Integrated thermal insulation type building integrated photovoltaics (BIPV) unit plate and building wall surface thereof

Abstract

The utility model discloses an integrated heat preservation type building integrated photovoltaics (BIPV) unit plate and a building wall surface thereof, which comprise a frame and a photovoltaic module, the photovoltaic module is bonded with the outer surface of one side of the frame through structural adhesive, and the integrated heat preservation type BIPV unit plate is characterized by further comprising a back decorative plate, an inner decorative plate and a heat preservation cotton layer, the back decoration plate is installed on the outer surface of the other side of the frame, the internal decoration plate is arranged between the back decoration plate and the photovoltaic module, the edge of the internal decoration plate is fixedly connected with the inner side face of the frame, and the space between the back decoration plate and the internal decoration plate is filled with the heat preservation cotton layer; clamping grooves are formed in the upper end and the lower end of the frame in the length direction of the frame respectively. According to the utility model, the BIPV building wall surface is formed after the unit plates are spliced, so that the building wall surface has the power generation property and also meets other functional properties such as heat preservation, heat insulation and the like of a building.

Description

TECHNICAL FIELD

[0001] The utility model relates to building photovoltaic integration technical field, concretely relates to an integral heat preservation type BIPV unit board and building wall thereof. BACKGROUND

[0002] Photovoltaic power generation is paid more and more attention, because photovoltaic can utilize endless solar energy to convert into electric energy directly, and it is a very clean energy, especially roof distributed photovoltaic, can utilize the existing roof of building, installs photovoltaic system directly, and photovoltaic power generation can be utilized directly by the production equipment of factory.

[0003] For the roof, a variety of BIPV products can be applied, however for the wall of building, there is no good BIPV product that can be applied, and the existing photovoltaic product is mostly the product of glass curtain wall, and this type of BIPV needs to meet the specification requirements of curtain wall, and the thickness of glass should not be less than 5mm, which means that the weight of this type of BIPV product is very large, and the cost is very high, so it cannot be used in large area. SUMMARY

[0004] In view of the technical problem that the current photovoltaic product only has power generation and decoration properties, and cannot meet the heat preservation and other functional properties of building, the utility model provides an integral heat preservation type BIPV unit board and building wall thereof.

[0005] The utility model adopts the following technical scheme:

[0006] On the one hand, the utility model provides an integral heat preservation type BIPV unit board, which comprises a frame and a photovoltaic assembly, the photovoltaic assembly is bonded with one side outer surface of the frame through structural glue, the unit board further comprises a back decorative plate, an internal decorative plate and a heat preservation cotton layer, the back decorative plate is installed at the other side outer surface of the frame, the internal decorative plate is arranged between the back decorative plate and the photovoltaic assembly, and the edge thereof is fixedly connected with the inner side surface of the frame, and the heat preservation cotton layer is filled between the back decorative plate and the internal decorative plate; the frame is provided with clamping grooves arranged along the length direction at the upper and lower ends thereof.

[0007] Further, the frame comprises an upper side rabbet frame, a lower side rabbet frame, a left side rabbet frame and a right side rabbet frame;

[0008] The upper side rabbet frame comprises an upper side outer frame, an upper side inner frame and an upper side cold bridge pad, and the upper side cold bridge pad connects the upper side outer frame and the upper side inner frame; the clamping grooves are arranged on the upper side outer frame and the upper side inner frame;

[0009] The lower side rabbet frame comprises a lower side outer frame, a lower side inner frame and a lower side cold bridge breaking pad, and the lower side cold bridge breaking pad connects the lower side outer frame and the lower side inner frame; the clamping groove is arranged on the lower side outer frame and the lower side inner frame;

[0010] The left side rabbet frame comprises a left side outer frame, a left side inner frame and a left side cold bridge breaking pad, and the left side cold bridge breaking pad connects the left side outer frame and the left side inner frame.

[0011] The right side rabbet frame comprises a right side outer frame, a right side inner frame and a right side cold bridge breaking pad, and the right side cold bridge breaking pad connects the right side outer frame and the right side inner frame.

[0012] The frames of the interior decorative plate and the back decorative plate are fixedly connected with the upper side inner frame, the lower side inner frame, the left side inner frame and the right side inner frame respectively, and the photovoltaic module is adhesively fixed with the upper side outer frame, the lower side outer frame, the left side outer frame and the right side outer frame.

