CN218514335U - Photovoltaic module's frame - Google Patents
Photovoltaic module's frame Download PDFInfo
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- CN218514335U CN218514335U CN202222880157.0U CN202222880157U CN218514335U CN 218514335 U CN218514335 U CN 218514335U CN 202222880157 U CN202222880157 U CN 202222880157U CN 218514335 U CN218514335 U CN 218514335U
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a photovoltaic module technical field. The frame comprises a frame main body surrounding the photovoltaic assembly and used for fixing the photovoltaic assembly; the photovoltaic frame comprises a frame main body and is characterized in that a cavity is arranged in the frame main body, a first side wall forming the cavity is located on one side, deviating from a photovoltaic assembly, of the cavity, a grounding hole is formed in the first side wall, an inward-turning portion bent towards the inside of the cavity is arranged on the hole wall of the grounding hole, and the grounding hole and the inward-turning portion are used for being matched with a grounding screw. Because the inward-turning part and the grounding hole can be matched with the grounding screw to stably limit the position of the grounding screw, stronger pretightening force is not needed in the installation process of the grounding screw, and the first side wall is prevented from being damaged when the grounding screw is installed on the frame main body.
Description
Technical Field
The utility model relates to a photovoltaic module technical field. In particular to a frame of a photovoltaic module.
Background
The photovoltaic power generation is a power generation mode for directly converting solar energy into electric energy, and the power generation mode utilizes renewable sunlight and does not cause environmental pollution in the power generation process, so that the photovoltaic power generation is an environment-friendly energy production mode, and the photovoltaic power generation is widely concerned by countries in the world and develops into a new industry at present.
The photovoltaic module is an elementary device for realizing stable output of electric energy in photovoltaic power generation. The photovoltaic assembly is formed by coating an aluminum alloy frame around the laminated part, and the frame is an important component of the photovoltaic assembly and is used for protecting and supporting the photovoltaic laminated part and connecting each assembly with a system bracket. The ground hole of conventional frame sets up in the bottom surface of frame, inserts the earth connection through the bolt and puncture the packing ring and switches on the connection.
However, when the piercing washer is used for grounding, the bottom surface of the frame is not provided with the screw hole, so that a pre-tightening force needs to be provided for the bolt and the piercing washer, and the bolt and the piercing washer are drilled and screwed into the bottom surface of the frame under the action of the pre-tightening force. Because the piercing gasket needs to pierce the frame ground under the action of the pre-tightening force, the frame is likely to crack during the piercing process.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, provide a photovoltaic module's frame, cooperate with ground screw through ground hole and enstrophe portion, and then avoid ground screw to damage first lateral wall when installing in the frame main part.
The frame of the photovoltaic module comprises a frame main body surrounding the photovoltaic module and used for fixing the photovoltaic module; the photovoltaic frame comprises a frame main body and is characterized in that a cavity is arranged in the frame main body, a first side wall forming the cavity is located on one side, deviating from a photovoltaic assembly, of the cavity, a grounding hole is formed in the first side wall, an inward-turning portion bent towards the inside of the cavity is arranged on the hole wall of the grounding hole, and the grounding hole and the inward-turning portion are used for being matched with a grounding screw.
Furthermore, the orthographic projection outline of the grounding hole on the plane where the first side wall is located comprises an arc section and a rectangular section; the part of the grounding hole corresponding to the arc section is a first hole part, and the first hole part is used for a grounding screw to penetrate through; the part of the grounding hole corresponding to the rectangular section is a second hole part, and the hole wall of the second hole part is provided with an inward-turning part which is used for abutting against the grounding screw when the grounding screw is arranged in the first hole part in a penetrating way.
Further, the inward turning part is a turned edge formed by punching the first side wall to form the second hole part.
Further, the arc section comprises an arc which is a minor arc or a semicircular arc; and/or the rectangular segment comprises a rectangle.
Furthermore, two corners of the rectangular section adjacent to the arc section are respectively connected with two ends of the arc section.
Further, the arc segment comprises an arc, and the arc is a major arc; and/or the rectangular section comprises a first rectangle and a second rectangle positioned between the first rectangle and the circular arc section.
Furthermore, two angles of the second rectangle adjacent to the circular arc section are respectively connected with two ends of the circular arc section.
