Photovoltaic curtain wall with wiring in inner cavity

Abstract

A photovoltaic curtain wall with wiring in an inner cavity comprises a photovoltaic frame, the photovoltaic frame comprises stand columns and cross beams, and the stand columns and the cross beams are provided with wiring grooves; 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, an outer buckle 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 stand columns and / or the cross beams are detachably connected with outer cover plates, and the outer cover plates are matched with the stand columns or the cross beams to fix the photovoltaic panels. The outer buckle plate is arranged at the groove opening of the wiring groove, so that the problem that the photovoltaic curtain wall wiring is exposed is solved, the photovoltaic curtain wall wiring is prevented from being exposed and being invaded by rainwater, sand wind and the like, and maintenance is convenient, reliable and convenient; by arranging the outer cover plate, power generation glass assemblies or curtain wall glass can be conveniently installed in a building (indoor), the construction period is shortened, and the manufacturing cost is saved; the utility model is suitable for three different types of photovoltaic curtain walls, i.e., an exposed frame type, a horizontally-exposed and vertically-hidden type, and a vertically-exposed and horizontally-hidden type.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic curtain walls, in particular to a photovoltaic curtain wall with inner cavity wiring. 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 aesthetics of the building, but also poses certain installation risks. Utility Model Content

[0004] In view of the shortcomings of the background technology, the purpose of the utility model is to provide a photovoltaic curtain wall with inner cavity wiring.

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

[0006] A photovoltaic curtain wall with inner cavity wiring comprises a photovoltaic frame, wherein the photovoltaic frame comprises columns and beams, and the columns and beams are both provided with wiring troughs; further comprising a photovoltaic assembly, wherein the photovoltaic assembly comprises 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 notch of the wiring trough is provided with an outer buckle plate to hide the photovoltaic cable, and the photovoltaic cable is electrically connected to the photovoltaic panel through the junction box; the columns and / or beams are detachably connected with an outer cover plate, and the outer cover plate cooperates with the columns or beams to fix the photovoltaic panel.

[0007] Furthermore, the photovoltaic cable is connected to a cable terminal, and two adjacent photovoltaic cables are electrically connected through the cable terminal to form a battery string.

[0008] Further, the wiring trough includes a first wiring trough; the column includes a main frame and a mounting portion provided on one side of the main frame, the two sides of the mounting portion are detachably connected with sub-frame components, the sub-frame component is provided with the first wiring trough, and the photovoltaic panel is fixed to the outer end of the sub-frame component on a side away from the main frame, the inner end of the sub-frame component on a side away from the main frame is provided with a first through hole, the photovoltaic cable is provided in the first wiring trough, and the photovoltaic cable is connected to the junction box and the photovoltaic panel through the first through hole.

[0009] Furthermore, the sub-frame assembly includes a plug-in cover and a vertical sub-frame plugged into the plug-in cover, the photovoltaic panel is fixed to an outer end of the vertical sub-frame away from the vertical main frame body, and a first through hole is provided at an inner end of the vertical sub-frame away from the vertical main frame body.

[0010] Furthermore, a protective cover is provided around the first through hole.

[0011] Furthermore, the crossbeam includes a cross main frame, and a cross sub-frame is detachably connected to each side of the cross main frame. The crossbeam also includes an external buckle plate, which is detachably connected to the cross main frame, and the two ends of the external buckle plate are respectively plugged into the two cross sub-frames; a second wiring groove is provided between the external buckle plate and the cross main frame, and a second through hole is provided on the side of the cross sub-frame close to the photovoltaic panel, and the photovoltaic cable is connected to the junction box through the second through hole.

[0012] Furthermore, the outer gusset plate is provided with a plurality of heat dissipation holes connected to the second wiring groove.

[0013] Furthermore, a heat insulating portion is provided between the upright column and the outer cover plate, and between the cross beam and the outer cover plate.

[0014] Furthermore, the gaps between adjacent photovoltaic panels are filled with a filling part.

[0015] Furthermore, a first fan frame and a second fan frame are respectively fixed to two adjacent side surfaces of the column and the crossbeam, and the first fan frame and the second fan frame are fixedly connected to each other.

