A cost-saving and high-efficiency photovoltaic power generation device

Abstract

The present invention discloses a cost-reducing and efficient photovoltaic power generation device, comprising a color steel tile, comprising a first groove and a second groove; a photovoltaic module, the circumferential outer edge of which comprises a longitudinal side wall and a transverse side wall; a fastening profile, which is provided at both ends of the color steel tile, comprising a fastening groove and a fastening side wall; a fastening assembly, which is used to lock the fastening profile, and the fastening assembly comprises a fastening rod and a clamping sleeve threadedly connected to both ends of the fastening rod. The cost-reducing and efficient photovoltaic power generation device uses the clamping sleeve to lock the fastening rod to the color steel tile while locking the fastening profile to both ends of the color steel tile. The photovoltaic module is fixed by the fixed fastening profile, which facilitates the fixed installation of the photovoltaic module. At the same time, the length of the fastening profile is less than the length of the transverse side wall, which reduces the amount and weight of the fastening profile, thereby reducing the cost and the load on the color steel tile, ensuring the structural stability of the color steel tile while reducing the shading area of ​​the fastening profile, thereby increasing the amount of photovoltaic power generation.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic power generation, and in particular to a cost-reduced high-efficiency photovoltaic power generation device. Background Art

[0002] With the development of photovoltaic product technology and the reduction of costs, the application scope of photovoltaic panels continues to expand. Currently, the fastest-growing ones are small photovoltaic power generation devices installed on various commercial and residential roofs.

[0003] Since most roofs in the prior art use colored steel tile structures, photovoltaic modules are usually installed on the colored steel tile roofs to form photovoltaic power generation devices. However, in existing photovoltaic modules, the frame profiles at the circumferential outer edges of the photovoltaic cells are sequentially connected end to end to form a closed frame structure, which increases the amount of frame profiles used in the photovoltaic modules, not only increasing the cost but also increasing the weight of the photovoltaic modules. In addition, the photovoltaic modules need to be fixed on the colored steel tiles through various mounting brackets, which further increases the load on the colored steel tiles and affects the stability of the photovoltaic power generation device structure. At the same time, during installation, the photovoltaic brackets need to be fixed on the colored steel tiles, and then the photovoltaic modules are fixed on the photovoltaic brackets, which further reduces the installation efficiency. Moreover, after the installation is completed, due to the small gap between the photovoltaic modules and the colored steel tiles, the heat generated by the photovoltaic modules during operation is not easily dissipated to the outside world, causing the temperature of the photovoltaic modules to gradually increase, and the corresponding photovoltaic power generation efficiency is reduced.

[0004] Therefore, it is necessary to improve the color steel tile photovoltaic power generation device in the prior art. Summary of the Invention

[0005] The purpose of the present invention is to overcome the defects in the prior art and provide a cost-effective and efficient photovoltaic power generation device that reduces costs, reduces loads, ensures structural stability, and is conducive to lowering temperatures to ensure high photoelectric conversion efficiency.

[0006] To achieve the above technical effects, the technical solution of the present invention is: a cost-reduced high-efficiency photovoltaic power generation device, comprising:

[0007] Color steel tiles, the color steel tiles comprising a first groove and a second groove connected in sequence and spaced apart along the width direction thereof, the notch of the first groove being upward and the notch of the second groove being downward;

[0008] Photovoltaic modules, the photovoltaic modules are distributed along the width direction of the color steel tile, the circumferential outer edge of the photovoltaic module includes two longitudinal side walls extending parallel to the length direction of the color steel tile and two transverse side walls extending parallel to the width direction of the color steel tile, the two longitudinal side walls are arranged directly above the bottoms of two of the second grooves, and there are at least two first grooves between the planes where the two longitudinal side walls are located;

[0009] A fastening profile, the fastening profile being provided at both ends of the color steel tile, the fastening profile comprising a fastening groove extending parallel to the width direction of the color steel tile and a fastening side wall provided directly below the fastening groove and having the same length direction as the fastening groove, the two ends of the fastening side wall respectively abutting against the two inner side walls of the second groove, the photovoltaic module and the bottom of the second groove being sandwiched between the inner side walls of the fastening groove;

[0010] The fastening assembly is arranged at both ends of the color steel and is used to lock the fastening profile on the color steel tile. The fastening assembly includes a fastening rod extending along the width direction of the color steel tile and abutting against the fastening side wall, and a sleeve threadedly connected to both ends of the fastening rod and respectively abutting against the inner side walls of two of the first grooves.

[0011] Preferably, in order to increase the locking contact area between the sleeve and the inner side wall of the first groove, strip openings extending along the length direction of the first groove are provided at both ends of the side wall of the first groove, and the fastening rod is passed through the inner side of the strip opening, and the strip openings at both ends of the first groove are arranged back to back; the plane where the fastening side wall is located intersects with the strip opening.

