CN210379072U

CN210379072U - Photovoltaic embossed high-daylighting glass and photovoltaic glass assembly comprising same

Info

Publication number: CN210379072U
Application number: CN201921151317.XU
Authority: CN
Inventors: 郭博; 郭亚霓; 郭超
Original assignee: JIANGYIN MUXIANG ENERGY SAVING DECORATION MATER CO Ltd
Current assignee: Jiangyin Muxiang Precision Technology Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-04-21
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses photovoltaic embossed high-lighting glass, which comprises a low-iron glass sheet, an interlayer and a toughened glass sheet which are arranged in sequence, wherein the interlayer is composed of two films and a photovoltaic cell sheet clamped between the two films, and the low-iron glass sheet, the interlayer and the toughened glass sheet are respectively encapsulated by an ethylene-vinyl acetate copolymer film layer; the photovoltaic embossed high-lighting glass also comprises two embossed glass sheets; the film is made of polyvinyl butyral or ethylene-vinyl acetate copolymer. The utility model discloses having add the knurling glass piece on original photovoltaic glass's basis, still having guaranteed high daylighting effect when better protecting indoor privacy to can change its heat transfer's of photovoltaic glass tendency through the condition that changes indoor side knurling glass according to the demand of different seasons or temperature, reduce indoor air conditioner's use, energy-conserving low carbon environmental protection.

Description

Photovoltaic embossed high-daylighting glass and photovoltaic glass assembly comprising same

Technical Field

The utility model relates to a high daylighting glass of photovoltaic knurling and contain its photovoltaic glass subassembly.

Background

The solar photovoltaic glass is a special glass which is laminated into a solar cell, can generate electricity by utilizing solar radiation and is provided with a relevant current leading-out device and a cable. The solar cell is sealed between a piece of low-iron glass and a piece of back glass through the film, and is the most novel high-tech glass product for buildings. The low-iron glass is covered on the solar cell, so that high solar light transmittance can be ensured, and the low-iron glass subjected to toughening treatment also has stronger wind pressure resistance and the capability of bearing great day and night temperature difference change. But at present, the function of protecting privacy is not available, and the architectural glass on the market at present can not be changed at will in the two situations that outdoor heat is required to be transmitted into the room or outdoor heat is required to be blocked.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect that exists among the prior art, provide a high daylighting glass of photovoltaic knurling, can still guarantee high daylighting effect when better protecting indoor privacy to can change its heat transfer's of photovoltaic glass tendency through the condition that changes indoor side knurling glass according to the demand of different seasons or temperature, reduce indoor air conditioner's use, energy-conserving low carbon environmental protection.

In order to achieve the purpose, the technical scheme of the utility model is to design a photovoltaic embossed high-lighting glass, which comprises a low-iron glass sheet, an interlayer and a toughened glass sheet which are arranged in sequence, wherein the interlayer is composed of two films and a photovoltaic cell sheet clamped between the two films, and the low-iron glass sheet, the photovoltaic cell sheet and the toughened glass sheet are respectively packaged through the films; the photovoltaic embossed high-lighting glass also comprises two embossed glass sheets; the film is made of polyvinyl butyral or ethylene-vinyl acetate copolymer. The embossed glass sheet is additionally arranged on the basis of the original photovoltaic glass, so that indoor privacy can be better protected. The material of the film is PVB or EVA.

The further technical scheme is that the two embossed glass sheets are arranged on one side of the toughened glass sheet, which is far away from the interlayer, and the heat dissipation layer and the reflective heat insulation film layer are respectively arranged on one sides of the two embossed glass sheets, which are far away from the toughened glass sheet; and antireflection film layers are arranged on one side of the low-iron glass sheet, which is far away from the interlayer, and one side of the low-iron glass sheet, which faces the interlayer. The antireflection film layers are arranged on the two sides of the low-iron glass sheet, so that the lighting property of the photovoltaic glass is higher; the embossed glass is provided with the heat dissipation layer and the reflective heat insulation film layer, so that the heat of the cell of the photovoltaic glass can be conducted into a room when outdoor heat is required to be conducted into the room (especially in cold days such as winter) or the indoor temperature is required to be increased, the outdoor heat (including the heat of the cell in the photovoltaic glass) can be freely switched when the outdoor heat is required to be prevented from entering the room, the indoor requirements for temperature rise or temperature reduction are met, and the outdoor heat can be freely changed in two situations that the outdoor heat is required to be transmitted into the room or the outdoor heat is required to be prevented from being transmitted into the room. Reflective insulation Films (reflective window Films) are intelligent spectrum selective insulation Films which achieve the purpose of insulation by reflection, and the appearance of the reflective insulation Films solves the problem of secondary radiation heat transfer, which is a congenital defect of heat absorption type film insulation Films. The method adopts a magnetron sputtering process to uniformly sputter precious metals such as gold, silver, titanium, nickel, indium and the like on an optical-grade PET substrate to prepare a multilayer to dense high-heat-insulation metal film layer, and plays a role in durably reflecting and insulating infrared heat in solar spectrum. Is widely used in the industries of automobiles, architectural glass and the like. Are conventional in the glass art and are not described herein in detail.