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

[0017] 1. The utility model proposes a photovoltaic curtain wall with inner cavity wiring, including a photovoltaic frame, the photovoltaic frame including columns and beams, the columns and beams are provided with wiring troughs; also includes photovoltaic components, the photovoltaic components include photovoltaic panels and junction boxes arranged on one side of the photovoltaic panels, the wiring troughs are provided with photovoltaic cables, the slots of the wiring troughs are provided with external buckle plates to hide the photovoltaic cables, and the photovoltaic cables are electrically connected to the photovoltaic panels through the junction boxes; the columns and / or beams are detachably connected with external cover plates, and the external cover plates cooperate with the columns or beams to fix the photovoltaic panels. The utility model solves the problem of exposed wiring of the curtain wall photovoltaic curtain wall by arranging external buckle plates at the slots of the wiring troughs, avoids exposure to rain, wind and sand, etc., and is easy to maintain, reliable and convenient; the arrangement of the external cover plates facilitates the installation of power generation glass components or curtain wall glass in the building (indoors), shortens the construction period, and saves construction costs; the utility model is applicable to three different types of photovoltaic curtain walls: open frame, open horizontal and hidden vertical, and open vertical and hidden horizontal.

[0018] 2. The utility model proposes a photovoltaic curtain wall with inner cavity routing, which completes the connection requirements of the photovoltaic curtain wall in vertical (main form) or horizontal routing by setting the first through hole and the second through hole. It is completely suitable for the array installation routing requirements of different groups of power generation glass, and can be routed in different directions horizontally and vertically.

[0019] 3. The utility model proposes a photovoltaic curtain wall with inner cavity routing. By setting columns and beams, the cavity is used for cable routing. The size of the trough space can be expanded as needed. 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 outer buckle plate to further achieve a cooling effect and reduce the power loss during power generation and transmission of the photovoltaic curtain wall. 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 a transverse cross-sectional view of a photovoltaic curtain wall with inner cavity wiring according to the utility model (with an outer cover plate);

[0022] Figure 2 This is a vertical cross-sectional view of a photovoltaic curtain wall with inner cavity wiring according to the utility model (with an outer cover plate);

[0023] Figure 3 for Figure 1 A magnified schematic diagram of point A;

[0024] Figure 4 for Figure 2 An enlarged schematic diagram of point B;

[0025] Figure 5 This is a transverse cross-sectional view of a photovoltaic curtain wall with inner cavity wiring according to the utility model (without an outer cover plate);

[0026] Figure 6 This is a vertical cross-sectional view of a photovoltaic curtain wall with inner cavity wiring according to the utility model (without an outer cover plate);

[0027] Figure 7 It is a cross-sectional view of the first fan frame and the second fan frame of the utility model;

[0028] Figure 8 This is an exploded view of the column of the utility model;

[0029] Fig. 9 It is an exploded view of the crossbeam of the utility model;

[0030] Fig.10 It is a cross-sectional view of the outer cover plate of the utility model;

[0031] In the figure, 10, column; 101, main frame; 102, mounting part; 103, plug cover; 104, sub-frame; 105, first wiring trough; 106, first through hole; 20, crossbeam; 201, main frame; 202, sub-frame; 203, outer gusset plate; 204, second wiring trough; 205, second through hole; 301, photovoltaic panel; 302, junction box; 303, photovoltaic cable; 304, cable terminal; 40, outer cover; 501, thermal insulation nylon block; 502, filling part; 503, first fan frame; 504, second fan frame. DETAILED DESCRIPTION

[0032] Combine the following Figure 1-10 The utility model is described in detail.

[0033] A photovoltaic curtain wall with inner cavity wiring includes a photovoltaic frame, the photovoltaic frame includes a column 10 and a beam 20, and the column 10 and the beam 20 are both provided with a wiring trough; it also includes a photovoltaic component, the photovoltaic component includes a photovoltaic panel 301 and a junction box 302 arranged on one side of the photovoltaic panel 301, a photovoltaic cable 303 is arranged in the wiring trough, and the notch of the wiring trough is provided with an outer buckle plate 203 to hide the photovoltaic cable 303, and the photovoltaic cable 303 is electrically connected to the photovoltaic panel 301 through the junction box 302; the column 10 and / or the beam 20 are detachably connected to the outer cover plate 40, and the outer cover plate 40 cooperates with the column 10 or the beam 20 to fix the photovoltaic panel 301.