[0012] Preferably, in order to facilitate operation, the fastening profile is arranged between the sleeves at both ends of the fastening rod.

[0013] Preferably, in order to further enhance the locking effect of the jacket, a first elastic pad is provided on one side of the jacket along the locking direction, and the first elastic pad is clamped between the jacket and the inner side wall of the first groove corresponding to the jacket.

[0014] Preferably, in order to improve the efficiency of photovoltaic power generation, the outer sleeve of the fastening rod is provided with a seal, and the photovoltaic component, the first groove directly below the photovoltaic component and the seal form a cooling channel, and the cooling channel is provided with a liquid inlet and a liquid drain port, the liquid inlet is used to connect to the liquid inlet device, and the liquid drain port is used to discharge the cooling liquid.

[0015] Preferably, in order to reduce the amount of production materials used for the seal and lower production costs, the seal includes a sealing vertical plate and two sealing inclined plates distributed along the direction of the color steel tile, the two sealing inclined plates are respectively sealed with the inner wall of the first groove and are evenly sleeved on the outside of the fastening rod, and the sealing vertical plate and the two sealing inclined plates are sealed and clamped between the photovoltaic component and the bottom of the first groove.

[0016] Preferably, in order to further enhance the locking effect between the fastening rod and the fastening profile, the width of the strip-shaped opening is consistent with the outer diameter of the fastening rod; the fastening profile also includes an extended bottom wall arranged at the bottom of the fastening side wall, and the fastening rod is clamped between the fastening side wall and the extended bottom wall.

[0017] Preferably, in order to ensure a firm connection between the fastening groove and the photovoltaic assembly and the color steel tile, a second elastic pad is provided between the inner side wall of the fastening groove and the photovoltaic assembly and / or the bottom of the second groove.

[0018] Preferably, in order to enhance the locking effect of the photovoltaic component, a third groove with the groove opening facing upward is integrally formed at the bottom of the second groove arranged directly below the longitudinal side wall, and the groove space of the third groove includes an outer channel and an inner channel arranged in sequence along the groove depth direction of the third groove, and the outer channel and the inner channel are arranged in sequence along the distribution direction of the groove opening and the groove bottom of the third groove, and the width of the outer channel is smaller than the width of the inner channel, and a sliding part slides in the inner channel, and the sliding part is fixedly connected to a screw rod that passes through the inner channel upward, and the screw rod is threadedly connected to a fastener, and the photovoltaic component is clamped between the top of the third groove and the fastener.

[0019] Preferably, in order to reduce the spacing between photovoltaic modules, increase the number of photovoltaic modules that can be laid on the color steel tiles, and improve the photovoltaic power generation, two adjacent photovoltaic modules are set close to each other.

[0020] To sum up, compared with the prior art, the cost-saving and high-efficiency photovoltaic power generation device of the present invention uses a sleeve to lock the fastening rod to the color steel tile, and at the same time locks the fastening profile to the two ends of the color steel tile. The photovoltaic module is fixed by the fastening profile with a fixed position, which facilitates the fixed installation of the photovoltaic module. At the same time, the length of the fastening profile is less than the length of the lateral side wall, reducing the amount and weight of the fastening profile, thereby reducing the cost and the load of the color steel tile, ensuring the stability of the color steel tile structure while reducing the shading area of ​​the fastening profile, and improving the photovoltaic power generation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention;

[0022] Figure 2 It is a structural schematic diagram of another perspective of the present invention;

[0023] Figure 3 yes Figure 1 Front view of

[0024] Figure 4 yes Figure 3 A magnified view of part A;

[0025] Figure 5 yes Figure 1The structural diagram of one photovoltaic module is omitted;

[0026] Figure 6 yes Figure 5 A top view of

[0027] Figure 7 yes Figure 5 Explosion diagram of

[0028] Figure 8 yes Figure 5 A magnified view of part B;

[0029] Figure 9 yes Figure 5 Schematic diagram of the structure after omitting the fastening components;

[0030] Figure 10 yes Figure 9 Explosion diagram of

[0031] Figure 11 yes Figure 10 Magnified view of part C;

[0032] Figure 12 It is a structural schematic diagram of the fastening profile of the present invention;

[0033] Figure 13 yes Figure 12 Front view of

[0034] In the figure: 100, color steel tile; 101, first groove; 102, second groove; 103, third groove; 104, strip mouth; 105, liquid inlet; 106, liquid drain; 200, photovoltaic module; 201, longitudinal side wall; 202, transverse side wall; 300, fastening profile; 301, fastening groove; 302, fastening side wall; 303, extended bottom wall; 400, fastening rod; 500, jacket; 600, first elastic pad; 700, sealing member; 701, sealing vertical plate; 702, sealing inclined plate; 800, sliding member; 900, screw; 110, fastener; 120, liquid inlet pipe; 121, liquid inlet connecting pipe; 130, liquid drain pipe; 131, liquid drain connecting pipe; 140, second elastic pad. DETAILED DESCRIPTION

[0035] The following embodiments are further described in conjunction with the accompanying drawings and examples. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention and are not intended to limit the scope of protection of the present invention.

