CN-122013904-A - Low-energy-consumption building skin structure and method with cooperative evaporative cooling and air interlayer

CN122013904ACN 122013904 ACN122013904 ACN 122013904ACN-122013904-A

Abstract

The invention relates to the technical field of building skins, and provides a low-energy-consumption building skin structure and method with cooperative evaporative cooling and air space. The structure comprises a bearing wall, a porous material plate and an air control frame, wherein the air control frame is connected with the bearing wall, the porous material plate is connected with the bearing wall through a conduction assembly, the air control frame comprises a frame body, an adjusting piece and a driving piece, the adjusting piece is connected with the driving piece, the adjusting piece can be opened or closed relative to the frame body under the driving of the driving piece, and when the adjusting piece is opened relative to the frame body, an air channel is formed between the porous material plate and the bearing wall. According to the invention, the composite structure is formed by the bearing wall, the porous material plate and the wind control frame with the rotatable louver, and the dynamic heat insulation and passive energy conservation of the building skin are realized by utilizing the cooperative mechanism of evaporative cooling and air interlayer ventilation.

Inventors

WANG JUNSONG
Hong Xuanrong
LV XIAOYANG
MENG QINGLIN

Assignees

华南理工大学

Dates

Publication Date: 20260512
Application Date: 20260415

Claims (16)

