CN104421573B - A kind of decorative heat-preservation plate and apply the refrigerating equipment of this plate - Google Patents
A kind of decorative heat-preservation plate and apply the refrigerating equipment of this plate Download PDFInfo
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- CN104421573B CN104421573B CN201310364346.5A CN201310364346A CN104421573B CN 104421573 B CN104421573 B CN 104421573B CN 201310364346 A CN201310364346 A CN 201310364346A CN 104421573 B CN104421573 B CN 104421573B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
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- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
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- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
Abstract
The invention provides a kind of decorative heat-preservation plate and apply the refrigerating equipment of this plate, decorative heat-preservation plate includes: VIP plate and the cellulose plate being connected on the both sides of this VIP plate or single side.Decorative heat-preservation plate also includes band or the sealing strip being located at VIP plate surrounding.Band or sealing strip are tightly connected with the medial surface of cellulose plate.The lateral surface of cellulose plate is provided with decorative layer, to facilitate predetermined pattern or tint and carry out various decoration, provides a kind of can combine together, refrigerator of customizable personalization with furniture for client.Cellulose plate has wood and moulds the physical property of excellence, environmental-protecting performance, appearance tactile impression, processing characteristics.Owing to VIP plate has been used in part refrigerator, therefore, plan the decorative heat-preservation plate of the present invention as a kind of existing white or the material of rustless steel outcase of refrigerator, cellulose plate surface can use the decorative layer of arbitrary graphic pattern, provides a kind of can combine together, refrigerator of customizable personalization with furniture for client.
Description
Technical field
The present invention relates to a kind of decorative heat-preservation plate, a kind of decorative heat-preservation plate that be applicable to the fields such as household electrical appliances insulation, Cold Chain Logistics, building heat preservation, that be made up of cellulose plate and VIP plate (vacuum insulation panel), and apply the refrigerating equipment (including: refrigerator, refrigerator-freezer or frozen products insulated container etc.) of this plate.
Background technology
Cellulose composite board (being called for short: cellulose plate) is a kind of mainly by material based on lignose, plant cellulose etc. and thermoplastic macromolecule material (plastics) and processing aid etc., the sheet material made through die apparatus heating extrusion molding again after mix homogeneously, have timber and the performance of plastics and feature concurrently, the advanced composite material (ACM) of timber and plastics can be substituted.
The main performance of cellulose plate:
Physical property: intensity is good, hardness is high, anti-skidding, wear-resisting, do not ftracture, do not damage by worms, water absorption is little, ageing-resistant, corrosion-resistant, antistatic and ultraviolet, insulation, heat insulation, fire-retardant, 75 DEG C of high temperature and the low temperature of-40 DEG C can be resisted.
Environmental-protecting performance: without harmful substance releases such as noxious substance, the chemical composition of danger, preservative etc., formaldehydeless, benzene, does not results in air pollution and environmental pollution, 100% recycling also can re-work use, it is possible to biodegradation.
Appearance tactile impression: there is the natural look of timber, texture.Better than wood dimensional stability, without timber knot, will not crack, warpage, deformation, product can be made into multiple color, also can not fade by long Jupocin without secondary leaching paint in surface.
Processing characteristics: have the secondary workability of timber, as sawed, can dig, bond, fix with nail or screw, various section bar codes and standards, construction and installation are efficient and convenient.By routine work mode, various facility and goods can be processed into.
VIP plate is employed for the heat insulation of refrigerator and transport container etc., it is possible to be applied to building field.VIP plate generally includes tabular, pressure core (such as: compound glass fiber is stacked to be formed, or the plate body made of porous organic material), and this core is contained in the encapsulating film bag of a high-barrier evacuation；At present, the encapsulating film that VIP plate uses, generally clad aluminum foil aluminizer and High barrier PET aluminizer two kinds.Chinese patent application publication No. CN102667298A discloses a kind of vacuum heat insulation material film, has and includes: protective layer, vapour barrier and hot welding layer.
The mode of production of traditional VIP plate, central layer is put in pre-processed, film bag with three edge sealing and an opening, subsequently from opening edge evacuation, finally opening is sealed (i.e. completing sealing), surrounding at finished product produces sealing strip respectively simultaneously, for convenience of using, it is necessary to the sealing strip of described surrounding is carried out artificial flanging, and uses adhesive tape to fix.
Such as Fig. 1 and 2, after artificial flanging, the foldable layer of generation many places a has eight tunic materials, and remaining burst b is four layers；The described flanging of VIP plate surrounding can produce heat bridge, and this greatly reduces the overall heat-insulating property of VIP plate.
Additionally, prefabricated film packed enter after core, often there is bigger space (i.e. film bag size often exists certain surplus, to facilitate operation and to prevent from damaging when loading core the limit of core, angle)；This causes when evacuation, forms more fold in the plane or sidepiece end face of VIP plate；Fold not only affects the flatness of product plane, also can strengthen heat bridge effect in edges and corners, edge, thus reduce the overall heat-insulating property of VIP plate.
Summary of the invention
The technical problem to be solved is to provide a kind of simple in construction, insulation effect preferably and ornamental preferably decorative heat-preservation plate and apply the refrigerating equipment of this plate.
In order to solve the problems referred to above, the invention provides a kind of decorative heat-preservation plate, the cellulose plate on the both sides including: VIP plate and being connected to this VIP plate or single side.
