A concrete block incorporating microencapsulated phase change material

By introducing microcapsule phase change materials into concrete blocks, the problem of poor temperature control structure was solved, achieving efficient temperature regulation and improved thermal insulation performance, reducing building energy consumption and extending service life.

CN224549475UActive Publication Date: 2026-07-24JILIN JIANZHU UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JILIN JIANZHU UNIVERSITY
Filing Date
2025-09-03
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

The existing concrete blocks have poor temperature control structure. In summer, they easily absorb and transfer heat from the outside, causing the indoor temperature to rise sharply. In winter, their insulation performance is poor, and heat is lost quickly, resulting in high building energy consumption.

Method used

It adopts microencapsulated phase change material, with a core of paraffin-fatty acid composite phase change material and an outer shell of melamine-formaldehyde resin. Combined with crack-resistant layer, heat insulation layer, waterproof layer and wear-resistant layer, it forms a stable concrete block structure. It utilizes the phase change material to efficiently absorb and release heat in the 20℃-28℃ range, prevents material leakage and enhances thermal insulation performance.

Benefits of technology

It reduces the maximum indoor temperature by 2℃-5℃ in summer and reduces heat loss by 15%-25% in winter, significantly improving indoor thermal comfort and reducing building energy consumption, and extending the service life of the blocks by more than 15 years.

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Patent Text Reader

Abstract

The utility model discloses a kind of concrete blocks combined with microcapsule phase change material, it is related to concrete block technical field, the concrete block includes block main body, the top of the block main body is equidistantly provided with multiple positioning blocks, the bottom of the block main body is equidistantly provided with multiple positioning grooves, and positioning groove and positioning block are adapted between, and the block main body includes microcapsule phase change material main body.In the utility model, the microcapsule phase change material main body of block built-in, its kernel paraffin-fatty acid composite phase change material can be in 20~28 ℃ interval high-efficiency heat absorption and release, reduce indoor maximum temperature 2~5 ℃ in summer, reduce heat loss 15~25% in winter, realize building energy saving and indoor thermal comfort promotion, shell melamine-formaldehyde resin can completely block phase change material leakage, guarantee the stable temperature control life of block more than 15 years, avoid the functional attenuation caused by material loss of conventional phase change block.
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Description

Technical Field

[0001] This utility model relates to the field of concrete block technology, specifically a concrete block incorporating microcapsule phase change materials. Background Technology

[0002] Concrete blocks are a type of block building material made by mixing cement as a binder with sand, gravel, aggregates (or adding functional materials), molding, and curing. They are widely used in the wall construction of residential buildings, office buildings, industrial plants, and other buildings. They are one of the mainstream wall materials that have replaced traditional clay bricks, and they are practical, economical, and environmentally friendly.

[0003] Existing conventional concrete block structures have poor temperature control, easily absorbing and transferring external heat in summer, causing a sudden rise in indoor temperature. In winter, they have poor insulation performance and rapid heat loss, requiring reliance on air conditioning and heating equipment to maintain a comfortable indoor temperature, resulting in high building energy consumption.

[0004] Based on this, a concrete block incorporating microencapsulated phase change materials is now provided, which can eliminate the drawbacks of existing devices. Utility Model Content

[0005] The purpose of this invention is to provide a concrete block incorporating microcapsule phase change materials to solve the problem of poor temperature control structure in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A concrete block incorporating microcapsule phase change material includes a block body, wherein multiple positioning blocks are equidistantly arranged on the top of the block body, and multiple positioning grooves are equidistantly opened on the bottom of the block body, and the positioning grooves are adapted to the positioning blocks. The block body includes a microcapsule phase change material body, the outside of which is provided with a concrete layer, and the inside of which is provided with a crack-resistant layer.

[0007] Based on the above technical solutions, this utility model also provides the following optional technical solutions: In one alternative: the microcapsule phase change material body includes a core, and the core is surrounded by a shell.

[0008] In one alternative: a heat insulation layer is provided on one side of the concrete layer, a waterproof layer is provided on one side of the heat insulation layer, and a wear-resistant layer is provided on one side of the waterproof layer.

[0009] In one alternative: the top of the block body is provided with a heat insulation groove, a temperature conduction groove and a sound insulation groove.

[0010] In one alternative: the interior of the heat insulation groove is filled with heat insulation foam, and the interior of the sound insulation groove is filled with sound insulation cotton.

[0011] In one alternative: a slot is provided on one side of the block body, and a block is provided on the other side of the block body, and the block and the slot are compatible.

[0012] In one alternative: the crack-resistant layer is a fiberglass mesh or a carbon fiber mesh, the heat insulation layer is a silica aerogel coating, the waterproof layer is a polymer cement waterproof coating, and the wear-resistant layer is an epoxy resin wear-resistant coating.

