阅读说明：本技术 一种屋顶光伏架空隔热保温凳及其制备工艺 (Roof photovoltaic overhead heat insulation stool and preparation process thereof ) 是由 陶海全 方振雷 张燎原 凌强 张超 于 2019-10-17 设计创作，主要内容包括：本发明公开了一种屋顶光伏架空隔热保温凳及其制备工艺,包括安装结构框、支撑结构,所述支撑结构装配于所述安装结构框的下端,且所述安装结构框通过所述支撑结构与建筑物屋顶固连；光伏组件,所述光伏组件嵌装固定于所述嵌装空间；所述支撑结构的下端通过混凝土基础与所述建筑物屋顶固连；本发明的该保温凳结构简单、易于加工、成本低、施工简单方便、夏季隔热、冬季保温效果好,减低建筑物屋顶热损失,通过在其内集成了光伏组件能够吸收太阳能用于储备后使用,节约了能源,具有很高的经济效益,降低整个建筑的能耗问题。(The invention discloses a roof photovoltaic overhead heat insulation stool and a preparation process thereof, and the roof photovoltaic overhead heat insulation stool comprises an installation structure frame and a supporting structure, wherein the supporting structure is assembled at the lower end of the installation structure frame, and the installation structure frame is fixedly connected with a building roof through the supporting structure; the photovoltaic module is embedded and fixed in the embedding space; the lower end of the supporting structure is fixedly connected with the roof of the building through a concrete foundation; the heat-insulation bench disclosed by the invention has the advantages of simple structure, easiness in processing, low cost, simplicity and convenience in construction, heat insulation in summer and good heat-insulation effect in winter, the heat loss of the roof of a building is reduced, the photovoltaic module is integrated in the heat-insulation bench, the solar energy can be absorbed for use after being stored, the energy is saved, the heat-insulation bench has high economic benefit, and the energy consumption problem of the whole building is reduced.)

1. The utility model provides a built on stilts thermal-insulated heat preservation bench of roof photovoltaic, this heat preservation bench install in the building roof, its characterized in that, the heat preservation bench includes:

the installation structure comprises an installation structure frame (1), wherein an embedded space is formed inside the installation structure frame (1);

the supporting structure (2) is assembled at the lower end of the mounting structure frame (1), and the mounting structure frame (1) is fixedly connected with the roof of a building through the supporting structure (2);

the photovoltaic module is embedded and fixed in the embedding space;

this heat preservation bench still includes:

the junction box (4) is integrated at the lower end of the mounting structure frame (1) and electrically connected with the photovoltaic module, and a power line is arranged outside the junction box (4);

the lower end of the supporting structure (2) is fixedly connected with the roof of the building through a concrete foundation (3);

the supporting structure (2) is divided into a front side supporting leg and a rear side supporting leg;

the relative height of the front side supporting leg and the rear side supporting leg is adjusted through the concrete foundation (3);

the mounting structure is characterized in that a mounting plate structure is prefabricated between the supporting structure (2) and the mounting structure frame (1), and the supporting structure (2) and the mounting structure frame (1) are detachably mounted through the mounting plate structure.

2. The roof photovoltaic overhead heat insulation and preservation bench is characterized in that the whole installation structure frame (1) is a quadrangular frame structure with hollow upper and lower ends;

the lower end of the mounting structure frame (1) extends inwards to form a first mounting part (101);

the upper end of the mounting structure frame (1) extends inwards to form a reinforcing part (102);

the upper ends of the front supporting leg and the rear supporting leg are respectively provided with a second mounting part (201) matched with the first mounting part (101);

the first mounting part (101) and the second mounting part (201) are both plate structures;

the first mounting part (101) and the second mounting part (201) form the mounting structure;

the first mounting portion (101) and the second mounting portion (201) are bolted to form a demountable mounting structure.

