CN110253976A - A kind of vacuum heat-insulation corrugated sandwich board - Google Patents
A kind of vacuum heat-insulation corrugated sandwich board Download PDFInfo
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- CN110253976A CN110253976A CN201910556785.3A CN201910556785A CN110253976A CN 110253976 A CN110253976 A CN 110253976A CN 201910556785 A CN201910556785 A CN 201910556785A CN 110253976 A CN110253976 A CN 110253976A
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- vacuum
- insulation
- vacuum heat
- heat
- sandwich board
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
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Classifications
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- B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
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- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
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- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60P3/20—Refrigerated goods vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/04—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains
- B62D33/048—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains for refrigerated goods vehicles
-
- 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
- E04B1/7608—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 comprising a prefabricated insulating layer, disposed between two other layers or panels
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- E—FIXED CONSTRUCTIONS
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- 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
- E04B1/803—Heat insulating elements slab-shaped with vacuum spaces included in the slab
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- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2262/10—Inorganic fibres
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
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- 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
- B32B2605/00—Vehicles
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- 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
- B32B2607/00—Walls, panels
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/242—Slab shaped vacuum insulation
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/10—Insulation, e.g. vacuum or aerogel insulation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Acoustics & Sound (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Thermal Insulation (AREA)
Abstract
The disclosure belongs to vacuum heat-insulation field of compound material, and in particular to a kind of vacuum heat-insulation corrugated sandwich board.Vacuum heat insulation material can be realized excellent heat insulation, have extensive use on the exterior wall of refrigerator car and energy-saving environment protection architecture by the bad conducting effect of heat of vacuum environment.Heat insulation effect can be realized since vacuum heat-insulation composite material usually requires to reach certain thickness, and vacuum heat-insulation corrugated sandwich board is frequently with light material, use intensity Shortcomings place.For above-mentioned status, the disclosure is studied for the reinforcing rib construction of composite plate, to improve the heat-proof quality and use intensity of vacuum composite plate.Present disclose provides a kind of vacuum composite plate sandwich with ripple, the core plate thermal coefficient of the construction is in 0.03w/mk hereinafter, have good heat insulation effect, and use intensity is higher, preparation method is simple, has good dissemination.
Description
Technical field
The disclosure belongs to vacuum heat-insulation field of compound material, and in particular to a kind of vacuum heat-insulation wave with corrugated core template
The preparation method and application of line battenboard, the vacuum heat-insulation corrugated sandwich board.
Background technique
The information for disclosing the background technology part is merely intended to increase the understanding to the general background of the disclosure, without certainty
It is considered as recognizing or implying in any form that information composition has become existing skill well known to persons skilled in the art
Art.
Vacuum heat-insulation technology reduces heat transfer and thermal convection by condition of high vacuum degree, is able to achieve excellent heat insulation, thermally conductive
Coefficient is in 11.5mW/mK hereinafter, only 1/10th of traditional insulation materials.Wherein, vacuum heat-insulation corrugated sandwich board is vacuum
One of thermal insulation material, vacuum heat-insulation corrugated sandwich board are generally made of core material, gas barrier layer and getter three parts, core
Material is used to support the vacuum environment of vacuum heat-insulation corrugated sandwich board, is porous foam or fiber.Vacuum heat-insulation corrugated sandwich board is logical
Frequently with air-tightness such as aluminium sheet, low carbon steel plate, aluminium-plastic panels, good and more lightweight material, works well, can be used as refrigerator car,
The heat-insulating wall use of refrigerator, energy saving and environment friendly building.
Refrigerating transport vehicle is main force's tool of cold chain transportation, and refrigerator carriage is the special equipment for guaranteeing transport low temperature environment,
Its heat-proof quality is the key that transport temperature stability and reduction energy consumption.Now studies have shown that: Refrigerated Transport compartment is universal at present
Using hard polyurethane foam material as heat-barrier material, thermal coefficient is controlled at 0.03W/ (mK), however, studies have shown that, lead to
It often needs just make carriage body reach relatively good heat insulation using the polyurethane of 100~120mm thickness, thicker heat-barrier material is not
Reduced by only carriage body can be using plot ratio, and increases transport energy consumption.In addition, since vacuum heat-insulation corrugated sandwich board is easier to
It punctures, intensity itself is lower, also limits a part application of vacuum heat-insulation corrugated sandwich board.
