Packaging frame and double-glass photovoltaic module

Abstract

The utility model belongs to the technical field of photovoltaic assembly manufacturing, and particularly relates to a packaging frame and a double-glass photovoltaic assembly, the packaging frame comprises an installation edge sealing assembly, the edge side of the installation edge sealing assembly is connected with a connection reinforcing assembly, the installation edge sealing assembly comprises a first edge sealing strip, the interior of the first edge sealing strip is connected with a second edge sealing strip in a clamping manner, and the second edge sealing strip is connected with a second edge sealing strip in a clamping manner. A clamping groove is reserved in the second edge sealing strip, and the top of the first edge sealing strip is in threaded connection with a fixing screw. Omnibearing edge sealing and impurity invasion prevention are achieved through the edge sealing strips and the internal silicon rubber sealing rubber strips, firmness and stability of the edge sealing strips are enhanced through the control rods and the connecting screw rods, meanwhile, the photovoltaic cell pieces are bonded with the upper glass plate and the lower glass plate through the EVA adhesive films, high light transmittance and strong adhesion are guaranteed, and the service life of the photovoltaic cell pieces is prolonged. And a polyurethane foam protection layer is arranged at the edge of the battery piece to buffer external force and protect the photovoltaic battery piece.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic module manufacturing technical field, concretely is a kind of encapsulation frame and double-glass photovoltaic module. BACKGROUND

[0002] Double-glass photovoltaic module is a kind of photovoltaic cell module by two pieces of glass and solar cell piece composition composite layer, and the photovoltaic cell module formed by the wire string, parallel connection of cell piece is gathered to lead wire end.

[0003] In Chinese patent CN205829552U, the utility model discloses a double-glass module frame and double-glass photovoltaic module, wherein the double-glass module frame includes corner code, long frame and short frame, one end of corner code is bolted with one end of long frame, the other end is bolted with short frame, both ends of long frame are bolted with corner code, both ends of short frame are bolted with corner code, the inner side of long frame is equipped with first through slot, for putting the long side of double-glass module main body, short frame has second through slot, for putting the short side of double-glass module main body.The double-glass module frame and double-glass photovoltaic module, by directly putting the long side and short side of double-glass module main body into long frame and short frame, due to no B face and C face structure, the cross-sectional area is reduced, the weight of double-glass module frame is greatly reduced, adjacent long frame and short frame are bolted by corner code, better protect the four corners of double-glass photovoltaic module, simple structure, safe and reliable.

[0004] The existing double-glass photovoltaic module usually adopts adhesive tape or corner guard for protection, and the adhesive tape and corner guard can only provide partial and limited buffer protection. During the carrying process, if a larger impact force or a sharp object collides, the adhesive tape cannot effectively disperse the impact force and is easily penetrated or torn, and the corner guard is also difficult to completely protect the entire edge of the module. The glass material of the double-glass module is fragile by nature, and such limited protection often poses a risk of damage to the module during collision.

[0005] Therefore, a double-glass photovoltaic module is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] To make up for the deficiencies of the prior art, the utility model solves the problem that the adhesive tape and corner guard can only provide partial and limited buffer protection. During the carrying process, if a larger impact force or a sharp object collides, the adhesive tape cannot effectively disperse the impact force and is easily penetrated or torn, and the corner guard is also difficult to completely protect the entire edge of the module. The glass material of the double-glass module is fragile by nature, and such limited protection often poses a risk of damage to the module during collision.

[0007] The utility model discloses a technical scheme that solves its technical problems is: A kind of double-glass photovoltaic module, including installation edge sealing assembly, the edge side of installation edge sealing assembly is connected with connecting reinforcement component, and installation edge sealing assembly includes first edge sealing strip, the inside of first edge sealing strip is connected with second edge sealing strip, and the inside of second edge sealing strip is reserved with clamping groove, and the top of first edge sealing strip is connected with fixed screw thread.

[0008] Preferably, the second edge sealing strip and the first edge sealing strip form a clamping structure, and the second edge sealing strip forms a thread detachable structure with the first edge sealing strip through the fixed screw, the inside of the clamping groove is provided with a sealing rubber strip, and the material of the sealing rubber strip is set as silicone rubber.

[0009] Preferably, the connecting reinforcement component includes a connecting plate, the edge side of the connecting plate is fixedly connected with a fixed seat, the other side of the fixed seat is rotatably connected with a control rod, and the inside of the control rod is threadedly connected with a connecting screw rod.

[0010] Preferably, the control rod forms a rotating structure with the connecting plate through the fixed seat, and the control rod forms a thread connection with the connecting screw rod.

[0011] A double-glass photovoltaic module includes the packaging frame of any one of the above-mentioned, a photovoltaic mounting assembly arranged in the inside of the installation edge sealing assembly, the photovoltaic mounting assembly includes a photovoltaic cell, the top of the photovoltaic cell is connected with a connecting layer, and the top of the connecting layer is provided with an upper glass plate, the bottom of the photovoltaic cell is connected with a lower glass plate, and the edge side of the photovoltaic cell is provided with a protective layer.

