CN116771245A - Phase change building facade system with adjustable window wall area ratio - Google Patents
Phase change building facade system with adjustable window wall area ratio Download PDFInfo
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- CN116771245A CN116771245A CN202310901118.0A CN202310901118A CN116771245A CN 116771245 A CN116771245 A CN 116771245A CN 202310901118 A CN202310901118 A CN 202310901118A CN 116771245 A CN116771245 A CN 116771245A
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Abstract
一种窗墙面积比可调的相变建筑立面系统，它包含窗框架、高透光玻璃、Low‑e膜层和相变墙体；窗框架内设置有朝向室内和朝向室外的卡槽，高透光玻璃封装在卡槽中；窗框架内设置有用于支撑相变墙体并作为相变墙体滑动的导轨，导轨布置在两种卡槽之间，室内侧的高透光玻璃的内表面涂有Low‑e膜层，相变墙体的朝向室内的表面涂有太阳能全光谱集热层，相变墙体分别与室内侧的高透光玻璃和室外侧的高透光玻璃之间具有透气间隙。本发明窗墙体整合为一个整体，通过推拉式结构设计实现了窗墙体面积比可调，实现太阳得热的按需调控。
A phase-change building facade system with an adjustable window-to-wall area ratio. It includes a window frame, high-transmittance glass, Low-e film layer and phase-change wall; the window frame is provided with slots facing indoors and outdoors. , the high transmittance glass is encapsulated in the card slot; the window frame is provided with guide rails for supporting the phase change wall and sliding as the phase change wall. The guide rail is arranged between the two card slots. The high transmittance glass on the indoor side is The inner surface is coated with Low‑e film, and the indoor surface of the phase change wall is coated with a solar full-spectrum heat collecting layer. The phase change wall is connected to the high transmittance glass on the indoor side and the high transmittance glass on the outdoor side respectively. Has breathable gaps. The window wall of the present invention is integrated into a whole, and the window-wall area ratio is adjustable through the push-pull structural design, thereby achieving on-demand regulation of solar heat gain.
Description
Technical Field
The application relates to a building energy-saving technology for efficiently utilizing solar energy, in particular to a phase-change building elevation system with an adjustable window wall area ratio.
Background
The window is used as a transparent structure of a building, and has great influence on the cold and hot loads of the building when meeting the lighting requirement of the building. The overall heat transfer coefficient of the window is generally higher than 1.0W/m 2 While the total heat transfer coefficient of the building wall can be lower than 0.5W/m 2 . On the other hand, the solar energy introduced into the room through the window is mainly concentrated in the wavelength range of 300-3000nm, and can exceed 500W/m 2 。
The related window dynamic adjustment technology comprises a series of intelligent window technologies with adjustable optical properties, mainly comprises the defects of low visible light transmittance, poor solar radiation capability, high haze, complex structure, high production cost and the like of dynamic color development glass such as thermochromic, electrochromic, photochromic and the like, is difficult to apply on a large scale, and the phase change material technology is also widely applied to energy-saving window products, however, the window based on the phase change material cannot meet the independent adjustment and control requirements of the window optical sunshade properties.
Disclosure of Invention
The application provides a phase-change building elevation system with an adjustable window wall area ratio, which aims to overcome the prior art. The phase-change wall body and the double-layer window technology are combined, the position of the phase-change wall body is regulated and controlled in real time by utilizing the push-pull type structural design, intelligent and adjustable window wall area ratio is further realized, and the cold and heat energy consumption in the building operation process can be reduced.
The phase change building elevation system with the adjustable window wall area ratio comprises a window frame, high-light-transmittance glass, a Low-e film layer and a phase change wall body;
the window frame is internally provided with clamping grooves facing indoors and outdoors, and the high-transmittance glass is packaged in the clamping grooves;
the window frame is internally provided with a guide rail for supporting the phase-change wall body and sliding as the phase-change wall body, the guide rail is arranged between the two clamping grooves, the inner surface of the indoor high-light-transmittance glass is coated with a Low-e film layer, the indoor surface of the phase-change wall body is coated with a solar full-spectrum heat collection layer, and ventilation gaps are formed between the phase-change wall body and the indoor high-light-transmittance glass and between the phase-change wall body and the outdoor high-light-transmittance glass respectively.
Further, two phase-change walls which can be pushed and pulled in opposite directions are arranged on the guide rail.
Further, the phase-change wall body comprises a phase-change material and a transparent shell, wherein the transparent shell is a frame-type shell, and the transparent shell is internally coated and packaged with the phase-change material.
Further, the Low-e film layer 6 is single silver Low-e and is realized by vacuum magnetron sputtering coating.
Compared with the prior art, the application has the beneficial effects that:
the application integrates the window wall body into a whole, and realizes the adjustable window wall area ratio through the push-pull structural design;
the building facade minimum window wall area ratio of the application is 0, the indoor and outdoor solar radiation can be isolated to directly transfer heat, and the on-demand regulation and control of solar heat can be realized through the combination design of the phase change material and the Low-e film layer.
When the area ratio of the wall body of the building vertical window is maximum, the building vertical window can efficiently transmit full-spectrum sunlight.