Liu Jiekun et al. is directed to the thermal property and vacuum heat-insulation of polyurethane sheet " Z " word and " work " word reinforcing rib structure
Corrugated sandwich board is nested in influence of the insulation board different location to envelope temperature.Result of study show reinforcing rib structure for for
The temperature of composite structure outside plate and inner panel has influence, and reinforcing rib construction improves the strong of vacuum heat-insulation corrugated sandwich board
Degree.It is promoted it has been recognised by the inventors that being had in vacuum heat-insulation corrugated sandwich board using performance of the reinforcing rib structure to thermal insulation board, but
It is that the prior art mainly adopts welding, splicing or bolted modes to construct reinforcing rib structure, above-mentioned building mode can be given
The production of vacuum heat-insulation corrugated sandwich board brings biggish workload, improves production difficulty.
Summary of the invention
For the studies above as a result, present disclose provides a kind of vacuum heat-insulation corrugated sandwich boards with ripple sandwich of layers.
The vacuum heat-insulation corrugated sandwich board of the construction is light high-strength, has excellent shock resistance, anti-shear performance, in the ripple direction of growth
With in its vertical direction have anisotropic mechanical property.Vaccum thermal insulation technique and ripple load-carrying construction are combined, by
Upper and lower panel and the sealing function of surrounding composite plate realize high vacuum environment in corrugated core, available to have excellent mechanical
Can Combined thermal insulative panel, realize heat-insulated/carrying integration, be provided simultaneously with the advantages such as density is small, at low cost, with short production cycle.
In order to realize above-mentioned technical effect, the disclosure the following technical schemes are provided:
For the disclosure in a first aspect, providing vacuum heat-insulation corrugated sandwich board, the vacuum heat-insulation corrugated sandwich board has shell
Body and core plate；
The core plate is corrugated plating；
The shell is hollow plate body structure, is made of two pieces of sealing plates and four sealing edge strips；
The core plate is fixed in shell, and two working faces of core plate are abutted with two pieces of sealing plates respectively；The sealing
The cavity that edge strip is used to constitute two pieces of sealing plates is sealed；
Set distance is reserved between the end and inner walls of core plate, the cavity for surrounding core plate and shell is interconnected.
Preferably, the core plate is corrugated plating, and cross section is continuous ripple struction, has wave crest and trough；Adjacent
Wave crest and trough constitute a repetitive unit.
Extend it is further preferred that the wave crest and trough constitute trapezium structure.
Preferably, the vacuum heat-insulation corrugated sandwich board is that fibre reinforced composites fabric or unidirectional fibre enhancing are pre-
Leaching material or resin material.
It is further preferred that the fibre reinforced composites include but is not limited to carbon fiber, boron fibre, polyester fiber etc.
Thermoplastics or the thermosetting matrix such as other inorganic or organic fiber enhancing polystyrene, polyamide.
Preferably, there is heat preserving and insulating material in the cavity between the core plate and two pieces of sealing plates；The insulation
Material includes but is not limited to aeroge, foaming macromolecular, superfine fibre.
Preferably, convex pipe is provided on one of sealing strip of the thermal insulation board, the convex pipe is connected to vacuum heat-insulation wave
The cavity of line battenboard and the external world are used for proportioning pump for vacuum state inside thermal insulation board.
Preferably, the sealing edge strip is the change of gas barrier film, C-seal, I-shaped sealing element or C-seal
Shape part.
It is further preferred that the C-seal includes two extensions and sealed body, it is plate, two extensions
The wherein one end in portion is connect with sealed body end, is oppositely arranged perpendicular to sealed body；
The extension of C-seal is abutted with the outside of sealing plate, the cavity constituted for close encapsulation plate.
In some embodiments, the deformable member of the C-seal also has limited block, the limited block and sealing plate one
It is body formed, and limited block and extension are set to the two sides of sealed body.
It is further preferred that the I-shaped sealing element includes two extensions and sealed body, and it is plate, sealing master
Body is vertically arranged with extension, and sealed body end is connect with the midpoint of two extensions respectively, forms the C of two opposing opens
Type region.
It is further preferred that reinforcing fixing by solidification sealant between sealing edge strip and the sealing plate.
Disclosure second aspect provides vacuum heat-insulation corrugated sandwich board described in first aspect in refrigerator car, energy-saving environmental protection
The application in building wall field.
The disclosure third aspect provides the preparation method of vacuum heat-insulation corrugated sandwich board described in first aspect, the preparation
Method prepares shell using die pressing, prepares core plate using roll-in method or die pressing, and to each by way of heating or being glued
Component is attached.
