Multi-layer composite paperboard with heat preservation and heat insulation functions

By designing multi-layer composite cardboard, including honeycomb cardboard, nano microporous thermal insulation board and moisture-proof and breathable layer, the problem that existing composite cardboard cannot be effectively insulated is solved, and better insulation effect is achieved.

CN222756223UActive Publication Date: 2025-04-15SHANDONG FUQIANG BAOZHUANGXIANG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421586407.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-04-15
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

Most of the existing thermal insulation composite cardboards are set up in single or double layers, which cannot effectively isolate the outside hot and cold air, resulting in poor thermal insulation effect.

Method used

A multi-layer composite cardboard is designed, including the first honeycomb cardboard, a nano-microporous heat insulation plate, a moisture-proof and breathable layer and a second honeycomb cardboard. Through the combination of these layers, hot or cold air passes through the thermal insulation film, and then passes through the second honeycomb cardboard and the moisture-proof and breathable layer to the nano-microporous heat insulation plate to achieve multi-layer thermal insulation effect.

Benefits of technology

It effectively improves the insulation performance and prevents hot or cold air from passing through the entire cardboard, which significantly improves the insulation effect and insulation performance of composite cardboard.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222756223U_ABST
    Figure CN222756223U_ABST
Patent Text Reader

Abstract

The utility model discloses a multi-layer composite paperboard with heat preservation and heat insulation functions, and relates to the technical field of composite paperboards. The honeycomb paperboard comprises a first honeycomb paperboard body, the top of the first honeycomb paperboard body is fixedly connected with a nanometer micropore heat insulation plate, the top of the nanometer micropore heat insulation plate is fixedly connected with a damp-proof breathable layer, the top of the damp-proof breathable layer is fixedly connected with a second honeycomb paperboard body, and the top of the second honeycomb paperboard body is fixedly connected with a heat insulation film. According to the utility model, by arranging the nanometer micropore heat insulation plate, particularly, part of hot air enters the second honeycomb paperboard through the heat insulation film, the second honeycomb paperboard isolates the hot air to a certain extent, and after the hot air enters the nanometer micropore heat insulation plate through the moisture-proof breathable layer, the rest hot air is isolated, so that the heat insulation effect of the whole heat insulation paperboard is ensured; meanwhile, a great heat preservation effect is achieved on the first honeycomb paperboard, hot air or cold air is prevented from penetrating through the whole heat preservation and heat insulation paperboard, and the heat preservation and heat insulation performance of the whole paperboard is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of composite paperboard, in particular to a multi-layer composite paperboard with heat preservation and insulation functions. Background Art

[0002] Composite cardboard is made by laminating paper, cardboard with other plastics, aluminum foil, cloth, etc. with adhesives to obtain composite processed cardboard. Composite processed cardboard can not only improve the appearance performance and strength of paper and cardboard, but also improve the waterproof, moisture-proof, oil-resistant, airtight and fragrance-retaining properties. At the same time, it can also obtain heat sealing, light-blocking, heat resistance, etc.