3. The roof photovoltaic overhead thermal insulation bench according to claim 2, wherein the concrete foundation (3) comprises a structural channel (202) mounted with the front and/or rear support legs;

when the structural groove (202) is installed at the lower end of the front support leg, the lower part of the front support leg is embedded into the structural groove (202);

when the structural groove (202) is installed at the lower end of the rear side supporting leg, the lower part of the rear side supporting leg is embedded into the structural groove (202);

the periphery of the structural groove (202) is made of concrete as a foundation;

embedding anchor bolts in the roof of the building, wherein the anchor bolts partially extend out of the roof;

the concrete foundation (3) wraps the anchor bolt to form a fixed connection with the roof of the building.

4. The roof photovoltaic overhead thermal insulation bench of claim 3, wherein the structural trough (202) has a first plate extending in a vertical direction and a second plate extending in a horizontal direction and attached to a lower end of the first plate;

the first plate and the second plate are formed into rectangular grooves with upper ends opened;

the lower ends of the front side supporting leg and the rear side supporting leg can be embedded into the rectangular groove;

the upper end part of the structural groove (202) leaks out of the concrete foundation (3).

5. The roof photovoltaic overhead thermal insulation bench according to claim 4, characterized in that a reinforcement bolt (2032) is installed along the horizontal direction of the structure groove (202), and the reinforcement bolt (203) penetrates the support structure (2) to limit the vertical displacement of the support structure (2) and the structure groove (203).

6. The roof photovoltaic overhead heat insulation bench according to claim 2, wherein the photovoltaic module comprises a back plate glass (502), a battery chip (501) and a front plate glass (503) from bottom to top in sequence;

the back plate glass (502) and the battery chip (501) are fixedly stuck and sealed through a packaging adhesive film (504);

the front plate glass (503) and the battery chip (501) are fixedly stuck and sealed through a packaging adhesive film (504);

the back plate glass (502) is supported at the inner side of the first mounting part (101);

the reinforced part (102) is lapped on the upper part of the front plate glass (503);

the sides of the battery chip (501) and the packaging adhesive film (504) are filled and sealed through a sealing adhesive film (505);

the back plate glass (502) is toughened glass, and reflective paper is pasted on one side, facing the roof of the building, of the back plate glass (502);

the front plate glass (503) is hard glass, flexible toughened glass or ultra-white toughened glass;

the packaging adhesive film (504) is an EVA adhesive film;

the sealing adhesive film (505) is a butyl rubber adhesive tape;

the mounting structure frame (1) is an aluminum frame.

7. The roof photovoltaic overhead thermal insulation stool according to claim 6, wherein the battery chip (501) is a laminated silicon crystal battery.

8. A preparation process of a roof photovoltaic overhead heat insulation stool is characterized by mainly comprising the following process steps:

s1, sequentially laminating 3.2mm of toughened glass, 250-micron EVA (ethylene vinyl acetate) adhesive films, series-welded connected silicon chips, 250-micron EVA adhesive films, 1mm of PIB (polyimide) sealant adhesive films and 3.2mm of toughened glass from bottom to top to form a component to be laminated, and putting the component to be laminated into a laminating machine;

s2, in the temperature rising stage, starting a heating part of a laminating machine, controlling the temperature rising range to be 80-100 ℃, and keeping the temperature in the cavity to be 80 ℃;

s3, in a vacuumizing stage, enabling the laid laminated component to be pressed to enter an inner cavity of a laminating machine for vacuumizing, wherein the vacuumizing time is 400-800S, and the vacuum degree is controlled to be 5-25 Pa;

s4, a first pressurizing stage, wherein the to-be-pressed layer assembly is pressurized, the pressure is controlled to be 35-60 (-kPa), and the pressurizing time is controlled to be 120-240S;

s5, a second pressurizing stage, wherein the second pressurizing is carried out on the to-be-laminated assembly, the pressure is controlled to be 60-85 (-kPa), and the pressurizing time is controlled to be 120-240S;

s6, a third pressurizing stage, wherein the third pressurizing is carried out on the component to be laminated, the pressure is controlled to be 85-100 (-kPa), and the pressurizing time is controlled to be 720-900S;

s7, cooling, namely conveying the photovoltaic module formed after lamination to a cooling area, controlling the cooling time to be 300-600S, and cooling to room temperature;

