CN109962676A - High power generation double glass module system - Google Patents

Abstract

The present invention provides a high-power generation double-glass module system, which comprises at least one row of photovoltaic supports with a light guide plate and double-glass modules at the top, wherein: the light-guide plate and the double-glass modules face along the top of the photovoltaic support The light guide plate faces the back surface of the double-glass assembly, and includes a first area that can absorb light and a second area that can lead out light, and the first area protrudes out of the double-glass assembly. Coverage, the second area is within the coverage of the double-glass component. The high-power generation double-glass module system can guide the sunlight to the back surface of the double-glass module without affecting the absorption of sunlight on the front surface of the double-glass module, so that both sides of the double-glass module can obtain sunlight. The power generation potential of double-glass modules has greatly increased the power generation of double-glass modules.

Description

High power generation double glass module system

technical field

The invention relates to the technical field of photovoltaic tracking, in particular to a high power generation double-glass component system.

Background technique

Double glass module refers to a photovoltaic cell module composed of two pieces of glass and solar cells to form a composite layer, and the cells are connected in series and parallel to the lead terminals. Since the back of the double-glass module can also absorb light and generate electricity, it has higher power generation efficiency than traditional photovoltaic modules, so it has been widely used in recent years.

However, at present, the power generation potential of the backside of the double-glass module has not been fully developed. In the prior art, the improvement of the backside power generation efficiency of the double-glass module is mainly realized by arranging a reflective device on the back surface of the double-glass module. Blocking, the light obtained is relatively limited, which limits the power generation efficiency of the double-glass module.

SUMMARY OF THE INVENTION

The present invention provides a high power generation double-glass component system, which is used to improve the utilization rate of solar radiation by the double-glass components, thereby improving the power generation efficiency, including at least one row of photovoltaic supports with a light guide plate and a double-glass component at the top, wherein:

The light guide plate and the double-glass assembly are arranged at intervals along the top of the photovoltaic support;

The light guide plate faces the back surface of the double-glass component, and includes a first area that can absorb light and a second area that can lead out light. The first area protrudes out of the coverage of the double-glass component, and the first area The second area is within the coverage of the double-glass component.

In a specific implementation, the high power generation double-glass module system includes multiple rows of the photovoltaic supports arranged along the light incident direction, and the distance between the double-glass modules on the top of each two adjacent rows of the photovoltaic supports is greater than or equal to one year The length of the shadow of the double-glass module in the front row when the middle-day shadow is the longest.

In a specific implementation, the second area is located on the bottom side of the light guide plate, and the distance between the light guide plates in each row and the double glass modules in the front row is greater than or equal to the distance between the double glass modules in the front row when the sun shadow is the shortest in the year. The length of the shadow of the glass component.

In a specific implementation, the light guide plate has an optical fiber inside, the light incident end of the optical fiber is arranged in the first area, and the light outgoing end is arranged in the second area.

In a specific implementation, both the light incident end and the light outgoing end of the optical fiber are perpendicular to the front surface of the light guide plate.

In a specific implementation, the top of each row of the photovoltaic supports has a plurality of the light guide plates and a plurality of the double glass components, and the widths of the light guide plates and the double glass components corresponding to the bottom are equal.

In a specific implementation, the photovoltaic support clamps the light guide plate and the double-glass assembly through a double-layer fixing fixture.

In a specific implementation, the clamping surface of the light guide plate of the double-layer fixing fixture has a rubber pad, and the surface of the rubber pad is wavy.

In a specific implementation, the double-layer fixing fixture includes a side fixture and a middle fixture. The side fixture has a single-side clamping portion, and the light guide plates on both sides and the double-glass components on both sides are arranged in a row. The outer end of the intermediate clamp has a double-sided clamping portion, which is arranged between two adjacent light guide plates and two adjacent double glass assemblies in a row.

In a specific implementation, each row of the photovoltaic supports includes a plurality of groups of uprights arranged perpendicular to the light incident direction, each group includes two of the uprights arranged along the light incident direction, and each of the uprights has a height adjustment mechanism.

In a specific implementation, the photovoltaic support further has a diagonal strut, and two ends of the diagonal strut are respectively hinged to the main beam and the upright column.

The high power generation double-glass module system provided by the present invention includes at least one row of light guide plates and double-glass modules arranged at intervals, the light-guide plate faces the back surface of the double-glass module, and the first area that can absorb light protrudes out of the coverage of the double-glass module, The second area is within the coverage of the double-glass components, and both the light guide plate and the double-glass components are arranged on the top of the photovoltaic support. The high power generation double-glass module system can guide the sunlight to the back surface of the double-glass module without affecting the absorption of sunlight on the front surface of the double-glass module, so that both sides of the double-glass module can obtain sunlight. The power generation potential of double-glass modules has greatly increased the power generation of double-glass modules.

