CN211007204U - A double-sided solar power generation sound insulation component - Google Patents

Abstract

The utility model relates to the technical field of photovoltaic buildings, in particular to a double-sided solar energy sound insulation component. The double-sided solar sound insulation assembly includes a photovoltaic cell, a spacer, and a junction box, the photovoltaic cell is a plate-like structure, and is used for generating electricity by means of solar energy; the photovoltaic cells are connected to the opposite sides of the spacer through a connecting portion, And there is a set interval between the two groups of photovoltaic cells, the two groups of photovoltaic cells and the spacer enclose a hollow sound insulation cavity; the junction box is connected to the upper side of the spacer, and the two groups of photovoltaic cells Through the connection of the junction box, a parallel or series relationship is formed. The double-sided solar power generation sound insulation component provided by the utility model has the function of sound insulation, and the photovoltaic cells on both sides thereof can generate electricity by means of sunlight.

Description

A double-sided solar power generation sound insulation component

technical field

The utility model relates to the technical field of photovoltaic buildings, in particular to a double-sided solar power generation sound insulation component.

Background technique

Sound insulation components are widely used in buildings near highways, railways, airports, and construction sites to reduce the adverse impact of noise on nearby residents. The current sound insulation components are usually brick-concrete structures or composite structures, which are bulky in structure and have a single function. In addition, with the continuous increase of modernization, the power consumption of buildings is getting higher and higher. For example, the lighting inside the building, the display on the exterior wall of the building, etc., supply power through the external power grid, and the power supply pressure is relatively high. Combining photovoltaic power generation with buildings can effectively solve the problem of building power supply. Although there are photovoltaic curtain walls that can generate electricity in the prior art, they usually only have a single function and cannot meet the various needs of users.

Utility model content

(1) The technical problem to be solved by this utility model is: This article solves the problem of single function of photovoltaic curtain wall in the prior art, and provides a building component with both sound insulation and power generation functions.

(2) Technical solutions

In order to achieve the above-mentioned technical problems, the present utility model provides a double-sided solar power generation sound insulation assembly, which comprises: a photovoltaic cell, the photovoltaic cell is a plate-like structure, and is used for generating electricity by means of solar energy;

A spacer, the photovoltaic cells are connected to the opposite sides of the spacer through the connecting parts, and there is a set interval between the two groups of the photovoltaic cells, and the two groups of the photovoltaic cells and the spacer form a hollow space soundproof cavity;

A junction box, the junction box is connected to the upper side of the partition, and the two groups of photovoltaic cells are connected through the junction box to form a parallel or series relationship.

Optionally, the photovoltaic cell includes a thin-film photovoltaic chip, an adhesive film and a front plate that are stacked in sequence, and the thin-film photovoltaic chip is disposed adjacent to the spacer;

The thin film photovoltaic chip is connected to the junction box through a bus bar, and the bus bar is fixedly connected to the thin film photovoltaic chip through a conductive fixing portion, and the adhesive film and the thin film photovoltaic chip are connected through a waterproof insulating layer .

Optionally, the front plate is at least one of ultra-white tempered glass, ultra-white hot bending glass, ultra-white float glass, ordinary float glass and acrylic plate, and the thickness of the front plate is between 3mm-6mm. between.

Optionally, the adhesive film is made of PVB material, and the thickness of the adhesive film is between 0.38mm-1.52mm.

Optionally, the waterproof insulating layer is butyl tape.

Optionally, the bus bar is made of metal copper, and the surface of the bus bar has a tin-plated layer.

Optionally, at least one group of the photovoltaic cells is formed with a light-transmitting area, and the light-transmitting area is used for allowing sunlight to pass through one of the photovoltaic cells and irradiate the other photovoltaic cell.

Optionally, the hollow soundproof cavity is filled with soundproof material.

Optionally, the spacer is made of molecular sieve material, and the spacer has a plurality of pores.

Optionally, the connecting part is a two-component structural adhesive, and the junction box and the spacing part are fixedly connected by the two-component structural adhesive.

