Building curtain wall photovoltaic sunshade unit assembly

Abstract

The utility model discloses a photovoltaic sun-shading unit assembly for a building curtain wall, which is used for solving the problem that in the prior art, effective sun shading cannot be carried out on an outdoor structure of a glass curtain wall. Comprising a frame, a sun shield and a driving mechanism, the two ends of the sun shield are installed on the frame through bearing assemblies, at least one end of the sun shield is provided with a rocker, and the other end of the rocker is hinged to a connecting rod; a driving disc is arranged at the end of the connecting rod, a sliding groove is formed in the driving disc, and the length direction of the sliding groove is perpendicular to the length direction of the connecting rod. The driving mechanism comprises a direct-current motor, a planetary reducer and an eccentric wheel, the direct-current motor is connected with the eccentric wheel through the planetary reducer, and the eccentric pin is arranged on the eccentric wheel and is in sliding fit with the sliding groove. The sun-shading unit assembly can be independently installed on the outer side of a glass curtain wall, and the sun-shading plate can be adjusted according to the location and orientation of a building and the illumination intensity of the sun.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic power generation drive's glass curtain wall sun protection energy saving technical field. BACKGROUND

[0002] Glass curtain wall, especially full glass curtain wall is widely used in modern architecture because of its beauty, but the sun protection and sunshade problem brought by its high light transmittance also becomes increasingly prominent, therefore, the glass curtain wall sun protection, sunshade problem needs to be researched.

[0003] In the prior art, according to the different technical measures, it is divided into fixed sunshade component and adjustable sunshade component, wherein the fixed sunshade component refers to the horizontal sunshade board and the vertical sunshade board set on the glass curtain wall outer wall are used to shield light, so as to reduce the sunlight directly into the room, thereby reducing the heat radiation, but this sunshade board is fixed and cannot be adjusted, therefore, in the rainy weather, the disadvantages are obvious, which will affect the indoor lighting, causing the indoor to be dark in the rainy day.

[0004] The adjustable sunshade component refers to the use of roller blind to shield light, wherein the roller blind is generally set on one side of the room and is operated by the indoor personnel, which has the advantages of high flexibility and can be adjusted at will according to the sunshine angle, but the disadvantage is not beautiful enough. UTILITY MODEL CONTENTS

[0005] In order to solve the problems of the prior art, the utility model provides a building curtain wall photovoltaic sunshade unit assembly, which is used to solve the problem that the outdoor structure of the glass curtain wall cannot be effectively shaded in the prior art, and is also an adjustable outdoor structure, the driving power comes from the photovoltaic panel, the photovoltaic self-power generation technology is adopted, long-term maintenance-free operation is achieved, and the installation requirements of the outdoor special occasions are solved.

[0006] The utility model solves the technical problems by adopting the following technical scheme:

[0007] The building curtain wall photovoltaic sunshade unit assembly comprises a frame, a sunshade board and a driving mechanism, characterized in that the frame is a rectangular frame assembled by aluminum alloy profiles, a plurality of parallel sunshade boards are installed in the mounting space of the frame, both ends of the sunshade board are installed on the aluminum alloy frame through bearing assemblies, a rocker is arranged at least at one end of the sunshade board, one end of the rocker is welded and fixed on the rotating shaft of the sunshade board, and the other end is hingedly connected with a connecting rod; a driving disc is arranged at the end of the connecting rod, a sliding groove is arranged on the driving disc, and the length direction of the sliding groove is perpendicular to the length direction of the connecting rod; the driving mechanism comprises a DC motor, a planetary reducer and an eccentric wheel, the DC motor is connected with the eccentric wheel through the planetary reducer, an eccentric pin is arranged on the eccentric wheel, and the eccentric pin is in sliding fit with the sliding groove.

[0008] Furthermore, a thin-film photovoltaic panel is attached to the light-receiving surface of the sunshade. The positive and negative electrode leads of the thin-film photovoltaic panel are led out from one side of the rotating shaft of the sunshade and welded to a slip ring. The slip ring is fitted and installed on the rotating shaft of the sunshade, and the slip ring is electrically connected to the charging and discharging circuit.

[0009] Furthermore, a light intensity sensor is electrically connected to the electric charging and discharging circuit, and the light intensity sensor is installed at a position on the frame that receives sunlight.

[0010] Furthermore, the sunshade has a gradient structure that is thicker in the middle and thinner on both sides.

[0011] Furthermore, the building curtain wall photovoltaic shading unit assembly is installed on the outside of the glass curtain wall, and the installation method is screw or bolt fixing.

[0012] Furthermore, the frame is covered by an outer shell, and mounting flanges are provided on both sides of the outer shell.