Description of drawings

In order to illustrate the specific embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the specific embodiments or the prior art. Obviously, the accompanying drawings in the following description The drawings are only some specific embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative efforts. In the attached image:

FIG. 1 is a side view of a high power generation double glass module system according to an embodiment of the present invention;

2 is a side view of a double glass assembly and a light guide plate according to an embodiment of the present invention;

3 is a schematic diagram of the working principle of a light guide plate according to an embodiment of the present invention;

4 is a schematic diagram of a high-power-generating double-glass module system with multiple rows of photovoltaic supports according to an embodiment of the present invention;

5 is a schematic diagram of the arrangement of a plurality of photovoltaic modules and light guide plates arranged on the top of a photovoltaic support according to a specific embodiment of the present invention;

6 is a schematic structural diagram of an optical fiber according to a specific embodiment of the present invention;

7 is a schematic structural diagram of a double-layer fixing fixture according to an embodiment of the present invention

8A is a schematic structural diagram of a side clamp according to a specific embodiment of the present invention;

8B is an exploded schematic view of a side clamp according to an embodiment of the present invention;

9A is a schematic structural diagram of an intermediate clamp according to a specific embodiment of the present invention;

FIG. 9B is an exploded schematic view of an intermediate clamp according to an embodiment of the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the specific embodiments of the present invention more clearly understood, the specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. Here, the exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but are not intended to limit the present invention.

As shown in FIG. 1 , FIG. 2 and FIG. 3 , the present invention provides a high-power generation double-glass module 100 system to improve the utilization rate of solar radiation by the double-glass module 100 , thereby improving the power generation efficiency, including at least one row of tops The photovoltaic support 300 with the light guide plate 200 and the double glass assembly 100, wherein:

The light guide plate 200 and the double-glass module 100 are arranged at intervals along the top of the photovoltaic support 300;

The light guide plate 200 faces the back surface of the double glass assembly 100 and includes a first area 210 that can absorb light and a second area 220 that can lead out light. The first area 210 protrudes out of the double glass assembly 100 . Coverage, the second region 220 is within the coverage of the double-glass module 100 .

In the specific implementation, the arrangement of the number of rows of the double-glass modules 100 and the light guide plates 200 in the high-power-generation double-glass module 100 system may have various implementations. For example, as shown in FIG. 4 , the high power generation double-glass module 100 system may include multiple rows of the photovoltaic supports 300 arranged along the light incident direction. The spacing between the double-glass modules 100 can be implemented in various ways. For example, the distance between the double-glass modules 100 on top of each two adjacent rows of the photovoltaic supports 300 may be greater than or equal to the length of the shadow of the double-glass modules 100 in the front row when the sun shadow is the longest in a year. Setting the spacing according to this spacing can effectively prevent the double-glass modules 100 from being blocked by the shadow of the front-row modules, which will affect the power generation of the double-glass modules 100. When the length is increased, the setting of 100 rows of double-glass modules in the system can be increased under the condition of ensuring no occlusion, and the utilization rate of the site can be improved. Even at the time when the shadows are most affected, such as the winter solstice in the northern hemisphere, the protruding part of the light guide plate 200 has no additional radiation due to the shadow in the front row, but due to the diffuse reflection in the space, the back of the double glass module 100 will not produce hot spot effects and other effects on the module. negative effect.

In a specific implementation, the setting of the position of the second region 220 may have various implementations. For example, as shown in FIG. 1 , FIG. 2 , and FIG. 4 , in order to prevent the light guide plate 200 from blocking the rear double-glass modules 100 and affecting the power generation efficiency of the rear double-glass modules 100 , the second area 220 may be located in the The bottom side of the light guide plate 200; further, the protruding length of the second region 220, that is, the distance between each row of the light guide plates 200 and the front row of the double glass modules 100 can be set in various embodiments, for example, each The distance between the light guide plates 200 in the row and the double-glass modules 100 in the front row is greater than or equal to the length of the shadow of the double-glass modules 100 in the front row when the sun shadow is the shortest in the year.

In specific implementation, the selection of the light guide plate 200 may have various implementations. For example, the light guide plate 200 may have an optical fiber 230 inside, the light incident end of the optical fiber 230 is disposed in the first area 210 , and the light outgoing end is disposed in the second area 220 .

In a specific implementation, in order to improve the light guide efficiency, as shown in FIG. 6 , the light guide plate 200 may have a plurality of optical fibers 230 arranged in parallel. Further, the light incident end and the light output end of the optical fibers 230 may be both perpendicular to the front surface of the light guide plate 200 .

