Green building heat preservation ventilation self-adaptive adjusting device and method
By setting phase change driven ventilation channels and shape memory alloy spring adjustment devices on the phase change insulation wall, the problem of insufficient synergy between insulation and ventilation in green buildings is solved, and adaptive ventilation volume adjustment is achieved, which improves energy efficiency and indoor environmental control.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 中南建筑设计院股份有限公司
- Filing Date
- 2026-01-23
- Publication Date
- 2026-06-09
AI Technical Summary
In existing green building insulation and ventilation structures, the synergy between insulation and ventilation is insufficient, and the ventilation ducts cannot dynamically adjust the flow rate, resulting in increased cooling energy consumption due to the influx of hot air in summer and heat loss in winter, lacking a linkage and adaptation mechanism.
Phase change driven ventilation ducts are installed on the phase change insulation wall. Memory alloy springs drive elastic baffles to adjust the airflow. Combined with components such as regulating valves and hydrophilic expansion louvers, the ventilation volume is adaptively adjusted, and the ventilation volume and direction of the ventilation ducts are dynamically adjusted according to changes in temperature and humidity.
It achieves low-consumption and high-efficiency adaptive regulation of heat preservation and ventilation, reducing energy consumption for cooling in summer and heat loss in winter, and improving the stability of the indoor thermal environment and air quality.
Smart Images
Figure CN122170487A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of thermal insulation walls, and more specifically, to a green building thermal insulation and ventilation adaptive adjustment device and method. Background Technology
[0002] Green building insulation and ventilation refers to a collaborative system that integrates insulation materials, ventilation structures, and environmental response technologies in building design to achieve stable indoor thermal environment (insulation in winter and heat insulation in summer) and air circulation and renewal while reducing artificial energy consumption. The core of green building insulation and ventilation is to utilize natural energy (such as temperature and humidity differences) and material properties (such as phase change energy storage and moisture absorption expansion) to construct a dynamic balance mechanism of "low energy consumption and high adaptability," thereby ensuring indoor air quality while meeting building energy conservation standards.
[0003] The existing green building insulation and ventilation structures lack synergy between insulation and ventilation. Insulated walls and ventilation ducts are mostly independent structures. In particular, the cross-section of the ventilation ducts is fixed, and the flow rate cannot be dynamically adjusted according to the ambient temperature. In the summer, when the temperature is high, a large amount of hot air enters, causing a surge in indoor cooling energy consumption. In the winter, when the temperature is low, heat loss occurs due to poor sealing. The two lack a linkage and adaptation mechanism, making it difficult to meet the usage requirements. Summary of the Invention
[0004] The purpose of this application is to provide a green building thermal insulation and ventilation adaptive adjustment device and method, which adjusts the airflow into the phase change driven ventilation channel by causing the shape memory alloy spring to extend and retract and drive the elastic baffle to rotate when the temperature changes in the phase change driven ventilation channel on the phase change thermal insulation wall, thereby achieving a low-consumption and high-efficiency thermal insulation and ventilation adaptive adjustment function.
[0005] This application is implemented as follows: This application provides a green building thermal insulation and ventilation adaptive adjustment device, which includes a phase change thermal insulation wall and a keel frame embedded vertically in the phase change thermal insulation wall. The phase change thermal insulation wall is provided with multiple phase change driven ventilation channels penetrating both sides. Rotatable elastic baffles are connected inside the phase change driven ventilation channels. The elastic baffles are connected to internal nails fixed inside the phase change driven ventilation channels by memory alloy springs. When the temperature inside the phase change driven ventilation channels changes within a preset temperature range, the memory alloy springs extend and retract, causing the elastic baffles to rotate and adjust the airflow entering the phase change driven ventilation channels.
