CN218301344U - Photovoltaic unit, interlayer photovoltaic curtain wall and building - Google Patents

Abstract

The utility model discloses a photovoltaic unit, layer photovoltaic curtain and building relates to photovoltaic curtain technical field. The interlayer photovoltaic unit comprises a photovoltaic module, a wire connector and an auxiliary frame, wherein a junction box is arranged on the backlight surface of the photovoltaic module; the wire connector is electrically connected with the junction box; the auxiliary frames are arranged on two opposite sides of the backlight surface of the photovoltaic module, and are provided with threading holes for leading out wire connectors or junction boxes; the utility model provides a photovoltaic unit, layer photovoltaic curtain and building for the line is walked to the standard, avoids photovoltaic module to receive the wind pressure deformation.

Description

Photovoltaic unit, interlayer photovoltaic curtain wall and building

Technical Field

The utility model relates to a photovoltaic curtain technical field especially relates to a photovoltaic unit, photovoltaic curtain and building between layer.

Background

In recent years, in response to the industrial development of national green buildings, the project requirements of photovoltaic curtain walls are continuously increased, and the building and photovoltaic industries continuously explore and practice the integration of photovoltaic buildings. To crystal silicon photovoltaic curtain, prior art has the terminal box great, and is inconvenient to hide, and the wiring is walked the line inconvenient, does not walk the line cavity, overhauls inconvenient scheduling problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a photovoltaic unit, layer photovoltaic curtain and building for the line is walked to the standard, avoids photovoltaic module to receive the wind pressure deformation.

In order to achieve the above object, the present invention provides the following technical solutions:

in a first aspect, the present invention provides a photovoltaic unit, including:

the backlight surface of the photovoltaic component is provided with a junction box;

an electrical connector electrically connected to the junction box;

and the assistant frame is at least arranged on two opposite sides of the backlight surface of the photovoltaic module, and is provided with a threading hole for leading out the wire connector or the junction box.

Compared with the prior art, the utility model adopts the above technical scheme, the secondary frame is connected to the backlight surface of the photovoltaic module, so that the mounting stress can be concentrated on the secondary frame instead of the photovoltaic module itself, and the problems of service life shortening and the like caused by failure of the mounting position of the photovoltaic module can be reduced; after the wire connector is electrically connected with the junction box included by the photovoltaic module, the wire connector or the junction box can be led out through the threading hole formed in the auxiliary frame, so that the two adjacent photovoltaic units are conveniently electrically connected (generally, the wire connector is arranged on each photovoltaic unit, and the electrical connection of the photovoltaic units can be realized by butt joint of the wire connectors of the two adjacent photovoltaic units).

In practical applications, it is generally necessary to electrically connect a plurality of photovoltaic units together, and then connect the electrical energy generated by the plurality of photovoltaic units with an inverter or a storage battery, for example, by using edge-located connectors, so as to output the electrical energy generated by the plurality of photovoltaic units. And the electrical connection among a plurality of photovoltaic units can also be realized through the wire connectors configured on the photovoltaic units.

In one implementation, the secondary frames are arranged on the short edges of the two sides of the backlight surface of the photovoltaic module.

In one implementation, the outer edge of the sub-frame has an accommodating space for accommodating the wire connector, and the junction box is electrically connected with the wire connector through the wire threading hole via a cable.

So set up, accommodation space not only can standardize placing of connector for placing of connector provides the space, moreover, can also effectually avoid the connector to expose. Based on this, when improving the aesthetic property of photovoltaic curtain on the whole, can also play the guard action to the connector to the life of extension connector.

In a second aspect, the utility model discloses an interlaminar photovoltaic curtain wall, include:

the bearing frame comprises upright posts and cross beams, and the upright posts and the cross beams are connected end to form the bearing frame in a surrounding manner;

a plurality of photovoltaic units electrically connected together, the photovoltaic units being as described in the first aspect; the photovoltaic units are fixedly connected with the bearing frame;

a beam subframe disposed on the beam, one side of a photovoltaic module of the photovoltaic unit being mounted on the beam subframe, or,

the stand column auxiliary frame is arranged on the stand column, and one side of a photovoltaic assembly of the photovoltaic unit is installed on the stand column auxiliary frame.

