Exposed frame photovoltaic curtain wall

By setting traces and covers on the columns and beams of the photovoltaic curtain wall to hide the photovoltaic cables, the problem of exposed photovoltaic cables is solved and the stability and maintenance of photovoltaic modules are improved.

CN222602380UActive Publication Date: 2025-03-11丝路阳光(厦门)新能源有限公司
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Patent Information

Application Number
CN202420941453.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-03-11
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

In existing photovoltaic curtain wall systems, most photovoltaic cables are exposed outside the curtain wall frame, which affects the aesthetics of the building and has hidden dangers of installation. It is difficult to repair quickly when the photovoltaic module fails.

Method used

A bright-frame photovoltaic curtain wall is designed, with wiring troughs on columns and beams, photovoltaic cables are provided in the grooves, and covers are provided to hide cables. The cables are electrically connected to the photovoltaic panels through junction boxes.

Benefits of technology

The hidden construction of photovoltaic cables is realized, the exposure of electronic equipment is avoided, the invasion of rain, wind, sand and dust is reduced, and the maintenance and stability of photovoltaic modules are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an exposed frame photovoltaic curtain wall which is installed on a building and comprises a curtain wall structure frame composed of stand columns and cross beams, the stand columns and the cross beams are provided with wiring grooves, and groove openings of the wiring grooves are provided with cover plates. The photovoltaic module comprises a photovoltaic panel and a junction box arranged on one side of the photovoltaic panel, a photovoltaic cable is arranged in the wiring groove, the photovoltaic cable is electrically connected to the photovoltaic panel through the junction box in a penetrating mode, and the photovoltaic cable is matched with the cover plate through the space in the wiring groove to achieve hidden wiring.
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Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic curtain walls, in particular to an exposed frame photovoltaic curtain wall. Background Art

[0002] The photovoltaic curtain wall system is to install photovoltaic modules on the outside of the building wall, so as to achieve the effective combination of photovoltaic modules and the building wall, so as to improve the space utilization rate of the building, and to use photovoltaic modules to power the interior of the building nearby. Among them, multiple columns are installed and fixed on the outside of the building wall, and multiple beams are fixed on the columns. In this way, the columns and beams form a support frame, and then the photovoltaic modules and transparent glass are installed and fixed on the support frame to form the external photovoltaic curtain wall system of the building.

[0003] Most of the cables inside conventional photovoltaic curtain walls are exposed outside the curtain wall frame, which not only affects the beauty of the building, but also poses certain installation risks. In photovoltaic power generation systems, photovoltaic modules are connected in series and parallel in the form of strings. When one module fails and forms a short circuit, the other modules connected to it cannot work normally at the same time, and it is difficult to quickly repair damaged photovoltaic modules. Therefore, it is urgent to solve the hidden construction of photovoltaic cables. In the existing photovoltaic curtain wall technology, the wiring is often exposed, or the wiring is routed through an external bridge, resulting in safety hazards. Utility Model Content

[0004] In view of the shortcomings of the background technology, the purpose of the present invention is to provide an exposed frame photovoltaic curtain wall.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A visible frame photovoltaic curtain wall is installed on a building, comprising a frame consisting of columns and beams, characterized in that the columns and the beams are provided with wiring troughs; it also includes a photovoltaic assembly, the photovoltaic assembly includes a photovoltaic panel and a junction box arranged on one side of the photovoltaic panel, a photovoltaic cable is arranged in the wiring trough, a cover is provided at the notch of the wiring trough to hide the photovoltaic cable, and the photovoltaic cable is electrically connected to the photovoltaic panel through the junction box.

[0007] Furthermore, two ends of the photovoltaic cable are respectively provided with connection terminals, and two adjacent photovoltaic cables are electrically connected via the connection terminals.

[0008] Furthermore, the column includes a column frame and a first mounting portion located on one side of the column frame, a first mounting groove and a first wiring groove are provided on both sides of the first mounting portion, and the first wiring groove is provided with an adaptive first cover plate; the photovoltaic cable is provided in the groove of the first wiring groove, and one side of the photovoltaic panel is provided in the first mounting groove.

[0009] Furthermore, a first through hole is provided between the first installation groove and the first wiring groove, a protective ring is provided on the first through hole, and the photovoltaic cable is electrically connected to the junction box through the first through hole.

[0010] Furthermore, a connecting hole is provided between the two first wiring grooves on both sides of the first mounting portion.