(3) Beneficial effects

The utility model provides a double-sided solar power generation sound insulation component, wherein a hollow sound insulation cavity is arranged between the two groups of photovoltaic cells, which has the function of sound insulation and noise reduction; at the same time, the two groups of photovoltaic cells on the opposite sides of the partition can absorb sunlight by absorbing sunlight. Power generation, so that the double-sided solar power generation sound insulation module also has the function of double-sided power generation. The two groups of photovoltaic cells are connected through a junction box to form a parallel or series relationship, and the electric energy generated by the photovoltaic cells can be transmitted through the junction box. Or the junction box can be connected with electrical appliances such as street lights, and directly utilize the electricity generated by photovoltaic cells.

Description of drawings

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

1 is a partial structural schematic diagram of a double-sided solar power generation sound insulation cavity provided by an embodiment of the present invention;

2 is a schematic structural diagram of a photovoltaic cell in a double-sided solar power generation sound insulation assembly provided by an embodiment of the present invention.

reference number

1- Photovoltaic cell

11- Front plate;

12- film;

13-Waterproof insulation layer;

14 - bus bar;

15- thin film photovoltaic chip;

2 - spacer;

21-pore;

22-Hollow sound insulation cavity;

3-junction box;

4- Two-component structural adhesive;

5- Connection part.

Detailed ways

In order to be able to understand the above-mentioned objects, features and advantages of the present invention more clearly, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict.

As shown in FIG. 1 , the present invention provides a double-sided solar power generation sound insulation assembly, which includes a photovoltaic cell 1, a spacer 2 and a junction box 3, wherein the photovoltaic cell 1 is used to convert solar energy into electrical energy, which can be specifically Crystalline silicon solar power modules, amorphous silicon solar power modules and thin film solar power modules.

Opposite sides of the spacer 2 are provided with photovoltaic cells 1 , so that the double-sided solar power generation sound insulation assembly has the function of double-sided power generation. The spacer 2 is used for fixedly connecting multiple groups of photovoltaic cells 1 . Specifically, the photovoltaic cells 1 can be fixedly connected to the opposite sides of the spacer 2 by means of clip connection, plug connection, or connector connection, respectively. Preferably, the connecting part 5 can be glue or adhesive tape, so as to fix the photovoltaic cell 1 on the opposite sides of the spacer 2 by means of gluing. More specifically, the connecting part 5 can be butyl glue to ensure high connection strength and sealing strength between the photovoltaic cell 1 and the spacer 2, so as to prevent the photovoltaic cell from being damaged during the operation of the double-sided solar power generation sound insulation assembly. 1 is separated from the spacer 2 and dropped.

Specifically, the spacer 2 can be made of metal or plastic material that is not easily deformed, and its specific shape and specific size can be flexibly selected according to actual conditions. For example, it can be a one-piece rectangular enclosing frame structure, the two opposite sides of the rectangular enclosing frame of the spacer 2 are connected to the photovoltaic cells 1, and the hollow area sandwiched between the two sets of photovoltaic cells 1 is hollow. Soundproof cavity 22 . Of course, the spacer 2 can also be of other types or shapes, which will not be described here. Optionally, the spacer 2 can be made of metal aluminum. Preferably, the spacer 2 can be made of a molecular sieve material, and the spacer 2 has a plurality of pores 21, so that when the gas in the hollow sound-proof cavity 22 is subjected to sound waves during operation, it can pass through the many holes of the spacer 2. Each of the pores 21 is used for buffering, thereby further improving the sound insulation performance of the entire double-sided solar power generation sound insulation assembly. Preferably, in order to further improve the sound insulation effect of the entire double-sided solar power generation sound insulation assembly, the hollow sound insulation cavity 22 can also be filled with sound insulation materials, such as other gases such as nitrogen, or solid sound insulation materials such as sound insulation foam can also be filled.

The junction box 3 can be an integral junction box or an integrated junction box, and the connection method of the junction box 3 can be back-connected or side-connected. The photovoltaic cells 1 on opposite sides; and the two groups of photovoltaic cells 1 on both sides of the spacer 2 can be connected in parallel or in series through the junction box 3 to adapt to different working conditions. More specifically, the junction box 3 can be directly connected to electrical appliances such as street lamps through cables, so that the street lamps can be illuminated with the electric energy generated by the photovoltaic cells 1 at night; Line connection, so as to transmit the electric energy generated by the photovoltaic cell 1 to other areas for use.