The technical scheme is that one surface of the low-iron glass sheet facing the interlayer is a plane, and the surface of the low-iron glass sheet far away from the interlayer is composed of a plurality of lenses, wherein the lenses are in a segment shape, and the bottom surfaces of the segments are arranged facing the interlayer; the anti-reflection film layer is a microporous structure layer made of silicon dioxide or zirconium dioxide; the heat dissipation layer is a porous reticular structure layer made of graphite materials; the thickness of the anti-reflection film layer on one side, far away from the interlayer, of the low-iron glass sheet is 100-200 nm, the thickness of the anti-reflection film layer on one side, facing the interlayer, of the low-iron glass sheet is 30-80 nm, and the thickness of the heat dissipation layer is 0.5-2 mm. The arrangement of the anti-reflection film layer can increase the solar light transmittance and improve the daylighting property of the photovoltaic glass; the outer surface of the glass in the form of the lens is adopted, after the light penetrates through the glass, the light almost completely reaches the cell after being refracted, the light receiving area is also increased, the transmittance is improved, and the photoelectric conversion efficiency can be increased when the glass is used on a photovoltaic module.

The further technical scheme is that the low-iron glass sheet is formed by adjacently connecting lenses on one surface far away from the interlayer; every two lenses are transited by a circular arc; the height of the spherical segment lens is 0.1-5 mm; the thickness of the low-iron glass sheet is 1-10 mm; the overlook projection of a single lens is square, and the side length of the square is 1 mm-5.5 mm.

The utility model also provides a technical proposal that the photovoltaic glass component containing the photovoltaic glass comprises a low-iron glass sheet, an interlayer and a toughened glass sheet which are fixedly connected on the frame of the rectangular component, and also comprises two embossed glass sheets which are arranged on the frame of the component in a sliding way, the surface of the embossed glass sheet far away from the toughened glass sheet is fixedly provided with a handle, at least one frame edge of the frame of the component is fixedly provided with a waterproof ventilated membrane (of course, the method can also be set into a mode of pulling out and pushing in the remote control embossed glass, for example, a solar cell sheet in the photovoltaic glass is utilized, an electric wire connected with the cell sheet is used, the other end of the electric wire is connected with a motor, the motor is connected with a speed reducer, an output shaft of the speed reducer is fixedly connected with a gear, a rack is arranged in a gear meshing way, the rack level is set to be the condition that the setting of the, two groups of driving mechanisms can be arranged, and then the push-pull of two different pieces of patterned glass in different seasons is realized by controlling the opening and closing of a circuit through a remote controller; or a dry battery or a plug-in device can be additionally arranged to drive the motor to run if the battery cell in the photovoltaic glass is not enough in power). The edge of the figured glass can be provided with a sealing gasket to ensure that the sealing and heat-insulating performance of the photovoltaic glass can be still kept after the glass is pushed and pulled. The waterproof breathable film is arranged on the frame edge of the component frame, which is connected with the window frame (as window glass) or the adjacent component frame (as a building curtain wall or a photovoltaic roof), so that heat of the battery piece of the photovoltaic glass can be conveniently dissipated through the adjacent component frame or the space between the component frame and the window frame. The waterproof breathable film mainly comprises three layers: PP spun-bonded non-woven fabric, PE high-molecular breathable film and PP spun-bonded non-woven fabric; the spun-bonded non-woven fabric mainly has the functions of enhancing tension and hydrostatic pressure and protecting the middle layer (breathable film), and the middle layer PE high-molecular breathable film is mainly used for real ventilation. Like this in summer through push the spout of adjacent subassembly frame with the knurling glass that is equipped with the heat dissipation layer in, and will be equipped with the knurling glass of the thermal-insulated rete of reflection and pull out, can block the heat of outdoor heat and photovoltaic glass interior battery piece like this, guarantee that indoor than outdoor temperature is low, reduce indoor air conditioner's use, and then operate opposite when winter. The heat dissipation layer and the reflective heat insulation film layer can be arranged on the reflective heat insulation film layer and are closer to the indoor layer than the heat dissipation layer, so that when heat dissipation and heat transfer are needed, outdoor heat or heat in photovoltaic glass is transferred into the indoor layer, heat transfer is facilitated due to the fact that the embossed glass provided with the heat dissipation layer is close to the toughened glass, and when heat insulation is needed, the embossed glass provided with the reflective heat insulation film layer is further away from the toughened glass, and the space in the distance assists in helping a certain heat insulation effect.

