阅读说明：本技术 一种柔性太阳能光伏板 (Flexible solar photovoltaic panel ) 是由 吴继锋 王永根 郭梁 楼枫 谢国栋 谢晓璐 陆雨洁 杨青 周海明 于 2021-06-08 设计创作，主要内容包括：本发明提出一种柔性太阳能光伏板,包括依次层压固定的透明聚碳酸酯半硬软片、光热吸收柔性极板、第一UPVC层、隔热层和第二UPVC层,所述光热吸收柔性极板为铜铟镓硒薄膜。本发明以透明聚碳酸酯半硬软片作为面板,铜铟镓硒薄膜组作为光热吸收柔性极板,具备一定柔性,延展性强,能够弯曲设置,能够设置在曲面或者平面上,局限性低,安装成本低。(The invention provides a flexible solar photovoltaic panel which comprises a transparent polycarbonate semi-hard flexible sheet, a photo-thermal absorption flexible polar plate, a first UPVC layer, a heat insulation layer and a second UPVC layer, wherein the transparent polycarbonate semi-hard flexible sheet, the photo-thermal absorption flexible polar plate, the first UPVC layer, the heat insulation layer and the second UPVC layer are sequentially laminated and fixed, and the photo-thermal absorption flexible polar plate is a copper indium gallium selenide film. The transparent polycarbonate semi-hard film is used as the panel, the copper indium gallium selenide thin film group is used as the photo-thermal absorption flexible polar plate, the flexible polar plate has certain flexibility and strong ductility, can be arranged in a bending mode and can be arranged on a curved surface or a plane, the limitation is low, and the installation cost is low.)

1. The utility model provides a flexible solar photovoltaic board, characterized by, including fixed transparent polycarbonate semihard film (1), light and heat absorption flexible polar plate (2), first UPVC layer (3), insulating layer (4) and second UPVC layer (5) of laminating in proper order, light and heat absorption flexible polar plate (2) are copper indium gallium selenide film.

2. The flexible solar photovoltaic panel according to claim 1, wherein the thickness of the transparent polycarbonate semi-rigid flexible sheet (1) is 0.5-2mm, and the two sides of the transparent polycarbonate semi-rigid flexible sheet (1) are corona treated.

3. The flexible solar photovoltaic panel is characterized by comprising a lamp body, wherein the lamp body is provided with an aluminum hexagonal reflector shade (6), the aluminum hexagonal reflector shade (6) is formed by splicing 6 bent aluminum plates, the flexible solar photovoltaic panel is laid on the curved surface of each aluminum plate, the flexible solar photovoltaic panel is connected with a storage battery, and the storage battery supplies power to the lamp body.

4. The street lamp with the flexible solar photovoltaic panel as claimed in claim 3, wherein the lamp body comprises a light source reflector (7), an illumination light source (8) and a lamp post (9), the bottom of the light source reflector (7) is fixed on the top end of the lamp post (9), the inner wall of the light source reflector (7) is provided with a reflecting surface, the illumination light source (8) is arranged in a cavity surrounded by the light source reflector (7), the aluminum hexagonal reflector (6) is fixedly arranged above the light source reflector (7), and the illumination light source (8) is electrically connected with a storage battery.

5. The street lamp with the flexible solar photovoltaic panel as claimed in claim 4, wherein a photosensitive switch is connected in series between the illumination light source (8) and the storage battery.

6. The street lamp with the flexible solar photovoltaic panel as claimed in claim 3, wherein the top of the aluminum hexagonal reflector shade (6) is provided with an infrared camera (10), and the storage battery supplies power to the infrared camera (10).

7. The street lamp with the flexible solar photovoltaic panel as claimed in claim 3, wherein 1 circle of high voltage mosquito and fly killing net (11) is arranged between the aluminum hexagonal reflector (6) and the light source reflector (7), and the storage battery supplies power to the high voltage mosquito and fly killing net (11).

Technical Field

The invention relates to the technical field of photovoltaic panels, in particular to a flexible solar photovoltaic panel.

