CN108899206A - Dry type rail transit locomotive energy-storage capacitor and preparation method thereof - Google Patents
Dry type rail transit locomotive energy-storage capacitor and preparation method thereof Download PDFInfo
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- CN108899206A CN108899206A CN201810760721.0A CN201810760721A CN108899206A CN 108899206 A CN108899206 A CN 108899206A CN 201810760721 A CN201810760721 A CN 201810760721A CN 108899206 A CN108899206 A CN 108899206A
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- 239000011104 metalized film Substances 0.000 claims description 28
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- 238000007740 vapor deposition Methods 0.000 claims description 21
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 claims description 20
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Classifications
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- 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
- H01G13/003—Apparatus or processes for encapsulating capacitors
-
- 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
- H01G13/006—Apparatus or processes for applying terminals
-
- 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
- H01G4/002—Details
- H01G4/005—Electrodes
- H01G4/008—Selection of materials
-
- 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
- H01G4/005—Electrodes
- H01G4/015—Special provisions for self-healing
-
- 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
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The present invention provides a kind of dry type rail transit locomotive energy-storage capacitor and preparation method thereof, is related to energy-storage capacitor technical field, in this method, it is first determined the electric parameter of dry type rail transit locomotive energy-storage capacitor to be prepared；Electric parameter includes at least：Operating current virtual value, loss tangent, voltage rating, maximum impact electric current；It is then based on above-mentioned electric parameter, chooses the element material and preparation process of dry type rail transit locomotive energy-storage capacitor to be prepared, and according to preparation process, element material is processed, obtains the sample of dry type rail transit locomotive energy-storage capacitor to be prepared.The present invention can be according to the concrete condition of actual track locomotive, determine every electric parameter of need capacitor to be prepared, based on the electric parameter, to material is prepared and preparation process is selected and prepared, the dry type rail transit locomotive energy-storage capacitor of meet demand is obtained.
Description
Technical field
The present invention relates to energy-storage capacitor technical fields, more particularly, to a kind of dry type rail transit locomotive energy-storage capacitor
And preparation method thereof.
Background technique
In recent years, urban rail transit in China development is advanced by leaps and bounds, and subway, high-speed rail, motor-car etc. are at main means of transport.
Rail transit locomotive capacitor is device element important in track vehicle.And the manufacturing technology of this capacitor country is also
It rests in the level of traditional power capacitor.Have capacitor producer few in number start research and develop and manufacture experimently, volume production it is super
Capacitor, but technology and material technology etc. can't also need a large amount of imports compared with advanced foreign technology, so research and development are suitable for
The capacitor of rail locomotive is extremely urgent.
Rail locomotive capacitor is from technical principle level, different from static AC power capacitor, also different from
General DC filtering power capacitor, its working condition are in the case where there is fixed frequency Switching Condition, as shown in Figure 1, when electricity
When motivation accelerates, electrical power passes through rectifier --- inverter --- from AC power source and is conveyed to motor, accelerates locomotive；Separately
On the one hand, the kinetic energy not yet discharged motor under locomotive deceleration or halted state is rectified from motor --- inverter ---
Device returns to AC power source, makes locomotive deceleration.The capacitor is as energy-storage travelling wave tube, in silicon-controlled chopper circuit, plays inverse transformation
Stream effect, ceaselessly converting electrical energy, guarantees normal vehicle operation, and the reliability requirement of capacitor necessarily is greater than other capacitors
Device.
In existing capacitor, traditional oil immersed type direct current power capacitor, volume is heavy, easy to pollute, and to the big electricity of high pressure
Stream has inadaptability, and supercapacitor is expensive, technique is immature and very strong to the dependence of import.Therefore, it is
The market needs for meeting existing locomotive equipment, there is an urgent need between traditional oil immersed type capacitor and supercapacitor to electric power
Energy-storage capacitor is innovated.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of dry type rail transit locomotive energy-storage capacitor and its preparation sides
Method can determine the every electric parameter for needing capacitor to be prepared according to the concrete condition of practical locomotive, electrical based on this
Parameter obtains the dry type rail transit locomotive energy storage electricity of meet demand to material is prepared and preparation process is selected and prepared
Container.