The utility model has the advantages and the beneficial effects that: the embossed glass sheet is additionally arranged on the basis of the original photovoltaic glass, so that the indoor privacy can be better protected, the high lighting effect can be ensured, the heat transfer tendency of the photovoltaic glass can be changed by changing the condition of the indoor embossed glass according to the requirements of different seasons or temperatures, the use of an indoor air conditioner is reduced, and the solar photovoltaic glass is energy-saving, low-carbon and environment-friendly; the antireflection film layers are arranged on the two sides of the low-iron glass sheet, so that the lighting property of the photovoltaic glass is higher; the embossed glass is provided with the heat dissipation layer and the reflective heat insulation film layer, so that the heat of the cell of the photovoltaic glass can be conducted into a room when outdoor heat is required to be conducted into the room (especially in cold days such as winter) or the indoor temperature is required to be increased, the outdoor heat (including the heat of the cell in the photovoltaic glass) can be freely switched when the outdoor heat is required to be prevented from entering the room, the indoor requirements for temperature rise or temperature reduction are met, and the outdoor heat can be freely changed in two situations that the outdoor heat is required to be transmitted into the room or the outdoor heat is required to be prevented from being transmitted into the room. The arrangement of the anti-reflection film layer can increase the solar light transmittance and improve the daylighting property of the photovoltaic glass; the outer surface of the glass in the form of the lens is adopted, after the light penetrates through the glass, the light almost completely reaches the cell after being refracted, the light receiving area is also increased, the transmittance is improved, and the photoelectric conversion efficiency can be increased when the glass is used on a photovoltaic module. The waterproof breathable film is arranged on the frame edge of the component frame, which is connected with the window frame (as window glass) or the adjacent component frame (as a building curtain wall or a photovoltaic roof), so that heat of the battery piece of the photovoltaic glass can be conveniently dissipated through the adjacent component frame or the space between the component frame and the window frame. The heat dissipation layer and the reflective heat insulation film layer can be arranged on the reflective heat insulation film layer and are closer to the indoor layer than the heat dissipation layer, so that when heat dissipation and heat transfer are needed, outdoor heat or heat in photovoltaic glass is transferred into the indoor layer, heat transfer is facilitated due to the fact that the embossed glass provided with the heat dissipation layer is close to the toughened glass, and when heat insulation is needed, the embossed glass provided with the reflective heat insulation film layer is further away from the toughened glass, and the space in the distance assists in helping a certain heat insulation effect.

Drawings

Fig. 1 is a side view of the photovoltaic embossed high-light glass of the present invention disposed in a window frame;

fig. 2 is a front view of the present invention disposed in a window frame;

FIG. 3 is a schematic view of the present invention installed on a building curtain wall;

fig. 4 is an enlarged schematic view of the low iron glass sheet of fig. 1.

