Photovoltaic module corner protector and photovoltaic module

Abstract

The utility model provides a photovoltaic assembly corner protector and a photovoltaic assembly, and relates to the technical field of photovoltaic assemblies, the photovoltaic assembly corner protector is configured to be arranged at the joint of adjacent frames of the photovoltaic assembly, the photovoltaic assembly corner protector comprises a first corner protector and a second corner protector, the first corner protector and the second corner protector are detachably connected, and the first corner protector and the second corner protector are detachably connected. One of the first angle bead and the second angle bead is provided with an inserting buckle, and the other one of the first angle bead and the second angle bead is provided with an inserting groove. The first angle bead and the second angle bead which are detachably connected through the inserting buckle and the inserting groove are arranged on the two sides of the frame respectively, so that the clamping groove structure is formed between the first angle bead and the second angle bead, the corner portion of the frame is embedded into the clamping groove structure, and the two sides of the corner portion of the frame are pressed by the first angle bead and the second angle bead respectively. Therefore, the frame at the corner part can tightly press the corner part of the photovoltaic module laminated piece, so that the structure at the corner part of the laminated piece is more stable, and the phenomenon of stress release at the corner part of the laminated piece is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic module technical field, specifically, relate to a photovoltaic module corner protector and photovoltaic module. BACKGROUND

[0002] At present, photovoltaic module is the core part in solar power generation system, and its main function is to convert solar energy into electric energy. Photovoltaic module is usually assembled by a plurality of photovoltaic cells through laminating process. In the related photovoltaic module manufacturing technology, in order to improve the mechanical strength and durability of the module, a frame is usually arranged at the edge of the laminated part to enhance the overall structural strength of the module, reduce deformation and damage caused by external factors, and sealant is used at the edge of the laminated part to improve the sealing performance of the module, prevent the intrusion of moisture and gas, thereby prolonging the service life of the module. However, the inventor realizes that, in actual use, due to the uneven thickness of the photovoltaic module laminated part, especially the thickness at the corner part is less than the thickness at the middle, stress release phenomenon exists at the corner part. This stress release will cause delamination or air bubbles in the actual power generation process, affecting the normal work and service life of the module. Secondly, with the acceleration of cost reduction, the frame wall thickness and the amount of sealant are reduced, which further aggravates the delamination phenomenon at the corner part. SUMMARY

[0003] One or more embodiments of the utility model provide a photovoltaic module corner protector to solve or at least partially alleviate the stress release phenomenon at the corner part of the photovoltaic module in the related art.

[0004] In a first aspect, the utility model provides a photovoltaic module corner protector, which adopts the following technical scheme:

[0005] A photovoltaic module corner protector is configured to be arranged at the connection of adjacent frames of a photovoltaic module. The photovoltaic module corner protector includes a first corner protector and a second corner protector. The first corner protector and the second corner protector are detachably connected to form a clamping groove structure for embedding the frame. One of the first corner protector and the second corner protector is provided with a plug-in buckle, and the other is provided with a plug-in slot. The plug-in buckle and the plug-in slot are matched in shape and size.

[0006] By adopting the technical scheme, the first corner guard and the second corner guard are arranged on both sides of the corner portion of the frame of the photovoltaic module, the corner portion of the frame is the connection portion of the adjacent two side surfaces of the frame, the first corner guard and the second corner guard are detachably connected together, one of the insertion buckle and the insertion slot is arranged on the first corner guard and the second corner guard respectively, the shape and the size of the insertion buckle and the insertion slot are matched with each other, so that the insertion buckle can be inserted into the insertion slot, for example, the insertion buckle is arranged on the first corner guard, and the insertion slot is arranged on the second corner guard; or the insertion slot is arranged on the first corner guard, and the insertion buckle is arranged on the second corner guard, during installation, the insertion buckle can be inserted into the insertion slot, so that the detachable connection of the first corner guard and the second corner guard is completed, the first corner guard and the second corner guard jointly enclose the clamping groove structure, the shape of the clamping groove structure is matched with the shape of the corner portion of the frame, the corner portion of the frame is embedded into the clamping groove structure, the frame at the corner portion is pressed by the first corner guard and the second corner guard, the first corner guard and the second corner guard fasten the corner portion of the frame, so that the frame at the corner portion can press the corner portion of the photovoltaic module laminate, the structure of the corner portion of the laminate is more stable, the phenomenon that the stress of the corner portion of the laminate is released is avoided, and the service life of the photovoltaic module is improved

[0007] In some embodiments, the first corner guard comprises a top plate, and the second corner guard comprises a bottom plate, the top plate is used for abutting against the upper surface of the frame, the bottom plate is used for abutting against the lower surface of the frame, and one of the insertion buckle and the insertion slot is arranged on the top plate and the bottom plate respectively.