In a first aspect, the embodiment of the invention provides a kind of dry type rail transit locomotive energy-storage capacitor preparation method, packet
It includes：
Determine the electric parameter of dry type rail transit locomotive energy-storage capacitor to be prepared；Electric parameter includes at least：Work
Current effective value, loss tangent, voltage rating, maximum impact electric current；
Based on electric parameter, the element material and preparation work of dry type rail transit locomotive energy-storage capacitor to be prepared are chosen
Skill, and according to preparation process, element material is processed, the sample of dry type rail transit locomotive energy-storage capacitor to be prepared is obtained
Product.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein base
In electric parameter, the element material and preparation process of dry type rail transit locomotive energy-storage capacitor to be prepared are chosen, and according to system
Standby technique, processes element material, obtains the sample of dry type rail transit locomotive energy-storage capacitor to be prepared, specific to wrap
It includes：
Import polypropylene film material is chosen, two layers of polypropylene film is prepared, as dry type rail transit locomotive to be prepared
The dielectric of energy-storage capacitor；
The evaporated metal layer on every layer polypropylene film；The material of metal layer is allumen；The area of metal layer is less than
The area of polypropylene film forms reserved side in the side of polypropylene film；
Using trapezoidal coating technique, thickening processing is carried out to the one side edge of the metal layer opposite with reserved side, obtains two
The metallized film for the vapor deposition zinc-aluminium layer that block edge thickeies；
The metallized film for the vapor deposition zinc-aluminium layer that two block edges are thickeied, is bonded back-to-back using polypropylene film as contact surface
Together；
Using metal spraying technique, shape is distinguished in the metal layer side of the metallized film for the vapor deposition zinc-aluminium layer that two block edges thicken
At one layer of gilding layer, metalized film is formed；
Two contact conductors of dry type rail transit locomotive energy-storage capacitor to be prepared are drawn from gilding layer；
Metalized film is wound on the winder, forms the member of dry type rail transit locomotive energy-storage capacitor to be prepared
Part fuse；
It is filled between element fuse and outer steel box using insulating mineral matter, obtains dry type rail transit locomotive storage to be prepared
The sample of energy capacitor.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein poly-
Polypropylene film film thickness is 0.01-0.035 μm；Metal layer thickness is 0.01 μm.
With reference to first aspect, the embodiment of the invention provides the third possible embodiments of first aspect, wherein right
After the one side edge of the metal layer opposite with reserved side carries out thickening processing, reinforcement width is 2~4mm, and thickness ratio does not thicken
Part increases by 0.5~2 times.
With reference to first aspect, the embodiment of the invention provides the 4th kind of possible embodiments of first aspect, wherein spray
The material of layer gold is allumen；Zinc-aluminium quality proportioning in allumen is 5：5.
With reference to first aspect, the embodiment of the invention provides the 4th kind of possible embodiments of first aspect, wherein gold
Belonging to layer is in grid structure.
Second aspect, the embodiment of the present invention provide a kind of electricity of the dry type rail transit locomotive energy storage according to first aspect
The dry type rail transit locomotive energy-storage capacitor that container preparation method is prepared, including：Element fuse and outer steel box；
Insulating mineral matter is filled between element fuse and outer steel box；
The extraction electrode lead from element fuse；
Element fuse includes：The capacitor body of the rolled formation of metalized film；
Metalized film includes：Two pieces of heavy-edge vapor depositions to be fit together back-to-back using polypropylene film as contact surface
The metallized film of zinc-aluminium layer and two gilding layers；
It is heavy-edge vapor deposition zinc-aluminium layer metallized film include：Polypropylene film and vapor deposition are on polypropylene film
Metal layer；The area of metal layer is less than the area of polypropylene film, forms reserved side in the side of polypropylene film；With reserved side
The one side edge of opposite metal layer is handled by thickening；Metal layer is in network；
Two gilding layers are overlying on metal layer respectively；The material of metal layer and gilding layer is allumen.
In conjunction with second aspect, the embodiment of the invention provides the first possible embodiments of second aspect, wherein poly-
Polypropylene film film thickness is 0.01-0.035 μm；Metal layer thickness is 0.01 μm.
In conjunction with second aspect, the embodiment of the invention provides second of possible embodiments of second aspect, wherein warp
Crossing the reinforcement width for thickening and handling is 2~4mm, and thickness increases by 0.5~2 times than non-reinforcement.
