Building enclosure structure with adjustable window-wall ratio

By designing a building maintenance structure with adjustable window wall ratios, and using a mechanical system composed of guide columns, sleeves and mobile units, the contradiction between energy saving and comfort caused by the fixed window wall ratios is solved, and a low heat transfer coefficient and significant energy saving effect are achieved.

CN223048655UActive Publication Date: 2025-07-01TONGJI UNIV
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Patent Information

Application Number
CN202421681114.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-07-01
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

The window wall ratio in existing buildings is fixed, which makes it difficult to reconcile the contradiction between energy saving and the comfort of the residents, and the window energy consumption is high and cannot be adjusted dynamically.

Method used

A building maintenance structure with adjustable window-wall ratio is designed, and dynamic adjustment of window-wall ratio is achieved through a mechanical system composed of guide columns, sleeves, guide rails and mobile units, and window opening and closing is optimized in combination with automatic control system.

Benefits of technology

The minimum heat transfer coefficient of the building envelope structure is reduced to 0.5W/m2·k, reducing the building cooling load by about 50%, and improving living comfort and energy-saving effects.

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Abstract

The utility model provides a building maintenance structure with an adjustable window-wall ratio, which comprises a protective cover mounted on an indoor wall body; the first guide column and the third guide column are used for sliding of the corresponding window plates. The first guide column is sleeved with a first sleeve, a hinge mechanism is hinged between the first sleeve and the output end of the moving unit, and the first sleeve is connected with the middle window plate; bulges are arranged on one side, close to the window frame structure, of the middle window plate; the third guide column is sleeved with a third sleeve, and the third sleeve is connected with an outer side window plate through a plate frame; a groove matched with the protrusion is formed in the side, away from the window frame structure, of the outer side window plate. The guide rail is in a curve shape and is in sliding connection with the bearing sliding block, and the bearing sliding block is fixed to the outer wall of the first sleeve; the second guide column is used for the first guide column to slide. The window-wall ratio can be dynamically adjusted.
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Description

Technical Field

[0001] The utility model belongs to the technical field of building energy conservation and carbon reduction, and particularly designs a building maintenance structure with an adjustable window-wall ratio. Background Technique

[0002] The Global Alliance for Building and Construction (GlobalABC) released the "Global Status Report on Building and Construction 2021"

[0003] It is pointed out that in 2020, the construction industry accounted for 36% of the global final energy consumption and 37% of the energy-related carbon dioxide emissions. And the heating and cooling energy consumption in buildings accounted for 67%. In the context of global warming, the energy and carbon emission problems brought by the building air-conditioning energy consumption will bring increasing pressure for China to achieve the goals of carbon peak before 2030 and carbon neutrality before 2060.

[0004] The envelope structure is an important part of a building, and its performance has an important impact on building energy consumption and carbon emissions. Existing research shows that by optimizing the performance of the building envelope structure, 20% - 50% of the building energy consumption can be reduced. And the window is the part with the worst heat insulation performance. The energy consumption caused by the window is about 4 times that of the wall, accounting for about 45% of the external wall energy consumption. From the perspective of energy conservation, reducing the building window-wall ratio can reduce building energy consumption; from the consideration of the comfort of the occupants, the optimal window-wall ratio should be 40% to 50%. However, once the building is completed, the window-wall ratio will not be able to be changed. Summary of the Invention

[0005] The purpose of the utility model is to provide a building maintenance structure with an adjustable window-wall ratio and a window-wall ratio adjustment method, which can dynamically adjust the window-wall ratio. To achieve the above purpose, the technical scheme adopted is:

[0006] A building maintenance structure with an adjustable window-wall ratio, comprising:

[0007] A protective cover 2, installed on the indoor wall;

[0008] A first guide post 1 and a third guide post 17, used for sliding the corresponding window panels; the first guide post 1 and the third guide post 17 both extend along the X direction, and both ends thereof are fixed to the protective cover 2; the third guide post 17 is arranged close to the window frame structure;

[0009] For the first guide post 1, a first sleeve 12 is sleeved thereon. A hinge mechanism 10 is hinged between the first sleeve 12 and the output end of the moving unit. The moving unit is arranged in the protective cover 2; the first sleeve 12 is connected to the middle window panel; a protrusion is arranged on one side of the middle window panel close to the window frame structure;

[0010] The third guide post 17 has a third sleeve 14 sleeved thereon. The third sleeve 14 is connected to the outer window panel 5 through a plate frame 6. A groove for cooperating with the protrusion is provided on the side of the outer window panel 5 away from the window frame structure.