[0036] like Figures 1-13 As shown, the cost-reduced high-efficiency photovoltaic power generation device of the present invention comprises:

[0037] The color steel tile 100 includes a first groove 101 and a second groove 102 which are sequentially connected and spaced apart along its width direction, the notch of the first groove 101 is upward, and the notch of the second groove 102 is downward;

[0038] The photovoltaic modules 200 are distributed along the width direction of the color steel tile 100. The circumferential outer edge of the photovoltaic modules 200 includes two longitudinal side walls 201 extending parallel to the length direction of the color steel tile 100 and two transverse side walls 202 extending parallel to the width direction of the color steel tile 100. The two longitudinal side walls 201 are arranged directly above the bottoms of the two second grooves 102, and there are at least two first grooves 101 between the planes where the two longitudinal side walls 201 are located.

[0039] The fastening profile 300 is provided at both ends of the color steel tile 100. The fastening profile 300 includes a fastening groove 301 extending parallel to the width of the color steel tile 100 and a fastening side wall 302 provided directly below the fastening groove 301 and having the same length as the fastening groove 301. The two ends of the fastening side wall 302 respectively abut against the two inner side walls of the second groove 102. The photovoltaic module 200 and the bottom of the second groove 102 are sandwiched between the inner side walls of the fastening groove 301.

[0040] The fastening assembly is arranged at both ends of the color steel and is used to lock the fastening profile 300 on the color steel tile 100. The fastening assembly includes a fastening rod 400 extending along the width direction of the color steel tile 100 and abutting against the fastening side wall 302, and a sleeve 500 threadedly connected to both ends of the fastening rod 400 and respectively abutting against the inner walls of two of the first grooves 101.

[0041] In this high-efficiency photovoltaic power generation device, the color steel tile 100 is used to be installed on the roof of a building. After the photovoltaic module 200 is laid on the color steel tile 100, the fastening profiles 300 at both ends of the color steel tile 100 are used to connect the color steel tile 100 and the photovoltaic module 200, and then the fastening profiles 300 are locked to the color steel tile 100 through the fastening assembly, so that the position of the photovoltaic module 200 is fastened by the fixed fastening profiles 300, and the photovoltaic module 200 is used to generate photovoltaic power, thereby realizing power supply to the electrical facilities in the building.

[0042] In the invention, the color steel tile 100 includes a first groove 101 and a second groove 102 that are integrally connected and extend along its width direction. The first groove 101 and the second groove 102 extend along the length direction of the color steel tile 100. In adjacent first grooves 101 and second grooves 102, the two share a side wall, that is, the inner surface and outer surface of one side wall of the first groove 101 are respectively the outer surface and inner surface of one side wall of the second groove 102. The color steel tile 100 is in a horizontal state (that is, the length direction and width direction of the color steel tile 100 are respectively The directions are parallel to the horizontal plane), the two side walls of the first groove 101 are inclined, the bottom wall of the first groove 101 and the bottom of the second groove 102 are horizontally arranged, and the cross-section of the groove space of the first groove 101 is an upright isosceles trapezoid, and the groove width of the first groove 101 is greater than the groove bottom width of the first groove 101. At this time, correspondingly, the cross-section of the groove space of the second groove 102 is an inverted isosceles trapezoid, and the groove width of the second groove 102 is greater than the groove bottom width of the second groove 102. Figure 3 and Figure 4 As shown, the bottom of the first groove 101 is used for fixed connection to the roof of the building, while the bottom of the second groove 102 is used for laying the photovoltaic module 200.

[0043] In the present invention, there are two photovoltaic modules 200, which are spaced apart along the width direction of the color steel tile 100. Of course, according to the specific width of the color steel tile 100, the photovoltaic modules 200 can also be other multiple numbers. The backlight surface of the photovoltaic module 200 is connected to the bottom of the second groove 102, and the circumferential outer edge of the photovoltaic module 200 includes two longitudinal side walls 201 and two transverse side walls 202, wherein the longitudinal side walls 201 extend in a length direction parallel to the color steel tile 100. In order to save the amount of production materials for the color steel tile 100, reduce production costs, and facilitate installation, In the present invention, the two ends of the longitudinal side wall 201 are flush with the two ends of the color steel tile 100 in the length direction, and the transverse side wall 202 extends in a width direction parallel to the color steel tile 100. The two transverse side walls 202 are respectively flush with the two ends of the color steel tile 100, and there are at least two first grooves 101 between the planes where the two longitudinal side walls 201 are located. In the present invention, there are four first grooves 101 between the planes where the two longitudinal side walls 201 are located, that is, the transverse side wall 202 passes directly above the four first grooves 101 and passes directly above the three second grooves 102, as shown in FIG. Figures 1-4 shown.