It is connected by colloid is bonding between described VIP plate and cellulose plate, preferably pressure sensitive adhesive (i.e. acrylic glue) or silica gel.
The lateral surface of described cellulose plate is provided with decorative layer, to facilitate predetermined pattern or tint and carry out various decoration, provides a kind of that can combine together, the refrigerator of customizable personalization, refrigerator or building wall decorative panel with furniture for client.
Described decorative heat-preservation plate also includes band or the sealing strip being located at described VIP plate surrounding, is used for preventing extraneous spine from poking VIP plate；This band or sealing strip are made up of the material of silicone rubber or other anticorrosions, high-low temperature resistant.
As further preferably, described band or sealing strip are tightly connected with the medial surface of described cellulose plate, for arranging the scheme of cellulose plate in the both sides of VIP plate, can prevent between dirt two pieces of cellulose plates of entrance and pollute VIP plate.
Described VIP plate includes: core, for encapsulating the encapsulating film of this core；Described encapsulating film is at least one, and is coated with lower planes and the left and right side of described core in the way of head and the tail hot-melt adhesive paste, and its head and the tail junction is not on the left and right side of described core；After the extension heat sealing of the forward and backward side extending described core of described encapsulating film, fold and be pasted onto on the forward and backward side of described core.
As a kind of embodiment, described VIP plate includes: core, for encapsulating the encapsulating film of this core；Described encapsulating film is one, and described head and the tail junction is in the upper plane or lower plane of described core, or on the seamed edge of described core.
As another embodiment, described VIP plate includes: core, for encapsulating the encapsulating film of this core；Described encapsulating film is the most end to end two, the while of corresponding two described head and the tail junctions in the upper plane or lower plane of described core, or simultaneously on the seamed edge of described core, or respectively in the upper and lower plane of described core.
The extension of described encapsulating film turns down to inner side central symmetry respectively along four seamed edges of the forward and backward side of described core；During turnover, on the opening of described extension, the part of neighbouring minor face is M font；After turnover, the part of the forward and backward side of the neighbouring described core of described extension is close on the forward and backward side of described core respectively, to reduce the space between core and encapsulating film as far as possible, to reduce the generation of fold.
Described core is the core of parallelepiped.
The core of above-mentioned VIP plate includes: by the multilayer laminated glass fibre sheet (i.e. chopped silk core) using wet paper manufacturing method molding, or the glass mat (i.e. dry method glass cotton core material) of employing dry method non-woven fabrics craft molding, or the middle core that glass fibre sheet is constituted with the lamination of glass mat (i.e. mixing core)；It is coated with superfine glass fiber cotton piece material in the both sides up and down of this middle core；Fibre diameter in described superfine glass fiber cotton piece material is 1-4um, a length of 1-5mm.
Described superfine glass fiber cotton piece material uses wet paper manufacturing method molding or dry method non-woven fabrics craft molding.
Constitute a diameter of 4-20um of the glass fibre of described glass mat, a length of 4-15mm.
Preferred as one, described glass fibre sheet uses the glass chopped silk molding that a diameter of 6-13um, a length of 4-20mm fiber elongation method produce.
Described glass fibre sheet and the glass fibre layer distributed in glass mat, major part are parallel with end face, the glass fibre random distribution in isoplanar, the thickness of this sheet material uniformly, to reduce gap the beneficially evacuation of adjacent fiber；Additionally, due to heat conducts heat along the length direction of glass fibre mostly, therefore by its major part glass fibre distribution parallel with the end face of this glass mat, can prevent heat from transmitting at thickness direction.
As the optional embodiment of another kind, described glass fibre sheet includes: the glass fibre cotton that the glass chopped silk of 70-100wt%, a diameter of 6-13um, a length of 4-20mm, fiber elongation method production and 0-30wt%, a diameter of 1.0-4um, a length of 1-5mm, flame method produce；Use the glass fibre cotton that flame method manufactures, diameter is thin, length is short, the glass fibre cotton density obtained the most accordingly is relatively big, and the core material of vacuum heat insulation plate heat conductivity made is relatively low, but if the glass fibre cotton individually using flame method to produce produces core material of vacuum heat insulation plate, manufacturing cost can be caused higher, and making the heat conductivity of the vacuum heat-insulating plate made be difficult to reach below 0.0025W/m.k, quality is unstable, poor controllability；In the present invention, the glass chopped silk of employing 70-100wt% fiber elongation method production and the glass fibre cotton of 0-30wt% flame method production are as core material of vacuum heat insulation plate raw material, glass fibre cotton proportion is less, in terms of existing technologies, greatly reduce production cost, improve constant product quality；The core material of vacuum heat insulation plate heat conductivity produced is at below 0.030W/m.k, and its heat-insulating shield heat conductivity is low relative to the glass fibre cotton core using 100wt% flame method to produce, and heat insulation effect is preferable；Monolithic core thickness controls under 0.5-5mm(10kpa pressure), density domination is at 80kg/m-200kg/m, and compression ratio is more slightly larger than the superfine glass fiber cotton core material using 100wt% flame method to produce, but will not have big impact to production technology.
