Photovoltaic shutter

Abstract

The utility model provides a photovoltaic shutter, relates to the field of photovoltaic technology, and aims to solve the technical problem of poor quality reliability of the photovoltaic shutter. The photovoltaic shutter comprises two opposite frame structures and a plurality of photovoltaic elements, each frame structure comprises a plurality of connecting pieces, a first supporting piece and a second supporting piece, the first supporting piece and the second supporting piece are opposite, and the two ends of each connecting piece are connected to the corresponding first supporting piece and the corresponding second supporting piece respectively; the two ends of each photovoltaic element are electrically connected with the corresponding connecting pieces of the two frame structures respectively. In the same frame structure, at least part of the connecting pieces are electrically connected; the inclination angle of the photovoltaic element can be adjusted by adjusting the relative positions of the first supporting piece and the second supporting piece in the same frame structure. According to the photovoltaic shutter, the problems of collision and line overlapping between photovoltaic elements can be avoided, and the reliability is higher.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic technology, and in particular to a photovoltaic louver. Background Technology

[0002] The statements in this section are merely background information related to this utility model and do not necessarily constitute prior art.

[0003] Photovoltaic louvers are an innovative product that combines photovoltaic technology with building shading functions. They not only provide shading for buildings, but also convert sunlight into electricity to meet some of the building's energy needs.

[0004] In related technologies, photovoltaic (PV) laminates are perforated, and pull wires are passed through these holes to form physical connections. However, this method can cause the pull wires to partially obstruct PV laminates, affecting power generation and causing hot spots. Furthermore, using pull wires in series can lead to collisions and contact between PV laminates, damaging the cells. Additionally, the conductive lines between PV laminates are two-dimensional; when these lines need to be connected in series or parallel, they may overlap in some locations. Over long-term use, the aging of the insulation material can lead to failure and short circuits. Utility Model Content

[0005] The purpose of this invention is to provide a photovoltaic louver to solve the technical problem of poor reliability of photovoltaic louvers.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] This utility model provides a photovoltaic louver, including two opposing frame structures and multiple photovoltaic elements. The frame structure includes multiple connectors and opposing first and second supports, wherein the two ends of the connectors are respectively connected to the first and second supports.

[0008] Each of the photovoltaic elements is electrically connected at both ends to the corresponding connectors of the two frame structures;

[0009] In the same frame structure, at least a portion of the connectors are electrically connected;

[0010] The tilt angle of the photovoltaic element can be adjusted by adjusting the relative positions of the first support member and the second support member in the same frame structure.

[0011] According to at least one embodiment of the present invention, the photovoltaic element includes at least one photovoltaic cell;

[0012] When there are multiple photovoltaic cells, the photovoltaic element is a photovoltaic cell string in which multiple photovoltaic cells are electrically connected.

[0013] According to at least one embodiment of the present invention, it further includes a window frame and two sets of first limiting members disposed on the window frame. Each set of first limiting members includes two first limiting members, and the two first limiting members in the same set are respectively close to the bottom wall and the top wall of the window frame.

[0014] Each of the first limiting members has a first elongated groove, and the two ends of each of the first supporting members pass through the two first limiting members of the same group respectively, and are movably disposed in the first elongated groove along the vertical direction and the first direction;

[0015] The first direction refers to the distribution direction from the first support member to the second support member in the frame structure.

[0016] According to at least one embodiment of the present invention, it further includes two linear motion mechanisms disposed on the window frame, each of the linear motion mechanisms being connected in transmission to the corresponding first support member;

[0017] The linear motion mechanism moves along the vertical direction.

[0018] According to at least one embodiment of the present invention, it further includes two sets of second limiting members disposed on the window frame, each set of second limiting members including two second limiting members, the two second limiting members of the same set being close to the bottom wall and the top wall of the window frame respectively;

[0019] Each of the second limiting members has a second elongated groove, and the two ends of each of the second supporting members pass through the two second limiting members of the same group and are movably disposed in the second elongated groove along the first direction.

[0020] According to at least one embodiment of the present invention, each of the linear motion mechanisms includes at least one shift fork, and each of the first support members includes at least one shift lever.

[0021] Each of the levers is located in a slot of the corresponding fork.

[0022] According to at least one embodiment of the present invention, each of the second support members is fixedly disposed in the window frame.