[0044] The fastening profile 300 is arranged at both ends of the color steel tile 100, and a fastening groove 301 is provided on the fastening profile 300. During assembly, after the photovoltaic module 200 is laid on the color steel tile 100, the notch of the fastening groove 301 is facing the photovoltaic module 200, so that the length direction of the fastening groove 301 is consistent with the width direction of the color steel tile 100, and the bottom of the fastening groove 301 is abutted against the lateral side walls 202 of the color steel tile 100 and the photovoltaic module 200, while the upper side wall of the fastening groove 301 is abutted against the light-receiving surface of the photovoltaic module 200, and the lower side wall of the fastening groove 301 is located in one of the second grooves 102. In order to enhance the fixing effect, the three second grooves 102 directly below the lateral side wall 202 of each photovoltaic module 200 are connected to a fastening profile 300, that is, three fastening profiles 300 are provided on the lateral side wall 202 of the photovoltaic module 200, and the fastening groove 301 of the fastening profile 300 is facing the photovoltaic module 200; in addition, the fastening profile 300 also includes a fastening side wall 302, and the fastening side wall 302 is located directly below the fastening groove 301. When the fastening groove 301 is sealed and connected to the lateral side wall 202 of the photovoltaic module 200, the two ends of the fastening side wall 302 are respectively sealed and fitted with the two inner side walls of the second groove 102. In this way, the two inner side walls of the second groove 102 are used to act on the two ends of the fastening side wall 302, so as to prevent the fastening profile 300 from sliding and offsetting along the width direction of the color steel tile 100, thereby ensuring the stability of the connection of the fastening profile 300.

[0045] Compared with the existing technology, the width of the fastening profile 300 is smaller than the length of the lateral side wall 202, which not only reduces the length of the fastening profile 300, reduces the amount of production materials and reduces costs, but also reduces the weight of the fastening profile 300. While facilitating assembly, it reduces the load on the color steel tile 100, which is beneficial to maintaining the stability of the color steel tile 100 structure. In addition, the upper side wall of the fastening profile 300 only blocks light from part of the light-receiving surface of the photovoltaic module 200, thereby increasing the light-receiving area that the light-receiving surface of the photovoltaic module 200 can receive, thereby receiving more light, thereby improving the efficiency of photovoltaic power generation and increasing power generation.

[0046] In the present invention, fastening components are also provided at both ends of the color steel tile 100, and the fastening profiles 300 at both ends of the color steel tile 100 are locked to the color steel tile 100 through the fastening components at both ends, thereby avoiding the fastening profile 300 from shifting along the length direction of the color steel tile 100, and cooperating with the two inner side walls of the second groove 102 to achieve locking of the fastening profile 300. Since the position of the fastening profile 300 is fixed, the photovoltaic component 200 can be fixed to the color steel tile 100. Compared with the use of a photovoltaic bracket with a complex structure, the construction is convenient, the installation efficiency is improved, and the load on the color steel tile 100 is further reduced.

[0047] Specifically, the fastening assembly includes a fastening rod 400. During assembly, the length direction of the fastening rod 400 is consistent with the width direction of the color steel tile 100. The two ends of the fastening rod 400 are threadedly connected with a sleeve 500. When fixing the fastening profile 300, the circumferential outer edge of the fastening rod 400 abuts against the fastening side wall 302 of the fastening profile 300, and then the sleeve 500 is rotated at both ends of the fastening rod 400, so that the two sleeves 500 abut against the inner side walls of two first grooves 101 of the color steel tile 100, so that the fastening rod 400 is fixed to the end position of the color steel tile 100. By fixing the position of the fastening rod 400, the position of the fastening profile 300 is locked, and then the photovoltaic component 200 is fixed on the color steel tile 100.

[0048] like Figure 3 、 Figure 4 and Figure 8 As shown, when the fastening rod 400 is fixed to the color steel tile 100, the clamping sleeves 500 at both ends of the fastening rod 400 move in opposite directions during locking, and the two clamping sleeves 500 move closer to each other, so that the two clamping sleeves 500 respectively apply a locking force on the inner walls of the two first grooves 101, thereby achieving the effect of locking the position of the fastening rod 400. Of course, when the fastening rod 400 is locked at the end position of the color steel tile 100, the clamping sleeves 500 can also move in other directions. The clamping sleeves 500 at both ends of the fastening rod 400 act together on the color steel tile 100 to achieve the fixing effect of the fastening rod 400, thereby achieving the position fixation of the fastening profile 300 and the photovoltaic module 200.