The application can realize the self-adaptive adjustment of the building enclosure under different seasons and different climates, which is beneficial to improving the natural lighting efficiency of the building and reducing the cold and heat energy consumption of the building.
The technical scheme of the application is further described below with reference to the accompanying drawings and examples:
drawings
FIG. 1 is an overall view of a window wall integrated dynamic phase change building facade system of the present application;
FIG. 2 is a cross-sectional view of the present application;
FIG. 3 is a state diagram of a phase change wall fully pushed out of a glass interlayer;
fig. 4 is a state diagram of the phase change wall fully advanced into the glass interlayer.
Detailed Description
Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings. Unless otherwise defined, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.
Referring to fig. 1 and 2, a phase change building facade system with an adjustable window wall area ratio comprises a window frame 1, high light transmission glass 5, a Low-e film layer 6 and a phase change wall body;
a clamping groove 2 facing indoors and outdoors is arranged in the window frame 1, and high light-transmitting glass 5 is encapsulated in the clamping groove 2;
the window frame 1 is internally provided with a guide rail 9 for supporting a phase-change wall body and sliding as the phase-change wall body, the guide rail 9 is arranged between the two clamping grooves 2, the inner surface of the indoor high-light-transmission glass 5 is coated with a Low-e film layer 6, the indoor surface of the phase-change wall body is coated with a solar full-spectrum heat collection layer 8, and a ventilation gap 3 is formed between the phase-change wall body and the indoor high-light-transmission glass 5 and between the phase-change wall body and the outdoor high-light-transmission glass 5 respectively.
According to the embodiment, the area ratio of the wall body of the building window can be freely adjusted according to the requirements of the residents of the building. Through the design of the push-pull phase-change wall body, the flexible regulation and control of the area ratio of the window wall body from 0 to x can be realized. When the phase-change wall body is completely pushed into the window frame, the area ratio of the window wall body is 0, and the phase-change wall body collects and stores surplus solar radiation to obtain heat for different times of a building; when the phase-change wall body is completely pushed away from the inside of the frame, the area ratio of the window wall of the building facade is increased, and the lighting of the building and the heat gain of solar radiation are facilitated. According to the application, the area ratio of the window wall of the building is regulated and controlled as required, so that the solar energy is utilized as required.
A frame: for alloy frames, for example: the alloy frame can be made of aluminum alloy, and a clamping groove 2 and a guide rail 9 of glass are arranged in the alloy frame. The guide rail 9 is embedded with a slidable pulley, and the phase-change wall body can roll on the pulley to realize reciprocating push-pull. The clamping groove 2 is used for placing glass, and the guide rail 9 is used for placing a phase change wall body.
Optionally, two phase-change walls which can be pushed and pulled in opposite directions are arranged on the guide rail 9. The dynamic regulation and control of the area ratio of the building vertical window wall body can be realized through pushing and pulling the phase-change wall body.
The phase-change wall body comprises a phase-change material 7 and a transparent shell, wherein the transparent shell is a frame-type shell, and the transparent shell is internally coated and packaged with the phase-change material 7. For example: the transparent shell is PMMA (polymethyl methacrylate) plate. The phase change material 7 is solid paraffin.
High light transmission glass 5: the high light transmission glass has two layers, is common white glass, has high light transmission characteristic to full spectrum solar energy, and the interval between the two layers of glass is more than 25cm.
The push-pull movable guide rail 9 is positioned between the two clamping grooves 2 and is used for reciprocating push-pull of the phase-change wall body. The thickness of a typical phase change wall is 24cm.
Low-e film layer 6: for example, the low-e film layer is single silver low-e and is realized by vacuum magnetron sputtering coating.
Solar full spectrum heat collection layer 8: the spectrum absorption material of the solar full-spectrum heat collection layer is plasmon nano particles, and the total-spectrum heat collection layer is mainly prepared from cesium tungsten bronze nano particles and copper nano particles according to the proportion of 1: mixing at a mass ratio of 0.5, and mixing with aqueous resin. Wherein the mass of the water-based resin accounts for more than 99 percent of the total mass of the cesium tungsten bronze nano particles, the copper nano particles and the water-based resin.
The solar full-spectrum heat collection layer 8 is black, has the thickness of not more than 500 mu m, and has obvious absorption effect on the visible light wave band and the near infrared wave band of the solar spectrum.
Phase change material 7: the phase change material is paraffin, and is closely attached to the solar full-spectrum heat collection layer.
Based on any of the above embodiments:
the integrated heat insulation and lighting of the existing energy-saving window/wall can effectively reduce the cold and hot loads of the building, and has great significance on environmental protection and energy conservation. The window wall integrated dynamic phase change building elevation system is suitable for ecological civilization construction in China, realizes ordered utilization of sunlight spectrum through multi-effect regulation and control of building heat preservation/sun shading/heat obtaining, and has good economic benefit and wide application prospect.
The present application has been described in terms of preferred embodiments, but is not limited to the application, and any equivalent embodiments can be made by those skilled in the art without departing from the scope of the application, as long as the equivalent embodiments are possible using the above-described structures and technical matters.