Background

Most of the silicon material photovoltaic panels on the market today are single-sided light-receiving and power-generating rigid photovoltaic panels with a tempered glass material as a panel, a TFT material as a back panel and EVA as an adhesive material. Referring to a photovoltaic panel assembly with the Chinese patent publication No. CN210985988U, the photovoltaic panel assembly comprises a toughened glass shell, a solar panel is obliquely arranged in the toughened glass shell, a frame body matched with the outer side face of the toughened glass shell is sleeved on the outer side of the toughened glass shell, and a toughened glass cover is arranged on the top face of the toughened glass shell; a storage battery is arranged on the bottom surface of the toughened glass shell below the solar cell panel; the bottom of the toughened glass shell is provided with a threading hole, and the toughened glass shell has the defects that the plate cannot be bent, and is heavy, high in installation cost, strong in limitation and poor in safety.

Disclosure of Invention

The invention solves the problems that the existing photovoltaic panel cannot be bent, has strong limitation and high installation cost, and provides a flexible solar photovoltaic panel which takes a transparent polycarbonate semi-rigid film as a panel and a copper indium gallium selenide thin film group as a photo-thermal absorption flexible polar plate, has certain flexibility and strong ductility, can be bent and arranged on a curved surface or a plane, and has low limitation and installation cost.

In order to realize the purpose, the following technical scheme is provided:

the flexible solar photovoltaic panel comprises a transparent polycarbonate semi-hard film, a photo-thermal absorption flexible polar plate, a first UPVC layer, a thermal insulation layer and a second UPVC layer which are laminated and fixed in sequence, wherein the photo-thermal absorption flexible polar plate is a copper indium gallium selenide film.

The copper indium gallium selenide thin film is a direct band gap compound semiconductor material consisting of metal elements such as copper, indium, gallium, selenium and the like, has high absorption coefficient to visible light, has far lower consumption of raw materials than that of the traditional crystalline silicon solar cell, and has multiple advantages of high efficiency, low cost and long service life. The transparent polycarbonate semi-hard film has tensile property which is not possessed by a traditional crystalline silicon solar cell glass layer, and meanwhile, the copper indium gallium selenide film has high ductility relative to crystalline silicon, so that the transparent polycarbonate semi-hard film has certain flexible deformation capability, can be attached to the surface of a curved surface, increases the actual light receiving area under the same illumination area, and improves the power generation efficiency.

Preferably, the thickness of the transparent polycarbonate semi-hard soft sheet is 0.5-2mm, and the double sides of the transparent polycarbonate semi-hard soft sheet are subjected to corona treatment.

The transparent polycarbonate semi-rigid film with the thickness of 0.5-2mm is arranged to protect a photo-thermal absorption flexible polar plate, and the transparent polycarbonate semi-rigid film with the two sides subjected to corona treatment has the light transmittance higher than 80%, and has good light transmittance, sealing property, flexibility, electrical property, mechanical property and ageing resistance.

The utility model provides a street lamp with flexible solar photovoltaic board adopts foretell flexible solar photovoltaic board, includes the lamp body, the lamp body is equipped with aluminium system hexagon reflector lamp shade, aluminium system hexagon reflector lamp shade is formed by the aluminum plate amalgamation of 6 bending, flexible solar photovoltaic board has been laid to aluminum plate's curved surface, flexible solar photovoltaic board is connected with the battery, the battery is the lamp body power supply.

The flexible solar photovoltaic panel generates electricity under the condition of illumination, electric energy is stored in the storage battery, the storage battery discharges electricity to the lamp body at night, the lamp body emits light, the flexible solar photovoltaic panel is arranged on the curved surface of the aluminum hexagonal reflecting lampshade of the lamp body, the flexible solar photovoltaic panel is bent, attached and laid on the curved surface of the aluminum hexagonal reflecting lampshade, the actual light receiving area under the same illumination area is increased, the electricity generating efficiency is improved, and the electricity generating time of the storage battery is prolonged.