[0013] Further, the upper end surface of the upper side outer frame is provided with a sealing rubber strip I arranged along the length direction thereof, and the lower end surface of the lower side outer frame is provided with a sealing rubber strip II arranged along the length direction thereof; when the two unit plates are spliced together, the two unit plates are in airtight connection through the sealing rubber strips I and II.

[0014] Further preferably, the upper end surface of the upper side outer frame is provided with at least two sealing rubber strips I, and the lower end surface of the lower side outer frame is provided with at least one sealing rubber strip II; when the two unit plates are spliced together, the sealing rubber strips I on the upper side outer frame and the sealing rubber strips II on the lower side outer frame form a rabbet insertion sealing.

[0015] Further, the outer end surface of the left side outer frame and the outer end surface of the right side outer frame are respectively provided with a support rib arranged vertically along the length direction thereof.

[0016] The thermal insulation cotton layer is one of rock wool, glass silk cotton and slag wool.

[0017] In another aspect, the utility model also provides a kind of integral heat preservation type BIPV building wall surface, including several BIPV unit plates and vertically arranged vertical keels, the BIPV unit plate uses above-mentioned unit plate, multiple brackets are fixed in upper and lower intervals on the vertical keel, the bracket is equipped with the protrusion that is formed with the clamping groove on the unit plate The protrusion is respectively clamped in the clamping groove of corresponding upper and lower two unit plates;The longitudinal gap formed between the unit plate is filled with thermal insulation cotton, and decorative cover plate is provided at the opening of the longitudinal gap, and the decorative cover plate seals the thermal insulation cotton in the longitudinal gap.

[0018] Further, the longitudinal slit is further provided with a support plate in the shape of a Chinese character 'ie', which is arranged along the length direction of the longitudinal slit and fixedly connected with the support ribs on both sides thereof through a tight connection member, a fastener is further fixed on the support plate, the decorative cover plate is buckled with the fastener, and the support plate is filled with sealant between the left and right outer frames.

[0019] The technical scheme of the utility model has the following advantages:

[0020] The BIPV building wall surface has the advantages of generating electricity, reducing the consumption of standard coal and the emission of CO2, and being an integrated product which can be produced in a factory and fixed on site by using self-tapping screws, thus being extremely efficient in installation and meeting the requirements of heat preservation and other functional properties of buildings. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the specific embodiments of the utility model, the drawings used in the specific embodiments will be briefly introduced. Obviously, the drawings described below are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Figure 1 is a unit plate side view provided by the utility model;

[0023] Figure 2 is a unit plate top view provided by the utility model;

[0024] Figure 3 is a unit plate three-dimensional view provided by the utility model;

[0025] Figure 4 is a unit plate three-dimensional split view provided by the utility model;

[0026] Figure 5 is a two-unit plate up-and-down tongue-and-groove joint view I provided by the utility model;

[0027] Figure 6 is a two-unit plate up-and-down tongue-and-groove joint view II provided by the utility model;

[0028] Figure 7 is a two-unit plate left-and-right tongue-and-groove joint view I provided by the utility model;

[0029] Figure 8It is two-unit plate left and right mortise and tenon joint connection diagram II provided by the utility model;

[0030] Figure 9 It is two-unit plate upper and lower mortise and tenon joint three-dimensional schematic diagram provided by the utility model;

[0031] Figure 10 It is two-unit plate left and right mortise and tenon joint three-dimensional schematic diagram provided by the utility model;

[0032] Figure 11 It is installation completion diagram of the utility model.

[0033] The figure is marked as follows:

[0034] 1-frame

[0035] 11-upper mortise and tenon joint frame

[0036] 111-upper outer frame, 112-upper inner frame, 113-upper cold bridge break pad

[0037] 12-lower mortise and tenon joint frame

[0038] 121-lower outer frame, 122-lower inner frame, 123-lower cold bridge break pad

[0039] 13-left mortise and tenon joint frame

[0040] 131-left outer frame, 132-left inner frame, 133-left cold bridge break pad

[0041] 14-right mortise and tenon joint frame

[0042] 141-right outer frame, 142-right inner frame, 143-right cold bridge break pad

[0043] 2-photovoltaic module, 21-wiring box; 3-structural adhesive; 4-back decorative plate; 5-internal decorative plate

[0044] 6-thermal insulation cotton layer; 7-sealing rubber strip I; 8-sealing rubber strip II; 9-supporting rib

[0045] 10-vertical keel; 20-bracket, 201-protrusion; 30-thermal insulation cotton; 40-decorative cover plate

[0046] 50-supporting plate; 60-tightening connecting piece; 70-fastener; 80-sealing rubber.