Disclosure fourth aspect provides a kind of thermal insulation board pumped vacuum systems, and the system comprises vacuum described in first aspect
Heat-insulated corrugated sandwich board further includes heat block, vacuum exhaust pipe and vacuum pump；
The thermal insulation board pumped vacuum systems method of operation is as follows: described vacuum exhaust pipe one end is socketed in vacuum heat-insulation ripple
On the convex pipe of battenboard, the other end connects vacuum pump, opens vacuum pump, will be down to target vacuum in vacuum heat-insulation corrugated sandwich board
Degree；
After reaching target vacuum, after heat block is set on the outside of convex pipe by unlatching heat block, and pressurization melts convex pipe
Sealing, obtains vacuum heat-insulation corrugated sandwich board.
Preferably, target vacuum is 0~100Pa.
In other preferred schemes, the hose that the heat block can be replaced vacuum valve or can clamp works as thermal insulation board
After inside reaching target vacuum, the sealing of vacuum heat-insulation corrugated sandwich board is realized by way of valve or clamping.
Compared with prior art, the beneficial effect of the disclosure is:
The disclosure takes full advantage of the excellent mechanical property of corrugated sandwich board, carries out vacuumize process, pole to ripple gap
The big integral heat insulation performance for improving corrugated plating, thermal coefficient is in 0.03w/mk hereinafter, meeting each refrigerated storage, heat preservation construction material
Requirement of the field to heat-proof quality.It is sandwich compared to the heat-insulated corrugated sandwich board of traditional vacuum and simple sandwich, ripple simultaneously
The specific strength specific modulus of plate is high, shock resistance and cutting performance are outstanding, and it is small, at low cost, with short production cycle etc. excellent to be provided simultaneously with density
Gesture has extremely wide application prospect.
Detailed description of the invention
The Figure of description for constituting a part of this disclosure is used to provide further understanding of the disclosure, and the disclosure is shown
Meaning property embodiment and its explanation do not constitute the improper restriction to the disclosure for explaining the disclosure.
Fig. 1 is vacuum heat-insulation corrugated sandwich board schematic diagram in embodiment 1；
Wherein, 1 is sealing plate, and 2 be sealing edge strip, and 3 be core plate.
Fig. 2 is vacuum heat-insulation corrugated sandwich board usage state diagram in embodiment 1；
Fig. 3 is vacuum heat-insulation corrugated sandwich board schematic diagram in embodiment 3；
Fig. 4 is vacuum heat-insulation corrugated sandwich board use state diagram in embodiment 3；
Wherein, 21 be convex pipe.
Fig. 5 is the sealing edge sliver transvers section schematic diagram of vacuum heat-insulation corrugated sandwich board in embodiment 4；
Fig. 6 is vacuum heat-insulation corrugated sandwich board vacuum pumping method schematic diagram in embodiment 5；
Wherein, 4 it is heat block, 5 be vacuum exhaust pipe, 6 is vacuum pump.
Fig. 7 is the c-type part schematic diagram of vacuum heat-insulation corrugated sandwich board in embodiment 5；
Wherein, c-type part includes (A) (B) two kinds of models, the c-type part of (A) model, wherein A1=26.2mm, A2=
1.20mm, A3=23.80mm, A4=7.0mm；
(B) the c-type part of model, B1=31.0mm, B2=1.2mm, B3=28.60mm, B4=7mm.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the disclosure.Unless another
It indicates, all technical and scientific terms used herein has usual with disclosure person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the disclosure.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, vacuum heat-insulation corrugated sandwich board reduces heat transfer by condition of high vacuum degree and heat is right
Stream has a wide range of applications in refrigerator car, refrigerator or energy conservation and environmental protection building.Present disclose provides a kind of with ripple core pattern
Vacuum heat-insulation corrugated sandwich board, ripple core plate are integrally formed, and enormously simplify the preparation process of vacuum heat-insulation composite plate, and mention
The high use intensity of composite plate.
In order to enable those skilled in the art can clearly understand the technical solution of the disclosure, below with reference to tool
The technical solution of the disclosure is described in detail in the embodiment and comparative example of body.
Embodiment 1
A kind of vacuum heat-insulation corrugated sandwich board is provided in the present embodiment, as shown in Figure 1, the vacuum heat-insulation corrugated sandwich board
With shell and core plate 3；
The core plate 3 is corrugated plating；Cross section is continuous ripple struction, has wave crest and trough；Adjacent wave crest and
Trough constitutes a repetitive unit, constitutes trapezium structure and extends.