Preferably, the lamp body comprises a light source reflecting cover, an illuminating light source and a lamp post, the bottom of the light source reflecting cover is fixed to the top end of the lamp post, a reflecting surface is arranged on the inner wall of the light source reflecting cover, the illuminating light source is arranged in a cavity defined by the light source reflecting cover, the aluminum hexagonal reflecting lamp cover is fixedly arranged above the light source reflecting cover, and the illuminating light source is in power supply connection with the storage battery.

The inner wall of the aluminum hexagonal reflecting lampshade is provided with the reflecting surface, and the inner wall of the light source reflecting lampshade is provided with the reflecting surface, so that the light emitted by the lighting source is fully reflected and uniformly emitted from the space between the light source reflecting lampshade and the aluminum hexagonal reflecting lampshade. The light source reflector is an aluminum hexagonal light source reflector which is arranged corresponding to the aluminum hexagonal reflector shade, so that the light source reflector is attractive and has design feeling.

Preferably, a photosensitive switch is connected in series between the illumination light source and the storage battery. The photosensitive switch is arranged to control the on-off of the lighting source, the photosensitive switch is provided with a certain illumination intensity threshold value, when the illumination intensity is lower than the threshold value, the photosensitive switch is conducted, the storage battery is electrified with the lighting source, and the lighting source is lightened.

Preferably, the top of the aluminum hexagonal reflection lampshade is provided with an infrared camera, and the storage battery supplies power for the infrared camera. The infrared camera is connected with a storage module, and the storage module automatically stores videos shot by the infrared camera within the last 30 days. The infrared camera is arranged at the top of the aluminum hexagonal reflecting lampshade, so that monitoring blind areas are reduced, the occurrence of illegal behaviors is deterred, and people and objects are searched.

Preferably, 1 circle of high-voltage mosquito and fly killing net is arranged between the aluminum hexagonal reflecting lampshade and the light source reflecting lampshade, and the storage battery supplies power for the high-voltage mosquito and fly killing net. The high-voltage mosquito and fly killing net is arranged in the street lamp, and has the function of utilizing solar energy to generate electricity to kill mosquitoes and flies, so that mosquitoes and flies in the area where the street lamp is located are reduced.

The invention has the beneficial effects that: the flexible solar photovoltaic panel has certain flexibility and good tensile property, can be bent, and the compression-resistant body is laid on the curved surface, so that the actual light receiving area under the same illumination area is increased, the power generation efficiency is improved, and the power generation time of the storage battery is prolonged.

Drawings

Fig. 1 is a cross-sectional view of a flexible solar photovoltaic panel of example 1;

FIG. 2 is a schematic structural view of a street lamp according to embodiment 1;

FIG. 3 is a top view of the aluminum hexagonal reflector housing of example 1;

FIG. 4 is a schematic structural view of a street lamp according to embodiment 3;

wherein: 1. transparent polycarbonate semi-hard soft sheet 2, light and heat absorption flexible polar plate 3, first UPVC layer 4, insulating layer 5, second UPVC layer 6, aluminium system hexagon reflector lamp shade 7, light source reflector 8, illumination light source 9, lamp pole 10, infrared camera 11, high-pressure mosquito and fly eradication net.

Detailed Description

Example 1:

the embodiment provides a flexible solar photovoltaic panel, and with reference to fig. 1, the flexible solar photovoltaic panel includes a transparent polycarbonate semi-rigid film 1, a photo-thermal absorption flexible polar plate 2, a first UPVC layer 3, a thermal insulation layer 4, and a second UPVC layer 5, which are laminated and fixed in sequence, and the photo-thermal absorption flexible polar plate 2 is a copper indium gallium selenide film.

The thickness of the transparent polycarbonate semi-rigid film 1 was 1.5mm, and both sides of the transparent polycarbonate semi-rigid film 1 were subjected to corona treatment.

The copper indium gallium selenide thin film is a direct band gap compound semiconductor material consisting of metal elements such as copper, indium, gallium, selenium and the like, has high absorption coefficient to visible light, has far lower consumption of raw materials than that of the traditional crystalline silicon solar cell, and has multiple advantages of high efficiency, low cost and long service life. The transparent polycarbonate semi-hard soft sheet 1 has tensile resistance which is not possessed by a traditional crystalline silicon solar cell glass layer, and meanwhile, the copper indium gallium selenide film has high ductility relative to crystalline silicon, so that the solar cell has certain flexible deformation capacity, can be attached to and arranged on a curved surface, increases the actual light receiving area under the same illumination area, and improves the power generation efficiency.