[0023] According to at least one embodiment of the present invention, the connector is a flexible structural component; or,

[0024] The connector is a rigid structural component, with one end hinged to the first support and the other end hinged to the second support.

[0025] According to at least one embodiment of the present invention, the connector is a metal wire or a structural component covered with a conductive film; and / or,

[0026] At least a portion of the connectors are electrically connected via wires disposed on the first or second support member; or,

[0027] At least a portion of the connectors form an electrical connection through a conductive film covering the first support or the second support.

[0028] According to at least one embodiment of the present invention, it further includes a first glass and a second glass disposed in the window frame, wherein both the first glass and the second glass are located on the indoor side of the photovoltaic element;

[0029] The first glass, the second glass, and a portion of the window frame form a vacuum-sealed soundproof cavity; and / or,

[0030] It also includes a second glass and a third glass disposed in the window frame, wherein the second glass is located on the indoor side of the photovoltaic element and the third glass is located on the outdoor side of the photovoltaic element;

[0031] The third glass, the second glass, and a portion of the window frame form a photovoltaic cavity that houses the frame structure and the photovoltaic element, and the photovoltaic cavity is filled with an inert gas.

[0032] In one or more technical solutions provided in the exemplary embodiments of this utility model, at least one of the following beneficial effects can be achieved.

[0033] The photovoltaic louver of this exemplary embodiment features multiple photovoltaic elements arranged sequentially between two frame structures. Specifically, the frame structure includes a first support member and a second support member, with multiple connectors forming a ladder-shaped frame structure between them. Through electrical connections between the connectors, the photovoltaic elements can be electrically connected. Depending on the optimization of power generation performance, all connectors on each frame structure can be electrically connected, or a portion of the connectors on each frame structure can be electrically connected while another portion is electrically isolated. This allows for parallel, series-to-parallel, or parallel-to-series electrical connections between the photovoltaic elements, thus enabling better adaptation to electrical equipment.

[0034] In the frame structure, by adjusting the relative positions of the first and second support members, i.e., changing the tilt angle of the connectors, the connectors cause the photovoltaic elements to change their tilt angle. This allows for both light collection and power generation while supporting the photovoltaic elements. Compared to existing technologies that involve drilling holes in the photovoltaic laminate and threading pull wires, the frame structure, located at both ends of the photovoltaic elements, does not obstruct them, thus improving power generation efficiency. Furthermore, unlike pull wires which can cause collision damage to the photovoltaic elements, the supporting function of the frame structure keeps each photovoltaic element in a relatively fixed position, preventing collisions between them.

[0035] Furthermore, the three-dimensional network circuit structure formed by the electrical connections between photovoltaic elements through the frame structure's connectors overcomes the problem of line overlap in two-dimensional circuit structures when series or series / parallel connections are required. Line overlap is typically electrically isolated using insulating adhesive, but as the material ages, insulation failure can lead to short circuits. Therefore, the three-dimensional circuit structure avoids the problem of line overlap, thereby preventing short circuits due to insulation failure.

[0036] Based on this, the series-parallel structure of photovoltaic elements in the photovoltaic louver of the exemplary embodiment of this utility model can more flexibly match current and voltage, thereby adapting to electrical equipment and achieving higher reliability. Attached Figure Description

[0037] The accompanying drawings illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the principles of the present invention. These drawings are included to provide a further understanding of the present invention and are incorporated in and constitute a part of this specification.

[0038] Figure 1 This is an isometric structural schematic diagram of a photovoltaic louver according to an embodiment of the present invention;

[0039] Figure 2 This is a schematic diagram of the structure of a photovoltaic element according to an embodiment of the present invention;

[0040] Figure 3 This is a side view structural schematic diagram of a photovoltaic louver according to an embodiment of the present invention;

[0041] Figure 4 This is a side view structural schematic diagram of a photovoltaic louver (with a sound insulation cavity) according to an embodiment of the present invention;

[0042] Figure 5 This is a top view schematic diagram of the frame structure and limiting part according to an embodiment of the present utility model;

[0043] Figure 6This is an isometric structural schematic diagram of a photovoltaic louver (parallel) according to an embodiment of the present invention;

[0044] Figure 7 This is a circuit diagram of a photovoltaic louver (parallel) according to an embodiment of the present invention, wherein (a) is the left frame structure, (b) is the parallel circuit, and (c) is the right frame structure;

[0045] Figure 8 This is an isometric structural schematic diagram of a photovoltaic louver (parallel first, then series) according to an embodiment of the present invention.