[0003] Existing thermal insulation composite cardboards are mostly used for house insulation or transportation. Most of them are single-layer or double-layered, and cannot achieve good thermal insulation effects. They cannot effectively isolate the outside cold and hot air. Therefore, we propose a multi-layer composite cardboard with thermal insulation functions. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-layer composite paperboard with thermal insulation function, by setting a nano-microporous insulation board, specifically, part of the hot air passes through the insulation film to the second honeycomb paperboard, the second honeycomb paperboard is isolated to a certain extent, and after passing through the moisture-proof and breathable layer to the nano-microporous insulation board, the remaining hot air is isolated to ensure the thermal insulation effect of the entire insulation paperboard, and at the same time, it also plays a great thermal insulation role on the first honeycomb paperboard, avoiding hot air or cold air from passing through the entire thermal insulation paperboard, improving the thermal insulation performance of the entire paperboard, and solving the problem that the existing thermal insulation composite paperboard is mostly used for house insulation or transportation, most of them are single-layer or double-layered, and cannot play a good thermal insulation effect, and cannot effectively isolate the external cold and hot air to play a thermal insulation effect.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a multi-layer composite paperboard with thermal insulation function, comprising a first honeycomb paperboard, a nano-microporous thermal insulation board is fixedly connected to the top of the first honeycomb paperboard, a moisture-proof and breathable layer is fixedly connected to the top of the nano-microporous thermal insulation board, a second honeycomb paperboard is fixedly connected to the top of the moisture-proof and breathable layer, and a thermal insulation film is fixedly connected to the top of the second honeycomb paperboard. By arranging the nano-microporous thermal insulation board, specifically part of the hot air passes through the thermal insulation film to the second honeycomb paperboard, and the second honeycomb paperboard isolates it to a certain extent. After passing through the moisture-proof and breathable layer and reaching the nano-microporous thermal insulation board, the remaining hot air is isolated, thereby ensuring the thermal insulation effect of the entire thermal insulation paperboard, and at the same time, it also has a great thermal insulation effect on the first honeycomb paperboard, preventing hot air or cold air from passing through the entire thermal insulation paperboard, thereby improving the thermal insulation performance of the entire paperboard.

[0007] Furthermore, a vapor barrier membrane is fixedly connected to the inner wall of the moisture-proof breathable layer, and a waterproof breathable membrane is fixedly connected to the top of the vapor barrier membrane. By setting the moisture-proof breathable layer, specifically, the waterproof breathable membrane is fixedly connected to the inner wall of the moisture-proof breathable layer, a connecting hole is provided in the waterproof breathable membrane, and a water-proof breathable block is fixedly connected to the inner wall of the connecting hole. The water-proof breathable block is provided with a number of tiny pores, which isolates water molecules while ensuring that gas passes through the water-proof breathable block. The gas filtered by the waterproof breathable membrane passes through the vapor barrier membrane, and the humid air is thoroughly filtered, thereby realizing the moisture-proof and waterproof functions of the entire thermal insulation board.

[0008] Furthermore, the waterproof breathable membrane is provided with a plurality of connecting holes, and a plurality of waterproof and breathable blocks are fixedly connected to the inner walls of the connecting holes. Each of the waterproof and breathable blocks is provided with a plurality of air holes. By providing the waterproof and breathable blocks, water isolation is achieved while ensuring the flow of internal air, providing a waterproof and ventilation effect for the waterproof breathable membrane, improving the air permeability of the entire cardboard, and ensuring the waterproofness of the cardboard.

[0009] Furthermore, the waterproof breathable membrane is fixedly connected to the inner wall of the moisture-proof breathable layer. By providing the waterproof breathable membrane, the isolation of the paperboard from water and the ventilation performance of the paperboard are achieved, thereby improving the water-proof and ventilation effects of the paperboard.

[0010] Furthermore, the moisture-proof breathable layer is made of breathable and water-permeable material, the upper part of the inner wall is fixedly connected to the waterproof breathable membrane, and the lower part is fixedly connected to the vapor barrier membrane. By setting the vapor barrier membrane, the waterproof and breathable effect of the moisture-proof breathable layer is ensured, which provides protection for the waterproof breathable membrane and prevents the waterproof breathable membrane from leaking water vapor.

[0011] Furthermore, the nano-porous heat insulation board adopts nano-silicon dioxide and infrared blocking materials, and its heat insulation performance is times that of traditional ceramic fibers.

[0012] The utility model has the following beneficial effects:

[0013] 1. The utility model sets a nano-microporous heat insulation board, specifically, part of the hot air passes through the heat insulation film to the second honeycomb paperboard, and the second honeycomb paperboard isolates it to a certain extent. After passing through the moisture-proof and breathable layer to the nano-microporous heat insulation board, the remaining hot air is isolated to ensure the heat insulation effect of the entire heat insulation paperboard. At the same time, it also plays a great role in heat preservation for the first honeycomb paperboard, preventing hot air or cold air from passing through the entire heat insulation paperboard, thereby improving the heat preservation and heat insulation performance of the entire paperboard.