[0013] The beneficial effects of this utility model are:

[0014] This sunshade unit can be independently installed on the outside of the glass curtain wall. The sunshade adjusts according to the building's location, orientation, and the intensity of sunlight. If the sunlight intensity exceeds a set threshold, the sunshade rotates to a near-horizontal position to achieve sun shading. If the sunlight intensity is below the set threshold, the sunshade rotates to a near-vertical position, allowing light to pass through the device, thus regulating the amount of light. Attached Figure Description

[0015] Figure 1 This shows the horizontal installation state of this unit component on the glass curtain wall.

[0016] Figure 2 This shows the vertical installation status of this unit component on the glass curtain wall.

[0017] Figure 3 This is a 3D view of the components of this unit.

[0018] Figure 4 This is a partial disassembly and assembly diagram of the components in this unit.

[0019] Figure 5 for Figure 4 Enlarged view of a portion of the image.

[0020] Figure 6 for Figure 4 Side view.

[0021] Figure 7 This section shows the shading state of this unit component, demonstrating the sun shading panel in a near-horizontal position.

[0022] Figure 8 For the non-shading state of the unit assembly, the sunshade is shown in a near-vertical state.

[0023] In the figure:

[0024] 00 glass curtain wall,

[0025] 10 aluminum alloy frame, 11 outer shell, 12 mounting flange,

[0026] 20 sunshade, 21 bearing assembly, 211 thin film photovoltaic panel, 212 slip ring, 22 rocker, 23 steel pin, 24 connecting rod, 25 drive disc, 26 sliding groove,

[0027] 30 DC motor, 31 planetary reducer, 32 eccentric wheel, 33 eccentric pin,

[0028] 40 light intensity sensor. DETAILED DESCRIPTION

[0029] The building curtain wall photovoltaic sunshade unit assembly is installed on the outer side of the glass curtain wall 00, and is fixedly installed by screws or bolts, and is used for sun shading.

[0030] The assembly includes an aluminum alloy frame 10 which is assembled from aluminum alloy profiles, and an outer shell 11 is installed on the aluminum alloy frame, and the outer shell is also used for installing and protecting the motor, connecting rod, battery, charging and discharging circuit and other accessories. Mounting flanges 12 are arranged on both sides of the outer shell for fixed connection with the vertical frame of the curtain wall.

[0031] An sunshade installation space is arranged in the aluminum alloy frame, and a sunshade 20 is installed in the space. The sunshade is in the shape of a water droplet, is made of aluminum alloy plate, and is installed by a bearing assembly at both ends of the sunshade 20, that is, both ends of the sunshade are installed on the aluminum alloy frame 10 by the bearing assembly 21. A rocker 22 is arranged on the aluminum alloy frame on each side of each sunshade, one end of the rocker is welded and fixed on the rotating shaft of the sunshade, and the other end is provided with a hinged hole which is hingedly connected with the connecting rod 24 through a steel pin 23.

[0032] The number of sunshades in the embodiment is four, and four hinged holes are also arranged on the connecting rod 24, that is, four sunshades can be driven by one connecting rod.

[0033] A drive disc 25 is arranged at the end of the connecting rod 24, and a sliding groove 26 is arranged on the drive disc. The length direction of the sliding groove 26 is perpendicular to the length direction of the connecting rod, that is, the sliding groove is perpendicular to the connecting rod.

[0034] The driving power includes a direct current motor 30, a planetary reducer 31 and an eccentric wheel 32, wherein the direct current motor is connected with the planetary reducer, the eccentric wheel is installed on the power output shaft of the planetary reducer, an eccentric pin 33 is arranged on the eccentric position of the eccentric wheel, and the eccentric pin is in sliding fit with the sliding groove on the driving disc. The sliding fit has an initial position and a swing limit position, wherein in the initial position, the eccentric pin 33 is at a high point position on the eccentric wheel, and the corresponding connecting rod is also at a high point position, and the corresponding sunshade is at a horizontal 30-degree angle position. In the initial position, the direct current motor drives the eccentric wheel to rotate forward or reversely, and the corresponding rocker swings counterclockwise or clockwise, and the sunshade moves at the same time. When the rocker swings clockwise, the limit position of the sunshade is shown in Fig. 3, which shows that the sunshade is in a state close to the vertical direction, which is suitable for the case of insufficient light such as rainy day, night and the like, which is also the normal state of the device. When the sunlight is relatively strong, the direct current motor reverses to drive the rocker to rotate counterclockwise, and the limit position of the sunshade is shown in Fig. 4, in which the sunshade is substantially in a horizontal state, and the sunshade is substantially in a horizontal state, and the sunshade is substantially in a horizontal state. Figure 8 , which shows that the sunshade is in a state close to the vertical direction, which is suitable for the case of insufficient light such as rainy day, night and the like, which is also the normal state of the device. When the sunlight is relatively strong, the direct current motor reverses to drive the rocker to rotate counterclockwise, and the limit position of the sunshade is shown in Fig. 4, in which the sunshade is substantially in a horizontal state, and the sunshade is substantially in a horizontal state, and the sunshade is substantially in a horizontal state. Figure 7

[0035] The unit assembly in the embodiment is installed on the vertical frame of the glass curtain wall in a cantilever state, so the direct current motor, the planetary reducer, the eccentric wheel and the like are arranged close to the fixed end, as shown in Fig. 5. Figure 2 .

