CN110951230A - Photovoltaic inverter power supply multilayer board and preparation process thereof - Google Patents

Photovoltaic inverter power supply multilayer board and preparation process thereof Download PDF

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CN110951230A
CN110951230A CN201911257414.1A CN201911257414A CN110951230A CN 110951230 A CN110951230 A CN 110951230A CN 201911257414 A CN201911257414 A CN 201911257414A CN 110951230 A CN110951230 A CN 110951230A
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parts
plate
board
weight
inverter power
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CN110951230B (en
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金赛勇
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Vabael Electronic Technology Co ltd
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Vabael Electronic Technology Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/02—Layer formed of wires, e.g. mesh
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/002—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising natural stone or artificial stone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/041—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D173/00—Coating compositions based on macromolecular compounds obtained by reactions forming a linkage containing oxygen or oxygen and carbon in the main chain, not provided for in groups C09D159/00 - C09D171/00; Coating compositions based on derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/48—Stabilisers against degradation by oxygen, light or heat
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/06—Coating on the layer surface on metal layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/552—Fatigue strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/71—Resistive to light or to UV
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Power Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a photovoltaic inverter power supply multilayer board and a preparation process thereof, wherein the photovoltaic inverter power supply multilayer board comprises a substrate, wherein the surface of the outer side wall of the substrate is covered with an ultraviolet-resistant coating, the inner side of the substrate is sequentially connected with a mica tape board and an aluminum film, the surface of one end, away from the mica tape board, of the aluminum film is coated with a flame retardant coating, the substrate is sequentially divided into an outer board and an inner board from outside to inside, the outer board and the inner board are thermoplastic boards, and a metal mesh layer is clamped between the outer board and the inner board.

Description

Photovoltaic inverter power supply multilayer board and preparation process thereof
Technical Field
The invention relates to the technical field of photovoltaic inverter power supplies, in particular to a photovoltaic inverter power supply multilayer board and a preparation process thereof.
Background
The inverter is a converter which converts direct current electric energy (batteries and storage batteries) into constant-frequency constant-voltage or frequency-modulation voltage-regulation alternating current (generally 220V,50Hz sine wave). It is composed of inverter bridge, control logic and filter circuit. Photovoltaic inverters (pvinverters or solar inverters) can convert variable dc voltage generated by Photovoltaic (PV) solar panels into mains frequency Alternating Current (AC) and can be fed back to commercial power transmission systems or used for off-grid power grids. At present, the shell of the inverter power supply is generally a common thermoplastic plastic plate, and the shell often has the problems of insufficient flame retardance and heat resistance, easy aging caused by illumination and the like.
Disclosure of Invention
The invention aims to provide a photovoltaic inverter power supply multilayer board and a preparation process thereof, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a photovoltaic inverter power multiply wood, includes the base plate, the lateral wall surface covering of base plate has the ultraviolet resistance coating, the inboard of base plate has connected gradually mica tape board and aluminium membrane, the one end surface coating that mica tape board was kept away from to the aluminium membrane has the fire retardant coating, the base plate is from outer planking and the inner panel of dividing into in proper order, planking and inner panel are thermoplastic sheet, accompany the metal mesh layer between planking and the inner panel.
Preferably, the raw materials of the outer plate and the inner plate are mixed by the following components in parts by weight: 50-70 parts of polycarbonate resin, 20-25 parts of styrene-maleic anhydride copolymer, 0.5-2 parts of antioxidant and 10-20 parts of auxiliary agent.
Preferably, the antioxidant is dipentaerythritol diphosphite.
Preferably, the auxiliary agent comprises the following components in parts by weight: 40-50 parts of polyurethane emulsion, 20-40 parts of rosin modified resin, 5-10 parts of polydimethylsiloxane and 20-50 parts of deionized water.
