A glazed photovoltaic curtain wall and method of use

Abstract

The application discloses a glazed photovoltaic curtain wall and a use method thereof, and relates to the technical field of building integrated photovoltaics, which comprises a stand column, the outer walls of the two sides of the stand column are both provided with buried wire boxes, the outer walls of the two groups of buried wire boxes are both provided with two groups of photovoltaic plate blocks and cross beams, the cross beams and the photovoltaic plate blocks are staggered, the outer walls of the two groups of buried wire boxes are both provided with sound insulation and heat insulation plate blocks, the sound insulation and heat insulation plate blocks are located behind the photovoltaic plate blocks and the cross beams, and the front surface of the sound insulation and heat insulation plate blocks is provided with a ventilation structure. The application is provided with the ventilation structure, the upper and lower openings in the ventilation structure exchange with the external air, the purpose of heat dissipation is achieved, the cold air enters from the lower air distribution cavity II, gathers in the air main cavity after passing through the air distribution cavity I, and then is discharged from the upper main ventilation channel, so that the hot air rises in the ventilation structure, a continuous air flow is formed, the temperature of the surface and the inside of the curtain wall is effectively reduced, the temperature difference is reduced, and the generation of thermal stress is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building integrated photovoltaics, in particular to a glazed photovoltaic curtain wall and a use method thereof. BACKGROUND

[0002] With the continuous development of economic society, the demand for electricity is also rising, and the traditional thermal power generation has the disadvantages of high energy consumption and large emission of greenhouse gases. Photovoltaic power generation as a clean and renewable energy can be introduced into the power industry to provide a large amount of clean power for the power system.

[0003] The defects of the existing photovoltaic curtain wall are:

[0004] 1. Patent document CN110190803B discloses a photovoltaic tile and a photovoltaic building surface, mainly considering how to improve the appearance consistency of the photovoltaic building surface, without considering how to effectively reduce the temperature of the curtain wall surface and the internal temperature, and reduce the generation of thermal stress;

[0005] 2. Patent document CN110578380B discloses a strain type solar photovoltaic curtain wall, mainly considering how to control the refractive index and path of sunlight when passing through the liquid glass plate under different temperatures and light intensities, without considering how to reduce the risk of cracking, peeling of the glazed layer or glass breakage;

[0006] 3. Application document CN116733145A discloses an adjustable photovoltaic passive energy-saving glass curtain wall, mainly considering how to adjust the angle of the photovoltaic module according to the angle of sunlight to make the photovoltaic module fully absorb sunlight, fully utilize the photovoltaic panel to generate electricity, and improve the utilization rate of energy, without considering the curtain wall integrating photovoltaic, sound insulation and heat insulation functions to effectively improve the utilization rate of building space;

[0007] 4. Application document CN114658148A discloses a curtain wall unit, a photovoltaic curtain wall and a building, mainly considering how to solve the problem of not easy to install photovoltaic modules in the interlayer position of the building non-wall body, without considering how to realize the self-cleaning function of the glass, effectively reduce the accumulation of dust and dirt, and improve the photoelectric conversion efficiency. SUMMARY

[0008] The present application aims to provide a glazed photovoltaic curtain wall and a use method thereof to solve the problems raised in the background art.

[0009] In order to achieve the above object, the present application provides the following technical scheme: A glazed photovoltaic curtain wall and a using method thereof, comprising a stand column, both sides of the stand column are provided with a buried wire box, one side of the two groups of buried wire boxes is provided with two groups of photovoltaic plate blocks and a cross beam, the cross beam and the photovoltaic plate blocks are staggered, one side of the two groups of buried wire boxes is provided with sound insulation and heat insulation plate blocks, the sound insulation and heat insulation plate blocks are located behind the photovoltaic plate blocks and the cross beam, the front of the sound insulation and heat insulation plate blocks is provided with a ventilation structure, the ventilation structure comprises two groups of main ventilation channels provided on the top of the sound insulation and heat insulation plate blocks, the bottom end of the main ventilation channel is provided with an air branch area, the bottom end of the air branch area is provided with four groups of air sub-chambers, the inside of the cross beam is uniformly provided with air sub-chambers two, the positions of the air sub-chambers two correspond to the positions of the air sub-chambers one.