s8, trimming, namely placing the cooled photovoltaic module on an operation platform, and cutting and cleaning the edge adhesive film of the photovoltaic module by using a cutter;

s9, mounting a junction box (4), adhering the junction box (4) to the back of the component leading-out end by using silica gel, carrying out insulation waterproof sealing, and then carrying out residue scrubbing and cleaning on the component after sealing and fixing;

and S10, embedding the treated photovoltaic module into the mounting structure frame (1), fastening the supporting structure (2) at the bottom by bolts, and fixedly connecting the supporting structure with the roof of the building through the concrete foundation (3).

9. The process for preparing the roof photovoltaic overhead thermal insulation stool as claimed in claim 8, wherein in the step S10, the installation height of the support structure (2) is adjusted by the concrete foundation (3), and the installation height of the support structure (2) is determined according to the extending direction of the upper surface of the roof of the building.

Technical Field

The invention relates to the technical field of building heat insulation and preservation, in particular to a roof photovoltaic overhead heat insulation and preservation stool and a preparation process thereof.

Background

The roof of a building receives sunlight all the year round, and meanwhile, in cold winter, the roof of the building is also in a low-temperature state due to accumulated snow. Therefore, the roof of the building needs to be treated for heat preservation and insulation so as to avoid the situation that the indoor environment is hot in summer and cold in winter in living.

The solar photovoltaic panel is a device capable of receiving light energy and converting the light energy into electric energy, is more suitable for roofs of houses, or windows, utilizes the characteristics of receiving light energy and converting the light energy, not only can utilize converted electric energy to supply power for the heating plate so as to provide heat energy, but also can store the converted electric energy in the storage battery, and can serve as a standby power supply in the use of later-period household low-power electric appliances so as to reduce the household electricity consumption burden.

However, long-term research shows that there is no good device for roof "hot in summer and cold in winter" in the prior art, and therefore, based on this technical problem, a person skilled in the art needs to develop a device capable of collecting solar energy and avoiding the "hot in summer and cold in winter" phenomenon.

Disclosure of Invention

The invention aims to provide a roof photovoltaic overhead heat insulation bench which is novel in structure, fully absorbs solar energy and can be assembled with a building roof for use, and a preparation process thereof.

In order to achieve the above purpose, the invention provides the following technical scheme:

the invention relates to a roof photovoltaic overhead heat insulation stool, which is arranged on the roof of a building, and comprises:

the installation structure frame is internally formed into an embedding space;

the supporting structure is assembled at the lower end of the mounting structure frame, and the mounting structure frame is fixedly connected with the roof of the building through the supporting structure;

the photovoltaic module is embedded and fixed in the embedding space;

this heat preservation bench still includes:

the junction box is integrated at the lower end of the mounting structure frame and electrically connected with the photovoltaic module, and a power line is arranged outside the junction box;

the lower end of the supporting structure is fixedly connected with the roof of the building through a concrete foundation;

the support structure is divided into a front side support leg and a rear side support leg;

the relative heights of the front side supporting legs and the rear side supporting legs are adjusted through the concrete foundation;

the prefabricated mounting plate structure between bearing structure and the mounting structure frame, bearing structure and mounting structure frame pass through mounting plate structure demountable installation.

Furthermore, the whole installation structure frame is a quadrilateral frame structure with hollow upper and lower ends;

the lower end of the mounting structure frame extends inwards to form a first mounting part;

the upper end of the mounting structure frame extends inwards to form a reinforcing part;

the upper ends of the front side supporting leg and the rear side supporting leg are respectively provided with a second mounting part matched with the first mounting part;

the first mounting part and the second mounting part are both plate structures;

the first mounting part and the second mounting part form the mounting structure;

the first mounting portion and the second mounting portion are bolted together to form a demountable mounting structure.