Preferably, the ultraviolet-resistant coating is formed by spraying an ultraviolet-resistant agent, and the ultraviolet-resistant agent comprises the following components in parts by weight: 10-15 parts of phosphite ester, 20-25 parts of polyketone resin, 1-5 parts of dilauryl dithiodipropionate, 0.5-1 part of flatting agent, 0.1-0.3 part of defoaming agent, 0.3-0.5 part of thickening agent and 0.5-1 part of film-forming auxiliary agent.
Preferably, the flame retardant coating is formed by spraying a flame retardant, and the flame retardant comprises the following components in parts by weight: 20-30 parts of halogen-free phosphate, 5-7 parts of urea, 1-5 parts of p-nitrophenol, 1-3 parts of methacryloxypropyltrimethoxysilane and 30-50 parts of organic solvent.
A preparation process of a photovoltaic inverter power supply multilayer board comprises the following steps:
s1, weighing the styrene-maleic anhydride copolymer, the antioxidant and the auxiliary agent according to the parts by weight, adding the styrene-maleic anhydride copolymer, the antioxidant and the auxiliary agent into a high-speed mixer, premixing to obtain a premixed composition, adding the polycarbonate resin into the premixed composition, and mixing and stirring again to obtain a pre-plasticized raw material;
s2, adding the preplasticizing raw materials into an extruder, extruding particles and melting the particles to form a thermoplastic material in a molten state, feeding the obtained thermoplastic material into a head die, and forming a first thermoplastic plate in the head die;
s3, repeating the above processes to obtain a second thermoplastic plate;
s4, conveying the metal mesh and the first thermoplastic plate which are prepared in advance to a cooling forming roller, and pressing the first thermoplastic plate on the metal mesh to form a semi-finished substrate;
s5, conveying the semi-finished substrate and the second thermoplastic plate to a cooling forming roller, so that the second thermoplastic plate is pressed on one side of the metal net far away from the first thermoplastic plate to form a finished substrate;
s6, sequentially placing a mica tape plate and an aluminum film on the finished product substrate, and laminating by using a heat-seal laminating machine to obtain a semi-finished product multilayer plate;
s7, spraying an ultraviolet resistant agent on the surface of the substrate of the semi-finished multilayer board, and spraying a flame retardant on the surface of the aluminum film;
and S8, feeding the sprayed multilayer board into a drying oven, and drying to obtain the finished multilayer board.
Preferably, the premixing time in the step S1 is 20-30min, and the mixing and stirring time is 10-20 min.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a multilayer board with good flame retardant property and mechanical property, which is suitable for manufacturing an inverter power supply shell, has good ageing resistance, and is simple in preparation process and low in cost.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic inverter power supply multilayer board.
In the figure: 1-substrate, 2-ultraviolet resistant coating, 3-mica tape plate, 4-aluminum film, 5-flame retardant coating, 6-outer plate, 7-inner plate and 8-metal mesh layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, the present invention provides a technical solution: the utility model provides a photovoltaic inverter power multiply wood, includes base plate 1, the lateral wall surface covering of base plate 1 has ultraviolet resistance coating 2, the inboard of base plate 1 has connected gradually mica tape board 3 and aluminium membrane 4, the one end surface coating that mica tape board 3 was kept away from to aluminium membrane 4 has fire retardant coating 5, base plate 1 is from outer planking 6 and inner panel 7 of dividing into in proper order inwards, planking 6 and inner panel 7 are thermoplastic sheet, accompany metal mesh layer 8 between planking 6 and the inner panel 7.
The outer plate 6 and the inner plate 7 are prepared by mixing the following components in parts by weight: 50 parts by weight of polycarbonate resin, 20 parts by weight of styrene-maleic anhydride copolymer, 0.5 part by weight of antioxidant and 10 parts by weight of auxiliary agent.
The antioxidant is dipentaerythritol diphosphite.
The auxiliary agent comprises the following components in parts by weight: 40 parts of polyurethane emulsion, 20 parts of rosin modified resin, 5 parts of polydimethylsiloxane and 20 parts of deionized water.