The shell is hollow plate body structure, is made of two pieces of sealing plates 1 and four sealing edge strips 2；
The core plate 3 is fixed in shell, and two working faces of core plate 3 are abutted with two pieces of sealing plates 1 respectively；It is described close
The cavity that edge band 2 is used to constitute sealing plate is sealed；
Set distance is reserved between the end and inner walls of core plate 3, the cavity for surrounding core plate and shell is interconnected.
The vacuum heat-insulation corrugated sandwich board is fibre reinforced composites textile material.
Also there is heat preserving and insulating material in cavity between the core plate 3 and sealing plate 1；The heat preserving and insulating material is gas
Gel.
The sealing edge strip 2 is gas barrier film.
Embodiment 2
In the present embodiment, a kind of vacuum heat-insulation corrugated sandwich board is provided, the vacuum heat-insulation corrugated sandwich board is resinous wood
Material.
There is heat preserving and insulating material in cavity between the core plate 3 and two pieces of sealing plates 1；The heat preserving and insulating material is
Foaming macromolecular.
The sealing edge strip 2 is gas barrier film.Remaining setting is in the same manner as in Example 1.
Embodiment 3
A kind of vacuum heat-insulation corrugated sandwich board is provided in the present embodiment, the vacuum heat-insulation corrugated sandwich board have shell and
Core plate 3；
The core plate 3 is corrugated plating；
The shell is hollow plate body structure, is made of two pieces of sealing plates 1 and four sealing edge strips 2；
The core plate 3 is fixed in shell, and two working faces of core plate 3 are abutted with two pieces of sealing plates 1 respectively；It is described close
The cavity that edge band 2 is used to constitute two pieces of sealing plates 1 is sealed.
As shown in figure 3, reserving set distance between the end and inner walls of the core plate 3, surround core plate with shell
Cavity be interconnected.
The sealing edge strip 2 is c-type part.
As shown in figure 4, being provided with convex pipe 21 on one of sealing edge strip 2 of the thermal insulation board, the convex pipe 21 is connected to
The cavity of vacuum heat-insulation corrugated sandwich board and the external world, will be pumped into target vacuum for proportioning pump, vacuum degree is inside thermal insulation board
100pa or less.
Embodiment 4
In the present embodiment, as shown in figure 5, the sealing edge strip is C-seal, I-shaped sealing element or C-seal
Deformable member.Cross section is (A)-(E) five kinds of shapes in Fig. 5.Demand workable for those skilled in the art is to sealing edge strip
Shape is selected.
As shown in Fig. 5 (A), it is plate, two extensions that the C-seal, which includes two extensions and sealed body,
The wherein one end in portion is connect with sealed body end, is oppositely arranged perpendicular to sealed body；
The extension of C-seal is abutted with the outside of sealing plate, the cavity constituted for close encapsulation plate.
As shown in Fig. 5 (B), it is plate that the I-shaped sealing element, which includes two extensions and sealed body, sealing master
Body is vertically arranged with extension, and sealed body end is connect with the midpoint of two extensions respectively, forms the C of two opposing opens
Type region.Open c-type region is abutted with the sealing plate of vacuum heat-insulation corrugated sandwich board respectively, for connecting two pieces of sealing plates.
As shown in Fig. 5 (C)-(E), the deformable member of the C-seal also has limited block, the limited block and sealing plate
It is integrally formed, limited block is set to the two sides of sealed body with extension.The limited block is used for vacuum heat-insulation corrugated sandwich board
It is fixed in use environment, those skilled in the art can adjust the shape of limited block according to specifically used demand.
In actual use, above-mentioned C-seal, I-shaped sealing element or c-type can be sealed by solidification sealant
Gap between part and sealing plate is replenished, and sealing effect is reinforced.
Embodiment 5
In the present embodiment, a kind of preparation method of vacuum heat-insulation corrugated sandwich board in embodiment 3 is provided, passes through molding first
Method prepares the sealing plate 2, and sealing plate is having a size of 400*400mm, with a thickness of 1.2mm, using pre- with a thickness of 0.3mm woven
Leaching material, which is used as, prepares material.Cleaning scouring is carried out to die surface and smears release agent.4 layers of prepreg are cut out according to design size
It cuts laying to put well in a mold, setting heating deblocking temperature is 200 DEG C, is melted after prepreg heating about 5min, it is shifted rapidly
Onto moulding press.Moulding press pressurizes size as 3MPa, and moulding press temperature is 80 DEG C, keeps 3min under relevant temperature and pressure.
