CN115864978A

CN115864978A - Frame, pressing block, photovoltaic module, photovoltaic power generation system and mounting method of photovoltaic power generation system

Info

Publication number: CN115864978A
Application number: CN202111136584.1A
Authority: CN
Inventors: 付传国; 赵磊; 杨智; 许涛
Original assignee: CSI Cells Co Ltd; Canadian Solar Manufacturing Changshu Inc; Atlas Sunshine Power Group Co Ltd
Current assignee: Canadian Solar Inc; CSI Cells Co Ltd; Canadian Solar Manufacturing Changshu Inc
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2023-03-28

Abstract

The invention discloses a frame, a pressing block, a photovoltaic module, a photovoltaic power generation system and an installation method thereof, wherein the frame for the photovoltaic module comprises the following components: the frame body comprises a first mounting part, a second mounting part and a middle cavity which are connected with each other, the second mounting part and the middle cavity are positioned on the same side of the first mounting part, a first mounting groove is formed in the first mounting part, the edge of the photovoltaic body of the photovoltaic assembly is suitable for being matched in the first mounting groove, a second mounting groove is formed in the second mounting part, the opening direction of the second mounting groove is opposite to that of the first mounting groove, and the pressing block is suitable for being matched in the second mounting groove; and the limiting structure is arranged on the second installation part and is suitable for preventing the pressing block from being separated from the second installation groove. According to the frame for the photovoltaic module, the assembly mode of the photovoltaic body, the pressing block and the frame is simplified, the operation is convenient, the labor cost of the photovoltaic power generation system during installation can be reduced, and the pressing block can be prevented from being separated from the second installation groove.

Description

Frame, pressing block, photovoltaic module, photovoltaic power generation system and mounting method of photovoltaic power generation system

Technical Field

The invention relates to the technical field of photovoltaics, in particular to a frame, a pressing block, a photovoltaic module, a photovoltaic power generation system and an installation method of the photovoltaic power generation system.

Background

In recent years, the cost of photovoltaic power generation systems has been on the decline, and due to the continuous, environmentally friendly, and renewable nature of photovoltaic power generation systems, more and more users are interested in installing photovoltaic power generation systems on the roofs of their own buildings. In the related art, the installation mode of the photovoltaic power generation system is complex, so that the cost and the manual installation cost of the photovoltaic power generation system are high.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, a first object of the present invention is to provide a frame for a photovoltaic module, which can reduce labor cost for installing a photovoltaic power generation system and improve assembly efficiency of the photovoltaic power generation system.

The second objective of the present invention is to provide a photovoltaic module using the above frame.

A third object of the invention is to propose a compact for photovoltaic modules.

The fourth purpose of the invention is to provide a photovoltaic power generation system adopting the pressing block and the photovoltaic module.

The fifth purpose of the invention is to provide a photovoltaic power generation system installation method.

According to the first aspect of the invention, the frame for the photovoltaic assembly comprises: the frame body comprises a first installation part, a second installation part and a hollow cavity which are connected with each other, the second installation part and the hollow cavity are positioned on the same side of the first installation part, a first installation groove is formed in the first installation part, the edge of the photovoltaic body of the photovoltaic module is suitable for being matched in the first installation groove, a second installation groove is formed in the second installation part, the cross section of the second installation groove is approximately C-shaped, the opening direction of the second installation groove is opposite to that of the first installation groove, and the pressing block is suitable for being matched in the second installation groove; and the limiting structure is arranged on the second installation part and is suitable for preventing the pressing block from being separated from the second installation groove.

According to the frame for the photovoltaic module, disclosed by the embodiment of the invention, the edge of the photovoltaic body is matched in the first mounting groove, the pressing block is matched in the second mounting groove, and the limiting structure is arranged on the second mounting part. Therefore, the assembling mode of the photovoltaic body, the pressing block and the frame is simplified, the operation is convenient, the labor cost in the installation of the photovoltaic power generation system can be reduced, the assembling efficiency of the photovoltaic power generation system is improved, the pressing block can be prevented from being separated from the second mounting groove, and the installation quality of the photovoltaic power generation system is guaranteed.

According to some embodiments of the invention, the limiting structure comprises: the first limiting bulge is arranged at the opening of the second mounting groove.

According to some embodiments of the invention, the opening of the second mounting groove includes a first sidewall and a second sidewall opposite to each other, the first sidewall is disposed adjacent to the first mounting portion, and the first stopper protrusion is disposed on the first sidewall.

According to some embodiments of the invention, the first stopper protrusion is located at a side of the first side wall adjacent to a center of the second mounting groove.

According to some embodiments of the invention, a surface of the first side wall facing the second side wall extends obliquely from outside to inside toward a center of the second mounting groove.

According to some embodiments of the invention, the thickness of the first limiting protrusion is t, and the height of the first limiting protrusion is h, wherein t and h respectively satisfy: t is less than or equal to 1mm, h is less than or equal to 1mm.

According to some embodiments of the invention, the limiting structure comprises: the second limiting bulge is arranged on the inner wall surface of the second mounting groove and extends obliquely towards the direction far away from the first mounting part.

According to some embodiments of the invention, the second stopper protrusion is located in the second mounting groove on a side away from the first mounting portion.

According to some embodiments of the present invention, the second limiting protrusion is provided in plurality, and the plurality of second limiting protrusions are provided on an inner wall surface of the second mounting groove opposite to the opening of the second mounting groove, and a limiting groove is defined between two adjacent second limiting protrusions.

