Seasonal adaptive composite phase change enclosure structure

Abstract

The utility model discloses a seasonal adaptation type composite phase change enclosure structure, particularly relates to the technical field of building enclosure structures, and comprises a fixed frame plate, and a transparent reflecting film, a phase change material layer, a heat insulation layer and a protective gypsum board are sequentially arranged in the middle of the fixed frame plate from outside to inside. The side, close to the transparent reflecting film, of the fixed frame plate is fixedly connected with a limiting outer frame. The phase change material layers comprise the low-temperature phase change layer, the medium-temperature phase change layer and the high-temperature phase change layer, so that phase change of different materials can be facilitated in different seasons, indoor temperature is adjusted, the utilization rate of the phase change materials is increased, and use is facilitated; the enclosure structure can be conveniently installed and fixed, the situation that a gap exists between every two adjacent fixing frame plates, and consequently a gap is generated between the enclosure structure and the building outer wall is avoided, the sealing and attaching effect of installation is improved, and water is prevented from entering the space between the building outer wall and the enclosure structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to building envelope technology field more specifically, the utility model relates to season adaptive composite phase change envelope. BACKGROUND

[0002] The envelope refers to the enclosure of a building and a room, such as doors, windows, walls, etc., which can effectively resist the influence of adverse environment. The envelope is divided into transparent and non-transparent parts. The non-transparent envelope includes walls, roofs, and floors, etc. The transparent envelope includes windows, skylights, and balcony doors, etc. The phase change material is applied to the building envelope. By utilizing the characteristics of absorbing or releasing a large amount of latent heat during the phase change process, the indoor temperature can be effectively adjusted, and the building energy consumption can be reduced.

[0003] The Chinese patent with patent application number CN202021873463.6 discloses a solid-solid phase change climate self-adaptive envelope, which includes a variable transparency solid-solid phase change material, a high reflectivity film, a thermal insulation layer, a right-angle fixing plate, and a bolt and nut. In summer, the solid-solid phase change material is in a transparent state. After the solar incident light passes through the solid-solid phase change material, it is reflected to the outdoor environment under the action of the high reflectivity film, reducing the heat absorption of the thermal insulation layer, and achieving the heat insulation effect of the envelope. The utility model has the advantages of simple structure, low cost, and active adjustment of solar radiation heat absorption of the building envelope by combining the variable transparency solid-solid phase change material with the high reflectivity film, which has the functions of heat preservation and heat insulation.

[0004] However, as can be seen from the drawings in the specification, the existing phase change envelope often uses a single phase change material. In regions with distinct seasons, the climate conditions are complex and changeable, with high temperatures in summer and cold and humid weather in winter. The single phase change material cannot meet the needs of heat storage and warmth in winter and cold storage and temperature reduction in summer at the same time, resulting in low utilization rate of the phase change material and affecting the energy-saving effect of the envelope. Moreover, the existing envelope installed on the outer wall of the building can cause gaps between the envelope and the outer wall, affecting the use effect. SUMMARY

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a season adaptive composite phase change envelope to solve the problems raised in the background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: Seasonal adaptation type composite phase change enclosure structure, including fixed frame board, the middle part of fixed frame board is sequentially provided with transparent reflection film, phase change material layer, heat preservation layer, protective gypsum board from outside to inside, can reflect high temperature light at high temperature through transparent reflection film, reduce the heating intensity of phase change material layer, and carry out heat insulation protection through heat preservation layer, further improve the heat insulation effect through protective gypsum board, the side of fixed frame board close to transparent reflection film is fixedly connected with limiting outer frame, the position of transparent reflection film and phase change material layer, heat preservation layer is limited through limiting outer frame, the middle part of fixed frame board is fixedly connected with support inner frame, and the position of heat preservation layer and protective gypsum board can be limited through support inner frame, and the combination connection strength of fixed frame board and protective gypsum board, heat preservation layer, phase change material layer is improved,

[0007] The side of the fixed frame board is provided with a fixed plate, which is convenient to install on the building outer wall through the fixed plate, and the bottom of the protective gypsum board is provided with a mounting groove around, which is convenient to connect the fixed frame board and the fixed plate through the mounting groove, and the middle part of the mounting groove is provided with a threaded hole, and the middle part of the threaded hole is provided with a fastening screw, which is convenient to fix the fixed plate on the building outer wall through the fastening screw penetrating the middle part of the threaded hole, and the position of the fixed plate is fixed and used conveniently, and one end of the fixed plate is fixedly connected with a plurality of positioning pins, which improves the installation and fixing strength of the fixed plate, avoids the sliding of the fixed plate, and improves the stability of the fixed plate installation and fixation.

