-processing Methods 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 229920006269 PPS film Polymers 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 24
- 239000003990 capacitor Substances 0.000 abstract description 10
- 238000004146 energy storage Methods 0.000 abstract description 4
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 229910006404 SnO 2 Inorganic materials 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc 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
- H01G4/33—Thin- or thick-film capacitors
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/04—Coating on selected surface areas, e.g. using masks
- C23C14/042—Coating on selected surface areas, e.g. using masks using masks
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/20—Metallic material, boron or silicon on organic substrates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/02—Machines for winding 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
- H01G4/32—Wound capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The present invention relates to a kind of rail transit locomotive metallized film and its processing technologys, are pre-processed by insulating basement membrane, aluminium coated, insulating basement membrane secondary treatment is made in first vapor deposition, secondary vapor deposition is combined tin coating on aluminium coated.Tin coating effectively can stop aluminium coated to be oxidized, and when working under ac high-voltage high current, the capacity that not will lead to capacitor declines rapidly.Even if there is insulation fault on insulating basement membrane, the capacity of subsequent capacitance device will not be impacted；Even if self-healing occurs, multilayer insulation basement membrane Continuous Breakdown will not be caused, to avoid the generation of extensive burn phenomenon.Therefore, capacitor, which is made, in metallized film winding of the present invention can be widely used in rail transit locomotive as energy storage component.
Description
Technical field
The present invention relates to a kind of rail transit locomotive metallized film and its processing technologys, belong to capacitor technology neck
Domain.
Background technique
Urban track traffic refer to fast, speed big with freight volume, safety, on schedule, protection environment, energy saving and land used etc.
Mode of transportation of feature, including subway, light rail, magnetic suspension, fast rail, tramcar, new traffic system etc..Therefore, in city rail
New energy is comprehensively utilized in road technical field of transportation also becomes the growth requirement of future city rail traffic.In chinese national standard
In " urban public transport major terms term ", urban track traffic is defined as " usually using electric energy as power, wheel track to be taken to transport
Turn the general name of the quick large conveying quantity public transport of mode."
In rail transit locomotive, it usually needs it is transmitted electric power using AC high voltage to rail transit locomotive, then plus
The energy storage component using large capacity, high current is often needed on upper rail traffic locomotive；As separated by direct communication, coupling, bypass, filter
The capacitor of wave, resonant tank, energy conversion, control etc. is essential Important Components.Thin film capacitor is due to having
Many excellent characteristics, therefore be a kind of capacitor of excellent performance.Now common metallized film is steamed on insulating basement membrane
One layer of aluminium coated is plated, metallized film of aluminizing has preferable adhesion property, and production process is easily handled.But plating aluminum metal
Change film to be oxidized easily and formed with aluminum oxide compact oxidation layer as the main component in air, although the oxide layer energy
When enough metallized film being prevented further to be oxidized, but worked under ac high-voltage high current, which will lead to capacitor
The capacity of device declines rapidly.Therefore, metallic film capacitor is not will use in rail transit locomotive at present as energy storage member
Device.
Summary of the invention
The present invention is in view of the deficienciess of the prior art, providing a kind of rail transit locomotive metallized film and its adding
Work technique, specific technical solution are as follows:
A kind of rail transit locomotive metallized film, including insulating basement membrane, the coat of metal, blank stay side, the metal
Coating includes the aluminium coated that insulating basement membrane working face is arranged in, and aluminium coated is made of multiple rectangles unit of aluminizing, described to aluminize
Unit array distribution on insulating basement membrane working face is provided with gap between adjacent unit of aluminizing；The coat of metal further includes
It is covered on the tin coating for layer surface of aluminizing.
