A fan-shaped movable sunshade device

Abstract

The present invention discloses a fan-shaped movable sunshade device, which is arranged above the hollow structure of a dome or flat roof, and includes a central column, a plurality of awnings, rollers, a walking platform and a motor. This sunshade device includes a plurality of awnings that can be opened and closed. The plurality of awnings are stacked and rotate around a central column. The structure is simple, and the arc edge of each awning is provided with a mounting seat and its roller, so that the awning has two fulcrums, can bear a greater deadweight, can be made larger in size, and has a stable structure. Since the central column plays a major guiding role, when setting the motor, it is only necessary to ensure that the motor can drive the awning to move, and the structure is simple. This invention is used in the field of building lighting equipment.

Description

Technical Field

[0001] The invention relates to the field of building lighting equipment, in particular to a fan-shaped movable sunshade device. Background Art

[0002] Daylighting is an important indicator of modern buildings. Some high-rise buildings require reasonable lighting on their tops, allowing sunlight to enter at different time periods or changing the transmittance of shading materials to adjust the intensity of sunlight entering the building.

[0003] Currently, a common architectural lighting structure is an open dome structure, with a cover material that can be deployed or retracted using retractable brackets. The cover material provides protection from wind and rain while also providing daylight. However, existing retractable bracket structures are inconvenient to use, have a small extension area, and low load-bearing capacity, resulting in significant limitations.

[0004] This technical solution aims to solve the sunshade and lighting problems of dome structures and flat roof fan-shaped hollow structures. Summary of the Invention

[0005] The purpose of the present invention is to provide a fan-shaped fully open movable sunshade device which is easy to move.

[0006] The technical solution adopted by the present invention is:

[0007] A fan-shaped movable sunshade device includes a central column as a rotation center; a plurality of awnings, each of which is fan-shaped and at different heights, with the top corner of each awning hinged to the central column and used as the rotation center. Each awning has a mounting seat on its arc side, with the top corner of each awning higher than the arc side; a plurality of rollers, each of which is mounted under each mounting seat; a walking platform provided under each roller; and a motor to drive each awning to extend or retract. Generally, this awning is installed above the hollow structure of a dome or a flat roof to avoid the sun; correspondingly, the hollow structure of the dome or the flat roof should also be fan-shaped, with an area slightly smaller than that of each awning after unfolding. The walking platform is directly mounted on the roof.

[0008] As an improvement to the above solution, the system also includes a controller, a wireless transceiver module, a temperature sensor, a humidity sensor, and a light sensor. The controller acquires parameters from these sensors, transmits and receives signals via the wireless transceiver module, and controls the motor's movement. This design, based on the concepts of remote intelligent control and automatic control, allows the awning to be automatically opened or closed at appropriate times and under appropriate operating conditions, facilitating ease of use and management.

[0009] In other solutions, a motor may be provided on each mounting base, and the motor drives the corresponding roller to rotate, so that each awning moves relatively independently.

[0010] As an improvement to the above solution, a motor is installed in the outermost mounting seat, and a curved rack is installed on the walking platform. The curvature of the rack is equal to the curvature of the motion path of the outermost mounting seat. The motor engages the rack via a gear, and the motor drives the outermost mounting seat to move in the direction of the rack. The gear transmission controls the opening and closing of the awning, achieving higher precision.

[0011] As an improvement to the above solution, the outermost mounting seat is provided with a rain shield above the gear to prevent rain from directly reaching the gear.

[0012] As an improvement to the above solution, the rack is arranged horizontally with the tooth surface facing downward to avoid dust and impurities from accumulating between the teeth. In addition, the tooth surface facing downward to engage with the gear can limit the radial displacement of the awning along the gear, avoid misalignment and failure of the gear and rack meshing transmission, and allow the gear and rack to engage smoothly for a long time.

[0013] As an improvement to the above solution, some of the awnings are provided with first stoppers on their radial sides, which are located inside the radial sides of the adjacent awnings. When one awning moves, the subsequent awning is gradually pulled out through the multiple stoppers. This method facilitates transmission and has a simple structure.