[0046] Figure 9 This is a circuit diagram of a photovoltaic louver (parallel-to-series) according to an embodiment of the present invention, wherein (a) is the left frame structure, (b) is the parallel-to-series circuit, and (c) is the right frame structure.

[0047] Figure 10 This is an isometric structural schematic diagram of a photovoltaic louver (series followed by parallel) according to an embodiment of the present invention.

[0048] Figure 11 This is a circuit diagram of a photovoltaic louver (series-to-parallel) according to an embodiment of the present invention, wherein (a) is the left frame structure, (b) is the series-to-parallel circuit, and (c) is the right frame structure.

[0049] Reference numerals: 11, First support member; 111, Toggle lever; 12, Second support member; 13, Push-pull button; 131, Flexible film; 14, Toggle fork; 15, Connector;

[0050] 20. Photovoltaic components; 21. Photovoltaic cells; 22. Solder strips;

[0051] 30. Window frame; 31. First glass; 32. Second glass; 33. Third glass; 34. Top wall; 35. Bottom wall; 361. First limiting member; 361a. First elongated groove; 362. Second limiting member; 362a. Second elongated groove. Detailed Implementation

[0052] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0053] In photovoltaic (PV) louvers, photovoltaic laminates are typically used as the louvers, and the angle of the louvers is adjusted by drilling holes in the PV laminate and threading pull wires through them. Compared to drilling holes in the PV cells, drilling holes in the PV laminate reduces the risk of PV cell breakage; however, it results in greater weight and higher cost. Using holes in the PV cells to connect the wires and pull wires also easily causes PV cell breakage during stacking and lifting. Furthermore, using pull wires to stack the louvers, since the connecting wires are typically two-dimensional circuits, makes it difficult to avoid overlapping of the connecting wires, which can easily lead to insulation wear, short circuits, and failure during use.

[0054] To address the aforementioned issues, the photovoltaic louver provided in the exemplary embodiment of this utility model places the photovoltaic elements between two frame structures, enabling the frame structures to support and electrically connect each photovoltaic element. This avoids the problem of damage caused by drilling holes and threading wires into the photovoltaic elements. Furthermore, the circuit structure on the frame structure is a three-dimensional structure, preventing the overlapping of connecting wires and the resulting aging and short circuits that can occur with two-dimensional series or parallel connections. The frame structure also does not obstruct light, thus improving power generation efficiency.

[0055] Figure 1 This is an isometric structural schematic diagram of a photovoltaic louver according to an embodiment of the present invention; Figure 6 This is an isometric structural schematic diagram of a photovoltaic louver (parallel) according to an embodiment of the present invention. Figure 1 and Figure 6 As shown, the photovoltaic louver provided in the exemplary embodiment of this utility model includes two opposing frame structures and multiple photovoltaic elements 20. The frame structure includes multiple connectors 15 and opposing first support members 11 and second support members 12, wherein the two ends of the connectors 15 are respectively connected to the first support member 11 and the second support member 12; the two ends of each photovoltaic element 20 are electrically connected to the corresponding connectors 15 of the two frame structures; in the same frame structure, at least a portion of the connectors 15 are electrically connected; by adjusting the relative positions of the first support member 11 and the second support member 12 in the same frame structure, the tilt angle of the photovoltaic element 20 is adjustable.

[0056] In practical applications, the photovoltaic element 20 and the frame structure of the photovoltaic louver are set in the window frame 30. The two frame structures are respectively set at both ends of the photovoltaic element 20 to support and electrically connect the photovoltaic element 20. The relative position between the first support member 11 and the corresponding second support member 12 can be adjusted to change the tilt angle of the photovoltaic element 20, thereby adjusting the light entering the room and having the ability to generate electricity.

[0057] Specifically, a first support member 11 and a second support member 12 of a frame structure are arranged opposite to each other, and a plurality of connectors 15 are connected between them. These connectors 15 are arranged sequentially along the vertical direction and correspond one-to-one with photovoltaic elements 20. That is, one connector 15 in each of the two frame structures corresponds to both ends of a photovoltaic element 20. The ends of the photovoltaic elements 20 can be electrically connected to the corresponding connectors 15. Different photovoltaic elements 20 can form parallel or series / parallel circuits through the multiple electrically connected connectors 15.