[0014] 2. The utility model provides a moisture-proof and breathable layer, specifically, the inner wall of the moisture-proof and breathable layer is fixedly connected with a waterproof and breathable membrane, the waterproof and breathable membrane is provided with a connecting hole, the inner wall of the connecting hole is fixedly connected with a waterproof and breathable block, the waterproof and breathable block is provided with a number of tiny pores, which can isolate water molecules while ensuring that gas passes through the waterproof and breathable block, and the gas filtered through the waterproof and breathable membrane passes through the vapor isolation membrane to completely filter the humid air, thereby realizing the moisture-proof and waterproof functions of the entire thermal insulation board.

[0015] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for describing the embodiment will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall front cross-sectional structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the utility model waterproof and breathable membrane;

[0020] Figure 4 This is a schematic diagram of the structure of the utility model waterproof and breathable block.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. First honeycomb paperboard; 2. Nano-microporous heat insulation board; 3. Moisture-proof breathable layer; 31. Vapor-proof membrane; 32. Water-proof breathable membrane; 321. Connecting hole; 322. Water-proof breathable block; 323. Air hole; 4. Second honeycomb paperboard; 5. Heat insulation membrane. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4As shown, the utility model is a multi-layer composite paperboard with thermal insulation function, including a first honeycomb paperboard 1, a nano-microporous thermal insulation board 2 is fixedly connected to the top of the first honeycomb paperboard 1, a moisture-proof breathable layer 3 is fixedly connected to the top of the nano-microporous thermal insulation board 2, a second honeycomb paperboard 4 is fixedly connected to the top of the moisture-proof breathable layer 3, and a thermal insulation film 5 is fixedly connected to the top of the second honeycomb paperboard 4. By arranging the nano-microporous thermal insulation board 2, specifically, part of the hot air passes through the thermal insulation film 5 to the second honeycomb paperboard 4, and the second honeycomb paperboard 4 isolates it to a certain extent. After passing through the moisture-proof breathable layer 3 to the nano-microporous thermal insulation board 2, the remaining hot air is isolated to ensure the thermal insulation effect of the entire thermal insulation paperboard, and at the same time, it also plays a great thermal insulation role on the first honeycomb paperboard 1, preventing hot air or cold air from passing through the entire thermal insulation paperboard, thereby improving the thermal insulation performance of the entire paperboard.

[0025] The inner wall of the moisture-proof and breathable layer 3 is fixedly connected with a vapor barrier membrane 31, and the top of the vapor barrier membrane 31 is fixedly connected with a waterproof and breathable membrane 32. By setting the moisture-proof and breathable layer 3, specifically, the inner wall of the moisture-proof and breathable layer 3 is fixedly connected with the waterproof and breathable membrane 32, the waterproof and breathable membrane 32 is provided with a connecting hole 321, and the inner wall of the connecting hole 321 is fixedly connected with a waterproof and breathable block 322. The waterproof and breathable block 322 is provided with a number of tiny air holes 323, which isolates water molecules while ensuring that gas passes through the waterproof and breathable block 322, and the gas filtered by the waterproof and breathable membrane 32 passes through the vapor barrier membrane 31, and the humid air is thoroughly filtered, thereby realizing the moisture-proof and waterproof functions of the entire thermal insulation board.

[0026] The waterproof breathable membrane 32 is provided with a plurality of connection holes 321 , and a plurality of waterproof and breathable blocks 322 are fixedly connected to the inner wall of the connection holes 321 . Each waterproof and breathable block 322 is provided with a plurality of air holes 323 .

[0027] The waterproof breathable membrane 32 is fixedly connected to the inner wall of the moisture-proof breathable layer 3 .

[0028] The moisture-proof breathable layer 3 is made of breathable and water-permeable material, the upper part of the inner wall is fixedly connected to the waterproof breathable membrane 32 , and the lower part is fixedly connected to the vapor barrier membrane 31 .