[0011] The guide rail 7 is curved to allow the middle window panel to cover the outer window panel 5 after moving a set distance along the Y direction, and to allow the middle window panel to separate from the outer window panel 5 after the middle window panel and the outer window panel 5 move synchronously along the Y direction by a set distance. It is fixed to the housing 2 and is slidably connected to the bearing slider 16. The bearing slider 16 is fixed to the outer wall of the first sleeve 12.

[0012] The second guide post 3 is used for the first guide post 1 to slide thereon. It extends along the Y direction and its two ends are fixed to the protective cover 2. A second sleeve 13 is sleeved thereon. The second sleeve 13 is connected to the first guide post 1 through a connecting member 11.

[0013] Preferably, the guide rail 7 includes:

[0014] A middle guide rail 71 and an outer guide rail 72, which are interconnected. Both are curved and symmetrically arranged, and both protrude outward away from the window frame structure. The middle guide rail 71 is arranged close to the middle window panel.

[0015] A middle protrusion 73 is formed at the junction of the middle guide rail 71 and the outer guide rail 72 and extends along the Y direction.

[0016] A middle swing opening 74 is arranged opposite to the middle protrusion 73 along the Y direction, and its open end faces the window frame structure.

[0017] Preferably, when the bearing slider 16 is at the other end of the middle guide rail 71, a fully closed gear is formed, and the middle window panel is laid flat on the inner side of the outer window panel 5.

[0018] When the bearing slider 16 is at the middle swing opening, the semi-open gear is formed and the moving unit stops moving.

[0019] When the bearing slider 16 is at the other end of the outer guide rail 72, a fully open gear is formed, and the middle window panel covers and is clamped to the outer window panel 5.

[0020] Preferably, the moving unit includes:

[0021] A stepping motor 8, which is fixed to the protective cover 2.

[0022] A ball screw pair 9, whose screw is connected to the output shaft of the stepping motor 8, and whose nut forms the output end of the moving unit.

[0023] Preferably, the number of the moving units is 2, which are symmetrically arranged on the protective cover 2, and the moving directions of the two moving units along the X direction are opposite.

[0024] Preferably, the hinge mechanism 10 includes a plurality of connecting pieces hinged in sequence.

[0025] Preferably, the middle window panel and the outer window panel 5 have the same structure, both including:

[0026] A first glass layer, a first air layer, a second glass layer, a second air layer, and a heat insulation layer arranged in sequence;

[0027] The heat insulation layer faces indoors.

[0028] A method for adjusting the window-wall ratio includes the following steps:

[0029] In the initial state, it is in the fully closed gear position, and both the middle window panel and the outer window panel 5 are laid flat on the window frame structure and in contact with each other;

[0030] The steps for forming the semi-open gear position include:

[0031] Step 1: The moving unit starts, and drives the first sleeve 12 to move along the first guide post 1 through the hinge mechanism 10;

[0032] During the movement of the first sleeve 12, the bearing slider 16 moves along the middle guide rail 71;

[0033] During the movement of the bearing slider 16 along the middle guide rail 71, the middle window panel moves away from the window frame structure;

[0034] Step 2: When the bearing slider 16 moves to the middle protrusion 73, the output end of the moving unit stops moving, and the bearing slider 16 swings towards the window frame structure under the action of the middle protrusion 73 until it reaches the middle swing opening 74;

[0035] At this time, the middle window panel is fitted on the outer window panel 5 to form a semi-open gear position;

[0036] The steps for forming the fully open gear position include:

[0037] Step A: The moving unit starts again, and the first sleeve 12 continues to move along the first guide post 1;

[0038] During the continuous movement of the first sleeve 12, the bearing slider 16 swings in the direction away from the window frame structure, swings from the middle swing opening 74 into the outer guide rail 72, and moves along the outer guide rail 72;

[0039] During the movement of the bearing slider 16 along the outer guide rail 72, the middle window panel and the outer window panel 5 move synchronously and away from the window frame structure;

[0040] Step B: When the bearing slider 16 moves to the other end of the outer guide rail 72, the output end of the moving unit stops moving to form a fully open gear position.