[0013] In one alternative: the core is a paraffin-fatty acid composite phase change material, and the outer shell is melamine-formaldehyde resin.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. The microcapsule phase change material body built into the block of this utility model has a core of paraffin-fatty acid composite phase change material that can efficiently absorb and release heat in the range of 20℃-28℃. In summer, it can reduce the maximum indoor temperature by 2℃-5℃ and in winter, it can reduce heat loss by 15%-25%, thereby achieving building energy conservation and improving indoor thermal comfort. The outer shell of melamine-formaldehyde resin can completely block the leakage of phase change material, ensuring a stable temperature control life of more than 15 years for the block and avoiding the functional degradation caused by material loss in conventional phase change blocks.

[0015] 2. The crack-resistant layer inside the concrete layer in this utility model can effectively inhibit cracks caused by temperature changes and drying shrinkage in concrete, and prevent cracks from damaging the microcapsule structure or causing water seepage in the wall. The heat insulation layer, waterproof layer and wear-resistant layer arranged in sequence on the outside can respectively achieve the functions of lateral heat insulation, moisture barrier and anti-friction wear, which not only reduces the erosion of the internal structure of the block by the external environment, but also extends the overall service life of the block, and is suitable for different climates and usage scenarios. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0017] Figure 2 A schematic diagram of the positioning groove of this utility model.

[0018] Figure 3 This is a cross-sectional structural diagram of the main block of this utility model.

[0019] Figure 4 This is a schematic cross-sectional view of the main body of the microcapsule phase change material of this utility model.

[0020] Figure label annotations: 1. Block body; 101. Microcapsule phase change material body; 1011. Core; 1012. Outer shell; 102. Concrete layer; 103. Crack-resistant layer; 104. Thermal insulation layer; 105. Waterproof layer; 106. Wear-resistant layer; 2. Thermal insulation groove; 3. Temperature conduction groove; 4. Sound insulation groove; 5. Positioning block; 6. Positioning groove; 7. Slot; 8. Slot; 9. Thermal insulation foam; 10. Sound insulation cotton. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0022] In one embodiment, such as Figures 1-4 As shown, a concrete block incorporating microcapsule phase change material includes a block body 1. The top of the block body 1 is provided with a plurality of positioning blocks 5 at equal intervals, and the bottom of the block body 1 is provided with a plurality of positioning grooves 6 at equal intervals, and the positioning grooves 6 are adapted to the positioning blocks 5. The block body 1 includes a microcapsule phase change material body 101, the outside of which is provided with a concrete layer 102, and the inside of which is provided with a crack-resistant layer 103.

[0023] In this embodiment, the positioning block 5 and the positioning groove 6 facilitate the stacking of multiple block bodies 1, improving stability. The volume ratio of the microcapsule phase change material body 101 within the concrete layer 102 is 10%-20%, and the crack-resistant layer 103 can effectively suppress cracks in the concrete layer 102 caused by temperature changes or drying shrinkage. In one embodiment, such as Figure 3 and Figure 4 As shown, the microcapsule phase change material body 101 includes a core 1011 and an outer shell 1012. The core 1011 is a paraffin-fatty acid composite phase change material, and the outer shell 1012 is melamine-formaldehyde resin. The core 1011 can efficiently absorb / release heat in the range of 20℃-28℃, which can reduce the maximum indoor temperature by 2℃-5℃ in summer and reduce indoor heat loss by 15%-25% in winter, significantly improving indoor thermal comfort and reducing building energy consumption. The outer shell 1012 effectively prevents the leakage of phase change material and ensures that the block still has a stable temperature control function after long-term use, with a service life of more than 15 years.

[0024] In one embodiment, such as Figure 3As shown, a heat insulation layer 104 is provided on one side of the concrete layer 102, a waterproof layer 105 is provided on one side of the heat insulation layer 104, and a wear-resistant layer 106 is provided on one side of the waterproof layer 105. The crack-resistant layer 103 is a fiberglass mesh or a carbon fiber mesh, the heat insulation layer 104 is a silica aerogel coating, the waterproof layer 105 is a polymer cement waterproof coating, and the wear-resistant layer 106 is an epoxy resin wear-resistant coating. The heat insulation layer 104 can effectively block the lateral transfer of heat through the block body 1, the waterproof layer 105 can prevent rainwater and moisture from penetrating into the interior of the block and affecting the performance of the microcapsule phase change material body 101, and the wear-resistant layer 106 can withstand frictional wear during construction and use.