Compared with the prior art, the utility model provides a photovoltaic curtain wall's beneficial effect does not do the same part with the beneficial effect of the photovoltaic unit that first aspect provided to give unnecessary redundancy to through setting up the vice frame of crossbeam and connecting fixedly to its relative both sides at photovoltaic module's back, specifically, vice frame is connected with the bearer frame and fixes the photovoltaic unit behind the bearer frame, then connects unfixed both sides through the vice frame of crossbeam or stand subframe, reliably convenient; when vice frame setting is on the both sides short edge on photovoltaic module shady face, then vice frame of crossbeam or the vice frame of stand set up on photovoltaic module's long edge, effectively prevent because the condition that long edge overlength is pressed by the wind and is easily deformed takes place, when photovoltaic module is the square, then vice frame of crossbeam or the vice frame setting of stand do not install on photovoltaic module's relative both sides of vice frame, realize photovoltaic module shady face all around be connected with the carriage, the stability after the curtain unit installation has been improved, be favorable to lasting the electricity generation.

In one implementation, the sub-frame of the photovoltaic unit is connected to the column, the first end of the sub-frame of the beam is connected to the beam, and the second end of the sub-frame of the beam is abutted to the backlight surface on one side of the photovoltaic module.

So set up, through being connected of assistant frame and stand, the realization is fixed to photovoltaic module's support, and the rethread is connected the vice frame of crossbeam on the crossbeam and to photovoltaic module's shady face butt, has improved photovoltaic module integral erection's firm degree and life.

In one implementation mode, the secondary frames of two adjacent photovoltaic units are combined to form an accommodating cavity, and the accommodating cavity is used for accommodating the wire connector and the cable.

So set up, hold the chamber and can provide the space for placing of connector and cable, can also effectually avoid the connector to expose, when improving the aesthetic property of photovoltaic curtain on the whole, can also play the guard action to the connector.

In one implementation, the beam cover further includes a beam cover with a cross-section shaped like a Chinese character 'ji', and the beam cover includes:

the connecting part is fixedly connected with the cross beam;

the first end of the first bearing part is connected with the connecting part, and the second end of the first bearing part is bent;

the first end of the second bearing part is connected with the connecting part, and the second end of the second bearing part is bent;

the second ends of the first bearing parts and the second bearing parts are bent in opposite directions.

So set up, through being the style of calligraphy of designing into with the crossbeam dress trim cover to buckle to opposite direction with first bearing part second end and second bearing part second end, realize crossbeam and upper and lower adjacent photovoltaic module's being connected simultaneously.

In one implementation manner, a limiting groove for accommodating one side of the photovoltaic module is formed between the second end of the first bearing part or the second bearing part and the second end of the beam subframe after the second end of the first bearing part or the second bearing part is bent.

So set up, carry out the butt through crossbeam dress trim cover to photovoltaic module's income plain noodles, based on this, realize fixing photovoltaic module's long limit both sides face simultaneously with the vice frame of crossbeam, further improved the fixed on the long limit of photovoltaic module, whole installation effect is better.

In one implementation mode, the limiting groove is filled with an adhesive tape used for clamping the photovoltaic module, and the adhesive tape is arranged between the light incident surface of the photovoltaic module and the second end of the first bearing part and between the backlight surface of the photovoltaic module and the second end of the beam subframe.

So set up, can improve photovoltaic module and the connection strength of the vice frame of crossbeam and first bearing part.

In one implementation manner, the first bearing part is arranged towards the direction of the photovoltaic unit, and the first bearing part is provided with a plurality of through holes.

So set up, realize the ventilation cooling to photovoltaic module shady face, increase the generated energy income, because can produce the heat during photovoltaic module electricity generation, cold air can get into from the bottom, discharges from the top, takes away the heat, plays for photovoltaic module ventilation cooling's effect, increases the generated energy.

In a third aspect, the present invention discloses a building, comprising:

the building facade is provided with a wall connecting piece;

the interlayer photovoltaic curtain wall is the interlayer photovoltaic curtain wall described in the second aspect; and the bearing frames of the interlayer photovoltaic curtain walls are fixedly connected with the wall connecting piece.

Compared with the prior art, the utility model provides a photovoltaic roof's beneficial effect is the same with the beneficial effect of the photovoltaic curtain that the second aspect provided, and the no longer repeated description is done here.

In one implementation mode, heat-preservation cotton and a back plate are arranged between a photovoltaic module of the interlayer photovoltaic curtain wall and the building vertical face, the edge of the back plate is fixedly connected with the bearing frame, and the heat-preservation cotton is fixedly connected to one side, opposite to the building vertical face, of the back plate.

