Wind-pressure-resistant and impact-resistant device for photovoltaic module

Abstract

The utility model discloses a photovoltaic module wind pressure resistant and impact resistant device, which comprises an aluminum frame, glass, a back plate and a packaging adhesive film, the packaging adhesive film is uniformly and fixedly connected with solar cells, the packaging adhesive film is in contact with clamping strips at the gaps of the solar cells, connecting strips are uniformly and fixedly connected between every two adjacent clamping strips, and the connecting strips are connected with the aluminum frame. The connecting strips are of a triangular prism structure, clamping grooves are evenly formed in the two sides, away from each other, of the aluminum frame, the clamping grooves correspond to the connecting strips, clamping blocks are rotationally connected to the upper end of the aluminum frame, gaskets are fixedly connected to the bottom ends of the two connecting strips and make contact with the packaging adhesive film, and spring telescopic rods are fixedly connected to the two connecting strips. According to the utility model, the clamping strips and the connecting strips are installed at the gaps of the solar cells, so that glass can be supported, the blocking of the solar cells is reduced, the collision stability of the glass is improved, and the conversion efficiency of the solar cells to sunlight is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic module protection technical field, concretely relates to a photovoltaic module wind pressure and impact resistance device. BACKGROUND

[0002] Photovoltaic module is also called solar cell panel, is the core part in solar photovoltaic system, is used for converting sunlight into a kind of equipment of electric energy, photovoltaic module is usually by cell piece, EVA, toughened glass, back sheet, frame, solder strip, silicone and junction box, in outdoor environment, photovoltaic module will be directly exposed to natural wind, usually to adapt to the impact of hail, snow in natural environment, will install protective layer on the surface of photovoltaic module.

[0003] According to the "photovoltaic module wind pressure and impact resistance device" of Chinese patent publication No.CN222322095U, it mainly describes that by the design of unique reinforcing structure and corrugated structure, the device can significantly improve the wind pressure and impact resistance of photovoltaic module, the honeycomb unit and hexagonal support of reinforcing structure design, and the inclined support and rubber particle filling in corrugated structure, which provides additional support and protection for photovoltaic module, so that it can remain stable when facing strong wind and impact.

[0004] By setting honeycomb unit on the surface of photovoltaic module with hexagonal support, the impact resistance of photovoltaic module can be improved, however, the design of honeycomb unit and hexagonal support on the surface of photovoltaic module will form an obstacle, resulting in the reduction of light conversion efficiency of photovoltaic module.

[0005] Therefore, a photovoltaic module wind pressure and impact resistance device is proposed to solve the problem that the honeycomb unit and hexagonal support on the surface of photovoltaic module will block the surface of photovoltaic module, affecting the power generation efficiency and service life. UTILITY MODEL CONTENTS

[0006] The utility model solves the technical problem that the honeycomb unit and hexagonal support on the surface of photovoltaic module will block the surface of photovoltaic module, affecting the power generation efficiency and service life, and therefore proposes a photovoltaic module wind pressure and impact resistance device.

[0007] The utility model discloses a technical scheme that solves technical problems is: a photovoltaic module wind pressure and impact resistance device, including aluminium frame, glass, backboard and encapsulation adhesive film, the even fixed connection of encapsulation adhesive film has solar cell piece, the gap of solar cell piece is contacted with the clamping strip of encapsulation adhesive film, even fixed connection has the link strip between two adjacent clamping strips, the link strip is triangular column structure, the two sides of aluminium frame that are away from each other even open the clamping groove, and the clamping groove corresponds with link strip, the upper end rotationally connected of aluminium frame has the clamping block, and two link strip bottom fixed connection has the gasket, and the gasket is contacted with encapsulation adhesive film.

[0008] As a preferred technical scheme of the utility model, two link strips are fixedly connected with spring telescopic rods, one side of the spring telescopic rod is fixedly connected with an extension plate, and the spring telescopic rod cooperates with the extension plate, so that the link strip and the clamping strip can be conveniently disassembled.

[0009] As a preferred technical scheme of the utility model, an adaptive groove is formed in the upper end of the link strip, and the adaptive groove corresponds with the spring telescopic rod, so that the adaptive groove can reduce the protrusion generated when the glass is connected with the aluminium frame, thereby facilitating installation.

[0010] As a preferred technical scheme of the utility model, a recess is formed in the upper end of the link strip, and a buffer strip is fixedly connected to the link strip in the recess, so that the recess and the buffer strip can provide an energy absorption effect and reduce damage to the glass caused by external impact.

[0011] As a preferred technical scheme of the utility model, a sliding ball is in contact with the link strip, and the sliding ball is rotatably embedded in the clamping groove, so that the sliding ball can improve the placement effect of the clamping strip and the link strip.

[0012] The utility model has the following advantages: the clamping strip and the link strip are installed at the gap of the solar cell piece, which can provide support for the glass, thereby reducing the blocking of the solar cell piece and improving the stability of the glass when being impacted, and thus improving the conversion efficiency of the solar cell piece for sunlight. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a three-dimensional sectional structure schematic diagram of a photovoltaic module wind pressure and impact resistance device of a preferred embodiment of the utility model;

[0014] Fig. 2 is a three-dimensional structure schematic diagram of a clamping strip of a photovoltaic module wind pressure and impact resistance device of a preferred embodiment of the utility model;

[0015] Fig. 3It is a kind of photovoltaic module wind pressure and impact resistance device's card strip place bird's-eye view structural schematic diagram of the utility model one preferred embodiment.