[0058] Each photovoltaic element 20 is physically connected to a corresponding connector 15 and can be supported on two corresponding connectors 15 on different frame structures. The first support 11 and the second support 12 in the two frame structures are located near the four corners of the photovoltaic element 20. Therefore, when the relative positions of the first support 11 and the second support 12 are adjusted, the tilt angle of the connector 15 changes, which in turn can drive the photovoltaic element 20 to change its tilt angle, thus achieving the shielding of the outside by the louvers.

[0059] Compared to existing technologies that use lifting wires to pass through photovoltaic elements 20, this exemplary embodiment of the invention employs a frame structure to support and adjust the tilt angle of the photovoltaic elements 20. Since the relative positions of each photovoltaic element 20 are fixed, the risk of collision and damage caused by stacking the photovoltaic elements 20 can be avoided, as well as the risk of the lifting wires obstructing the photovoltaic elements 20 and causing hot spots. Simultaneously, the use of a frame structure for electrical connections between the connectors 15 allows for three-dimensional circuitry, avoiding the unavoidable line overlap in two-dimensional circuits connected in series or parallel in existing technologies, resulting in higher reliability.

[0060] Furthermore, since there is no need to drill holes in the photovoltaic element 20, the photovoltaic cell 21 can be used directly without considering the risk of breakage caused by drilling. As a result, compared to photovoltaic laminates or photovoltaic modules, using the photovoltaic cell 21 results in a lighter photovoltaic element 20 with lower cost.

[0061] Figure 2 This is a schematic diagram of the structure of a photovoltaic element according to an embodiment of the present invention. (For example...) Figure 2 As shown, the photovoltaic element 20 includes at least one photovoltaic cell 21; when there are multiple photovoltaic cells 21, the photovoltaic element 20 is a photovoltaic cell string in which multiple photovoltaic cells 21 are electrically connected.

[0062] In practical applications, a single louver, or photovoltaic element 20, can be a single photovoltaic cell 21. A photovoltaic element 20 is formed by cutting a large-area cell into strips of suitable size. Solder ribbons 22 extend from both ends of the photovoltaic cell 21 to form electrical connections with corresponding connectors 15 of the two frame structures. It can be understood that the solder ribbon 22 extending from one end of the photovoltaic cell 21 is the positive electrode, and the solder ribbon 22 extending from the other end is the negative electrode.

[0063] For example, the number of solder ribbons 22 on the photovoltaic cell 21 is determined according to actual needs. For example, there can be four solder ribbons 22, six solder ribbons 22 or more. When there are six solder ribbons 22 on the photovoltaic cell 21, three solder ribbons 22 are positive electrodes led out from one end of the photovoltaic cell 21, and the other three solder ribbons 22 are negative electrodes led out from the other end of the photovoltaic cell 21.

[0064] Continue as Figure 2 As shown, the photovoltaic element 20 is a photovoltaic cell string formed by multiple electrically connected photovoltaic cells 21. Taking a photovoltaic cell string formed by three electrically connected photovoltaic cells 21 as an example, the middle photovoltaic cell 21 has three solder strips 22 on its front and back sides, extending from its two ends respectively. The extended portion of the solder strip 22 on the front side is electrically connected to the back side of one photovoltaic cell 21, and the extended portion of the solder strip 22 on the back side is electrically connected to the front side of the photovoltaic cell 21 on the other side. The three solder strips 22 on the photovoltaic cells on both sides that are not shared with the middle photovoltaic cell 21 also extend from their ends to form electrical connections with the corresponding connectors 15.

[0065] It is understandable that the photovoltaic element 20 can also be a photovoltaic laminate or a photovoltaic laminate string formed by multiple photovoltaic laminates. When the photovoltaic element 20 is a photovoltaic laminate string, similar to the connection between the photovoltaic cell strings mentioned above, the photovoltaic cells 21 in the photovoltaic laminate are electrically connected by the solder ribbon 22, thereby forming a photovoltaic laminate string as a louver of a louver.

[0066] Since the circuit of the exemplary embodiment of this utility model can be arranged on the frame structure to form a three-dimensional network circuit structure, multiple photovoltaic elements 20 can be connected in series and parallel, thereby optimizing power generation performance and better adapting to electrical equipment.