In the figure: 1. low-iron glass sheets; 2. tempering the glass sheet; 3. a film; 4. a photovoltaic cell sheet; 5. a waterproof breathable film; 6. embossing the glass sheet; 7. a heat dissipation layer; 8. a reflective heat-insulating film layer; 9. an anti-reflection film layer; 10. a lens; 11. a component frame; 12. and (4) a handle.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 4 (for convenience of illustration, fig. 1 does not show an antireflection film layer), the present invention relates to a photovoltaic embossed high-lighting glass, which comprises a low-iron glass sheet 1, an interlayer and a toughened glass sheet 2, which are sequentially arranged, wherein the interlayer is composed of two films 3 and a photovoltaic cell sheet 4 sandwiched between the two films 3, and the low-iron glass sheet 1, the photovoltaic cell sheet 4 and the toughened glass sheet 2 are respectively encapsulated by the films 3, i.e. an ethylene-vinyl acetate copolymer film layer; the photovoltaic embossed high-lighting glass also comprises two embossed glass sheets 6; the film 3 is made of polyvinyl butyral or ethylene-vinyl acetate copolymer. The two embossed glass sheets 6 are arranged on one side of the toughened glass sheet 2, which is far away from the interlayer, and the heat dissipation layer 7 and the reflective heat insulation film layer 8 are respectively arranged on one sides of the two embossed glass sheets 6, which are far away from the toughened glass sheet 2; and an antireflection film layer 9 is arranged on one side of the low-iron glass sheet 1, which is far away from the interlayer, and one side of the low-iron glass sheet, which faces the interlayer. The surface of the low-iron glass sheet 1 facing the interlayer is a plane, the surface of the low-iron glass sheet far away from the interlayer is composed of a plurality of lenses 10, the lenses 10 are in a spherical segment shape, and the bottom surfaces of the spherical segments face the interlayer; the anti-reflection film layer 9 is a microporous structure layer made of silicon dioxide or zirconium dioxide; the heat dissipation layer 7 is a porous mesh structure layer made of graphite; the thickness of the anti-reflection film layer 9 on one side, far away from the interlayer, of the low-iron glass sheet 1 is 100-200 nm, the thickness of the anti-reflection film layer 9 on one side, facing the interlayer, of the low-iron glass sheet 1 is 30-80 nm, and the thickness of the heat dissipation layer 7 is 0.5-2 mm. The lenses 10 on one side of the low-iron glass sheet 1 far away from the interlayer are adjacently connected; every two lenses 10 are transited by circular arcs; the height of the segment-shaped lens 10 is 0.1-5 mm; the thickness of the low-iron glass sheet 1 is 1-10 mm; the overlook projection of the single lens 10 is square, and the side length of the square is 1 mm-5.5 mm.

Contain photovoltaic glass's photovoltaic glass assembly, including low-iron glass piece 1, intermediate layer and toughened glass piece 2 of fixed connection on rectangle subassembly frame 11, still including sliding two knurling glass pieces 6 that set up on subassembly frame 11, 6 its fixed surface of keeping away from toughened glass piece 2 of knurling glass piece sets up handle 12, and at least one frame edge of subassembly frame 11 is fixed and is set up waterproof ventilated membrane 5.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The photovoltaic embossed high-lighting glass is characterized by comprising a low-iron glass sheet, an interlayer and a toughened glass sheet which are sequentially arranged, wherein the interlayer is composed of two films and a photovoltaic cell sheet clamped between the two films, and the low-iron glass sheet, the photovoltaic cell sheet and the toughened glass sheet are respectively packaged through the films; the photovoltaic embossed high-lighting glass also comprises two embossed glass sheets; the film is made of polyvinyl butyral or ethylene-vinyl acetate copolymer.

2. The photovoltaic embossed high-lighting glass according to claim 1, wherein the two embossed glass sheets are arranged on one side of the tempered glass sheet far away from the interlayer, and the side of the two embossed glass sheets far away from the tempered glass sheet is respectively provided with a heat dissipation layer and a reflective heat insulation film layer; and antireflection film layers are arranged on one side of the low-iron glass sheet, which is far away from the interlayer, and one side of the low-iron glass sheet, which faces the interlayer.

3. The photovoltaic embossed high-lighting glass according to claim 2, wherein one surface of the low-iron glass sheet facing the interlayer is a plane, and one surface of the low-iron glass sheet far away from the interlayer is composed of a plurality of lenses, the lenses are in a spherical segment shape, and the bottom surfaces of the spherical segments are arranged facing the interlayer; the anti-reflection film layer is a microporous structure layer made of silicon dioxide or zirconium dioxide; the heat dissipation layer is a porous reticular structure layer made of graphite materials; the thickness of the anti-reflection film layer on one side, far away from the interlayer, of the low-iron glass sheet is 100-200 nm, the thickness of the anti-reflection film layer on one side, facing the interlayer, of the low-iron glass sheet is 30-80 nm, and the thickness of the heat dissipation layer is 0.5-2 mm.

4. The photovoltaic embossed high-light glass according to claim 3, wherein the lenses on the side of the low-iron glass sheet far away from the interlayer are adjacently connected; every two lenses are transited by a circular arc; the height of the spherical segment lens is 0.1-5 mm; the thickness of the low-iron glass sheet is 1-10 mm; the overlook projection of a single lens is square, and the side length of the square is 1 mm-5.5 mm.

5. The photovoltaic glass assembly comprising the photovoltaic embossed high-lighting glass according to any one of claims 1 to 4, wherein the photovoltaic glass assembly comprises a low-iron glass sheet, an interlayer and a toughened glass sheet which are fixedly connected to a rectangular assembly frame, and further comprises two embossed glass sheets which are arranged on the assembly frame in a sliding manner, a handle is fixedly arranged on the surface of each embossed glass sheet, which is far away from the toughened glass sheet, and a waterproof breathable film is fixedly arranged on at least one frame edge of the assembly frame.