Further, the length of a connecting line between two ends of the arc section is smaller than the side length of the first rectangle parallel to the connecting line.
Further, a second side wall forming the cavity is positioned at the opposite side of the first side wall; the surface of the second side wall opposite to the first side wall is provided with a threaded hole used for being matched with the grounding screw.
Furthermore, an installation groove is formed in the frame main body and above the cavity, so that the edge of the photovoltaic module can be inserted into the installation groove; the upper wall that constitutes the mounting groove is located the mounting groove and keeps away from the one side of die cavity, and the upper wall is adjacent to and is provided with excessive gluey groove on the surface of mounting groove.
The utility model discloses following beneficial effect has:
the utility model provides a photovoltaic module's frame is provided with the ground connection hole at the first lateral wall that constitutes the die cavity, is provided with on the pore wall in ground connection hole towards the inside enstrophe portion of buckling of die cavity, can restrict the position of ground connection screw through the cooperation between ground connection hole and enstrophe portion and the ground connection screw for ground connection screw stable installation realizes the firm connection of ground connection screw and frame main part in the ground connection hole. Because the position of the grounding screw can be stably limited by the inward-turning part and the grounding hole, stronger pretightening force is not needed in the installation process of the grounding screw, and the first side wall can be prevented from being damaged when the grounding screw is installed on the frame main body.
Other objects and features of the present invention will become apparent from a review of the specification, claims and appended figures of this application.
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 structural diagram of a frame of a photovoltaic module according to an embodiment of the present invention.
Fig. 2 is an axial view of a frame of a photovoltaic module according to an embodiment of the present invention.
Fig. 3 is a front view of a frame of a photovoltaic module according to an embodiment of the present invention.
Fig. 4 is an orthographic projection of the grounding hole on the frame of the photovoltaic module according to the first embodiment of the present invention on the plane of the first sidewall.
Fig. 5 is an orthographic projection of the grounding hole on the frame of the photovoltaic module according to the second embodiment of the present invention on the plane of the first side wall.
Fig. 6 is an orthographic projection of the grounding hole on the frame of the photovoltaic module according to the third embodiment of the present invention on the plane of the first side wall.
Fig. 7 is an orthographic projection of the grounding hole on the frame of the photovoltaic module according to the fourth embodiment of the present invention on the plane of the first side wall.
Fig. 8 is an orthographic projection of the grounding hole on the frame of the photovoltaic module according to the fifth embodiment of the present invention on the plane of the first side wall.
Fig. 9 is an orthographic projection of the grounding hole on the frame of the photovoltaic module according to the sixth embodiment of the present invention on the plane of the first sidewall.
Fig. 10 is an orthographic projection of the grounding hole on the frame of the photovoltaic module according to the seventh embodiment of the present invention on the plane of the first sidewall. And
fig. 11 is a cross-sectional view of a frame of a photovoltaic module according to an embodiment of the present invention.
Description of the main element symbols:
10. a frame;
100. a frame main body;
110. a cavity;
120. a first side wall; 121. a ground hole; 1211. a first hole portion; 1212. a second hole portion; 1221. a circular arc section; 1222. a rectangular section;
130. an inverted portion;
140. a second side wall; 141. a threaded hole;
150. mounting grooves;
160. an upper wall;
200. a ground screw; 300. and a ground line.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
Fig. 1 is a schematic structural diagram of a frame 10 of a photovoltaic module according to an embodiment of the present invention. Fig. 2 is an axial view of the frame 10 of the photovoltaic module according to the embodiment of the present invention. Referring to fig. 1 and 2, a bezel 10 of a photovoltaic module includes a bezel body 100 surrounding the photovoltaic module, and the bezel 10 is used to fix the photovoltaic module.
It should be noted that the border main body 100 of the photovoltaic module is generally annular and is used for fixing the photovoltaic module, taking the photovoltaic module as a rectangle as an example, the border main body 100 is generally a rectangular frame, and fig. 1 is a schematic cross-sectional view of the border 10 of the photovoltaic module provided in this embodiment. In some embodiments, the bezel body 100 may be made of an aluminum alloy.