[0010] Preferably, the photovoltaic plate block comprises a photovoltaic assembly and a frame, the frame is located outside the photovoltaic assembly, the photovoltaic assembly comprises a glazed layer located at the outermost layer, the back of the glazed layer is provided with a buffer transition layer, the back of the buffer transition layer is provided with a panel glass, the back of the panel glass is provided with a first white PVB adhesive film, the back of the first white PVB adhesive film is provided with a photovoltaic cell, the back of the photovoltaic cell is provided with a second white PVB adhesive film, the back of the second white PVB adhesive film is provided with a black PVB adhesive film, and the back of the black PVB adhesive film is provided with a bottom plate glass.

[0011] Preferably, the sound insulation and heat insulation plate block comprises a sealing material matched with the photovoltaic plate block and the cross beam, the back of the sealing material is provided with a reflection layer, the back of the reflection layer is provided with a heat insulation layer, the back of the heat insulation layer is provided with a sound insulation layer plate, and the back of the sound insulation layer plate is provided with a base layer plate.

[0012] Preferably, one side of the two groups of buried wire boxes is provided with a top beam, the top beam is located above the photovoltaic plate block, the inside of the top beam is provided with a self-cleaning assembly, the self-cleaning assembly comprises a control motor and a guide rod installed in the inside of the top beam, the guide rod is located in front of the control motor, the output end of the control motor is provided with a lead screw, the outer surfaces of the lead screw and the guide rod are sleeved with a sliding block, the front of the sliding block is provided with a small electric push rod, the front of the small electric push rod is provided with a cleaning brush, and the cleaning brush is located in front of the photovoltaic plate block and the cross beam.

[0013] Preferably, the frame is provided with a group corner connector at each corner, the inside of the group corner connector is provided with a screw hole one, and the four corners of the photovoltaic assembly are provided with screw holes two corresponding to the screw hole one.

[0014] Preferably, a heat insulation pad is arranged between the outer surface of the photovoltaic assembly and the inner surface of the frame, and the inner surface of the frame is provided with a sealing rubber strip groove for placing a sealing rubber strip.

[0015] Preferably, the back surface of the photovoltaic panel is provided with a wiring device, and the cross beam and the photovoltaic panel are both provided with a heat insulation strip between the cross beam and the wiring box.

[0016] Preferably, the front surface of the top beam is provided with a sliding groove located outside the small electric push rod.

[0017] Preferably, the use method of the glazed photovoltaic curtain wall comprises the following steps:

[0018] S1, first, fix the buffer transition layer on the outer surface of the panel glass, then spray the special coating on the outer surface of the buffer transition layer, and dry to form a glazed layer;

[0019] S2, then, according to the order of panel glass-first white PVB adhesive film-photovoltaic cell-second white PVB adhesive film-black PVB adhesive film-bottom plate glass, sequentially stack and fix, and perform lamination under high temperature and vacuum to form a photovoltaic panel, and then weld and fix the wiring device on the back surface of the photovoltaic panel;

[0020] S3, sequentially fix the assembled photovoltaic panel, cross beam, top beam and sound insulation and heat insulation plate on one side of the outer surface of the wiring box, and then fix two groups of wiring boxes on both sides of the stand column;

[0021] S4, after installation, normal use can be realized, and the self-cleaning assembly can clean the surface of the photovoltaic panel and the cross beam in a timely manner.

[0022] Preferably, in step S3, the following steps are further included:

[0023] S31, after welding the wiring device, pass the connecting wire of the wiring device into the wiring box and embed it in the stand column.

[0024] Compared with the prior art, the present application has the following advantages:

[0025] 1. The ventilation structure is provided, air exchange is carried out between the ventilation structure and the outside air through the upper and lower openings, heat dissipation is achieved, cold air enters from the lower air sub-cavity two, passes through the air sub-cavity one, reaches the air main cavity for gathering, and then is discharged from the upper main ventilation channel, so that hot air rises in the ventilation structure, continuous air flow is formed, the temperature of the curtain wall surface and the inside is effectively reduced, the temperature difference is reduced, and the generation of thermal stress is reduced.