[0047] A-unit plate; a-clamping groove; b-longitudinal gap; c-lateral gap. DETAILED DESCRIPTION

[0048] The technical solutions of the present application will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0049] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" 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 therefore cannot be understood as indicating or implying 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 limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0050] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between the 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.

[0051] As shown in Figures 1 to 4 The present application provides an integrated heat preservation type BIPV unit panel, which comprises a frame 1 and a photovoltaic module 2. The frame 1 is preferably a rectangular or square hollow structure. The photovoltaic module 2 is bonded to one side of the outer surface of the frame 1 by structural adhesive 3. The photovoltaic module 2 is bonded to the outer surface of the frame 1 by structural adhesive 3, thereby forming a whole. The inner side of the photovoltaic module 2 is provided with three wire boxes 21 arranged at upper, middle and lower positions. The unit panel A further comprises a back decorative plate 4, an internal decorative plate 5 and a heat insulation cotton layer 6. The back decorative plate 4 is installed at the other side of the outer surface of the frame 1. The back decorative plate 4 faces the indoor side. The internal decorative plate 5 is arranged between the back decorative plate 4 and the photovoltaic module 2. The edges of the internal decorative plate 5 are folded and then fixedly connected to the inner side of the frame 1 by bolts or self-tapping screws. The heat insulation cotton layer 6 is filled between the back decorative plate 4 and the internal decorative plate 5. The heat insulation cotton layer 6 can be filled with different thicknesses according to requirements, and the thickness range is 50-150mm. The heat insulation cotton layer 6 uses one of rock wool, glass silk and slag wool. At the same time, the frame 1 is provided with clamping grooves a arranged along the length direction at the upper and lower end faces. The clamping grooves a are arranged along the length direction and are used for supporting the subsequent upper and lower unit panels A.

[0052] The frame 1 is formed by splicing, and the frame 1 preferably comprises an upper side rabbet frame 11, a lower side rabbet frame 12, a left side rabbet frame 13 and a right side rabbet frame 14, and the material is preferably aluminum alloy material. Figure 2 and Figure 5 The upper side rabbet frame 11 comprises an upper side outer frame 111, an upper side inner frame 112 and an upper side cold bridge pad 113, and the upper side cold bridge pad 113 connects the upper side outer frame 111 and the upper side inner frame 112; a clamping groove a is formed on the upper side outer frame 111 and the upper side inner frame 112; dovetail groove structures are arranged at opposite ends of the upper side outer frame 111 and the upper side inner frame 112, respectively, and the two ends of the upper side cold bridge pad 113 have a structure matched with the dovetail groove in a plug-in manner, so as to connect the upper side outer frame 111 and the upper side inner frame 112 through the upper side cold bridge pad 113.

[0053] The lower side rabbet frame 12 comprises a lower side outer frame 121, a lower side inner frame 122 and a lower side cold bridge pad 123, and the lower side cold bridge pad 123 connects the lower side outer frame 121 and the lower side inner frame 122; a clamping groove a is arranged on the lower side outer frame 121 and the lower side inner frame 122; dovetail groove structures are arranged at opposite ends of the lower side outer frame 121 and the lower side inner frame 122, respectively, and the two ends of the lower side cold bridge pad 123 have a structure matched with the dovetail groove in a plug-in manner, so as to connect the lower side outer frame 121 and the lower side inner frame 122 through the lower side cold bridge pad 123.

[0054] The left side rabbet frame 13 comprises a left side outer frame 131, a left side inner frame 132 and a left side cold bridge pad 133, and the left side cold bridge pad 133 connects the left side outer frame 131 and the left side inner frame 132. Dovetail groove structures are arranged at opposite ends of the left side outer frame 131 and the left side inner frame 132, respectively, and the two ends of the left side cold bridge pad 133 have a structure matched with the dovetail groove in a plug-in manner, so as to connect the left side outer frame 131 and the left side inner frame 132 through the left side cold bridge pad 133.

[0055] The right side rabbet frame 14 comprises a right side outer frame 141, a right side inner frame 142 and a right side cold bridge pad 143, and the right side cold bridge pad 143 connects the right side outer frame 141 and the right side inner frame 142. Dovetail groove structures are arranged at opposite ends of the right side outer frame 141 and the right side inner frame 142, respectively, and the two ends of the right side cold bridge pad 143 have a structure matched with the dovetail groove in a plug-in manner, so as to connect the right side outer frame 141 and the right side inner frame 142 through the right side cold bridge pad 143.