[0008] The transparent reflection film is set as a polyester film, and the heat preservation layer is set as an urethane heat preservation plate, the heat insulation and reflection effect is improved through the transparent reflection film, and the heat insulation effect is achieved through the heat preservation layer to avoid the influence of external temperature on the indoor temperature.

[0009] The protective gypsum board is fixedly connected with the heat preservation layer, and the support inner frame is arranged between the protective gypsum board and the heat preservation layer.

[0010] The limiting outer frame is arranged on the side of the transparent reflection film away from the phase change material layer, and the width of the support inner frame is greater than the width of the limiting outer frame, the transparent reflection film and the phase change material layer are limited through the limiting outer frame, and the combination connection strength of the fixed frame board and the heat preservation layer and the phase change material layer is improved through the support inner frame.

[0011] The phase change material layer comprises a low-temperature phase change layer, a medium-temperature phase change layer and a high-temperature phase change layer, the low-temperature phase change layer is arranged on the side close to the heat preservation layer, the medium-temperature phase change layer is arranged between the low-temperature phase change layer and the high-temperature phase change layer, the material of the low-temperature phase change layer is set as pitch, the material of the medium-temperature phase change layer is set as a composite material of erythritol and nano-alumina, and the material of the high-temperature phase change layer is set as a molten salt material.

[0012] The low-temperature phase change layer is used for absorbing or releasing heat to adjust indoor temperature at low temperature, the medium-temperature phase change layer is used for adjusting indoor temperature by phase change at temperature fluctuation, and the high-temperature phase change layer is used for adjusting and insulating by phase change at high temperature, so that the low-temperature phase change layer, the medium-temperature phase change layer and the high-temperature phase change layer can be used for insulating and heat preservation in different seasons, and indoor temperature is conveniently adjusted.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] 1、the utility model discloses a phase change material layer including low-temperature phase change layer, medium-temperature phase change layer, high-temperature phase change layer, can conveniently in different seasons different material phase change, thereby adjusting indoor temperature, improve the utilization of phase change material, convenient to use, and through the cooperation of fixed frame plate and fixed plate, the convenience of the installation of the enclosure structure is fixed, and the gap between the adjacent two fixed frame plates is avoided, so that the gap between the enclosure mechanism and the building outer wall is caused, the sealing effect of installation is improved, and water is prevented from entering between the building outer wall and the enclosure.

[0015] 2、the utility model discloses still through setting up the position of fixed plate fixed when installing fixed plate, avoids the displacement of fixed plate due to the movement of fastening screw rod when installing, improves the stability of fixed plate installation, and through the installation groove, the enclosure structure and fixed plate combination are connected and fixed, and the connection strength of fixed frame plate, heat insulation layer and phase change material layer is improved through the support inner frame, the external protection of phase change material layer is carried out through transparent reflection film, and the transparent reflection film and phase change material layer are limited through the limiting outer frame, and the stability of combination is improved.

[0016] In summary, through the mutual influence of the above-mentioned multiple effects, different materials can be conveniently phase changed in different seasons, so that indoor temperature is adjusted, the utilization of phase change material is improved, the sealing effect of installation is improved, water is prevented from entering between the building outer wall and the enclosure, and the use effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall cross-sectional structure schematic diagram of the utility model.

[0018] Figure 2 It is the overhead structure schematic diagram of the utility model.

[0019] Figure 3 It is the combined installation partial cross-sectional structure schematic diagram of the utility model.

[0020] Figure 4 It is the split structure schematic diagram of the utility model fixed plate and fastening screw rod.