According to a second aspect of the invention, a photovoltaic module comprises: a photovoltaic body; the edge frame is used for the photovoltaic assembly according to the embodiment of the first aspect of the invention, and the edge of the photovoltaic body is fitted in the first mounting groove of the edge frame.

The briquetting for the photovoltaic module according to the embodiment of the third aspect of the invention comprises: the photovoltaic module comprises a pressing block body, wherein one end of the pressing block body is provided with a pressing block installation part, the pressing block installation part is suitable for being matched in a second installation groove of a frame of the photovoltaic module, and the frame is the frame for the photovoltaic module according to the embodiment of the first aspect of the invention.

According to some embodiments of the invention, the compact mounting portion is provided with at least one mating protrusion.

According to some embodiments of the invention, the fitting projection is provided on a side surface of the compact mounting portion away from the other end of the compact body, and the fitting projection extends obliquely in a direction away from the other end of the compact body toward a direction away from the free end of the compact mounting portion.

According to some embodiments of the invention, the mating projection is located at a free end of the compact mounting portion.

According to some embodiments of the invention, the fitting projection is plural, and the plural fitting projections are arranged in order in a direction toward away from the compact body.

According to some embodiments of the invention, an end surface of the free end of the compact mounting portion has a first avoidance surface extending obliquely in a direction toward the other end of the compact body and in a direction away from the end of the compact mounting portion connected to the compact body.

According to some embodiments of the invention, an angle between the first avoidance surface and a horizontal plane is α, wherein α satisfies: alpha is less than or equal to 30 degrees.

According to some embodiments of the invention, two side surfaces of the pressing block body in the thickness direction are respectively a first surface and a second surface, the pressing block mounting portion extends from the other end of the pressing block body in the thickness direction of the pressing block body towards a direction away from the first surface, a connection part of the pressing block mounting portion and the pressing block body is provided with an avoidance notch, and the avoidance notch is located on one side of the first surface.

According to some embodiments of the invention, the avoidance notch forms a second avoidance surface at a connection of the compact mounting part and the compact body, and the second avoidance surface extends obliquely in a direction away from the other end of the compact body and in a direction toward the center of the compact mounting part.

According to some embodiments of the invention, the first surface has a groove formed thereon, the groove being disposed adjacent the relief notch.

According to some embodiments of the invention, a protrusion is arranged at a joint of the press block mounting part and the press block body, and the protrusion extends towards a direction away from the other end of the press block body.

According to some embodiments of the invention, the other end of the compact body is provided with a pressing part, and the pressing part and the compact mounting part are respectively located on both sides of the compact body in the thickness direction.

According to some embodiments of the invention, the briquette further comprises: the threaded fastener is arranged on the pressing block body; and a limiting groove for accommodating the head of the threaded fastener is formed on the pressing block body.

According to some embodiments of the invention, a buckle part is arranged on the pressing block body, a buckling part is arranged on one side surface of the pressing part facing the buckle part, and the limiting groove is defined among the buckle part, the pressing part and the buckling part.

A photovoltaic power generation system according to an embodiment of a fourth aspect of the present invention includes: a plurality of photovoltaic modules, each of said photovoltaic modules being according to an embodiment of the above second aspect of the invention; and each pressing block is a pressing block for the photovoltaic module according to the embodiment of the third aspect of the invention, and the pressing block mounting part of each pressing block is matched in the second mounting groove of the frame of the corresponding photovoltaic module.

According to the installation method of the photovoltaic power generation system of the embodiment of the fifth aspect of the invention, the photovoltaic power generation system comprises a plurality of photovoltaic modules, a plurality of pressing blocks and a plurality of clamps, wherein a frame is arranged on the outer peripheral side of each photovoltaic module, the frame comprises a first installation part, a first installation groove is formed in the first installation part, the edge of a photovoltaic body of each photovoltaic module is matched in the first installation groove, at least one part of each frame comprises a second installation part, a second installation groove is formed in the second installation part, each pressing block comprises a pressing block body and a threaded fastener, one end of the pressing block body is provided with a pressing block installation part, the pressing block installation part is matched in the second installation groove, the other end of the pressing block body is provided with a pressing part, the threaded fastener is arranged on the pressing block body and is positioned between the pressing block installation part and the pressing part, and the pressing block body is installed on the corresponding clamp through the threaded fastener;

the installation method comprises the following steps:

s1, pre-mounting the pressing block body on the corresponding clamp through the threaded fastener;

s2, the pressing block mounting part of the pressing block pre-installed with the clamp in the step S1 is matched in the second mounting groove of the frame of one of the two adjacent photovoltaic modules, and the positions of the pressing block and the clamp are adjusted along the length direction of the second mounting groove;

s3, placing the frame of the other one of the two adjacent photovoltaic modules below the pressing part of the pressing block;

s4, screwing the threaded fastener to enable the pressing portion to press the frame of the other one of the two adjacent photovoltaic assemblies.

According to some embodiments of the present invention, at least one fitting protrusion is provided on the compact mounting portion, at least one limit groove is formed on an inner wall surface of the second mounting groove, and the fitting protrusion is fitted in the limit groove;

a groove is formed in the surface of one side of the pressing block body, a first limiting bulge is arranged on the second installation part, and the first limiting bulge is matched in the groove;

the step S2 specifically includes:

s21, extending one end of the pressing block mounting part into one side of the frame of one of the two adjacent photovoltaic modules in the second mounting groove, wherein the matching protrusion of the pressing block mounting part is matched in the limiting groove of the second mounting groove;

s22, will the other end of briquetting installation department stretches into adjacent two among the photovoltaic module one of them the frame the opposite side in the second mounting groove, just the cooperation of the first spacing arch of frame is in the briquetting in the recess.