Waiting composite material after about 10min, cooling and shaping, careful demoulding are removed, and obtain sealing plate 2.
Design core plate 3 with a thickness of 1.2mm, the core plate cross section ripple total height is 26.2mm, upper and lower element length
For 20mm, ripple repetition period total length is 68.8mm, and trapezoidal inclination angle is 60 °.It is knitted using die pressing, with a thickness of 0.3mm single layer
Object prepreg prepares core plate 3, and 4 layers of prepreg are cut laying according to design size and are put in a mold well.Pre-cleaning ripple type
Mold simultaneously coats release agent.Setting heating deblocking temperature is 200 DEG C, melts after prepreg heating about 5min, is quickly transferred to
On moulding press.Moulding press pressurizes size as 3MPa, and moulding press temperature is 80 DEG C, keeps 3min under relevant temperature and pressure.Deng
Composite material remove by cooling and shaping, careful demoulding after about 10min.Thermal insulation board overall thickness is 28.6mm, two pieces of sealing plates 2
Spacing be 26.2mm.
Core plate 3 and two pieces of sealing plates 1 are well placed, adjustment heat-shaping stick is located at wave crest and trough, is heated to 220
DEG C and applying 0.1MPa pressure makes core plate 3 link together with sealing plate 1.
It seals edge strip 2 and uses c-type part, by suppressing with a thickness of the prepreg of 1.2mm, two kinds of cross sectional dimensions such as Fig. 7
It is shown, 4 layers of prepreg are cut by design angle, according to ply stacking-sequence laying, are put into mold, it is same to be prepared by die pressing
(A) the c-type part of (B) two kinds of models.Symmetric layups are to reduce the resilience after solidifying.Heating deblocking temperature is 200 DEG C, about 5min
After melt, pressurizeed on moulding press with 3MPa, temperature be 80 DEG C, keep 3min.It demoulds and removes after waiting cooling and shaping.Wherein one
A c-type part gets the square hole of 5*5mm.
The convex pipe 21 of cuboid female mould forming composite material, with a thickness of 1.2mm, long 50mm, and pass through melting and solidification and c-type part
Square hole connection.
When assembling vacuum heat-insulation corrugated sandwich board, first the c-type part of two (A) models is placed on the inside of 3 two sides of core plate,
Two pieces of sealing plates 2 wrap up c-type part (A) and bond after thawing again together by 220 DEG C of heating rods from inside to external pressurized, solid respectively
It is scheduled on two opposite sides of corrugated plating；The c-type part of two (B) models is sealed thermal insulation board cavity again, passes through 220
The pressurization of DEG C heating rod bonds again together after melting, and is inwardly pressurizeed by outside.
With epoxy resin sealant to being filled at the gap of corrugated sandwich board.
Vacuum exhaust pipe 5 is socketed on convex pipe 21, winds around interface with vacuum seal rubber belt, is connected after being sealed
Vacuum pump 6 is connect, starts to be evacuated, until vacuum list index shows that absolute vacuum degree reaches 100pa or less in corrugated plating.
Heat block surface posts release cloth, and heat block is opened after vacuum degree is up to standard, and heat block temperature setting is 180 DEG C, will
Heat block is placed on the square pipe two sides of protrusion, applies appropriate pressure to the convex pipe of composite material after softening, by tube wall in
The heart compresses sealing.
Heat block is closed, about 10min is waited, makes its cooling solidification；Vacuum pump is closed, stops vacuumizing, finally realizes wave
The sealing of card cavity.
Appropriate cut is carried out to extra convex pipe structure after being sealed to polish.
Embodiment 6
In the present embodiment, the heating conduction of vacuum heat-insulation corrugated sandwich board described in embodiment 3 is tested, use is low
Warm plane table thermo measures size as 300*300mm, with a thickness of the vacuum heat-insulation corrugated plating and not vacuum-treated wave of 27mm
The thermal coefficient of card, it is respectively 10 DEG C and 50 DEG C that cold and hot plate temperature, which is arranged, and pending data records thermal conductivity value after reaching stable.
Under the structure, not vacuum-treated corrugated plating thermal coefficient is 0.119w/mk, and vacuum heat-insulation corrugated sandwich board thermal coefficient is
0.029w/mk。
The foregoing is merely preferred embodiment of the present disclosure, are not limited to the disclosure, for the skill of this field
For art personnel, the disclosure can have various modifications and variations.It is all within the spirit and principle of the disclosure, it is made any to repair
Change, equivalent replacement, improvement etc., should be included within the protection scope of the disclosure.