[0011] Furthermore, the beam includes a beam frame and a second mounting portion located on one side of the beam frame, second mounting grooves and second wiring grooves are provided on both sides of the second mounting portion, and the second wiring groove is provided with a matching second cover plate; the photovoltaic cable is provided in the groove of the second wiring groove, and one side of the photovoltaic panel is provided in the second mounting groove.

[0012] Furthermore, a second through hole is provided between the second installation groove and the second wiring groove, the second through hole is sleeved with a protective ring, and the photovoltaic cable passes through the second through hole from the second wiring groove to the second installation groove.

[0013] Furthermore, the cover plate is provided with an exhaust hole connected to the wiring groove.

[0014] Furthermore, the first mounting portion and the second mounting portion are further provided with a press seat, and the press seat cooperates with the first mounting portion and the second mounting portion respectively to fix the photovoltaic panel, and an adaptive third cover plate is provided on the press seat.

[0015] Furthermore, a first connecting member and a second connecting member are respectively fixed to two adjacent side surfaces of the photovoltaic panel and the beam frame, and the first connecting member and the second connecting member are fixedly connected to each other.

[0016] The beneficial effects of the utility model are:

[0017] 1. The utility model proposes an exposed frame photovoltaic curtain wall, which solves the shortcomings of exposed photovoltaic curtain wall wiring or poor appearance and unsafe wiring using external bridge frames by setting wiring troughs and cover plates. It can avoid electronic equipment from being exposed to the outside, reduce the invasion of rain, wind, sand and dust, and make the operation of electronic equipment more stable and more durable.

[0018] 2. The utility model proposes an exposed frame photovoltaic curtain wall, which can meet the connection requirements of vertical or horizontal wiring of the photovoltaic curtain wall by setting up photovoltaic modules. It is completely suitable for the array installation wiring requirements of different strings of power generation glass, and can be wired in different directions horizontally and vertically.

[0019] 3. The utility model proposes an exposed frame photovoltaic curtain wall, which, through the arrangement of columns and beams, utilizes the wiring troughs of the columns and beams for cable routing, and can expand the size of the trough space as needed. The larger the gap, the more it can cool the heat generated when the photovoltaic cable transmits electricity, thereby reducing the power loss during the transmission of photovoltaic curtain wall power generation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is one of the partial cross-sectional views of an exposed frame photovoltaic curtain wall of the utility model;

[0022] Figure 2 This is the second partial cross-sectional view of an exposed frame photovoltaic curtain wall of the utility model;

[0023] Figure 3 This is a third partial cross-sectional view of an exposed frame photovoltaic curtain wall of the utility model;

[0024] Figure 4 This is an appearance diagram of an exposed frame photovoltaic curtain wall of the utility model;

[0025] Figure 5 It is a cross-sectional view of a column of an exposed frame photovoltaic curtain wall of the utility model;

[0026] Figure 6 It is a cross-sectional view of a pressure seat of an exposed frame photovoltaic curtain wall of the utility model;

[0027] Figure 7 It is a cross-sectional view of a first cover plate of an exposed frame photovoltaic curtain wall of the utility model;

[0028] Figure 8 It is a cross-sectional view of a beam of an exposed frame photovoltaic curtain wall of the utility model;

[0029] Fig. 9 It is a cross-sectional view of a second cover plate of an exposed frame photovoltaic curtain wall of the utility model;

[0030] Fig.10 It is a cross-sectional view of a first connecting member of an exposed frame photovoltaic curtain wall of the utility model;

[0031] Fig.11 It is a cross-sectional view of a second connecting piece of an exposed frame photovoltaic curtain wall of the utility model.

[0032] In the figure, 101, column frame; 102, first mounting part; 1022, first mounting groove; 1021, first wiring groove; 103, first cover plate; 104, first through hole; 201, beam frame; 202, second mounting part; 2022, second mounting groove; 2021, second wiring groove; 203, second through hole; 204, second cover plate; 301, pressure seat; 302, third cover plate; 401, first connecting member; 402, second connecting member; 501, photovoltaic panel; 502, junction box; 503, photovoltaic cable; 504, connecting terminal. DETAILED DESCRIPTION

[0033] Combine the following Figure 1-11 The utility model is described in detail.

[0034] A visible frame photovoltaic curtain wall is installed on a building, including a curtain wall structure frame composed of vertical columns and horizontal beams, each of which is provided with a wiring trough, and the notch of the wiring trough is provided with a cover plate; it also includes a photovoltaic assembly, the photovoltaic assembly includes a photovoltaic panel 501 and a junction box 502 arranged on one side of the photovoltaic panel 501, a photovoltaic cable 503 is arranged in the wiring trough, the photovoltaic cable 503 is electrically connected to the photovoltaic panel 501 through the junction box 502, and the photovoltaic cable 503 is concealedly routed through the space in the wiring trough in conjunction with the cover plate. Furthermore, connection terminals 504 are respectively provided at both ends of the photovoltaic cable 503, and two adjacent photovoltaic cables 503 are electrically connected through the connection terminals 504.