According to some embodiments of the invention, in step S3, the swing angle range of the pressing portion with respect to the front surface of the other of the two adjacent photovoltaic modules is β, where β satisfies: beta is more than or equal to minus 10 degrees and less than or equal to 10 degrees.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of the assembly of two frames, a press block, a threaded fastener and a clamp according to an embodiment of the invention;

FIG. 2 is an assembled front view of the two rims, the press block, the threaded fastener and the clamp shown in FIG. 1;

FIG. 3 is a schematic view of the assembly of two frames, a press block and a threaded fastener according to an embodiment of the invention;

FIG. 4 is an assembled front view of the two rims, press block and threaded fastener shown in FIG. 3;

FIG. 5 is a schematic view of the assembly of a frame, a press block and a threaded fastener according to an embodiment of the invention;

FIG. 6 is an assembled front view of one of the rims, compacts and threaded fasteners shown in FIG. 5;

FIG. 7 is a schematic diagram of a bezel in accordance with an embodiment of the present invention;

FIG. 8 is a front view of the bezel shown in FIG. 7;

FIG. 9 is a schematic illustration of a briquette according to an embodiment of the present invention;

FIG. 10 is a front view of the compact shown in FIG. 9;

FIG. 11 is a schematic illustration of an assembly of a compact and threaded fastener according to an embodiment of the invention;

FIG. 12 is an assembled front view of the press block and threaded fastener shown in FIG. 11.

Reference numerals:

10: a frame; 101: a first mounting portion; 1011: a first mounting groove; 102: a second mounting portion;

1021: a second mounting groove; 1022: an opening; 1023: a first side wall; 1024: a second side wall;

1025: an inner wall; 103: a hollow cavity; 104: a first limit projection; 105: a second limit bulge;

1051: a limiting groove; 20: briquetting; 201: a briquetting body; 2011: a first surface;

2012: a second surface; 2013: a groove; 202: a briquette mounting part; 2021: a mating protrusion;

2022: a first avoidance surface; 2023: a second avoidance surface; 203: a protrusion; 204: a pressing part;

2041: a first compression section; 2042: a second compression section; 2043: a buckle part; 205: a limiting groove;

206: a fastener; 207: avoiding the notch; 30: a threaded fastener; 40: and (4) clamping.

Detailed Description

A frame 10 for a photovoltaic module according to an embodiment of the first aspect of the present invention is described below with reference to fig. 1 to 12. The photovoltaic module can be applied to a photovoltaic power generation system. In the following description of the present application, the photovoltaic module is applied to a photovoltaic power generation system as an example.

As shown in fig. 1 to 8, a frame 10 for a photovoltaic module according to an embodiment of the first aspect of the present invention includes a frame body and a limiting structure.

Specifically, the frame body comprises a first installation part 101, a second installation part 102 and a middle cavity 103 which are connected with each other, the second installation part 102 and the middle cavity 103 are positioned on the same side of the first installation part 101, a first installation groove 1011 is formed on the first installation part 101, the edge of the photovoltaic body of the photovoltaic module is suitable for being matched in the first installation groove 1011, a second installation groove 1021 is formed on the second installation part 102, the cross section of the second installation groove 1021 is generally C-shaped, the opening direction of the second installation groove 1021 is opposite to the opening direction of the first installation groove 1011, and the pressing block 20 is suitable for being matched in the second installation groove 1021. The limiting structure is disposed on the second mounting portion 102, and the limiting structure is adapted to prevent the pressing block 20 from being removed from the second mounting groove 1021.

For example, in the example of fig. 1 to 8, the second mounting portion 102 and the hollow cavity 103 are connected on the same side in the thickness direction of the first mounting portion 101, and the second mounting portion 102 and the hollow cavity 103 are arranged in the width direction of the first mounting portion 101 (e.g., the left-right direction in fig. 8). The hollow cavity 103 is formed in the frame 10, so that the material consumption of the frame 10 can be reduced, and the cost of the frame 10 can be reduced. Referring to fig. 8, the opening direction of the first mounting groove 1011 can face rightward, the opening direction of the second mounting groove 1021 can face leftward, and the limiting structure is disposed in the second mounting groove 1021. During the installation, the edge of photovoltaic body can be followed in the direction from right to left stretches into first mounting groove 1011, and first installation department 101 can play the guard action to the photovoltaic body, can avoid the photovoltaic body impaired when transportation or installation, and briquetting 20 can be followed from left to right direction and stretched into in second mounting groove 1021 in order to form photovoltaic power generation system. From this, compare with traditional photovoltaic power generation system, the assembled mode of photovoltaic body, briquetting 20 and frame 10 is simple, convenient operation to cost of labor when can reducing the installation of photovoltaic power generation system, the second mounting groove 1021 and the limit structure of C shape can mutually support in order to prevent that briquetting 20 from deviating from in second mounting groove 1021, have guaranteed photovoltaic power generation system's installation quality simultaneously.

In addition, the opening direction of the second mounting groove 1021 is set to be opposite to the opening direction of the first mounting groove 1011, so that interference between the photovoltaic module and the pressing block 20 during mounting can be avoided, and the assembly efficiency of the photovoltaic power generation system can be improved.