[0008] In some embodiments, the top plate and the bottom plate are both provided with an included angle, and the top plate is located at two ends of the included angle and the bottom plate is located at two ends of the included angle, and the two ends of the top plate and the two ends of the bottom plate are both used for being attached to the two side walls of the photovoltaic module which enclose the frame.

[0009] In some embodiments, the length and the width of the bottom plate are both greater than or equal to the width of the frame.

[0010] In some embodiments, the insertion buckle and the insertion slot both extend in a horizontal plane.

[0011] In some embodiments, the width of the opening end of the insertion slot is smaller than the width of at least a part of the interior of the insertion slot.

[0012] In some embodiments, the insertion slot and the insertion buckle are both trapezoidal structures. 、 One of a triangular structure and a circular structure.

[0013] In some embodiments, the insertion buckle and the insertion slot are both provided with a plurality of insertion buckles and insertion slots, and are one-to-one corresponding.

[0014] The second aspect of the utility model provides a kind of photovoltaic module, using the following technical scheme:

[0015] A photovoltaic module includes the corner guard of any one of the above.

[0016] Compared with the prior art, the photovoltaic module has the same beneficial effects as the photovoltaic module corner, and the beneficial effects are not described here.

[0017] In some embodiments, the photovoltaic module corner is arranged at four corners of the frame. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings described below only relate to some embodiments of the present application, and are not a limitation on the present application.

[0019] Figure 1 Structure diagram of the photovoltaic module corner of the embodiment of the present application;

[0020] Figure 2 Structure diagram of the photovoltaic module corner of the embodiment of the present application;

[0021] Figure 3 Structure diagram of the photovoltaic module corner of the embodiment of the present application;

[0022] Figure 4 Structure diagram of the photovoltaic module corner of the embodiment of the present application;

[0023] Figure 5 Structure diagram of the first corner of the embodiment of the present application;

[0024] Figure 6 Structure diagram of the second corner of the embodiment of the present application;

[0025] Figure 7 Structure diagram of the photovoltaic module corner of the embodiment of the present application;

[0026] Figure 8 Structure diagram of the photovoltaic module corner of the embodiment of the present application;

[0027] Figure 9 Structure diagram of the photovoltaic module corner of the embodiment of the present application.

[0028] BRIEF DESCRIPTION OF DRAWINGS

[0029] 1 - first corner; 11 - top plate; 12 - upper vertical plate; 121 - first vertical plate; 122 - third vertical plate; 2 - second corner; 21 - bottom plate; 22 - lower vertical plate 22; 221 - second vertical plate; 222 - fourth vertical plate; 31 - slot; 32 - buckle; 4 - frame; 41 - upper surface of frame; 42 - lower surface of frame; 51 - left vertical plate; 52 - right vertical plate. DETAILED DESCRIPTION

[0030] In order to make the above objectives, characteristics and advantages of the present application more apparent, concrete embodiments of the present application will be described in detail below with reference to the drawings.

[0031] It should be noted that in the description of the present application, the directions or positional relationships indicated by "upper", "lower", "left", "right", "top", "bottom", "front", "back", "inner" and "outer" are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the devices referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application.

[0032] The terms "first", "second", etc. are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features.

[0033] Moreover, although the present application is described in the present application with reference to specific examples, it should be understood that these examples are only examples of the principles and applications of the present application. Therefore, it should be understood that many modifications can be made to the exemplary embodiments, and other arrangements can be designed, as long as they do not deviate from the spirit and scope of the present application defined in the appended claims. It should be understood that different dependent claims and features herein can be combined in ways other than those described in the original claims. It should also be understood that features described in conjunction with a single embodiment can be used in other embodiments.