[0041] Compared with the prior art, the advantages of the present utility model are as follows:

[0042] 1. It solves the contradiction between the adverse impact of a large window-wall ratio on energy conservation and the adverse impact of a small window-wall ratio on the comfort of occupants, breaks the mindset that "the window-wall ratio should be a fixed value", and can be combined with the original window frame structure.

[0043] 2. After calculation, the lowest heat transfer coefficient of this enclosure structure can reach 0.5 W / m 2 ·K, and the maximum reduction of the cooling load per unit area of the building is about 50%, with remarkable energy-saving and emission-reduction effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 is a three-dimensional view of a building enclosure structure with an adjustable window-wall ratio;

[0045] Figure 2 is Figure 1 the structural diagram of removing the protective cover and the outer window plate in

[0046] Figure 3 is Figure 2 the structural diagram of another perspective of

[0047] Figure 4 is Figure 2 the structural diagram of removing the third guide post in

[0048] Figure 5 is a three-dimensional view of the guide rail;

[0049] Figure 6 is the state diagram of the fully closed gear position;

[0050] Figure 7 is a state diagram during the process from the fully closed gear position to the semi-open gear position;

[0051] Figure 8 is the state diagram of the semi-open gear position;

[0052] Figure 9 is the state diagram of the fully open gear position;

[0053] Figure 10 is the automatic control flow chart.

[0054] Among them, 1 - the first guide post, 2 - the protective cover, 3 - the second guide post, 4 - the sealing gasket, 5 - the outer window plate, 6 - the plate frame, 7 - the guide rail, 71 - the middle guide rail, 72 - the outer guide rail, 73 - the middle protrusion, 74 - the middle swing opening;

[0055] 8 - the stepping motor, 9 - the ball screw pair, 10 - the hinge mechanism, 11 - the connecting piece, 12 - the first sleeve, 13 - the second sleeve, 14 - the third sleeve, 16 - the bearing slider, 17 - the third guide post. Detailed implementation mode

[0056] The following will describe in more detail the building maintenance structure with adjustable window-wall ratio and the window-wall ratio adjustment method of the present utility model in conjunction with the schematic diagrams, in which the preferred embodiments of the present utility model are shown. It should be understood that those skilled in the art can modify the present utility model described herein while still achieving the advantageous effects of the present utility model. Therefore, the following description should be understood as broad knowledge for those skilled in the art and not as a limitation to the present utility model.

[0057] As Figures 1 to 9 shown, a building maintenance structure with adjustable window-wall ratio is an intensive mechanical mechanism installed inside a room, which can dynamically adjust the window-wall ratio of the building. In summer, it can minimize the heat entering the room, thereby achieving energy conservation and emission reduction during the use of the building and ensuring the comfort of living.

[0058] The building maintenance structure with adjustable window-wall ratio specifically includes: a protective cover 2, a first guide post 1, a second guide post 3, a third guide post 17, a guide rail 7, window panels (an intermediate window panel and an outer window panel 5), and a moving unit.

[0059] The protective cover 2 is fixed to the indoor wall. As Figure 1 shown, the open end on the side of the protective cover 2 contacts the indoor wall.

[0060] The first guide post 1 and the third guide post 17 are used for the corresponding window panels to slide.

[0061] Both the first guide post 1 and the third guide post 17 extend along the X direction, and their two ends are fixed to the protective cover 2.

[0062] The third guide post 17 is arranged close to the window frame structure. Relative to the third guide post 17, the first guide post 1 is far from the window frame structure.

[0063] On the first guide post 1, a first sleeve 12 is sleeved, and the first sleeve 12 can move along the first guide post 1.