According to the frame 10 for a photovoltaic module of the embodiment of the present invention, by fitting the edge of the photovoltaic body in the first mounting groove 1011, the pressing block 20 is fitted in the second mounting groove 1021, and the limit structure is disposed on the second mounting portion 102. Therefore, the assembling mode of the photovoltaic body, the pressing block 20 and the frame 10 is simplified, the operation is convenient, the labor cost in the installation of the photovoltaic power generation system can be reduced, the assembling efficiency of the photovoltaic power generation system is improved, the pressing block 20 can be prevented from being separated from the second installation groove 1021, and the installation quality of the photovoltaic power generation system is guaranteed.

According to some embodiments of the present invention, the spacing structure includes a first spacing protrusion 104, and the first spacing protrusion 104 is provided at an opening 1022 of the second mounting groove 1021. Referring to fig. 7 and 8, the first position-limiting protrusion 104 is provided at one end of the opening 1022 of the second mounting groove 1021, and the first position-limiting protrusion 104 extends in a direction toward the center of the second mounting groove 1021. After the pressing block 20 is mounted in place, the first stopping protrusion 104 may limit the movement of the pressing block 20 in a direction away from the opening 1022 of the second mounting groove 1021, so that the pressing block 20 may be stably fitted in the second mounting groove 1021.

Further, the opening 1022 of the second mounting groove 1021 includes a first side wall 1023 and a second side wall 1024 opposite to each other, the first side wall 1023 is disposed adjacent to the first mounting portion 101, and the first limit protrusion 104 is disposed on the first side wall 1023. As shown in fig. 7 and 8, the second mounting groove 1021 further includes an inner wall 1025, the first side wall 1023 and the second side wall 1024 are respectively connected to two ends of the inner wall 1025 in a length direction (for example, a front-back direction shown in fig. 7), and the first limiting protrusion 104 may be located at one side of the first side wall 1023 adjacent to a center of the second mounting groove 1021. Therefore, the first limiting protrusion 104 can limit the pressing block 20, so that the pressing block 20 can be stably matched in the second mounting groove 1021, and the pressing block 20 is prevented from being separated from the second mounting groove 1021.

In some alternative embodiments, the surface of the first sidewall 1023 facing the second sidewall 1024 extends obliquely from the outside to the inside toward the center of the second mounting groove 1021. So set up, when briquetting 20 installs, the surface towards second lateral wall 1024 of first lateral wall 1023 can play the guide effect to make briquetting 20 can install fast to second mounting groove 1021 in, can further improve photovoltaic power generation system's assembly efficiency.

In some alternative embodiments, as shown in fig. 8, the thickness of the first limiting protrusion 104 is t, and the height of the first limiting protrusion 104 is h, where t and h respectively satisfy: t is less than or equal to 1mm, h is less than or equal to 1mm. When t > 1mm, the thickness of the first limiting protrusion 104 is thick, so that the elasticity of the first limiting protrusion 104 can be reduced, the difficulty of installing the pressing block 20 to the second installation groove 1021 can be increased, and the assembly efficiency of the photovoltaic power generation system is affected. When h > 1mm, the height of the first position-limiting protrusion 104 is high, which reduces the distance between the first position-limiting protrusion 104 and the second sidewall 1024, thereby making it inconvenient to mount the pressing block 20 into the second mounting groove 1021. Thus, t and h satisfy: t is less than or equal to 1mm, h is less than or equal to 1mm, the thickness and the height of the first limiting bulge 104 are reasonable, and the elasticity of the first limiting bulge 104 can be ensured, so that the pressing block 20 can be quickly installed in the second installation groove 1021.

According to some embodiments of the present invention, the limiting structure includes at least one second limiting protrusion 105, the second limiting protrusion 105 is disposed on an inner wall surface of the second mounting groove 1021, and the second limiting protrusion 105 extends obliquely toward a direction away from the first mounting portion 101. Referring to fig. 7 and 8 in combination with fig. 5 and 6, the second limiting protrusion 105 is located on a side of the second mounting groove 1021, which is far away from the first mounting portion 101, the second limiting protrusion 105 is disposed on an inner wall 1025 of the second mounting groove 1021, and the second limiting protrusion 105 extends obliquely downward in a direction far away from the first mounting portion 101. With such an arrangement, the first limiting protrusion 104 and the second limiting protrusion 105 can perform a dual limiting function on the pressing block 20, so that the pressing block 20 can be stably fitted in the second mounting groove 1021.

According to some embodiments of the present invention, the second limiting protrusion 105 is provided in plurality, the plurality of second limiting protrusions 105 are provided on an inner wall surface of the second mounting groove 1021 opposite to the opening 1022 of the second mounting groove 1021, and a limiting groove 1051 is defined between two adjacent second limiting protrusions 105. In the description of the present invention, "a plurality" means two or more. For example, in the example of fig. 7 and 8, the plurality of second stopper projections 105 constitute a saw-tooth structure. The pressing block 20 may have a plurality of engaging protrusions 2021 formed thereon, and the engaging protrusions 2021 are respectively engaged in the corresponding limiting recesses 1051. Thereby, the stability of the pressing block 20 in the second mounting groove 1021 can be further ensured.

Alternatively, the second stopper protrusion 105 may be triangular in shape, and a free end of the second stopper protrusion 105 is formed with a chamfer having a radius of less than 0.3mm.

The photovoltaic module according to the embodiment of the second aspect of the present invention comprises a photovoltaic body and a frame 10, wherein the frame 10 is the frame 10 for the photovoltaic module according to the embodiment of the first aspect of the present invention, and the edge of the photovoltaic body is fitted in the first installation groove 1011 of the frame 10.