Claims (10)
1. The utility model provides a phase transition building facade system that window wall area ratio is adjustable which characterized in that: comprises a window frame (1), high light transmission glass (5), a Low-e film layer (6) and a phase change wall body;
the window frame (1) is internally provided with clamping grooves (2) facing indoors and outdoors, and the high-light-transmittance glass (5) is packaged in the clamping grooves (2); be provided with in window frame (1) and be used for supporting the phase transition wall body and as the gliding guide rail (9) of phase transition wall body, guide rail (9) are arranged between two kinds of draw-in grooves (2), and the interior surface of indoor side high light transmission glass (5) is scribbled Low-e rete (6), and the indoor surface of orientation of phase transition wall body is scribbled solar energy full spectrum heat collection layer (8), has ventilation gap (3) between phase transition wall body and indoor side high light transmission glass (5) and outdoor side high light transmission glass (5) respectively.
2. The phase change building facade system with adjustable window wall area ratio according to claim 1, wherein: two phase-change walls which can be pushed and pulled in opposite directions are arranged on the guide rail (9).
3. The phase change building facade system with adjustable window wall area ratio according to claim 1, wherein: the phase-change wall body comprises a phase-change material (7) and a transparent shell, wherein the transparent shell is a frame-type shell, and the transparent shell is internally coated and packaged with the phase-change material (7).
4. A phase change building facade system with adjustable window wall area ratio as claimed in claim 3, characterized in that: a solar full-spectrum heat collection layer (8) is coated between the phase change material and the inner surface of the transparent shell facing the indoor side.
5. The phase change building facade system with adjustable window wall area ratio according to claim 1, wherein: the solar full-spectrum heat collection layer (8) is mainly prepared from cesium tungsten bronze nano particles and copper nano particles according to the following ratio of 1: mixing at a mass ratio of 0.5, and mixing with aqueous resin.
6. The phase change building facade system with adjustable window wall area ratio according to claim 1, wherein: the thickness of the solar full-spectrum heat collection layer (8) is less than 500 micrometers.
7. The phase change building facade system with adjustable window wall area ratio according to claim 1, wherein: the window frame (1) is an alloy frame.
8. The phase change building facade system with adjustable window wall area ratio according to claim 1, wherein: the Low-e film layer (6) is single silver Low-e.
9. A phase change building facade system with adjustable window wall area ratio as claimed in claim 3, characterized in that: the phase change material (7) is solid paraffin.
10. A phase change building facade system with adjustable window wall area ratio as claimed in claim 3, characterized in that: the transparent shell is PMMA plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310901118.0A CN116771245B (en) | 2023-07-21 | 2023-07-21 | A phase change building facade system with adjustable window-to-wall area ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310901118.0A CN116771245B (en) | 2023-07-21 | 2023-07-21 | A phase change building facade system with adjustable window-to-wall area ratio |
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| Publication Number | Publication Date |
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| CN116771245A true CN116771245A (en) | 2023-09-19 |
| CN116771245B CN116771245B (en) | 2025-11-04 |
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| CN202310901118.0A Active CN116771245B (en) | 2023-07-21 | 2023-07-21 | A phase change building facade system with adjustable window-to-wall area ratio |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1098376A (en) * | 1979-09-17 | 1981-03-31 | Bernard A. Melanson | Insulated shuttered window |
| US20050061312A1 (en) * | 2003-07-22 | 2005-03-24 | Kazimierz Szymocha | Wall integrated thermal solar collector with heat storage capacity |
| FR2970768A1 (en) * | 2011-01-24 | 2012-07-27 | Insula France | THERMAL ENERGY STORAGE DEVICE FOR GLASS SURFACE VOLUME AND CONSTRUCTION EQUIPPED WITH SUCH A DEVICE |
| KR101737538B1 (en) * | 2016-07-08 | 2017-05-19 | 주식회사 토펙엔지니어링 건축사사무소 | Soundproof and insulation windows of the apartment house |
| US20200408471A1 (en) * | 2017-06-13 | 2020-12-31 | South China University Of Technology | Phase-change energy-storage structure for building insulation |
-
2023
- 2023-07-21 CN CN202310901118.0A patent/CN116771245B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1098376A (en) * | 1979-09-17 | 1981-03-31 | Bernard A. Melanson | Insulated shuttered window |
| US20050061312A1 (en) * | 2003-07-22 | 2005-03-24 | Kazimierz Szymocha | Wall integrated thermal solar collector with heat storage capacity |
| FR2970768A1 (en) * | 2011-01-24 | 2012-07-27 | Insula France | THERMAL ENERGY STORAGE DEVICE FOR GLASS SURFACE VOLUME AND CONSTRUCTION EQUIPPED WITH SUCH A DEVICE |
| KR101737538B1 (en) * | 2016-07-08 | 2017-05-19 | 주식회사 토펙엔지니어링 건축사사무소 | Soundproof and insulation windows of the apartment house |
| US20200408471A1 (en) * | 2017-06-13 | 2020-12-31 | South China University Of Technology | Phase-change energy-storage structure for building insulation |
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| Publication number | Publication date |
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| CN116771245B (en) | 2025-11-04 |
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