[0026] 2、The photovoltaic module is used for replacing ordinary tempered glass in the curtain wall, and a photovoltaic curtain wall with aesthetic appearance and power generation function can be constructed, photovoltaic and building structure are combined to form the curtain wall, aesthetic appearance and power generation are considered, and the photovoltaic technology and glazing technology are integrated, so that the curtain wall has the functions of power generation by using solar energy, and the performance and aesthetic degree of the curtain wall are improved through the glazing technology, the photovoltaic plate is sequentially stacked in the order of panel glass-first white PVB adhesive film-photovoltaic cell-second white PVB adhesive film-black PVB adhesive film-bottom plate glass, a buffer transition layer is arranged between the glazing layer and the panel glass, the buffer transition layer can absorb and relieve the thermal stress by elastic deformation, the risk of cracking, peeling or glass breaking of the glazing layer caused by the thermal stress is reduced, and the conduction path of heat between the glazing layer and the panel glass is improved, so that the heat distribution is more uniform, and the local overheating or overcooling phenomenon is reduced, thereby further reducing the generation of thermal stress.

[0027] 3、The sound insulation and heat insulation plate is composed of a base plate, a sound insulation layer plate, a heat insulation layer, a reflection layer and a sealing material, the base plate can provide a stable support structure and also has a certain fireproof effect, the sound insulation layer plate can effectively absorb and reflect sound waves to reduce the propagation of noise, and the foam has soft texture and also has a certain shock absorption effect, the heat insulation layer has excellent heat insulation performance and also has good waterproof performance, the reflection layer is adsorbed on the surface of the heat insulation layer and can reflect solar radiation heat to reduce heat absorption and further improve the heat insulation effect, the curtain wall integrating photovoltaic, sound insulation and heat insulation functions effectively improves the utilization rate of building space and makes the building internal space more spacious and open, thereby providing more flexibility for building design and layout.

[0028] 4、The photovoltaic plate surface is cleaned by the self-cleaning assembly, so that the accumulation of dust and dirt is effectively reduced, and the photoelectric conversion efficiency is improved to a certain extent, during cleaning, the motor is controlled to drive the screw rod to rotate, the sliding block, the small electric push rod and the cleaning brush are moved along the direction of the guide rod, the small electric push rod is retracted and extended to change the distance between the cleaning brush and the photovoltaic plate, so that the cleaning brush is close to the surface of the photovoltaic plate, and the dust and dirt on the surface of the photovoltaic plate are removed through the friction between the cleaning brush and the photovoltaic plate.

[0029] Figure 1 It is a three-dimensional structure schematic view of the present application;

[0030] Figure 2 It is a rear view three-dimensional structure schematic view of the photovoltaic plate of the present application;

[0031] Figure 3 It is a three-dimensional structure schematic view of the photovoltaic module of the present application;

[0032] Figure 4A cross-sectional structure schematic diagram of the frame of the present application;

[0033] Figure 5 A three-dimensional structure schematic diagram of the photovoltaic module of the present application;

[0034] Figure 6 A cross-sectional structure schematic diagram of the soundproof and heat insulation plate of the present application;

[0035] Figure 7 A three-dimensional structure schematic diagram of the soundproof and heat insulation plate of the present application;

[0036] Figure 8 A cross-sectional structure schematic diagram of the roof beam of the present application;

[0037] Figure 9 A flow chart of the present application.

[0038] In the figure: 1, a stand column; 2, a buried wire box; 3, a photovoltaic plate; 4, a cross beam; 5, a roof beam; 6, a cleaning brush; 7, a sliding groove; 8, a wiring device; 9, a heat insulation strip; 10, a frame; 11, a photovoltaic module; 12, a corner connecting piece; 13, a screw hole one; 14, a second white PVB film; 15, a screw hole two; 16, a sealing rubber strip groove; 17, a heat insulation cushion block; 18, a glazed layer; 19, a buffer transition layer; 20, a panel glass; 21, a first white PVB film; 22, a photovoltaic cell; 23, a black PVB film; 24, a bottom plate glass; 25, a soundproof and heat insulation plate; 26, a main ventilation channel; 27, an air branch area; 28, an air sub-cavity one; 29, an air sub-cavity two; 30, a base plate; 31, a soundproof layer plate; 32, a heat insulation layer; 33, a reflective layer; 34, a sealing material; 35, a control motor; 36, a guide rod; 37, a screw rod; 38, a sliding block; 39, a small electric push rod. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0040] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0041] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "mounting", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] Embodiment one