According to the photovoltaic module provided by the embodiment of the invention, the edge of the photovoltaic body is matched into the first mounting groove 1011, so that the photovoltaic body can be protected, the photovoltaic body is prevented from being damaged, meanwhile, by adopting the frame 10, the press block 20 can be quickly mounted on the frame 10, and the mounting efficiency of a photovoltaic power generation system is improved.

As shown in fig. 9 to 12, the compact 20 for a photovoltaic module according to the third aspect of the present invention includes a compact body 201, one end of the compact body 201 is provided with a compact mounting portion 202, the compact mounting portion 202 is adapted to fit in the second mounting groove 1021 of the border 10 of the photovoltaic module, and the border 10 is the border 10 for the photovoltaic module according to the first aspect of the present invention.

For example, in the example of fig. 9 to 12, the compact mounting portion 202 is provided at one end of the compact body 201 in the longitudinal direction, and the compact 20 may be mounted in the second mounting groove 1021 of the frame 10 of the photovoltaic module through the compact mounting portion 202, so that the mounting manner is simple, and the mounting efficiency of the photovoltaic power generation system may be improved.

According to the press block 20 for the photovoltaic module, the press block mounting part 202 of the press block 20 is matched in the second mounting groove 1021 of the frame 10 of the photovoltaic module, so that the mounting modes of the frame 10 and the press block 20 are simplified, the assembly efficiency of a photovoltaic power generation system can be improved, and the labor cost is reduced.

According to some embodiments of the present invention, the compact mounting portion 202 is provided with at least one mating protrusion 2021. As shown in fig. 9 to 12, an engaging protrusion 2021 is provided on a side surface of the compact mounting portion 202 away from the other end of the compact body 201, and the engaging protrusion 2021 extends obliquely in a direction away from the other end of the compact body 201 toward a direction away from the free end of the compact mounting portion 202. Wherein, the extending direction of the matching protrusion 2021 is opposite to the extending direction of the second limit protrusion 105. For example, the free end of the fitting projection 2021 may extend obliquely upward in a direction toward the compact body 201, and the free end of the second stopper projection 105 may extend obliquely downward in a direction away from the first mounting portion 101. After installation, the fitting protrusion 2021 and the second limit protrusion 105 are arranged in the height direction of the compact installation portion 202, so that movement of the compact installation portion 202 in the direction toward the first installation portion 101 can be restricted, and the position stability of the compact installation portion 202 is ensured.

In some alternative embodiments, mating protrusion 2021 is located at the free end of press mount 202. So set up, be convenient for with the spacing recess 1051 cooperation of frame 10, and conveniently cooperate the processing of protruding 2021.

According to some embodiments of the present invention, as shown in fig. 9 and 10, the fitting protrusion 2021 is plural, and the plural fitting protrusions 2021 are arranged in order in a direction away from the compact body 201. During installation, the plurality of matching protrusions 2021 may be clamped into the plurality of limiting recesses 1051 in the tooth-following direction, so that the plurality of second limiting protrusions 105 and the plurality of matching protrusions 2021 form an inverted tooth structure, which may ensure the stability of the position of the press block installation portion 202 in the second installation groove 1021.

According to some embodiments of the present invention, an end surface of the free end of the compact mounting portion 202 has a first escape surface 2022, and the first escape surface 2022 extends obliquely in a direction toward the other end of the compact body 201 toward a direction away from the end of the compact mounting portion 202 connected to the compact body 201. Referring to fig. 10, a first escape surface 2022 is formed on a side of the end surface of the free end of the compact mounting portion 202 adjacent to the compact body 201, and the first escape surface 2022 extends obliquely downward in a direction away from the compact body 201. From this, when the free end of briquetting installation department 202 stretched into second mounting groove 1021, can avoid the free end of briquetting installation department 202 to take place to interfere with second installation department 102 to make the free end of briquetting installation department 202 can stretch into second mounting groove 1021 fast in, improved photovoltaic power generation system's assembly efficiency.

In some alternative embodiments, as shown in fig. 10, an included angle between the first avoiding surface 2022 and the horizontal plane is α, where α satisfies: alpha is less than or equal to 30 degrees. When α > 30 °, an included angle between the first avoiding surface 2022 and the horizontal plane is too large, which may affect the structural strength of the compact mounting portion 202, so that the compact mounting portion 202 is easily deformed during mounting. Therefore, when the alpha satisfies alpha is less than or equal to 30 degrees, the structural strength of the press block mounting part 202 can be ensured, and the press block mounting part 202 is convenient to mount.

According to some embodiments of the present invention, as shown in fig. 9 to 12, two side surfaces in the thickness direction of the compact body 201 are a first surface 2011 and a second surface 2012, respectively, the compact mounting portion 202 extends from the other end of the compact body 201 in the thickness direction of the compact body 201 toward a direction away from the first surface 2011, a connection between the compact mounting portion 202 and the compact body 201 has an avoidance notch 207, and the avoidance notch 207 is located on a side where the first surface 2011 is located. When briquetting 20 is applied to photovoltaic power generation system, in the installation of briquetting 20, can earlier with the one end cooperation of keeping away from of briquetting installation department 202 and dodging breach 207 in the second mounting groove 1021 of photovoltaic module's frame 10, later with the one end cooperation that is equipped with of briquetting installation department 202 and dodges breach 207 in the second mounting groove 1021 of frame 10 again, dodge breach 207 and take place to interfere when can avoiding briquetting 20 and the installation of first spacing arch 104, and briquetting 20 is simple with the mounting means of frame 10, can improve photovoltaic power generation system's assembly efficiency, thereby cost of labor when can reducing the installation of photovoltaic power generation system.