[0049] In a preferred embodiment, both ends of the side wall of the first groove 101 are provided with a strip opening 104 extending along the length direction of the first groove 101, the fastening rod 400 is passed through the inner side of the strip opening 104, and the strip openings 104 at both ends of the first groove 101 are arranged back to back; the plane where the fastening side wall 302 is located intersects with the strip opening 104.

[0050] Specifically, such as Figure 3 、 Figure 4 、 Figure 6 and Figure 8 As shown, the width of the strip opening 104 is consistent with the outer diameter of the fastening rod 400, the strip openings 104 at both ends of the side wall of the first groove 101 are set back to back, and the strip opening 104 extends to the end position of the color steel tile 100 to form a socket for the fastening rod 400 to be inserted.

[0051] After adopting the above structure, during assembly, after the bottom of the fastening groove 301 of the fastening profile 300 is sealed and connected with the lateral side wall 202 of the photovoltaic module 200 and the end of the color steel tile 100, the fastening rod 400 is adjusted so that its axial direction is consistent with the width direction of the color steel tile 100, and the fastening rod 400 is located opposite the strip opening 104, and the fastening rod 400 is inserted into the strip opening 104 along the length direction of the color steel tile 100 and abuts against the fastening side wall 302 of the fastening profile 300, so that the fastening rod 400 passes through the three second grooves 102 and the two first grooves 101, and the two ends of the fastening rod 400 are respectively located in the two first grooves 101, and then the sleeve 500 is screwed into the two ends of the fastening rod 400, so that the sleeve 500 abuts against the inner side wall of the first groove 101 where the end of the fastening rod 400 is located, completing the locking of the fastening profile 300 and the photovoltaic module 200.

[0052] In the above process, since the width of the strip opening 104 is the same as the outer diameter of the fastening rod 400, the fastening rod 400 is prevented from sliding up and down when passing through the strip opening 104, which is beneficial to the position stability of the fastening rod 400. When the fastening profile 300 is locked, the fastening rod 400 can be stably leaned against the fastening side wall 302 along the length direction of the strip opening 104. Moreover, since the plane where the fastening side wall 302 is located intersects with the strip opening 104, after locking, as shown in FIG. Figure 6 As shown, the fastening rod 400 is located between the two ends of the color steel tile 100. The fastening rod 400 can be blocked by the photovoltaic assembly 200 above it, avoiding the fastening rod 400 being exposed outside the two ends of the color steel tile 100, affecting the overall appearance of the photovoltaic power generation device, and increasing the contact area between the sleeve 500 and the inner wall of the first groove 101 when the sleeve 500 is locked, thereby enhancing the locking effect of the fastening rod 400.

[0053] In a preferred embodiment, the fastening profile 300 is disposed between the jackets 500 at both ends of the fastening rod 400. Specifically, Figure 3 As shown, for any lateral side wall 202 of the photovoltaic module 200, the three fastening profiles 300 connected to the lateral side wall 202 are located between the two first grooves 101 where the sleeves 500 at both ends of the fastening rod 400 are located. In this way, when the sleeve 500 is rotated to drive the sleeve 500 to move, the contact between the sleeve 500 and the fastening profile 300 is avoided, thereby facilitating the fastening operation of the fastening rod 400 on the color steel tile 100.

[0054] In a preferred embodiment, a first elastic pad 600 is provided on one side of the jacket 500 along the locking direction. The first elastic pad 600 is sandwiched between the jacket 500 and the inner side wall of the first groove 101 corresponding to the jacket 500 .

[0055] Specifically, such as Figure 4 、 Figure 7and Figure 8 As shown, the first elastic pad 600 is a washer that is sleeved on the outside of the fastening rod 400. Its production material includes but is not limited to elastic materials such as rubber, silicone, latex, etc. One side of the first elastic pad 600 contacts and abuts the surface of the jacket 500, and the other side contacts and abuts the inner wall of the first groove 101. During locking, the sleeve 500 rotating at the end of the fastening rod 400 applies pressure to the first elastic pad 600, so that the first elastic pad 600 is in close contact with the inner wall of the first groove 101 while undergoing its own elastic deformation, further strengthening the locking effect of the sleeve 500 on the fastening rod 400, and avoiding the inner wall of the first groove 101 being directly contacted by the sleeve 500 due to the inclination of the inner wall of the first groove 101. When locking, the contact area is small, and the pressure part of the first groove 101 is deformed due to the unchanged pressure, affecting the structural stability of the color steel tile 100. Therefore, while increasing the pressure contact area through the first elastic pad 600, the pressure on the inner wall of the first groove 101 is reduced while ensuring that the locking pressure remains unchanged, thereby avoiding the possibility of deformation and damage of the color steel tile 100.