As further alternative embodiment, between glass fibre sheet between adjacent two layers glass fibre sheet or adjacent and glass mat, it is provided with silicon dioxide bisque thick for 1-15mm or SiO2Plate, SiO2Sheet material uses gas phase SiO2, SiC powder compressing after stirring with some inorfils；After using encapsulating film bag to encapsulate this core evacuation, due to SiO2Bisque or plate are alternately superimposed on glass fibre, SiO2Bisque or plate play partition effect at the thickness direction of core, can prevent the surplus air in bag from conducting heat in thickness direction flowing, be beneficial to improve further effect of heat insulation and the combination property of core material of vacuum heat insulation plate；Additionally, SiO2Bisque or plate are beneficial to adsorb steam, and then it is the most steady in a long-term to guarantee that the heat conductivity of VIP plate is maintained at lower value.
As further preferably, the distribution parallel with the end face of this glass mat of the most of glass fibre in described glass mat, to reduce gap the beneficially evacuation of adjacent fiber.
The manufacture method of above-mentioned core material of vacuum heat insulation plate, comprises the steps:
(1) a diameter of 6-13um, the glass chopped silk of a length of 4-20mm fiber elongation method production are taken；Or, take the glass fibre cotton mixing that 70-100wt%, a diameter of 6-13um, a length of 4-20mm, the glass chopped silk of fiber elongation method production and 0-30wt%, a diameter of 1.0-4um, a length of 1-5mm, flame method produce；
(2) being disperseed by above-mentioned glass fibre, then add water stirring, sends into pond with slurry dilute, diluted concentration to 0.3-1.0wt% after stirring；
(3) slurry diluted being sent into flow box, the serosity layering that flow box flows out flows on a forming net, be evenly distributed with negative pressure suction inlet under this forming net, to be dehydrated；Fiber after dehydration is deposited on described forming net and thickness is uniform, layer distributed is parallel with end face, forms the lamella of desired thickness, i.e. obtains wet plate；
(4) use pressure roller that above-mentioned wet plate is rolled so that it is surfacing, thickness are uniform；
(5) wet plate that will complete above-mentioned steps (4) forms glass fibre sheet after dehydration, dried；
(6) take a diameter of 1-4um, a length of 1-5mm superfine glass fiber cotton, and repeat the above steps (2)-(4) obtain wet plate, this wet plate is formed after dehydration, dried superfine glass fiber cotton piece material；
(7) middle core will be constituted after above-mentioned for multilamellar glass fibre sheet stacking；After superfine glass fiber cotton piece material is laid in the both sides up and down of this middle core, carry out cutting, make required core.
Use the glass fibre core that said method produces, the technique effect having: be beneficial to vacuum heat-insulating plate evacuation, to reduce the heat conductivity of vacuum heat-insulating plate, and the heat conductivity < 0.0025W/m.k of the vacuum heat-insulating plate made can be made.Core moulding process is simple, low cost, stable and controllable for quality.Use evacuation after the packaged core of encapsulating film bag, SiO2Bisque or SiO2Plate can stop the residual gas in bag to conduct heat in thickness direction flowing, is beneficial to improve further effect of heat insulation and the combination property of core material of vacuum heat insulation plate；Additionally, SiO2It is beneficial to adsorb steam, reduces the flowable gas in bag, and then it is the most steady in a long-term to guarantee that the heat conductivity of VIP plate is maintained at lower value.
Preferred as one, under the pressure condition of 10KPa, the thickness of the glass fibre sheet that described step (5) generates is 0.5-5mm, and the thickness of the superfine glass fiber cotton piece material in described step (5) is 0.2-2mm.The glass chopped filament diameter used owing to making central layer is 6-13um, and the glass chopped silk that a length of 4-20mm fiber elongation method produces, so under the pressure condition of 10KPa, described glass fibre sheet blank optimum thickness is 0.5-5mm.
Preferred as one, when in described step (3), glass layer is dehydrated by forming net, the speed of forming net is 12-30 m/min.Using this speed to can effectively ensure that the wet plate even density produced by forming net, marshalling, integral thickness is relatively uniform, improves core material of vacuum heat insulation plate end product quality.
Preferred as one, in the dilution of described step (2), add the hydroxylated cellulose of the 0.005-0.015% of above-mentioned glass chopped silk gross weight, to reduce electrostatic effect.
Preferred as one, for generating the glass fibre sheet of said structure, the top surface inclination of described forming net is arranged；Forming net is arranged over the diversion channel being connected with described flow box, and the base plate of this diversion channel is parallel with the end face of described forming net, and the base plate of diversion channel is evenly distributed with the narrow slit type nozzle vertical with the length direction of described forming net；Described negative pressure suction inlet is oppositely arranged with described narrow slit type nozzle and is distributed in the side, downstream of each narrow slit type nozzle respectively, the fiber being beneficial in serosity is evenly distributed on the end face of described forming net, and makes fiber fractionation isoplanar be distributed, be largely parallel to the surface of glass fibre sheet.
As the preferred scheme of one, described forming net is conveyor type, is beneficial to produce continuously.
As further preferred scheme, the direction of transfer of described forming net end face is from bottom to top, and beneficially fiber is deposited on described forming net and thickness is uniform, layering isoplanar is distributed, major part is parallel.
A kind of vacuum heat-insulating plate, it includes above-mentioned core material of vacuum heat insulation plate, and be coated on this core material of vacuum heat insulation plate, for realizing aluminizer or the foil laminated film of evacuation, or the bag being made up of above-mentioned aluminizer or foil laminated film.