Further, referring to fig. 9 and 10, the relief notch 207 forms a second relief surface 2023 at the connection between the compact mounting portion 202 and the compact main body 201, and the second relief surface 2023 extends obliquely in a direction away from the other end of the compact main body 201 and in a direction toward the center of the compact mounting portion 202. So set up, during the installation, can avoid briquetting installation department 202 and first spacing arch 104 to take place to interfere to make briquetting installation department 202 can install fast to frame 10 in the second mounting groove 1021, thereby can improve photovoltaic power generation system's assembly efficiency.

According to some embodiments of the present invention, the first surface 2011 is formed with a groove 2013, the groove 2013 being disposed adjacent to the relief notch 207. As shown in fig. 9 and 10, a groove 2013 is formed at one end of the compact body 201 adjacent to the relief notch 207. During installation, the first limiting protrusion 104 of the frame 10 can be clamped in the groove 2013, so that the pressing block 20 can be prevented from being separated from the second mounting groove 1021, the pressing block 20 cannot topple over when the pressing block 20 is preassembled in the frame 10, the pressing block 20 can be firmly fixed in the second mounting groove 1021, and the reliability of connection between the frame 10 and the pressing block 20 of the photovoltaic module is ensured.

Further, a protrusion 203 is arranged at the connection position of the press block mounting part 202 and the press block body 201, and the protrusion 203 extends towards the direction away from the other end of the press block body 201. Referring to fig. 9, projection 203 extends obliquely downward in a direction from first surface 2011 to second surface 2012 in a direction away from press block body 201, and an end of projection 203 adjacent first surface 2011 and first surface 2011 together define a groove 2013. Therefore, the pressing block 20 and the frame 10 can be clamped through interference fit by arranging the protrusion 203, so that the pressing block 20 can be firmly fixed on the frame 10 of the photovoltaic module, and the pressing block 20 and the frame 10 cannot interfere with each other before clamping.

According to some embodiments of the present invention, referring to fig. 9 and 10, the other end of the compact body 201 is provided with a pressing portion 204, and the pressing portion 204 and the compact mounting portion 202 are respectively located on both sides of the compact body 201 in the thickness direction. Specifically, the compression portion 204 includes a first compression section 2041 and a second compression section 2042, one end of the first compression section 2041 is connected to the other end of the pressure block body 201, and the first compression section 2041 is perpendicular to the pressure block body 201. One end of the second compressing section 2042 is connected to the other end of the first compressing section 2041, and the other end of the second compressing section 2042 extends toward a direction away from the mounting block. With reference to fig. 1 and fig. 2, when the press block 20 is installed, the press block 20 may be installed between two adjacent photovoltaic modules, wherein the press block installation portion 202 of the press block 20 may be fitted in the second installation groove 1021 of the frame 10 of one of the two adjacent photovoltaic modules, and the pressing portion 204 of the press block 20 may be pressed on the other frame 10 of the two adjacent photovoltaic modules. Therefore, the distance between two adjacent photovoltaic modules can be reduced, so that a photovoltaic power generation system with the same area can be provided with more photovoltaic modules, the power generation capacity of the photovoltaic power generation system in unit area is improved, the number of pressing blocks 20 in the photovoltaic power generation system can be reduced, and the cost of the photovoltaic power generation system can be reduced.

Further, as shown in fig. 11 and 12, the press block 20 further includes a threaded fastener 30, the threaded fastener 30 is provided on the press block body 201, and a limiting groove 205 for accommodating a head of the threaded fastener 30 is formed on the press block body 201. Therefore, when the photovoltaic power generation system is installed, the threaded fastener 30 can be preassembled in the limiting groove 205, then the press block installation part 202 of the press block 20 is matched in the second installation groove 1021 of the frame 10 of one of the two adjacent photovoltaic modules, the position of the press block 20 is adjusted, then the other frame 10 of the two adjacent photovoltaic modules extends into the pressing part 204 of the press block 20, and finally the threaded fastener 30 is screwed on the clamp 40 of the photovoltaic power generation system, so that the photovoltaic modules can be fixed at the position required by a user, the installation steps of the photovoltaic power generation system are simplified, the operation is convenient, and the labor cost of the photovoltaic power generation system during installation can be reduced.

Furthermore, a buckle 206 is arranged on the pressing block body 201, a buckle part 2043 is arranged on one side surface of the pressing part 204 facing the buckle 206, and a limit groove 205 is defined among the buckle 206, the pressing part 204 and the buckle part 2043. For example, in the example of FIGS. 9-12, the side of the compression portion 204 adjacent to the press block mounting portion 202 is provided with a snap 206, and the snap 206 and the snap 2043 can retain the threaded fastener 30, such as a screw, in the retaining groove 205, thereby preventing the threaded fastener 30 from being removed from the retaining groove 205 when the threaded fastener 30 is pre-assembled to the press block 20.

A photovoltaic power generation system (not shown) according to a fourth embodiment of the present invention includes a plurality of photovoltaic modules and a plurality of compacts 20, and the compact mounting portion 202 of each compact 20 is fitted in the second mounting groove 1021 of the rim 10 of the corresponding photovoltaic module. Each photovoltaic module is according to an embodiment of the above second aspect of the invention. Each compact 20 is a compact 20 for a photovoltaic module according to the above-described third aspect embodiment of the present invention.

According to the photovoltaic power generation system provided by the embodiment of the invention, by adopting the photovoltaic module and the pressing block 20, the assembly efficiency of the photovoltaic power generation system can be improved, and the labor cost for installing the photovoltaic power generation system is reduced.