[0012] Preferably, the photovoltaic cell, the connecting layer, the upper glass plate and the lower glass plate form a clamping structure, and the upper glass plate and the lower glass plate form a clamping structure with the second edge sealing strip.

[0013] Preferably, the material of the connecting layer is set as EVA adhesive film, and the material of the protective layer is set as polyurethane foam.

[0014] The utility model discloses the beneficial aspect lies in:

[0015] 1. The utility model discloses a mounting edge sealing assembly and connecting reinforcement component are set up, and the first edge sealing strip and the second edge sealing strip are tightly attached to the four edges of double-glass photovoltaic module, and the full range edge sealing effect is achieved, the sealing rubber strip is arranged in the first edge sealing strip and the second edge sealing strip inside clamping groove, the sealing rubber strip adopts the silicon rubber material of high temperature resistance, aging resistance, has good elasticity and sealing performance, can tightly attach glass edge, prevents moisture, dust and other impurities from entering the inside of assembly, in addition, the control rod and the connecting screw rod are set up, and the firmness and stability of the first edge sealing strip and the second edge sealing strip can be strengthened.

[0016] 2. The utility model discloses a photovoltaic mounting assembly, the photovoltaic cell and the upper glass plate, the lower glass plate are adhered through the EVA encapsulation adhesive film, and the EVA adhesive film has very strong adhesion to glass and cell piece and other materials, can firmly combine together, besides, the EVA encapsulation adhesive film has good light transmittance, can make the sunlight fully penetrate to reach cell piece, guarantees that photovoltaic assembly carries out photoelectric conversion efficiently, besides, the edge of photovoltaic cell is provided with the protective layer, and the material setting is polyurethane foam, has good buffering performance and elasticity, when the frame is impacted by external force, the buffer pad can absorb part of impact force, protects cell piece from being damaged. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description briefly introduce, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0018] Figure 1 It is the whole side view of the utility model three-dimensional structure schematic diagram;

[0019] Figure 2 It is the three-dimensional structure schematic diagram of the utility model installation edge sealing assembly;

[0020] Figure 3 It is the three-dimensional structure schematic diagram of the utility model connecting reinforcing assembly;

[0021] Figure 4 It is the three-dimensional structure schematic diagram of the utility model photovoltaic mounting assembly;

[0022] Figure 5 It is the plane structure schematic diagram of the utility model photovoltaic mounting assembly.

[0023] In the drawing: 1, installation edge sealing assembly;101, first edge sealing strip;102, second edge sealing strip;103, clamping groove;104, fixed screw;2, connecting reinforcing assembly;201, connecting plate;202, fixed seat;203, control rod;204, connecting screw;3, photovoltaic mounting assembly;301, photovoltaic cell;302, connecting layer;303, upper glass plate;304, lower glass plate;305, protective layer. DETAILED DESCRIPTION

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0025] Example 1

[0026] like Figures 1 to 3 As shown, a type of encapsulation frame includes an edge-sealing assembly 1, with a connecting reinforcement assembly 2 connected to the side of the edge-sealing assembly 1. The edge-sealing assembly 1 includes a first edge-sealing strip 101, a second edge-sealing strip 102, a slot 103, and a fixing screw 104. The connecting reinforcement assembly 2 includes a connecting plate 201, a fixing base 202, a control rod 203, and a connecting screw 204. The edge-sealing assembly 1 and the connecting reinforcement assembly 2 achieve all-around edge sealing to prevent impurities from entering by utilizing the edge-sealing strips and internal silicone rubber sealing strips. The control rod 203 and the connecting screw 204 enhance the firmness and stability of the edge banding strip. The second edge banding strip 102 and the first edge banding strip 101 form a snap-fit ​​structure, and the second edge banding strip 102 and the first edge banding strip 101 form a threaded detachable structure through the fixing screw 104. The slot 103 is provided with a sealing strip, and the material of the sealing strip is silicone rubber. The control rod 203 forms a rotating structure with the connecting plate 201 through the fixing seat 202, and the control rod 203 and the connecting screw 204 form a threaded connection.

[0027] like Figure 1 , Figure 4 and Figure 5 As shown, a photovoltaic mounting component 3 is installed inside the mounting edge sealing component 1. The photovoltaic mounting component 3 includes a photovoltaic cell 301, a connecting layer 302, an upper glass plate 303, a lower glass plate 304, and a protective layer 305. The photovoltaic mounting component 3 uses EVA film to bond the photovoltaic cell 301 to the upper glass plate 303 and the lower glass plate 304, ensuring high light transmittance and strong adhesion. A polyurethane foam protective layer 305 is provided at the edge of the cell to buffer external forces and protect the photovoltaic cell 301. The photovoltaic cell 301, the connecting layer 302, the upper glass plate 303, and the lower glass plate 304 form an interlocking structure. The upper glass plate 303, the lower glass plate 304, and the second edge sealing strip 102 also form an interlocking structure. The connecting layer 302 is made of EVA film, and the protective layer 305 is made of polyurethane foam.