The ultraviolet-resistant coating 2 is formed by spraying an ultraviolet-resistant agent, and the ultraviolet-resistant agent comprises the following components in parts by weight: 10 parts by weight of phosphite ester, 20 parts by weight of polyketone resin, 1 part by weight of dilauryl dithiodipropionate, 0.5 part by weight of leveling agent, 0.1 part by weight of defoaming agent, 0.3 part by weight of thickening agent and 0.5 part by weight of film-forming assistant.
The flame retardant coating 5 is formed by spraying a flame retardant, and the flame retardant comprises the following components in parts by weight: 20 parts by weight of halogen-free phosphate, 5 parts by weight of urea, 1 part by weight of p-nitrophenol, 1 part by weight of methacryloxypropyltrimethoxysilane, and 30 parts by weight of an organic solvent.
A preparation process of a photovoltaic inverter power supply multilayer board comprises the following steps:
s1, weighing the styrene-maleic anhydride copolymer, the antioxidant and the auxiliary agent according to the parts by weight, adding the styrene-maleic anhydride copolymer, the antioxidant and the auxiliary agent into a high-speed mixer, premixing to obtain a premixed composition, adding the polycarbonate resin into the premixed composition, and mixing and stirring again to obtain a pre-plasticized raw material;
s2, adding the preplasticizing raw materials into an extruder, extruding particles and melting the particles to form a thermoplastic material in a molten state, feeding the obtained thermoplastic material into a head die, and forming a first thermoplastic plate in the head die;
s3, repeating the above processes to obtain a second thermoplastic plate;
s4, conveying the metal mesh and the first thermoplastic plate which are prepared in advance to a cooling forming roller, and pressing the first thermoplastic plate on the metal mesh to form a semi-finished substrate;
s5, conveying the semi-finished substrate and the second thermoplastic plate to a cooling forming roller, so that the second thermoplastic plate is pressed on one side of the metal net far away from the first thermoplastic plate to form a finished substrate;
s6, sequentially placing a mica tape plate and an aluminum film on the finished product substrate, and laminating by using a heat-seal laminating machine to obtain a semi-finished product multilayer plate;
s7, spraying an ultraviolet resistant agent on the surface of the substrate of the semi-finished multilayer board, and spraying a flame retardant on the surface of the aluminum film;
and S8, feeding the sprayed multilayer board into a drying oven, and drying to obtain the finished multilayer board.
The premixing time in the step S1 is 20min, and the time for mixing and stirring again is 10 min.
Example two:
referring to fig. 1, the present invention provides a technical solution: the utility model provides a photovoltaic inverter power multiply wood, includes base plate 1, the lateral wall surface covering of base plate 1 has ultraviolet resistance coating 2, the inboard of base plate 1 has connected gradually mica tape board 3 and aluminium membrane 4, the one end surface coating that mica tape board 3 was kept away from to aluminium membrane 4 has fire retardant coating 5, base plate 1 is from outer planking 6 and inner panel 7 of dividing into in proper order inwards, planking 6 and inner panel 7 are thermoplastic sheet, accompany metal mesh layer 8 between planking 6 and the inner panel 7.
The outer plate 6 and the inner plate 7 are prepared by mixing the following components in parts by weight: 60 parts of polycarbonate resin, 23 parts of styrene-maleic anhydride copolymer, 1 part of antioxidant and 15 parts of auxiliary agent.
The antioxidant is dipentaerythritol diphosphite.
The auxiliary agent comprises the following components in parts by weight: 45 parts of polyurethane emulsion, 30 parts of rosin modified resin, 7 parts of polydimethylsiloxane and 40 parts of deionized water.
The ultraviolet-resistant coating 2 is formed by spraying an ultraviolet-resistant agent, and the ultraviolet-resistant agent comprises the following components in parts by weight: 13 parts by weight of phosphite ester, 23 parts by weight of polyketone resin, 3 parts by weight of dilauryl dithiodipropionate, 0.8 part by weight of leveling agent, 0.2 part by weight of defoaming agent, 0.4 part by weight of thickening agent and 0.8 part by weight of film-forming assistant.