Apply the refrigerating equipment of above-mentioned decorative heat-preservation plate, including: casing and the hermatic door being movably connected on the opening of this casing；The outer side panel of above-mentioned casing and hermatic door is above-mentioned decorative heat-preservation plate.
The present invention has a positive effect relative to prior art:
(1), in the decorative heat-preservation plate of the present invention, with the VIP plate of cellulose plate protection, heat conductivility is good, and heat conductivity is at 8mW/ (mK) below；Cellulose plate has wood and moulds the physical property of excellence, environmental-protecting performance, appearance tactile impression, processing characteristics, can be applicable to various refrigerating equipment or moist closet or building wall etc..Owing to VIP plate has been used in part refrigerator, therefore, plan the decorative heat-preservation plate of the present invention as a kind of existing white or the material of rustless steel outcase of refrigerator, cellulose plate surface can use the decorative layer of arbitrary graphic pattern, provides a kind of can combine together, refrigerator of customizable personalization with furniture for client.Use cellulose plate to be combined VIP plate as outcase of refrigerator, refrigerator and kitchen furniture environment can be made more to merge.Additionally, utilize the physical property of cellulose plate, carving can be carried out at this refrigerator, tint and various decoration.Cellulose plate has the environmental-protecting performance of excellence: without harmful substance releases such as noxious substance, the chemical composition of danger, preservative etc., formaldehydeless, benzene, does not results in air pollution and environmental pollution, energy 100%
Recycling also re-works use, it is possible to biodegradation；
(2) two longer heat sealings of the VIP plate in the present invention, in the upper plane and/or lower plane of described core, it is to avoid it is at sidepiece flanging, so having replied heat bridge effect relatively low, improve the overall heat-insulating property of VIP plate.Using at least one encapsulating film to be tightly wrapped in central layer, the most monolateral sealing, then at another opening part evacuation, finally seal, the encapsulating film encapsulating core so can be avoided to there is surplus, the fold finally making product surface be formed minimizes.Secondly, the consumption of encapsulating film can be saved to a certain extent；Again, due to being greatly decreased of fold, the geomery making the VIP plate of final molding is more accurate；
(2) contrary with using pre-foliation film bag, the VIP plate producing process of the present invention is adapted to be manufactured into the VIP plate of arbitrary size, can meet the encapsulation of difform central layer simultaneously；
(3) when the VIP plate that the present invention uses uses two encapsulating films to encapsulate in the most end to end mode, the width of one encapsulating film can be fixed, as long as adjust the width of another encapsulating film when encapsulation, it is possible to encapsulation the most in real time, decrease time and the cost of concerned process steps；
(4) present invention covers superfine glass fiber cotton core material at chopped silk or dry method glass felt core levels, i.e. constitute a kind of composite core material, what it obtained has the technical effect that superfine glass fiber cotton core material is little due to the diameter of fiber own, length is short, fiber is softer, it is not easy to puncture film bag (i.e. avoid a diameter of 6-13um of the prior art, the glass fibre of a length of 4-20mm easily punctures the situation of aluminizer bag), so applicable aluminizer produces VIP；This avoids chopped silk core or dry method Chopped Strand Mat core is large-area contacts with film bag, effectively prevent the risk of fiber puncture film bag；Foil laminated film can certainly be used as required to produce VIP；
(5), in the present invention, described composite core material can be suitable for polytype film material and produce VIP；By the arranging scheme of this composite core material, breaching the restriction that thick diameter core can only use foil laminated film to produce, the VIP plate being actually needed produced by composite core material film material of can arbitrarily arranging in pairs or groups；
(6) chopped silk core of the prior art and dry method Chopped Strand Mat core are the most fluffy, in order to promote chopped silk and dry method Chopped Strand Mat core performance, binding agent can be reduced in process of production as far as possible, so chopped silk core and dry method Chopped Strand Mat core are easily caused central layer breakage in process of production, chopped silk drops, it is difficult to pack and affects sealing bag bag mouth sealing, the phenomenons such as finished surface out-of-flatness, and use superfine glass fiber cotton can effectively solve these problems after core in the middle of levels parcel, and SiO can be solved2Bisque or SiO2The unfavorable factor that sheet material leakage powder brings, it is ensured that the reliability that bag mouth seals.