A kind of processing technology of rail transit locomotive metallized film, includes the following steps:
Step 1: insulating basement membrane pre-processes
To the first printing roller surface spraying shielding oil, insulation base to be processed is printed on for oil is shielded by the first print roller
The working face of film forms the first oil reservoir；Wherein, it is provided with the rectangle blank processing district in array distribution on the first oil reservoir, described
The surface of one print roller is provided with relief pattern one corresponding with preset blank processing district；
Step 2: first vapor deposition
The insulating basement membrane handled through step 1 is admitted in the first vacuum coating equipment, by metal in the first vacuum coating equipment
Working face of the aluminium using vacuum evaporation mode in insulating basement membrane forms aluminium coated；Wherein, in the first vacuum coating equipment: first is cold
But the operating temperature of roller is -3~0 DEG C, vacuum degree of the aluminium crucible heating temperature in 1590~1600 DEG C, the first vacuum coating equipment
For 0.04 ~ 0.05Pa；
Step 3: insulating basement membrane secondary treatment
The first oil reservoir on insulating basement membrane is removed, insulating basement membrane is then printed on for oil is shielded by the second print roller again
Two sides formed the second oil reservoir；Wherein, interval is provided between the second oil reservoir and aluminium coated, the surface of second print roller is set
It is equipped with and stays side and the corresponding relief pattern two of aluminium coated with preset blank；
Step 4: secondary vapor deposition
The insulating basement membrane handled through step 3 is admitted in the second vacuum coating equipment, by metal in the second vacuum coating equipment
Tin forms the tin coating for being covered on layer surface of aluminizing using vacuum evaporation mode on insulating basement membrane；Wherein, in the second Vacuum Deposition
In film machine: the operating temperature of the second chill roll is -1~1 DEG C, and tin crucible heating temperature is at 1495 ~ 1510 DEG C, the second vacuum coating
Vacuum degree in machine is 0.04 ~ 0.05Pa；
Step 5: post-processing
The second oil reservoir on insulating basement membrane is removed, then winds and gets product.
As an improvement of the above technical solution, the insulating basement membrane is that polypropylene film, polyester film, polyphenylene sulfide are thin
One of film, polycarbonate film.
As an improvement of the above technical solution, the shielding oil is silicone oil, fluorocarbon oil, paraffin oil, one in perfluoro polyether oil
Kind.
Beneficial effects of the present invention:
1), tin coating effectively can stop aluminium coated to be oxidized, and when working under ac high-voltage high current, not will lead to electricity
The capacity of container declines rapidly.
If 2), there is insulation fault on insulating basement membrane, which is not susceptible to puncture near insulation fault,
And meeting self-healing, the capacity of subsequent capacitance device will not be impacted；Even if self-healing occurs, multilayer insulation base will not be caused
Film Continuous Breakdown, to avoid the generation of extensive burn phenomenon.Therefore, capacitor is made in metallized film winding of the present invention
Device can be widely used in rail transit locomotive as energy storage component.
3), the first oil reservoir, the processing request of the second oil reservoir are low, and difficulty of processing is low, and processing cost significantly reduces.
Detailed description of the invention
Fig. 1 is the first oil reservoir structural schematic diagram of the present invention；
Fig. 2 is schematic diagram of a layer structure of the present invention of aluminizing；
Fig. 3 is the second oil reservoir of the present invention and schematic diagram of a layer structure of aluminizing；
Fig. 4 is tin plating schematic diagram of a layer structure of the present invention；
Fig. 5 is A-A view in Fig. 4.
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.
Rail transit locomotive metallized film processing technology, includes the following steps:
Step 1: insulating basement membrane pre-processes
To the first printing roller surface spraying shielding oil, insulation base to be processed is printed on for oil is shielded by the first print roller
The working face of film 1 forms the first oil reservoir 2, as shown in Figure 1；Wherein, the rectangle blank in array distribution is provided on the first oil reservoir 2
Processing district 21, the surface of first print roller are provided with relief pattern one corresponding with preset blank processing district 21.Institute
Stating insulating basement membrane 1 is one of polypropylene film, polyester film, PPS films, polycarbonate film.The shielding oil
It is one of silicone oil, fluorocarbon oil, paraffin oil, perfluoro polyether oil.