So set up, reducible building body and external heat exchange have improved the heat preservation effect of photovoltaic curtain, can play thermal-insulated effect through this photovoltaic curtain, and then can satisfy the heat preservation requirement of building, make this photovoltaic curtain both can carry out solar energy power generation and can regard as the building outer wall again, improved the practicality of photovoltaic curtain.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.

Fig. 1 is a front view of a photovoltaic unit of the present invention;

fig. 2 is a cross-sectional view of the photovoltaic unit of the present invention along the direction B-B;

fig. 3 is a schematic structural view of the photovoltaic module of the present invention;

fig. 4 is a top view of the photovoltaic module of the present invention;

figure 5 is a cross-sectional view of the photovoltaic unit of the present invention taken along line B-B;

fig. 6 is a schematic structural view of the cross beam decorative cover of the present invention.

Description of reference numerals:

1-upright column; 1 a-column sleeve core; 1 b-seam position; 2-a cross beam; 10-a photovoltaic module; 11-heat preservation cotton; 12-a back plate; 13-a cable bushing; 14-a photovoltaic cable; 15-an inverter; 100-a junction box; 20-a wire connector; 30-a sub-frame; 30 b-a containment chamber; 30 a-an adhesive; 300-threading holes; 301-a receiving space; 40-beam subframe; 50-a beam trim cover; 51-a connecting part; 52-a first carrier part; 520-a through hole; 53-a second carrier part; 54-glue strip; 60-wall connectors; 70-a seal; 80-briquetting; 90-self-tapping screw.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 and fig. 2, the embodiment of the utility model discloses a photovoltaic unit, include: the photovoltaic module 10, the wire connector 20 and the secondary frame 30, wherein a junction box 100 is installed on a backlight surface of the photovoltaic module 10; the connector 20 is electrically connected to the junction box 100; the sub-frames 30 are at least arranged on two opposite sides of the backlight surface of the photovoltaic module 10, and the sub-frames 30 are provided with threading holes 300 for leading out the wire connectors 20 or the junction boxes 100.

In the using process, the photovoltaic unit can be manufactured in advance in a factory, the auxiliary frame 30 of the utility model is connected with the backlight surface of the photovoltaic module 10, the mounting stress can be concentrated on the auxiliary frame 30, but not on the photovoltaic module 10 itself, the problems of service life shortening and the like caused by failure of the mounting position of the photovoltaic module 10 can be reduced, and thus, when the photovoltaic unit is mounted on the site, the photovoltaic module can be conveniently and reliably fixed; after the wire connector 20 is electrically connected with the junction box 100 included in the photovoltaic module 10, the wire connector 20 can be led out through the threading hole 300 formed in the sub-frame 30, and the electrical connection of the photovoltaic units can be realized by butting the wire connectors 20 of two adjacent photovoltaic units.

As shown in fig. 2, the photovoltaic module 10 may be a conventional photovoltaic module 10 related to the prior art, and may be a single-glass photovoltaic module or a double-glass photovoltaic module. It generally comprises a laminated part, a frame for bearing the laminated part, and the frame can comprise a long frame and a short frame, namely the long frame and the short frame are connected end to form the frame and are clamped at the periphery of the laminated part. The photovoltaic module 10 further includes a junction box 100 disposed on a backlight surface of the laminate, and the junction box 100 is electrically connected to a lead-out wire (bus bar) of the laminate to lead out electric energy generated by the laminate.

As shown in fig. 2, the sub-frame 30 may be bonded or otherwise attached to the backlight surface of the photovoltaic module 10, for example, the sub-frame 30 may be attached to a frame included in the photovoltaic module 10 or to a laminate included in the photovoltaic module 10. The sub-frame 30 may be fixed to the short side direction of the photovoltaic module 10 by an adhesive member 30a such as a double-sided adhesive plus a weather-resistant silicone structural adhesive.

Referring to fig. 3, in practical applications, each photovoltaic unit is provided with two connectors 20, one connector 20 is connected to the positive output terminal of the junction box 100, and the other connector 20 is connected to the negative output terminal. When a plurality of photovoltaic units are required to be electrically connected in series, the connector 20 electrically connected with the positive output end of one photovoltaic unit can be plugged with the connector 20 electrically connected with the negative output end of the other photovoltaic unit, so as to realize series connection.