[0029] The nano-porous heat insulation board 2 adopts nano-silicon dioxide and infrared blocking materials, and its heat insulation performance is 3-4 times that of traditional ceramic fibers.

[0030] A specific application of this embodiment is: when in use, the entire paperboard from the first honeycomb paperboard 1 to the heat insulation film 5 is installed on the wall from the inside to the outside or any items that need to be insulated and heat-preserved are installed on the bottom surface of the first honeycomb paperboard 1. The heat insulation film 5 can isolate external photons, and part of the heat passes through the heat insulation film 5 and then reaches the second honeycomb paperboard 4. The second honeycomb paperboard 4 is provided with a plurality of honeycomb-shaped closed cavities to isolate the heat to a certain extent. The steam generated by the heat passes through the moisture-proof and breathable layer 3, and then passes through the waterproof and breathable film 32 fixedly connected to the moisture-proof and breathable layer 3 to block water. The inner wall of the connection hole 321 opened in the waterproof and breathable film 32 is fixedly connected The water-proof and breathable block 322 isolates the water body, and the gas passes through the connecting hole 321 opened in the water-proof and breathable block 322, passes through the vapor barrier membrane 31 to isolate the water vapor, and reaches the nano-microporous thermal insulation board 2. The nano-microporous thermal insulation board 2 has a strong thermal insulation effect. The nano-silicon dioxide and infrared blocking materials of the nano-microporous thermal insulation board 2 have a thermal insulation performance that is 3-4 times that of traditional ceramic fibers. It is then isolated by the first honeycomb paperboard 1. Conversely, when the items are kept warm, the hot air comes to the first honeycomb paperboard 1, and comes to the nano-microporous thermal insulation board 2 through the first honeycomb paperboard 1. The nano-microporous thermal insulation board 2 effectively blocks the internal heat to prevent the internal heat from being lost.

[0031] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and describes these embodiments in detail in order to better explain the principles and practical applications of the utility model, so that technicians in the field of mechanical processing robot composite paperboard technology can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A multi-layer composite paperboard with heat preservation and insulation function, comprising a first honeycomb paperboard (1), a nano-microporous heat insulation board (2) fixedly connected to the top of the first honeycomb paperboard (1), a moisture-proof and breathable layer (3) fixedly connected to the top of the nano-microporous heat insulation board (2), characterized in that: A second honeycomb paperboard (4) is fixedly connected to the top of the moisture-proof and breathable layer (3), and a heat-insulating film (5) is fixedly connected to the top of the second honeycomb paperboard (4).

2. The multi-layer composite paperboard with thermal insulation function according to claim 1, characterized in that: The inner wall of the moisture-proof and breathable layer (3) is fixedly connected with a vapor barrier membrane (31), and the top of the vapor barrier membrane (31) is fixedly connected with a waterproof and breathable membrane (32).

3. The multi-layer composite paperboard with thermal insulation function according to claim 2, characterized in that: The waterproof breathable membrane (32) is provided with a plurality of connection holes (321), the inner wall of the connection hole (321) is fixedly connected with a plurality of waterproof and breathable blocks (322), and each of the waterproof and breathable blocks (322) is provided with a plurality of air holes (323).

4. The multi-layer composite paperboard with thermal insulation function according to claim 2, characterized in that: The waterproof breathable membrane (32) is fixedly connected to the inner wall of the moisture-proof breathable layer (3).

5. The multi-layer composite paperboard with thermal insulation function according to claim 2, characterized in that: The moisture-proof and breathable layer (3) is made of breathable and water-permeable material, the upper part of the inner wall is fixedly connected to the waterproof and breathable membrane (32), and the lower part is fixedly connected to the vapor barrier membrane (31).

6. The multi-layer composite paperboard with thermal insulation function according to claim 1, characterized in that: The nano-microporous heat insulation board (2) uses nano-silicon dioxide and infrared blocking materials, and its heat insulation performance is 3-4 times that of traditional ceramic fibers.