[0056] In a preferred embodiment, a seal 700 is provided on the outer cover of the fastening rod 400, and the photovoltaic component 200, the first groove 101 directly below the photovoltaic component 200, and the seal 700 form a cooling channel. The cooling channel is provided with a liquid inlet 105 and a liquid outlet 106. The liquid inlet 105 is used to connect to the liquid inlet device, and the liquid outlet 106 is used to discharge the cooling liquid.

[0057] Specifically, such as Figure 2 、 Figure 3 、 Figure 5 and Figure 6As shown, a sealing member 700 is provided in each of the two first grooves 101 spanned by the photovoltaic module 200. The top surface of the sealing member 700 is sealed with the backlight surface of the photovoltaic module 200, the bottom surface is sealed with the inner bottom wall of the first groove 101, and the two side surfaces are sealed with the two inner side walls of the first groove 101 respectively. In this way, the sealing members 700 at both ends of the first groove 101 and the inner walls of the photovoltaic module 200 and the first groove 101 are enclosed to form a cooling flow channel. The cooling flow channel is used for The coolant is usually water. The two first grooves 101 are provided with a liquid inlet 105 and a liquid drain 106 at both ends of the bottom. The color steel tile 100 is provided with a liquid inlet pipe 120 and a liquid drain pipe 130 distributed side by side. The liquid inlet pipe 120 and the liquid drain pipe 130 can be fixed on the building. The liquid inlet pipe 120 is provided with a liquid inlet connecting pipe 121 that is connected to its own lumen and is connected to the liquid inlet 105 on the color steel tile 100 in a one-to-one correspondence. 0 is provided with a drainage connecting pipe 131 which is connected to its own tube cavity and is connected to the drainage port 106 on the color steel tile 100 in a one-to-one correspondence. The input end of the liquid inlet pipe 120 is used to connect to a water pump, and the output end of the drainage pipe 130 is used to connect to a water tank. The coolant passes through the liquid inlet pipe 120, the liquid inlet connecting pipe 121 and the liquid inlet 105 in sequence and then enters the cooling flow channel. While the photovoltaic module 200 is performing photovoltaic power generation, the color steel tile 100 is exposed to daily sunlight, which causes the temperature of the photovoltaic module 200 and the color steel tile 100 to rise. The water in the cooling flow channel can absorb heat to achieve the technical effect of cooling the photovoltaic module 200 and the color steel tile 100, so that the photoelectric conversion efficiency of the photovoltaic module 200 is improved, thereby improving the overall power generation of the photovoltaic power generation device. At the same time, after the water in the cooling flow channel absorbs heat, its temperature rises and is transported to the water tank through the drainage port 106, the drainage connecting pipe 131 and the drainage pipe 130 in sequence. The high-temperature water is convenient for people's daily use, such as bathing.

[0058] In a preferred embodiment, the seal 700 includes a sealing vertical plate 701 and two sealing inclined plates 702 distributed along the direction of the color steel tile 100. The two sealing inclined plates 702 are respectively sealed with the inner wall of the first groove 101 and are evenly sleeved on the outside of the fastening rod 400. The sealing vertical plate 701 and the two sealing inclined plates 702 are sealed and clamped between the photovoltaic component 200 and the bottom of the first groove 101.

[0059] Specifically, such as Figure 4 、 Figure 5 and Figure 7As shown, the seal 700 is formed by a sealing vertical plate 701 and two sealing inclined plates 702 connected as a whole, so that the seal 700 is in the shape of a U-shaped folded plate. After installation, the U-shaped openings of the seal 700 at both ends of the color steel tile 100 are set back to each other, and the fastening rod 400 passes through the two sealing inclined plates 702. In this way, the production material consumption of the seal 700 is reduced. At the same time, the seal 700 is connected to the fastening rod 400, and is pressed on the first groove 10 by the first elastic pad 600 through the jacket 500. 1, the sealing member 700 is sealed and clamped between the inner wall of the first groove 101 and the backlight surface of the photovoltaic module 200, so that the sealing member 700 is fixed at the same time as the fastening rod 400 is locked. The sealing member 700 cooperates with the first groove 101 and the photovoltaic module 200 to form a cooling flow channel, which is beneficial to improving assembly efficiency. There is no need to install additional cooling pipes, which is convenient for storing coolant to cool the color steel tile 100 and the photovoltaic module 200, thereby improving the photoelectric conversion efficiency of the photovoltaic module 200.

[0060] In a preferred embodiment, the fastening profile 300 further includes an extended bottom wall 303 disposed at the bottom of the fastening side wall 302 , and the fastening rod 400 is sandwiched between the fastening side wall 302 and the extended bottom wall 303 .