[0043] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 And Figure 9 , the present application provides an embodiment: a glazed photovoltaic curtain wall and its use method, including stand 1, the outer wall of both sides of stand 1 is mounted with buried line box 2, the outer wall of one side of two groups of buried line box 2 is mounted with two groups of photovoltaic plate 3 and crossbeam 4, crossbeam 4 and photovoltaic plate 3 are staggered distribution, the outer wall of one side of two groups of buried line box 2 is mounted with sound insulation and heat insulation plate 25, sound insulation and heat insulation plate 25 is located behind photovoltaic plate 3 and crossbeam 4, the front of sound insulation and heat insulation plate 25 is provided with ventilation structure, ventilation structure includes two groups of main ventilation channels 26 provided in the top of sound insulation and heat insulation plate 25, the bottom end of main ventilation channel 26 is mounted with air branch area 27, the bottom end of air branch area 27 is mounted with four groups of air subcavity one 28, the inside of crossbeam 4 is uniformly arranged with air subcavity two 29, air subcavity two 29 and air subcavity one 28 are corresponding in position.

[0044] Further, a ventilation structure is arranged between the soundproof and heat insulation plate 25 and the photovoltaic plate 3 and the crossbeam 4, so that air can flow in the ventilation structure, absorb the heat emitted from the back of the photovoltaic plate 3, and exchange with the outside air through the upper and lower openings in the ventilation structure, so as to achieve the purpose of heat dissipation. The air subcavity two 29 corresponds to the position of the air subcavity one 28, the cold air enters from the lower air subcavity two 29, passes through the air subcavity one 28, reaches the air branch area 27 for gathering, and then is discharged from the upper ventilation channel 26, so that the hot air rises in the ventilation structure, forming a continuous air flow, effectively reducing the temperature of the surface and the inside of the curtain wall, reducing the temperature difference, and thereby reducing the generation of thermal stress.

[0045] Embodiment two

[0046] Please refer to Figure 6 An embodiment provided by the present application is a glazed photovoltaic curtain wall and a use method thereof.

[0047] The photovoltaic plate 3 comprises a photovoltaic assembly 11 and a frame 10, the frame 10 is located outside the photovoltaic assembly 11, the photovoltaic assembly 11 comprises a glazed layer 18 located at the outermost layer, a buffer transition layer 19 is installed on the back of the glazed layer 18, a panel glass 20 is installed on the back of the buffer transition layer 19, a first white PVB film 21 is installed on the back of the panel glass 20, a photovoltaic cell 22 is installed on the back of the first white PVB film 21, a second white PVB film 14 is installed on the back of the photovoltaic cell 22, a black PVB film 23 is installed on the back of the second white PVB film 14, and a bottom plate glass 24 is installed on the back of the black PVB film 23.

[0048] The back of the photovoltaic plate 3 is provided with a wiring device 8, and a heat insulation strip 9 is arranged between the crossbeam 4 and the buried wire box 2 and between the photovoltaic plate 3 and the buried wire box 2.

