Vacuum heat insulation and decoration integrated plate
By adopting a combined structure of jute board and thermal insulation board in the vacuum insulation board, combining the outer layer of the PU, barrier membrane and getter, the problem of poor insulation performance of existing vacuum insulation boards is solved, and more efficient thermal isolation and decoration are achieved Function.
Patent Information
- Application Number
- CN202421101588.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-21
AI Technical Summary
The existing vacuum insulation panel has a simple structure and poor insulation performance, making it difficult to meet the exterior wall insulation needs of areas with high insulation requirements and new energy-saving buildings.
The structure consists of a jute board and an insulating board. The insulating board consists of an insulating core board and a PU outer layer. The PU outer layer wraps the insulating core board. The jute board is set on the front outer surface of the insulating core board and passes through the PET layer and PA layer. The core material of the AL layer and the PE layer composite barrier film and chopped wire glass fiber laminated, combines calcium oxide and getter of alkali metal oxide to improve thermal insulation performance.
The insulation performance of vacuum insulation decorative integrated panels is significantly improved, the thermal conductivity is reduced, the decorative function is increased, and more efficient thermal isolation and radiation reflection is achieved through the optimization of the structure.
Smart Images
Figure CN222451573U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a vacuum heat insulation and thermal insulation decorative integrated board. Background Art
[0002] Vacuum Insulation Panel (VIP for short) is a new type of high-efficiency insulation material developed in recent years. It is composed of filling core material, gas barrier film and getter. By increasing the vacuum degree in the panel to suppress the heat transfer caused by air, its thermal conductivity can reach 0.002-0.004w / mK, which is 1 / 10 of the thermal conductivity of traditional insulation materials, and the thickness is only 1 / 7-1 / 10 of traditional insulation materials, thereby achieving the purpose of heat preservation, energy saving and space saving. It has been widely used in refrigerators, medical insulation boxes, refrigerated containers and other fields with high insulation requirements and exterior wall insulation of new energy-saving buildings.
[0003] In the prior art, the structure of the vacuum insulation panel is relatively simple and the thermal insulation performance is relatively poor. Therefore, a vacuum insulation and thermal insulation decorative integrated panel is urgently needed. Utility Model Content
[0004] In order to solve the defects of the prior art, the utility model provides a vacuum insulation and heat preservation decorative integrated panel.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:
[0006] The utility model provides a vacuum insulation and heat preservation decorative integrated panel, comprising a jute board and an insulation board, wherein the insulation board comprises an insulation core board and a PU outer layer, wherein the PU outer layer is wrapped on other outer surfaces except the front surface of the insulation core board so that the overall structure of the insulation board is in the shape of a flat plate, and the jute board is arranged on the front outer surface of the insulation core board.
[0007] Preferably, the PU outer layer is formed by integral PU injection molding so as to be wrapped around the outer surface of the insulation core board other than the front surface.
[0008] Preferably, the jute board is a flat plate structure, and the jute board comprises a PVC film and a jute layer, wherein the PVC film is attached to the front outer surface of the jute layer.
[0009] Preferably, an aluminum foil layer is further provided, and the aluminum foil layer is arranged on the back outer surface of the PU outer layer.
[0010] Preferably, it comprises at least one heat insulating core board, and the heat insulating core boards are arranged at intervals from top to bottom.
[0011] Preferably, the thickness of the jute board is 4-10 mm, the thickness of the insulation core board is 5-30 mm, and the thickness of the PU outer layer is 5-30 mm.
[0012] Preferably, the distance from the bottom of the PU outer layer to the bottom of the insulation core board is 200-500 mm, and the distance from the top of the PU outer layer to the top of the insulation core board is 30-100 mm.
[0013] Preferably, the insulating core board includes a core material, a barrier film and a getter, the barrier film is coated on the outer surface of the core material, the getter is arranged between the barrier film and the core material, and the barrier film includes a PET layer, a PA layer, an AL layer and a PE layer stacked in sequence from the outside to the inside.
[0014] Preferably, the core material is prepared by stacking chopped glass fibers, the diameter of the chopped glass fibers is 6-9 μm, the porosity is 87.2%, the chopped glass fibers are arranged in parallel and staggered manner, and the thermal conductivity of the chopped glass fibers is below 0.0015 W / MK after vacuuming.