[0061] The specific structure of the fastening profile 300 is as follows: Figure 12 and Figure 13 As shown, by providing the extended bottom wall 303 on the fastening profile 300 , the contact area between the fastening profile 300 and the fastening rod 400 is increased when the fastening profile 300 is fixed, and the locking effect of the fastening rod 400 on the fastening profile 300 is further strengthened.

[0062] In a preferred embodiment, a second elastic pad 140 is disposed between the inner sidewall of the fastening groove 301 and the photovoltaic component 200 and / or the bottom of the second groove 102 .

[0063] Specifically, such as Figure 10 and Figure 11 As shown, the second elastic pad 140 is fitted between the bottom of the second groove 102 and the inner wall below the fastening profile 300. The second elastic pad 140 is preferably made of elastic materials such as rubber and silicone. After the second elastic pad 140 is set between the color steel tile 100 and the fastening profile 300, the inner wall above the fastening groove 301 of the fastening profile 300 is tightly fitted with the light-receiving surface of the photovoltaic component 200. The second elastic pad 140 can fill the gap between the inner wall below the fastening groove 301 and the bottom of the inner wall of the second groove 102. There is a gap between the photovoltaic component 200 laid on the color steel tile 100 and the inner wall of the fastening groove 301, which causes the connection between the fastening groove 301 and the photovoltaic component 200 and the color steel tile 100 to be loose. In this way, the locking and fixing effect is enhanced by the second elastic pad 140.

[0064] In a preferred embodiment, the bottom of the second groove 102 arranged directly below the longitudinal side wall 201 is integrally formed with a third groove 103 with the groove opening facing upward, and the groove space of the third groove 103 includes an outer channel and an inner channel arranged in sequence along the groove depth direction of the third groove 103, and the outer channel and the inner channel are arranged in sequence along the distribution direction of the groove opening and the groove bottom of the third groove 103, and the width of the outer channel is smaller than the width of the inner channel, and a sliding member 800 slides in the inner channel, and the sliding member 800 is fixedly connected to a screw 900 that passes through the inner channel upward, and the screw 900 is threadedly connected to a fastener 110, and the photovoltaic module 200 is clamped between the top of the third groove 103 and the fastener 110; two adjacent photovoltaic modules 200 are arranged closely.

[0065] Specifically, such as Figure 1 、 Figure 3-Figure 9 and Figure 11 As shown, the cross-section of the third groove 103 is an inverted T-shape, the outer channel is adjacent to the bottom of the third groove 103, the inner channel is adjacent to the notch of the third groove 103, and the two sides of the sliding member 800 are in contact with the two inner side walls of the inner channel. The sliding member 800 and the screw rod 900 are combined to form a bolt, that is, the sliding member 800 is the head of the bolt, the screw rod 900 is the rod of the bolt, the screw rod 900 extends out of the outer channel and is connected to a fastener 110, which is a nut threadedly connected to the screw rod 900, and the nut abuts the light-receiving surface of the photovoltaic component 200. The spacing between two adjacent third grooves 103 is the length of the lateral side wall 202 of the photovoltaic component 200, and the two ends of the lateral side wall 202 are flush with the notch end of the third groove 103.

[0066] After adopting the above structure, in order to prevent the photovoltaic component 200 from offsetting along the width direction of the color steel tile 100, a bolt is slid into the third groove 103, so that the head of the bolt, that is, the sliding member 800, slides in the inner channel. Since the width of the inner channel is greater than the width of the outer channel, the bolt cannot be disengaged from the third groove 103 upward, and then the fastener 110 nut is screwed into the top of the screw rod 900, so that the fastener 110 abuts against the top surface of the photovoltaic component 200, and the photovoltaic component 200 is clamped between the top of the second groove 102 and the nut. In this way, the transverse side wall 202 of the photovoltaic component 200 is fixed by the fastening profile 300, and the longitudinal side wall 201 of the photovoltaic component 200 is fixed by the fastener 110, thereby ensuring the firm installation of the photovoltaic component 200 and preventing the photovoltaic component 200 from loosening and offsetting.

[0067] Moreover, two adjacent photovoltaic modules 200 are arranged close to each other, so that during installation, for the third groove 103 between the two adjacent photovoltaic modules 200, after the sliding member 800 is slid into the third groove 103, the fastener 110 is screwed into the end of the screw 900, and the fastener 110 acts on the two adjacent photovoltaic modules 200 at the same time, that is, the fixation of the two adjacent photovoltaic modules 200 is completed at the same time, which helps to reduce the assembly burden of workers and improve the installation efficiency.