[0036] The light-receiving surface (i.e. the upper surface) of the sunshade 20 is paved with a thin-film photovoltaic panel 211, the positive and negative electrode lead-out wires of the thin-film photovoltaic panel are led out from the side of the rotating shaft and welded to a current collection slip ring 212, the current collection slip ring is sleeved and installed on the rotating shaft of the sunshade and located at an idle position between the sunshade and the bearing assembly, and the current collection slip ring leads out the electric energy generated by the thin-film photovoltaic panel to electrically connect with the charge-discharge circuit on the rear side.

[0037] The charge-discharge circuit includes a circuit board and a storage battery (not shown in the figure) and is installed in the device housing close to the position of the direct current motor.

[0038] The electric wires led out by the current collection slip ring are preferably fixed on the aluminum alloy frame to ensure the concealment and safety of the electric wire connection.

[0039] Preferably, the sunshade is designed as a gradually changing structure with thick middle and thin sides, and the thin-film photovoltaic panel is bonded to the light-receiving surface of the sunshade.

[0040] ​The thin film photovoltaic panels on the plurality of sunshields are connected to the charge-discharge circuit through the plurality of current collecting rings, which can be connected in series or in parallel.

[0041] The aluminum alloy frame shell covers the shell 11, and is sealed by pouring insulating sealant at the lap joint surface of the shell. The waterproof level is IP7, which prevents current leakage and short circuit, prevents external impurities such as moisture and dust from entering the inside, and meets the erosion of natural environment such as wind, rain and snow in the outside world.

[0042] The device has a relatively flat and beautiful overall appearance.

[0043] In the charge-discharge circuit, a light intensity sensor is electrically connected, and the light intensity sensor 40 is installed on the upper surface of the aluminum alloy frame to easily receive sunlight. The light intensity sensor is used to monitor the light intensity in real time and send data to the charge-discharge circuit. After the charge-discharge circuit receives the data, it is determined whether the light intensity exceeds the preset threshold. If the set threshold is exceeded, the sunshade is started to rotate to a near-horizontal state to achieve the sunshade target. If the light intensity is lower than the set threshold, the sunshade is started to rotate to a near-vertical state to allow light to pass through the device, achieving light regulation.

[0044] The above-described embodiments are only used to describe the preferred embodiments of the present application, and do not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements of the present application made by those skilled in the art shall fall within the protection scope of the present application as defined in the claims.

Claims

1. A photovoltaic shading unit assembly for building curtain walls, comprising a frame, a shading panel, and a drive mechanism, characterized in that, The frame is a rectangular frame assembled from aluminum alloy profiles. Multiple sunshades are installed side-by-side within the frame's mounting space. Each sunshade is mounted on the frame at both ends via bearing assemblies. A rocker arm is provided at least one end of each sunshade; one end of the rocker arm is welded and fixed to the sunshade's pivot, and the other end is hinged to a connecting rod. A drive disc is provided at the end of the connecting rod, and a sliding groove is provided on the drive disc. The length direction of the sliding groove is perpendicular to the length direction of the connecting rod. The drive mechanism includes a DC motor, a planetary reducer, and an eccentric wheel. The DC motor is connected to the eccentric wheel via the planetary reducer, and an eccentric pin is provided on the eccentric wheel, slidingly engaging with the sliding groove.

2. The building curtain wall photovoltaic shading unit component according to claim 1, characterized in that, A thin-film photovoltaic panel is attached to the light-receiving surface of the sunshade. The positive and negative electrode leads of the thin-film photovoltaic panel are led out from one side of the rotating shaft of the sunshade and welded to the slip ring. The slip ring is sleeved and installed on the rotating shaft of the sunshade, and the slip ring is electrically connected to the charging and discharging circuit.

3. The building curtain wall photovoltaic shading unit component according to claim 2, characterized in that, The electric charging and discharging circuit is electrically connected to a light intensity sensor, which is installed in a position on the frame that receives sunlight.

4. The building curtain wall photovoltaic shading unit component according to claim 3, characterized in that, The sunshade has a gradient structure that is thicker in the middle and thinner on both sides.

5. The building curtain wall photovoltaic shading unit component according to claim 4, characterized in that, The building curtain wall photovoltaic shading unit is installed on the outside of the glass curtain wall and is fixed by screws or bolts.

6. The building curtain wall photovoltaic shading unit component according to claim 1, characterized in that, The frame is covered by an outer shell, and mounting flanges are provided on both sides of the outer shell.

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