Referring to fig. 1 and 2, a cavity 110 is disposed in the frame main body 100, and a first sidewall 120 forming the cavity 110 is located on a side of the cavity 110 away from the photovoltaic module, specifically, as shown in fig. 1, an orthographic projection shape of the cavity 110 on a cross section perpendicular to an extending direction of the frame main body 100 is, for example, a rectangle, the cavity 110 forming the rectangle has four sidewalls, a space on a right side of the cavity 110 is a space for placing the photovoltaic module, a sidewall on a left side of the cavity 110 is the first sidewall 120, and the first sidewall 120 is located on a side of the cavity 110 away from the photovoltaic module.
Furthermore, the first sidewall 120 is provided with a grounding hole 121, the wall of the grounding hole 121 is provided with an inverted portion 130 bent toward the inside of the cavity 110, and the grounding hole 121 and the inverted portion 130 are used for matching with the grounding screw 200.
In this embodiment, the first sidewall 120 constituting the cavity 110 is provided with a ground hole 121. On one hand, the hole wall of the grounding hole 121 is provided with the inverted portion 130 bent toward the inside of the cavity 110, and the position of the grounding screw 200 can be limited by the cooperation between the grounding hole 121, the inverted portion 130 and the grounding screw 200, so that the grounding screw 200 is stably installed in the grounding hole 121, and the grounding screw 200 is firmly connected with the bezel main body 100. Since the inverted portion 130 and the grounding hole 121 can stably limit the position of the grounding screw 200, a strong pre-tightening force is not required in the installation process of the grounding screw 200, and the first sidewall 120 can be prevented from being damaged when the grounding screw 200 is installed on the bezel main body 100.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 3 is a front view of the frame 10 of the photovoltaic module according to the embodiment of the present invention. Referring to fig. 3, an orthographic projection contour of the ground hole 121 on the plane of the first sidewall 120 includes a circular arc segment 1221 and a rectangular segment 1222. The portion of the grounding hole 121 corresponding to the arc segment 1221 is a first hole portion 1211, and the first hole portion 1211 is used for the grounding screw 200 to pass through. The portion of the grounding hole 121 corresponding to the rectangular section 1222 is a second hole portion 1212, and an inward-turned portion 130 is disposed on a hole wall of the second hole portion 1212, and is used for abutting against the grounding screw 200 when the grounding screw 200 is inserted into the first hole portion 1211.
It should be noted that the shape of the circular arc segment 1221 may be a partial circle or a partial ellipse. The rectangular segment 1222 may be partially quadrilateral in shape, or partially other polygonal in shape. The specific shapes of the circular arc segment 1221 and the rectangular segment 1222 can also be determined as the case may be.
In some embodiments, the hole wall of the first hole portion 1211 may be provided with an internal thread, so that when the grounding screw 200 enters the grounding hole 121, the external thread of the grounding screw 200 can be engaged with the hole wall of the first hole portion 1211, and the external thread is not inclined or eccentric, thereby further improving the stability of the grounding screw 200 in the grounding hole 121.
Specifically, the size of the first hole portion 1211 is smaller than the size of the screw head of the ground screw 200, and the size of the first hole portion 1211 is larger than the size of the screw rod of the ground screw 200, so that the ground hole 121 can catch the ground screw 200, thereby connecting, for example, the ground wire 300 to the bezel body 100.
Specifically, the inward folded portion 130 is a flange formed by punching the first sidewall 120 to form the second hole portion 1212.
The press is a method of forming a work of a desired shape and size by applying an external force to a plate, a strip, a pipe, a profile, or the like by a press or a die to cause plastic deformation or separation. In other words, the present embodiment may apply an external force to the first side wall 120 through a press and a die, so as to separate a portion of the first side wall 120 from the body of the first side wall 120, thereby obtaining the second hole portion 1212, and form a stamped flange (i.e., a portion separated from the body of the first side wall 120) on the hole wall of the second hole portion 1212, where the flange is the turned-in portion 130. The included angle between the inverted portion 130 and the first sidewall 120 may be changed, so as to further stably abut against the ground screw 200.
Fig. 4 is an orthographic projection of the grounding hole 121 on the frame 10 of the photovoltaic module according to the first embodiment of the present invention on the plane of the first sidewall 120. Fig. 5 is an orthographic projection of the grounding hole 121 on the frame 10 of the photovoltaic module according to the second embodiment of the present invention on the plane of the first sidewall 120. Fig. 6 is an orthographic projection of the grounding hole 121 on the frame 10 of the photovoltaic module according to the third embodiment of the present invention on the plane of the first sidewall 120. Referring to fig. 4 to 6, the arc segment 1221 includes an arc, and the arc is a minor arc or a semicircular arc; and/or the rectangular section 1222 comprises a rectangle.