[0034] Figures 1 to 9 Structure diagram of a photovoltaic module corner according to some embodiments of the present application.

[0035] One or more embodiments of the present application disclose a photovoltaic module corner, with reference to Figure 1 and Figure 2The corner protector is configured to be arranged at the joint of adjacent frames 4 of a photovoltaic module, the corner protector comprises a first corner protector 1 and a second corner protector 2, the first corner protector 1 and the second corner protector 2 are detachably connected to form a clamping groove structure for embedding the frame 4, one of the first corner protector 1 and the second corner protector 2 is provided with a plug 32, and the other is provided with a slot 31, the plug 32 and the slot 31 are matched in shape and size.

[0036] In at least one embodiment, by arranging the first corner protector 1 and the second corner protector 2 on both sides of the corner of the frame 4 of the photovoltaic module, the corner of the frame 4 is the joint of the adjacent two sides of the frame 4, the first corner protector 1 and the second corner protector 2 are detachably connected together, one of the first corner protector 1 and the second corner protector 2 is provided with a plug 32 and a slot 31, the plug 32 and the slot 31 are matched in shape and size, so that the plug 32 can be inserted into the slot 31, for example, the plug 32 is arranged on the first corner protector 1, and the slot 31 is arranged on the second corner protector 2; or the slot 31 is arranged on the first corner protector 1, and the plug 32 is arranged on the second corner protector 2, during installation, the plug 32 can be inserted into the slot 31 to complete the detachable connection of the first corner protector 1 and the second corner protector 2, so that the first corner protector 1 and the second corner protector 2 jointly form a clamping groove structure, the shape of the clamping groove structure is matched with the shape of the corner of the frame 4, the corner of the frame 4 is embedded in the clamping groove structure, the corner of the frame 4 is pressed by the first corner protector 1 and the second corner protector 2, the first corner protector 1 and the second corner protector 2 provide a fastening force to the corner of the frame 4, so that the corner of the frame 4 can press the corner of the photovoltaic module laminate, the structure of the corner of the laminate is more stable, the phenomenon of stress release at the corner of the laminate is avoided, and the service life of the photovoltaic module is improved.

[0037] In some embodiments, referring to Figure 2 , Figure 5 and Figure 6 , the first corner protector 1 comprises a top plate 11, the second corner protector 2 comprises a bottom plate 21, the top plate 11 is used to abut the upper surface of the frame 4, the bottom plate 21 is used to abut the lower surface of the frame 4, and one of the plug 32 and the slot 31 is arranged on the top plate 11 and the bottom plate 21 respectively.

[0038] In at least one embodiment, by setting the first corner protector 1 as a top plate 11, the top plate 11 is located above the frame 4 and extends in a horizontal plane, such as the plane of the X-axis and Y-axis, and is pressed against the upper surface of the corner of the frame 4, and setting the second corner protector 2 as a bottom plate 21, the bottom plate 21 is located below the frame 4 and extends in a horizontal plane, such as the plane of the X-axis and Y-axis, and is pressed against the lower surface of the corner of the frame 4, one of the insert buckles 32 and the insert slots 31 is arranged on the top plate 11 and the bottom plate 21 respectively, for example, the insert buckles 32 are arranged on the edges of the bottom plate 21 extending upward, and the insert slots 31 are arranged on the top plate 11; or, the insert slots 31 are arranged on the top plate 11, and the insert buckles 32 are arranged on the edges of the bottom plate 21 extending upward, during installation, the top plate 11 can be first pressed against the upper surface of the corner of the frame 4, the bottom plate 21 is pressed against the lower surface of the corner of the frame 4, and at the same time, the insert buckles 32 are inserted into the insert slots 31, the corner of the frame 4 is given a fastening force in the vertical direction, that is, the Z-axis direction, so that the frame 4 at the corner can press the corner of the photovoltaic module laminate, improve the stability of the connection structure of the top plate 11 and the bottom plate 21, make the structure of the corner of the laminate more stable, avoid the phenomenon of stress release at the corner of the laminate, improve the service life of the photovoltaic module, and the mortise and tenon structure is formed by the insert buckles 32 and the insert slots 31, which are fixed by embedding up and down, the structure is simple, easy to install, and can avoid loosening or falling off during use.