Further, the concrete foundation includes a structural channel mounted with the front support leg and/or the rear support leg;

when the structural groove is arranged at the lower end of the front side supporting leg, the lower part of the front side supporting leg is embedded into the structural groove;

when the structural groove is arranged at the lower end of the rear side supporting leg, the lower part of the rear side supporting leg is embedded into the structural groove;

the periphery of the structural groove is made into a foundation through concrete;

embedding anchor bolts in the roof of the building, wherein the anchor bolts partially extend out of the roof;

the concrete foundation wraps the anchor bolt to form a fixed connection with the building roof.

Furthermore, the structural groove is provided with a first plate extending along the vertical direction and a second plate extending along the horizontal direction and fixedly connected to the lower end of the first plate;

the first plate and the second plate are formed into rectangular grooves with upper ends opened;

the lower ends of the front side supporting leg and the rear side supporting leg can be embedded into the rectangular groove;

and the upper end part of the structural groove is externally leaked out of the concrete foundation.

Further, a reinforcing bolt is installed along the horizontal direction of the structural groove, and penetrates through the supporting structure to limit the vertical displacement of the supporting structure and the structural groove.

Further, the photovoltaic module sequentially comprises back plate glass, a battery chip and front plate glass from bottom to top;

the back plate glass and the battery chip are fixedly adhered through a packaging adhesive film to form sealing;

the front plate glass and the battery chip are fixedly adhered through a packaging adhesive film to form sealing;

the back plate glass is supported on the inner side of the first mounting part;

the reinforced part is lapped on the upper part of the front plate glass;

the battery chip and the side surface of the packaging adhesive film are filled and sealed through the sealing adhesive film;

the back plate glass is toughened glass, and reflective paper is pasted on one side, facing the roof of the building, of the back plate glass;

the front glass is hard glass, flexible toughened glass or ultra-white toughened glass;

the packaging adhesive film is an EVA adhesive film;

the sealing adhesive film is a butyl rubber adhesive tape;

the mounting structure frame is an aluminum frame.

Furthermore, the battery chip is a laminated silicon crystal battery.

The invention discloses a preparation process of a roof photovoltaic overhead heat insulation stool, which mainly comprises the following process steps:

s1, sequentially laminating 3.2mm of toughened glass, 250-micron EVA (ethylene vinyl acetate) adhesive films, series-welded connected silicon chips, 250-micron EVA adhesive films, 1mm of PIB (polyimide) sealant adhesive films and 3.2mm of toughened glass from bottom to top to form a component to be laminated, and putting the component to be laminated into a laminating machine;

s2, in the temperature rising stage, starting a heating part of a laminating machine, controlling the temperature rising range to be 80-100 ℃, and keeping the temperature in the cavity to be 80 ℃;

s3, in a vacuumizing stage, enabling the laid laminated component to be pressed to enter an inner cavity of a laminating machine for vacuumizing, wherein the vacuumizing time is 400-800S, and the vacuum degree is controlled to be 5-25 Pa;

s4, a first pressurizing stage, wherein the to-be-pressed layer assembly is pressurized, the pressure is controlled to be 35-60 (-kPa), and the pressurizing time is controlled to be 120-240S;

s5, a second pressurizing stage, wherein the second pressurizing is carried out on the to-be-laminated assembly, the pressure is controlled to be 60-85 (-kPa), and the pressurizing time is controlled to be 120-240S;

s6, a third pressurizing stage, wherein the third pressurizing is carried out on the component to be laminated, the pressure is controlled to be 85-100 (-kPa), and the pressurizing time is controlled to be 720-900S;

s7, cooling, namely conveying the photovoltaic module formed after lamination to a cooling area, controlling the cooling time to be 300-600S, and cooling to room temperature;

s8, trimming, namely placing the cooled photovoltaic module on an operation platform, and cutting and cleaning the edge adhesive film of the photovoltaic module by using a cutter;

s9, mounting a junction box, namely adhering the junction box to the back of the component of the leading-out end of the component by using silica gel, carrying out insulation waterproof sealing, and then carrying out residue scrubbing and cleaning on the component after sealing and fixing;

and S10, embedding the processed photovoltaic module in the mounting structure frame, fastening the supporting structure at the bottom by bolts, and fixedly connecting the supporting structure with the roof of the building through the concrete foundation.