As shown in fig. 2, the specific position of the threading hole 300 formed through the sub-frame 30 may be determined according to the actual application requirement. For example, the threading hole 300 may be opened at a position of the sub-frame 30 near the junction box 100 to facilitate the wire connector 20 electrically connected to the junction box 100 to be led out through the threading hole 300. The number of the threading holes 300 may be not limited, and for example, at least one threading hole 300 may be formed corresponding to one connector 20. The size of the threading hole 300 is not particularly limited as long as the wire connector 20 can be drawn out.

In practical applications, it is generally necessary to electrically connect a plurality of photovoltaic units together, and then connect the electrical energy generated by the plurality of photovoltaic units to, for example, an inverter or a storage battery by using the connectors 20 configured on the edge of the photovoltaic units, so as to output the electrical energy generated by the plurality of photovoltaic units. While the electrical connection between a plurality of photovoltaic cells can also be realized by means of a photovoltaic cell-equipped connector 20.

As shown in fig. 4, the outer edge of the sub-frame 30 has a receiving space 301, and the receiving space 301 is used to receive the wire connector 20. So set up, accommodation space not only can standardize placing of connector 20 for placing of connector 20 provides the space, can also walk the space of line as photovoltaic unit. Thus, the receiving space 300 provides a placing space for the electrical connector 20 and the cable, etc., which not only can standardize the placing position of the electrical connector 20 and the cable, but also can prevent the electrical connector 20 and the cable from being exposed. The aesthetic property is improved on the whole, and meanwhile, the wire connector 20 can be protected, so that the service life of the wire connector 20 is prolonged.

In a second aspect, the utility model discloses an interlayer photovoltaic curtain wall, which comprises a bearing frame, a plurality of photovoltaic units electrically connected together and a beam auxiliary frame 40 or an upright post auxiliary frame, wherein the bearing frame comprises an upright post 1 and a beam 2, and the upright post 1 and the beam 2 are connected end to form the bearing frame in an enclosing manner; the photovoltaic unit is the photovoltaic unit described in the first aspect; the photovoltaic units are fixedly connected with the bearing frame; the crossbeam subframe 40 is arranged on the crossbeam 2, and one side of the photovoltaic component of the photovoltaic unit is arranged on the crossbeam subframe 40, or the upright column subframe is arranged on the upright column 1, and one side of the photovoltaic component of the photovoltaic unit is arranged on the upright column subframe.

The beneficial effects of the interlayer photovoltaic curtain wall are the same as those of the photovoltaic unit provided by the first aspect, and no repeated description is given, in addition, the opposite two sides of the photovoltaic module 10 are further connected and fixed with the bearing frame by arranging the beam auxiliary frame 40 on the back side of the photovoltaic module, specifically, the auxiliary frame 30 is connected with the bearing frame to fix the photovoltaic unit behind the bearing frame, and then the unfixed two sides are connected through the beam auxiliary frame 40 or the upright post auxiliary frame, so that the interlayer photovoltaic curtain wall is reliable and convenient; when vice frame 30 sets up on the both sides short side on photovoltaic module 10 shady face, then vice frame 40 of crossbeam or the vice frame setting of stand are on photovoltaic module 10's long edge, effectively prevent because the condition that long limit overlength receives the wind pressure yielding takes place, when photovoltaic module 10 is the square, then vice frame 40 of crossbeam or the vice frame setting of stand do not install on photovoltaic module 10 does not have the relative both sides of vice frame 30, realize photovoltaic module 10 shady face be connected with the carriage all around, the stability after the curtain unit installation has been improved, be favorable to lasting the electricity generation.

In this embodiment, when the sub-frame 40 is disposed on the beam 2, the sub-frame 30 is connected to the column 1, for example, tapping screws may be used to penetrate through the sub-frame 30 and then fastened to the column 1, the first end of the sub-frame 40 is connected to the beam 2, the sub-frame 40 is made of 120mm long aluminum alloy, and is mounted at a 1/4 position of the beam 2 and close to the column 1, and a plurality of sub-frames 40 are disposed at equal intervals, and the second end of the sub-frame 40 abuts against another pair of opposite sides of the backlight surface of the photovoltaic module 10, preferably, is connected to a long side of the photovoltaic module 10. Thus, the short sides of the photovoltaic assembly 10 are supported and fixed through the connection of the auxiliary frame 30 and the upright posts 1, the long-side backlight surfaces of the photovoltaic assembly 10 are abutted through the auxiliary beam frame 40 connected to the cross beam 2, and the sectional type auxiliary beam frame 40 can meet the stress requirement, effectively prevent the deformation of the photovoltaic assembly due to the overlong long side caused by wind pressure, and improve the stability and service life of the whole installation of the photovoltaic assembly; the ventilation and heat dissipation of the backlight surface of the photovoltaic module 10 are not hindered, and materials are saved.

