Photovoltaic curtain wall with visible vertical part and hidden transverse part

Abstract

A vertically-visible and horizontally-hidden photovoltaic curtain wall comprises a photovoltaic frame, the photovoltaic frame comprises a stand column and a cross beam, an auxiliary frame strip is installed on one side of the cross beam, and the stand column and the auxiliary frame strip are each provided with a wiring groove; 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, a cover plate is arranged at a groove opening of the wiring groove to hide the photovoltaic cable, and the photovoltaic cable is electrically connected to the photovoltaic panel through the junction box. The cover plate is arranged at the groove opening of the wiring groove, so that the problem that wiring of a photovoltaic curtain wall is exposed is solved, the photovoltaic curtain wall is prevented from being exposed and being invaded by rainwater, sand wind and the like, and the photovoltaic curtain wall wiring groove is convenient to maintain, reliable and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic curtain walls, in particular to a vertically visible and horizontally hidden photovoltaic curtain wall. Background Art

[0002] In a photovoltaic curtain wall system, photovoltaic modules are installed on the outer side of a building wall, so as to effectively combine the photovoltaic modules with the building wall, improve the space utilization rate of the building, and be able to supply power to the interior of the building nearby by using the photovoltaic modules. Among them, a plurality of columns are fixedly installed on the outer side of the building wall, and then a plurality of cross beams are fixed on the columns. In this way, a support frame is formed by the columns and the cross beams, and then the photovoltaic modules, transparent glass, etc. are installed and fixed on the support frame to form an external photovoltaic curtain wall system of the building.

[0003] Most of the cables inside the conventional photovoltaic curtain wall are exposed outside the curtain wall frame, which not only affects the beauty of the building but also has certain installation hidden dangers. Summary of the Utility Model

[0004] Aiming at the deficiencies in the background art, the purpose of the utility model is to provide a vertically visible and horizontally hidden photovoltaic curtain wall.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A vertically visible and horizontally hidden photovoltaic curtain wall includes a photovoltaic frame, the photovoltaic frame includes columns and cross beams, a sub-frame strip is installed on one side of the cross beam, and wire grooves are provided on both the columns and the sub-frame strip; it further includes a photovoltaic module, the photovoltaic module includes a photovoltaic panel and a junction box arranged on one side of the photovoltaic panel, a photovoltaic cable is arranged in the wire groove, a cover plate is arranged at the notch of the wire groove to hide the photovoltaic cable, and the photovoltaic cable is electrically connected to the photovoltaic panel through the junction box.

[0007] Further, the photovoltaic cable is connected with a cable terminal, and adjacent two photovoltaic cables are electrically connected through the cable terminal.

[0008] Further, the wire groove includes a first wire groove; the column includes a main frame body of the column and an installation part arranged on one side of the main frame body of the column, installation grooves and the first wire groove are provided on both sides of the installation part, a first through hole is arranged between the installation groove and the first wire groove, one end of the photovoltaic panel is fixed in the installation groove, the photovoltaic cable is arranged in the first wire groove, and the photovoltaic cable passes through the first through hole and penetrates from the first wire groove to the installation groove; a matching first cover plate is further arranged at the notch of the first wire groove.

[0009] Further, a protective sleeve is arranged around the first through hole.

[0010] Further, a pressing seat is detachably connected to one end of the installation part away from the vertical main frame body. One side of the end of the photovoltaic panel is fixed to the installation groove, and the other side of the end of the photovoltaic panel is fixed to the pressing seat.

[0011] Further, at both ends of one side of the cross beam, there are the auxiliary frame bars. An accommodation cavity is formed between the two auxiliary frame bars. The wire trough further includes a second wire trough which is arranged inside the auxiliary frame bar. The auxiliary frame bar is provided with a second through hole communicating the accommodation cavity and the second wire trough. The photovoltaic cable is connected to the junction box through the second through hole; a second cover plate adapted thereto is also provided at the notch of the second wire trough.

[0012] Further, one side of each auxiliary frame bar is buckled to one side of the cross beam, and the other side of each auxiliary frame bar is bonded to the photovoltaic panel.

[0013] Further, the cross beam is threadedly connected with a pressing block, and one of the auxiliary frame bars is buckled at each end of the pressing block.

[0014] Further, the cover plate is provided with a plurality of heat dissipation holes communicating with the wire trough.

[0015] Further, the gap between adjacent photovoltaic panels is filled with a filling part.