[0039] In at least one embodiment, the edges of the top plate 11 are further provided with upwardly extending upper vertical plates 12, the top plate 11 and the upper vertical plates 12 are perpendicular to each other and connected, the upper vertical plates 12 are located on the side of the frame 4 and extend in a vertical plane, such as the plane of the Y-axis and Z-axis, and / or the plane of the X-axis and Z-axis, and the upper vertical plates 12 abut against the side wall of the corner of the frame 4, the edges of the bottom plate 21 are further provided with downwardly extending lower vertical plates 22, the bottom plate 21 and the lower vertical plates 22 are perpendicular to each other and connected, the lower vertical plates 22 are located on the side of the frame 4 and extend in a vertical plane, such as the plane of the Y-axis and Z-axis, and / or the plane of the X-axis and Z-axis, and the lower vertical plates 22 abut against the side wall of the corner of the frame 4, the upper vertical plates 12 are located above the lower vertical plates 22, one of the insert buckles 32 and the insert slots 31 is arranged on the upper vertical plates 12 and the lower vertical plates 22 respectively, for example, the insert buckles 32 are arranged on the lower end faces of the upper vertical plates 12 extending downward, and the insert slots 31 are arranged on the upper end faces of the lower vertical plates 22; or, the insert slots 31 are arranged on the lower end faces of the upper vertical plates 12, and the insert buckles 32 are arranged on the upper end faces of the lower vertical plates 22 extending upward, during installation, the first corner protector 1 can be first pressed against the upper surface of the corner of the frame 4, and then the second corner protector 2 is installed from the side wall direction of the corner of the frame 4, so that the insert buckles 32 are inserted into the insert slots 31, improve the stability of the connection structure of the first corner protector 1 and the second corner protector 2, make the structure of the corner of the laminate more stable, avoid the phenomenon of stress release at the corner of the laminate, improve the service life of the photovoltaic module, and the mortise and tenon structure is formed by the insert buckles 32 and the insert slots 31, which are fixed by embedding up and down, the structure is simple, easy to install, and can avoid loosening or falling off during use.

[0040] In some embodiments, referring to Figure 2 , Figure 5 and Figure 6 , the top plate 11 and the bottom plate 21 are both provided with an angle, and the two ends of the top plate 11 and the two ends of the bottom plate 21 located at the angle are respectively attached to the two side walls of the photovoltaic module surrounding the frame 4.

[0041] In at least one embodiment, the top plate 11 and the bottom plate 21 are both provided with an angle, the shape of the angle corresponds to the shape of the corner of the frame 4, the top plate 11 and the bottom plate 21 are both divided into two parts by the angle, the two parts of the top plate 11 extend in the same direction as the two side walls of the frame 4, respectively extending towards the positive direction of the X-axis and the positive direction of the Y-axis, and the two parts of the bottom plate 21 also extend in the same direction as the two side walls of the frame 4, respectively extending towards the positive direction of the X-axis and the positive direction of the Y-axis. The upper and lower surfaces of the two side walls of the frame 4 facing the positive direction of the X-axis and the positive direction of the Y-axis are both pressed tightly by the top plate 11 and the bottom plate 21, so that the structure at the corner of the laminated part is more stable, avoiding the phenomenon of stress release at the corner of the laminated part, and improving the service life of the photovoltaic module.