In the present embodiment, a receiving cavity 30b is formed between the sub-frames 30 included in two adjacent photovoltaic units, and the receiving cavity 30b is used for receiving the wire connector 20 and the cable.

As shown in fig. 5, a column sleeve core 1a is disposed in the column 1, and the upper and lower columns 1 are connected by the column sleeve core 1a, so as to ensure that the upper and lower bearing frames are on the same straight line, and have a certain amount of expansion and contraction to adapt to lateral movement of the main structure, thereby meeting the possibility of vertical movement of the columns, making the columns have deformability in their own plane, and performing sealing treatment with weather-resistant sealant at the joint position 1b of the upper and lower columns 1 to ensure sealability.

As shown in fig. 5, the photovoltaic unit in this embodiment further includes a cross beam decoration cover 50, the cross beam decoration cover 50 is connected to the cross beam 2, and the long edge light incident surface of the photovoltaic module 10 abuts against the cross beam decoration cover 50. So, carry out the butt through crossbeam dress trim cover 50 to photovoltaic module 10's long limit income plain noodles, based on this, realize fixing photovoltaic module 10's long limit both sides face simultaneously with the vice frame 40 of crossbeam, further improved the fixed on photovoltaic module 10 long limit, whole installation effect is better. The cross beam exposed to the long edge butt joint gap between two adjacent photovoltaic modules can be hidden through the cross beam decorative cover 50.

As shown in fig. 5 and 6, in one specific embodiment, the cross member trim cover 50 includes: the connecting part 51 is fixedly connected with the cross beam 2; the first end of the first bearing part 52 is connected with the connecting part 51, and the second end of the first bearing part 52 is bent and forms a limiting groove for accommodating the long edge of the photovoltaic module 10 with the second end of the beam subframe 40; the first end of the second bearing portion 53 is connected to the connecting portion 51, and the second end of the second bearing portion 53 is bent in a direction opposite to the second end of the first bearing portion 52.

Exemplarily, the cross beam decorative cover 50 may be an integrally formed structure, wherein the connecting portion 51 may specifically be a connecting plate or a connecting block, and may be welded, and fixedly connected to the cross beam 2 in a bolt connection manner, the first carrying portion 52 and the second carrying portion 53 are both in an L-shaped structural design, the second end of the first carrying portion 52 and the second end of the second carrying portion 53 are bent in opposite directions, and are respectively used for fixedly mounting the photovoltaic module 10 and/or the transparent glass layer above and below the cross beam 2, preferably, the bending angles are 90 °, so that the cross section of the cross beam decorative cover 50 is in a shape like a Chinese character 'ji', which not only plays a bearing role on the end surface of the photovoltaic module 10 or the transparent glass layer, but also is beneficial for the limit fitting connection of the light incident surface of the photovoltaic module or the transparent glass layer.

As shown in fig. 5, in the present embodiment, the limiting groove is filled with an adhesive tape 54 for clamping the photovoltaic module 10, and the adhesive tape 54 is adhered between the light incident surface of the photovoltaic module 10 and the second end of the first bearing portion 52, and between the backlight surface of the photovoltaic module 10 and the second end of the beam subframe 40. In this way, the connection strength and the sealing performance of the photovoltaic module 10 with the beam sub-frame 40 and the first bearing portion 52 can be improved. The adhesive tape 54 may be an ethylene propylene diene monomer adhesive tape or other adhesive tape having the same function, and is not limited in any way.

As shown in fig. 5 and 6, the first supporting portion 52 is disposed toward the photovoltaic unit, the first supporting portion 52 is provided with a plurality of through holes 520, and the through holes 520 are located on the backlight side of the photovoltaic module 10. Therefore, ventilation and heat dissipation of the backlight surface of the photovoltaic module 10 are achieved, the yield of generated energy is increased, heat can be generated when the photovoltaic module 10 generates electricity, cold air can enter from the through hole 520 of the first bearing part 52 at the bottom of the photovoltaic module 10 and is discharged from the through hole 520 of the first bearing part 52 at the top, heat is taken away, the ventilation and heat dissipation effects of the photovoltaic module 10 are achieved, and the generated energy is increased. In addition, the through holes 520 also have a drainage function, and if a small amount of rainwater enters the cavity of the back of the photovoltaic module 1 through the through holes 520 formed in the first bearing part 52, the rainwater can be drained to the outdoor side through the through holes 520 formed in the cross beam decorative cover 50 at the bottom.