Step 2: first vapor deposition
The insulating basement membrane 1 handled through step 1 is admitted in the first vacuum coating equipment, will be golden in the first vacuum coating equipment
Belong to working face of the aluminium using vacuum evaporation mode in insulating basement membrane 1 and form aluminium coated 3, as shown in Figure 2；Wherein, in the first vacuum
In coating machine: the operating temperature of the first chill roll is -3~0 DEG C, and aluminium crucible heating temperature is at 1590 ~ 1600 DEG C, the first Vacuum Deposition
Vacuum degree in film machine is 0.04 ~ 0.05Pa.
Aluminium coated 3 is made of multiple rectangles unit 31 of aluminizing, and aluminum vapor is cooled into after having filled blank processing district 21
It aluminizes unit 31, the array distribution on 1 working face of insulating basement membrane of unit 31 of aluminizing, the spacing between adjacent unit 31 of aluminizing
It is 4 ~ 6 millimeters.Due to aluminizing, 31 structure of unit is simple, and the spacing between adjacent unit 31 of aluminizing is larger, and machining accuracy is millimeter
Grade, difficulty of processing are lower than the difficulty of processing of T-type metal metallized safety film, diamond-type metal safety diaphragm.
Step 3: insulating basement membrane secondary treatment
The first oil reservoir 2 on insulating basement membrane 1 is removed, insulation base is then printed on for oil is shielded by the second print roller again
The two sides of film 1 form the second oil reservoir 4, as shown in Figure 3；Wherein, be provided with interval between the second oil reservoir 4 and aluminium coated 3, this be for
" capillarity " is avoided to influence the integrality of second oil reservoir 4；If the second oil reservoir 4 is contacted with aluminium coated 3, adjacent list of aluminizing
It is next that gap between member 31 can attract the shielding oil of a part to spread through, so that the integrality of the second oil reservoir 4 is destroyed, after causing
A large amount of cavity, insulation fault are also easy to produce when continuous vacuum coating；The surface of second print roller is provided with and preset blank
Stay side 11 and the corresponding relief pattern two of aluminium coated 3.The shielding oil be silicone oil, fluorocarbon oil, paraffin oil, in perfluoro polyether oil
It is a kind of.
Step 4: secondary vapor deposition
The insulating basement membrane 1 handled through step 3 is admitted in the second vacuum coating equipment, will be golden in the second vacuum coating equipment
Belong to tin and the tin coating 5 for being covered on 3 surface of aluminium coated is formed on insulating basement membrane 1 using vacuum evaporation mode, as shown in Figure 4,5；
Wherein, in the second vacuum coating equipment: the operating temperature of the second chill roll is -1~1 DEG C, tin crucible heating temperature 1495~
1510 DEG C, the vacuum degree in the second vacuum coating equipment is 0.04 ~ 0.05Pa.
Step 5: post-processing
The second oil reservoir 4 on insulating basement membrane 1 is removed, then winds and gets product.
In the above-described embodiments, the presence of aluminium coated 3 remains tradition and aluminizes metallized film excellent adhesion energy and life
The advantages of production process is easily handled.All units 31 of aluminizing are connected into one and led by the tin bar being embedded between unit 31 of aluminizing
Electric layer, the presence of the tin bar not only increase the contact area between tin coating 5 and aluminium coated 3, so that tin coating 5 and aluminium coated
Binding force between 3 significantly improves；Tin coating 5 is made of metallic tin, even if metallic tin is oxidized to SnO 2 thin film, oxidation
The chemical stability of tin thin film is good, and conductive energy, tin coating 5 and SnO 2 thin film can effectively stop to plate as protective film
Aluminium layer 3 is oxidized, and when working under ac high-voltage high current, the capacity which not will lead to capacitor is rapid
Decline.