In conjunction with second aspect, the embodiment of the invention provides the third possible embodiments of second aspect, wherein spray
Zinc-aluminium quality proportioning in the allumen of layer gold is 5：5.
The embodiment of the present invention brings following beneficial effect：
In the dry type rail transit locomotive energy-storage capacitor preparation method provided by the embodiment of the present invention, it is first determined to
Prepare the electric parameter of dry type rail transit locomotive energy-storage capacitor；Electric parameter includes：Operating current virtual value, loss angle are just
At least four are cut in value, resonance frequency, working frequency, voltage rating, peak point current, maximum impact electric current and condenser capacity；
It is then based on above-mentioned electric parameter, chooses the element material and preparation work of dry type rail transit locomotive energy-storage capacitor to be prepared
Skill, and according to preparation process, element material is processed, the sample of dry type rail transit locomotive energy-storage capacitor to be prepared is obtained
Product.The present invention can determine the every electric parameter for needing capacitor to be prepared, be based on according to the concrete condition of practical locomotive
The electric parameter obtains the dry type rail transit locomotive of meet demand to material is prepared and preparation process is selected and prepared
Energy-storage capacitor.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of dry type rail transit locomotive electrical energy conversion circuit in the prior art；
Fig. 2 is a kind of process for dry type rail transit locomotive energy-storage capacitor preparation method that the embodiment of the present invention one provides
Figure；
Fig. 3 is a kind of current waveform figure for rail locomotive capacitor that the embodiment of the present invention one provides；
Fig. 4 is the stream for another dry type rail transit locomotive energy-storage capacitor preparation method that the embodiment of the present invention one provides
Cheng Tu；
Evaporation film arrangement is shown in a kind of dry type rail transit locomotive energy-storage capacitor that Fig. 5 provides for the embodiment of the present invention one
It is intended to；
Fig. 6 is that a kind of dry type rail transit locomotive energy-storage capacitor inner core composition arrangement that the embodiment of the present invention one provides is cut
Face figure；
Lead and gilding layer in a kind of dry type rail transit locomotive energy-storage capacitor that Fig. 7 provides for the embodiment of the present invention one
Schematic diagram；
Fuse schematic diagram in a kind of dry type rail transit locomotive energy-storage capacitor that Fig. 8 provides for the embodiment of the present invention one.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
In existing capacitor, traditional oil immersed type direct current power capacitor, volume is heavy, easy to pollute, and to the big electricity of high pressure
Stream has inadaptability, and supercapacitor is expensive, technique is immature and very strong to the dependence of import.
Based on this, the embodiment of the present invention provides a kind of dry type rail transit locomotive energy-storage capacitor and preparation method thereof, energy
Enough concrete conditions according to practical locomotive determine the every electric parameter for needing capacitor to be prepared, are based on the electric parameter,
To material is prepared and preparation process is selected and prepared, the dry type rail transit locomotive energy-storage capacitor of meet demand is obtained.
For convenient for understanding the present embodiment, first to a kind of dry type rail traffic machine disclosed in the embodiment of the present invention
Vehicle energy-storage capacitor preparation method describes in detail.
Embodiment one：
It is shown in Figure 2 the embodiment of the invention provides a kind of dry type rail transit locomotive energy-storage capacitor preparation method,
This method includes：
S11：Determine the electric parameter of dry type rail transit locomotive energy-storage capacitor to be prepared.
Wherein, electric parameter includes at least：Operating current virtual value, loss tangent, voltage rating, maximum impact electricity
Stream.Further, it is also possible to be joined by other electric parameters such as resonance frequency, working frequency, peak point current and condenser capacity
It examines, so that it is determined that preparing technique and material used by capacitor.Specifically, according to the current waveform of practical locomotive capacitor and
Locomotive inverter circuit principle mandates and existing locomotive electric apparatus standard determine that every electric parameter of capacitor is as follows：
Shown in Figure 3, the present embodiment provides a kind of current waveform figures of rail locomotive capacitor, as seen from the figure：
Current maxima：Im=2500A；
Resonance frequency：Fx=615 μ s；
Period：T=8 × 10-3s；
Rail locomotive motor input voltage is 750V, inverter circuit input voltage 1500V；
Effective current and average current are gone out by theoretical formula method：
Wherein, T=8 × 10-3s；Ti=1/fx=615 × 10-6s；Im=2500A；
The capacity of capacitor is calculated by following formula：
Wherein：K is coefficient；Im is maximum (effective) electric current；tofFor break time；Um is maximum voltage.