In the planar pattern, a minor arc is defined as a circular arc having a central angle smaller than 180 degrees, and a minor arc is defined as a circular arc having a central angle equal to 180 degrees.
Referring to fig. 4, two corners of the rectangular section 1222 adjacent to the circular arc section 1221 are respectively connected to two ends of the circular arc section 1221.
Specifically, the length of the connection line between the two ends of the circular arc segment 1221 is equal to the side length of the rectangular segment 1222 parallel to the connection line.
In other embodiments, as shown in fig. 5, the length of the line between the two ends of the circular arc segment 1221 is less than the side length of the rectangular segment 1222 parallel to the line. In other embodiments, as shown in fig. 6, the length of the line between the two ends of the circular arc segment 1221 is greater than the side length of the rectangular segment 1222 parallel to the line.
Fig. 7 is an orthographic projection of the grounding hole 121 on the frame 10 of the photovoltaic module according to the fourth embodiment of the present invention on the plane of the first sidewall 120. Fig. 8 is an orthographic projection of the grounding hole 121 on the frame 10 of the photovoltaic module according to the fifth embodiment of the present invention on the plane of the first sidewall 120. Fig. 9 is an orthographic projection of the grounding hole 121 on the frame 10 of the photovoltaic module according to the sixth embodiment of the present invention on the plane of the first sidewall 120. Fig. 10 is an orthographic projection of the ground hole 121 on the frame 10 of the photovoltaic module according to the seventh embodiment of the present invention on the plane of the first sidewall 120. Referring to fig. 7 to 10, the arc segment 1221 includes an arc, which is a major arc; and/or the rectangular segment 1222 includes a first rectangle and a second rectangle located between the first rectangle and the circular segment 1221.
In the planar pattern, a circular arc having a central angle of more than 180 degrees is called a minor arc.
Specifically, an orthogonal projection of the second hole portion 1212 on the plane of the first sidewall 120 includes a first rectangle and a second rectangle. The first rectangle, the second rectangle and the major arc are distributed in sequence.
Referring to fig. 7 and 8, two corners of the second rectangle adjacent to the circular arc segment 1221 are connected to two ends of the circular arc segment 1221, respectively. In other words, the length of the connecting line between the two ends of the circular arc segment 1221 is equal to the side length of the second rectangle parallel to the connecting line.
Referring to fig. 7, the length of a connecting line between both ends of the circular arc segment 1221 is smaller than the side length of the first rectangle parallel to the connecting line.
It should be noted that, as shown in fig. 7, two angles of the second rectangle adjacent to the circular arc segment 1221 are respectively connected to two ends of the circular arc segment 1221, and a length of a connection line between the two ends of the circular arc segment 1221 is smaller than a side length of the first rectangle parallel to the connection line.
In some embodiments, the length of the connection line between the two ends of the circular arc segment 1221 may be smaller than the side length of the second rectangle parallel to the connection line, as illustrated in fig. 9 and 10. Alternatively, the length of the connection line between the two ends of the arc segment 1221 may also be greater than the side length of the second rectangle parallel to the connection line.
In other embodiments, as shown in fig. 8, the length of the connection line between the two ends of the circular arc segment 1221 may be greater than the side length of the first rectangle parallel to the connection line. As shown in fig. 10, the length of a connecting line between two ends of the circular arc segment 1221 may also be equal to the side length of the first rectangle parallel to the connecting line.
Fig. 11 is a sectional view of the frame 10 of the photovoltaic module according to the embodiment of the present invention. Referring to fig. 11, the second sidewall 140 constituting the cavity 110 is positioned opposite to the first sidewall 120; the surface of the second sidewall 140 opposite to the first sidewall 120 is provided with a threaded hole 141 for mating with the ground screw 200.
Specifically, the second sidewall 140 is provided with a threaded hole 141, so that the grounding screw 200 is stably mounted on the second sidewall 140 by the engagement of the external thread on the grounding screw 200 and the threaded hole 141, and the position of the grounding screw 200 in the grounding hole 121 is further limited.