Preferably, as shown in FIG. 1 , a set gap can be set between the upper edge of the spacer 2 and the upper edge of the photovoltaic cell 1 , and in the process of assembling the double-sided solar power generation sound insulation assembly, the aforementioned set gap can be set. Glue is filled in the gap to fix the junction box 3 above the photovoltaic cell 1 and the spacer 2 . Specifically, the aforementioned glue is preferably a silicone structural glue.

Considering the working environment and scene of the double-sided solar power generation sound insulation module provided in this solution, further, the photovoltaic cell 1 is preferably a thin film solar power generation module to ensure that the photovoltaic cell 1 also has better power generation performance under low light conditions . As shown in FIG. 2 , the photovoltaic cell 1 may include a thin-film photovoltaic chip 15 , an adhesive film 12 and a front plate 11 , which are stacked and arranged, and the thin-film photovoltaic chip 15 is arranged close to the spacer 2 , and the outermost side of the entire double-sided solar power generation sound insulation assembly is Both are front plates 11, and the front plates 11 can be made of at least one material selected from ultra-white tempered glass, ultra-white hot-bent glass, ultra-white float glass, ordinary float glass and acrylic plate, and the above-mentioned materials all have high The light transmittance and structural strength are relatively low, and the cost is relatively low; the thickness of the front plate 11 can be determined according to the actual needs, considering the comprehensive cost and structural strength and other aspects, preferably, the thickness of the front plate 11 can be between 3mm-6mm selected.

One side of the adhesive film 12 is connected to the front plate 11, and the other side of the adhesive film 12 can be connected to the thin-film photovoltaic chip 15 through the waterproof insulating layer 13, so as to prevent the thin-film photovoltaic chip 15 from being affected by humid air or rain outdoors, etc. malfunction or even damage. Specifically, the waterproof insulating layer 13 can be made of butyl tape, and its thickness can be determined according to practical factors such as the thickness ratio between the adhesive film 12 and the thin film photovoltaic chip 15, which is not limited here. The adhesive film 12 can be PVB (polyvinylbutyral, polyvinyl butyral), POE (Polyolefin elastomer, polyolefin elastomer), EVA (ethylene-vinyl acetate copolymer, ethylene-vinyl acetate copolymer), PMMA (polymethyl methacrylate, polyolefin elastomer) It is made of materials such as methyl methacrylate) or SGP. In the embodiment of the present invention, the adhesive film 12 is preferably made of PVB material, and in order to prevent the overall thickness of the entire double-sided solar power generation sound insulation assembly from being too large, the thickness of the adhesive film 12 can be It is selected between 0.38mm-1.52mm, and further the thickness of the adhesive film 12 can be 1.14mm.

The thin film photovoltaic chips 15 can be provided in multiple groups, and can be electrically connected to the junction box 3 through the bus bars 14. In order to reduce the loss of electrical energy during the transmission process, preferably, the bus bars 14 can be made of metal copper. , the specific dimensions such as the cross-sectional area of the bus bar 14 can be determined according to the actual power generation of the thin film photovoltaic chip 15 . Since the double-sided solar power generation sound insulation assembly provided by the present invention is usually installed outdoors, preferably, the outer surface of the bus bar 14 can be formed with a tin-plated layer, so as to prevent the bus bar 14 from rusting with the increase of working time. It is ensured that the bus bar 14 has a relatively high and stable current conducting capacity. In the process of assembling the photovoltaic cell 1, the bus bar 14 can be fixedly connected to the thin film photovoltaic chip 15 through a conductive fixing part (not shown in the figure), specifically, the conductive fixing part can be a tin-plated copper tape or a tin-plated The aluminum strip can ensure that the bus bar 14 forms a reliable fixed connection relationship with the thin film photovoltaic chip 15 and the junction box 3 by means of the conductive fixing part and by welding. Specifically, the thin film photovoltaic chip 15 may be a silicon-based thin film, an amorphous silicon thin film, CIGS (copper indium gallium selenide), GaAs (gallium arsenide), or CdTe (cadmium telluride) and other battery chips.