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

[0017] 1. A vertical visible and horizontal hidden photovoltaic curtain wall proposed by the present utility model includes a photovoltaic frame. The photovoltaic frame includes columns and cross beams. Auxiliary frame bars are installed on one side of the cross beam. Both the columns and the auxiliary frame bars are provided with wire troughs; it further includes a photovoltaic module. The photovoltaic module includes a photovoltaic panel and a junction box arranged on one side of the photovoltaic panel. A photovoltaic cable is arranged in the wire trough. A cover plate is provided at the notch of the wire trough to hide the photovoltaic cable. The photovoltaic cable is electrically connected to the photovoltaic panel through the junction box. By arranging a cover plate at the notch of the wire trough, the present utility model solves the problem of the exposed wiring of the photovoltaic curtain wall of the curtain wall, avoids its exposure to rain, sand and wind, etc., and is convenient for maintenance, reliable and convenient.

[0018] 2. A vertical visible and horizontal hidden photovoltaic curtain wall proposed by the present utility model, through the setting of the first through hole and the second through hole, meets the connection requirements of the vertical (main form) or horizontal wiring of the photovoltaic curtain wall, fully meets the wiring requirements of the array installation of the power generation glass of different strings, and can wire in different horizontal and vertical directions.

[0019] 3. A vertical visible and horizontal hidden photovoltaic curtain wall proposed by the present utility model, a pressing seat is detachably connected to one end of the installation part away from the vertical main frame body. One side of the end of the photovoltaic panel is fixed to the installation groove, and the other side of the end of the photovoltaic panel is fixed to the pressing seat. The double fixation makes the fixation of the photovoltaic panel more reliable.

[0020] 4. A vertical visible and horizontal hidden photovoltaic curtain wall proposed by the present utility model, through the setting of columns, cross beams and auxiliary frame bars, utilizes the cavity for cable routing, can expand the size of the trough space as needed, and the large gap can cool the heat generated when the photovoltaic cable transmits electricity. This trough-type cable routing can also open heat dissipation holes on the cover plate to further achieve the cooling effect and reduce the power loss during the power generation and transmission of the photovoltaic curtain wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0022] Figure 1 It is a horizontal cross-sectional view of a vertical visible and horizontal hidden photovoltaic curtain wall of the present utility model;

[0023] Figure 2 It is a vertical cross-sectional view of a vertical visible and horizontal hidden photovoltaic curtain wall of the present utility model;

[0024] Figure 3 It is an external view of a vertical visible and horizontal hidden photovoltaic curtain wall of the present utility model;

[0025] Figure 4 It is Figure 1 an enlarged schematic view of part A;

[0026] Figure 5 It is Figure 2 an enlarged schematic view of part B;

[0027] Figure 6 It is a cross-sectional view of a column of a vertical visible and horizontal hidden photovoltaic curtain wall of the present utility model;

[0028] Figure 7 It is a cross-sectional view of the first cover plate of a vertical visible and horizontal hidden photovoltaic curtain wall of the present utility model;

[0029] Figure 8 It is a cross-sectional view of a pressure seat of a vertical visible and horizontal hidden photovoltaic curtain wall of the present utility model;

[0030] Figure 9 It is a cross-sectional view of a decorative cover of a vertical visible and horizontal hidden photovoltaic curtain wall of the present utility model;

[0031] Figure 10 It is a cross-sectional view of a cross beam of a vertical visible and horizontal hidden photovoltaic curtain wall of the present utility model;

[0032] Figure 11 It is a cross-sectional view of an auxiliary frame bar of a vertical visible and horizontal hidden photovoltaic curtain wall of the present utility model;

[0033] In the figure, 10 is a vertical column; 101 is a main vertical frame body; 102 is a mounting part; 1021 is a mounting groove; 1022 is a first wire groove; 1023 is a first through hole; 1024 is a first cover plate; 1025 is a protective sleeve; 103 is a pressing seat; 104 is a decorative cover; 105 is a heat-insulating nylon block; 20 is a cross beam; 201 is a sub-frame strip; 202 is a second wire groove; 203 is a second through hole; 204 is a second cover plate; 205 is a pressing block; 301 is a photovoltaic panel; 302 is a junction box; 303 is a photovoltaic cable; 304 is a cable terminal; 305 is a filling part. Specific embodiments

[0034] The following is combined with Figures 1-11 to describe the present utility model in detail.