Claims (10)
1. a kind of vacuum heat-insulation corrugated sandwich board, which is characterized in that the vacuum heat-insulation corrugated sandwich board has shell and core plate；
The core plate is corrugated plating；
The shell is hollow plate body structure, is made of two pieces of sealing plates and four sealing edge strips；
The core plate is fixed in shell, and two working faces of core plate are abutted with two pieces of sealing plates respectively；The sealing edge strip
Cavity for constituting to two pieces of sealing plates is sealed；
Set distance is reserved between the end and inner walls of core plate, the cavity for surrounding core plate and shell is interconnected.
2. vacuum heat-insulation corrugated sandwich board as described in claim 1, which is characterized in that the vacuum heat-insulation corrugated sandwich board is
Fibre reinforced composites fabric or unidirectional fibre enhancing prepreg or resin material；Preferably, the fiber-reinforced composite
Material includes but is not limited to other inorganic or organic fiber the enhancing polystyrene, polyamide such as carbon fiber, boron fibre, polyester fiber
Equal thermoplastics or thermosetting matrix.
3. vacuum heat-insulation corrugated sandwich board as described in claim 1, which is characterized in that between the core plate and two pieces of sealing plates
Cavity in have heat preserving and insulating material；The heat preserving and insulating material includes but is not limited to aeroge, foaming macromolecular, ultra-fine fibre
Dimension.
4. vacuum heat-insulation corrugated sandwich board as described in claim 1, which is characterized in that between the end and inner walls of core plate
Reserved set distance, the cavity for surrounding core plate and shell are interconnected；Preferably, one of sealing strip of the thermal insulation board
On be provided with convex pipe, the cavity of the convex pipe connection vacuum heat-insulation corrugated sandwich board and extraneous will be in thermal insulation board for proportioning pump
Portion's vacuum state.
5. vacuum heat-insulation corrugated sandwich board as described in claim 1, which is characterized in that the sealing edge strip is gas barrier
Film, C-seal, I-shaped sealing element or C-seal deformable member.
6. the described in any item vacuum heat-insulation corrugated sandwich boards of claim 1-5 are in refrigerator car, energy-saving ring health care walling field
Application.
7. the preparation method of any one of the claim 1-5 vacuum heat-insulation corrugated sandwich board, which is characterized in that the preparation side
Method prepares shell using die pressing, prepares core plate using roll-in method or die pressing, and to each portion by way of heating or being glued
Part is attached；Preferably, the vacuum heat-insulation corrugated sandwich board is prepared using 3~5 layers of woven prepreg.
8. the preparation method of vacuum heat-insulation corrugated sandwich board as claimed in claim 7, which is characterized in that the die pressing adds
Hot temperature is 180~220 DEG C, and pressure is 2~4 Mpa.
9. the preparation method of vacuum heat-insulation corrugated sandwich board as claimed in claim 7, which is characterized in that the vacuum heat-insulation wave
Line battenboard is by vacuum pump by internal vacuum state, and vacuum degree is in 100Pa or less.
10. a kind of thermal insulation board pumped vacuum systems, which is characterized in that the system comprises vacuum heat-insulation ripples described in first aspect to press from both sides
Core plate further includes heat block, vacuum exhaust pipe and vacuum pump；
The thermal insulation board pumped vacuum systems method of operation is as follows: described vacuum exhaust pipe one end is socketed in vacuum heat-insulation ripple sandwich
On the convex pipe of plate, the other end connects vacuum pump, opens vacuum pump, will be down to target vacuum in vacuum heat-insulation corrugated sandwich board；
After reaching target vacuum, open heat block, heat block be set on the outside of convex pipe, and pressurize melt convex pipe after it is close
Envelope, obtains vacuum heat-insulation corrugated sandwich board.
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| CN111041257A (en) * | 2019-12-27 | 2020-04-21 | 上海晶维材料科技有限公司 | Preparation method of air suction material with surface high-flux air distribution system |
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| CN111206693A (en) * | 2020-01-18 | 2020-05-29 | 浙江大工新能源有限公司 | Insulation board for insulation warehouse and installation method thereof |
| CN111218993A (en) * | 2020-03-09 | 2020-06-02 | 哈尔滨广瀚新能动力有限公司 | Portable solid-state heat storage device heat preservation module and manufacturing method |
| CN113547197A (en) * | 2021-08-02 | 2021-10-26 | 重庆大学 | Ultrahigh-strength aluminum alloy plate based on automobile thermal forming and preparation process thereof |
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Application publication date: 20190920 |