CN219061062U - A passive shading system for museum buildings in cold regions - Google Patents

Abstract

The utility model belongs to the technical field of civil engineering, and relates to a passive sunshade system for museum buildings in cold regions, which comprises: the top surface, the south elevation, the north elevation, the east elevation and the west elevation, wherein the south elevation faces the south direction; the passive sunshade of south facade adopts the solid wall, the passive sunshade of top surface adopts the sun-shading shutter, the passive sunshade of east facade, west facade adopts the solid wall and the window hole adopts the self-sunshade window hole; according to the climate environment of the area where the building is located, a passive building sunshade system is adopted to configure sunshade modes and window hole modes of different vertical faces and roofs of the building, so that the energy consumption of the building is reduced; the utility model reduces the requirements of building heating and air conditioning through the sunshade system of the building, realizes the great reduction of building energy consumption and improves the energy saving rate of the building body.

Description

A passive shading system for museum buildings in cold regions

technical field

The utility model belongs to the technical field of civil engineering and relates to a passive sunshade system for museum buildings in cold regions.

Background technique

With the acceleration of urbanization and the improvement of the quality of life, the energy consumption of the construction industry will continue to grow and reach about 34%, and the energy consumption of the construction industry will also become the industry with the largest energy consumption. Today's museum buildings are high-energy building types. In severe cold and cold regions, in order to meet the needs of museum-related functional buildings, active technical means are often used. By using more equipment, a lot of energy is consumed to meet the lighting and temperature requirements inside the building. In addition, due to the blind pursuit of exquisite architectural appearance, the facade of the building ignores energy consumption in the way of shading and the design of window openings, and ignores the requirements for environmental protection and energy saving. Therefore, existing buildings often emphasize active shading and ignore Passive sunshade has high energy consumption.

The research and construction of zero-energy energy-saving technology for passive public buildings should not simply stay at the stage of air conditioners and other equipment, but should start from the source of architectural design, combining building sunshade design with architectural shape, passive zero-energy, and combining the climate environment of the area where the building is located , the functional arrangement of the building, the external shape of the building, and the shading of adjacent buildings and plants. Therefore, there is a need for a passive shading system for museum buildings in cold regions to solve the above problems.

Utility model content

The technical solution adopted by the utility model to solve the technical problems is: a passive sunshade system for museum buildings in cold regions, including: top surface, south facade, north facade, east facade, west facade, the south facade Facing the south direction; the passive shading of the south facade adopts solid walls, the passive shading of the top surface adopts sunshade louvers, the passive shading of the east and west facades adopts solid walls and the window openings are self-shading window openings; the external windows of the museum building are made of heat-insulating aluminum Alloy windows are added with insulating glass; the south facade is shaded with a solid wall to reduce the sunlight on the south side, and the use of a solid wall can reduce the solar radiation received by the south facade; the roof skylight is shaded with sunshade louvers to reduce the summer air-conditioning load increase caused by solar radiation and Indoor thermal discomfort is improved; the east and west facades are shaded by solid walls to reduce daylighting on both sides, and the form of window openings is self-shading to reduce solar radiation on the east and west sides. The south facade adopts solid walls and building self-shading. It meets the lighting requirements of the exhibition hall space on the south side, and reduces the solar radiation received by the south facade.

Preferably, an adjustable sunshade device is provided on the exterior window, the adjustable sunshade device can reduce the solar radiation from the exterior window again, the passive adjustable sunshade device of the building facade and the roof, and the glass selection of the exterior window and roof skylight , the final summer comprehensive solar heat gain coefficient of windows and curtain walls ≤ 0.30.

More preferably, the adjustable sunshade device includes: electrochromic glass system, intelligent sunshade with built-in louvers in hollow windows, movable roller blinds, movable venetian blinds, and aluminum alloy wing sunshades.

More preferably, the area of the adjustable sunshade device occupies a ratio Sz of 55% or more of the transparent part of the outer window, and the mechanical durability of the adjustable sunshade device reaches the highest level required by the corresponding product standards.