[0035] A vertical visible and horizontal hidden photovoltaic curtain wall includes a photovoltaic frame. The photovoltaic frame includes a vertical column 10 and a cross beam 20. A sub-frame strip 201 is installed on one side of the cross beam 20. Both the vertical column 10 and the sub-frame strip 201 are provided with wire grooves. It also includes a photovoltaic module. The photovoltaic module includes a photovoltaic panel 301 and a junction box 302 provided on one side of the photovoltaic panel 301. A photovoltaic cable 303 is arranged in the wire groove, and a cover plate is provided at the notch of the wire groove to hide the photovoltaic cable 303. The photovoltaic cable 303 is electrically connected to the photovoltaic panel 301 through the junction box 302. By providing a cover plate at the notch of the wire groove, the problem of exposed wiring of the photovoltaic curtain wall of the curtain wall is solved, avoiding its exposure to rain, sand and wind, etc., and it is convenient for maintenance, reliable and convenient.

[0036] In this embodiment, the photovoltaic cable 303 is connected with a cable terminal, and two adjacent photovoltaic cables 303 are electrically connected through the cable terminal 304.

[0037] In this embodiment, the wire groove includes a first wire groove 1022; the vertical column 10 includes a main vertical frame body 101 and a mounting part 102 provided on one side of the main vertical frame body 101. Mounting grooves 1021 and a first wire groove 1022 are provided on both sides of the mounting part 102. A first through hole 1023 is provided between the mounting groove 1021 and the first wire groove 1022. One end of the photovoltaic panel 301 is fixed in the mounting groove 1021. The photovoltaic cable 303 is arranged in the first wire groove 1022, and the photovoltaic cable 303 passes through the first through hole 1023 from the first wire groove 1022 to the mounting groove 1021; a matching first cover plate 1024 is also provided at the notch of the first wire groove 1022.

[0038] In this embodiment, a protective sleeve 1025 is provided around the first through hole 1023. Specifically, the protective sleeve 1025 is an insulating rubber ring. The first through hole 1023 is protected by the insulating rubber ring to avoid damage when the photovoltaic cable 303 passes through, and it can also play a sealing role to prevent rain, sand, dust, etc. from entering the wiring groove through the first through hole 1023.

[0039] In this embodiment, a pressure seat 103 is detachably connected to one end of the mounting portion 102 away from the vertical main frame 101. One side of the end of the photovoltaic panel 301 is fixed to the mounting groove 1021, and the other side of the end of the photovoltaic panel 301 is fixed to the pressure seat 103. Specifically, a pressure seat 103 is threadedly connected to one end of the mounting portion 102 away from the vertical main frame 101 by bolts; both sides of the end of the photovoltaic panel 301 are adhesively bonded to the mounting groove 1021 and the pressure seat 103 respectively through sealing strips; a decorative cover 104 is also buckled on the outer side of the pressure seat 103 to hide the traces of the threaded connection between the mounting portion 102 and the pressure seat 103. Preferably, a heat-insulating nylon block 105 is also provided between one end of the mounting portion 102 away from the vertical main frame 101 and the pressure seat 103, and the mounting portion 102, the heat-insulating nylon block 105 and the pressure seat 103 are simultaneously fixed by bolts.

[0040] In this embodiment, auxiliary frame strips 201 are provided at both ends on one side of the cross beam 20. A receiving cavity is formed between the two auxiliary frame strips 201. The wiring groove further includes a second wiring groove 202 provided in the auxiliary frame strip 201. The auxiliary frame strip 201 is provided with a second through hole 203 communicating the receiving cavity and the second wiring groove 202. The photovoltaic cable 303 is connected to the junction box 302 through the second through hole 203; a matching second cover plate 204 is also provided at the notch of the second wiring groove 202. Specifically, an insulating rubber ring is also provided in the second through hole 203; the connection between the cross beam 20 and the column 10 is fixedly connected by bolts, glue, and other common connecting pieces.

[0041] The DC cable of the junction box 302 is connected to the cable terminal after passing through the first through hole 1023 or the second through hole 203, and then connected to the other pole of the same cable terminal of another photovoltaic module, and so on to form a battery string, which can meet the connection requirements of vertical (main form) or horizontal wiring of the photovoltaic curtain wall. To achieve horizontal wiring, a connecting hole is provided for communication between the first wiring grooves 1022 on both sides of the mounting portion 102.