[0006] In some optional implementations, the phase change insulation wall has a groove on the outdoor side, which is connected to multiple main ventilation ducts. Each corresponding phase change driven ventilation channel is connected to a main ventilation duct. One end of the main ventilation duct is connected to a connecting flange through a channel connecting pipe. The connecting flange is connected to a regulating valve. The regulating valve includes a valve body with a valve cavity and a rotating shaft rotatably disposed in the valve body. The valve cavity is connected to the connecting flange, and the rotating shaft is connected to a valve plate. The valve cavity also contains a phase change material block connected to the valve plate. When the temperature in the groove is greater than a first preset temperature or less than a second preset temperature, the phase change material block expands or contracts, pushing the valve plate to rotate around the axis of the rotating shaft in both directions, so that the connecting flange is connected to or isolated from the groove.
[0007] In some alternative implementations, a support is provided inside the main ventilation duct, and a cleaning brush is connected to the support. The bristles of the cleaning brush extend into multiple corresponding phase change driven ventilation channels. One end of the support is connected to a rotating shaft. When the rotating shaft rotates, it drives the support to rotate, causing the bristles of the cleaning brush to clean the phase change driven ventilation channels.
[0008] In some alternative implementations, the two sides of the keel frame are connected to the phase change insulation wall through a moisture barrier and a protective layer, respectively.
[0009] In some alternative implementations, the protective layer is connected to a built-in frame on the side closest to the outside. Multiple rotatable louver shafts are connected to the built-in frame, and each louver shaft is connected to a hydrophilic expansion louver. The hydrophilic expansion louver expands or contracts and rotates around the corresponding louver shaft to adjust the angle when the humidity is greater than a first preset humidity or less than a second preset humidity.
[0010] In some alternative implementations, a rotatable indoor temperature-sensing baffle is hinged to the surface of the moisture barrier, and a shape memory alloy spring is connected between the moisture barrier and the indoor temperature-sensing baffle. The shape memory alloy spring causes the indoor temperature-sensing baffle to rotate away from or towards the moisture barrier as the temperature rises or falls. The surface of the indoor temperature-sensing baffle is covered with a silver coating.
[0011] In some alternative implementations, a phase change insulation wall panel with a phase change energy storage skirting board is fixed to the bottom of the interior side by expansion bolts.
[0012] In some alternative implementations, the gap between the phase change energy storage skirting board and the phase change insulation wall is filled with fireproof cotton.
[0013] In some alternative implementations, lightning protection grounding connectors are pre-embedded at the bottom of the keel frame.
[0014] This application also provides a green building thermal insulation and ventilation adaptive adjustment method, which is carried out using the above-mentioned green building thermal insulation and ventilation adaptive adjustment device, including the following steps: when the temperature inside the phase change driven ventilation duct changes within a preset temperature range, the memory alloy spring extends and retracts to drive the elastic baffle to rotate and adjust the airflow entering the phase change driven ventilation duct.
[0015] The beneficial effects of this application are as follows: The green building thermal insulation and ventilation adaptive adjustment device provided by this application includes a phase change insulation wall and a keel frame embedded vertically within the phase change insulation wall. The phase change insulation wall has multiple phase change driven ventilation channels penetrating both sides. Rotatable elastic baffles are connected within the phase change driven ventilation channels. The elastic baffles are connected to internal nails fixed within the phase change driven ventilation channels via shape memory alloy springs. When the temperature within the phase change driven ventilation channels changes within a preset temperature range, the shape memory alloy springs extend and retract, causing the elastic baffles to rotate and adjust the airflow entering the phase change driven ventilation channels. The green building thermal insulation and ventilation adaptive adjustment device and method provided by this application achieves a low-consumption and high-efficiency thermal insulation and ventilation adaptive adjustment function by causing the shape memory alloy springs to extend and retract, causing the elastic baffles to rotate, and adjusting the airflow entering the phase change driven ventilation channels when the temperature within the phase change driven ventilation channels on the phase change insulation wall changes. Attached Figure Description