[0014] As an improvement to the above solution, a second stopper is provided on the radially opposite side of some of the awnings. The lower end of the second stopper extends beyond the edge of the adjacent awning below. When the outermost awning moves, all the inner awnings are gradually retracted. Since one awning in this solution can drive the others, the motor can also be placed in the mounting base to directly drive the rotation of the roller.

[0015] As an improvement to the above solution, the first and second stoppers are rubber strips that extend along the radial sides of the awning to both ends. In this design, the multiple first and second stoppers also provide additional waterproofing, preventing rainwater from entering through the gaps between adjacent awnings.

[0016] As an improvement to the above solution, the walking platform is provided with tracks for facilitating the embedding of the rollers, thereby more effectively guiding the movement of the mounting seat.

[0017] As an improvement to the above solution, bearings are provided at the hinges between each of the awnings and the center column to reduce friction.

[0018] The beneficial effects of the present invention include: the sunshade device comprises a plurality of openable and retractable awnings, which are stacked and rotate around a central column, resulting in a simple structure. Furthermore, each awning is provided with a mounting base and rollers on its curved edge, thereby providing the awning with two fulcrums, allowing it to bear greater weight, be larger in size, and maintain a stable structure. Because the central column serves as the primary guide, when installing the motor, it is only necessary to ensure that the motor can drive the awning, resulting in a simple structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below in conjunction with the accompanying drawings:

[0020] Figure 1 is a side view of the sunshade device;

[0021] Figure 2 This is an enlarged view of the mounting portion of the sunshade device;

[0022] Figure 3 It is a top view of the sunshade device when it is deployed;

[0023] Figure 4 It is a top view of the sunshade device when it is retracted;

[0024] Figure 5 It is a schematic diagram of multiple awnings pulling each other. DETAILED DESCRIPTION

[0025] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0026] In the description of this invention, "several" means one or more, "more" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0027] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0028] Reference Figures 1 to 5The present invention is a fan-shaped movable sunshade device, which is arranged above the hollow structure of a dome or flat roof, and includes a central column 10, a plurality of sunshades 20, rollers 31, a walking platform 40 and a motor. Figure 1 , it can be seen that the middle is a dome, and the raised parts on the left and right sides of the dome are called parapets 50, and the left and right ends of the awning 20 are respectively located on the left and right sides of the dome.

[0029] Each awning 20 is fan-shaped, and the central angle of each awning 20 is approximately 40°. Each awning 20 is at a different height and nested from the outside to the inside according to size. The top corner of each awning 20 is hinged to the central column 10 and serves as the rotation center. Figure 1 A two-layer awning 20 is provided as an example. Figure 3 and 4 A four-layer sunshade 20 is provided as an example. Figure 5 A three-layer awning 20 is provided as an example. Each awning 20 has a mounting base 30 on its curved side, with rollers 31 positioned beneath each mounting base 30. This provides two pivot points for each awning 20, ensuring overall strength and stability. The walking platform 40 is a flat structure installed on the roof. It is typically a flat steel plate or equipped with roller tracks to support the rollers 31 and facilitate stable movement. In other embodiments, the rollers 31 can be mounted directly on the roof, but this may result in less stability.

[0030] In other embodiments, the awning 20 is horizontal. Preferably, the awning 20 is radially inclined at an angle of about 20 degrees to guide rainwater to flow away. Specifically, the top corner of each awning 20 is higher than the arc edge.

[0031] A bearing 11 is provided at the hinged joint of the awning 20 and the center column 10 to reduce friction. Generally, a shaft shoulder is provided on the center column 10, and then the bearing 11 is put on. Then one end of the awning 20 is connected to the side of the bearing 11.