The flame retardant coating 5 is formed by spraying a flame retardant, and the flame retardant comprises the following components in parts by weight: 25 parts by weight of halogen-free phosphate, 6 parts by weight of urea, 3 parts by weight of p-nitrophenol, 2 parts by weight of methacryloxypropyltrimethoxysilane, and 40 parts by weight of an organic solvent.
A preparation process of a photovoltaic inverter power supply multilayer board comprises the following steps:
s1, weighing the styrene-maleic anhydride copolymer, the antioxidant and the auxiliary agent according to the parts by weight, adding the styrene-maleic anhydride copolymer, the antioxidant and the auxiliary agent into a high-speed mixer, premixing to obtain a premixed composition, adding the polycarbonate resin into the premixed composition, and mixing and stirring again to obtain a pre-plasticized raw material;
s2, adding the preplasticizing raw materials into an extruder, extruding particles and melting the particles to form a thermoplastic material in a molten state, feeding the obtained thermoplastic material into a head die, and forming a first thermoplastic plate in the head die;
s3, repeating the above processes to obtain a second thermoplastic plate;
s4, conveying the metal mesh and the first thermoplastic plate which are prepared in advance to a cooling forming roller, and pressing the first thermoplastic plate on the metal mesh to form a semi-finished substrate;
s5, conveying the semi-finished substrate and the second thermoplastic plate to a cooling forming roller, so that the second thermoplastic plate is pressed on one side of the metal net far away from the first thermoplastic plate to form a finished substrate;
s6, sequentially placing a mica tape plate and an aluminum film on the finished product substrate, and laminating by using a heat-seal laminating machine to obtain a semi-finished product multilayer plate;
s7, spraying an ultraviolet resistant agent on the surface of the substrate of the semi-finished multilayer board, and spraying a flame retardant on the surface of the aluminum film;
and S8, feeding the sprayed multilayer board into a drying oven, and drying to obtain the finished multilayer board.
The premixing time in the step S1 is 25min, and the time for mixing and stirring again is 15 min.
Example three:
referring to fig. 1, the present invention provides a technical solution: the utility model provides a photovoltaic inverter power multiply wood, includes base plate 1, the lateral wall surface covering of base plate 1 has ultraviolet resistance coating 2, the inboard of base plate 1 has connected gradually mica tape board 3 and aluminium membrane 4, the one end surface coating that mica tape board 3 was kept away from to aluminium membrane 4 has fire retardant coating 5, base plate 1 is from outer planking 6 and inner panel 7 of dividing into in proper order inwards, planking 6 and inner panel 7 are thermoplastic sheet, accompany metal mesh layer 8 between planking 6 and the inner panel 7.
The outer plate 6 and the inner plate 7 are prepared by mixing the following components in parts by weight: 70 parts of polycarbonate resin, 25 parts of styrene-maleic anhydride copolymer, 2 parts of antioxidant and 20 parts of auxiliary agent.
The antioxidant is dipentaerythritol diphosphite.
The auxiliary agent comprises the following components in parts by weight: 50 parts by weight of polyurethane emulsion, 40 parts by weight of rosin modified resin, 10 parts by weight of polydimethylsiloxane and 50 parts by weight of deionized water.
The ultraviolet-resistant coating 2 is formed by spraying an ultraviolet-resistant agent, and the ultraviolet-resistant agent comprises the following components in parts by weight: 15 parts by weight of phosphite ester, 25 parts by weight of polyketone resin, 5 parts by weight of dilauryl dithiodipropionate, 1 part by weight of leveling agent, 0.3 part by weight of defoaming agent, 0.5 part by weight of thickening agent and 1 part by weight of film-forming assistant.