Meanwhile the molten boiling point of tin is than the molten low boiling point of aluminium, along with the presence of aluminium coated 3, therefore on tin coating 5 very
Hardly possible forms insulation fault；When rail transit locomotive metallized film of the present invention insulate fault due to existing, if this is absolutely
When edge fault is between adjacent unit 31 of aluminizing, two interpolar of insulation fault occur short circuit phenomenon, while and generate compared with
Big short circuit current, and the width of tin bar is 4 ~ 6 millimeters, for unit 31 of aluminizing, the resistance of tin bar is larger, adds
The fusing point of tin only has 231.9 DEG C, more much lower than metals such as aluminium, zinc, silver, tin bar and neighbouring tin coating 5 at the insulation fault
It is fused into tin liquor, tin liquor can be filled into rapidly the insulation fault and promote the insulation fault self-healing, relative to conventional insulator
Fault generates biggish short circuit current to form the metal layer in the insulation fault neighboring area to evaporating in self-healing procedure
Open circuit makes for condenser capacity decline, and the insulation fault at tin bar of the present invention can be repaired voluntarily accident occurs
It is multiple, it not will cause the decline of subsequent capacitance device capacity, only will affect the volume resistance at this.When the insulation fault is positioned at a certain
When block is aluminized on unit 31: if the area of the insulation fault is small or insulation degree is lower, being covered on this and aluminize on unit 31
Tin coating 5 can be fused into tin liquor one step ahead, tin liquor can be filled into rapidly the insulation fault and the insulation fault is promoted voluntarily to repair
It is multiple, it not will cause the decline of subsequent capacitance device capacity；If the area of the insulation fault is larger or insulation degree is higher, insulate defect
Tin layers near point can be melted rapidly, evaporate, while easily assemble a large amount of charge at the tip for unit 31 of aluminizing, so that with plating
Electric current on the tin bar of the nib contacts of aluminium unit 31 also increases with it, along with the resistance for unit 31 of aluminizing is less than tin bar and aluminium
Molten boiling point be less than tin, therefore 31 attachment of unit of aluminizing four tin bars can rapid melting, evaporation so that this is aluminized unit 31
With others aluminize unit 31 disconnect formed open circuit, avoid occur 1 Continuous Breakdown of multilayer insulation basement membrane, thus avoid large area burn
Hurt the generation of phenomenon.
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 (3)
1. a kind of rail transit locomotive metallized film, including insulating basement membrane, the coat of metal, blank stay side, it is characterised in that:
The coat of metal includes the aluminium coated that insulating basement membrane working face is arranged in, and aluminium coated is made of multiple rectangles unit of aluminizing,
Unit array distribution on insulating basement membrane working face of aluminizing, is provided with gap between adjacent unit of aluminizing；The metal-plated
Layer further includes the tin coating for being covered on layer surface of aluminizing；
The rail transit locomotive is processed into metallized film by following technique:
Step 1: insulating basement membrane pre-processes
To the first printing roller surface spraying shielding oil, insulating basement membrane to be processed is printed on for oil is shielded by the first print roller
Working face forms the first oil reservoir；Wherein, the rectangle blank processing district in array distribution, first print are provided on the first oil reservoir
The surface of brush roll is provided with relief pattern one corresponding with preset blank processing district；
Step 2: first vapor deposition
The insulating basement membrane handled through step 1 is admitted in the first vacuum coating equipment, adopts metallic aluminium in the first vacuum coating equipment
Working face with vacuum evaporation mode in insulating basement membrane forms aluminium coated；Wherein, in the first vacuum coating equipment: the first chill roll
Operating temperature be -3~0 DEG C, vacuum degree of the aluminium crucible heating temperature in 1590~1600 DEG C, the first vacuum coating equipment be
0.04~0.05Pa；
Step 3: insulating basement membrane secondary treatment
The first oil reservoir on insulating basement membrane is removed, is then printed on the two of insulating basement membrane for oil is shielded by the second print roller again
Side forms the second oil reservoir；Wherein, interval is provided between the second oil reservoir and aluminium coated, the surface of second print roller is provided with
Side and the corresponding relief pattern two of aluminium coated are stayed with preset blank；
Step 4: secondary vapor deposition
The insulating basement membrane handled through step 3 is admitted in the second vacuum coating equipment, adopts metallic tin in the second vacuum coating equipment
The tin coating for being covered on layer surface of aluminizing is formed on insulating basement membrane with vacuum evaporation mode；Wherein, in the second vacuum coating equipment
In: the operating temperature of the second chill roll is -1~1 DEG C, and tin crucible heating temperature is at 1495~1510 DEG C, the second vacuum coating equipment
Interior vacuum degree is 0.04~0.05Pa；
Step 5: post-processing
The second oil reservoir on insulating basement membrane is removed, then winds and gets product.