Preferably, the window-to-wall ratios of the south facade, north facade, west facade and east facade are 0.10-0.20, all less than 0.7.

More preferably, the window-to-wall ratios of the south facade, north facade, west facade, and east facade are 0.14, 0.20, 0.17, and 0.16, respectively.

The beneficial effects of the utility model are:

According to the climatic environment of the area where the building is located, the utility model adopts a passive building sun-shading system, and reduces the energy consumption of the building through the configuration of different facades and roof sun-shading methods and window opening forms of the building; In order to realize the substantial reduction of building energy consumption and improve the energy saving rate of the building itself.

Description of drawings

Figure 1 is a schematic diagram of the south facade shading of a passive shading system for a museum building in a cold region;

Figure 2 is a schematic diagram of sunshade on the east and west facades;

Figure 3 is a comparison diagram of the average radiation simulation of roof glass in summer;

Figure 4 is a comparison diagram of the average radiation simulation of the glass on the south facade in summer;

Figure 5 is a comparison diagram of the average radiation simulation of the glass on the north facade in summer;

Figure 6 is a comparison diagram of the average radiation simulation of the west facade glass in summer;

Figure 7 is a comparison diagram of the average radiation simulation of the east facade glass in summer;

Figure 8 is a comparison diagram of the average radiation simulation of roof glass in winter;

Figure 9 is a comparison diagram of the average radiation simulation of the south facade glass in winter;

Figure 10 is a comparison diagram of the average radiation simulation of the glass on the north facade in winter;

Figure 11 is a comparison diagram of the average radiation simulation of the west facade glass in winter;

Figure 12 is a comparison diagram of the average radiation simulation of the east facade glass in winter;

Figure 13 is a summary table of building sunshade data.

Detailed ways

The related technologies in the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Referring to Figures 1 to 13, a passive shading system for a museum building in a cold region, including: a top surface, a south facade, a north facade, an east facade, and a west facade, the south facade is oriented to the south; Solid walls are used for surface passive shading, sunshade louvers are used for passive shading on the top surface, solid walls are used for passive shading on the east and west facades and window openings are self-shading window openings; the external windows of the museum building are made of heat-insulating aluminum alloy windows and insulating glass; The sunshade of the façade uses a solid wall to reduce daylighting on the south side, and the use of a solid wall can reduce the solar radiation received by the south facade; sunshade louvers are used for the sunshade of the roof skylight to reduce the increase of air-conditioning load and indoor thermal discomfort caused by solar radiation in summer; Solid walls are used for shading on the facade and west facade to reduce daylighting on both sides, and the form of window openings adopts self-shading form to reduce solar radiation on the east and west sides. The south facade adopts solid walls and building self-shading, which is in line with the lighting of the room and exhibition hall on the south side Requirements, reduce the solar radiation received by the south facade.

Further, the exterior windows are provided with adjustable sunshade devices, which can again reduce solar radiation from the exterior windows, passive adjustable sunshade devices for building facades and roofs, and glass options for exterior windows and roof skylights , the final summer comprehensive solar heat gain coefficient of windows and curtain walls ≤ 0.30.

Furthermore, the adjustable sunshade device includes: electrochromic glass system, intelligent sunshade with built-in blinds in hollow windows, movable roller blinds, movable venetian blinds, and aluminum alloy wing sunshades.

Further, the area of the adjustable sunshade device accounts for Sz≥55% of the transparent part of the outer window, and the mechanical durability of the adjustable sunshade device reaches the highest level required by the corresponding product standards.

Further, the window-to-wall ratios of the south, north, west and east facades are 0.10-0.20, all less than 0.7.

Furthermore, the window-to-wall ratios of the south facade, north facade, west facade, and east facade are 0.14, 0.20, 0.17, and 0.16, respectively.

Example

This embodiment is a building of the Great Wall Culture Museum in a city in northern my country. The outline is a square shape, with the most basic square as the motif, the pursuit of simplicity, the pattern of the city platform, and the clumsy shape echoing and integrating into the Great Wall system.