[0034] By setting the outer gusset plate 203 at the notch of the wiring groove, the problem of the exposed wiring of the curtain wall photovoltaic curtain wall is solved, and it is prevented from being exposed to rain, wind and sand, etc., and it is easy to maintain, reliable and convenient; the setting of the outer cover plate 40 is suitable for three different types of photovoltaic curtain walls: open frame, horizontal open vertical hidden, and vertical open horizontal hidden. Specifically, the setting of the outer cover plate 40 is divided into three situations, one is that the column 10 and the beam 20 are both detachably connected with the outer cover plate 40, which is horizontal open vertical open, that is, open frame; the second is that the beam 20 is detachably connected with the outer cover plate 40, which is horizontal open vertical hidden; the third is that the column 10 is detachably connected with the outer cover plate 40, which is vertical open horizontal hidden; if the outer cover plate 40 is set, one side of the photovoltaic panel 301 is bonded to the column 10 or the beam 20 by a sealing strip, and one side of the photovoltaic panel 301 is bonded to the outer cover plate 40 by a sealing strip.

[0035] In this embodiment, the photovoltaic cables 303 are connected with cable terminals, and two adjacent photovoltaic cables 303 are electrically connected through the cable terminals 304 to form a battery string. The photovoltaic cables 303 connected in the component string can be connected to an external circuit bus through the gap in the cavity of the column 10.

[0036] In this embodiment, the wiring groove includes a first wiring groove 105; the column 10 includes a main frame body 101 and a mounting portion 102 arranged on one side of the main frame body 101, and the two sides of the mounting portion 102 are detachably connected with a sub-frame component, and the first wiring groove 105 is provided in the sub-frame component, and the photovoltaic panel 301 is fixed to the outer end of the sub-frame component away from the main frame body 101, and the first through hole 106 is provided at the inner end of the sub-frame component away from the main frame body 101, and a photovoltaic cable 303 is provided in the first wiring groove 105, and the photovoltaic cable 303 is connected to the junction box 302 and the photovoltaic panel 301 through the first through hole 106.

[0037] In this embodiment, the sub-frame assembly includes a plug-in cover 103 and a vertical sub-frame 104 plugged into the plug-in cover 103 , a photovoltaic panel 301 is fixed to an outer end of the vertical sub-frame 104 away from the vertical main frame 101 , and a first through hole 106 is provided at an inner end of the vertical sub-frame 104 away from the vertical main frame 101 .

[0038] In this embodiment, a protective sleeve is provided around the first through hole 106. Specifically, the protective sleeve is an insulating rubber ring, and the first through hole 106 is protected by the insulating rubber ring to prevent the photovoltaic cable 303 from being damaged when passing through, and can also play a sealing role to prevent rain, sand and dust from entering the wiring groove through the first through hole 106.

[0039] In this embodiment, the crossbeam 20 includes a cross main frame 201, and a cross sub-frame 202 is detachably connected to each side of the cross main frame 201. The crossbeam 20 also includes an outer gusset plate 203, which is detachably connected to the cross main frame 201, and the two ends of the outer gusset plate 203 are respectively plugged into the two cross sub-frames 202; a second wiring groove 204 is provided between the outer gusset plate 203 and the cross main frame 201, and a second through hole 205 is provided on one side of the cross sub-frame 202 close to the photovoltaic panel 301, and the photovoltaic cable 303 is connected to the junction box 302 through the second through hole 205. Specifically, the second through hole 205 is also provided with an insulating rubber ring; the connection between the crossbeam 20 and the column 10 is fixedly connected by bolts, glue, or other common connectors.

[0040] The DC cable of the junction box 302 is connected to the cable terminal through the first through hole 106 or the second through hole 205, 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 the vertical (main form) or horizontal wiring of the photovoltaic curtain wall. To achieve horizontal wiring, the first wiring grooves 105 on both sides of the mounting portion 102 are provided with connecting holes.

[0041] In this embodiment, the outer gusset plate 203 is provided with a plurality of heat dissipation holes connected to the second wiring groove 204. The heat dissipation holes are provided to achieve a cooling effect and reduce the power loss during the transmission of photovoltaic curtain wall power generation.

[0042] In this embodiment, a heat insulating part is provided between the upright column 10 and the outer cover plate 40, and between the cross beam 20 and the outer cover plate 40. Specifically, the heat insulating part is a heat insulating nylon block 501, and the upright plate, the heat insulating nylon block 501 and the outer cover plate 40 are fixed at the same time by one bolt; or the cross beam 20, the heat insulating nylon block 501 and the outer cover plate 40 are fixed at the same time by one bolt.