[0015] Preferably, the getter is a mixture of calcium oxide and alkaline metal oxide.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] (1) The jute in the utility model has the characteristics of softness, moisture resistance, sound insulation, carbon dioxide absorption, good safety performance, and the jute board has the functions of decoration and heat preservation.
[0018] (2) The utility model protects the heat-insulating core plate through the PU outer layer, thereby further reducing the heat brought in or taken away by heat conduction.
[0019] (3) The barrier film composed of the PET layer, the PA layer, the AL layer and the PE layer in the utility model can reflect radiant heat and isolate the heat transfer caused by air convection by maximizing the vacuum degree inside the barrier film, thereby greatly reducing its thermal conductivity. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the overall structure of Embodiment 1 of the present utility model;
[0021] Figure 2 is a side sectional view of embodiment 1 of the utility model;
[0022] Figure 3 It is a structural schematic diagram of the thermal insulation core plate in Example 1 of the utility model;
[0023] Figure 4 It is a schematic diagram of the overall structure of Example 2 of the utility model. DETAILED DESCRIPTION
[0024] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention. Example 1
[0025] like Figure 1-Figure 2 As shown, this embodiment provides a vacuum insulation and heat preservation decorative integrated panel, including a jute board 2 and an insulation board. The insulation board includes an insulation core board 1 and a PU outer layer 3. The PU outer layer 3 is formed by PU integral injection molding and is wrapped on other outer surfaces other than the front of the insulation core board 1, so that the overall structure of the insulation board is flat. Among them, the thickness of the insulation core board 1 is 5-30mm, and 5mm, 10mm, and 30mm can be selected according to actual conditions in this embodiment. The thickness of the PU outer layer 3 is 5-30mm, and 5mm, 10mm, and 30mm can be selected according to actual conditions in this embodiment. The distance from the bottom of the PU outer layer 3 to the bottom of the insulation core board 1 is 200-500mm. In this embodiment, 200mm, 300mm, and 500mm can be selected according to actual conditions. This distance can be convenient for opening holes when additional channels need to be added during construction. The distance from the top of the PU outer layer 3 to the top of the insulation core board 1 is 30-100 mm. In this embodiment, 30 mm, 50 mm, or 100 mm can be selected according to actual conditions.
[0026] Specifically, the jute board 2 includes a PVC film and a jute layer, and the PVC film is attached to the front outer surface of the jute layer. The jute board 2 is a flat plate structure, and the thickness of the jute board 2 is 4-10mm. In this embodiment, 4mm, 6mm, and 10mm can be selected according to actual conditions. The jute board 2 is arranged on the front outer surface of the insulation core board 1, and the jute layer is prepared according to the following material ratio: jute 35-65% (preferably 60%), corn fiber 35-45% (preferably 37.5%), and negative oxygen ions 2-5% (preferably 2.5%). Jute is soft, moisture-proof, sound-proof, and has the ability to absorb carbon dioxide. It has good safety performance, and the jute board has decorative and heat-insulating functions.
[0027] like Figure 3As shown, the thermal insulation core board 1 includes a core material 11, a barrier film 12 and a getter 13. The barrier film 12 is coated on the outer surface of the core material 11, and the getter 13 is arranged between the barrier film 12 and the core material 11. The barrier film 12 includes a PET layer, a PA layer, an AL layer and a PE layer stacked in sequence from the outside to the inside. Among them, the PET layer has the advantages of high mechanical strength, low water absorption and good electrical properties. The PA layer has high tensile strength and tensile strength, excellent heat resistance, cold resistance, oil resistance, organic solvent resistance, wear resistance and puncture resistance, and is relatively soft and has excellent oxygen barrier properties. The AL layer has the advantages of good heat conduction barrier and water vapor performance. The PE layer has the advantages of softness, good extensibility and excellent low temperature resistance, and is the best as a heat sealing layer.