[0028] Working principle: firstly, photovoltaic cell piece 301 and upper glass plate 303, lower glass plate 304 are connected with connecting layer 302, the material of connecting layer 302 is set to EVA adhesive film, EVA adhesive film has very strong adhesion to glass and cell piece and other materials, can firmly combine them together, in addition, EVA encapsulation adhesive film has good light transmittance, can let sunlight fully penetrate to the cell piece, ensure that photovoltaic module efficiently carries out photoelectric conversion, and EVA adhesive film can be evenly distributed and bonded on the surface of glass and cell piece, avoid the problems such as local poor bonding or bubble, and a protective layer 305 is arranged at the edge of photovoltaic cell piece 301, which is made of polyurethane foam, which has good elasticity and compressibility, can deform rapidly when subjected to external impact, absorb a large amount of energy, thereby effectively reducing the impact force on the double-glass photovoltaic module, and its elastic recovery performance is good, and it can quickly recover to its original state after the impact force disappears, providing continuous protection for the module;

[0029] Then, the double-glass photovoltaic module is fixed between the clamping grooves 103 of the two second edge sealing strips 102, and then the two first edge sealing strips 101 are used to fix the other two edges of the double-glass photovoltaic module, and then the four corners of the first edge sealing strip 101 and the second edge sealing strip 102 are fixed by the fixing screws 104. The clamping grooves 103 in the first edge sealing strip 101 and the second edge sealing strip 102 are provided with sealing rubber strips. The silicone rubber sealing strip can maintain stable performance in high temperature environment and will not soften, deform or lose sealing performance. The sealing rubber strip is made of high-temperature-resistant and aging-resistant silicone rubber material, has good elasticity and sealing performance, can tightly fit the edge of the glass, prevents water vapor, dust and other impurities from entering the inside of the module. Finally, in order to strengthen the firmness, the control rod 203 can be rotated at this time, the control rod 203 is rotated through the fixing seat 202, so that the connecting screw rod 204 is rotated into the control rod 203, so that the first edge sealing strip 101 can be more firm, and the firmness and stability of the first edge sealing strip 101 and the second edge sealing strip 102 can be strengthened.

[0030] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A packaging frame, characterized in that: The device includes an edge sealing assembly (1), which is connected to a connecting reinforcement assembly (2) on its side. The edge sealing assembly (1) includes a first edge sealing strip (101), which is internally engaged with a second edge sealing strip (102). The second edge sealing strip (102) has a pre-reserved slot (103) inside, and the top of the first edge sealing strip (101) is threaded with a fixing screw (104).

2. The encapsulation frame according to claim 1, characterized in that: The second edge sealing strip (102) and the first edge sealing strip (101) form an interlocking structure, and the second edge sealing strip (102) and the first edge sealing strip (101) form a threaded detachable structure by means of fixing screws (104). The slot (103) is provided with a sealing strip inside, and the material of the sealing strip is silicone rubber.

3. The encapsulation frame according to claim 1, characterized in that: The connection reinforcement component (2) includes a connecting plate (201), a fixing seat (202) is fixedly connected to one side of the connecting plate (201), and a control rod (203) is rotatably connected to the other side of the fixing seat (202), and a connecting screw (204) is threaded into the control rod (203).

4. The encapsulation frame according to claim 3, characterized in that: The control rod (203) forms a rotating structure with the connecting plate (201) via the fixed base (202), and the control rod (203) is threadedly connected with the connecting screw (204).

5. A double-glass photovoltaic module, comprising an encapsulation frame according to any one of claims 1-4, characterized in that: The photovoltaic mounting assembly (3) is located inside the mounting edge sealing assembly (1). The photovoltaic mounting assembly (3) includes a photovoltaic cell (301), and a connecting layer (302) is connected to the top of the photovoltaic cell (301). An upper glass plate (303) is provided on the top of the connecting layer (302), a lower glass plate (304) is connected to the bottom of the photovoltaic cell (301), and a protective layer (305) is provided on the side of the photovoltaic cell (301).

6. A double-glass photovoltaic module according to claim 5, characterized in that: The photovoltaic cell (301), the connecting layer (302), the upper glass plate (303), and the lower glass plate (304) form an interlocking structure, and the upper glass plate (303), the lower glass plate (304), and the second sealing strip (102) form an interlocking structure.

7. A double-glass photovoltaic module according to claim 5, characterized in that: The connecting layer (302) is made of EVA film, and the protective layer (305) is made of polyurethane foam.

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