Accompanying drawing explanation
For enabling the invention to more clearly be understood, with specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the end face structure schematic diagram of the decorative heat-preservation plate of the present invention；
Fig. 2 is the A-A sectional structure chart of Fig. 1；
Fig. 3 is the structural representation when completing described production stage A of the VIP plate in embodiment 1；
Fig. 4 is the schematic diagram of a kind of modification structures of Fig. 3；
Fig. 5 is the schematic diagram of the another kind of modification structures of Fig. 3；
Fig. 6 is that described VIP plate uses two encapsulating films structural representation when completing described production stage A；
Fig. 7 is the schematic diagram of a kind of modification structures of Fig. 6；
Fig. 8 is the schematic diagram of the another kind of modification structures of Fig. 6；
Fig. 9 is the sectional structure chart of the VIP plate of Fig. 6；
Figure 10 is the schematic diagram of the product vertex angle part of the described production stage B implementing above-mentioned VIP plate；
Figure 11 has been the schematic diagram of the product vertex angle part of the described production stage B of above-mentioned VIP plate；
Figure 12 has been the schematic diagram of the product vertex angle part of the described production stage C of above-mentioned VIP plate；
Figure 13 is the schematic diagram of the product vertex angle part of the described production stage D implementing above-mentioned VIP plate；
Figure 14 has been the schematic diagram of the product vertex angle part of the described production stage D of above-mentioned VIP plate；
Figure 15 is the schematic diagram of the flanging step one on a pair adjacent seals limit of VIP plate of the prior art；
Figure 16 is the schematic diagram of the flanging step 2 on a pair adjacent seals limit in Figure 15；
Figure 17 is the shape assumption diagram of the refrigerator with decorative heat-preservation plate in embodiment；
Figure 18 is the structural representation of the process units of core material of vacuum heat insulation plate；
Figure 19 is a kind of cross-sectional view of core material of vacuum heat insulation plate, and it is used the glass fibre sheet of wet paper manufacturing method molding and the alternately laminated molding of glass mat using dry method non-woven fabrics craft molding by multilamellar；
Figure 20 is the another kind of cross-sectional view of core material of vacuum heat insulation plate, and it is used the compressing alternately laminated molding of plate of the glass fibre sheet of wet paper manufacturing method molding, the glass mat and the silicon dioxide bisque that use dry method non-woven fabrics craft molding or employing silicon dioxide powder by multilamellar.
Detailed description of the invention
Embodiment 1
Such as Fig. 1 to 2, the decorative heat-preservation plate of the present embodiment includes: VIP plate 3 and be bonded in the cellulose plate 4 on the both sides of this VIP plate 3 or single side by pressure sensitive adhesive (i.e. acrylic glue) or silica gel.Wherein, acrylic glue has ambient temperature curable, the many merits such as easy to operate, adhesive strength is high, quick location, high resiliency, solidfied material are nontoxic；Acrylic glue is one-component, has water-fast, heat-resisting, cold-resistant, ageing-resistant, acid and alkali-resistance, corrosion resistance, the oil resistant of excellence and without good characteristics such as albefactions, it is adaptable to refrigerator, refrigerator-freezer etc. have the environment of greasy dirt.
The lateral surface of described cellulose plate 4 is provided with decorative layer, and can carry out carving, tint and various decoration.
The band of described VIP plate surrounding or sealing strip 7, and the medial surface of this band or sealing strip 7 and described cellulose plate 4 is tightly connected, and for arranging the scheme of cellulose plate in the both sides of VIP plate, can prevent dirt from entering between two pieces of cellulose plates and polluting VIP plate.This band or sealing strip 7 are made up of the material of silicone rubber or other anticorrosions, high-low temperature resistant.
Described VIP plate 3 can use the VIP plate of any producer of prior art, and preferred as one, the VIP plate 3 of the present embodiment includes: core 1, for encapsulating the encapsulating film 2 of this core 1；Described encapsulating film 2 is individual, and in the way of head and the tail hot-melt adhesive paste, it is coated with lower planes and the left and right side of described core 1, and its head and the tail junction 21 not on the left and right side of described core 1 (such as Fig. 3 to 5, the neighbouring side distribution in the upper plane or lower plane of described core 1 in described head and the tail junction 21, or the marginal distribution of the up or down plane adjacent to core 1, or distribution or the central distribution of neighbouring core up or down plane on the seamed edge of core)；The extension 22 of the forward and backward side extending described core 1 of described encapsulating film 2, after heat sealing, folds and is pasted onto on the forward and backward side of described core 1.
Such as Figure 10 to 14, the extension 22 of described encapsulating film 2 does not turn down along four seamed edges of the forward and backward side of described core 1 to inner side central symmetry；During turnover, on the opening of described extension 22, the part 23 of neighbouring minor face is in M font；After turnover, the part of the forward and backward side of the neighbouring described core 1 of described extension 22 is close on the forward and backward side of described core 1 respectively, to reduce the space between core 1 and encapsulating film 2 as far as possible, to reduce the generation of fold.
Described core 1 is the core of parallelepiped, and this core 1 is made up of compound glass fibre sheet material or at least one of which porous organic material plate.
The longer upper and lower plane entirety of the VIP plate of the present embodiment is flatter, article two, longer heat sealing, in the upper plane and/or lower plane of described core, it is to avoid it is at sidepiece flanging, so having replied heat bridge effect relatively low, improve the overall heat-insulating property of VIP plate.
Such as Figure 17, the refrigerator with decorative heat-preservation plate of application the present embodiment includes: casing 5 and the hermatic door 6 being movably connected in the front openings of this casing 5, the outer side panel of the left plate of above-mentioned casing 5, right plate and hermatic door 6 is described decorative heat-preservation plate.
Embodiment 2
On the basis of embodiment 1, there is following modification in the present embodiment:
Such as Fig. 6 to 8, described encapsulating film 2 is the most end to end two, the while of corresponding two described head and the tail junctions 21 in the upper plane or lower plane of described core, or simultaneously on the seamed edge of described core 1, or respectively in the upper and lower plane of described core 1.
Embodiment 3
The production method of the VIP plate of above-described embodiment 1 or 2, comprises the steps:
A, at least one encapsulating film is coated with upper and lower plane and the left and right side of described core after, hot-melt adhesive paste from beginning to end, and described head and the tail junction is not on the left and right side of described core；
B, described encapsulating film the forward and backward side extending described core extension respectively along described core forward and backward side four seamed edges to inner side central symmetry turn down；During turnover, on the opening of described extension, the part of neighbouring minor face is M font；
After C, turnover, the part of the forward and backward side of the neighbouring described core of described extension is close on the forward and backward side of described core respectively；
D, by the opening heat sealing of the described extension of side, then by opening evacuation the heat sealing of opposite side；Finally, two sealings being carried out artificial flanging, blend compounds band is fixed.