[0049] Further, the column 1, the buried wire box 2, the crossbeam 4 and the wiring device 8 are all provided with small holes, facilitating the placement of connecting wires and embedding the connecting wires inside, maximizing the firmness and aesthetics of use, the crossbeam 4 and the buried wire box 2 are both metal components, and the outer frame of the photovoltaic panel 3 is also metal material, heat insulation strips 9 are installed between the crossbeam 4 and the buried wire box 2 and between the photovoltaic panel 3 and the buried wire box 2, which can prevent heat from being conducted to the buried wire box 2 through the crossbeam 4 and the photovoltaic panel 3, so that an effective heat insulation barrier is formed between the photovoltaic panel 3, the crossbeam 4 and the buried wire box 2, reducing the heat transfer in the curtain wall structure, the crossbeam 4 and the photovoltaic panel 3 are staggered, the crossbeam 4 is made of aluminum alloy material, which is used to form a frame system of the curtain wall together with the column 1, providing support for the photovoltaic panel 3 and the sound and heat insulation panel 25, bearing the weight of the photovoltaic panel 3 and the sound and heat insulation panel 25 and external forces such as wind load and earthquake load, ensuring the stability and safety of the curtain wall, and positioning and separating the photovoltaic panel 3, so that the photovoltaic panel 3 forms a neat and orderly curtain wall appearance, separating the curtain wall in the horizontal direction, facilitating construction and maintenance, the photovoltaic panel 3 is sequentially stacked in the order of panel glass 20-first white PVB film 21-photovoltaic cell 22-second white PVB film 14-black PVB film 23-bottom plate glass 24, the panel glass 20 is located at the outermost side of the curtain wall, and there is a layer of enamel coating 18 on the front surface of the panel glass 20, and a buffer transition layer 19 is arranged between the enamel coating 18 and the panel glass 20, due to the different thermal expansion coefficients of the enamel coating 18 and the panel glass 20, different degrees of expansion or contraction will occur when the temperature changes, thereby generating thermal stress between the two, the buffer transition layer 19 is made of a material with a thermal expansion coefficient between that of the enamel coating 18 and the panel glass 20, which can absorb and relieve this thermal stress through its elastic deformation when the temperature changes, reducing the risk of cracking, peeling or glass breakage of the enamel coating 18 caused by thermal stress, and also improving the conduction path between the enamel coating 18 and the panel glass 20, making the heat distribution more uniform and reducing the phenomenon of local overheating or overcooling, thereby further reducing the generation of thermal stress and improving the stability and durability of the enamel photovoltaic curtain wall in different temperature environments, the panel glass 20 and the bottom plate glass 24 jointly protect the photovoltaic cell 22, the first white PVB film 21 is used to bond the panel glass 20 and the photovoltaic cell 22 together, the second white PVB film 14 and the black PVB film 23 are used to bond the photovoltaic cell 22 and the bottom plate glass 24 together, forming a whole photovoltaic assembly 11, and an aluminum alloy material frame 10 is installed around the photovoltaic assembly 11, forming a photovoltaic panel 3, the frame 10 is used to fix and protect the glass, and the photovoltaic assembly is used to replace the ordinary tempered glass in the curtain wall, which can build a photovoltaic curtain wall with both aesthetics and power generation function, combining photovoltaic and building structure to form a curtain wall, taking into account aesthetics and power generation, and integrating photovoltaic technology and enamel process, which has the function of ordinary photovoltaic curtain wall to generate electricity by using solar energy,And through the glaze process to improve the performance and aesthetic of curtain wall.

[0050] Embodiment three

[0051] Please refer to Figure 7 , the application provides an embodiment: a glazed photovoltaic curtain wall and its use method, the sound insulation and heat insulation plate 25 includes the sealing material 34 which is attached with the photovoltaic plate 3 and the crossbeam 4, the back of the sealing material 34 is installed with the reflection layer 33, the back of the reflection layer 33 is installed with the heat insulation layer 32, the back of the heat insulation layer 32 is installed with the sound insulation layer plate 31, the back of the sound insulation layer plate 31 is installed with the base layer plate 30.

[0052] Further, the sound insulation and heat insulation plate 25 is composed of the base layer plate 30, the sound insulation layer plate 31, the heat insulation layer 32, the reflection layer 33 and the sealing material 34, the base layer plate 30 is the outermost layer, the base layer plate 30 is aluminum plate, has higher strength and durability, can provide stable support structure, can also play a certain fireproofing effect, the sound insulation layer plate 31 is mainly composed of glass wool and foam, the glass wool can effectively absorb and reflect sound waves, reduce the propagation of noise, and the foam soft texture can also play a certain damping effect, the heat insulation layer 32 is polyurethane foam, has excellent heat insulation performance, and also has good waterproof performance, the reflection layer 33 is adsorbed on the surface of the heat insulation layer 32, can reflect solar radiation heat, reduce heat absorption, further improve the heat insulation effect, the sealing material 34 is in direct contact with the photovoltaic plate 3 and the crossbeam 4, for realizing edge sealing, preventing air and noise from entering from the gap, improving the overall performance of the sound insulation and heat insulation plate 25, the curtain wall integrating photovoltaic, sound insulation and heat insulation functions effectively improves the utilization rate of building space, makes the building interior space more spacious and open, and provides more flexibility for building design and layout.