1. The low-energy-consumption building skin structure with the cooperation of evaporative cooling and an air interlayer is characterized by comprising a bearing wall, a porous material plate and an air control frame, wherein the air control frame is fixedly connected with the bearing wall, the porous material plate is connected with the bearing wall through a conduction assembly, the air control frame comprises a frame body, an adjusting piece and a driving piece, the adjusting piece is connected with the driving piece, the adjusting piece can be opened or closed relative to the frame body under the driving of the driving piece, and an air channel is formed between the porous material plate and the bearing wall when the adjusting piece is opened relative to the frame body.
2. The low energy consumption building skin structure according to claim 1, wherein the porous material plate has capillary holes with water absorption and storage capacity on an outer surface far away from the bearing wall, the capillary holes have a porosity of 10% to 35%, and an average pore diameter of 0.1 to 150 μm.
3. The low energy consumption building skin structure according to claim 2, wherein the porous material plate is one of porous ceramic plate, porous concrete, porous sintered brick, fiber cement plate and water absorbing polymer-based composite plate.
4. A low energy building skin structure according to claim 3 wherein said conductive element comprises a conductive member having one end fixedly connected to a load bearing wall and the other end fixedly connected to a porous sheet of material.
5. The low-energy-consumption building skin structure combining evaporative cooling and air space according to claim 4, wherein the conducting piece comprises a first connecting piece and a second connecting piece, one end of the first connecting piece is fixedly connected with the bearing wall, the other end of the first connecting piece is provided with a first adjusting part, one end of the second connecting piece is fixedly connected with the porous material plate, the other end of the second connecting piece is provided with a second adjusting part, and the first connecting piece and the second connecting piece are connected through the first adjusting part and the second adjusting part so as to adjust the distance between the porous material plate and the bearing wall.
6. The low energy consumption building skin structure according to claim 5, wherein the second connecting piece further comprises a first connecting portion, the second adjusting portion is fixedly connected with the first connecting portion, the first connecting portion is provided with a first fixing section, the porous material plate is provided with a corresponding second fixing section, the second connecting piece is connected with the porous material plate through the first fixing section and the second fixing section, and adjacent porous material plates are connected through the first fixing section.
7. The low energy construction skin structure according to claim 6, wherein the porous material plates are provided with a second fixing section and a third fixing section, and adjacent porous material plates are connected by the second fixing section and the third fixing section.
8. The low energy building skin structure of claim 7, wherein the conditioning element is connected to the load bearing wall or frame by rotatable louvers.
9. The low energy construction skin structure of claim 8, further comprising an insulating layer disposed on a side of the load bearing wall adjacent the porous material sheet.
10. The low energy construction skin structure of claim 9, wherein the insulating layer is provided with a waterproof layer on a side of the porous material plate.
11. The low energy consumption building skin structure according to claim 10, further comprising a water storage assembly comprising a water storage tank and a water supply pipeline, wherein the water storage tank is arranged at the top of the roof or the bearing wall, the water supply pipeline is arranged at the top of the frame body along the length direction so as to cover the porous material plate in the length direction, and the water supply pipeline is provided with a plurality of water outlets facing the porous material plate.
12. The low energy construction skin structure of claim 11, wherein the water supply line is provided with a control valve.
13. The low energy consumption building skin structure according to claim 12, wherein the low energy consumption building skin structure further comprises a controller and an inductor, the inductor comprises an indoor inductor and an outdoor inductor, the indoor inductor, the outdoor inductor and the driving element are all electrically connected with the controller, and the controller can acquire parameters input by the inductor and output control signals to control the opening and closing degree of the adjusting element relative to the frame body.
14. A method for effecting control of a low energy consumption building skin structure in conjunction with an air space in accordance with claim 13, said method comprising: acquiring a first temperature acquired by an outdoor sensor and a second temperature acquired by an indoor sensor, and comparing the first temperature with the second temperature to obtain a first comparison result; Comparing the first temperature with a preset first threshold value to obtain a second comparison result; Judging the current working condition according to the first comparison result and the second comparison result; when the working condition is summer working condition, the controller controls the adjusting pieces at the two ends of the preset channel to be opened relative to the frame body; when the working condition is winter, the controller controls the adjusting pieces at the two ends of the preset channel to be closed relative to the frame body.
15. The method of claim 14, wherein the step of determining the current operating condition based on the first comparison result and the second comparison result comprises: When the first temperature is higher than the second temperature, judging that the current working condition is a summer working condition; when the first temperature is smaller than the second temperature, judging that the current working condition is a winter working condition; When the first temperature is equal to the second temperature and the first temperature is greater than a first threshold value, judging that the current working condition is a summer working condition; and when the first temperature is equal to the second temperature and the first temperature is smaller than a first threshold value, judging that the current working condition is a winter working condition.
16. The method of claim 14, wherein the step of controlling the opening of the adjusting members at both ends of the preset passage with respect to the frame body by the controller when the operating condition is a summer operating condition comprises: judging whether the first temperature is greater than a second threshold; if yes, acquiring humidity data acquired by an outdoor sensor and wind speed data in an air interlayer; Judging whether the current environment meets preset evaporation conditions according to the humidity data and the wind speed data, and determining a target preset channel; If yes, acquiring sensing data of a water level sensor in the water storage tank, and judging whether the sensing data is larger than a preset data value or not; If yes, the control valve is opened, so that water is supplied to the porous material plate corresponding to the target preset channel through a water supply pipeline, and the initial opening and closing parameters are obtained according to the wind speed data and comparison between the preset wind speed and the opening and closing relation curve of the regulating piece; the controller controls the regulating pieces at the two ends of the target preset channel to be regulated to corresponding opening and closing degrees according to the initial opening and closing parameters; After the regulating piece acts, continuously acquiring the real-time wind speed in the target preset channel, and correcting the corresponding opening and closing degree when the real-time wind speed deviates from a preset wind speed range; If the sensing data is smaller than or equal to a preset data value, the controller controls the control valve to be closed, sends an early warning prompt to a terminal, and controls the adjusting pieces at the two ends of the target preset channel to be adjusted to corresponding opening and closing degrees; if the first temperature is smaller than a second threshold value, determining a target preset channel, acquiring wind speed data in an air interlayer, and comparing the wind speed data with a preset wind speed and regulating element opening and closing relation curve to obtain an initial opening and closing parameter; and the controller controls the regulating parts at the two ends of the target preset channel to be regulated to the corresponding opening and closing degrees according to the initial opening and closing parameters, and corrects the corresponding opening and closing degrees when the real-time wind speed deviates from the preset wind speed range.