[0016] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 A first-view structural schematic diagram of the green building thermal insulation and ventilation adaptive adjustment device provided in the embodiments of this application; Figure 2 A second-view structural schematic diagram of the green building thermal insulation and ventilation adaptive adjustment device provided in the embodiments of this application; Figure 3 A first-view structural schematic diagram of the green building thermal insulation and ventilation adaptive adjustment device provided in the embodiments of this application; Figure 4 A structural schematic diagram of the green building thermal insulation and ventilation adaptive adjustment device provided in the embodiments of this application, taken from a second-view perspective after disassembly. Figure 5 A partial structural schematic diagram of the green building thermal insulation and ventilation adaptive adjustment device provided in the embodiments of this application; Figure 6An exploded structural diagram of a portion of the green building thermal insulation and ventilation adaptive adjustment device provided in the embodiments of this application; Figure 7 A partial cross-sectional view of the adaptive adjustment device for thermal insulation and ventilation in green buildings provided in this application embodiment; Figure 8 A partial structural schematic diagram from another perspective of the green building thermal insulation and ventilation adaptive adjustment device provided in the embodiments of this application; Figure 9 A partial cross-sectional view of the phase change driven ventilation duct of the green building thermal insulation and ventilation adaptive adjustment device provided in the embodiments of this application; Figure 10 This is a cross-sectional view of the regulating valve in the green building thermal insulation and ventilation adaptive regulating device provided in the embodiments of this application.
[0018] In the diagram: 100, Phase change insulation wall; 110, Phase change driven ventilation duct; 111, Elastic baffle; 112, Memory alloy spring; 113, Internal nail; 120, Embedded groove; 130, Main ventilation duct; 140, Duct connection end pipe; 150, Connecting flange; 160, Regulating valve; 161, Valve body; 162, Valve cavity; 163, Rotating shaft; 164, Valve plate; 165, Phase change material block; 170, Support; 180, Cleaning brush; 190, Built-in shelf; 200, Keel frame; 210, Louver shaft; 220, Hydrophilic expansion louver; 230, Moisture-proof layer; 240, Protective layer; 250, Indoor temperature-sensing guide plate; 260, Silver coating; 270, Phase change energy storage skirting board; 280, Lightning protection grounding connector. Detailed Implementation
[0019] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0020] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.
[0021] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0022] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0023] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0024] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0025] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0026] The following detailed description of the features and performance of the green building thermal insulation and ventilation adaptive adjustment device and method of this application, in conjunction with embodiments, provides further insight into their specifics.
[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 As shown, this application embodiment provides a green building thermal insulation and ventilation adaptive adjustment device, which includes a phase change thermal insulation wall 100 and a keel frame 200 embedded vertically in the top surface of the phase change thermal insulation wall 100. The two sides of the keel frame 200 are connected to the phase change thermal insulation wall 100 through a moisture-proof layer 230 and a protective layer 240, respectively. The phase change thermal insulation wall 100 is provided with nine sets of phase change driven ventilation channels 110 arranged at intervals along its height direction. Each set includes phase change driven ventilation channels 110 arranged at intervals along the length direction of the phase change thermal insulation wall 100 and penetrating both sides of it. The moisture-proof layer 230 and the protective layer 240 are... Each phase change driven ventilation channel 110 is provided with a through hole corresponding to the phase change driven ventilation channel 110. Each phase change driven ventilation channel 110 is provided with an elastic baffle 111. The two sides of the elastic baffle 111 are rotatably connected to the inner walls of the two sides of the phase change driven ventilation channel 110 through a rotating shaft. Each elastic baffle 111 is connected to an inner nail 113 fixed in the phase change driven ventilation channel 110 through a memory alloy spring 112. When the temperature in the phase change driven ventilation channel 110 changes within a preset temperature range, the memory alloy spring 112 extends and retracts, causing the elastic baffle 111 to rotate and adjust the airflow rate entering the phase change driven ventilation channel 110.