[0053] Embodiment four

[0054] Please refer to Figure 1 , Figure 2 and Figure 8 , the application provides an embodiment: a glazed photovoltaic curtain wall and its use method, the outer wall of one side of the two groups of buried wire boxes 2 is installed with the roof beam 5, the roof beam 5 is located above the photovoltaic plate 3, the inside of the roof beam 5 is installed with the self-cleaning assembly, the self-cleaning assembly includes the control motor 35 and the guide rod 36 installed in the inside of the roof beam 5, the guide rod 36 is located in front of the control motor 35, the output end of the control motor 35 is installed with the lead screw 37, the outer surface of the lead screw 37 and the guide rod 36 is sleeved with the sliding block 38, the front surface of the sliding block 38 is installed with the small electric push rod 39, the front surface of the small electric push rod 39 is installed with the cleaning brush 6, the cleaning brush 6 is located in front of the photovoltaic plate 3 and the crossbeam 4.

[0055] The front surface of the roof beam 5 is provided with the sliding groove 7, and the sliding groove 7 is located outside the small electric push rod 39.

[0056] Further, a top beam 5 is arranged on the top of the photovoltaic panel 3, and a self-cleaning assembly is installed in the top beam 5. Although the outer surface of the photovoltaic assembly 11 is coated with a glazed layer 18, which has certain dustproof and antifouling properties, it is difficult to completely avoid the accumulation of dust and dirt in use. With the passage of time, the dust and dirt on the surface of the photovoltaic panel 3 will reduce the light transmittance, thereby affecting the photoelectric conversion efficiency. By regularly starting the self-cleaning assembly to clean the surface of the photovoltaic panel 3, the accumulation of dust and dirt can be effectively reduced, and the photoelectric conversion efficiency can be improved to a certain extent. During cleaning, the motor 35 is controlled to operate, driving the screw rod 37 to rotate, so that the sliding block 38, the small electric push rod 39 and the cleaning brush 6 move along the direction of the guide rod 36. At the same time, the small electric push rod 39 is extended and retracted, changing the distance between the cleaning brush 6 and the photovoltaic panel 3, so that the cleaning brush 6 is close to the surface of the photovoltaic panel 3. The dust and dirt on the surface of the photovoltaic panel 3 are removed by the friction between the cleaning brush 6 and the photovoltaic panel 3. In addition, a nano titanium dioxide coating layer can be added to the surface of the glazed layer 18 in actual use to decompose the surface dirt by photocatalysis, further improving the self-cleaning ability.

[0057] Example five

[0058] Please refer to Figure 3 and Figure 4 An embodiment provided by the present application: a glazed photovoltaic curtain wall and a use method thereof. Corner assembly connectors 12 are installed at the four corners of the frame 10. Screw holes one 13 are formed in the corner assembly connectors 12. Screw holes two 15 are formed at the four corners of the photovoltaic assembly 11. The positions of the screw holes two 15 correspond to the positions of the screw holes one 13.

[0059] Heat insulation pads 17 are installed between the outer surface of the photovoltaic assembly 11 and the inner surface of the frame 10. Sealant groove 16 is formed in the inner surface of the frame 10. The sealant groove 16 is used to place the sealant.

[0060] Further, during installation, the assembled photovoltaic assembly 11 is first inserted into the frame 10 as a whole to play a fixing and protection role. The corner assembly connectors 12 are used in combination with bolts to form a stable frame structure for the frame 10 used for the photovoltaic assembly 11, thereby enhancing the overall strength and stability of the curtain wall. The sealant is filled in the sealant groove 16 on the inner wall of the frame 10. The heat insulation pads 17 effectively isolate the contact between the photovoltaic assembly 11 and the frame 10, thereby reducing the transmission of heat on the photovoltaic assembly 11 in the curtain wall structure, improving the heat insulation performance of the curtain wall, and reducing the energy consumption of the building.