[0068] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A cost-reduced high-efficiency photovoltaic power generation device, characterized in that: include: A color steel tile (100), the color steel tile (100) comprising a first groove (101) and a second groove (102) sequentially connected and spaced apart along its width direction, the notch of the first groove (101) facing upward, and the notch of the second groove (102) facing downward; A photovoltaic assembly (200), wherein the photovoltaic assembly (200) is distributed along the width direction of the color steel tile (100), and the circumferential outer edge of the photovoltaic assembly (200) includes two longitudinal side walls (201) extending in parallel with the length direction of the color steel tile (100) and two transverse side walls (202) extending in parallel with the width direction of the color steel tile (100), the two longitudinal side walls (201) are arranged directly above the bottoms of two second grooves (102), and there are at least two first grooves (101) between the planes where the two longitudinal side walls (201) are located; A fastening profile (300), the fastening profile (300) being arranged at both ends of the color steel tile (100), the fastening profile (300) comprising a fastening groove (301) extending in parallel with the width direction of the color steel tile (100) and a fastening side wall (302) arranged directly below the fastening groove (301) and having the same length direction as the fastening groove (301), the two ends of the fastening side wall (302) respectively abutting against the two inner side walls of the second groove (102), and the bottom of the photovoltaic module (200) and the second groove (102) being sandwiched between the inner side walls of the fastening groove (301); A fastening assembly, the fastening assembly being provided at both ends of the color steel and being used to lock the fastening profile (300) to the color steel tile (100), the fastening assembly comprising a fastening rod (400) extending along the width direction of the color steel tile (100) and abutting against the fastening side wall (302), and a jacket (500) being threadedly connected to both ends of the fastening rod (400) and respectively abutting against the inner side walls of two of the first grooves (101); Both ends of the side wall of the first groove (101) are provided with a strip opening (104) extending along the length direction of the first groove (101); the fastening rod (400) is passed through the inner side of the strip opening (104); the strip openings (104) at both ends of the first groove (101) are arranged back to back; the plane where the fastening side wall (302) is located intersects with the strip opening (104); The fastening profile (300) is arranged between the jackets (500) at both ends of the fastening rod (400); The width of the strip-shaped opening (104) is consistent with the outer diameter of the fastening rod (400); the fastening profile (300) further comprises an extended bottom wall (303) arranged at the bottom of the fastening side wall (302), and the fastening rod (400) is sandwiched between the fastening side wall (302) and the extended bottom wall (303).

2. The cost-reduced high-efficiency photovoltaic power generation device according to claim 1, characterized in that: A first elastic pad (600) is provided on one side of the jacket (500) along the locking direction, and the first elastic pad (600) is clamped between the jacket (500) and an inner side wall of a first groove (101) corresponding to the jacket (500).

3. The cost-reduced high-efficiency photovoltaic power generation device according to claim 1, characterized in that: The outer cover of the fastening rod (400) is provided with a sealing member (700), and the photovoltaic assembly (200), the first groove (101) directly below the photovoltaic assembly (200), and the sealing member (700) enclose a cooling channel, and the cooling channel is provided with a liquid inlet (105) and a liquid outlet (106), the liquid inlet (105) is used to connect to a liquid inlet device, and the liquid outlet (106) is used to discharge cooling liquid.

4. The cost-reduced high-efficiency photovoltaic power generation device according to claim 3, characterized in that: The sealing member (700) comprises a sealing vertical plate (701) and two sealing oblique plates (702) distributed along the direction of the color steel tile (100), the two sealing oblique plates (702) are respectively sealed with the inner side wall of the first groove (101) and are evenly sleeved outside the fastening rod (400), and the sealing vertical plate (701) and the two sealing oblique plates (702) are sealingly clamped between the photovoltaic module (200) and the bottom of the first groove (101).

5. The cost-reduced high-efficiency photovoltaic power generation device according to claim 1, characterized in that: A second elastic pad (140) is provided between the inner side wall of the fastening groove (301) and the bottom of the photovoltaic assembly (200) and / or the second groove (102).

6. The cost-reduced high-efficiency photovoltaic power generation device according to claim 1, characterized in that: A third groove (103) with an upward groove opening is integrally formed at the bottom of the second groove (102) arranged directly below the longitudinal side wall (201); the groove space in the third groove (103) includes an outer channel and an inner channel sequentially arranged along the groove depth direction of the third groove (103); the outer channel and the inner channel are sequentially arranged along the distribution direction of the groove opening and the groove bottom of the third groove (103); and the width of the outer channel is smaller than the width of the inner channel; a sliding member (800) slides in the inner channel; the sliding member (800) is fixedly connected to a screw (900) that passes through the inner channel upward; the screw (900) is threadedly connected to a fastener (110); and the photovoltaic module (200) is clamped between the top of the third groove (103) and the fastener (110).

7. The cost-reduced high-efficiency photovoltaic power generation device according to claim 6, characterized in that: Two adjacent photovoltaic components (200) are arranged in close proximity.

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