Embodiment 4
Such as Figure 19, the described core of one of embodiment 1-3 includes by the glass fibre sheet 8(i.e. chopped silk core using wet paper manufacturing method molding of 10 to 30 layer stackup) the middle core that constitutes；At least one of which superfine glass fiber cotton piece material 9 it is completely covered with in the both sides up and down of this middle core；Fibre diameter in described superfine glass fiber cotton piece material 9 is 1-4um, a length of 1-5mm, the heat conductivity≤0.0025W/m.k of the vacuum heat-insulating plate being made up of this core.
As a kind of variable embodiment, described middle core is located in the bag being made up of above-mentioned superfine glass fiber cotton piece material, or above-mentioned superfine glass fiber cotton piece material 9 wraps up the edge of described middle core, to avoid the edge of glass fibre sheet 8 directly to come in contact with aluminizer or foil laminated film.
Described glass fibre sheet is by using a diameter of 6-13um, and the glass chopped silk that a length of 4-20mm fiber elongation method produces is through wet paper manufacturing method molding.
The manufacture method of above-mentioned core material of vacuum heat insulation plate, specifically comprising the following steps that of this manufacture method
(A) a diameter of 6-13um, the glass chopped silk of a length of 4-20mm fiber elongation method production are taken；
(B) being disperseed by above-mentioned glass fibre, then add water stirring, sends into pond with slurry dilute, diluted concentration to 0.8wt% after stirring, and add above two glass fibre gross weight 0.012% hydroxylated cellulose, to reduce electrostatic effect；
(C) glass fiber slurry diluted is sent into storage stock tank；
(D) slurry stored in stock tank is sent into flow box 12, the serosity 13 that flow box 12 flows out flows on forming net 11 by multilamellar nozzle 14 layering, equipped with the blower fan suction inlet (i.e. negative pressure suction inlet 15) corresponding with nozzle 14 and carry out batch vacuum dehydration below forming net 11.Fiber after dehydration be deposited on forming net 11 formation uniformly, arrange orderly lamella, i.e. make glass chopped silk wet plate；When in this step, glass fiber slurry is dehydrated by forming net 11, the speed of forming net 11 is 20-25 m/min；
(E) use pressure roller 16 that glass fibre wet plate is laterally rolled, make surfacing, the thickness of glass fibre wet plate is adjusted simultaneously, make glass fibre wet plate thickness be adjusted to 1.5mm；
(F) the glass fibre wet plate completing shaping is phoresied the moisture removal of 60% in glass fibre wet plate in the conveyer belt of negative pressure of vacuum, make glass fibre wet plate water content control below 40%；
(G) then the glass fibre wet plate removing moisture removal being sent into baking and curing in baking box, baking the temperature inside the box controls at 280 degrees Celsius, and baking time is 15 minutes；Fiber glass core sheet material is formed after having toasted；
(H) take a diameter of 1-4um, a length of 1-5mm superfine glass fiber cotton, and repeat the above steps (B)-(F) obtain wet plate, this wet plate is sent into baking and curing in baking box, baking the temperature inside the box controls at 280 degrees Celsius, and baking time is 15 minutes；Superfine glass fiber cotton piece material is formed after having toasted；
(I) by glass fibre sheet stacking described in multilamellar and middle core is constituted according to production requirement；After superfine glass fiber cotton piece material is laid in the both sides up and down of this middle core, carry out cutting, cut into 600mm × 600mm, i.e. obtain core material of vacuum heat insulation plate finished product.
Figure 18, the top surface inclination of described forming net 11 is arranged；Forming net 11 is arranged over the diversion channel 17 being connected with described flow box 12, and the base plate of this diversion channel 17 is parallel with the end face of described forming net 11, and the base plate of diversion channel 17 is evenly distributed with the narrow slit type nozzle 14 that the length direction of multiple and described forming net 11 is vertical；Each negative pressure suction inlet 15 is oppositely arranged and is distributed in the side, downstream of each narrow slit type nozzle 14 with described narrow slit type nozzle 14 respectively, and the fiber being beneficial in serosity is evenly distributed on the end face of described forming net.The width of narrow slit type nozzle 14 is 1-8mm.
Described forming net 11 is conveyor type, is beneficial to produce continuously；The direction of transfer of forming net 11 end face is from bottom to top, and beneficially fiber is deposited on described forming net and thickness is uniform, layer distributed, major part are parallel with the end face of glass fibre sheet.
Alternatively, in described step (I), the silicon dioxide bisque of 10mm thickness or the plate 10 that employing silicon dioxide powder is compressing it is provided with, such as Figure 20 between glass fibre sheet 8 between adjacent two layers glass fibre sheet 8 or adjacent and superfine glass fiber cotton piece material 9.
Embodiment 5
The middle core of the core material of vacuum heat insulation plate of this example is by compound glass fibre sheet material through wet paper manufacturing method molding after using glass chopped silk and glass fibre cotton uniformly to mix, with the alternately laminated molding of single-layer glass fiber felt that at least one of which uses dry method non-woven fabrics craft molding, then described superfine glass fiber cotton piece material, the heat conductivity≤0.0025W/m.k of the vacuum heat-insulating plate being made up of this core are all laid in the middle upper and lower both sides of core.