The flame retardant coating 5 is formed by spraying a flame retardant, and the flame retardant comprises the following components in parts by weight: 30 parts by weight of halogen-free phosphate, 7 parts by weight of urea, 5 parts by weight of p-nitrophenol, 3 parts by weight of methacryloxypropyltrimethoxysilane and 50 parts by weight of an organic solvent.
A preparation process of a photovoltaic inverter power supply multilayer board comprises the following steps:
s1, weighing the styrene-maleic anhydride copolymer, the antioxidant and the auxiliary agent according to the parts by weight, adding the styrene-maleic anhydride copolymer, the antioxidant and the auxiliary agent into a high-speed mixer, premixing to obtain a premixed composition, adding the polycarbonate resin into the premixed composition, and mixing and stirring again to obtain a pre-plasticized raw material;
s2, adding the preplasticizing raw materials into an extruder, extruding particles and melting the particles to form a thermoplastic material in a molten state, feeding the obtained thermoplastic material into a head die, and forming a first thermoplastic plate in the head die;
s3, repeating the above processes to obtain a second thermoplastic plate;
s4, conveying the metal mesh and the first thermoplastic plate which are prepared in advance to a cooling forming roller, and pressing the first thermoplastic plate on the metal mesh to form a semi-finished substrate;
s5, conveying the semi-finished substrate and the second thermoplastic plate to a cooling forming roller, so that the second thermoplastic plate is pressed on one side of the metal net far away from the first thermoplastic plate to form a finished substrate;
s6, sequentially placing a mica tape plate and an aluminum film on the finished product substrate, and laminating by using a heat-seal laminating machine to obtain a semi-finished product multilayer plate;
s7, spraying an ultraviolet resistant agent on the surface of the substrate of the semi-finished multilayer board, and spraying a flame retardant on the surface of the aluminum film;
and S8, feeding the sprayed multilayer board into a drying oven, and drying to obtain the finished multilayer board.
The premixing time in the step S1 is 30min, and the time for mixing and stirring again is 20 min.
Test example:
the performance of the photovoltaic inverter power multilayer board in the first to third embodiments is tested, wherein the tensile performance is tested according to IEC 60811-:
Figure BDA0002310673240000101
as can be seen from the table above, the photovoltaic inverter power supply multilayer board provided by the invention has good ageing resistance, flame retardant property and mechanical property.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. A photovoltaic inverter power multilayer board, includes base plate (1), its characterized in that: the utility model discloses a mica tape board, including base plate (1), inboard, mica tape board (3) and aluminium membrane (4), the lateral wall surface covering of base plate (1) has ultraviolet resistance coating (2), the inboard of base plate (1) has connected gradually mica tape board (3) and aluminium membrane (4), the one end surface coating that mica tape board (3) were kept away from in aluminium membrane (4) has fire retardant coating (5), base plate (1) is from outer planking (6) and inner panel (7) of dividing into in proper order inwards, planking (6) and inner panel (7) are thermoplastic sheet, accompany metal mesh layer (8) between planking (6) and inner panel (7.
2. The photovoltaic inverter power multilayer sheet according to claim 1, characterized in that: the outer plate (6) and the inner plate (7) are prepared by mixing the following raw materials in parts by weight: 50-70 parts of polycarbonate resin, 20-25 parts of styrene-maleic anhydride copolymer, 0.5-2 parts of antioxidant and 10-20 parts of auxiliary agent.
3. The photovoltaic inverter power multilayer sheet according to claim 2, characterized in that: the antioxidant is dipentaerythritol diphosphite.
4. The photovoltaic inverter power multilayer sheet according to claim 2, characterized in that: the auxiliary agent comprises the following components in parts by weight: 40-50 parts of polyurethane emulsion, 20-40 parts of rosin modified resin, 5-10 parts of polydimethylsiloxane and 20-50 parts of deionized water.