It can determine that the electric parameter of dry type rail transit locomotive energy-storage capacitor to be prepared is as follows by above-mentioned calculating：
(1) the operating current virtual value of capacitor：500A；
(2) loss tangent：tanδ<0.004 (GB/T25121-2010 standard)；
(3) resonance frequency：1625Hz；
(4) working frequency：125Hz；
(5) voltage rating：1500V；
(6) peak point current：3000A；
(7) maximum impact electric current：7000A；
(8) condenser capacity：240μF.
S12：Based on electric parameter, element material and the preparation of dry type rail transit locomotive energy-storage capacitor to be prepared are chosen
Technique, and according to preparation process, element material is processed, dry type rail transit locomotive energy-storage capacitor to be prepared is obtained
Sample.
The present embodiment prepares material and technique progress using existing rail locomotive electric parameter standard as target, to capacitor
It improves, to meet the needs of rail locomotive.Specific capacitor preparation process includes the following steps, shown in Figure 4：
S121：Import polypropylene film material is chosen, two layers of polypropylene film is prepared, as dry type rail traffic to be prepared
The dielectric of locomotive energy-storage capacitor.
Specifically, choosing import polypropylene film material, is cut by made capacitor area requirement, obtain two stratas
Polypropylene film, film thickness is 0.01-0.035 μm, and controls the content of membrane chlor, avoids the chemical combination of incorporation polyvinyl chloride-base
Object, it is therefore an objective to meet the needs of the resistance to electric-field strength of element.
As a preferred implementation manner, in order to which the outer dimension to element optimizes, polypropylene film is prepared first
When, as far as possible in the case where keeping its area, compresses its width while increasing length, the width of the polypropylene film usually prepared
For 20-30cm.It can make in subsequent technique in this way, the effective width of the fuse wound shortens and diameter is made to become larger, to increase
Add the current carrying area of pole plate, increases through-current capability.
Design has following superiority in this way：According to the constitutional formula of capacitor：C=ε0εrThe metalized film of S/d, this structure are most
The width segments for measuring opposing metallic membrane area (long X wide) S in reduced width, that is, definition, in the condition of certain capacitance
Under, the extended length of examination paper is increased by the cylindrical radius of winding core in this way, can increase the current carrying area of pole plate, is increased logical
Stream ability and the metallic power loss for reducing pole plate.The contact area of gilding layer and metal electrode can be increased, reduce contact resistance
And contact loss.
S122：The evaporated metal layer on every layer polypropylene film；The material of metal layer is allumen；The area of metal layer
Less than the area of polypropylene film, reserved side is formed in the side of polypropylene film.
Specifically, electrode is formed with allumen vacuum evaporation, medium is made using metallized polypropylene film, metal layer
With a thickness of 0.01 μm, make capacitor that there is good self-healing property and capacitor stability；It is remote small near breakdown point after dielectric breakdown
In 1cm2In the range of electrode scorification evaporate, insulation performance self-healing recovery, only small capacitance loss.Traditional method is metal spraying
Material can only be Al, Zn simple substance, because different types of metal, under the action of electric field, the electrochemical corrosion of contact surface is deposited
In addition coating and metal spraying face contact are bad, it is be easy to causeing resistance to rush of current ability inadequate.Simple substance membrane capacitance is being run simultaneously
In due to pyroelectric effect, coating, which easily corrodes, to fall off, cause capacity to decline, loss increase, fever etc..So will in the present embodiment
Evaporation metal uses allumen instead, because of allumen self-healing property good conductivity.
Above-mentioned metal layer has grid structure, i.e., so-called " safety diaphragm ".Electrode is divided into many strippings and slicings, and (size is about
1cm2), it is interconnected by electric current door, is equivalent to fuse connection, saves traditional interior fusible link.As shown in figure 5, vapor deposition
The area of metal layer 2 is less than the area of polypropylene film 1, forms reserved side in the side of polypropylene film 1.
S123：Using trapezoidal coating technique, thickening processing is carried out to the one side edge of the metal layer opposite with reserved side, is obtained
The metallized film of the vapor deposition zinc-aluminium layer thickeied to two block edges.