Further, in the step S10, the installation height of the support structure is adjusted by the concrete foundation, and the installation height of the support structure is determined according to the extending direction of the upper surface of the roof of the building.

In the technical scheme, the roof photovoltaic overhead heat insulation stool and the preparation process thereof have the following beneficial effects:

the heat-insulation bench disclosed by the invention has the advantages of simple structure, easiness in processing, low cost, simplicity and convenience in construction, heat insulation in summer and good heat-insulation effect in winter, the heat loss of the roof of a building is reduced, the photovoltaic module is integrated in the heat-insulation bench, the solar energy can be absorbed for use after being stored, the energy is saved, the heat-insulation bench has high economic benefit, and the energy consumption problem of the whole building is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic structural view of a roof photovoltaic overhead heat insulation stool provided by an embodiment of the invention;

fig. 2 is a schematic view of a connection structure between a support structure of a roof photovoltaic overhead heat insulation bench and a concrete foundation according to an embodiment of the present invention.

Description of reference numerals:

1. mounting a structural frame; 2. a support structure; 3. a concrete foundation; 4. a junction box;

101. a first mounting portion; 102. a reinforcing part;

201. a second mounting portion; 202. a structural groove; 203. reinforcing the bolt;

501. a battery chip; 502. back plate glass; 503. front plate glass; 504. packaging the adhesive film; 505. and sealing the adhesive film.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

See fig. 1-2;

the invention relates to a roof photovoltaic overhead heat insulation stool, which is arranged on the roof of a building and comprises:

the installation structure frame 1, the installation structure frame 1 is internally formed into an embedding space;

the supporting structure 2 is assembled at the lower end of the mounting structure frame 1, and the mounting structure frame 1 is fixedly connected with the roof of a building through the supporting structure 2;

the photovoltaic module is embedded and fixed in the embedding space;

this heat preservation bench still includes:

the junction box 4 is integrated at the lower end of the mounting structure frame 1 and electrically connected with the photovoltaic module, and a power line is arranged outside the junction box 4;

the lower end of the supporting structure 2 is fixedly connected with the roof of the building through a concrete foundation 3;

the support structure 2 is divided into a front side support leg and a rear side support leg;

the relative heights of the front side support legs and the rear side support legs are adjusted through the concrete foundation 3;

the mounting plate structure is prefabricated between the supporting structure 2 and the mounting structure frame 1, and the supporting structure 2 and the mounting structure frame 1 are detachably mounted through the mounting plate structure.

In practical use, the heat-insulating stools are used together in a plurality of groups and can fully play a role; the heat preservation stool mainly comprises an installation structure frame 1 used for embedding a photovoltaic module, an embedding space is formed inside the installation structure frame 1, the photovoltaic module is embedded in the embedding space, meanwhile, the supporting structure 2 is installed on the lower portion of the installation structure frame 1, the supporting structure 2 is assembled with a building roof, and the main installation mode is a mode of fixing through a concrete foundation 3. Because the trend of building roof can have the difference, consequently, need utilize concrete foundation 3 to carry out the slope setting to bearing structure 2, make the photovoltaic module of assigned position can fully receive solar energy, and whole building roof probably comprises plane and domatic, consequently, concrete foundation 3's height also can suitably change according to the trend of building roof to guarantee that photovoltaic module can face corresponding sunshine one side, improve photoelectric conversion efficiency.

Preferably, in the present embodiment, the whole mounting structure frame 1 is a quadrilateral frame structure with hollow upper and lower ends;

the lower end of the mounting structure frame 1 extends inwards to form a first mounting part 101;

the upper end of the mounting structure frame 1 extends inwards to form a reinforcing part 102;

the upper ends of the front supporting leg and the rear supporting leg are respectively provided with a second mounting part 201 matched with the first mounting part 101;

the first mounting part 101 and the second mounting part 201 are both plate structures;

the first mounting part 101 and the second mounting part 201 form a mounting structure;

the first mounting portion 101 and the second mounting portion 201 are bolted to form a detachable mounting structure.