[0064] A hinge mechanism 10 is hinged between the first sleeve 12 and the output end of the moving unit, and the moving unit is fixed to the protective cover 2; a plate frame is arranged on the outer wall of the first sleeve 12, and the plate frame is fixed to the intermediate window panel; a protrusion is arranged on one side of the intermediate window panel close to the window frame structure. Among them, the first sleeve 12 and the plate frame are integrally formed.

[0065] On the third guide post 17, a third sleeve 14 is sleeved, and the third sleeve can move along the third guide post 17.

[0066] The third sleeve 14 is connected to the outer window panel 5 through a plate frame 6; a groove cooperating with the protrusion is arranged on one side of the outer window panel 5 far from the window frame structure.

[0067] The second guide post 3 is used for the first guide post 1 to slide thereon. It extends along the Y direction, and both of its ends are fixed to the protective cover 2. A second sleeve 13 is sleeved thereon, and the second sleeve 13 can move along the second guide post 3.

[0068] The second sleeve 13 is connected to the first guide post 1 through a connecting member 11. Among them, the connecting member 11 and the second sleeve 13 are integrally formed, and the first guide post 1 is clamped in a hole formed in the connecting member 11. Specifically, the connecting member 11 is a sheet-like structure.

[0069] The guide rail 7 is curved to allow the middle window panel to cover the outer window panel 5 after moving a set distance along the Y direction (during the process from the fully closed position to the half-open position), and for the middle window panel and the outer window panel 5 to move synchronously along the Y direction by a set distance and then the middle window panel to separate from the outer window panel 5 (during the process from the fully open position to the fully closed position). It is fixed to the housing 2 and is slidably connected to the load-bearing slider 16, and the load-bearing slider 16 is fixed to the outer wall of the first sleeve 12.

[0070] Specifically, the guide rail 7 includes:

[0071] The middle guide rail 71 and the outer guide rail 72 are interconnected. They are both curved and symmetrically arranged, and they both protrude outward away from the window frame structure; the middle guide rail 71 is arranged close to the middle window panel.

[0072] The middle protrusion 73 is formed at the junction of the middle guide rail 71 and the outer guide rail 72 and extends along the Y direction.

[0073] The middle swing port 74 is arranged opposite to the middle protrusion 73 along the Y direction, and its open end faces the window frame structure.

[0074] Among them, as Figure 7 shown, when the load-bearing slider 16 is located at the other end of the middle guide rail 71, the fully closed position is formed, and the middle window panel lies flat on the inner side of the outer window panel 5.

[0075] As Figure 8 shown, when the load-bearing slider 16 is located at the middle swing port 74, the half-open position is formed, and the moving unit stops moving;

[0076] As Figure 9 shown, when the load-bearing slider 16 is located at the other end of the outer guide rail 72, the fully open position is formed, and the middle window panel covers and is clamped to the outer window panel 5.

[0077] In this embodiment, the moving unit includes:

[0078] A stepper motor 8, which is fixed to the protective cover 2;

[0079] A ball screw pair 9, whose screw rod is connected to the output shaft of the stepper motor 8, and whose nut forms the output end of the moving unit.

[0080] The number of moving units is 2, symmetrically arranged on the protective cover 2, and the moving directions of the two moving units along the X direction are opposite.

[0081] That is, the window frame structure in this embodiment is configured with 4 window panels. As Figure 1 shown, in the fully closed position, the outer window panel, the middle window panel, the middle window panel, and the outer window panel are arranged in sequence and in contact.

[0082] Sealing gaskets 4 are provided at the outer edges of the middle window panel and the outer window panel.

[0083] The middle window panel and the outer window panel 5 have the same structure, both including:

[0084] A first glass layer, a first air layer, a second glass layer, a second air layer, and a thermal insulation layer arranged in sequence; the thermal insulation layer faces the interior.

[0085] The first glass layer is Low-E glass with a thickness of 6 mm.

[0086] The first air layer has a thickness of 9 mm.

[0087] The second glass layer is ordinary glass with a thickness of 5.7 mm.

[0088] The second air layer has a thickness of 30 mm.

[0089] The thermal insulation layer is made of EPS or SEPS material with a thickness of 30 mm to 60 mm, so that the lowest heat transfer coefficient can be reduced from more than 2 W / (m 2 ·k) of a conventional window to 0.5 W / (m 2 ·k), and this design can effectively reduce building energy consumption.