[0028] The phase change insulation wall 100 has a groove 120 extending along its height on the outdoor side. The groove 120 is connected to nine ventilation main ducts 130 arranged at intervals along the height. The nine ventilation main ducts 130 correspond to nine sets of phase change driven ventilation channels 110. Each set of corresponding phase change driven ventilation channels 110 is connected to its corresponding ventilation main duct 130. One end of each ventilation main duct 130 is connected to a connecting flange 150 located in the groove 120 through a channel connecting end pipe 140. The connecting flange 150 is connected to a regulating valve 160. The regulating valve 160 includes a valve body 161 with a valve cavity 162 inside and a rotating shaft 163 rotatably disposed in the valve body 161. The valve cavity 162 is connected to the connecting flange 150, and the rotating shaft 163 is connected to a valve plate 164. The 62 also contains a phase change material block 165 connected to the valve plate 164. When the temperature inside the groove 120 is greater than 26°C or less than 18°C, the phase change material block 165 expands or contracts, pushing the valve plate 164 to rotate 90 degrees around the axis of the rotating shaft 163, so that the connecting flange 150 is connected to or isolated from the groove 120. Each main ventilation duct 130 is provided with a rotatable bracket 170. The bracket 170 is connected to a cleaning brush 180. The bristles of the cleaning brush 180 extend into the phase change driven ventilation channel 110 connected to each corresponding main ventilation duct 130. One end of the bracket 170 is connected to the rotating shaft 163 inside the regulating valve 160 corresponding to the main ventilation duct 130. When the rotating shaft 163 rotates, it drives the bracket 170 to rotate, so that the bristles of the cleaning brush 180 clean the phase change driven ventilation channel 110.
[0029] The protective layer 240 has an internal frame 190 connected to the outdoor side. Nine rotatable louver shafts 210 are connected to the internal frame 190, spaced apart along the height of the phase change insulation wall 100. Each louver shaft 210 is connected to a hydrophilic expansion louver 220, which covers nine sets of phase change driven ventilation channels 110. When the air humidity is greater than 60% or less than 30%, the hydrophilic expansion louver 220 absorbs water and expands or dries and shrinks, rotating 45 degrees forward and backward around the corresponding louver shaft 210. The surface of the moisture-proof layer 230 is hinged with rotatable... An indoor temperature-sensing guide plate 250 and a moisture-proof layer 230 are connected by a shape memory alloy spring. The shape memory alloy spring causes the indoor temperature-sensing guide plate 250 to rotate away from or towards the moisture-proof layer 230 as the temperature rises or falls. The surface of the indoor temperature-sensing guide plate 250 is covered with a silver coating 260. A phase change energy storage skirting board 270 is fixed to the bottom of the phase change insulation wall 100 on the side closest to the room by expansion bolts. The gap between the phase change energy storage skirting board 270 and the phase change insulation wall 100 is filled with fireproof cotton. A lightning protection grounding connector 280 is pre-embedded at the bottom of the keel frame 200. This application also provides a green building thermal insulation and ventilation adaptive adjustment method, which uses the above-mentioned green building thermal insulation and ventilation adaptive adjustment device and includes the following steps: S1. Adaptive temperature sensing regulation: When the outdoor temperature is above 26℃, the temperature inside the groove 120 is greater than the first preset temperature. The phase change material block 165 in the valve chamber 162 of each regulating valve 160 expands due to heat, pushing the valve plate 164 to rotate 90° around the axis of the rotating shaft 163, connecting the connecting flange 150 and the groove 120, so that the outdoor airflow enters each phase change driven ventilation channel 110 through the groove 120, valve chamber 162, connecting flange 150, channel connecting end pipe 140 and ventilation main pipe 130 and flows into the room; When the outdoor temperature is <18℃, the temperature inside the groove 120 is less than the second preset temperature. The phase change material block 165 in the valve chamber 162 of each regulating valve 160 contracts due to cold, causing the valve plate 164 to rotate 90° in the opposite direction around the axis of the rotating shaft 163, isolating the connecting flange 150 and the groove 120, so that the outdoor airflow stops entering each phase change driven ventilation channel 110 and flows into the room; S2. Humidity linkage control: When the outdoor air humidity is >60%, the hydrophilic expansion louvers 220 absorb water and expand, rotating 45° clockwise around the louver axis 210, so that the distance between two adjacent hydrophilic expansion louvers 220 is reduced to 5mm. When the outdoor air humidity is <30%, the hydrophilic expansion louvers 220 naturally air dry and shrink, rotating 45° counterclockwise around the louver axis 210 to reset, so that the distance between two adjacent hydrophilic expansion louvers 220 is restored to 15mm, thereby adjusting the distance between the hydrophilic expansion louvers 220 covering the surface of each phase change drive ventilation channel 110. S3: Channel self-cleaning; When the outdoor temperature changes and the phase change material block 165 in the valve chamber 162 of each regulating valve 160 is heated or cooled, the valve plate 164 rotates around the axis of the rotating shaft 163, causing the rotating shaft 163 to drive the bracket 170 and the cleaning brush 180 to rotate, so that the bristles of the cleaning brush 180 perform spiral cleaning on the inner wall of the phase change driven ventilation channel 110. S4: Airflow guidance and distribution; The surface of the moisture barrier 230 is connected to an indoor temperature-sensitive airflow guide plate 250 via Velcro. When the room temperature is >28℃, the indoor temperature-sensitive airflow guide plate 250 deforms due to heat, and the angle between it and the moisture barrier 230 and the wall increases to 30°, thereby guiding the hot airflow upward. When the room temperature is <20℃, the indoor temperature-sensitive airflow guide plate 250 shrinks due to cold, and the angle between it and the moisture barrier 230 and the wall decreases to 5°, so as to reduce airflow disturbance.
[0030] The green building thermal insulation and ventilation adaptive adjustment device and method provided in this application improves the structural strength of the phase change thermal insulation wall 100 by vertically embedding a keel frame 200 on the top surface of the phase change thermal insulation wall 100. Simultaneously, a 3mm thick moisture-proof layer 230 is bonded to the phase change thermal insulation wall 100 with waterproof adhesive on the indoor-facing side of the keel frame 200 to block indoor moisture. On the outdoor-facing side of the keel frame 200, an aluminum alloy protective layer 240 is connected to the phase change thermal insulation wall 100 to provide protection against external impact damage. The device has a phase change driven ventilation channel 110 running through both ends. Inside the phase change driven ventilation channel 110, there is a rotatable elastic baffle 111 with an adjustable cross-sectional area and a memory alloy spring 112 connected to the elastic baffle 111. The memory alloy spring 112 is connected to an inner nail 113 fixed inside the phase change driven ventilation channel 110. When the ambient temperature reaches the phase change threshold of the memory alloy, the memory alloy spring 112 deforms and drives the elastic baffle 111 to rotate, dynamically adjusting the ventilation cross-sectional size of the phase change driven ventilation channel 110 to achieve adaptive adjustment of ventilation volume with temperature.
[0031] Meanwhile, the phase change insulation wall 100 has a groove 120 on the side closest to the outside. The phase change insulation wall 100 also has a main ventilation duct 130 connected to each phase change drive ventilation channel 110. The main ventilation duct 130 is connected to the groove 120 via a regulating valve 160. The regulating valve 160 has a rotatable valve plate 164 and a phase change material block 165 connected to the valve plate 164 within its valve chamber 162. When the temperature inside the groove 120 is greater than 26℃ or less than 18℃, the phase change material block 165 expands or contracts, pushing the valve plate 164 to rotate 90 degrees forward and backward around the axis of the rotating shaft 163, thus connecting or isolating the rotating shaft 163 from the groove 120. The system regulates the air temperature entering the phase change driven ventilation duct 110 from the outside. Each main ventilation duct 130 is equipped with a rotatable bracket 170. The bracket 170 is connected to a cleaning brush 180. The bristles of the cleaning brush 180 extend into the phase change driven ventilation duct 110 connected to each corresponding main ventilation duct 130. One end of the bracket 170 is connected to the rotating shaft 163 inside the regulating valve 160 of the main ventilation duct 130. When the rotating shaft 163 rotates, it drives the bracket 170 to rotate, causing the bristles of the cleaning brush 180 to clean the phase change driven ventilation duct 110, thus realizing the automatic cleaning operation of the phase change driven ventilation duct 110.