The transparent polycarbonate semi-rigid soft sheet 1 with the thickness of 0.5-2mm is arranged to protect a photo-thermal absorption flexible polar plate 2, and the transparent polycarbonate semi-rigid soft sheet 1 with the two sides subjected to corona treatment has the light transmittance higher than 80%, and has good light transmittance, sealing property, flexibility, electrical property, mechanical property and ageing resistance.

In order to improve the surface abrasion resistance, the transparent polycarbonate semi-hard sheet 1 of the present example contains a plastic abrasion resistant additive in an amount of 0.015 to 0.05% based on the total composition, and the plastic abrasion resistant additive includes a single additive or a mixture of additives to improve the abrasion resistance of the material. The processing method refers to the abrasion-resistant composite plastic, and various abrasion-resistant additives such as graphene, molybdenum disulfide and various fibers are added into the thermoplastic plastic for composite modification, so that the abrasion-resistant characteristic of the thermoplastic plastic is improved. The abrasion-resistant composite plastic has the advantages of improved abrasion resistance, acid and alkali resistance and the like, and can be processed by common injection molding or extrusion molding materials.

The plastic wear-resistant additive of the embodiment selects one or a mixture of glass fiber, graphene and molybdenum disulfide, and the glass fiber can provide a firm mechanical bonding function among macromolecules, so that the structural integrity of the thermoplastic plastic can be improved, and the wear resistance can be improved. The reinforcement of the glass fiber can increase the latent heat conductivity and the heat deformation resistance of the plastic, so that the load resistance and the friction resistance of the plastic can be obviously improved. The chemical structure of the graphene is a unique lattice-shaped structure, graphite molecules can easily slide mutually under small friction force, and the wear-resisting property is particularly important in the water environment and can improve the heat-conducting property. Molybdenum disulfide (Moly); molybdenum disulfide is an abrasion resistance additive used primarily in polycarbonate plastics and acts as a crystallizing agent to increase the crystallinity of the PC, resulting in a polycarbonate PC material with a harder and more abrasion resistant surface.

This embodiment still provides a street lamp with flexible solar photovoltaic board, refers to fig. 2 and fig. 3, adopts foretell flexible solar photovoltaic board, including the lamp body, the lamp body is equipped with aluminium system hexagon reflector lamp shade 6, and aluminium system hexagon reflector lamp shade 6 is formed by the aluminum plate amalgamation of 6 slices of bending, and flexible solar photovoltaic board has been laid to aluminum plate's curved surface, and flexible solar photovoltaic board is connected with the battery, and the battery supplies power for the lamp body. The lamp body includes light source bowl 7, illumination source 8, lamp pole 9, and light source bowl 7 bottom is fixed on lamp pole 9 top, and the inner wall of light source bowl 7 is equipped with the plane of reflection, and illumination source 8 sets up in the cavity that light source bowl 7 encloses, and aluminium system hexagon reflector lamp shade 6 is fixed to be set up in light source bowl 7 top, and illumination source 8 is connected with the battery power supply. A photosensitive switch is connected in series between the illumination light source 8 and the storage battery.

The flexible solar photovoltaic panel generates electricity under the condition of illumination, electric energy is stored in the storage battery, the storage battery discharges electricity to the lamp body at night, the lamp body emits light, the flexible solar photovoltaic panel is arranged on the curved surface of the aluminum hexagonal reflecting lampshade 6 of the lamp body, the flexible solar photovoltaic panel is bent, attached and laid on the curved surface of the aluminum hexagonal reflecting lampshade 6, the actual light receiving area under the same illumination area is increased, the electricity generating efficiency is improved, and the electricity generating time of the storage battery is prolonged.