According to the photovoltaic power generation system installation method of the embodiment of the fifth aspect of the invention, the photovoltaic power generation system further includes a plurality of clamps 40, at least a portion of each of the frames 10 includes the second installation portion 102, and the compact body 201 is installed on the corresponding clamp 40 by the threaded fastener 30.

The installation method comprises the following steps:

s1, the pressing block body 201 is preassembled on the corresponding clamp 40 through the threaded fastener 30.

And S2, fitting the press block mounting part 202 of the press block 20 pre-installed with the clamp 40 in the step S1 into the second mounting groove 1021 of the frame 10 of one of the two adjacent photovoltaic modules, and adjusting the positions of the press block 20 and the clamp 40 along the length direction of the second mounting groove 1021. Through the step, the press block mounting part 202 of the press block 20 can be preassembled in the frame 10 of the photovoltaic module, the press block 20 can be prevented from being toppled due to the gravity problem, and the press block 20 and the clamp 40 can integrally slide along the length direction of the second mounting groove 1021 to adjust the press block 20 and the clamp 40 to proper positions, so that the subsequent mounting step can be conveniently executed.

And S3, placing the frame 10 of the other one of the two adjacent photovoltaic modules below the pressing part 204 of the pressing block 20. By the step, two adjacent photovoltaic modules can be arranged on the same pressing block 20, the using number of the pressing blocks 20 in the photovoltaic power generation system can be reduced, and the cost of the photovoltaic power generation system is reduced.

S4, tightening the threaded fasteners 30 to enable the pressing portions 204 to press the frame 10 of the other photovoltaic module. Thereby, the pressing block 20 can be firmly fixed between the adjacent two photovoltaic modules.

According to the photovoltaic power generation system installation method provided by the embodiment of the invention, through the steps S1 to S4, the installation mode and the installation steps of the photovoltaic power generation system are simplified, the assembly efficiency of the photovoltaic power generation system can be improved, the construction period for installing the photovoltaic power generation system can be reduced, and the labor cost can be reduced.

According to some embodiments of the present invention, step S2 specifically includes:

s21, one end of the pressing block installation part 202 extends into one side of the second installation groove 1021 of the frame 10 of one of the two adjacent photovoltaic modules, and the matching protrusion 2021 of the pressing block installation part 202 is matched in the limiting groove 1051 of the second installation groove 1021.

And S22, extending the other end of the press block mounting part 202 into the other side of the second mounting groove 1021 of the frame 10 of one of the two adjacent photovoltaic modules, wherein the first limiting protrusion 104 of the frame 10 is matched in the groove 2013 of the press block 20.

Therefore, through the step S21 and the step S22, the engaging protrusion 2021 is engaged in the limiting groove 1051, the first limiting protrusion 104 is engaged in the groove 2013, and both ends of the compact mounting portion 202 can be simultaneously limited, so that the movement of the compact mounting portion 202 in the height direction (for example, the vertical direction in fig. 2) of the second mounting portion 102 can be limited, the compact mounting portion 202 can be stably pre-mounted in the second mounting groove 1021, and the stability of the compact mounting portion 202 is ensured.

According to some embodiments of the present invention, in step S3, the swing angle range of the pressing portion 204 with respect to the front surface of the other of the two adjacent photovoltaic modules is β, where β satisfies: beta is more than or equal to minus 10 degrees and less than or equal to 10 degrees. Thus, by making β satisfy: beta is more than or equal to minus 10 degrees and less than or equal to minus 10 degrees, a certain gap can be ensured between the pressing part 204 and the front surface of the other one of the two adjacent photovoltaic modules, so that the position of the pressing part 204 can be more conveniently adjusted, and the two adjacent photovoltaic modules can be stably installed on the pressing block 20.

Other configurations and operations of photovoltaic power generation systems according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A frame for a photovoltaic module, comprising:

the frame body comprises a first installation part, a second installation part and a hollow cavity which are connected with each other, the second installation part and the hollow cavity are positioned on the same side of the first installation part, a first installation groove is formed in the first installation part, the edge of the photovoltaic body of the photovoltaic module is suitable for being matched in the first installation groove, a second installation groove is formed in the second installation part, the cross section of the second installation groove is approximately C-shaped, the opening direction of the second installation groove is opposite to that of the first installation groove, and the pressing block is suitable for being matched in the second installation groove;

and the limiting structure is arranged on the second installation part and is suitable for preventing the pressing block from being separated from the second installation groove.

2. The bezel for a photovoltaic assembly of claim 1, wherein the limiting structure comprises:

the first limiting bulge is arranged at the opening of the second mounting groove.

3. The surround of claim 2, wherein the opening of the second mounting groove includes a first side wall and a second side wall opposite to each other, the first side wall being disposed adjacent to the first mounting portion, the first retaining protrusion being disposed on the first side wall.

4. The surround of claim 3, wherein the first stopper projection is located on a side of the first side wall adjacent to a center of the second mounting groove.

5. The surround of claim 3, wherein a surface of the first side wall facing the second side wall extends obliquely from outside to inside in a direction toward a center of the second mounting groove.

6. The border for a photovoltaic module as claimed in claim 2, wherein the first limiting protrusion has a thickness t and a height h, and wherein t and h respectively satisfy: t is less than or equal to 1mm, h is less than or equal to 1mm.

7. The border for a photovoltaic module of any of claims 1-6, wherein the restraining structure comprises:

the second limiting bulge is arranged on the inner wall surface of the second mounting groove and extends obliquely towards the direction far away from the first mounting part.