Embodiment 6
The middle core of the core material of vacuum heat insulation plate of this example is made up of the glass mat using dry method non-woven fabrics craft molding, then described superfine glass fiber cotton piece material, the heat conductivity≤0.0030W/m.k of the vacuum heat-insulating plate being made up of this core are all laid in these upper and lower both sides of middle core.
Above-mentioned glass mat uses centrifugal injection method (abbreviation centrifuging) to produce glass microfiber technique；Centrifuging produces its production technology of glass microfiber and includes: raw material system, found system, fiberizing system, burning gases mixing feed system etc..Raw material sends into glass melter after mixing according to proportioning, and the vitreous humour melted flows out through the bushing of material road end, enters centrifuge.Under the centrifuge of high speed rotating drives, nearly ten thousand strands of glass threads that centrifuge sidewall throws away, under the high temperature and high speed flame that combustor produces, it is further drawn, cuts into the fiber of certain length.This technique be first spinning head perisporium hole in throw away initial glass thread, the high temperature and high speed flame that followed by combustor produces carries out succeeding stretch to glass thread.
Embodiment 7
A kind of vacuum heat-insulating plate, it includes the core material of vacuum heat insulation plate that one of above-described embodiment 4-6 is described, and be coated on this core material of vacuum heat insulation plate, for realizing aluminizer or the foil laminated film of evacuation, or the bag for evacuation being made up of above-mentioned aluminizer or foil laminated film.
Polyester aluminium coated (VMPET) that described aluminizer includes about 2 to 5 layers laminations, that 12um is thick, and it is in each polyester aluminium coated (VMPET) bottom, the linear low density polyethylene layer (LLDPE) of 50um thickness.
Described foil laminated film includes successively the nylon layer (15um) of lamination, polyester aluminium coated (12um), aluminum layer (7um) and linear low density polyethylene (50um) up and down.
Embodiment 8
Such as Figure 17, the refrigerating equipment of the decorative heat-preservation plate that one of Application Example 1-3 is described includes: casing 5 and the hermatic door 6 being movably connected on the opening of this casing 5, the outer side panel of above-mentioned casing and hermatic door 6 is decorative heat-preservation plate.
Obviously, above-described embodiment is only for clearly demonstrating example of the present invention, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And these spirit belonging to the present invention are extended out obvious change or variation still in protection scope of the present invention among.
Claims (9)
1. a decorative heat-preservation plate, it is characterised in that including: VIP plate and the cellulose plate being connected on the both sides of this VIP plate or single side；Described VIP plate includes: core, for encapsulating the encapsulating film of this core；
Described encapsulating film is at least one, and is coated with lower planes and the left and right side of described core in the way of head and the tail hot-melt adhesive paste, and its head and the tail junction is not on the left and right side of described core；After the extension heat sealing of the forward and backward side extending described core of described encapsulating film, fold and be pasted onto on the forward and backward side of described core；
The core of above-mentioned VIP plate includes: the middle core that the lamination of glass fibre sheet and glass mat is constituted；It is coated with superfine glass fiber cotton piece material in the both sides up and down of this middle core；Fibre diameter in described superfine glass fiber cotton piece material is 1-4um, a length of 1-5mm；
Described glass fibre sheet and the glass fibre layer distributed in glass mat, major part are parallel with end face, and the glass fibre random distribution in isoplanar, the thickness of this glass fibre sheet is uniform.
2. a decorative heat-preservation plate, it is characterised in that including: VIP plate and the cellulose plate being connected on the both sides of this VIP plate or single side；Described VIP plate includes: core, for encapsulating the encapsulating film of this core；
Encapsulating film is one, and is coated with lower planes and the left and right side of described core in the way of head and the tail hot-melt adhesive paste, and its head and the tail junction is in the upper plane or lower plane of described core, or on the seamed edge of described core；
The core of above-mentioned VIP plate includes: the middle core that the lamination of glass fibre sheet and glass mat is constituted；It is coated with superfine glass fiber cotton piece material in the both sides up and down of this middle core；Fibre diameter in described superfine glass fiber cotton piece material is 1-4um, a length of 1-5mm；
Described glass fibre sheet and the glass fibre layer distributed in glass mat, major part are parallel with end face, and the glass fibre random distribution in isoplanar, the thickness of this glass fibre sheet is uniform；
Silicon dioxide bisque thick for 1-15mm or SiO it is provided with between adjacent glass fibre sheet and glass mat2Plate, SiO2Plate uses gas phase SiO2, SiC powder compressing after stirring with some inorfils.