In a third aspect, an embodiment of the present invention discloses a building, including: the building vertical surface is provided with a wall connecting piece 60, and the interlayer photovoltaic curtain wall is the interlayer photovoltaic curtain wall described in the second aspect; the bearing frames of the photovoltaic curtain walls among the layers are fixedly connected with the wall body connecting piece 60.

By adopting the scheme, the interlayer photovoltaic curtain wall comprising the photovoltaic units described in the first aspect is installed on a building vertical surface, the wire connector 20 can be led out through the threading hole formed in the auxiliary frame 30 so as to facilitate the electrical connection between two adjacent photovoltaic units, the placement of the wire connector 20 is standardized, the wire connector 20 can be effectively prevented from being exposed, the auxiliary frame 30 can be hidden in the space between the photovoltaic module 10 and the building surface by the photovoltaic module 10, and the auxiliary frame 30 is equivalent to a hidden frame when viewed from the outside of the interlayer photovoltaic curtain wall, so that the attractiveness of the interlayer photovoltaic curtain wall is integrally improved; and through setting up the vice frame of crossbeam and connect fixedly at photovoltaic module 10's back to its long limit, effectively prevent the emergence of the condition that receives the wind pressure deformation, improved the stability after the photovoltaic unit installation, be favorable to lasting the electricity generation.

As shown in fig. 2, for example, the upright 1 in the load-bearing frame is fixedly connected with the wall connecting member 60, the wall connecting member 60 may be a galvanized steel plate bent adapter, the end of the cross beam 2 is fixedly connected with the upright 1 through an adapter angle aluminum, and a sealing treatment should be performed on a glue joint between the cross beam 2 and the upright 1 by using a weather-resistant sealant, and the fastening connection may be in various manners, for example, M6 × 100 stainless steel bolt groups may be used for connection and fixation, which is not limited specifically herein. Based on this, the sub-frames 30 of two adjacent photovoltaic units are connected with the vertical column 1 at the same time, for example, a T-shaped pressing block 80 may be arranged in the accommodating cavity 30b, and both wings of the T-shaped pressing block 80 respectively abut against the inner sides of two adjacent sub-frames 30. At this time, the self-tapping screw 90 penetrates through the T-shaped pressing block 80 and is tightly connected with the upright post 1.

As shown in fig. 2, in practical application, a gap exists between the photovoltaic modules 10 included in two adjacent photovoltaic units; the wire connector 20 enters/exits the accommodating cavity 30b through the gap, the wire connector 20 correspondingly configured with two adjacent photovoltaic units can be pulled out of the room from the accommodating cavity 30b through the gap, and then pulled back into the accommodating cavity 30b through the gap after being butted. When the gap is less, can not satisfy the connector 20 and pass through to outdoor convenient wiring, can adjust photovoltaic module 10 and suitably remove about and increase the gap for connector 20 can pass through. According to above application process, the utility model provides a photovoltaic curtain wall has wire connector 20 simple to operate's characteristics. Upon this, the gap is sealed with a sealing member 70 such as a foam bar and sealant.

As shown in fig. 2 and 5, heat insulation cotton 11 and a back plate 12 are arranged between the photovoltaic module 10 and the building facade, the edge of the back plate 12 is respectively and fixedly connected with the beam 2 and the upright post 1, and the heat insulation cotton 11 is fixedly connected to one side of the back plate 12 opposite to the building facade. So, reducible building body and external heat exchange have improved the heat preservation effect of photovoltaic curtain, can play thermal-insulated effect through this photovoltaic curtain, and then can satisfy the heat preservation requirement of building, make this photovoltaic curtain both can carry out solar energy power generation and can regard as the building outer wall again, improved the practicality of photovoltaic curtain. An aluminum back plate with the thickness of 2mm can be adopted on site, heat-insulating cotton 11 with the thickness of 50mm is arranged behind the aluminum back plate, and the periphery of the joint of the aluminum back plate, the cross beam 2 and the upright post 1 is sealed by using a sealing element 70 such as a foam rod, weather-resistant sealant and the like; in order to improve the sealing effect, the aluminum back plate is provided with folded edges around, so that the aluminum back plate is convenient to glue and seal around, and water vapor is prevented from entering the room.