[0042] In at least one embodiment, the upper stand plate 12 and the lower stand plate 22 are both provided with an angle, the upper stand plate 12 is divided into a first stand plate 121 and a third stand plate 122 connected to each other by the angle, the first stand plate 121 is located in the plane of the Y-axis and the Z-axis, and the third stand plate 122 is located in the plane of the X-axis and the Z-axis. The upper end of the first stand plate 121 and the upper end of the third stand plate 122 are respectively connected to the edge of the top plate 11 facing the negative direction of the X-axis and the edge facing the negative direction of the Y-axis, and the first stand plate 121 and the third stand plate 122 are respectively abutted to the side wall of the frame 4 at the corner facing the negative direction of the X-axis and the side wall facing the negative direction of the Y-axis. The top plate 11 and the first stand plate 121, the third stand plate 122 can be connected vertically two by two to surround the top corner of the frame 4 at the corner; similarly, the lower stand plate 22 is divided into a second stand plate 221 and a fourth stand plate 222 connected to each other by the angle, the second stand plate 221 is located in the plane of the Y-axis and the Z-axis, and the fourth stand plate 222 is located in the plane of the X-axis and the Z-axis. The lower end of the second stand plate 221 and the lower end of the fourth stand plate 222 are respectively connected to the edge of the bottom plate 21 facing the negative direction of the X-axis and the edge facing the negative direction of the Y-axis, and the second stand plate 221 and the fourth stand plate 222 are respectively abutted to the side wall of the frame 4 at the corner facing the negative direction of the X-axis and the side wall facing the negative direction of the Y-axis. The bottom plate 21 and the second stand plate 221, the fourth stand plate 222 can be connected vertically two by two to surround the bottom corner of the frame 4 at the corner ，The top corner and bottom corner at the corner of the frame 4, i.e. the upper end sharp corner and lower end sharp corner formed by the frame 4 at the corner; the first vertical plate 121 and the second vertical plate 221 are detachably connected during installation, and the third vertical plate 122 and the fourth vertical plate 222 are detachably connected, further enhancing the stability of the connection structure between the top plate 11 and the bottom plate 21, making the structure at the corner of the laminated piece more stable, avoiding the phenomenon of stress release at the corner of the laminated piece, improving the service life of the photovoltaic module, and it should be noted that the upper vertical plate 12 can only include one of the first vertical plate 121 and the third vertical plate 122, and correspondingly, the lower vertical plate 22 only includes one of the second vertical plate 221 and the fourth vertical plate 222.

[0043] In some embodiments, referring to Figure 2 , the length and width of the bottom plate 21 are greater than or equal to the width of the frame 4.

[0044] In at least one embodiment, since the frame 4 at the corner includes two parts extending towards the Y-axis direction and the X-axis direction, the width of the two parts of the frame 4 is the same, by setting the length and width of the bottom plate 21, i.e. the size of the bottom plate 21 in the X-axis and Y-axis directions, to be greater than the width of the frame 4, so that the bottom plate 21 can completely cover the frame 4 at the corner, improving the stability of the connection structure between the bottom plate 21 and the frame 4.

[0045] In at least one embodiment, the frame 4 of the photovoltaic module is used to wrap the edge of the laminated piece of the photovoltaic module, which includes two crimping edges corresponding to the upper and lower sides of the laminated piece of the photovoltaic module, respectively, the upper surface of the frame 4, i.e. the side surface of the upper side crimping edge away from the laminated piece, presents an arc transition from the edge of the laminated piece to the center direction, so as to gradually realize the connection with the upper surface of the laminated piece, i.e. the upper surface of the frame 4 at least partially presents an arc surface. In at least one embodiment, by setting the top plate 11 to be an arc plate with the same curvature as the curvature of the upper surface of the frame 4, the top plate 11 is conveniently buckled on the upper surface of the frame 4, improving the stability of the connection structure between the top plate 11 and the frame 4, and preventing the frame 4 from being pulled out of the top plate 11. Since the frame 4 at the corner includes two parts extending towards the Y-axis direction and the X-axis direction, the top plate 11 is also divided into two parts extending towards the Y-axis direction and the X-axis direction, i.e. the first plate and the second plate, the first plate is connected with the first vertical plate 121, and the second plate is connected with the third vertical plate 122, and the first plate and the second plate are both arc plates, which facilitates the buckling of the first plate and the second plate on the two parts of the frame 4 extending towards the Y-axis direction and the X-axis direction, respectively, improving the stability of the connection structure between the top plate 11 and the frame 4, and preventing the frame 4 from being pulled out of the top plate 11.

[0046] In some embodiments, the insertion buckle 32 and the insertion slot 31 both extend in the horizontal plane.