[0028] Specifically, the core material is prepared by stacking and laying short-stranded glass fibers. The diameter of the short-stranded glass fibers is 6-9 μm. In this embodiment, 6, 8, or 9 μm can be selected according to actual conditions. The porosity is 87.2%. The short-stranded glass fibers are arranged in parallel and staggered manner, which can extend the thermal bridge distance and help reduce the heat conduction of gas molecules. After the vacuum is evacuated, the thermal conductivity of the short-stranded glass fibers is below 0.0015 W / MK, thereby reducing the heat brought or taken away by heat conduction through the barrier of the core material itself.
[0029] Specifically, the getter is a mixture of calcium oxide and alkaline metal oxide. According to the size of the vacuum insulation decorative integrated board, 5G is placed for a single board below 0.15 square meters, 10G is placed for 0.15-0.5 square meters, and 15G is placed for more than 0.5 square meters. The main function is to ensure that the vacuum insulation decorative integrated board absorbs the following gases in a vacuum state, so that the service life of the vacuum insulation decorative integrated board is ensured to be more than 20 years. Example 2
[0030] As a preferred embodiment, the rest is the same as embodiment 1, except that this embodiment is further provided with an aluminum foil layer, which is arranged on the back outer surface of the PU outer layer 3. The addition of the aluminum foil layer further improves the thermal insulation effect. Example 3
[0031] like Figure 4 As shown, as a preferred embodiment, the rest is the same as embodiment 1, except that this embodiment includes three insulation core panels 1, and the insulation core panels 1 are arranged at intervals from top to bottom. The insulation core panels 1 are arranged at intervals, and holes can be opened according to actual needs, which has a wider range of applications.
[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A vacuum insulation and decorative integrated panel, characterized in that: The invention comprises a jute board (2) and an insulation board, wherein the insulation board comprises an insulation core board (1) and a PU outer layer (3), wherein the PU outer layer (3) is wrapped on an outer surface other than the front surface of the insulation core board (1) so that the overall structure of the insulation board is in the shape of a flat plate, and the jute board (2) is arranged on the front outer surface of the insulation core board (1).
2. The vacuum insulation and decorative integrated panel according to claim 1, characterized in that: The PU outer layer (3) is formed by integral PU injection molding so as to wrap around the outer surface of the heat-insulating core board (1) other than the front surface.
3. The vacuum insulation and decorative integrated panel according to claim 1, characterized in that: The jute board (2) is a flat plate structure, comprising a PVC film and a jute layer, wherein the PVC film is attached to the front outer surface of the jute layer.
4. The vacuum insulation and decorative integrated panel according to claim 1, characterized in that: An aluminum foil layer is also provided, and the aluminum foil layer is arranged on the back outer surface of the PU outer layer (3).
5. The vacuum insulation and decorative integrated panel according to claim 1, characterized in that: It comprises at least one heat-insulating core board (1), wherein the heat-insulating core boards (1) are arranged at intervals from top to bottom.
6. The vacuum insulation and decorative integrated panel according to claim 1, characterized in that: The thickness of the jute board (2) is 4-10 mm, the thickness of the thermal insulation core board (1) is 5-30 mm, and the thickness of the PU outer layer (3) is 5-30 mm.
7. The vacuum insulation and decorative integrated panel according to claim 1, characterized in that: The distance from the bottom of the PU outer layer (3) to the bottom of the thermal insulation core board (1) is 200-500 mm, and the distance from the top of the PU outer layer (3) to the top of the thermal insulation core board (1) is 30-100 mm.
8. The vacuum insulation and decorative integrated panel according to claim 1, characterized in that: The thermal insulation core board (1) comprises a core material (11), a barrier film (12) and a getter (13); the barrier film (12) is coated on the outer surface of the core material (11); the getter (13) is arranged between the barrier film (12) and the core material (11); and the barrier film (12) comprises a PET layer, a PA layer, an AL layer and a PE layer which are sequentially stacked from the outside to the inside.
9. The vacuum insulation and decorative integrated panel according to claim 8, characterized in that: The core material is prepared by stacking and laying short-stranded glass fibers, the diameter of the short-stranded glass fibers is 6-9 μm, the porosity is 87.2%, the short-stranded glass fibers are arranged in parallel and staggered, and the thermal conductivity of the short-stranded glass fibers is below 0.0015 W / MK after vacuuming.