Besides, as shown in fig. 5, when a plurality of photovoltaic units are connected in series and the inverter 15 needs to be accessed, holes can be punched through the back plate 12, and the cable sleeve 13 is installed, so that the photovoltaic cable 14 can enter the indoor beam bottom area through the cable sleeve 13 and access the inverter 15. When the photovoltaic cable need stride the layer, the priority is gone on at stand cover core 1 a's seam position 1b, strides the layer threading through stand cover core 1a to practical, convenient mode realizes that the photovoltaic walks the line wiring demand.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (12)

1. A photovoltaic unit, comprising:

the backlight surface of the photovoltaic component is provided with a junction box;

an electrical connector electrically connected to the junction box;

and the sub-frames are at least arranged on two opposite sides of the backlight surface of the photovoltaic module, and are provided with threading holes, and the threading holes are used for leading out the wire connectors or the junction boxes.

2. The pv unit of claim 1 wherein said sub-bezels are disposed on short sides of the backlight side of said pv module.

3. The photovoltaic unit according to claim 1 or 2, wherein an outer edge of the sub-frame has an accommodation space for accommodating the connector, and the junction box is electrically connected to the connector via a cable passing through the threading hole.

4. An interlayer photovoltaic curtain wall is characterized by comprising:

the bearing frame comprises upright columns and cross beams, and the upright columns are connected with the cross beams end to form the bearing frame in an enclosing manner;

a plurality of photovoltaic units electrically connected together, the photovoltaic units being as claimed in any one of claims 1 to 3; the photovoltaic units are fixedly connected with the bearing frame;

a beam sub-frame disposed on the beam, one side of a photovoltaic module of the photovoltaic unit being mounted on the beam sub-frame, or,

and the auxiliary frame of the stand column is arranged on the stand column, and one side of a photovoltaic component of the photovoltaic unit is arranged on the auxiliary frame of the stand column.

5. The interlayer photovoltaic curtain wall of claim 4, wherein the secondary frames of the photovoltaic units are connected to the columns, the first ends of the secondary cross beam frames are connected to the cross beams, and the second ends of the secondary cross beam frames are abutted against the backlight surface on one side of the photovoltaic module.

6. The interlayer photovoltaic curtain wall of claim 5,

and the auxiliary frames of two adjacent photovoltaic units are combined to form an accommodating cavity, and the accommodating cavity is used for accommodating the wire connector and the cable.

7. The interlayer photovoltaic curtain wall of claim 6, further comprising a cross-beam trim cover having a cross-section in the shape of a Chinese character' ji, the cross-beam trim cover comprising:

the connecting part is fixedly connected with the cross beam;

the first end of the first bearing part is connected with the connecting part, and the second end of the first bearing part is bent;

the first end of the second bearing part is connected with the connecting part, and the second end of the second bearing part is bent;

the second end of the first bearing part is opposite to the second end of the second bearing part in bending direction.

8. The interlayer photovoltaic curtain wall of claim 7, wherein the second end of the first bearing part or the second bearing part is bent to form a limiting groove with the second end of the beam subframe for accommodating one side of the photovoltaic module.

9. The interlayer photovoltaic curtain wall of claim 8, wherein adhesive tapes for clamping the photovoltaic module are filled in the limiting grooves, and the adhesive tapes are arranged between the light incident surface of the photovoltaic module and the second end of the first bearing part and between the backlight surface of the photovoltaic module and the second end of the beam subframe.

10. The interlayer photovoltaic curtain wall of claim 7, wherein the first bearing part is arranged towards the photovoltaic unit, and the first bearing part is provided with a plurality of through holes.

11. A building, comprising:

the building facade is provided with a wall connecting piece;

the interlayer photovoltaic curtain wall as claimed in any one of claims 4 to 10; and the bearing frames of the interlayer photovoltaic curtain walls are fixedly connected with the wall connecting piece.

12. The building of claim 11, wherein insulation cotton and a back plate are arranged between the photovoltaic module of the interlayer photovoltaic curtain wall and the building vertical surface, the edge of the back plate is fixedly connected with the bearing frame, and the insulation cotton is fixedly connected to one side of the back plate opposite to the building vertical surface.

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