A composite structure integrating self-cleaning and thermal insulation for building exterior walls

CN224705334UActive Publication Date: 2026-09-01QINGDAO LEADING NEW BUILDING MATERIALS TECH CO LTD
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Patent Information

Application Number
CN202521811994.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-25
Publication Date
2026-09-01
Estimated Expiration
2035-08-25

AI Technical Summary

Technical Problem

[0003]经检索,现有的建筑外墙(尤其是传统贴砖、涂料类或老旧外墙)常因材料选型、施工工艺或老化问题造成饰面和保温层脱落风险,且外墙外观是建筑颜值的核心,外墙贴砖的砖缝(如水泥勾缝)易藏污纳垢,砖缝吸水率高,雨水浸泡后易发黑、长青苔,表面易积灰、挂污,清洁困难,严重影响建筑外观整洁度

Benefits of technology

[0018]本实用新型提出的一种建筑外墙自清洁与保温一体化复合结构,该结构通过保温层和自清洁饰面层作用实现保温功能与自清洁功能有机结合,有效提升了建筑外墙的性能和品质,且通过粘结层和增强层可确保各层之间的粘结强度,防止保温层和自清洁饰面层脱落,保证复合结构的稳定性和整体性,同时增强复合结构的抗拉伸、抗冲击能力,防止墙面出现裂缝,延长建筑外墙的使用寿命。

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Abstract

This utility model relates to the field of building exterior wall technology and discloses an integrated composite structure for self-cleaning and thermal insulation of building exterior walls. It includes a base wall, an insulation layer, and a self-cleaning finishing layer. The insulation layer is fixedly disposed on the outside of the base wall, and the self-cleaning finishing layer is fixedly disposed on the outside of the insulation layer. An adhesive layer is fixedly disposed between the base wall, the insulation layer, and the self-cleaning finishing layer. A reinforcing layer is fixedly disposed on the outside of the insulation layer. In this utility model, the structure organically combines thermal insulation and self-cleaning functions through the insulation layer and the self-cleaning finishing layer, effectively improving the performance and quality of the building exterior wall. Furthermore, the adhesive layer and reinforcing layer ensure the bonding strength between the layers, preventing the insulation layer and the self-cleaning finishing layer from falling off, ensuring the stability and integrity of the composite structure. Simultaneously, it enhances the tensile and impact resistance of the composite structure, preventing cracks in the wall surface and extending the service life of the building exterior wall.
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Description

Technical Field

[0001] This utility model relates to the field of building exterior wall technology, and in particular to a self-cleaning and heat-insulating composite structure for building exterior walls. Background Technology

[0002] Building exterior walls are the external facade structure of a building. As an external enclosure component, their core function is to separate the indoor and outdoor environments. At the same time, they bear the functions of load-bearing, wind protection, rain protection, thermal insulation, sound insulation and fire prevention, and are crucial to the safety, durability and aesthetics of a building.

[0003] Research indicates that existing building exterior walls (especially traditional brick, paint, or old exterior walls) often face the risk of detachment of the finish and insulation layer due to material selection, construction techniques, or aging issues. Furthermore, the exterior appearance is the core of a building's aesthetic appeal. The brick joints (such as cement grout) of exterior brick walls are prone to accumulating dirt and grime. The brick joints have a high water absorption rate, and after being soaked by rainwater, they are prone to turning black and growing moss. The surface is also prone to accumulating dust and dirt, making cleaning difficult and seriously affecting the cleanliness of the building's appearance.

[0004] Therefore, those skilled in the art have provided a composite structure integrating self-cleaning and thermal insulation for building exterior walls to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide an integrated composite structure for self-cleaning and thermal insulation of building exterior walls. This structure organically combines thermal insulation and self-cleaning functions through the action of the thermal insulation layer and the self-cleaning finishing layer, effectively improving the performance and quality of the building exterior walls. Furthermore, the bonding layer and the reinforcing layer ensure the bonding strength between the layers, preventing the thermal insulation layer and the self-cleaning finishing layer from falling off, ensuring the stability and integrity of the composite structure, while enhancing the tensile and impact resistance of the composite structure, preventing cracks in the wall surface, and extending the service life of the building exterior walls.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A self-cleaning and thermal insulation integrated composite structure for building exterior walls includes a base wall, an insulation layer, and a self-cleaning finishing layer. The insulation layer is fixedly installed on the outside of the base wall, and the self-cleaning finishing layer is fixedly installed on the outside of the insulation layer. An adhesive layer is fixedly installed between the base wall, the insulation layer, and the self-cleaning finishing layer. A reinforcing layer is fixedly installed on the outside of the insulation layer.