[0061] Further, the use method of the glazed photovoltaic curtain wall comprises the following steps:

[0062] Step S1, first fix the buffer transition layer 19 on the outer surface of the panel glass 20, then spray special paint on the outer surface of the buffer transition layer 19, and dry to form the enamel layer 18;

[0063] Step S2, then according to the order of panel glass 20-first white PVB film 21-photovoltaic cell 22-second white PVB film 14-black PVB film 23-bottom plate glass 24 are sequentially stacked and fixed, and laminated under high temperature vacuum, forming photovoltaic panel 3, then the wiring device 8 is welded and fixed on the back of the photovoltaic panel 3;

[0064] Step S3, the assembled photovoltaic panel 3 and the beam 4, the top beam 5 and the sound insulation and heat insulation panel 25 are sequentially fixed on one side of the outer surface of the buried wire box 2, and then two groups of buried wire boxes 2 are fixed on both sides of the stand column 1;

[0065] Step S4, after installation, it can be used normally, and the self-cleaning assembly cleans the surface of the photovoltaic panel 3 and the beam 4 regularly;

[0066] In step S3, the following steps are further included:

[0067] Step S31, after the wiring device 8 is welded, the connecting wire of the wiring device 8 is inserted into the buried wire box 2 and embedded in the stand column 1.

[0068] Working principle: first, fix the buffer transition layer 19 on the outer surface of the panel glass 20, then spray special paint on the outer surface of the buffer transition layer 19, then place the panel glass 20 in a high temperature oven to dry, then sinter the panel glass 20, form the enamel layer 18, then sequentially stack and fix the panel glass 20-first white PVB film 21-photovoltaic cell 22-second white PVB film 14-black PVB film 23-bottom plate glass 24, after appearance monitoring is normal, enter the vacuum laminator for lamination, then use the electric hot cutter to cut off the excess glue layer, use the electric soldering iron to weld and fix the terminal box and the busbar extension part, and complete the wiring, after assembly is completed, the curtain wall can be fixed on the surface of the building required to be used;

[0069] In subsequent use, the self-cleaning assembly needs to be started regularly to clean the surface of the photovoltaic panel 3, control the motor 35 to run, drive the lead screw 37 to rotate, make the sliding block 38, small electric push rod 39 and cleaning brush 6 move along the direction of guide rod 36, at the same time, the small electric push rod 39 extends and retracts, changes the distance between the cleaning brush 6 and the photovoltaic panel 3, so that the cleaning brush 6 is close to the surface of the photovoltaic panel 3, through the friction between the cleaning brush 6 and the photovoltaic panel 3, the dust and dirt on the surface of the photovoltaic panel 3 are removed completely.

[0070] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics of the present application. The embodiments should therefore be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims with respect to the figures of the patent document.

Claims

1. A glazed photovoltaic curtain wall, characterized by: The utility model comprises a column (1), wherein both sides of the outer wall of the column (1) are installed with buried wire boxes (2), and one side outer wall of the two groups of buried wire boxes (2) are installed with two groups of photovoltaic panels (3) and cross beams (4), and the cross beams (4) and the photovoltaic panels (3) are staggered. The outer wall of the two groups of buried wire boxes (2) are installed with sound insulation and heat insulation panels (25), and the sound insulation and heat insulation panels (25) are located behind the photovoltaic panels (3) and the cross beams (4). The front of the sound insulation and heat insulation panels (25) is provided with a ventilation structure, and the ventilation structure includes two groups of main ventilation channels (26) provided on the top of the sound insulation and heat insulation panels (25), and the bottom end of the main ventilation channels (26) is installed with an air branch area (27), and the bottom end of the air branch area (27) is installed with four groups of air sub-cavities (28). The interior of the cross beam (4) is evenly arranged with air sub-cavities (29), and the position of the air sub-cavities (29) corresponds to that of the air sub-cavity (28). The photovoltaic panel (3) includes a photovoltaic module (11) and a frame (10), the frame (10) is located outside the photovoltaic module (11), the photovoltaic module (11) includes a glaze layer (18) located on the outermost layer, a buffer transition layer (19) is installed on the back of the glaze layer (18), a panel glass (20) is installed on the back of the buffer transition layer (19), a first white PVB film (21) is installed on the back of the panel glass (20), a photovoltaic cell (22) is installed on the back of the first white PVB film (21), a second white PVB film (14) is installed on the back of the photovoltaic cell (22), a black PVB film (23) is installed on the back of the second white PVB film (14), and a bottom plate glass (24) is installed on the back of the black PVB film (23); The sound and heat insulation panel (25) comprises a sealing material (34) that is in contact with the photovoltaic panel (3) and the crossbeam (4); a reflective layer (33) is installed on the back of the sealing material (34); a heat insulation layer (32) is installed on the back of the reflective layer (33); a sound insulation layer (31) is installed on the back of the heat insulation layer (32); and a base material (30) is installed on the back of the sound insulation layer (31).