[0043] In this embodiment, the gaps between adjacent photovoltaic panels 301 are filled with a filling part 502. Specifically, the gaps are filled with a lengthened foam strip to reduce heat loss caused by convection between air. The length of the lengthened foam strip in the front-to-back direction covers the rear side of the gaps between the photovoltaic panels 301.

[0044] In this embodiment, the first fan frame 503 and the second fan frame 504 are fixed to the two adjacent side surfaces of the column 10 and the beam 20, and the first fan frame 503 and the second fan frame 504 are fixedly connected to each other. Specifically, the photovoltaic panel 301 can not only be bonded to the bottom of the vertical sub-frame 104 or the horizontal sub-frame 202, but also can be bonded to the bottom of the first fan frame 503 and the second fan frame 504; the first fan frame 503 and the second fan frame 504 are both made of metal, preferably steel, which has high strength, high flexibility, low cost, and is easy to process and manufacture; the first fan frame 503 and the second fan frame 504 are fixed to the two adjacent side surfaces of the column 10 and the beam 20 by stainless steel connecting screws; the first fan frame 503 and the second fan frame 504 are bonded to each other by glue.

[0045] In this embodiment, the installation method of the photovoltaic frame and the photovoltaic panel 301 refers to the prior art and will not be described in detail here.

[0046] 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. A photovoltaic curtain wall with inner cavity wiring, characterized in that: It includes a photovoltaic frame, which includes columns and beams, and the columns and beams are both provided with wiring troughs; it also includes a photovoltaic assembly, 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 trough, and the notch of the wiring trough is provided with an external buckle plate to hide the photovoltaic cable, and the photovoltaic cable is electrically connected to the photovoltaic panel through the junction box; the columns and / or beams are detachably connected with an outer cover plate, and the outer cover plate cooperates with the columns or beams to fix the photovoltaic panel.

2. The photovoltaic curtain wall with inner cavity wiring as claimed in claim 1, characterized in that: The photovoltaic cables are connected with cable terminals, and two adjacent photovoltaic cables are electrically connected through the cable terminals to form a battery string.

3. The photovoltaic curtain wall with inner cavity wiring as claimed in 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, and the two sides of the mounting portion are detachably connected with sub-frame components, the first wiring trough is arranged in the sub-frame component, and the photovoltaic panel is fixed to the outer end of the sub-frame component away from the main frame, and the inner end of the sub-frame component away from the main frame is provided with a first through hole, the photovoltaic cable is arranged in the first wiring trough, and the photovoltaic cable is connected to the junction box and the photovoltaic panel through the first through hole.

4. The photovoltaic curtain wall with inner cavity wiring as claimed in claim 3, characterized in that: The sub-frame assembly includes a plug cover and a vertical sub-frame plugged into the plug cover, the photovoltaic panel is fixed to the outer end of the vertical sub-frame away from the vertical main frame, and a first through hole is provided at the inner end of the vertical sub-frame away from the vertical main frame.

5. The photovoltaic curtain wall with inner cavity wiring as claimed in claim 4, characterized in that: A protective sleeve is arranged around the first through hole.

6. A photovoltaic curtain wall with inner cavity wiring as claimed in claim 1 or 3, characterized in that: The crossbeam includes a cross main frame, and a cross sub-frame is detachably connected to each side of the cross main frame. The crossbeam also includes an external buckle plate, which is detachably connected to the cross main frame, and the two ends of the external buckle plate are respectively plugged into the two cross sub-frames; a second wiring groove is provided between the external buckle plate and the cross main frame, and a second through hole is provided on a side of the cross sub-frame close to the photovoltaic panel, and the photovoltaic cable is connected to the junction box through the second through hole.

7. The photovoltaic curtain wall with inner cavity wiring as claimed in claim 6, characterized in that: The outer gusset plate is provided with a plurality of heat dissipation holes connected to the second wiring groove.

8. The photovoltaic curtain wall with inner cavity wiring as claimed in claim 1, characterized in that: A heat insulation part is provided between the upright column and the outer cover plate, and between the cross beam and the outer cover plate.

9. The photovoltaic curtain wall with inner cavity wiring as claimed in claim 1, characterized in that: The gaps between adjacent photovoltaic panels are filled with a filling part.

10. The photovoltaic curtain wall with inner cavity wiring as claimed in claim 1, characterized in that: The first fan frame and the second fan frame are respectively fixed to two adjacent side surfaces of the column and the cross beam, and the first fan frame and the second fan frame are fixedly connected to each other.

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