[0021] The attached diagram is labeled as follows: 1. Protective gypsum board; 2. Thermal insulation layer; 3. Phase change material layer; 4. Transparent reflective film; 5. Fixing frame plate; 6. Limiting outer frame; 7. Supporting inner frame; 8. Mounting groove; 9. Fixing plate; 10. Threaded hole; 11. Fastening screw; 12. Positioning pin. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] As attached Figures 1-4 The seasonally adaptable composite phase change enclosure structure shown includes a fixed frame plate 5. From the outside to the inside, a transparent reflective film 4, a phase change material layer 3, a thermal insulation layer 2, and a protective gypsum board 1 are sequentially arranged in the middle of the fixed frame plate 5. The transparent reflective film 4 can reflect high-temperature light at high temperatures, reducing the heat intensity of the phase change material layer 3. The thermal insulation layer 2 provides thermal insulation protection, and the protective gypsum board 1 further enhances the thermal insulation effect. A limiting outer frame 6 is fixedly connected to the side of the fixed frame plate 5 closest to the transparent reflective film 4, limiting the positions of the transparent reflective film 4, the phase change material layer 3, and the thermal insulation layer 2. A supporting inner frame 7 is fixedly connected to the middle of the fixed frame plate 5, limiting the positions of the thermal insulation layer 2 and the protective gypsum board 1 and improving the combined connection strength of the fixed frame plate 5, the protective gypsum board 1, the thermal insulation layer 2, and the phase change material layer 3.

[0024] A fixing plate 9 is provided on one side of the fixing frame plate 5, which facilitates installation on the exterior wall of the building. The bottom of the protective gypsum board 1 has mounting grooves 8 around its perimeter, which facilitates the connection between the fixing frame plate 5 and the fixing plate 9. A threaded hole 10 is provided in the middle of the mounting groove 8, and a fastening screw 11 is inserted into the middle of the threaded hole 10. The fastening screw 11 passes through the middle of the threaded hole 10 to facilitate the fixing of the fixing plate 9 to the exterior wall of the building, making it convenient to fix the position of the fixing plate 9. Multiple positioning pins 12 are fixedly connected to one end of the fixing plate 9. The positioning pins 12 improve the installation and fixing strength of the fixing plate 9, prevent the fixing plate 9 from sliding, and improve the stability of the installation and fixing of the fixing plate 9.

[0025] As attached Figures 1-4As shown, the transparent reflective film 4 is provided as a polyester film, the thermal insulation layer 2 is provided as a urethane thermal insulation board, the protective gypsum board 1 is fixedly connected with the thermal insulation layer 2, the supporting inner frame 7 is arranged between the protective gypsum board 1 and the thermal insulation layer 2, the limiting outer frame 6 is arranged on the side of the transparent reflective film 4 away from the phase change material layer 3, the width of the supporting inner frame 7 is greater than the width of the limiting outer frame 6, the phase change material layer 3 comprises a low-temperature phase change layer, a medium-temperature phase change layer and a high-temperature phase change layer, the low-temperature phase change layer is arranged on the side close to the thermal insulation layer 2, the medium-temperature phase change layer is arranged between the low-temperature phase change layer and the high-temperature phase change layer, the material of the low-temperature phase change layer is provided as pitch, the material of the medium-temperature phase change layer is provided as a composite material of erythritol and nano-aluminum oxide, and the material of the high-temperature phase change layer is provided as a molten salt material, the low-temperature phase change layer is used for absorbing or releasing heat to adjust indoor temperature when the temperature is low, the medium-temperature phase change layer is used for adjusting room temperature when the temperature fluctuates, and the high-temperature phase change layer is used for adjusting heat insulation when the temperature is high, the transparent reflective film 4 improves the heat insulation and reflection effect, the thermal insulation layer 2 can play a role in heat insulation and heat preservation to avoid the influence of external temperature on the indoor temperature, the two fixed frame plates 5 are conveniently combined and fixed, convenient installation and use are realized, the transparent reflective film 4 and the phase change material layer 3 are limited by the limiting outer frame 6, the combination and connection strength of the fixed frame plate 5, the thermal insulation layer 2 and the phase change material layer 3 is improved by the supporting inner frame 7, and the low-temperature phase change layer, the medium-temperature phase change layer and the high-temperature phase change layer can be adapted to heat insulation and heat preservation in different seasons, and indoor temperature is conveniently adjusted.

[0026] It is worth noting that the cross-sectional shape of the fixed plate 9 is provided as a "U" shape, the inner cavity of the fixed plate 9 is a long strip structure, the thickness of the inner cavity of the fixed plate 9 is the same as the sum of the thicknesses of the two fixed frame plates 5, and the thickness of the fixed plate 9 itself is the same as the inner cavity width of the mounting groove 8, so that the two ends of the fixed plate 9 are conveniently inserted into the inner cavities of the two mounting grooves 8 and abut the inner cavity walls of the mounting grooves 8, thereby assisting installation and positioning, and the one end of each of the two fixed frame plates 5 is inserted into the middle part of the inner cavity of the fixed plate 9, so that the walls of the two fixed frame plates 5 abut the wall of the fixed plate 9.

