CN201660977U

CN201660977U - Novel vacuum thermal insulation composite board

Info

Publication number: CN201660977U
Application number: CN2010201442410U
Authority: CN
Inventors: 王韬; 王玉亭
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-03-26
Filing date: 2010-03-26
Publication date: 2010-12-01
Anticipated expiration: 2020-03-26

Abstract

The utility model provides a novel vacuum thermal insulation composite board which relates to a composite material. The utility model aims at providing a novel vacuum thermal insulation composite board which has the advantages of reasonable structure, good mechanical property, convenient forming and simple manufacture. The novel vacuum thermal insulation composite board includes a vacuum thermal insulation layer and panels sandwiched between the two sides of the vacuum thermal insulation layer; the vacuum thermal insulation layer is to sandwich a truncated pyramid body honeycomb core between the panels at the two sides; neighboring honeycomb units are mutually penetrated; and edge bandings are sealed and fixed at the periphery of the honeycomb core. The honeycomb core structure is a novel low-cost vacuum thermal insulation material which is firmer and more stable, is uneasy to be deformed, has excellent mechanical properties like resisting positive pressure, negative pressure, bending, etc, has large advantages on the aspects like resisting impact, energy absorption, dissipation, etc, has a simple and easy forming technique, saves materials, has a low cost, can be broadly used in a plurality of fields, and is suitable for large-scale batch production.

Description

Novel evacuated thermal insulating composite panel

Technical field

The utility model relates to a kind of composite material, is specially a kind of thermal insulating composite panel.

Background technology

The vacuum heat-preserving technology has obtained extensive use in our daily life, people have experienced the benefit of vacuum heat-preserving.The vacuum heat-insulating layer in the middle of the vacuum heat-preserving composite plate of using comprises at present and the panel of both sides thereof, be subjected to the influence of its structure, technology, the relatively poor problems of mechanical property such as the resistance to compression of this vacuum thermal insulating material, bending resistance and strength and stiffness never obtain fine solution.Therefore, vacuum thermal insulating material only is applied in the miscellaneous goods with resistance to compression geometry at present, for example on the little vessel such as vacuum flask, thermos cup, and also be not used widely in all many-sides such as construction wall, door-plate, automobile, train, steamer, aircraft, refrigerator, tun jars.

Summary of the invention

The purpose of this utility model just provides a kind of rational in infrastructure, and mechanical property is good, is convenient to be shaped, and makes simple novel evacuated thermal insulating composite panel, thereby enlarges the range of application and the field of vacuum thermal insulating material.

The technical solution adopted in the utility model is: a kind of novel evacuated thermal insulating composite panel, comprise vacuum heat-insulating layer and be clipped in the panel of its both sides, described vacuum heat-insulating layer is to accompany pyramid stage body honeycomb core between the panel of both sides, connect mutually between the adjacent cellular unit, the sealing of honeycomb core periphery has the edge sealing bar.

Panel and honeycomb core all can be selected metal or nonmetal preparation for use.Honeycomb core is to be processed into a series of concavo-convex staggered dot matrix frustum of a pyramid shape structural slabs with the monoblock thin plate, connect mutually between the adjacent honeycomb core frustum of a pyramid body unit, the facet on pyramid stage body top makes things convenient for being adhesively fixed of both sides panel, can be taper stage body structures such as triangular pyramid stage body, rectangular pyramid stage body, firm stable, not yielding.The edge sealing bar can be prepared into C type shape or strip by metal or nonmetals, and with upper and lower panel welding or bondingly become seal chamber, inside is evacuated.

It is that polygonal pyramid stage body monoblock processes that honeycomb core described in the utility model adopts concavo-convex pyramidal shape, structure is more firm stable, not yielding, especially under the effect of upper and lower panel, concavo-convex polygonal pyramid platform connects each other, interacts, and supports mutually to have constituted a firm integral body, have mechanical properties such as good anti-malleation, anti-negative pressure, anti-shearing, bending resistance, have very big advantage at aspects such as opposing impact, energy absorption and dissipation.The bonding of core and panel is that face is affixed, and its prepared sandwiched plate is an integral body, and its anti-fissility, rigidity, intensity have all had very big lifting.From manufacturing the stereochemical structure that the polygonal pyramid stage body is made up of several planes, because shaping form is a polygonal pyramid platform shape, be difficult for during shaping tearing, forming technology is simple easily, materials are economized, cost is low, product defects is few.Mold Making is simple, the easily demoulding in the coremaking process, but continuous high-efficient production.This novel honeycomb vacuum heat-preserving composite plate has remedied many defectives of vacuum thermal insulating material in the past, is a kind of mechanical property and heat insulating ability excellence, can extensively adopt at numerous areas, is fit to the low cost new vacuum thermal insulating material of large-scale mass production.Remarkable excellent results of the present utility model is excellent mechanical property such as the resistance to compression, bending resistance of the existing cellular board of this plate, the characteristic that vacuum heat-preserving is arranged again, make prepared vacuum heat-preserving cellular sandwich composite plate can be used as the insulation layer or the panel of all many-sides such as construction wall, door-plate, automobile, train, steamer, aircraft, refrigerator (cabinet), incubator, tun jar, reach raising intensity and toughness, heat insulation energy-conserving, reduce volume, low cost and purpose attractive in appearance.