Under normal circumstances, the photovoltaic cells 1 basically do not have light transmittance. Considering that the two groups of photovoltaic cells 1 on both sides of the spacer 2 have different light receiving conditions under different installation orientations, in order to ensure that the two groups of photovoltaic cells 1 on both sides of the spacer 2 are different. Each group of photovoltaic cells 1 has a certain power generation performance. Preferably, a light-transmitting area can be formed on at least one group of photovoltaic cells 1, so that during the working process of the double-sided solar power generation module, no matter whether the sun or double-sided solar power generation is soundproof Regardless of the relative positional relationship between the components, it can be ensured that the photovoltaic cell 1 on the backlight side can work normally. Specifically, a light-transmitting area can be formed on the thin-film photovoltaic chip 15 by changing the thickness of the thin-film photovoltaic chip 15 or by scribing, which can make the photovoltaic cell 1 have certain light-transmitting properties; The battery 1 can be composed of a plurality of thin-film photovoltaic chips 15, and a gap of a certain size can be set between the adjacent thin-film photovoltaic chips 15, and the aforementioned gap can also be a light-transmitting area, so that the double-sided solar power generation sound insulation assembly works during the working process. Among them, the sunlight can pass through one photovoltaic cell 1 and irradiate on another photovoltaic cell 1 through the light-transmitting area, so that both sets of photovoltaic cells 1 can have certain power generation performance.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the It is described, rather than indicated or implied, that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "installation", "communication" and "connection" should be understood in a broad sense, for example, it may be a fixed connection or a Removal connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations. In addition, in the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (10)

1. A double-sided solar power generation sound insulation component, characterized in that, comprising: A photovoltaic cell, the photovoltaic cell is a layered structure for converting solar energy into electrical energy; A spacer, the two opposite sides of the spacer are connected to one of the photovoltaic cells through the connecting parts, and there is a space between the two groups of the photovoltaic cells, and the two groups of the photovoltaic cells and the spacer enclose a hollow sound insulation cavity ; A junction box, the junction box is connected to the outside of the partition, and the two groups of photovoltaic cells are connected through the junction box to form a parallel or series relationship. 2 . The double-sided solar power generation sound insulation assembly according to claim 1 , wherein the photovoltaic cell comprises a thin film photovoltaic chip, an adhesive film and a front plate which are sequentially stacked from the inside to the outside, and the thin film photovoltaic chip and the The spacers are adjacent; The thin film photovoltaic chip is connected to the junction box through a bus bar, and the bus bar is fixedly connected to the thin film photovoltaic chip through a conductive fixing portion, and the adhesive film and the thin film photovoltaic chip are connected through a waterproof insulating layer . 3. The double-sided solar power generation sound insulation assembly according to claim 2, wherein the front plate is made of ultra-white tempered glass, ultra-white hot-bent glass, ultra-white float glass, ordinary float glass and acrylic sheet At least one of the above, the thickness of the front plate is between 3mm-6mm. 4 . The double-sided solar power generation sound insulation assembly according to claim 2 , wherein the adhesive film is made of PVB material, and the thickness of the adhesive film is between 0.38mm-1.52mm. 5 . 5 . The double-sided solar power generation sound insulation assembly according to claim 2 , wherein the waterproof insulating layer is a butyl tape. 6 . 6 . The double-sided solar power generation sound insulation assembly according to claim 2 , wherein the bus bar is made of metal copper, and the surface of the bus bar has a tin-plated layer. 7 . 7 . The double-sided solar power generation sound insulation assembly according to claim 1 , wherein at least one group of the photovoltaic cells is formed with a light-transmitting area. 8 . 8 . The double-sided solar power generation sound insulation assembly according to claim 1 , wherein the hollow sound insulation cavity is filled with sound insulation material. 9 . 9 . The double-sided solar power generation sound insulation assembly according to claim 1 , wherein the spacer is made of molecular sieve material, and the spacer has a plurality of pores. 10 . 10. The double-sided solar power generation sound insulation assembly according to any one of claims 1-6, wherein the connecting portion is a two-component structural adhesive, and the junction box and the spacing portion are connected by a double-sided adhesive. Component structural adhesive fixed connection.

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