5. The photovoltaic inverter power multilayer sheet according to claim 1, characterized in that: the ultraviolet-resistant coating (2) is formed by spraying an ultraviolet-resistant agent, and the ultraviolet-resistant agent comprises the following components in parts by weight: 10-15 parts of phosphite ester, 20-25 parts of polyketone resin, 1-5 parts of dilauryl dithiodipropionate, 0.5-1 part of flatting agent, 0.1-0.3 part of defoaming agent, 0.3-0.5 part of thickening agent and 0.5-1 part of film-forming auxiliary agent.
6. The photovoltaic inverter power multilayer sheet according to claim 1, characterized in that: the flame retardant coating (5) is formed by spraying a flame retardant, and the flame retardant comprises the following components in parts by weight: 20-30 parts of halogen-free phosphate, 5-7 parts of urea, 1-5 parts of p-nitrophenol, 1-3 parts of methacryloxypropyltrimethoxysilane and 30-50 parts of organic solvent.
7. A preparation process of a photovoltaic inverter power supply multilayer board is characterized by comprising the following steps: the method comprises the following steps:
s1, weighing the styrene-maleic anhydride copolymer, the antioxidant and the auxiliary agent according to the parts by weight, adding the styrene-maleic anhydride copolymer, the antioxidant and the auxiliary agent into a high-speed mixer, premixing to obtain a premixed composition, adding the polycarbonate resin into the premixed composition, and mixing and stirring again to obtain a pre-plasticized raw material;
s2, adding the preplasticizing raw materials into an extruder, extruding particles and melting the particles to form a thermoplastic material in a molten state, feeding the obtained thermoplastic material into a head die, and forming a first thermoplastic plate in the head die;
s3, repeating the above processes to obtain a second thermoplastic plate;
s4, conveying the metal mesh and the first thermoplastic plate which are prepared in advance to a cooling forming roller, and pressing the first thermoplastic plate on the metal mesh to form a semi-finished substrate;
s5, conveying the semi-finished substrate and the second thermoplastic plate to a cooling forming roller, so that the second thermoplastic plate is pressed on one side of the metal net far away from the first thermoplastic plate to form a finished substrate;
s6, sequentially placing a mica tape plate and an aluminum film on the finished product substrate, and laminating by using a heat-seal laminating machine to obtain a semi-finished product multilayer plate;
s7, spraying an ultraviolet resistant agent on the surface of the substrate of the semi-finished multilayer board, and spraying a flame retardant on the surface of the aluminum film;
and S8, feeding the sprayed multilayer board into a drying oven, and drying to obtain the finished multilayer board.
8. The process for preparing the photovoltaic inverter power multilayer board according to claim 7, wherein the process comprises the following steps: the premixing time in the step S1 is 20-30min, and the mixing and stirring time is 10-20 min.
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CN207995425U (en) * 2018-04-09 2018-10-19 大连昊天伟业科贸有限公司 Flat heater
CN209015757U (en) * 2018-11-28 2019-06-21 扬州中缆电缆有限公司 A kind of glass fiber membrane reinforcement gold mica tape
WO2019121641A1 (en) * 2017-12-21 2019-06-27 H.K.O. Isolier- Und Textiltechnik Gmbh Multi-layer thermal insulation element for batteries
CN110086058A (en) * 2019-03-13 2019-08-02 东莞市东思电子技术有限公司 A kind of sheet air throttle brush and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110092716A (en) * 2010-02-10 2011-08-18 홍석표 The logic courage which has a mica layer and logic courage subject matter
WO2019121641A1 (en) * 2017-12-21 2019-06-27 H.K.O. Isolier- Und Textiltechnik Gmbh Multi-layer thermal insulation element for batteries
CN207995425U (en) * 2018-04-09 2018-10-19 大连昊天伟业科贸有限公司 Flat heater
CN209015757U (en) * 2018-11-28 2019-06-21 扬州中缆电缆有限公司 A kind of glass fiber membrane reinforcement gold mica tape
CN110086058A (en) * 2019-03-13 2019-08-02 东莞市东思电子技术有限公司 A kind of sheet air throttle brush and preparation method thereof

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