[0047] In at least one embodiment, referring to Figure 7, by setting the snap buckle 32 and the slot to extend in the horizontal plane, for example, setting the first corner guard 1 as the left stand plate 51 and the second corner guard 2 as the right stand plate 52, the left stand plate 51 and the right stand plate 52 abut on the adjacent two side walls of the frame 4, extend in the vertical plane, for example, the plane where the Y-axis and the Z-axis are located, and the plane where the X-axis and the Z-axis are located, and one of the snap buckle 32 and the slot 31 is arranged on the left stand plate 51 and the right stand plate 52, for example, the snap buckle 32 is arranged on the right edge of the left stand plate 51 and extends in the plane where the X-axis and the Y-axis are located, towards the X-axis, and the slot 31 is arranged on the left edge of the right stand plate 52 and extends in the plane where the X-axis and the Y-axis are located, towards the X-axis; or, the slot 31 is arranged on the right edge of the left stand plate 51 and extends in the plane where the X-axis and the Y-axis are located, towards the Y-axis, and the snap buckle 32 is arranged on the left edge of the right stand plate 52 and extends in the plane where the X-axis and the Y-axis are located, towards the Y-axis, the snap buckle 32 is perpendicular to the left stand plate 51 or the right stand plate 52, during installation, the left stand plate 51 and the right stand plate 52 can be pressed on the adjacent two side walls of the corner of the frame 4, and at the same time, the snap buckle 32 is inserted into the slot 31, which improves the connection stability of the left stand plate 51 and the right stand plate 52, makes the structure of the corner of the laminated component more stable, avoids the stress release phenomenon at the corner of the laminated component, improves the service life of the photovoltaic module, and the snap buckle 32 and the slot 31 form a mortise and tenon structure, which is fixed by embedding up and down, has a simple structure, is convenient to install, and can avoid loosening or falling off during use.

[0048] In at least one embodiment, the top plate 11 is arranged above the left stand plate 51 and the right stand plate 52 and extends in the horizontal plane, for example, the plane where the X-axis and the Y-axis are located, the top plate 11 is used to abut on the upper surface 41 of the frame, the bottom plate 21 is arranged below the left stand plate 51 and the right stand plate 52 and extends in the horizontal plane, for example, the plane where the X-axis and the Y-axis are located, the bottom plate 21 is used to abut on the lower surface 42 of the frame, when the left stand plate 51 and the right stand plate 52 are connected together, the top plate 11 and the bottom plate 21 on the left stand plate 51 and the right stand plate 52 abut on the upper and lower surfaces of the corner of the frame 4, which gives the frame 4 corner a fastening force in the vertical direction, i.e., the Z-axis direction, so that the corner of the frame 4 can press the corner of the laminated component of the photovoltaic module, makes the structure of the corner of the laminated component more stable, avoids the stress release phenomenon at the corner of the laminated component, and improves the service life of the photovoltaic module.

[0049] In some embodiments, referring to Figures 5 to 9 , the width of the opening end of the slot 31 is smaller than the width of at least part of the inside of the slot 31.

[0050] In at least one embodiment, by setting the width of the opening of the slot 31, i.e. the slot width of the slot 31, to be smaller than the width of at least part of the middle part of the slot 31, for example, the slot width of the slot 31 is smaller than the width at the center of the slot 31 when the slot 31 is a circular slot, so that the slot wall of the slot 31 can limit the movement of the plug 32 in the extension plane of the slot 31, improve the stability of the connection structure of the first corner guard 1 and the second corner guard 2, make the structure at the corner of the laminated piece more stable, avoid the phenomenon of stress release at the corner of the laminated piece, improve the service life of the photovoltaic module, and form a mortise and tenon structure by the plug 32 and the slot 31, which are fixed by embedding up and down, the structure is simple, easy to install, and can avoid loosening or falling off during use.

[0051] In some embodiments, referring to Figure 5 , Figure 6 , Figure 8 and Figure 9 , the slot 31 and the plug 32 are both in one of a trapezoidal structure 、 a triangular structure and a circular structure.

[0052] In at least one embodiment, by setting the slot 31 and the plug 32 to be trapezoidal, the opening end of the slot 31 is the short side of the trapezoid, and the side of the plug 32 connected to the first vertical plate 121 or the second vertical plate 221 is also the short side of the trapezoid. The slot 31 and the plug 32 can also be set to a circular structure, the slot 31 is a circular slot, the plug 32 is a circular plate, the slot 31 and the plug 32 can also be set to a triangular structure, the slot 31 is a triangular slot, the opening end of the slot 31 is a corner of the triangle, the bottom of the slot 31 is a side of the triangle, and the plug 32 is a triangular plate. In this way, when the plug 32 is inserted into the slot 31, the first vertical plate 121 and the second vertical plate 221 can be limited in the vertical direction, improving the stability of the connection structure of the first corner guard 1 and the second corner guard 2, making the structure at the corner of the laminated piece more stable, avoiding the phenomenon of stress release at the corner of the laminated piece, and improving the service life of the photovoltaic module.