[0032] In addition, the side of the phase change insulation wall 100 closest to the outside is connected to rotatable hydrophilic expansion louvers 220 via built-in frame plates 190. When the air humidity is greater than 60% or less than 30%, the hydrophilic expansion louvers 220 absorb water and expand or dry and shrink, rotating around the corresponding louver axis 210 at a 45-degree angle to adjust the area of the louvers covering the phase change driven ventilation duct 110, thereby adjusting the degree of connection between the phase change driven ventilation duct 110 and the outside according to the humidity.
[0033] A rotatable indoor temperature-sensing airflow guide plate 250 is hinged to the surface of the moisture-proof layer 230. A shape memory alloy spring is connected between the moisture-proof layer 230 and the indoor temperature-sensing airflow guide plate 250. The shape memory alloy spring causes the indoor temperature-sensing airflow guide plate 250 to rotate away from or towards the moisture-proof layer 230 as the temperature rises or falls. Initially, the indoor temperature-sensing airflow guide plate 250 is arranged at a 15° angle with the moisture-proof layer 230. When the local indoor temperature rises, the shape memory alloy spring expands and pushes the indoor temperature-sensing airflow guide plate 250 to rotate away from the moisture-proof layer 230, increasing the angle and accelerating the diffusion of hot airflow. When the local indoor temperature drops, the shape memory alloy spring contracts and causes the indoor temperature-sensing airflow guide plate 250 to rotate towards the moisture-proof layer 230, decreasing the angle and reducing the direct impact of cold airflow on the human body. The surface of the indoor temperature-sensing airflow guide plate 250 is covered with a silver coating 260, which can reduce the absorption of indoor heat and prevent the airflow regulation from being interfered with by the temperature changes of the indoor temperature-sensing airflow guide plate 250 itself.
[0034] The phase change insulation wall 100 is fixed to the bottom of the indoor side by expansion bolts with a phase change energy storage skirting board 270. The phase change energy storage skirting board 270 can be used to assist in storing and releasing heat to improve the insulation effect. The gap between the phase change energy storage skirting board 270 and the phase change insulation wall 100 is filled with fireproof cotton to improve fire resistance. The bottom of the keel frame 200 is pre-embedded with a lightning protection grounding connector 280 to serve as a lightning protection grounding function.
[0035] The three-dimensional energy storage system formed by the phase change energy storage skirting board 270 and the phase change thermal insulation wall 100 can play a synergistic role. When the outdoor temperature in S1 is >26℃ and the regulating valve 160 is open, the phase change temperature of the composite phase change material inside the phase change thermal insulation wall 100 at 22℃ preferentially absorbs the heat of the outdoor airflow entering the phase change driven ventilation duct 110. The latent heat density is 200kJ / kg. The heat is dispersed by the I-shaped load-bearing keel frame 200 to reduce the temperature of the airflow entering the room. When the indoor temperature in S1 is <18℃ and the regulating valve 160 is closed, the paraffin phase change material in the phase change energy storage skirting board 270 releases heat into the room, forming a heat complementarity with the phase change thermal insulation wall 100.
[0036] The embodiments described above are some, but not all, of the embodiments of this application. The detailed description of the embodiments of this application is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.