Wherein, the concrete foundation 3 comprises a structural groove 202 which is arranged with the front side supporting leg and/or the rear side supporting leg;

when the lower end of the front side supporting leg is provided with the structural groove 202, the lower part of the front side supporting leg is embedded into the structural groove 202;

when the lower end of the rear side support leg is provided with the structural groove 202, the lower part of the rear side support leg is embedded into the structural groove 202;

the periphery of the structural groove 202 is based on concrete production;

embedding anchor bolts in the roof of the building, wherein the anchor bolts partially extend out of the roof;

the concrete foundation 3 is wrapped around the anchor to form a fixed connection with the roof of the building.

The present embodiment further defines the structure of the mounting structure frame 1 and the structure of the support structure 2 assembled with the mounting structure frame 1. Wherein, mounting structure frame 1 is as photovoltaic module's carrier, and the space of inlaying of its inside formation firmly fixes photovoltaic module in it, and simultaneously, for convenient receiving solar energy, the upper and lower both ends of mounting structure frame 1 are open structure, and the whole embedding of photovoltaic module is in mounting structure frame 1, lets the solar energy accepting face expose to guarantee the later stage and receive solar energy, and the lower extreme of mounting structure frame 1 is open can make things convenient for the installation and the wiring of terminal box 4. And the external power cord that has of terminal box 4 of this embodiment can with consumer electric connection, for example electric heating pipe, small-size consumer etc. this photovoltaic module stores reserve after turning into the electric energy with solar energy, uses as stand-by power supply, simultaneously, will shine the solar energy absorption on the roof, also can solve the problem of "summer heat", and the solar energy later stage of the photovoltaic module conversion of this embodiment can be regarded as the power of heating equipment to this problem to roof "cold winter".

In addition, for the convenience of installing the supporting structure 2, namely the front supporting leg and the rear supporting leg, a structural groove 202 is designed, the structural groove 202 can be used for embedding the supporting structure 2 on one hand, and can be connected with the concrete foundation 3 on the other hand, so that any component can be replaced conveniently in the later period, the whole structure, particularly, main components above the supporting structure 2 cannot be damaged.

Preferably, the structural groove 202 in this embodiment has a first plate extending in a vertical direction and a second plate extending in a horizontal direction and fixedly connected to a lower end of the first plate;

the first plate and the second plate are formed into rectangular grooves with the upper ends open;

the lower ends of the front side supporting leg and the rear side supporting leg can be embedded into the rectangular groove;

the upper end portion of the structural groove 202 leaks outside the concrete foundation 3.

In order to make the clamped support structure 2 more stable, a reinforcing bolt 203 is installed along the horizontal direction of the structure groove 202, and the reinforcing bolt 203 penetrates through the support structure 2 to limit the vertical displacement of the support structure 2 and the structure groove 202.

Preferably, in this embodiment, the photovoltaic module sequentially includes a back plate glass 502, a battery chip 501 and a front plate glass 503 from bottom to top;

the back plate glass 502 and the battery chip 501 are fixedly adhered through the packaging adhesive film 504 to form sealing;

the front plate glass 503 and the battery chip 501 are fixed and sealed by the packaging adhesive film 504;

the back plate glass 502 is supported on the inner side of the first mounting portion 101;

the reinforcing portion 102 is attached to the upper portion of the front glass 503;

the battery chip 501 and the side surfaces of the packaging adhesive film 504 are filled and sealed through a sealing adhesive film 505;

the back plate glass 502 is toughened glass, and reflective paper is pasted on one side, facing the roof of the building, of the back plate glass 502;

the front plate glass 503 is hard glass, flexible toughened glass or ultra-white toughened glass;

the packaging adhesive film 504 is an EVA adhesive film;

the sealant film 505 is a butyl rubber tape;

the mounting structure frame 1 is an aluminum frame.

The battery chip 501 is a laminated silicon crystal battery.

The back plate glass of this embodiment needs to play protection and support effect to the battery chip, has certain insulating nature, water resistance, ageing resistance, can increase of service life, reduces the power decay problem in the long-term use, and as preferred material, the back plate glass 502 of this embodiment chooses toughened glass for use.