[0067] For example, photovoltaic cell strings can form a fully parallel structure, a parallel-then-series structure, or a series-then-parallel structure.

[0068] Figure 6 This is an isometric structural schematic diagram of a photovoltaic louver (parallel) according to an embodiment of the present invention; Figure 7This is a circuit diagram of a photovoltaic louver (parallel) according to an embodiment of the present invention, wherein (a) is the left frame structure, (b) is the parallel circuit, and (c) is the right frame structure. Figure 6 and Figure 7 As shown, the first support member 11 and the second support member 12 of the frame structure can be rigid insulating rods, which can be electrically insulating polyester fiber, resin fiber, or metal material with deposited insulating layer, etc. The connector 15 can be a conductive metal strip / wire. The connector 15 can also be an insulating rod or insulating wire with a conductive metal film on its surface. The conductive metal film, metal strip / wire can be made of copper, silver, or other metal alloys with strong conductivity, etc.

[0069] The various connectors 15 can be electrically connected by metal wires provided in the first support member 11 and / or the second support member 12, or by covering the corresponding parts of the first support member 11 and / or the second support member 12 with a conductive metal film.

[0070] In an exemplary embodiment of this invention, within the same frame structure, the first support member 11 and the second support member 12 are electrically connected at the portions between the top connector 15 and the bottom connector 15, thereby forming a fully parallel circuit structure. The positive terminals of each photovoltaic cell string are located on the left side, and the negative terminals are located on the right side. Exemplarily, current can be drawn out through circuit input terminals and circuit output terminals on both frame structures.

[0071] Figure 8 This is an isometric structural schematic diagram of a photovoltaic louver (parallel first, then series) according to an embodiment of the present invention. Figure 9 This is a circuit diagram of a photovoltaic louver (parallel-to-series) according to an embodiment of the present invention, wherein (a) is the left frame structure, (b) is the parallel-to-series circuit, and (c) is the right frame structure. Figure 8 and Figure 9 As shown, from top to bottom, three photovoltaic cell strings form a group, and the three photovoltaic cell strings in the same group form a parallel circuit structure. The photovoltaic cell strings in each group form a series circuit structure. The positive and negative terminals of each group of photovoltaic cell strings alternate in the left and right directions. The left side of the top group of photovoltaic cell strings is the positive terminal, and the right side of the bottom group of photovoltaic cell strings is the negative terminal. In this way, the current is led out through the circuit input terminal and the circuit output terminal on the two frame structures.

[0072] Figure 10 This is an isometric structural schematic diagram of a photovoltaic louver (series followed by parallel) according to an embodiment of the present invention. Figure 11 This is a circuit diagram of a photovoltaic louver (series-to-parallel) according to an embodiment of the present invention, wherein (a) is the left frame structure, (b) is the series-to-parallel circuit, and (c) is the right frame structure. Figure 10 and Figure 11 As shown, from top to bottom, three photovoltaic cell strings form a group, and the three photovoltaic cell strings in the same group form a series circuit structure. In the same group of photovoltaic cell strings, the negative terminal of the first photovoltaic cell string is connected to the positive terminal of the middle photovoltaic cell string, and the negative terminal of the middle photovoltaic cell string is connected to the positive terminal of the third photovoltaic cell string. The series structure of each group of photovoltaic cell strings is the same. The positive terminals of each group of photovoltaic cell strings are connected to the frame structure on the left, and the negative terminals of each group of photovoltaic cell strings are connected to the frame structure on the right, thereby leading the current out through the circuit input terminal and the circuit output terminal.

[0073] It should be noted that, in order to achieve electrical isolation between the connectors 15 in the frame structure, the conductive wires or conductive films can be disconnected at the following locations according to the actual circuit diagram: a portion of the connector 15, a portion of the first support 11, and a portion of the second support 12.

[0074] Figure 3 This is a side view structural schematic diagram of a photovoltaic louver according to an embodiment of the present invention; Figure 5 This is a top view schematic diagram of the frame structure and limiting part according to an embodiment of the present utility model. (In conjunction with...) Figure 1 , Figure 3 and Figure 5 As shown, the photovoltaic louver of the exemplary embodiment of this utility model also includes a window frame 30 and two sets of first limiting members 361 disposed on the window frame 30. Each set of first limiting members 361 includes two first limiting members 361, and the two first limiting members 361 in the same set are respectively close to the bottom wall 35 and the top wall 34 of the window frame 30. Each first limiting member 361 has a first elongated groove 361a. The two ends of each first support member 11 pass through the two first limiting members 361 in the same set and are movably disposed in the first elongated groove 361a along the vertical direction and the first direction. The first direction refers to the distribution direction from the first support member 11 to the second support member 12 in the frame structure.