Description of drawings

Fig. 1 is the schematic diagram of triangular taper cellular sandwich;

Fig. 2 is the schematic diagram of rectangular pyramid shape cellular sandwich;

Fig. 3 is a pyramid-shaped structures cellular sandwich partial schematic diagram;

Fig. 4 is the utility model honeycomb vacuum heat-preserving composite plate schematic diagram;

Fig. 5 is the schematic diagram of the utility model honeycomb vacuum heat-preserving composite plate side;

Fig. 6 A is a C edge sealing bar schematic diagram;

Fig. 6 B is a strip edge sealing bar schematic diagram;

Fig. 7 is the schematic diagram of double-deck honeycomb vacuum heat-preserving composite plate;

Among the figure, the 1-panel; The 2-honeycomb core; 3-edge sealing bar; The 4-V connected in star; The 5-air vent; 6-air extracting seal valve.

The specific embodiment

Shown in Fig. 1,2,4,5, a kind of novel heat insulation composite plate described in the utility model comprises vacuum heat-insulating layer and is clipped in the panel 1 of its both sides, described vacuum heat-insulating layer is to accompany pyramid stage body honeycomb core 2 between both sides panel 1, connect mutually between the adjacent cellular unit, the sealing of honeycomb core periphery has edge sealing bar 3.

As shown in Figure 3, the pyramid stage body slant edge junction of the projection of described pyramid stage body honeycomb core 2 forms v-depression, concavo-convex adjacent inclined-plane is shared, thereby form the interdependent each other concavo-convex pyramid-shaped structures integral body that interacts, the v-depression that the slant edge junction forms connects the cellular unit on the monoblock central layer mutually.

The central layer top and bottom are ventilative is convenient to make vacuum state in order to make, and has air vent 5 (as shown in Figure 3) on the central layer inclined-plane of pyramid stage body honeycomb core.

Air extracting seal valve 6 (as shown in Figure 4) is housed on panel 1 or the edge sealing bar 3, its position is determined according to the mode of occupation of reality, and in position locate to install the getter box or directly getter zirconium vanadium iron is placed in the honeycomb core groove, with the absorption of residual residual air body extension evacuated panel life-span.

Upper and lower panel 1 can adopt the metal material of 1mm to 2mm such as industrial aluminium sheet, corrosion resistant plate, steel plate etc., also can adopt the nonmetals of 1mm to 2mm such as aluminium-plastic panel, plastic plate, glass epoxy etc.Upper and lower panel 1 can adopt same material, also can adopt foreign material to make up arbitrarily respectively, take all factors into consideration selection according to instructions for use and environment.The metal sheet inner surface is through polishing, plated film, and nonmetal inner surface is pasted with aluminium foil.

The material of honeycomb core 2 preparations also can adopt metal material, as industrial aluminium sheet, corrosion resistant plate, steel plate etc., equally also can adopt nonmetals such as plastic plate/sheet material etc., honeycomb core 2 is dot matrix supporters of a series of concavo-convex staggered frustum of a pyramid shape that is processed into through mold pressing, roll extrusion etc. with monoblock sheet material or sheet material, thereby forming the interdependent each other concavo-convex pyramid-shaped structures integral body that interacts, can be taper stage body structures (as shown in Figure 1, 2) such as triangular pyramid stage body, rectangular pyramid stage body.The honeycomb core 2 coefficient of thermal conductivity height that adopt metal material to make, what just be commonly called as has " heat bridge ", and intensity and toughness is good but heat insulating ability is not good enough.The little good heat preservation performance of honeycomb core 2 coefficient of thermal conductivity that adopts non-metal board/sheet material to make, but intensity and toughness is not good enough.How to select raw material will take all factors into consideration the purposes of this composite plate, requirements such as environment for use make its heat-insulating property want high, and mechanical property also will improve as far as possible, and cost of production also will reduce as far as possible simultaneously.

The concavo-convex size of pyramidion on the central layer and the depth, also directly mechanical property, the heat-insulating property of the prepared honeycomb core plate of influence and the difficulty or ease that shape will be taken all factors into consideration design alternative according to the required mechanical property of vacuum heat-preserving cellular sandwich composite plate and vacuum heat-preserving and the working ability that possesses equally.The edge sealing bar 3 of periphery sealing can adopt by metal material such as aluminium sheet, steel plate, corrosion resistant plates, perhaps adopt nonmetals such as plastic plate, glass epoxy to prepare, C type edge sealing bar or strip edge strip (as shown in Figure 6) are with metal upper and lower panel welding or bondingly become seal chamber.