For the ability for improving the impact of metalizing polypropylene thin film capacitor heavy current, in the present embodiment, using vapor deposition side
Edge thickeies technology, keeps pole plate part sheet resistance bigger, and gilding layer contact portion sheet resistance described below is small, and which solves certainly
More the contradiction of property and heavy current impact.And metal spraying material uses allumen identical with pole plate, and electrochemical corrosion is not present
The degree of injury of phenomenon, vacuum coating is also small.
Using heavy-edge trapezoidal coating technique.Metallization pole plate edge is thickeied.Reinforcement 21 (referring to Fig. 5) is wide
2~4mm, thickness increase by 0.5~2 times than rest part.Because of pole plate edge and metal spraying particle contact position highest current density, most easily
It is impaired.Can not only current density be made to reduce after thickening, it can also contacted with metal spraying particle better.
S124：The metallized film for the vapor deposition zinc-aluminium layer that two block edges are thickeied, leans against by contact surface of polypropylene film
Back fits together.
Shown in Figure 5, the metallized film of two pieces of symmetrical heavy-edge vapor deposition zinc-aluminium layers is with the row of reverse stack
Column mode fits together, and the thickness of such medium is twice of single-layer polypropylene film, enhances locomotive energy storage electricity in this way
The ability of the anti-harmonic wave high-voltage pulse of container.
S125：Using metal spraying technique, in the metal layer side of the metallized film for the vapor deposition zinc-aluminium layer that two block edges thicken
It is respectively formed one layer of gilding layer, forms metalized film.
Because metal spraying end in contact resistance is larger, part fever and I2R is directly proportional.What fever made to be in contact with metal spraying particle
The coat of metal falls off, and further makes deformation of media, capacitance can sharply decline, or even explode.Spray is improved in the present embodiment
Gold process contacts gilding layer with the coat of metal better.The improvement of metal spraying technique includes improvement (this implementation of gold spraying material ingredient
In example, the proportion of zinc-aluminium quality is 5 in allumen：5), temperature when metal spraying, distance, the pressure of metal spraying gas, compressed air
The control etc. of cleanliness has strict requirements.Unique metal spraying technique makes capacitor have good anti-ability of shoving.
S126：Two contact conductors of dry type rail transit locomotive energy-storage capacitor to be prepared are drawn from gilding layer.
Fig. 6 is dry type rail transit locomotive energy-storage capacitor inner core composition arrangement sectional view, wherein 11 is thin for polypropylene
Film, 12 be metal layer, and 13 be gilding layer, and 14 be contact conductor.As shown in fig. 7, lead 2 is drawn from gilding layer 1, with gilding layer 1
Zero ohms contact, can increase the contact area of gilding layer 1 Yu metal electrode, reduce contact resistance and contact loss, can reduce pole
The metallic power of plate is lost.
S127：Metalized film is wound on the winder, forms dry type rail transit locomotive storage capacitor to be prepared
The element fuse of device.
Shown in Figure 8,1 white portion indicated is polypropylene film in figure, and 2 black portions indicated are metal layer.
Fuse suitably increases the unfitness of butt joint of two metal layers when winding, to increase the contact area with gilding layer.To 300 μ F of capacitance or so
The general unfitness of butt joint of fuse between 1.0~3.0mm, mistake is partially blown down make instead out by air-flow when can prevent because of metal spraying in this way
Metal spraying particle enters in the gap of end face, causes to make poor contact.
S128：It is filled between element fuse and outer steel box using insulating mineral matter, obtains dry type rail traffic to be prepared
The sample of locomotive energy-storage capacitor.
Using the nontoxic mineral grain filler that insulate, such as：Inorganic material can make capacitor avoid explosion, burning
With pollution environment.
The embodiment of the present invention can determine the items electricity for needing capacitor to be prepared according to the concrete condition of practical locomotive
Gas parameter is based on the electric parameter, to material is prepared and preparation process is selected and prepared, obtains the dry type rail of meet demand
Road traffic locomotive energy-storage capacitor.