[0042] In this embodiment, one side of each auxiliary frame strip 201 is buckled on one side of the cross beam 20, and the other side of each auxiliary frame strip 201 is adhesively bonded to the photovoltaic panel 301; further, a pressing block 205 is threadedly connected to the cross beam 20, and one auxiliary frame strip 201 is buckled at both ends of the pressing block 205. For reinforcement, the connection between the cross beam 20 and the auxiliary frame strip 201 is adhesively bonded with glue.

[0043] In this embodiment, the cover plate is provided with a plurality of heat dissipation holes communicating with the wire groove. The heat dissipation holes are provided to achieve a cooling effect and reduce the power loss during the power generation and transmission of the photovoltaic curtain wall.

[0044] In this embodiment, the gaps between adjacent photovoltaic panels 301 are filled with a filling portion 305. Specifically, an elongated foam strip is used to fill the gaps to reduce the heat loss caused by the convection of air. The length of the elongated foam strip in the front-back direction covers the rear side of the gaps between the photovoltaic panels 301.

[0045] In this embodiment, the installation method and process of the photovoltaic frame and the photovoltaic panel 301 refer to the prior art and will not be elaborated here.

[0046] The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose is to enable those skilled in the art to understand the content of the present invention and implement it. However, it should not be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A vertically visible and horizontally invisible photovoltaic curtain wall, characterized in that: It includes a photovoltaic frame, which includes a column and a beam, a sub-frame bar is installed on one side of the beam, and the column and the sub-frame bar are both provided with wiring grooves; it also includes a photovoltaic component, which includes a photovoltaic panel and a junction box arranged on one side of the photovoltaic panel, a photovoltaic cable is arranged in the wiring groove, a cover plate is provided at the notch of the wiring groove to hide the photovoltaic cable, and the photovoltaic cable is electrically connected to the photovoltaic panel through the junction box.

2. The vertically visible and horizontally invisible photovoltaic curtain wall according to claim 1, characterized in that: The photovoltaic cables are connected with cable terminals, and two adjacent photovoltaic cables are electrically connected via the cable terminals.

3. The vertically visible and horizontally invisible photovoltaic curtain wall according to claim 1, characterized in that: The wiring trough includes a first wiring trough; the column includes a main frame and a mounting portion arranged on one side of the main frame, mounting grooves and the first wiring trough are arranged on both sides of the mounting portion, a first through hole is arranged between the mounting groove and the first wiring trough, one end of the photovoltaic panel is fixed in the mounting groove, the photovoltaic cable is arranged in the first wiring trough, and the photovoltaic cable is passed from the first wiring trough to the mounting groove through the first through hole; the first wiring trough is also provided with an adaptive first cover plate at the notch.

4. The vertically visible and horizontally invisible photovoltaic curtain wall according to claim 3, characterized in that: A protective sleeve is arranged around the first through hole.

5. The vertically visible and horizontally invisible photovoltaic curtain wall according to claim 3, characterized in that: One end of the mounting portion away from the main frame is detachably connected to a press seat, one side of the photovoltaic panel end is fixed to the mounting groove, and the other side of the photovoltaic panel end is fixed to the press seat.

6. The vertically visible and horizontally invisible photovoltaic curtain wall according to claim 1 or 3, characterized in that: The sub-frame bars are provided at both ends of one side of the crossbeam, and a accommodating cavity is formed between the two sub-frame bars. The wiring trough also includes a second wiring trough, which is provided in the sub-frame bar. The sub-frame bar is provided with a second through hole connecting the accommodating cavity and the second wiring trough, and the photovoltaic cable is connected to the junction box through the second through hole; the second wiring trough is also provided with an adaptive second cover plate at the notch.

7. The vertically visible and horizontally invisible photovoltaic curtain wall according to claim 6, characterized in that: One side of each of the sub-frame bars is buckled to one side of the cross beam, and the other side of each of the sub-frame bars is bonded to the photovoltaic panel.

8. The vertically visible and horizontally invisible photovoltaic curtain wall according to claim 7, characterized in that: The crossbeam is threadedly connected with a pressing block, and two ends of the pressing block are respectively buckled with one of the auxiliary frame bars.

9. The vertically visible and horizontally invisible photovoltaic curtain wall according to claim 1, characterized in that: The cover plate is provided with a plurality of heat dissipation holes connected to the wiring groove.

10. The vertically visible and horizontally invisible photovoltaic curtain wall according to claim 1, characterized in that: The gaps between adjacent photovoltaic panels are filled with a filling part.

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