3. a decorative heat-preservation plate, it is characterised in that including: VIP plate and the cellulose plate being connected on the both sides of this VIP plate or single side；Described VIP plate includes: core, for encapsulating the encapsulating film of this core；
Described encapsulating film is the most end to end two, and in the way of head and the tail hot-melt adhesive paste, it is coated with lower planes and the left and right side of described core, corresponding two head and the tail junctions are simultaneously in the upper plane or lower plane of described core, or simultaneously on the seamed edge of described core, or respectively in the upper and lower plane of described core；
The core of above-mentioned VIP plate includes: the middle core that the lamination of glass fibre sheet and glass mat is constituted；It is coated with superfine glass fiber cotton piece material in the both sides up and down of this middle core；Fibre diameter in described superfine glass fiber cotton piece material is 1-4um, a length of 1-5mm；
Described glass fibre sheet and the glass fibre layer distributed in glass mat, major part are parallel with end face, and the glass fibre random distribution in isoplanar, the thickness of this glass fibre sheet is uniform；
The manufacture method of above-mentioned core, comprises the steps:
(1) a diameter of 6-13um, the glass chopped silk of a length of 4-20mm fiber elongation method production are taken；Or, take the glass fibre cotton mixing that 70-100wt%, a diameter of 6-13um, a length of 4-20mm, the glass chopped silk of fiber elongation method production and 0-30wt%, a diameter of 1.0-4um, a length of 1-5mm, flame method produce；
(2) being disperseed by above-mentioned glass fibre, then add water stirring, sends into pond with slurry dilute, diluted concentration to 0.3-1.0wt% after stirring；
(3) slurry diluted being sent into flow box, the serosity layering that flow box flows out flows on a forming net, be evenly distributed with negative pressure suction inlet under this forming net, to be dehydrated；Fiber after dehydration is deposited on described forming net and thickness is uniform, layer distributed is parallel with end face, forms the lamella of desired thickness, i.e. obtains wet plate；
(4) use pressure roller that above-mentioned wet plate is rolled so that it is surfacing, thickness are uniform；
(5) wet plate that will complete above-mentioned steps (4) forms glass fibre sheet after dehydration, dried；
(6) take a diameter of 1-4um, a length of 1-5mm superfine glass fiber cotton, and repeat the above steps (2)-(4) obtain wet plate, this wet plate is formed after dehydration, dried superfine glass fiber cotton piece material；
(7) middle core will be constituted after above-mentioned for multilamellar glass fibre sheet stacking；After superfine glass fiber cotton piece material is laid in the both sides up and down of this middle core, carry out cutting, make required core.
4. according to the decorative heat-preservation plate one of claim 1-3 Suo Shu, it is characterised in that: the extension of described encapsulating film turns down to inner side central symmetry respectively along four seamed edges of the forward and backward side of described core；During turnover, on the opening of described extension, the part of neighbouring minor face is M font；After turnover, the part of the forward and backward side of the neighbouring described core of described extension is close on the forward and backward side of described core respectively.
5. according to the decorative heat-preservation plate one of claim 1-3 Suo Shu, it is characterised in that: described core is the core of parallelepiped.
Decorative heat-preservation plate the most according to claim 1, it is characterised in that: the lateral surface of described cellulose plate is provided with decorative layer.
7. according to the decorative heat-preservation plate described in claim 1 or 6, it is characterised in that: described decorative heat-preservation plate also includes band or the sealing strip being located at described VIP plate surrounding.
Decorative heat-preservation plate the most according to claim 7, it is characterised in that: described band or sealing strip are tightly connected with the medial surface of described cellulose plate.
9. apply a refrigerating equipment for the described decorative heat-preservation plate of one of the claims 1-3, comprising: casing and the hermatic door that is movably connected on the opening of this casing, it is characterised in that: the outer side panel of above-mentioned casing and hermatic door is decorative heat-preservation plate.
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| CN201310364346.5A CN104421573B (en) | 2013-08-20 | 2013-08-20 | A kind of decorative heat-preservation plate and apply the refrigerating equipment of this plate |
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| CN104930303B (en) * | 2015-05-21 | 2017-03-22 | 江苏瀚艺商用空调有限公司 | Heat retaining board without rivet or cold bridge and manufacturing process of heat retaining board |
| CN108468909A (en) * | 2018-05-23 | 2018-08-31 | 滁州银兴新材料科技有限公司 | A kind of vacuum heat-insulating plate of novel low bridge long-life |
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| WO1995019533A1 (en) * | 1994-01-12 | 1995-07-20 | Marlow Industries, Inc. | Thermoelectric refrigerator |
| CN1502525A (en) * | 2002-11-26 | 2004-06-09 | 瑞帕克亚太有限公司 | Bag with internal accessories and mfg method |
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Owner name: CHANGZHOU SANYOU D + VIPS INSULATING MATERIALS MAN Free format text: FORMER OWNER: CHANGZHOU SANYOU D + VIPS NEW ENERGY SAVING MATERIALS MANUFACTURING CO., LTD. Effective date: 20150824 |
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Effective date of registration: 20150824 Address after: 213000 Jiangsu city of Changzhou province Wujin fruit Road Economic Development Zone No. 10 Applicant after: CHANGZHOU SANYOU DIOR INSULATION MATERIALS MFG CO., LTD. Address before: 213000, No. 10, fruit Road, Wujin Economic Development Zone, Jiangsu, Changzhou Applicant before: Changzhou Sanyou D & VIPS New Energy-saving Materials Mfg. Co., Ltd. |
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Address after: 213000, No. 10, fruit Road, Wujin Economic Development Zone, Jiangsu, Changzhou Applicant after: JIANGSU SANYOU DIOR ENERGY-SAVING NEW MATERIALS CO., LTD. Address before: 213000 Jiangsu city of Changzhou province Wujin fruit Road Economic Development Zone No. 10 Applicant before: CHANGZHOU SANYOU DIOR INSULATION MATERIALS MFG CO., LTD. |
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