[0056] The frames of the internal decorative panel 5 and the back decorative panel 4 are fixedly connected to the upper inner frame 112, the lower inner frame 122, the left inner frame 132, and the right inner frame 142, respectively. The photovoltaic module 2 is bonded to the upper outer frame 111, the lower outer frame 121, the left outer frame 131, and the right outer frame 141 using structural adhesive 3. Cooling bridge breakers are provided at each frame; two cooling bridge breakers are shown in the figure to ensure the cooling bridge breakage effect.

[0057] like Figure 5 As shown, a sealing strip I7 is provided on the upper end face of the upper outer frame 111 along its length direction, and a sealing strip II8 is provided on the lower end face of the lower outer frame 121 along its length direction. When the two unit plates A are spliced ​​together, the two unit plates A form an airtight connection through the sealing strip I7 and the sealing strip II8. Figure 5 Two sealing strips I7 are provided on the upper end face of the upper outer frame 111, one forming an end face seal and the other forming a side seal; a sealing strip II8 is provided on the lower end face of the lower outer frame 121. When the two unit panels A are spliced ​​together, the sealing strip I7 on the upper outer frame 111 and the sealing strip II8 on the lower outer frame 121 form a tongue-and-groove joint seal, such as... Figure 6 As shown, of course, there is no limit to the number of sealant strips I and II.

[0058] In order to better seal the longitudinal gaps formed by the assembled multiple unit panels A, this utility model provides support ribs 9 that are vertically arranged along their length at the outer end face of the left outer frame 131 and the outer end face of the right outer frame 141. The support ribs 9 are arranged in a continuous manner and are used for sealing the tongue and groove edges of the left and right sides of adjacent unit panels.

[0059] like Figures 7 to 11 As shown, this utility model provides an integrated thermal insulation BIPV building wall panel, including several BIPV unit panels A and vertical keels 10 arranged at intervals. The BIPV unit panels are the aforementioned unit panels A. Multiple brackets 20 are fixed to the vertical keels 10 at intervals. The brackets 20 are fixed to the vertical keels 10 by bolts. The brackets 20 shown in the figure are continuous structures, and their cross-section, preferably formed by extruding and bending steel plates, is a "Z" shape as shown in the figure. The upper and lower plates of the bracket 20... On the surface, there are protrusions 201 that are adapted to the slots a on the unit plate A. The upper and lower protrusions 201 are respectively inserted into the slots a of the two corresponding spliced ​​unit plates A, thereby providing good support and fixation for the unit plate A above the bracket 20. The longitudinal gaps b formed between each unit plate A are filled with thermal insulation cotton 30, and a decorative cover plate 40 is provided at the opening of the longitudinal gap b, which runs along the entire length of the longitudinal gap. The decorative cover plate 40 seals the thermal insulation cotton 30 in the longitudinal gap b.

[0060] The sealing structure adopted by the preferred longitudinal gap b is shown in Figure 7 and Figure 8 . The longitudinal gap b is also provided with a support plate 50 in the shape of a Chinese character in cross section, which is arranged along the length direction of the longitudinal gap b and is fixedly connected with the support ribs 9 on both sides (i.e. the left outer frame 131 and the right outer frame 141) through the tight connecting pieces 60. A fastener 70 is also fixed on the support plate 50, which is fixedly connected with the support plate 50 and is in snap connection with the decorative cover plate 40 arranged along the longitudinal gap, and the specific structure of the fastener 70 and the decorative cover plate 40 is shown in Figure 7 . Meanwhile, the support plate 50 is filled with sealing glue 80 between the left outer frame 131 and the right outer frame 141, which plays a role in air-tightness and waterproof sealing. The two unit plates A are in cross-shaped insertion connection through the sealing glue strip I7 on the upper outer frame 111 and the sealing glue strip II8 on the lower outer frame 121, and the opening of the horizontal gap c formed by the two unit plates A is filled with sealing glue 80, which plays a role in sealing and waterproofing.