[0053] In some embodiments, referring to Figure 7 , the plug 32 and the slot 31 are both provided with a plurality of one-to-one corresponding arrangements.

[0054] In at least one embodiment, the number of plugs 32 and slots 31 on the first corner guard 1 and the second corner guard 2 is at least one pair, and the number and position of the plugs 32 and the slots 31 are one-to-one corresponding when splicing. The first corner guard 1 and the second corner guard 2 are connected together by a plurality of groups of plugs 32 and slots 31, and the connection structure is more stable.

[0055] In at least one embodiment, the first corner protector 1 and the second corner protector 2 are made of aluminum alloy, titanium alloy or other rigid materials, so that the first corner protector 1 and the second corner protector 2 have high mechanical strength and good durability, and the service life of the first corner protector 1 and the second corner protector 2 is improved.

[0056] The utility model one or plural embodiments further disclose a photovoltaic module, which comprises the photovoltaic module corner protector.

[0057] Compared with the prior art, the photovoltaic module has the same beneficial effects as the photovoltaic module corner protector, and details are not repeated here.

[0058] In some embodiments, the photovoltaic module corner protector is arranged at each of the four corners of the frame 4.

[0059] In at least one embodiment, the photovoltaic module corner protector is arranged at each of the four corners of the frame 4, so that the four corners of the photovoltaic module are subjected to the fastening force of the photovoltaic module corner protector, the structure of the photovoltaic module corner is more stable, the phenomenon of stress release at the corner of the laminated part is avoided, and the service life of the photovoltaic module is improved.

[0060] The above describes the basic principles, main features and advantages of the utility model. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic module corner protector, configured to be disposed at the connection point of adjacent frames of a photovoltaic module, characterized in that, The photovoltaic module corner protector comprises a first corner protector and a second corner protector, the first corner protector and the second corner protector are detachably connected to form a clamping groove structure for embedding the frame, one of the first corner protector and the second corner protector is provided with a plug-in buckle, and the other is provided with a plug-in slot, the plug-in buckle and the plug-in slot are matched in shape and size.

2. The photovoltaic module corner according to claim 1, wherein, The first corner protector comprises a top plate, and the second corner protector comprises a bottom plate, the top plate is used for abutting against the upper surface of the frame, the bottom plate is used for abutting against the lower surface of the frame, and one of the plug-in buckle and the plug-in slot is arranged on the top plate and the bottom plate respectively.

3. The photovoltaic assembly corner piece of claim 2, wherein, The top plate and the bottom plate are both provided with a corner, and the top plate is located at two ends of the corner and the bottom plate is located at two ends of the corner, and the two ends of the top plate and the two ends of the bottom plate are used for being attached to two side walls of the photovoltaic module which enclose the frame respectively.

4. The photovoltaic assembly corner guard of claim 2, wherein, The length and the width of the bottom plate are both greater than or equal to the width of the frame.

5. The photovoltaic module corner key of claim 1, wherein, The plug-in buckle and the plug-in slot both extend in a horizontal plane.

6. The photovoltaic module corner key of claim 1, wherein, The width of the opening end of the plug-in slot is less than the width of at least part of the inside of the plug-in slot.

7. The photovoltaic module corner key of claim 1, wherein, The slot and the buckle are both trapezoidal structures 、 one of a triangular structure and a circular structure.

8. The photovoltaic module corner key of claim 1, wherein, The plug-in buckle and the plug-in slot are both provided with a plurality of plug-in buckles and plug-in slots which are arranged one by one and correspondingly.

9. A photovoltaic module, characterized by, The photovoltaic module corner protector comprises a first corner protector and a second corner protector, the first corner protector and the second corner protector are detachably connected to form a clamping groove structure for embedding the frame, one of the first corner protector and the second corner protector is provided with a plug-in buckle, and the other is provided with a plug-in slot, the plug-in buckle and the plug-in slot are matched in shape and size.

10. The photovoltaic module of claim 9, wherein, The four corner portions of the frame are all provided with the photovoltaic module corner protector.

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