The inner wall of the aluminum hexagonal reflector lamp shade 6 of the invention is provided with the reflecting surface and the inner wall of the light source reflector lamp shade 7 is provided with the reflecting surface, which has the function of fully reflecting the light emitted by the illumination light source 8 and leading the light to be evenly emitted from the space between the light source reflector lamp shade 7 and the aluminum hexagonal reflector lamp shade 6. The light source reflector 7 is an aluminum hexagonal light source reflector, is arranged corresponding to the aluminum hexagonal reflector shade 6, and is attractive and has design feeling.

The photosensitive switch is arranged to control the on-off of the illumination light source 8, the photosensitive switch is provided with a certain illumination intensity threshold value, when the illumination intensity is lower than the threshold value, the photosensitive switch is conducted, the storage battery is electrified with the illumination light source 8, and the illumination light source 8 is lightened.

Example 2:

referring to fig. 2, in this embodiment, an infrared camera 10 is added to the street lamp in embodiment 1, the infrared camera 10 is disposed at the top of the aluminum hexagonal reflective lampshade 6, and the storage battery supplies power to the infrared camera 10. The infrared camera 10 is connected with a storage module, and the storage module automatically stores the video shot by the infrared camera 10 in the last 30 days. Compared with the embodiment 1, the infrared camera 10 is arranged at the top of the aluminum hexagonal reflection lampshade 6 in the embodiment, so that the monitoring blind area is reduced, the occurrence of illegal behaviors is deterred, and people and objects are searched.

Example 3:

referring to fig. 4, in this embodiment, a high-voltage mosquito and fly killing net 11 is added on the basis of the street lamp of embodiment 1, 1 circle of high-voltage mosquito and fly killing net 11 is arranged between the aluminum hexagonal reflector 6 and the light source reflector 7, and the storage battery supplies power to the high-voltage mosquito and fly killing net 11. The high-voltage mosquito and fly killing net 11 is arranged in the street lamp, and has the function of killing mosquitoes and flies by utilizing solar power generation and reducing the mosquitoes and flies in the street lamp area.

Example 4:

on the basis of the street lamp of embodiment 1 or embodiment 2 or embodiment 3, a flexible solar photovoltaic panel is laid at the center of the inner wall of the aluminum hexagonal reflection lampshade 6, the flexible solar photovoltaic panel is connected with a second storage battery, a commercial power wire is further arranged in the cavity inside the street lamp post, the commercial power wire is connected with the lighting source 8 through a commercial power switch in a power supply mode, the storage battery and the second storage battery are electrically connected with a control module, the control module is electrically connected with the photosensitive switch and the commercial power switch, the control module monitors the electric quantity of the storage battery and the second storage battery in real time, and the working process of the embodiment is as follows:

s1, when the lighting light source 8 is lighted, judging whether the electric quantity of the storage battery is smaller than or equal to a first threshold Q1 in real time, if not, keeping the storage battery to supply power for the lighting light source 8, if so, closing a mains supply switch by a control module, supplying power to the lighting light source 8 by mains supply access, and simultaneously disconnecting the storage battery from the lighting light source 8;

at the moment, the flexible solar photovoltaic panel laid in the center of the inner wall of the aluminum hexagonal reflecting lampshade 6 receives light and generates electricity, and the electricity is stored in the second storage battery;

s2, judging whether the electric quantity of the second storage battery is larger than or equal to a second threshold Q2 in real time, if so, controlling the second storage battery to discharge and charge the storage battery by the control module, and if not, carrying out S3;

and S3, judging whether the electric quantity of the second storage battery is less than or equal to a third threshold Q3, if so, controlling the second storage battery to stop charging by the control module, returning to S2, and if not, keeping the second storage battery to charge the storage battery.

Wherein the first threshold Q1 is 10% of the total capacity of the battery, the second threshold Q2 is 80% of the total capacity of the second battery, and the third threshold Q3 is 10% of the total capacity of the third battery.

Through the setting of this embodiment for even under continuous overcast and rainy weather, the street lamp also can realize normal function, also can utilize the light that commercial power electricity generation sent when the commercial power inserts the electricity generation in addition, reduces the power consumption.