Referring to fig. 1, a mounting groove 150 is further disposed on the frame body 100 above the cavity 110, so that an edge of the photovoltaic module can be inserted into the mounting groove 150. The upper wall 160 forming the mounting groove 150 is located at a side of the mounting groove 150 far away from the cavity 110, and an adhesive overflow groove is arranged on a surface of the upper wall 160 adjacent to the mounting groove 150.
When the photovoltaic module is mounted to the bezel 10, the photovoltaic module is inserted into the mounting groove 150. The mounting groove 150 may be a C-shaped groove, an opening of the mounting groove 150 faces the photovoltaic module, and the photovoltaic module is inserted into the mounting groove 150 through the opening of the mounting groove 150. When the photovoltaic module is installed, the redundant silica gel in the installation groove 150 flows into the gel overflow groove, and the smoothness of the front glass surface of the photovoltaic module is guaranteed. For the specific structure of the mounting groove 150, reference may be made to the related art, and the detailed description thereof is omitted.
Specifically, the bezel 10 further includes a ground screw 200 mounted on the bezel body 100, and a ground line 300 connected to the ground hole 121 through the ground screw 200.
In some embodiments, the grounding screw 200 may be a self-tapping screw.
In the description of the present invention, it is to be understood that the terms "length", "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not being in direct contact, but rather being in contact with each other via additional features between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. The frame of the photovoltaic module is characterized by comprising a frame main body surrounding the photovoltaic module and used for fixing the photovoltaic module;
the frame is characterized in that a cavity is arranged in the frame main body, the first side wall of the cavity is located at one side of the photovoltaic assembly, a grounding hole is formed in the first side wall, an inward-turning portion bent towards the inside of the cavity is arranged on the hole wall of the grounding hole, and the grounding hole and the inward-turning portion are used for being matched with a grounding screw.
2. The frame according to claim 1, wherein an orthographic projection contour of the ground hole on a plane of the first side wall comprises a circular arc section and a rectangular section;
the part of the grounding hole corresponding to the arc section is a first hole part, and the first hole part is used for the grounding screw to penetrate through;
the part of the grounding hole corresponding to the rectangular section is a second hole part, and the hole wall of the second hole part is provided with the inward-turning part which is used for abutting against the grounding screw when the grounding screw is arranged in the first hole part in a penetrating manner.
3. The frame of claim 2, wherein the turned-in portion is a flange formed by punching the first side wall to form the second hole portion.
4. The surround of claim 2, wherein the circular arc segment comprises a circular arc, the circular arc being a minor arc or a semicircular arc; and/or
The rectangular section comprises a rectangle.
5. The frame according to claim 4, wherein two angles of the rectangular segment adjacent to the circular arc segment are respectively connected to two ends of the circular arc segment.
6. The frame according to claim 2, wherein said circular arc segment comprises a circular arc, said circular arc being a major arc; and/or
The rectangular section comprises a first rectangle and a second rectangle positioned between the first rectangle and the circular arc section.
7. The frame according to claim 6, wherein two angles of the second rectangle adjacent to the circular arc segment are respectively connected to two ends of the circular arc segment.
8. The frame according to claim 7, wherein a length of a connecting line between two ends of the circular arc segment is smaller than a side length of the first rectangle parallel to the connecting line.
9. The frame according to claim 1, wherein a second side wall constituting said cavity is located opposite said first side wall;
and a threaded hole matched with the grounding screw is formed in the surface, opposite to the first side wall, of the second side wall.
10. The frame according to claim 9, wherein a mounting groove is further formed on the frame main body above the cavity for allowing an edge of the photovoltaic module to be inserted into the mounting groove;
the upper wall forming the mounting groove is positioned on one side of the mounting groove far away from the cavity, and the surface of the upper wall adjacent to the mounting groove is provided with a glue overflow groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202222880157.0U CN218514335U (en) | 2022-10-31 | 2022-10-31 | Photovoltaic module's frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202222880157.0U CN218514335U (en) | 2022-10-31 | 2022-10-31 | Photovoltaic module's frame |
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CN218514335U true CN218514335U (en) | 2023-02-21 |
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CN202222880157.0U Active CN218514335U (en) | 2022-10-31 | 2022-10-31 | Photovoltaic module's frame |
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2022
- 2022-10-31 CN CN202222880157.0U patent/CN218514335U/en active Active
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