[0090] Furthermore, the hinge mechanism 10 includes a plurality of connecting pieces hinged in sequence. Linear bearings are installed in each sleeve to achieve smooth movement.

[0091] The window-wall ratio refers to the ratio of the total area of the external windows (including transparent curtain walls) in a certain orientation to the total area of the wall surface in the same orientation (including the window area).

[0092] The working principle of the building envelope with an adjustable window-wall ratio:

[0093] In the initial state, in the fully closed position, the middle window panel and the outer window panel 5 are both laid flat on the window frame structure and in contact with each other. At this time, the window is completely covered by the window panels, and the window-wall ratio is the smallest.

[0094] Afterwards, under the guidance of the rolling screw pair 9, the first sleeve 12 (the sleeve on the left first guide post 1) has a tendency to translate leftward. Constrained by the trajectory of the guide rail 7, this movement trajectory is transformed into the path trajectory of the guide rail, and the movement in the x and y directions is decomposed through the sliding of the first sleeve 12 on the first guide post 1 and the sliding of the second sleeve 13 on the second guide post 3. Specifically as follows:

[0095] Steps for forming the semi-open gear position, including:

[0096] Step 1: The stepping motor 8 starts, driving the rotation of the screw of the rolling screw pair 9. The nut of the rolling screw pair 9 drives the hinge mechanism 10 to translate, and the hinge mechanism 10 drives the first sleeve 12 to move along the first guide post 1.

[0097] During the movement of the first sleeve 12, the bearing slider 16 moves along the middle guide rail 71.

[0098] During the movement of the bearing slider 16 along the middle guide rail 71, the middle window panel moves away from the window frame structure.

[0099] As Figure 7 shown, the middle window panel moves away from the window frame structure, that is, it is no longer in the same plane as the outer window panel 5 and is closer to the indoor direction. Only in this way can the middle window panel be clamped on the outer window panel 5 in Step 2.

[0100] Step 2: The bearing slider 16 moves to the middle protrusion 73, and the output end of the moving unit stops moving. The bearing slider 16 swings towards the window frame structure under the action of inertia and the middle protrusion 73, reaching the middle swing port 74.

[0101] At this time, the middle window panel is fitted on the outer window panel 5, forming the semi-open gear position.

[0102] Among them, the function of the middle protrusion 73 is to limit the position and prevent the bearing slider 16 from sliding towards the outer guide rail 72.

[0103] Steps for forming the fully open gear position, including:

[0104] Step A: The stepping motor 8 starts again, and the first sleeve 12 continues to move along the first guide post 1;

[0105] During the continuous movement of the first sleeve 12, the bearing slider 16 swings towards the direction away from the window frame structure, swings from the middle swing port into the outer guide rail 72, and moves along the outer guide rail 72 under the drive of the first sleeve 12.

[0106] During the movement of the bearing slider 16 along the outer guide rail 72, the middle window panel and the outer window panel 5 on the same side move synchronously and away from the window frame structure. That is, during this process, the middle window panel and the outer window panel 5 on the same side are an integral whole.

[0107] Step B: When the carrier slider 16 moves to the other end of the outer guide rail 72, the output end of the moving unit stops moving, forming a fully open gear position, as Figure 9 shown. At this time, the window-wall ratio is the largest.

[0108] Similarly, the closing action is a reverse process of the above opening action. Closing action:

[0109] In the initial state, it is in the fully open gear position.

[0110] After that, after the middle window panel and the outer window panel 5 move synchronously along the Y direction by a set distance and reach the middle swing opening 74, a semi-open gear position is formed.

[0111] The outer window panel 5 stays at the semi-open gear position, and the middle window panel detaches from the outer window panel 5. When the middle window panel reaches the other end of the middle guide rail 71, a fully closed gear position is formed.

[0112] In addition, as Figure 10 shown, this maintenance structure uses an electronic door control unit to automatically send a control signal to control the movement of the window panel by comparing the optimal heat gain of the building envelope required to maintain the optimal cooling load calculated by using previous year's data and combining the RTS method (solar radiation time series method) according to the indoor and outdoor environmental parameters from the sensor, so as to achieve the automatic control function.