[0008] The above technical solution organically combines the thermal insulation and self-cleaning functions through the thermal insulation layer and the self-cleaning finishing layer, effectively improving the performance and quality of the building's exterior wall. Furthermore, the bonding layer and reinforcement layer ensure the bonding strength between the layers, preventing the thermal insulation layer and the self-cleaning finishing layer from falling off, ensuring the stability and integrity of the composite structure, while also enhancing the tensile and impact resistance of the composite structure, preventing cracks in the wall surface, and extending the service life of the building's exterior wall.

[0009] Furthermore, the insulation layer is made of rock wool board material;

[0010] Through the above technical solutions, rock wool board materials can effectively reduce the transfer of heat between the inside and outside of the building, reduce energy consumption, and provide good thermal insulation for the building.

[0011] Furthermore, the adhesive layer is made of polymer mortar material;

[0012] Through the above technical solution, polymer mortar material can be used to firmly bond the insulation layer to the base wall and the self-cleaning finishing layer, ensuring the bonding strength between the layers, preventing the insulation layer and the self-cleaning finishing layer from falling off, and ensuring the stability and integrity of the composite structure.

[0013] Furthermore, the surface of the self-cleaning finish layer is coated with a silicone coating;

[0014] Through the above technical solution, the silicone coating makes the surface of the self-cleaning decorative layer very smooth and dense, with extremely weak affinity for pollutants such as dust and oil. Pollutants are difficult to adhere firmly and mostly just float on the surface. When rainwater falls on the wall, the water droplets gather into spherical water droplets due to surface tension. The water droplets slide down under their own gravity. During the rolling process, they will wrap and adhere to the dust and other dirt on the wall and carry them away, thus achieving the self-cleaning function.

[0015] Furthermore, the reinforcing layer is made of wire mesh material;

[0016] The above technical solution effectively enhances the tensile and impact resistance of composite structures by using wire mesh materials, prevents cracks in the wall surface, and extends the service life of building exterior walls.

[0017] This utility model has the following beneficial effects:

[0018] This utility model proposes an integrated composite structure for self-cleaning and thermal insulation of building exterior walls. This structure organically combines thermal insulation and self-cleaning functions through the action of an insulation layer and a self-cleaning finishing layer, effectively improving the performance and quality of the building exterior walls. Furthermore, the bonding layer and reinforcing layer ensure the bonding strength between the layers, preventing the insulation layer and the self-cleaning finishing layer from falling off, ensuring the stability and integrity of the composite structure, while enhancing the tensile and impact resistance of the composite structure, preventing cracks in the wall surface, and extending the service life of the building exterior walls. Attached Figure Description

[0019] Figure 1 This is a three-dimensional sectional view of the exterior wall of a self-cleaning and thermal insulation integrated composite structure for building exterior walls proposed in this utility model.

[0020] Figure 2 This is a schematic diagram of the insulation layer structure of an integrated self-cleaning and thermal insulation composite structure for building exterior walls proposed in this utility model.

[0021] Figure 3 This is a schematic diagram of the self-cleaning decorative layer structure of an integrated self-cleaning and thermal insulation composite structure for building exterior walls proposed in this utility model.

[0022] Figure 4 This is a schematic diagram of the adhesive layer structure of an integrated self-cleaning and thermal insulation composite structure for building exterior walls proposed in this utility model.

[0023] Figure 5 This is a schematic diagram of the reinforcing layer structure of an integrated self-cleaning and thermal insulation composite structure for building exterior walls proposed in this utility model.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Base wall; 2. Insulation layer; 3. Self-cleaning finishing layer; 4. Adhesive layer; 5. Reinforcing layer. Detailed Implementation

[0026] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments. Obviously, the described specific embodiments are only a part of the specific embodiments of the present invention, and not all of them. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Reference Figure 1-5 This utility model provides a specific implementation method:

[0028] A self-cleaning and thermal insulation integrated composite structure for building exterior walls includes a base wall 1, an insulation layer 2, and a self-cleaning finishing layer 3. The insulation layer 2 is fixedly installed on the outside of the base wall 1, and the self-cleaning finishing layer 3 is fixedly installed on the outside of the insulation layer 2. An adhesive layer 4 is fixedly installed between the base wall 1, the insulation layer 2, and the self-cleaning finishing layer 3. A reinforcing layer 5 is fixedly installed on the outside of the insulation layer 2. The insulation layer 2 and the self-cleaning finishing layer 3 organically combine thermal insulation and self-cleaning functions, effectively improving the performance and quality of the building exterior wall. The adhesive layer 4 and the reinforcing layer 5 ensure the bonding strength between the layers, preventing the insulation layer 2 and the self-cleaning finishing layer 3 from falling off, ensuring the stability and integrity of the composite structure, and enhancing the tensile and impact resistance of the composite structure, preventing cracks in the wall surface, and extending the service life of the building exterior wall. The insulation layer 2 is made of rock wool board material, which effectively reduces the heat transfer between the inside and outside of the building, reduces energy consumption, and provides good thermal insulation for the building. Thermal effect: The bonding layer 4 is made of polymer mortar material, which can firmly bond the insulation layer 2 to the base wall 1 and the self-cleaning finishing layer 3 together, ensuring the bonding strength between the layers, preventing the insulation layer 2 and the self-cleaning finishing layer 3 from falling off, and ensuring the stability and integrity of the composite structure. The surface of the self-cleaning finishing layer 3 is coated with a silicone coating, which makes the surface of the self-cleaning finishing layer 3 very smooth and dense, with very weak affinity for pollutants such as dust and oil. Pollutants are difficult to adhere firmly and mostly just float on the surface. When rainwater falls on the wall, the water droplets gather into spherical water droplets due to surface tension. The water droplets slide down under their own gravity, and during the rolling process, they will wrap, adhere and carry away the dust and other dirt attached to the wall, thus achieving the self-cleaning function. The reinforcing layer 5 is made of wire mesh material, which can effectively enhance the tensile and impact resistance of the composite structure, prevent cracks in the wall surface and extend the service life of the building's exterior wall.

[0029] Working Principle: When using this self-cleaning and thermal insulation integrated composite structure for building exterior walls, the base wall 1 serves as the supporting foundation of the composite structure. It is typically a reinforced concrete wall, block wall, or brick wall, bearing the weight of the composite structure and various forces from the external environment. The insulation layer 2 is made of rock wool board, effectively reducing heat transfer between the building's interior and exterior, lowering energy consumption, and providing excellent thermal insulation. The self-cleaning finishing layer 3 is coated with a silicone coating, making its surface very smooth and dense. It has extremely weak affinity for dust, oil, and other contaminants, making it difficult for contaminants to adhere firmly; most simply float on the surface. When rainwater falls on the wall, the water droplets are dispersed due to surface tension. The water droplets, formed by the force of gravity, fall downwards and, during their rolling motion, encapsulate and carry away dust and other dirt adhering to the wall surface, thus achieving a self-cleaning function. The bonding layer 4, made of polymer mortar, firmly bonds the insulation layer 2 to the base wall 1 and the self-cleaning finishing layer 3, ensuring the bonding strength between the layers, preventing the insulation layer 2 and the self-cleaning finishing layer 3 from falling off, and guaranteeing the stability and integrity of the composite structure. The reinforcing layer 5, made of wire mesh, effectively enhances the tensile and impact resistance of the composite structure, prevents cracks in the wall surface, extends the service life of the building's exterior wall, and improves the performance and quality of the building's exterior wall.

[0030] The following points should be noted in this article:

[0031] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0032] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing specific embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A building outer wall self-cleaning and thermal insulation integrated composite structure, comprising a base wall (1), a thermal insulation layer (2) and a self-cleaning finishing layer (3), characterized in that: The heat preservation layer (2) is fixedly arranged outside the base layer wall (1), the self-cleaning finishing layer (3) is fixedly arranged outside the heat preservation layer (2), and the base layer wall (1), the heat preservation layer (2) and the self-cleaning finishing layer (3) are all fixedly arranged with the adhesive layer (4), and the heat preservation layer (2) is fixedly arranged with the reinforcing layer (5) outside.

2. The self-cleaning and thermal insulation integrated composite structure of an external wall of a building according to claim 1, characterized in that: The heat preservation layer (2) is made of rock wool plate material.

3. The self-cleaning and thermal insulation integrated composite structure of an external wall of a building according to claim 1, characterized in that: The adhesive layer (4) is made of polymer mortar material.

4. The self-cleaning and thermal insulation integrated composite structure of an external wall of a building according to claim 1, characterized in that: The surface of the self-cleaning finishing layer (3) is brushed with a silicone coating.

5. The self-cleaning and thermal insulation integrated composite structure for building exterior wall according to claim 1, characterized in that: The reinforcing layer (5) is made of steel wire mesh material.