[0075] In practical applications, two sets of first limiting members 361 are installed inside the window frame 30 on the side closer to the interior. Each set of first limiting members 361 is used to limit the corresponding first support member 11. The extension direction of the first elongated groove 361a is the first direction, which allows the first support member 11 to move in the vertical direction while under the constraint of the connector 15 and the second support member 12, and thus change the tilt angle of the connector 15.

[0076] For example, the first support member 11 also has limiting protrusions at both ends that are larger than the size of the first elongated groove 361a, so that the first support member 11 will not fall out of the first elongated groove 361a when it moves in the vertical direction.

[0077] In some embodiments, the photovoltaic louver also includes two linear motion mechanisms disposed on the window frame 30, each linear motion mechanism being connected to a corresponding first support member 11 in a transmission manner; the linear motion mechanisms move in a vertical direction.

[0078] like Figure 1 and Figure 3 As shown, the linear motion mechanism may include a push-pull button 13 movably mounted on the window frame 30. The push-pull button 13 can drive the corresponding first support member 11 to move up and down through the fork 14. At the same time, the contact surface between the push-pull button 13 and the window frame 30 has a rough surface, which can keep the fixed position after being pushed or pulled into place. The rough surface can be a raised strip, and the window frame 30 is provided with multiple grooves. The raised strip can be locked in the groove to keep the fixed position.

[0079] In some implementations, such as Figure 3 and Figure 6 As shown, the number of shift forks 14 can be multiple, the same as the number of connectors 15 in the frame structure. Each first support member 11 is provided with multiple levers 111, each lever 111 being positioned in a slot of a corresponding shift fork 14. The lever 111 extends from the first support member 11 away from another first support member 11 and into the slot of the corresponding shift fork 14. This implementation of multiple shift forks 14 and levers 111 allows each louver to receive a uniform pushing / pull force from the push-pull button 13. Especially when the connectors 15 of the frame structure are flexible busbars or metal wires, the transmission method of multiple shift forks 14 and levers 111 allows the tilt angles of each louver to tend to be consistent.

[0080] In other embodiments, the linear motion mechanism may include a hydraulic cylinder, a pneumatic cylinder, a servo electric cylinder, etc., and its telescopic end may be connected to the fork 14 to drive the first support member 11 to move vertically. The servo electric cylinder may be connected to the circuit of the photovoltaic element, so that the electricity generated by the photovoltaic element drives the telescopic end of the servo electric cylinder to extend or retract, thereby utilizing the electricity generated by the photovoltaic louvers themselves without the need for an external power source, making the structure simpler. At the same time, the automated action of the servo electric cylinder can also realize remote control of the photovoltaic louvers.

[0081] For example, the connector 15 can be a flexible structural member or a rigid structural member, with its two ends hinged to the first support member 11 and the second support member 12 respectively to change its tilt angle.

[0082] In some embodiments, the second support member 12 can be fixedly disposed within the window frame 30. Considering that using the latching method of the fork 14 and the lever 111 would limit the range of motion of the first support member 11 in the first direction, the second support member 12 can also be configured to be movable along the first direction.

[0083] like Figure 5 As shown, the photovoltaic louver also includes two sets of second limiting members 362 disposed on the window frame 30. Each set of second limiting members 362 includes two second limiting members 362. The two second limiting members 362 of the same set are close to the bottom wall 35 and the top wall 34 of the window frame 30, respectively. Each second limiting member 362 has a second elongated groove 362a. The two ends of each second support member 12 pass through the two second limiting members 362 of the same set and are movably disposed in the second elongated groove 362a along the first direction.

[0084] In practical applications, the cooperation relationship between the second support member 12 and the second limiting member 362 is similar to the cooperation relationship between the first support member 11 and the first limiting member 361. The difference is that the second support member 12 does not need to move up and down in the second limiting member 362, but only moves closer to or away from the first support member 11 along the extension direction of the second elongated groove 362a.