[0035] The light-receiving surfaces of the multiple photovoltaic panels 501 may be located in the same plane; or the light-receiving surfaces of the multiple photovoltaic panels 501 may not all be located in the same plane, that is, the light-receiving surfaces of the multiple photovoltaic modules may be staggered, so that the positions of the multiple photovoltaic modules can be adjusted according to the concave and convex conditions of the building wall. In addition, two adjacent photovoltaic modules can be connected through the connecting terminal 504. The photovoltaic curtain wall system is assembled on the building wall, and the exhaust holes in the columns and beams accelerate the volatilization of the heat generated by the photovoltaic modules to achieve the purpose of cooling, thereby avoiding the concentration of local thermal stress on the photovoltaic modules and the generation of hot spots, ensuring the normal power generation of the photovoltaic modules, and preventing failures and safety hazards.

[0036] In this embodiment, the column includes a column frame 101 and a first mounting portion 102 located on one side of the column frame 101, and first mounting grooves 1022 and first wiring grooves 1021 are provided on both sides of the first mounting portion 102, and the first wiring groove 1021 is provided with a matching first cover plate 103; a photovoltaic cable 503 is provided in the groove of the first wiring groove 1021, and one side of the photovoltaic panel 501 is provided in the first mounting groove 1022.

[0037] Furthermore, a first through hole 104 is provided between the first installation groove 1022 and the first wiring groove 1021, and a protective ring is provided on the first through hole 104, and the photovoltaic cable 503 is electrically connected to the junction box 502 through the first through hole 104. Furthermore, a connecting hole is provided between the two first wiring grooves 1021 on both sides of the first installation portion 102. An elastic protective ring can be provided at the edge of the first through hole 104, which can not only prevent the cable from being scratched, but also play a sealing role to prevent rain, sand and dust from entering the wiring groove structure from the first through hole 104.

[0038] In this embodiment, the crossbeam includes a crossbeam frame 201 and a second mounting portion 202 located on one side of the crossbeam frame 201. The second mounting portion 202 is provided with a second mounting groove 2022 and a second wiring groove 2021 on both sides. The second wiring groove 2021 is provided with an adapted second cover plate 204. A photovoltaic cable 503 is provided in the groove of the second wiring groove 2021, and one side of the photovoltaic panel 501 is provided in the second mounting groove 2022. Furthermore, a second through hole 203 is provided between the second mounting groove 2022 and the second wiring groove 2021, and a protective ring is provided on the second through hole 203. The photovoltaic cable 503 passes through the second through hole 203 from the second wiring groove 2021 to the second mounting groove 2022.

[0039] In addition, a sealing gasket is provided between the photovoltaic panel 501 and the mounting groove. The sealing gasket has waterproof properties, which can prevent the sprayed water from entering the interior of the frame. It can also prevent fire and smoke from entering the interior of the frame in the event of a fire, thereby ensuring the safety of the building and avoiding safety hazards.

[0040] In this embodiment, the cover plate is provided with an exhaust hole connected to the wiring groove. Further, the first mounting portion 102 and the second mounting portion 202 are also provided with a press seat 301, which cooperates with the first mounting portion 102 and the second mounting portion 202 respectively and fixes the photovoltaic panel 501, and an adapted third cover plate 302 is provided on the press seat 301. Further, the photovoltaic panel 501 and the adjacent two sides of the beam frame 201 are respectively fixed with a first connector 401 and a second connector 402, and the first connector 401 and the second connector 402 are fixedly connected to each other through hardware components.

[0041] The pressure seat 301 and the first mounting portion 102 are fixed with bolts or other fasteners; the pressure seat 301 and the second mounting portion 202 are also fixed with bolts or other fasteners, and the pressure seat 301 and the third cover plate 302 are connected by snaps.

[0042] The exhaust holes promote air circulation in the ventilation space, thereby improving the heat dissipation effect of the photovoltaic components. At the same time, a cover plate is detachably connected to the beam frame, and the cavity can be loaded and unloaded and maintained from the sealing plate, which is convenient for actual installation and maintenance operations.