[0061] Firstly, the upper cross-shaped frame 11, the lower cross-shaped frame 12, the left cross-shaped frame 13 and the right cross-shaped frame 14 are combined into an integral frame 1, and the heat insulation cotton layer 6 is filled in the inside. The back decorative plate 4 and the internal decorative plate 5 are uniformly coated with adhesive by the gluing device of the forming equipment, and are respectively bonded on both sides of the heat insulation cotton layer 6. The back decorative plate 4 is bonded on the back of the wall surface BIPV unit plate and is used as the indoor decoration layer of the building, and the internal decorative plate 5 is bonded on the inside of the wall surface BIPV unit plate. Meanwhile, the internal decorative plate 5 is fixed on each frame by the pull rivet, which plays a role in fixing the heat insulation cotton layer 6 and isolating the photovoltaic module 2. As shown in Figure 4 , the photovoltaic module 2 is bonded on the outer surface of each outer frame by the structural adhesive 3, so as to form an integral whole.

[0062] As shown in Figure 5 and Figure 6 , after the installation of the lower wall surface BIPV unit plate is completed, the aluminum alloy bracket 20 is installed, and the aluminum alloy bracket 20 is fixed on the vertical keel 10 by bolts or self-tapping screws. After the upper outer frame 111 and the lower outer frame 121 are inserted, three sealing systems are formed, which ensures the air tightness of the splicing part. Meanwhile, the two cold bridge break pads on each cross-shaped frame ensure the cold bridge breaking effect.

[0063] As shown in Figure 11As shown, the installation completed effect of the utility model, the aluminum alloy fastener 70 and the aluminum alloy decorative cover plate 40 are combined together, and play a decorative role; the setting of the heat preservation cotton and the sealing glue guarantees the air-tightness and water-tightness of the longitudinal gap, and has the properties of the glass curtain wall, the heat preservation and insulation of the building function, the air-tightness and water-tightness, and the internal decoration and the like.

[0064] The utility model provides a kind of wall surface BIPV unit board, photovoltaic module 2 adopts double glass frameless component, photovoltaic module 2 adopts BC battery technology, front no grid line, with high degree of aesthetic, high power generation efficiency, no dust accumulation and the like, photovoltaic module 2 parameters are as follows: component conversion efficiency can reach 22.8%, first year attenuation is only 1%, linear attenuation is 0.4%;Overall parameters are as follows:

[0065]

[0066] The BIPV building wall surface provided by the utility model not only has power generation property, for example, 10,000 square meter wall surface BIPV building wall surface, can install photovoltaic module 2MW, can generate 12000 degrees of electricity per day, can reduce standard coal consumption about 3.66 tons, reduce CO2 emission about 9.98 tons;Meanwhile, the utility model is integrated product, can be produced into shape in factory, only need to be fixed using self-tapping screw on site, installation efficiency is extremely high, a team single day can install 2000 square meters, 10,000 square meter wall surface can be installed in about 5 days.

[0067] The utility model is not described applicable to prior art.

[0068] Obviously, the above embodiments are only examples for clearly illustrating, and not limit the implementation. For ordinary skilled in the art, on the basis of above description, other different forms of changes or variations can be made. Here, all implementation ways need not and can not be exhausted. The obvious changes or variations derived from still be within the protection scope of the utility model.

Claims

1. An integrated thermally insulated BIPV unit panel, comprising a frame (1) and a photovoltaic module (2), wherein the photovoltaic module (2) is bonded to one outer surface of the frame (1) by structural adhesive (3), characterized in that, The unit panel (A) also includes a back decorative panel (4), an inner decorative panel (5), and a thermal insulation layer (6). The back decorative panel (4) is installed on the outer surface of the other side of the frame (1). The inner decorative panel (5) is disposed between the back decorative panel (4) and the photovoltaic module (2), and its edge is fixedly connected to the inner side of the frame (1). The thermal insulation layer (6) is filled between the back decorative panel (4) and the inner decorative panel (5). The frame (1) is provided with slots (a) arranged along its length at both the upper and lower ends.