Below in conjunction with specific embodiment the utility model is described further.

Embodiment 1 preparation welding type metallic vacuum heat-preserving cellular sandwich composite plate: upper and lower panel 1 adopts the industrial aluminium sheet of 1mm, and inner surface polishing or coating are handled, and form the low-E surface.Honeycomb core 2 is placed between the upper and lower mould through hot pressing or rolling by 0.3mm aluminium sheet/paper tinsel, makes the pyramid stage body honeycomb core 2 of concavo-convex band V-type groove 4 and little air vent 5.Edge sealing bar 3 adopts the 1mm aluminium sheet to be bent into Fig. 3 A shape.Metal honeycomb core is laid soldering lug on small end face and four edge sealing bars about in the of 2, assemble upper and lower panel and edge sealing bar and heating pressurization, assembly welding becomes airtight cavity layer.Perhaps upper and lower panel 1, honeycomb core 2, edge sealing bar 3 are fitted together, periphery welding sealing need not be welded between panel 1 and the honeycomb core 2, utilizes atmospheric pressure that honeycomb core 2 is clamped.Air extracting seal valve 6 is gone up in the processing assembling then, the metal vacuum insulation honeycomb sandwich board of system.

The adhered vacuum heat-preserving cellular sandwich composite plate of embodiment 2 preparations: top panel, lower panel adopt the industrial aluminium sheet of 1mm, and inner surface polishing or coating are handled, and form the low-E surface.Honeycomb core 2 is processed through mold pressing by the 0.5mmPVC sheet material, and edge sealing bar 3 adopts the 1mm aluminium sheet to be bent into Fig. 3 A shape.With evenly being coated with the PU-203 bonding adhesive that rolls A, B component and assembling upper and lower panel on small end face about the made PVC honeycomb core and the edge sealing bar, be placed on the 1kg/m that pressurizes on the forcing press ²About keep 8h, bonding agent solidifies the airtight cavity layer of back system, perhaps upper and lower panel 1, honeycomb core 2, edge sealing bar 3 is fitted together, periphery welding sealing need not be coated with between panel 1 and the honeycomb core 2 and roll bonding agent, utilizes atmospheric pressure with honeycomb core 2 clampings.Air extracting seal valve 6, i.e. Zhi adhered vacuum heat-preserving honeycomb sandwich board are gone up in the processing assembling then.

Prepare adhered metal vacuum insulation honeycomb sandwich board, its upper and lower panel 1 can all adopt metal, also can simultaneously be that metal simultaneously is nonmetal, and same honeycomb core 2 also can adopt metal, can make up arbitrarily as required.

The nonmetal vacuum heat-preserving cellular sandwich composite plate of embodiment 3 preparations: upper and lower panel 1 adopts the glass epoxy of 1mm, and inner surface is pasted aluminium foil, forms the low-E surface.Honeycomb core 2 is heated to 120 ° of mold pressings by the 0.5mmPVC sheet material through forming machine and processes, and edge sealing bar 3 adopts glass epoxy to make Fig. 3 B shape.Rolled epoxy resin adhesive with evenly being coated with on made honeycomb core 2 small end faces and on the edge sealing bar 3, be coated with the amount of rolling and be controlled at 100g/m ²About, and the upper and lower panel 1 of 1mm fitted together with honeycomb core 2, edge sealing bar 3, put into hot press heating pressurization or normal temperature cure, air extracting seal valve 6, i.e. Zhi nonmetal vacuum heat-preserving honeycomb sandwich board are gone up in the processing assembling then.

Embodiment 4 as shown in Figure 7, prepare bonding type plate bipyramid stage body cellular sandwich composite plate: be docking together by double-deck honeycomb core 2 and make, the affixed of its double-deck honeycomb core 2 is to be welded relatively or bonding forming by the plane at frustum of a pyramid top, and upper and lower panel 1 and pyramid honeycomb sandwich board prepare as mentioned above.The thickening pyramid honeycomb sandwich board that this design form can be made, strength and stiffness also can further promote.

Claims

1. novel heat insulation composite plate, comprise vacuum heat-insulating layer and be clipped in the panel (1) of its both sides, it is characterized in that: described vacuum heat-insulating layer is to accompany pyramid stage body honeycomb core (2) between both sides panel (1), connect mutually between the adjacent cellular unit, the peripheral sealing of honeycomb core (2) has edge sealing bar (3).

2. novel heat insulation composite plate according to claim 1 is characterized in that: the pyramid stage body slant edge junction of the projection of described pyramid stage body honeycomb core (2) forms v-depression (4).

3. novel heat insulation composite plate according to claim 1 and 2 is characterized in that: have air vent (5) on the central layer inclined-plane of pyramid stage body honeycomb core (2).

4. novel heat insulation composite plate according to claim 1 and 2 is characterized in that: on panel (1) or the edge sealing bar (3) air extracting seal valve (6) is housed.