[0043] The above-mentioned first connecting member 401 and second connecting member 402 are both open fan frame type strips. The first connecting member 401 is connected to the beam frame 201 by fasteners such as bolts, and the second connecting member 402 presses the upper side or lower side of the photovoltaic panel 501 through a snap-fit ​​plate, so that the upper and lower sides of the photovoltaic panel 501 are not installed in the second installation groove 2022.

[0044] The first connecting member 401 and the second connecting member 402 can both be made of metal, preferably steel. Steel has high strength and flexibility, is low in cost, and is easy to process and manufacture.

[0045] By adopting columns or beams with internal hollows to form a cavity structure, a through-hole structure suitable for electronic equipment to pass through is set on the side wall of the column or beam, and by adopting a cover plate covering the slot structure that is detachably connected to the wiring trough of the column or beam, it is convenient to place the fixed photovoltaic cable 503 into the slot structure or remove it from the slot structure, thereby avoiding exposure of electronic equipment to the outside and reducing the invasion of rain, wind, sand and dust, making the photovoltaic cable 503 run more stably and more durable. When the electronic equipment needs maintenance, it only needs to remove the cover plate to maintain or disassemble the photovoltaic cable 503 from the opening structure, thereby making the photovoltaic components of the photovoltaic curtain wall more maintainable.

[0046] The photovoltaic panel 501 of the photovoltaic assembly is a square photovoltaic panel 501 . After the square photovoltaic panel 501 is fixed on the curtain wall frame through the pressing seat 301 , the photovoltaic cable can be passed through the first through hole 104 or the second through hole 203 to connect with the square photovoltaic panel 501 .

[0047] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable those skilled in the art to understand the content of the utility model and implement it, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. An exposed frame photovoltaic curtain wall, installed on a building, comprising a frame consisting of columns and beams, characterized in that: The columns and the beams are provided with wiring troughs; the photovoltaic components are also included, and the photovoltaic components include photovoltaic panels and junction boxes arranged on one side of the photovoltaic panels. Photovoltaic cables are arranged in the wiring troughs, and the notches of the wiring troughs are provided with covers to hide the photovoltaic cables. The photovoltaic cables are electrically connected to the photovoltaic panels through the junction boxes.

2. The exposed frame photovoltaic curtain wall according to claim 1, characterized in that: Both ends of the photovoltaic cable are provided with connection terminals respectively, and two adjacent photovoltaic cables are electrically connected through the connection terminals.

3. The exposed frame photovoltaic curtain wall according to claim 1, characterized in that: The column includes a column frame and a first mounting portion located on one side of the column frame, a first mounting groove and a first wiring groove are provided on both sides of the first mounting portion, and the first wiring groove is provided with an adaptive first cover plate; the photovoltaic cable is provided in the groove of the first wiring groove, and one side of the photovoltaic panel is provided in the first mounting groove.

4. The exposed frame photovoltaic curtain wall according to claim 3, characterized in that: A first through hole is provided between the first installation groove and the first wiring groove, a protective ring is provided on the first through hole, and the photovoltaic cable is electrically connected to the junction box through the first through hole.

5. The exposed frame photovoltaic curtain wall according to claim 4, characterized in that: A connecting hole is provided between the two first wiring grooves on both sides of the first mounting portion.

6. The exposed frame photovoltaic curtain wall according to claim 3, characterized in that: The crossbeam includes a crossbeam frame and a second mounting portion located on one side of the crossbeam frame, second mounting grooves and second wiring grooves are provided on both sides of the second mounting portion, and the second wiring groove is provided with a matching second cover plate; the photovoltaic cable is provided in the groove of the second wiring groove, and one side of the photovoltaic panel is provided in the second mounting groove.

7. The exposed frame photovoltaic curtain wall according to claim 6, characterized in that: A second through hole is provided between the second installation groove and the second wiring groove, and a protective ring is provided on the second through hole. The photovoltaic cable passes through the second through hole from the second wiring groove to the second installation groove.

8. The exposed frame photovoltaic curtain wall according to claim 1, characterized in that: The cover plate is provided with an exhaust hole connected to the wiring groove.

9. The exposed frame photovoltaic curtain wall according to claim 6, characterized in that: The first mounting portion and the second mounting portion are further provided with a pressing seat, which cooperates with the first mounting portion and the second mounting portion respectively to fix the photovoltaic panel, and an adaptive third cover plate is provided on the pressing seat.

10. The exposed frame photovoltaic curtain wall according to claim 6, characterized in that: A first connecting member and a second connecting member are respectively fixed to two adjacent side surfaces of the photovoltaic panel and the beam frame, and the first connecting member and the second connecting member are fixedly connected to each other.