8. The surround of claim 7, wherein the second retaining projection is located on a side of the second mounting groove distal from the first mounting portion.

9. The border for the photovoltaic module according to claim 7, wherein the second limiting protrusions are provided in plural, the plural second limiting protrusions are provided on an inner wall surface of the second mounting groove opposite to the opening of the second mounting groove, and a limiting groove is defined between two adjacent second limiting protrusions.

10. A photovoltaic module, comprising:

a photovoltaic body;

the frame for the photovoltaic assembly according to any one of claims 1 to 9, wherein the edge of the photovoltaic body is fitted in the first mounting groove of the frame.

11. A compact for a photovoltaic module, comprising:

the photovoltaic module frame comprises a pressing block body, wherein a pressing block mounting part is arranged at one end of the pressing block body and is suitable for being matched in a second mounting groove of the photovoltaic module frame, and the photovoltaic module frame is according to any one of claims 1-9.

12. The compact for a photovoltaic module of claim 11, wherein the compact mounting portion is provided with at least one mating protrusion.

13. The compact for a photovoltaic module according to claim 12, wherein the fitting projection is provided on a side surface of the compact mounting portion that is away from the other end of the compact body, and the fitting projection extends obliquely in a direction away from the other end of the compact body toward a direction away from a free end of the compact mounting portion.

14. The compact for a photovoltaic module of claim 12, wherein the mating protrusion is located at a free end of the compact mounting portion.

15. The compact for photovoltaic modules as set forth in claim 12, wherein said engaging projections are plural in number, and said engaging projections are arranged in order in a direction away from said compact body.

16. The briquetting for photovoltaic modules according to claim 11, wherein an end face of a free end of said briquetting mounting portion has a first avoidance surface extending obliquely in a direction toward the other end of said briquetting body and in a direction away from an end of said briquetting mounting portion connected to said briquetting body.

17. The briquetting for photovoltaic modules according to claim 16, wherein an angle between said first avoiding surface and a horizontal plane is α, wherein said α satisfies: alpha is less than or equal to 30 degrees.

18. The pressing block for the photovoltaic module according to claim 11, wherein two side surfaces in a thickness direction of the pressing block body are a first surface and a second surface, respectively, the pressing block mounting portion extends from the other end of the pressing block body in the thickness direction of the pressing block body in a direction away from the first surface, an avoiding notch is formed at a connection portion of the pressing block mounting portion and the pressing block body, and the avoiding notch is located on one side where the first surface is located.

19. The briquetting for photovoltaic modules according to claim 18, wherein said escape notch forms a second escape surface at a junction of said briquetting mounting portion and said briquetting body, said second escape surface extending obliquely in a direction away from the other end of said briquetting body toward a center of said briquetting mounting portion.

20. The compact for a photovoltaic module of claim 18, wherein the first surface has a groove formed thereon, the groove being disposed adjacent the relief notch.

21. The briquetting for a photovoltaic module of claim 11, wherein a junction of the briquetting mounting portion and the briquetting body is provided with a protrusion extending in a direction away from the other end of the briquetting body.

22. The compact for a photovoltaic module according to any one of claims 11 to 21, wherein the other end of the compact body is provided with a pressing portion, and the pressing portion and the compact mounting portion are respectively located on both sides in a thickness direction of the compact body.

23. The compact for a photovoltaic module of claim 22, further comprising:

the threaded fastener is arranged on the pressing block body;

and a limiting groove for accommodating the head of the threaded fastener is formed on the pressing block body.

24. The pressing block for the photovoltaic module as claimed in claim 23, wherein a buckle is disposed on the pressing block body, a buckle portion is disposed on a surface of one side of the pressing portion facing the buckle, and the buckle, the pressing portion and the buckle portion define the limiting groove together.

25. A photovoltaic power generation system, comprising:

a plurality of photovoltaic modules, each of the photovoltaic modules being according to claim 10;

a plurality of pressing blocks, each of which is a pressing block for a photovoltaic module according to any one of claims 11 to 24, the pressing block mounting part of each of the pressing blocks being fitted in the second mounting groove of the frame of the corresponding photovoltaic module.

26. The photovoltaic power generation system installation method is characterized by comprising a plurality of photovoltaic modules, a plurality of pressing blocks and a plurality of clamps, wherein a frame is arranged on the outer peripheral side of each photovoltaic module, the frame comprises a first installation part, a first installation groove is formed in the first installation part, the edge of a photovoltaic body of each photovoltaic module is matched in the first installation groove, at least one part of each frame comprises a second installation part, a second installation groove is formed in the second installation part, each pressing block comprises a pressing block body and a threaded fastener, the pressing block installation part is arranged at one end of the pressing block body and matched in the second installation groove, a pressing part is arranged at the other end of the pressing block body, the threaded fastener penetrates through the pressing block body and is located between the pressing block installation part and the pressing part, and the pressing block body is installed on the corresponding clamp through the threaded fastener;

the installation method comprises the following steps:

27. The photovoltaic power generation system installation method according to claim 26, wherein at least one fitting protrusion is provided on the compact installation portion, at least one limiting groove is formed on an inner wall surface of the second installation groove, and the fitting protrusion is fitted in the limiting groove;

the step S2 specifically includes:

28. The photovoltaic power generation system installation method according to claim 26, wherein in step S3, the swing angle range of the pressing portion with respect to the front surface of the other of the two adjacent photovoltaic modules is β, where β satisfies: beta is more than or equal to minus 10 degrees and less than or equal to 10 degrees.