According to the year-round climate characteristics of the project location, based on the parametric simulation software Ladybug under the Rhino modeling software, the solar radiation heat gain of the building is analyzed from the perspective of solar radiation. The purpose of shading is that the comprehensive solar heat gain coefficient in summer is ≤0.30.

Sunshade on the south facade: use a solid wall to reduce sunlight on the south side. Because the room on the south side is an exhibition hall and does not require natural lighting, the use of solid walls can reduce the solar radiation received by the south facade. Roof skylight shading: The use of sunshade louvers can reduce the increase in air-conditioning load and indoor thermal discomfort caused by solar radiation in summer, as shown in Figure 1.

Sun shading on east and west facades: solid walls are used to reduce daylighting on both sides, and window openings are self-shading to reduce solar radiation. According to the shading calculation and solar radiation simulation analysis of each orientation in the original technical scheme, it is found that the shading effect of each orientation is obvious. On the basis of the self-shading of the external windows of the building, the adjustable shading is supplemented to improve the thermal environment of the room and reduce the cooling load of the building; as shown in Figure 2.

Use the software Ladybug to simulate the average radiation of the roof glass of the design building and the reference building, and judge the average radiation rate reduced by the sunshade method.

Simulation time: 6.01-9.30 in summer; simulation location: roof, south facade, north facade, west facade, east facade; respectively as shown in Figure 3, 4, 5, 6, and 7; simulation time: winter heating period 11.15-3.15; simulated locations: roof, south elevation, north elevation, west elevation, east elevation; as shown in Figures 8, 9, 10, 11, and 12 respectively. The summary table of building shading data is shown in Figure 13.

From the comparative data in this example, it can be seen that the passive shading system of museum buildings in cold regions can reduce the energy consumption of buildings through the configuration of shading methods and window openings on different facades and roofs of buildings.

This embodiment is a passive shading system for a museum project in a scenic spot in severe cold and cold regions, and the passive energy-saving measures of the embodiment are based on this. If this embodiment system is the basis, the scheme of this embodiment can thus be developed into zero-energy design strategies for different types of public buildings (such as museums, office buildings, etc.) in severe cold and cold regions; The choice of the form of windows and openings can greatly reduce building energy consumption and improve the energy saving rate of the building itself.

To sum up, the utility model provides a passive shading system for museum buildings in cold regions. According to the climate environment in the area where the building is located, the passive building shading system is adopted. configuration to reduce building energy consumption; the building's shading system reduces the demand for building heating and air conditioning, and realizes a substantial reduction in building energy consumption. Therefore, the utility model has broad application prospects.

It should be emphasized that: the above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model in any form. Any simple modification, equivalent change and Modifications still belong to the scope of the technical solution of the utility model.

Claims (4)

1. A passive sunshade system for a museum building in a cold region, characterized in that it comprises: a top surface, a south facade, a north facade, an east facade, and a west facade, and the south facade faces the south direction; The passive sunshade of the south facade adopts a solid wall, the passive sunshade of the top surface adopts sunshade louvers, the passive sunshade of the east facade and the west facade adopts a solid wall and the window openings adopt self-shading window openings; The exterior windows of the museum building are made of heat-insulating aluminum alloy windows and insulating glass; An adjustable sunshade device is provided on the outer window; The adjustable sunshade device includes: electrochromic glass system, intelligent sunshade with built-in louvers for hollow windows, movable roller blind sunshade, movable venetian blind sunshade, and aluminum alloy wing sunshade. 2 . The passive sunshade system for museum buildings in cold regions according to claim 1 , wherein the ratio of the area of the adjustable sunshade device to the transparent part of the outer window is Sz≥55%. 3 . The passive shading system for museum buildings in cold regions according to claim 1 , wherein the window-to-wall ratios of the south, north, west and east facades are 0.10-0.20. 4. The passive sunshade system of a museum building in a cold region according to claim 3, wherein the window-to-wall ratios of the south facade, the north facade, the west facade, and the east facade are respectively 0.14, 0.20, 0.17, 0.16.

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