2. The integrated insulated BIPV unit panel according to claim 1, characterized in that, The frame (1) includes an upper tongue-and-groove frame (11), a lower tongue-and-groove frame (12), a left tongue-and-groove frame (13), and a right tongue-and-groove frame (14). The upper tongue-and-groove frame (11) includes an upper outer frame (111), an upper inner frame (112), and an upper cold bridge break pad (113). The upper cold bridge break pad (113) connects the upper outer frame (111) and the upper inner frame (112). The slot (a) is provided on the upper outer frame (111) and the upper inner frame (112). The lower tongue-and-groove frame (12) includes a lower outer frame (121), a lower inner frame (122), and a lower thermal break pad (123). The lower thermal break pad (123) connects the lower outer frame (121) and the lower inner frame (122). The slot (a) is provided on the lower outer frame (121) and the lower inner frame (122). The left tongue and groove frame (13) includes a left outer frame (131), a left inner frame (132) and a left cold bridge pad (133), and the left cold bridge pad (133) connects the left outer frame (131) and the left inner frame (132); The right tongue and groove frame (14) includes a right outer frame (141), a right inner frame (142) and a right cold bridge pad (143), and the right cold bridge pad (143) connects the right outer frame (141) and the right inner frame (142). The frames of the inner decorative panel (5) and the back decorative panel (4) are fixedly connected to the upper inner frame (112), the lower inner frame (122), the left inner frame (132) and the right inner frame (142) respectively, and the photovoltaic module (2) is bonded and fixed to the upper outer frame (111), the lower outer frame (121), the left outer frame (131) and the right outer frame (141).

3. The integrated insulated BIPV unit panel according to claim 2, characterized in that, The upper outer frame (111) is provided with a sealing strip I (7) arranged along its length direction at the upper end face, and the lower outer frame (121) is provided with a sealing strip II (8) arranged along its length direction at the lower end face. When the two unit plates (A) are spliced ​​together, the two unit plates (A) form an airtight connection through the sealing strip I (7) and the sealing strip II (8).

4. The integrated insulated BIPV unit panel according to claim 3, characterized in that, At least two sealing strips I (7) are provided on the upper end face of the upper outer frame (111), and at least one sealing strip II (8) is provided on the lower end face of the lower outer frame (121). When the two unit boards (A) are spliced ​​together, the sealing strip I (7) on the upper outer frame (111) and the sealing strip II (8) on the lower outer frame (121) form a tongue and groove joint seal.

5. The integrated insulated BIPV unit panel according to claim 2, characterized in that, The outer end face of the left outer frame (131) and the outer end face of the right outer frame (141) are respectively provided with support ribs (9) arranged vertically along their length direction.

6. The integrated insulated BIPV unit panel according to claim 1, characterized in that, The insulation layer (6) is one of rock wool, glass wool, or slag wool.

7. An integrated thermal insulation BIPV building wall, comprising a plurality of BIPV unit panels and vertical keels (10) arranged at intervals, characterized in that, The BIPV unit panel adopts the unit panel (A) as described in claim 1, 2, 5 or 6. The vertical keel (10) is fixed with multiple brackets (20) at vertical intervals. The bracket (20) is provided with a protrusion (201) that is adapted to the slot (a) on the unit panel (A). The protrusion (201) is respectively inserted into the slot (a) of the corresponding upper and lower unit panels (A). The longitudinal gap (b) formed between the unit panels (A) is filled with thermal insulation cotton (30), and a decorative cover plate (40) is provided at the opening of the longitudinal gap (b). The decorative cover plate (40) seals the thermal insulation cotton (30) in the longitudinal gap (b).

8. An integrated thermal insulation BIPV building wall, comprising a plurality of BIPV unit panels and vertical keels (10) arranged at intervals, characterized in that, The BIPV unit panel adopts the unit panel (A) as described in claim 3 or 4. The vertical keel (10) is fixed with multiple brackets (20) at vertical intervals. The bracket (20) is provided with a protrusion (201) that is adapted to the slot (a) on the unit panel (A). The protrusion (201) is respectively inserted into the slot (a) of the corresponding upper and lower unit panels (A). The longitudinal gap (b) formed between the unit panels (A) is filled with thermal insulation cotton (30), and a decorative cover plate (40) is provided at the opening of the longitudinal gap (b). The decorative cover plate (40) seals the thermal insulation cotton (30) in the longitudinal gap (b).

9. The integrated thermal insulation BIPV building wall according to claim 8, characterized in that, The longitudinal gap (b) is also provided with a support plate (50) with a cross-section in the shape of a "Z". The support plate (50) is set along the length of the longitudinal gap (b) and is fixedly connected to the support ribs (9) on both sides by a fastening connector (60). A fastener (70) is also fixed on the support plate (50). The decorative cover plate (40) is snapped to the fastener (70). The support plate (50) is filled with sealant (80) between itself and the left outer frame (131) and the right outer frame (141). The two unit plates (A) form a tongue-and-groove transverse seal by the sealing strip I (7) on the upper outer frame (111) and the sealing strip II (8) on the lower outer frame (121). The opening of the transverse gap (c) formed by the two unit plates (A) is filled with sealant (80).

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