[0027] The working principle of the utility model is as follows: in winter, when the indoor temperature is lower than the phase change temperature of the low-temperature phase change layer, the low-temperature phase change layer changes phase, absorbs or releases heat, adjusts the indoor temperature, and plays a role in keeping warm,

[0028] In the transition season, when the indoor temperature is at the phase change temperature of the medium-temperature phase change layer, the medium-temperature phase change layer changes phase to adjust the room temperature, so that the indoor temperature is more comfortable,

[0029] In summer, when the indoor temperature is higher than the high-temperature phase change layer, the high-temperature phase change layer changes phase to absorb heat, reduces the indoor temperature, and plays a role in cooling;

[0030] At the same time, when the phase change material layer 3 changes phase, the heat insulation layer 2 and the protective gypsum board 1 play a role of heat insulation, avoid the influence of external temperature on indoor temperature, and the transparent reflective film 4 protects the outside of the phase change material layer 3, and the fixed frame plate 5 improves the combined strength of the heat insulation layer 2, the phase change material layer 3 and the transparent reflective film 4.

[0031] When installing, the fixed plate 9 is fixed in the preset position of the building outer wall through the fastening screw 11 penetrating the threaded hole 10, the fixed frame plate 5 is installed on the fixed frame plate 5, one end of the fixed plate 9 is inserted into the inside of the installation slot 8, the protective gypsum board 1 is adhered to the building outer wall through the colloid or mortar, and sealing glue can be injected between the two fixed frame plates 5, so that the installation sealing strength is improved, and water inflow between the building outer wall and the enclosure is avoided.

[0032] The above only describes preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A season-adaptable composite phase change envelope structure comprising a fixed frame panel (5), characterized in that: The middle part of the fixed frame plate (5) is sequentially provided from outside to inside with a transparent reflective film (4), a phase change material layer (3), a heat insulation layer (2), and a protective gypsum board (1). The side of the fixed frame plate (5) close to the transparent reflective film (4) is fixedly connected with a limiting outer frame (6). The middle part of the fixed frame plate (5) is fixedly connected with a supporting inner frame (7). One side of the fixed frame plate (5) is provided with a fixed plate (9). The bottom of the protective gypsum board (1) is provided with a mounting groove (8) around. The middle part of the mounting groove (8) is provided with a threaded hole (10). The middle part of the threaded hole (10) is inserted with a fastening screw (11). One end of the fixed plate (9) is fixedly connected with a plurality of positioning pins (12). The phase change material layer (3) comprises a low-temperature phase change layer, a medium-temperature phase change layer, and a high-temperature phase change layer. The low-temperature phase change layer is arranged on the side close to the heat insulation layer (2). The medium-temperature phase change layer is arranged between the low-temperature phase change layer and the high-temperature phase change layer. The material of the low-temperature phase change layer is set as pitch. The material of the medium-temperature phase change layer is set as a composite material of erythritol and nano-aluminum oxide. The material of the high-temperature phase change layer is set as a molten salt material.

2. The season-adaptable composite phase change envelope according to claim 1, wherein: The transparent reflective film (4) is set as a polyester film. The heat insulation layer (2) is set as an urethane heat insulation board.

3. The season-adaptable composite phase change envelope according to claim 1, wherein: The protective gypsum board (1) is fixedly connected with the heat insulation layer (2). The supporting inner frame (7) is arranged between the protective gypsum board (1) and the heat insulation layer (2).

4. The season-adaptable composite phase change envelope of claim 1, wherein: The limiting outer frame (6) is arranged on the side of the transparent reflective film (4) away from the phase change material layer (3). The width of the supporting inner frame (7) is greater than the width of the limiting outer frame (6).

5. The season-adaptable composite phase change envelope of claim 1, wherein: The low-temperature phase change layer is used for absorbing or releasing heat to adjust indoor temperature at low temperature. The medium-temperature phase change layer is used for adjusting room temperature when the air temperature fluctuates. The high-temperature phase change layer is used for adjusting heat insulation at high temperature.

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