[0085] For example, the two ends of the second support member 12 also have limiting protrusions to prevent the second support member 12 from dislodging from the second elongated groove 362a of the second limiting member 362.

[0086] Understandably, since the second support member 12 is a driven member, it can be a flexible member or a rigid rod. Therefore, the main body material of the second support member 12 and the connecting member 15 in the frame structure can be a flexible insulating material, such as polyvinyl alcohol (PVA), polyester (PET), polyimide (PI), polyethylene naphthalate (PEN), etc.

[0087] Figure 4 This is a side view structural diagram of a photovoltaic louver (with a sound insulation cavity) according to an embodiment of the present invention. Figure 4 As shown, the photovoltaic louver also includes a first glass 31 and a second glass 32 installed on the window frame 30. Both the first glass 31 and the second glass 32 are located on the indoor side of the photovoltaic element 20. The first glass 31, the second glass 32 and a part of the window frame 30 form a vacuum soundproof cavity.

[0088] To improve the sound insulation performance of photovoltaic louvers, a vacuum chamber is formed by drawing a vacuum through the cavity between the first glass 31 and the second glass 32 on the indoor side of the window frame.

[0089] When the first support member 11 is pushed or pulled vertically using the push-pull button 13, a transmission rod is provided on the side of the push-pull button 13 facing the window frame 30. The window frame 30 needs to be provided with a through hole at the position of the push-pull button 13 for the transmission rod to pass through, so that the transmission rod can be physically connected to the fork 14. Based on this, a flexible adhesive film 131, such as a rubber film, is provided in the through hole of the window frame 30 to seal the through hole, so that the transmission rod can pass through the sound insulation cavity in a sealed manner.

[0090] Continue as Figure 4 As shown, the photovoltaic louver also includes a third glass 33 disposed on the window frame 30, the third glass 33 being located on the outdoor side of the photovoltaic element 20; the third glass 33, the second glass 32, and a portion of the window frame 30 form a photovoltaic cavity that accommodates the frame structure and the photovoltaic element 20, the photovoltaic cavity being filled with inert gas.

[0091] Since the photovoltaic element 20 of the exemplary embodiment of this utility model can be directly in the form of photovoltaic cell 21 and solder ribbon 22, filling the photovoltaic cavity with nitrogen or inert gas can protect the photovoltaic cell 21 and improve the service life of the photovoltaic cell 21.

[0092] Based on this, the photovoltaic louver, which combines a photovoltaic cavity and a sound insulation cavity, can not only solve the sound insulation problem, but also scatter the heat generated by the photovoltaic element 20 to the outside through the heat conduction of the gas in the photovoltaic cavity, thereby preventing heat accumulation from reducing the lifespan of the photovoltaic cell 21.

[0093] For example, the first glass 31 can be a light-transmitting soundproof panel. The third glass 33 can be a UV-blocking glass or have a UV-blocking film coated on the outside side of the glass, which can further reduce the damage of ultraviolet light to the photovoltaic cell 21.

[0094] An exemplary embodiment of this utility model also provides a method for manufacturing a photovoltaic louver, which may include the following steps:

[0095] Step S1: Fabricate a single photovoltaic louver;

[0096] A large-area photovoltaic cell 21 is cut into multiple long strip photovoltaic cells 21 of the same size; the long strip photovoltaic cells 21 are connected by welding ribbons 22 as needed to form a photovoltaic cell string;

[0097] Step S2: Weld bypass diodes onto the conductive busbars of the frame structure; whereby, when some solar cells are shaded or malfunction, the bypass diodes can prevent reverse current from flowing through the damaged solar cells, avoiding damage due to overheating, while ensuring that other normally functioning solar cells continue to generate electricity, thereby reducing power loss and extending the service life of photovoltaic solar cells.

[0098] Step S3: Weld multiple photovoltaic louvers to the conductive busbars on the frame structure according to the circuit diagram;

[0099] Step S4: Solder the conductive busbars on the frame structure to the circuit input terminals and circuit output terminals;

[0100] Step S5: Assemble the first support member 11 of the frame structure with a corresponding set of first limiting members 361, and assemble the second support member 12 with a corresponding set of second limiting members 362;

[0101] Step S6: After the circuit input terminals and circuit output terminals are fixedly connected to the window frame 30, seal them with sealant.