In dry type rail transit locomotive energy-storage capacitor preparation method provided by the embodiment of the present invention, element rolls mode
For no-induction winding, extraction that lead is noninductive；Element have passed through thermal finalization, preferably excludes element air entrapment, makes the several of element
What size and electric property are stablized；It is different from oil capacitor, using the filling of insulating mineral matter and original part fuse and outer steel box it
Between encapsulating, traditional encapsulating of epoxy resin is changed, the characteristics of strengthening insulation, fully demonstrate dry-type capacitor；Using stainless
Steel material does original part shell, ensure that the isolation with external environment, safety and heat insulating ability enhancing.It is prepared by the above method
Capacitor unit energy density it is high, small in size, light-weight, capacitor device is compact-sized.Its noise level and ABB band noise
The oil capacitor of damper is suitable.Dry type is oil-free, fire-proof, and capacitor does not have leakage problems, when a fire, may not be used
Burning liquid causes the possibility of fire spread.
Embodiment two：
The embodiment of the present invention provides a kind of dry type rail transit locomotive energy-storage capacitor, the dry type rail transit locomotive energy storage
Capacitor dry type rail transit locomotive energy-storage capacitor preparation method according to embodiment one is prepared, the dry type track
Traffic locomotive energy-storage capacitor includes：Element fuse and outer steel box；Insulating mineral matter is filled between element fuse and outer steel box；
The extraction electrode lead from element fuse；Element fuse includes：The capacitor body of the rolled formation of metalized film；Metalized film
Including：The metallization of two pieces of heavy-edge vapor deposition zinc-aluminium layers to fit together back-to-back using polypropylene film as contact surface is thin
Film and two gilding layers；It is heavy-edge vapor deposition zinc-aluminium layer metallized film include：Polypropylene film and vapor deposition are in polypropylene
Metal layer on film；The area of metal layer is less than the area of polypropylene film, forms reserved side in the side of polypropylene film；
The one side edge of the metal layer opposite with reserved side is handled by thickening；Metal layer is in network；Two gilding layers cover respectively
In on metal layer；The material of metal layer and gilding layer is allumen.
Wherein, polypropylene film film thickness is 0.01-0.035 μm；Metal layer thickness is 0.01 μm.By thickening adding for processing
Thickness portion width is 2~4mm, and thickness increases by 0.5~2 times than non-reinforcement.Zinc-aluminium quality in the allumen of gilding layer is matched
Than being 5：5.
The specific preparation process of dry type rail transit locomotive energy-storage capacitor is referring to above-mentioned implementation provided by the present embodiment
Example, details are not described herein.Equally there is above-mentioned beneficial effect.
The computer program of dry type rail transit locomotive energy-storage capacitor preparation method provided by the embodiment of the present invention produces
Product, the computer readable storage medium including storing the executable non-volatile program code of processor, said program code
Including instruction can be used for executing previous methods method as described in the examples, specific implementation can be found in embodiment of the method, herein
It repeats no more.
It is apparent to those skilled in the art that for convenience and simplicity of description, the device of foregoing description
And the specific work process of electronic equipment, it can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
The flow chart and block diagram in the drawings show multiple embodiment method and computer program products according to the present invention
Architecture, function and operation in the cards.In this regard, each box in flowchart or block diagram can represent one
A part of module, section or code, a part of the module, section or code include it is one or more for realizing
The executable instruction of defined logic function.It should also be noted that in some implementations as replacements, function marked in the box
It can also can occur in a different order than that indicated in the drawings.For example, two continuous boxes can actually be substantially parallel
Ground executes, they can also be executed in the opposite order sometimes, and this depends on the function involved.It is also noted that block diagram
And/or the combination of each box in flow chart and the box in block diagram and or flow chart, it can the function as defined in executing
Can or the dedicated hardware based system of movement realize, or can come using a combination of dedicated hardware and computer instructions real
It is existing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, of the invention
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the present invention
State all or part of the steps of method.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can be with
Store the medium of program code.
Finally it should be noted that：Embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that：Anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of dry type rail transit locomotive energy-storage capacitor preparation method, which is characterized in that including：
Determine the electric parameter of dry type rail transit locomotive energy-storage capacitor to be prepared；The electric parameter includes at least：Work
Current effective value, loss tangent, voltage rating, maximum impact electric current；
Based on the electric parameter, element material and the preparation of the dry type rail transit locomotive energy-storage capacitor to be prepared are chosen
Technique, and according to the preparation process, the element material is processed, the dry type rail transit locomotive to be prepared is obtained
The sample of energy-storage capacitor.