[0113] This device has fast response, easy control, good braking performance, and can timely feedback the product structure state.

[0114] Meanwhile, a photoelectric sensor is installed at the middle position of the third guide post 17, which can detect whether there is an object in the detection area by emitting laser or infrared light. The sensor detects whether there is an obstacle between adjacent window panels and transmits a braking signal to the door control unit to ensure safety and prevent pinching or impact.

Claims

1. A building envelope structure with adjustable window-to-wall ratio, characterized in that: include: A protective cover (2) is installed on an indoor wall; The first guide post (1) and the third guide post (17) are used for corresponding window panels to slide; the first guide post (1) and the third guide post (17) both extend along the X direction, and both ends of the guide post (17) are fixed to the protective cover (2); the third guide post (17) is arranged close to the window frame structure; The first guide column (1) is sleeved with a first sleeve (12), a hinge mechanism (10) is hingedly connected between the first sleeve (12) and the output end of the moving unit, and the moving unit is arranged on the protective cover (2); the first sleeve (12) is connected to the middle window panel; a protrusion is arranged on a side of the middle window panel close to the window frame structure; The third guide column (17) is sleeved with a third sleeve (14), and the third sleeve (14) is connected to the outer window panel (5) through the panel frame (6); a groove cooperating with the protrusion is provided on a side of the outer window panel (5) away from the window frame structure; The guide rail (7) is curved to allow the middle window panel to move a set distance in the Y direction and then cover the outer window panel (5), and the middle window panel and the outer window panel (5) to move a set distance in the Y direction synchronously so that the middle window panel is separated from the outer window panel (5). The guide rail (7) is fixed to the cover (2) and is slidably connected to the bearing slider (16). The bearing slider (16) is fixed to the outer wall of the first sleeve (12); The second guide post (3) is used for the first guide post (1) to slide, and extends along the Y direction. Both ends of the guide post are fixed to the protective cover (2), and a second sleeve (13) is sleeved thereon. The second sleeve (13) is connected to the first guide post (1) via a connecting piece (11).

2. The building envelope structure with adjustable window-to-wall ratio according to claim 1, characterized in that: The guide rail (7) comprises: The middle guide rail (71) and the outer guide rail (72) are connected to each other, are curved and symmetrically arranged, and are convex in a direction away from the window frame structure; the middle guide rail (71) is arranged close to the middle window panel; A middle protrusion (73) is formed at the junction of the middle guide rail (71) and the outer guide rail (72) and extends along the Y direction; The middle swing opening (74) is arranged opposite to the middle protrusion (73) along the Y direction, and its opening end faces the window frame structure.

3. The building envelope structure with adjustable window-to-wall ratio according to claim 2, characterized in that: When the bearing slide block (16) is located at the other end of the middle guide rail (71), a fully closed position is formed, and the middle window panel is laid flat on the inner side of the outer window panel (5); When the bearing slide block (16) is located at the middle swing opening, the semi-open gear position is formed, and the moving unit stops moving; When the bearing slide block (16) is located at the other end of the outer guide rail (72), a fully open position is formed, and the middle window panel covers and is clamped on the outer window panel (5).

4. The building envelope structure with adjustable window-to-wall ratio according to claim 1, characterized in that: The mobile unit comprises: A stepper motor (8) fixed to the protective cover (2); A ball screw pair (9), the screw of which is connected to the output shaft of the stepper motor (8), and the nut of which forms the output end of the moving unit.

5. The building envelope structure with adjustable window-to-wall ratio according to claim 1, characterized in that: The number of the movable units is 2, which are symmetrically arranged on the protective cover (2), and the moving directions of the two movable units along the X direction are opposite.

6. The building envelope structure with adjustable window-to-wall ratio according to claim 1, characterized in that: The hinge mechanism (10) comprises a plurality of connecting pieces which are hinged in sequence.

7. The building envelope structure with adjustable window-to-wall ratio according to claim 1, characterized in that: The middle window panel and the outer window panel (5) have the same structure, and both include: A first glass layer, a first air layer, a second glass layer, a second air layer and a heat-insulating layer are sequentially arranged; The heat-insulating layer is arranged toward the interior.