[0032] There are several ways to use a motor to drive the movement of the awning 20. First, a motor is installed in each mounting seat 30, which directly drives the roller 31 to rotate, driving the multiple awnings 20 to deploy relatively independently. Second, a motor is installed in one of the mounting seats 30, which directly drives the roller 31 to rotate. However, when one awning 20 moves, it can appropriately pull the other awnings 20 to move, thereby driving the deployment of multiple awnings 20. Third, a motor is installed in the mounting seat 30 of the outermost awning 20, and a corresponding curved rack 33 is provided on the walking platform 40. The curvature of the rack 33 is equal to the curvature of the motion path of the outermost mounting seat 30. The motor engages the rack 33 via a gear 32, driving the outermost mounting seat 30 to move along the direction of the rack 33, with the roller 31 passively rotating. Controlling the opening and closing of the awning 20 through the gear 32 transmission provides higher precision; the degree of opening and closing of the awning 20 can also be determined based on the rotation angle of the motor.

[0033] Reference Figure 2 , we can see that the mounting base 30 of the built-in motor can be appropriately enlarged, and the rest of the mounting base 30 can be used mainly as a fulcrum. Figure 3 and Figure 4 Generally, mounting seats 30 are provided at both corners of the awning 20 .

[0034] When using a cost-saving solution that uses a single motor to drive the awnings 20, first stoppers 21 are provided on the radial sides of some of the awnings 20. These first stoppers 21 are located on one radial side of the awnings 20. When one awning 20 moves, the subsequent awnings 20 are gradually pulled out via multiple stoppers. A second stopper 22 is provided on the other radial side of the outermost awning 20. The lower end of the second stopper 22 extends beyond the edge of the innermost awning 20. When the outermost awning 20 moves, all the inner awnings 20 are gradually retracted. Since a single awning 20 can drive the remaining awnings 20 in this solution, a solution in which the motor is located within the mounting base 30 and directly drives the rotation of the roller 31 can also be used.

[0035] Reference Figure 5For example, consider the structure of a three-tiered awning 20. Each awning 20 consists of two crossed rods with a sun visor positioned between them. The rods are slightly higher than the plane of the sun visor. A first stopper 21 is located on the right side of each awning 20. When the top awning 20 moves leftward, it pulls the middle awning 20 leftward. Once the middle awning 20 moves to the left, it also begins to pull the bottom awning 20. When the top awning 20 moves to the right, the second stopper 22 of the top awning 20 pushes the middle awning 20 to the right, and the second stopper 22 of the middle awning 20 pushes the lower awning 20 to the right, thereby achieving stacking and fully opening the flat roof hollow lighting structure. Alternatively, a second stopper 22 is provided only on the top awning 20, and the second stopper 22 extends directly downward to the bottom awning 20. A second stopper 22 pushes the middle awning 20 and the bottom awning 20 to the right in sequence, thereby achieving stacking. Preferably, the bottom awning 20 has a limit position for movement to the left, at which point the first stopper 21 is caught by the steps on the roof.

[0036] In this embodiment, the first limit block 21 and the second limit block 22 are both rubber strips, and the first limit block 21 and the second limit block 22 extend along the radial side of the awning 20 to the front and rear ends. In this design, the multiple first limit blocks 21 and the second limit blocks 22 also play an additional role in waterproofing, preventing rainwater from drifting in through the gap between adjacent awnings 20. Figure 5 For example, a third limiting block 23 can be set on the left side of the middle and lower awning 20 for overlapping with the first limiting block 21.

[0037] In this embodiment, in order to effectively guide the movement of the rollers 31 , the walking platform 40 is provided with tracks 41 for facilitating the embedding of the rollers 31 . Figure 3 and Figure 4 It can be seen that this embodiment is provided with four tracks 41, four sunshades 20. Now, the walking platform 40 is arranged near the outermost track 41, and it is also arc-shaped when viewed from above.

[0038] In this embodiment, the motor uses an intelligent control solution. The entire device also includes a controller mounted on the motor, a wireless transceiver module located near the awning 20, and temperature, humidity, and light sensors. The controller acquires parameters from these sensors, transmits and receives signals via the wireless transceiver module, and controls the motor's movement.

[0039] In the intelligent control mode, the weather data such as wind speed, fog, rain, and illumination collected by the roof sensor are analyzed, including wind speed (typhoon and other windy weather), humidity (fog), raindrop sensor (whether it is raining), and illumination (intensity of direct sunlight). The control center analyzes the collected data. When the value of a certain collected item reaches the set parameter, the stepper motor is driven to close the awning 20.