[0025] In one embodiment, such as Figure 1 and Figure 2 As shown, the top of the main block 1 is provided with a heat insulation groove 2, a heat conduction groove 3, and a sound insulation groove 4. The heat insulation groove 2 is filled with heat insulation foam 9, and the sound insulation groove 4 is filled with sound insulation cotton 10. The sound insulation groove 4 provides installation space for the sound insulation cotton 10. After filling, the sound insulation cotton 10 fits tightly against the groove wall. Through the fiber structure, it absorbs sound waves, reduces the propagation of sound waves between blocks, improves the sound insulation effect of the wall, and improves the indoor acoustic environment. The heat insulation groove 2 provides a fixed housing space for the heat insulation foam 9. The heat insulation foam 9 fills the groove and blocks heat conduction through the closed-cell structure, reducing the ingress of high external temperatures in summer and the loss of indoor heat in winter.

[0026] In one embodiment, such as Figure 1 and Figure 2 As shown, a slot 7 is provided on one side of the block body 1, and a block 8 is provided on the other side of the block body 1. The block 8 and the slot 7 are compatible with each other. Through the cooperation of the block 8 and the slot 7, it is convenient to stack multiple block bodies 1.

[0027] The above embodiments disclose a concrete block incorporating microcapsule phase change materials. The positioning block 5 and positioning groove 6, and the locking block 8 and locking groove 7, facilitate the stacking of multiple block bodies 1. The sound insulation groove 4 provides installation space for the sound insulation cotton 10. After filling, the sound insulation cotton 10 adheres tightly to the groove wall, absorbing sound waves through its fiber structure, reducing sound wave propagation between blocks, improving the wall's sound insulation effect, and enhancing the indoor acoustic environment. The heat insulation groove 2 provides a fixed space for the heat insulation foam 9. The heat insulation foam 9 fills the groove, blocking heat conduction through its closed-cell structure, reducing the influx of high external temperatures in summer and the loss of indoor heat in winter. The heat insulation layer 10... 4. It can effectively block the lateral transfer of heat through the block body 1. The waterproof layer 105 can prevent rainwater and moisture from seeping into the interior of the block and affecting the performance of the microcapsule phase change material body 101. The wear-resistant layer 106 can withstand the frictional wear during construction and use. The core 1011 can efficiently absorb / release heat in the range of 20℃-28℃. In summer, it can reduce the maximum indoor temperature by 2℃-5℃. In winter, it can reduce indoor heat loss by 15%-25%, significantly improving indoor thermal comfort and reducing building energy consumption. The outer shell 1012 effectively prevents the leakage of phase change material and ensures that the block still has a stable temperature control function after long-term use. The service life can reach more than 15 years.

[0028] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A concrete block incorporating microcapsule phase change material, comprising a block body (1), wherein a plurality of positioning blocks (5) are equidistantly arranged on the top of the block body (1), and a plurality of positioning grooves (6) are equidistantly opened on the bottom of the block body (1), and the positioning grooves (6) are adapted to the positioning blocks (5); Its features are, The block body (1) includes a microcapsule phase change material body (101), the outside of the microcapsule phase change material body (101) is provided with a concrete layer (102), and the inside of the concrete layer (102) is provided with a crack-resistant layer (103).

2. A concrete block incorporating microcapsule phase change material according to claim 1, characterized in that, The microcapsule phase change material body (101) includes a core (1011) and a shell (1012) is disposed outside the core (1011).

3. A concrete block incorporating microcapsule phase change material according to claim 2, characterized in that, A heat insulation layer (104) is provided on one side of the concrete layer (102), a waterproof layer (105) is provided on one side of the heat insulation layer (104), and a wear-resistant layer (106) is provided on one side of the waterproof layer (105).

4. A concrete block incorporating microcapsule phase change material according to claim 1, characterized in that, The top of the block body (1) is provided with a heat insulation groove (2), a temperature conduction groove (3) and a sound insulation groove (4).

5. A concrete block incorporating microcapsule phase change material according to claim 4, characterized in that, The interior of the heat insulation groove (2) is filled with heat insulation foam (9), and the interior of the sound insulation groove (4) is filled with sound insulation cotton (10).

6. A concrete block incorporating microcapsule phase change material according to claim 1, characterized in that, A slot (7) is provided on one side of the block body (1), and a block (8) is provided on the other side of the block body (1), and the block (8) and the slot (7) are compatible.

7. A concrete block incorporating microcapsule phase change material according to claim 3, characterized in that, The crack-resistant layer (103) is a glass fiber mesh or carbon fiber mesh, the heat insulation layer (104) is a silica aerogel coating, the waterproof layer (105) is a polymer cement waterproof coating, and the wear-resistant layer (106) is an epoxy resin wear-resistant coating.

8. A concrete block incorporating microcapsule phase change material according to claim 2, characterized in that, The core (1011) is a paraffin-fatty acid composite phase change material, and the outer shell (1012) is melamine-formaldehyde resin.