2. The glazed photovoltaic curtain wall according to claim 1, characterized in that: A top beam (5) is installed on one side outer wall of the two groups of buried wire boxes (2), the top beam (5) is located above the photovoltaic panel (3), and a self-cleaning component is installed inside the top beam (5), and the self-cleaning component includes a control motor (35) and a guide rod (36) installed inside the top beam (5), the guide rod (36) is located in front of the control motor (35), and a screw rod (37) is installed at the output end of the control motor (35), and a slider (38) is sleeved on the outer surfaces of the screw rod (37) and the guide rod (36), and a small electric push rod (39) is installed on the front of the slider (38), and a cleaning brush (6) is installed on the front of the small electric push rod (39), and the cleaning brush (6) is located in front of the photovoltaic panel (3) and the cross beam (4).

3. The glazed photovoltaic curtain wall according to claim 1, characterized in that: Corner connectors (12) are installed at the four corners of the frame (10), and screw holes (13) are provided inside the corner connectors (12). Screw holes (15) are provided at the four corners of the photovoltaic module (11), and the positions of the screw holes (15) and the screw holes (13) correspond to each other.

4. The glazed photovoltaic curtain wall according to claim 1, characterized in that: A heat insulating pad (17) is installed between the outer surface of the photovoltaic module (11) and the inner surface of the frame (10), and a sealing strip groove (16) is provided on the inner surface of the frame (10), and the sealing strip groove (16) is used to place the sealing strip.

5. The glazed photovoltaic curtain wall according to claim 2, characterized in that: A wiring device (8) is installed on the back of the photovoltaic panel (3), and heat insulation strips (9) are installed between the crossbeam (4) and the buried wire box (2) and between the photovoltaic panel (3) and the buried wire box (2).

6. The glazed photovoltaic curtain wall according to claim 2, characterized in that: A slide groove (7) is provided on the front surface of the top beam (5), and the slide groove (7) is located outside the small electric push rod (39).

7. A method for using a glazed photovoltaic curtain wall, applicable to the glazed photovoltaic curtain wall according to claim 5, characterized in that: The method for using the glazed photovoltaic curtain wall comprises the following steps: Step S1: first fix the buffer transition layer (19) on the outer surface of the panel glass (20), then spray a special coating on the outer surface of the buffer transition layer (19), and dry it to form a glaze layer (18); Step S2, then stacking and fixing in the order of panel glass (20) - first white PVB film (21) - photovoltaic cell (22) - second white PVB film (14) - black PVB film (23) - bottom glass (24), and laminating under high temperature and vacuum to form a photovoltaic panel (3), and then welding and fixing the wiring device (8) to the back of the photovoltaic panel (3); Step S3, fixing the assembled photovoltaic panels (3) and the cross beams (4), the top beams (5) and the sound insulation and heat insulation panels (25) in sequence on the outer surface of one side of the buried wire box (2), and then fixing the two sets of buried wire boxes (2) on both sides of the column (1); Step S4: After installation, it can be used normally, and the self-cleaning component runs regularly to clean the surface of the photovoltaic panel (3) and the beam (4).

8. The method for using the glazed photovoltaic curtain wall according to claim 7, characterized in that: In step S3, the following steps are also included: Step S31: After the wiring device (8) is welded, the connecting wire of the wiring device (8) is passed through the buried wire box (2) and embedded in the column (1).

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