2. dry type rail transit locomotive energy-storage capacitor preparation method according to claim 1, which is characterized in that the base
In the electric parameter, the element material and preparation process of the dry type rail transit locomotive energy-storage capacitor to be prepared are chosen,
And according to the preparation process, the element material is processed, obtains the dry type rail transit locomotive energy storage to be prepared
The sample of capacitor, specifically includes：
Import polypropylene film material is chosen, two layers of polypropylene film is prepared, as the dry type rail transit locomotive to be prepared
The dielectric of energy-storage capacitor；
The evaporated metal layer on every layer of polypropylene film；The material of the metal layer is allumen；The metal layer
Area is less than the area of the polypropylene film, forms reserved side in the side of the polypropylene film；
Using trapezoidal coating technique, thickening processing is carried out to the one side edge of the metal layer opposite with the reserved side, obtains two
The metallized film for the vapor deposition zinc-aluminium layer that block edge thickeies；
The metallized film for the vapor deposition zinc-aluminium layer that two block edge is thickeied, is bonded back-to-back using polypropylene film as contact surface
Together；
Using metal spraying technique, shape is distinguished in the metal layer side of the metallized film for the vapor deposition zinc-aluminium layer that two block edge thickeies
At one layer of gilding layer, metalized film is formed；
Two contact conductors of the dry type rail transit locomotive energy-storage capacitor to be prepared are drawn from the gilding layer；
The metalized film is wound on the winder, forms the dry type rail transit locomotive energy-storage capacitor to be prepared
Element fuse；
It is filled between the element fuse and outer steel box using insulating mineral matter, obtains the dry type rail traffic machine to be prepared
The sample of vehicle energy-storage capacitor.
3. dry type rail transit locomotive energy-storage capacitor preparation method according to claim 2, which is characterized in that described poly-
Polypropylene film film thickness is 0.01-0.035 μm；The metal layer thickness is 0.01 μm.
4. dry type rail transit locomotive energy-storage capacitor preparation method according to claim 2, which is characterized in that described right
After the one side edge of the metal layer opposite with the reserved side carries out thickening processing, reinforcement width is 2~4mm, and thickness ratio is not
Reinforcement increases by 0.5~2 times.
5. dry type rail transit locomotive energy-storage capacitor preparation method according to claim 2, which is characterized in that the spray
The material of layer gold is allumen；Zinc-aluminium quality proportioning in the allumen is 5：5.
6. dry type rail transit locomotive energy-storage capacitor preparation method according to claim 2, which is characterized in that the gold
Belonging to layer is in grid structure.
7. a kind of dry type rail transit locomotive energy-storage capacitor preparation method according to claim 1-6 is prepared into
The dry type rail transit locomotive energy-storage capacitor arrived, which is characterized in that including：Element fuse and outer steel box；
Insulating mineral matter is filled between the element fuse and outer steel box；
The extraction electrode lead from the element fuse；
The element fuse includes：The capacitor body of the rolled formation of metalized film；
The metalized film includes：Two pieces of heavy-edge vapor depositions to be fit together back-to-back using polypropylene film as contact surface
The metallized film of zinc-aluminium layer and two gilding layers；
It is described it is heavy-edge vapor deposition zinc-aluminium layer metallized film include：Polypropylene film and vapor deposition are in the polypropylene film
On metal layer；The area of the metal layer is less than the area of the polypropylene film, in the side shape of the polypropylene film
At reserved side；The one side edge of the metal layer opposite with the reserved side is handled by thickening；The metal layer is in network；
Described two gilding layers are overlying on respectively on the metal layer；The material of the metal layer and the gilding layer is that zinc-aluminium closes
Gold.
8. dry type rail transit locomotive energy-storage capacitor according to claim 7, which is characterized in that the polypropylene film
Film thickness is 0.01-0.035 μm；The metal layer thickness is 0.01 μm.
9. dry type rail transit locomotive energy-storage capacitor according to claim 7, which is characterized in that described by thickening
The reinforcement width of reason is 2~4mm, and thickness increases by 0.5~2 times than non-reinforcement.
10. dry type rail transit locomotive energy-storage capacitor according to claim 7, which is characterized in that the gilding layer
Zinc-aluminium quality proportioning in allumen is 5：5.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114334451A (en) * | 2021-11-26 | 2022-04-12 | 西安交通大学 | Metallized film capacitor |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114334451A (en) * | 2021-11-26 | 2022-04-12 | 西安交通大学 | Metallized film capacitor |
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