[0016] Mark explanation:1, aluminium frame;2, glass;3, backboard;4, encapsulation adhesive film;5, solar cell piece;6, card strip;7, link strip;8, card slot;9, spring telescopic rod;10, extension plate;11, adaptive slot;12, buffer strip;13, sliding ball;14, card block;15, gasket. Specific implementation

[0017] The utility model is further described below in connection with the drawings.

[0018] Please combine with the Figs. 1-3 As shown in the figure, a kind of photovoltaic module wind pressure and impact resistance device, including aluminium frame 1, glass 2, backboard 3 and encapsulation adhesive film 4, encapsulation adhesive film 4 is uniformly connected with solar cell piece 5, encapsulation adhesive film 4 is contacted with card strip 6 at the gap of solar cell piece 5, uniformly fixedly connected with link strip 7 between adjacent two card strips 6, link strip 7 is contacted with glass 2, by setting link strip 7 cooperation card strip 6, can correspond to the gap of solar cell piece 5, and provide support for glass 2, link strip 7 is in triangular column structure, and the card slot 8 of aluminium frame 1 is evenly provided with on mutually far away two sides, and card slot 8 corresponds with link strip 7, and the card block 14 of aluminium frame 1 upper end is rotatably connected, and the bottom end of two link strips 7 is fixedly connected with gasket 15, and gasket 15 is contacted with encapsulation adhesive film 4, by setting gasket 15, can increase the placement buffer of card strip 6.

[0019] Wherein, the spring telescopic rod 9 of two link strips 7 is fixedly connected, and the extension plate 10 of spring telescopic rod 9 one side is fixedly connected, by setting spring telescopic rod 9 cooperation extension plate 10, can be convenient for the placement of card strip 6 and link strip 7.

[0020] Wherein, the adaptive slot 11 of link strip 7 upper end is set, and adaptive slot 11 corresponds with spring telescopic rod 9, by setting adaptive slot 11, can be convenient for hiding the moving end of spring telescopic rod 9 and extension plate 10.

[0021] Wherein, the recess of link strip 7 upper end is set, and the buffer strip 12 of link strip 7 is fixedly connected in recess, by setting buffer strip 12, can provide adaptive buffer by contacting glass 2, reduce the damage of glass 2.

[0022] Wherein, link strip 7 is contacted with sliding ball 13, and sliding ball 13 is rotatably embedded in card slot 8, by setting sliding ball 13, can reduce the friction of card strip 6 into card slot 8, and provide orientation for card strip 6 into card slot 8.

[0023] Working principle: when installing solar cell panel, solar cell piece 5 is installed in aluminum frame 1 through encapsulation adhesive film 4, then card strip 6 and link strip 7 are placed in aluminum frame 1 and correspond to the gap of solar cell piece 5, then glass 2 is encapsulated by the rotating mode of card block 14, when external force collides with glass 2, it will be conducted to buffer strip 12 on card strip 6, thereby reducing damage caused by vibration, when disassembling and maintaining, glass 2 can be disassembled, and extension plate 10 is pulled, thereby making card strip 6 and link strip 7 out, then solar cell piece 5 is maintained.

[0024] The above is only the preferred embodiment of the present application, and it should be pointed out that, for those skilled in the art, without departing from the principles of the present application, some improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

[0025] Other parts not described in the present application are all prior art, so they are not described here.

[0026] Finally, it should be pointed out that: the above examples are only used to illustrate the technical solutions of the present application, and are not limited to them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A wind pressure and impact resistant device for photovoltaic modules, comprising an aluminum frame (1), glass (2), backsheet (3) and encapsulant film (4), characterized in that, The packaging adhesive film (4) is uniformly fixedly connected with solar cell pieces (5), the packaging adhesive film (4) is contacted with clamping strips (6) at the gap of solar cell pieces (5), uniformly fixedly connected with link strips (7) between two adjacent clamping strips (6), the link strip (7) is in the shape of triangular column, the clamping groove (8) is uniformly formed on the two sides of the aluminum frame (1) away from each other, and the clamping groove (8) corresponds to the link strip (7), the clamping block (14) is rotatably connected to the upper end of the aluminum frame (1), and the bottom end of two link strips (7) is fixedly connected with a gasket (15), and the gasket (15) is contacted with the packaging adhesive film (4).

2. A wind pressure and impact resistant device for photovoltaic modules as claimed in claim 1, wherein, Two link strips (7) are fixedly connected with spring telescopic rods (9), and one side of the spring telescopic rod (9) is fixedly connected with an extension plate (10).

3. A wind pressure and impact resistant device for photovoltaic modules as claimed in claim 2, wherein, The upper end of the link strip (7) is provided with an adaptive groove (11), and the adaptive groove (11) corresponds to the spring telescopic rod (9).

4. A wind pressure and impact resistant device for photovoltaic modules as claimed in claim 3, wherein, The upper end of the link strip (7) is provided with a recess, and the link strip (7) is fixedly connected with a buffer strip (12) in the recess.

5. A wind pressure and impact resistant device for photovoltaic modules as claimed in claim 4, wherein, The link strip (7) is contacted with a sliding ball (13), and the sliding ball (13) is rotatably embedded in the clamping groove (8).

Images