Description

Low-energy-consumption building skin structure and method with cooperative evaporative cooling and air interlayer Technical Field The invention relates to the technical field of building skins, in particular to a low-energy-consumption building skin structure and method with cooperative evaporative cooling and air space. Background Energy conservation is an important research topic in the technical field of building skins. In the building industry, energy saving means that internal refrigeration and cooling can be realized with lower energy consumption in summer, internal heating and temperature rising can be realized with lower energy consumption in winter, and external heat in summer is reduced to enter a building and heat dissipation in winter building is reduced. In the prior art, energy conservation of a building is mainly realized by adopting a low-energy-consumption building maintenance system, for example, chinese patent application publication No. CN101698997B discloses a box-type double-layer curtain wall cooled by evaporation of a water storage tank, the water storage tank is arranged at the lower end of an air outlet of the box-type double-layer curtain wall, water sources such as rainwater, air conditioner condensed water and the like are collected, the inner-layer epidermis of the curtain wall is sprayed through a gravity spraying pipeline, the temperature of the inner-layer epidermis is reduced by utilizing the evaporation cooling effect of water, indoor heat is reduced, and meanwhile, the grading cyclic utilization of water resources is realized without additional power consumption, and the effects of saving energy and water and improving indoor comfort are achieved. However, in the above technical solution, although the ventilation of the cavity can enhance the evaporation effect, the ventilation volume cannot be adjusted at all, if the ventilation volume is too large, the shower water is not evaporated sufficiently and is taken away by the air flow, and if the ventilation volume is too small, the evaporation efficiency is low, the cooling effect is poor, and the water storage tank and the water storage weight can increase the vertical load of the system, and have an influence on the strength and stability of the curtain wall supporting structure, so that the problem of poor practical application effect is caused, and further improvement is needed. Therefore, the application of the invention provides a low-energy-consumption building skin structure and a method with cooperative evaporative cooling and air interlayer, which aim to solve the problems. Disclosure of Invention In view of the above, the embodiment of the invention provides a low-energy-consumption building skin structure and a method for cooperative evaporative cooling and air space, which are used for solving the technical problems that the ventilation quantity of the existing building skin can not be adjusted and the vertical load of a curtain wall is increased by a water storage structure. According to the embodiment of the invention, the low-energy-consumption building skin structure with the cooperation of evaporative cooling and an air interlayer comprises a bearing wall, a porous material plate and an air control frame, wherein the air control frame is fixedly connected with the bearing wall, the porous material plate is connected with the bearing wall through a conduction assembly, the air control frame comprises a frame body, an adjusting piece and a driving piece, the adjusting piece is connected with the driving piece, the adjusting piece can be opened or closed relative to the frame body under the driving of the driving piece, and an air channel is formed between the porous material plate and the bearing wall when the adjusting piece is opened relative to the frame body. Preferably, an outer surface of the porous material plate far away from the bearing wall is provided with capillary holes with water absorption and storage capacity, the porosity of the capillary holes is 10-35%, and the average pore diameter is 0.1-150 microns. Preferably, the porous material plate is one of a porous ceramic plate, porous concrete, porous sintered bricks, fiber cement plates and a water-absorbing polymer-based composite plate. Preferably, the conductive component comprises a conductive member, one end of the conductive member is fixedly connected with the bearing wall, and the other end of the conductive member is fixedly connected with the porous material plate. The conducting piece comprises a first connecting piece and a second connecting piece, one end of the first connecting piece is fixedly connected with the bearing wall, a first adjusting part is arranged at the other end of the first connecting piece, one end of the second connecting piece is fixedly connected with the porous material plate, a second adjusting part is arranged at the other end of the second connecting piece, and the first connecting piece and the second con