[0102] Step S7: The transmission rod on the push-pull button 13 passes through the through hole of the window frame 30 and forms a physical connection with the shift fork 14, while the shift rod 111 on the first support member 11 is set in the slot of the corresponding shift fork 14, thereby forming a transmission connection between the push-pull button 13 and the first support member 11, and a rubber membrane is set at the corresponding part of the push-pull button 13 and the through hole of the window frame 30 to form a sealed connection.

[0103] Step S8: Install the first glass 31, the second glass 32 and the third glass 33 inside the window frame 30 and seal them with a sealing ring;

[0104] Step S9: Vacuum the photovoltaic cavity through the pre-drilled hole on the window frame 30, inject inert gas, and then seal it. Vacuum the soundproof cavity and then seal it.

[0105] Those skilled in the art should understand that the above embodiments are merely for clearly illustrating the present invention and are not intended to limit the scope of the present invention. Those skilled in the art can make other changes or modifications based on the above disclosure, and these changes or modifications still fall within the scope of the present invention.

Claims

1. A photovoltaic louver, characterized in that, It includes two opposing frame structures and multiple photovoltaic elements. The frame structure includes multiple connectors and opposing first and second supports, wherein the two ends of the connectors are respectively connected to the first and second supports. Each of the photovoltaic elements is electrically connected at both ends to the corresponding connectors of the two frame structures; In the same frame structure, at least a portion of the connectors are electrically connected; The tilt angle of the photovoltaic element can be adjusted by adjusting the relative positions of the first support member and the second support member in the same frame structure.

2. The photovoltaic louver according to claim 1, characterized in that, The photovoltaic element includes at least one photovoltaic cell; When there are multiple photovoltaic cells, the photovoltaic element is a photovoltaic cell string in which multiple photovoltaic cells are electrically connected.

3. The photovoltaic louver according to claim 1, characterized in that, It also includes a window frame and two sets of first limiting members disposed on the window frame. Each set of first limiting members includes two first limiting members, and the two first limiting members in the same set are respectively close to the bottom wall and the top wall of the window frame. Each of the first limiting members has a first elongated groove, and the two ends of each of the first supporting members pass through the two first limiting members of the same group respectively, and are movably disposed in the first elongated groove along the vertical direction and the first direction; The first direction refers to the distribution direction from the first support member to the second support member in the frame structure.

4. The photovoltaic louver according to claim 3, characterized in that, It also includes two linear motion mechanisms disposed in the window frame, each of which is connected to the corresponding first support member in a transmission manner; The linear motion mechanism moves in the vertical direction.

5. The photovoltaic louver according to claim 4, characterized in that, It also includes two sets of second limiting members provided in the window frame. Each set of second limiting members includes two second limiting members. The two second limiting members in the same set are respectively close to the bottom wall and the top wall of the window frame. Each of the second limiting members has a second elongated groove, and the two ends of each of the second supporting members pass through the two second limiting members of the same group and are movably disposed in the second elongated groove along the first direction.

6. The photovoltaic louver according to claim 4, characterized in that, Each of the linear motion mechanisms includes at least one shift fork, and each of the first support members includes at least one shift lever; Each of the levers is located in a slot of the corresponding fork.

7. The photovoltaic louver according to claim 4, characterized in that, Each of the second support members is fixedly installed in the window frame.

8. The photovoltaic louver according to any one of claims 1-7, characterized in that, The connector is a flexible structural component; or... The connector is a rigid structural component, with one end hinged to the first support and the other end hinged to the second support.

9. The photovoltaic louver according to claim 8, characterized in that, The connector is a metal wire or a structural component covered with a conductive film; and / or, At least a portion of the connectors are electrically connected via wires disposed on the first or second support member; or, At least a portion of the connectors form an electrical connection through a conductive film covering the first support or the second support.

10. The photovoltaic louver according to any one of claims 3-7, characterized in that, It also includes a first glass and a second glass disposed in the window frame, both of which are located on the indoor side of the photovoltaic element; The first glass, the second glass, and a portion of the window frame form a vacuum-sealed soundproof cavity; and / or, It also includes a second glass and a third glass disposed in the window frame, wherein the second glass is located on the indoor side of the photovoltaic element and the third glass is located on the outdoor side of the photovoltaic element; The third glass, the second glass, and a portion of the window frame form a photovoltaic cavity that houses the frame structure and the photovoltaic element, and the photovoltaic cavity is filled with an inert gas.

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