[0040] The intelligent control mode can set the timer on / off function according to personal preference.

[0041] The user can set the limit control parameters for the stepper motor action (control parameters compared with the dynamic data of a sensor collected by the controller) according to personal preferences, and the parameters can also be set as default parameters.

[0042] In manual mode, the opening and closing of the awning 20 is manually controlled. In manual mode, when extreme weather conditions occur, the collected data reaches the working state set to close the awning, and the thermal infrared human body sensor does not detect human activity within the detection range, it will automatically switch to intelligent control mode.

[0043] Except in manual mode and when there is human activity within the detection range, the interruption priority of a certain intelligent control is the highest.

[0044] As for the above circuit design, you can refer to "Modern Electronic Technology" and other textbooks. The connection method of the circuit board and the sensor and the degree code will not be repeated here.

[0045] This sunshade device includes several openable and retractable awnings 20, stacked and rotating around a central column 10. The structure is simple, and each awning 20 is provided with a mounting base 30 and its roller 31 on the curved edge. This provides the awning 20 with two fulcrums, allowing it to bear greater weight, be larger, and maintain a stable structure. Because the central column 10 serves as the primary guide, the motor only needs to be capable of driving the awning 20, resulting in a simple structure. Furthermore, the motor is located at the outermost position, allowing it to operate at a lower power level, generating a smaller torque to move the awning 20.

[0046] Of course, the present invention is not limited to the above-mentioned embodiments. Combinations of different features of the above-mentioned embodiments can also achieve good results. Those skilled in the art can make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications or substitutions are all within the scope defined by the claims of this application.

Claims

1. A fan-shaped movable sunshade device, characterized in that: include the central column, serving as the center of rotation; A plurality of awnings, each of which is fan-shaped and at different heights, with the top corner of each awning hinged to a central column and rotating around it, and a mounting seat provided on the arc side of each awning, wherein the top corner of each awning is higher than the arc side; A plurality of rollers, each of which is mounted under each mounting seat; A walking platform is arranged below each roller; Motor, driving each awning to extend or retract; It also includes a controller, a wireless transceiver module, a temperature sensor, a humidity sensor, and a light sensor. The controller obtains parameters through each sensor, sends and receives signals through the wireless transceiver module, and controls the movement of the motor; A motor is provided in the outermost mounting seat, and an arc-shaped rack is provided on the walking platform. The curvature of the rack is equal to the curvature of the motion path of the outermost mounting seat. The motor engages the rack through the gear, and the motor drives the outermost mounting seat to move along the rack direction.

2. The fan-shaped movable sunshade device according to claim 1, characterized in that: The outermost mounting seat is provided with a rainproof strip above the gear.

3. The fan-shaped movable sunshade device according to claim 2, characterized in that: The rack is arranged horizontally with the tooth surface facing downward.

4. The fan-shaped movable sunshade device according to claim 1, characterized in that: The radial side edges of some of the awnings are provided with first limit blocks, which are located inside the radial side edges of another adjacent awning. When one of the awnings moves, the subsequent awnings will be gradually pulled out through multiple limit blocks.

5. The fan-shaped movable sunshade device according to claim 4, characterized in that: A second limit block is provided on the radial side of the other side of part of the awnings, and the lower end of the second limit block passes over the edge of the adjacent lower awning. When the outermost awning moves, all the inner awnings will be gradually retracted.

6. The fan-shaped movable sunshade device according to claim 5, characterized in that: The first limiting block and the second limiting block are both rubber strips, and the first limiting block and the second limiting block extend along the radial side of the awning to the front and rear ends.

7. The fan-shaped movable sunshade device according to any one of claims 1 to 6, characterized in that: The walking platform is provided with tracks for facilitating the embedding of the rollers.

8. The fan-shaped movable sunshade device according to claim 7, characterized in that: A bearing is provided at a hinged position between each of the sunshades and the center column.

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