2. a kind of rail transit locomotive metallized film according to claim 1, it is characterised in that: the insulating basement membrane
For one of polypropylene film, polyester film, PPS films, polycarbonate film.
3. a kind of rail transit locomotive metallized film according to claim 1, it is characterised in that: the shielding oil is
One of silicone oil, fluorocarbon oil, paraffin oil, perfluoro polyether oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570732.8A CN107331510B (en) | 2017-07-13 | 2017-07-13 | A kind of rail transit locomotive metallized film and its processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570732.8A CN107331510B (en) | 2017-07-13 | 2017-07-13 | A kind of rail transit locomotive metallized film and its processing technology |
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| Publication Number | Publication Date |
|---|---|
| CN107331510A CN107331510A (en) | 2017-11-07 |
| CN107331510B true CN107331510B (en) | 2018-12-21 |
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| CN201710570732.8A Withdrawn - After Issue CN107331510B (en) | 2017-07-13 | 2017-07-13 | A kind of rail transit locomotive metallized film and its processing technology |
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| CN109461580B (en) * | 2018-11-05 | 2021-01-29 | 铜陵市超越电子有限公司 | Improved generation new forms of energy metallized film for condenser |
| WO2020132782A1 (en) * | 2018-12-24 | 2020-07-02 | 六和电子（江西）有限公司 | Shielding oil pad printing device for metalized safety film and pad printing method thereof |
| CN110364358A (en) * | 2019-08-08 | 2019-10-22 | 安徽省宁国市海伟电子有限公司 | A kind of high conductivity anti-explosion safety film |
| CN110767449A (en) * | 2019-09-29 | 2020-02-07 | 浙江七星电子股份有限公司 | Single-side single-edge-left aluminum metalized film with thickened aluminum edge and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101295581A (en) * | 2007-04-28 | 2008-10-29 | 上海奥移电器有限公司 | All-aluminum thickened thin film for metalized capacitor |
| CN103578751A (en) * | 2013-10-15 | 2014-02-12 | 铜陵其利电子材料有限公司 | Small-width metallized plating membrane for capacitor |
| CN203931816U (en) * | 2014-06-16 | 2014-11-05 | 安徽省宁国市海伟电子有限公司 | Sectional type metalized film |
| CN204809038U (en) * | 2015-07-22 | 2015-11-25 | 南通百正电子新材料股份有限公司 | Ladder side hinders capacitor membrane |
| CN106206014A (en) * | 2016-06-27 | 2016-12-07 | 安徽赛福电子有限公司 | A kind of metal metallized safety thin film of high effective area |
| CN106298242B (en) * | 2016-09-30 | 2018-09-25 | 铜陵市超越电子有限公司 | A kind of metallized film production technology |
| CN206312763U (en) * | 2016-12-15 | 2017-07-07 | 东莞市纬迪实业有限公司 | Metallic film capacitor |
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2017
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