The front plate glass 503 of the embodiment has certain light transmittance, weather resistance, insulation, water resistance and mechanical strength, and can protect and support the battery chip 501, thereby prolonging the service life of the battery. It can be hard glass, flexible toughened glass, super-white toughened glass, etc. The front plate glass 503 of the present embodiment is most preferably ultra-white tempered glass.

The packaging adhesive film 504 of the present embodiment is made of a material having a certain light transmittance, weather resistance, high adhesive strength, and high resistivity. Preferably, the encapsulant 504 of the present embodiment is an EVA encapsulant.

The sealant film 505 of the present embodiment is required to have good chemical and thermal stability, most notably air and water tightness, and also to have good heat resistance, ozone resistance, aging resistance, milk chemicals resistance, shock absorption, electrical insulation, and good resistance to sunlight and ozone, which can effectively increase the structural stability of the device. In combination with the above process requirements, the sealant film 505 of the present embodiment is preferably a butyl rubber tape.

The invention discloses a preparation process of a roof photovoltaic overhead heat insulation stool, which mainly comprises the following process steps:

s1, sequentially laminating 3.2mm of toughened glass, 250-micron EVA (ethylene vinyl acetate) adhesive films, series-welded connected silicon chips, 250-micron EVA adhesive films, 1mm of PIB (polyimide) sealant adhesive films and 3.2mm of toughened glass from bottom to top to form a component to be laminated, and putting the component to be laminated into a laminating machine;

s2, in the temperature rising stage, starting a heating part of a laminating machine, controlling the temperature rising range to be 80-100 ℃, and keeping the temperature in the cavity to be 80 ℃;

s3, in a vacuumizing stage, enabling the laid laminated component to be pressed to enter an inner cavity of a laminating machine for vacuumizing, wherein the vacuumizing time is 400-800S, and the vacuum degree is controlled to be 5-25 Pa;

s4, a first pressurizing stage, wherein the to-be-pressed layer assembly is pressurized, the pressure is controlled to be 35-60 (-kPa), and the pressurizing time is controlled to be 120-240S;

s5, a second pressurizing stage, wherein the second pressurizing is carried out on the to-be-laminated assembly, the pressure is controlled to be 60-85 (-kPa), and the pressurizing time is controlled to be 120-240S;

s6, a third pressurizing stage, wherein the third pressurizing is carried out on the component to be laminated, the pressure is controlled to be 85-100 (-kPa), and the pressurizing time is controlled to be 720-900S;

s7, cooling, namely conveying the photovoltaic module formed after lamination to a cooling area, controlling the cooling time to be 300-600S, and cooling to room temperature;

s8, trimming, namely placing the cooled photovoltaic module on an operation platform, and cutting and cleaning the edge adhesive film of the photovoltaic module by using a cutter;

s9, mounting the junction box 4, adhering the junction box 4 to the back of the component leading-out end by using silica gel, carrying out insulation waterproof sealing, and then carrying out residue scrubbing and cleaning on the component which is sealed and fixed;

and S10, embedding the treated photovoltaic module into the mounting structure frame 1, fastening the supporting structure 2 at the bottom by bolts, and fixedly connecting the supporting structure with the roof of the building through the concrete foundation 3.

Preferably, the installation height of the support structure 2 is adjusted by the concrete foundation 3 in the step S10, and the installation height of the support structure 2 is determined according to the extending direction of the upper surface of the roof of the building.

In the technical scheme, the roof photovoltaic overhead heat insulation stool and the preparation process thereof have the following beneficial effects:

the heat-insulation bench disclosed by the invention has the advantages of simple structure, easiness in processing, low cost, simplicity and convenience in construction, heat insulation in summer and good heat-insulation effect in winter, the heat loss of the roof of a building is reduced, the photovoltaic module is integrated in the heat-insulation bench, the solar energy can be absorbed for use after being stored, the energy is saved, the heat-insulation bench has high economic benefit, and the energy consumption problem of the whole building is reduced.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.