Claims
1. A green building thermal insulation and ventilation adaptive adjustment device, characterized in that, It includes a phase change insulation wall and a keel frame embedded vertically within the phase change insulation wall. The phase change insulation wall has multiple phase change driven ventilation channels running through both sides. Rotatable elastic baffles are connected inside the phase change driven ventilation channels. The elastic baffles are connected to internal nails fixed inside the phase change driven ventilation channels via shape memory alloy springs. When the temperature inside the phase change driven ventilation channels changes within a preset temperature range, the shape memory alloy springs extend and retract, causing the elastic baffles to rotate and adjust the airflow entering the phase change driven ventilation channels.
2. The green building thermal insulation and ventilation adaptive adjustment device according to claim 1, characterized in that, The phase change insulation wall has a groove on the outdoor side, which is connected to multiple main ventilation ducts. Each corresponding phase change driven ventilation channel is connected to a main ventilation duct. One end of the main ventilation duct is connected to a connecting flange through a channel connecting pipe. The connecting flange is connected to a regulating valve. The regulating valve includes a valve body with a valve cavity and a rotating shaft rotatably disposed in the valve body. The valve cavity is connected to the connecting flange. The rotating shaft is connected to a valve plate. The valve cavity also contains a phase change material block connected to the valve plate. When the temperature in the groove is greater than a first preset temperature or less than a second preset temperature, the phase change material block expands or contracts, pushing the valve plate to rotate around the axis of the rotating shaft in both directions, so that the connecting flange is connected to or isolated from the groove.
3. The green building thermal insulation and ventilation adaptive adjustment device according to claim 2, characterized in that, The main ventilation duct is equipped with a support, and the support is connected to a cleaning brush. The bristles of the cleaning brush extend into multiple corresponding phase change driven ventilation channels. One end of the support is connected to the rotating shaft. When the rotating shaft rotates, it drives the support to rotate, causing the bristles of the cleaning brush to clean the phase change driven ventilation channels.
4. The green building thermal insulation and ventilation adaptive adjustment device according to claim 2, characterized in that, The two sides of the keel frame are connected to the phase change insulation wall through a moisture-proof layer and a protective layer, respectively.
5. The green building thermal insulation and ventilation adaptive adjustment device according to claim 1, characterized in that, The protective layer is connected to an internal frame on the side closest to the outside. Multiple rotatable louver shafts are connected to the internal frame, and each louver shaft is connected to a hydrophilic expansion louver. The hydrophilic expansion louver expands or contracts to adjust the angle by rotating around the corresponding louver shaft when the humidity is greater than a first preset humidity or less than a second preset humidity.
6. The green building thermal insulation and ventilation adaptive adjustment device according to claim 5, characterized in that, The surface of the moisture-proof layer is connected to a rotatable indoor temperature-sensing guide plate. A shape memory alloy spring is connected between the moisture-proof layer and the indoor temperature-sensing guide plate. The shape memory alloy spring causes the indoor temperature-sensing guide plate to rotate away from or towards the moisture-proof layer as the temperature rises or falls. The surface of the indoor temperature-sensing guide plate is covered with a silver coating.
7. The green building thermal insulation and ventilation adaptive adjustment device according to claim 1, characterized in that, The phase change insulation wall is fixed to the bottom of the side closest to the interior with a phase change energy storage skirting board by expansion bolts.
8. The green building thermal insulation and ventilation adaptive adjustment device according to claim 7, characterized in that, The gap between the phase change energy storage skirting board and the phase change thermal insulation wall is filled with fireproof cotton.
9. The green building thermal insulation and ventilation adaptive adjustment device according to claim 1, characterized in that, The bottom of the keel frame is pre-embedded with a lightning protection grounding connector.
10. A green building thermal insulation and ventilation adaptive adjustment method, characterized in that, It is carried out using the green building thermal insulation and ventilation adaptive adjustment device as described in any one of claims 1 to 9, including the following steps: when the temperature inside the phase change driven ventilation duct changes within a preset temperature range, the memory alloy spring extends and retracts, causing the elastic baffle to rotate and adjust the airflow entering the phase change driven ventilation duct.