In a specific implementation, the arrangement of the light guide plate 200 and the double glass assembly 100 in each row may have various implementations. For example, as shown in FIG. 5 , the top of each row of the photovoltaic supports 300 may have a plurality of the light guide plates 200 and a plurality of the double glass modules 100 , and each of the light guide plates 200 corresponds to the double glass module at the bottom. 100 is equal in width. During installation, each light guide plate 200 having the same width as the double-glass assembly 100 is aligned with a double-glass assembly 100 and arranged in sequence.

In the specific implementation, the fixing of the double glass assembly 100 and the light guide plate 200 may have various implementations. For example, as shown in FIG. 1 and FIG. 7 , in order to improve the stability and ensure that the angles of the double-glass module 100 and the light guide plate 200 are kept the same, the photovoltaic support 300 clamps the light guide plate 200 and the light guide plate 200 through the double-layer fixing clamps 340 . The double-glass assembly 100 is described. The double-layer fixing fixture 340 can clamp the light guide plate 200 and the double glass assembly 100 at the same time, and does not need to be fixed separately, and the installation is convenient and firm.

In a specific implementation, the arrangement of the double-layer fixing fixture 340 may have various embodiments. For example, as shown in FIGS. 8A , 8B, 9A, and 9B, the double-layer fixing clamp 340 may include a side clamp 341 and a middle clamp 342, the side clamp 341 having a single-side clamping portion arranged in a row The light guide plates 200 on both sides and the outer ends of the double-glass assemblies 100 on both sides; the middle clamp 342 has a double-side clamping part, which is arranged on two adjacent light guide plates 200 and opposite sides in a row. between two of the double-glass modules 100 . When the light guide plate 200 and the double glass assembly 100 are fixed by the double-layer fixing fixture 340 , the double-layer fixing fixture 340 can be fixed to the beam, and the beam is perpendicular to the main beam 320 . The double-layer fixing fixture 340 can be disassembled and adjusted through bolts and screw holes, so that light guide plates 200 with different thicknesses can be used.

In a specific implementation, the fixing of the light guide plate 200 by the double-layer fixing fixture 340 may have various implementations. For example, as shown in FIGS. 8A , 8B, 9A and 9B, in order to closely combine the clamping surface with the light guide plate 200, eliminate the gap, and at the same time effectively absorb vibration in the outdoor environment, and improve the stability of the light guide plate 200, the double-layer fixing fixture The clamping surface of the light guide plate 200 of 340 may have a rubber pad 343, and further, the surface of the rubber pad 343 may be wavy to increase the frictional force of the contact portion.

In the specific implementation, the selection of the photovoltaic support 300 may have various implementations. For example, as shown in FIG. 1 , in order to ensure stable support of the uprights 310 , each row of the photovoltaic supports 300 may include multiple groups of uprights 310 arranged perpendicular to the light incident direction, and each group may include two groups of uprights 310 arranged along the light incident direction further, due to the different inclination angles of the installation environment, in order to facilitate adaptation to various installation environments, so that the double-glass module 100 and the light guide plate 200 are at the optimum angle, each of the uprights 310 may have Height adjustment mechanism.

In a specific implementation, as shown in FIG. 1 , in order to further enhance the stability of the system, the photovoltaic support 300 may also have diagonal struts 350 , two ends of the diagonal struts 350 are respectively connected with the main beam 320 and the Uprights 310 are hinged. When the diagonal struts 350 are provided, the diagonal struts 350 can be hinged with the middle part of the main beam 320 and the middle part of the upright column 310 respectively.

To sum up, the high power generation double glass module 100 system provided by the present invention includes at least one row of light guide plates 200 and double glass modules 100 arranged at intervals. The light guide plate 200 faces the back surface of the double glass module 100 and can absorb the first light The area 210 protrudes out of the coverage of the double-glass module 100 , the second area 220 is within the coverage of the double-glass module 100 , and both the light guide plate 200 and the double-glass module 100 are disposed on top of the photovoltaic support 300 . The high-power-generation double-glass module 100 system can guide the sunlight to the back surface of the double-glass module 100 without affecting the absorption of sunlight by the front surface of the double-glass module 100 , so that both sides of the double-glass module 100 can obtain sunlight. , the power generation potential of the double-glass module 100 is fully exploited, and the power generation capacity of the double-glass module 100 is greatly improved.

The specific embodiments described above further describe the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above descriptions are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (11)

1. having optical plate (200) and solar double-glass assemblies (100) at the top of a kind of high generated energy solar double-glass assemblies system, including an at least row Photovoltaic bracket (300), in which:

The optical plate (200) and the solar double-glass assemblies (100) direction at the top of the photovoltaic bracket (300) successively have interval Setting；

The back surface of the optical plate (200) towards the solar double-glass assemblies (100), the first area including caning absorb light (210) and the second area (220) of light can be exported, the first area (210) leans out the covering of the solar double-glass assemblies (100) Range, the second area (220) are in the coverage area of the solar double-glass assemblies (100).

2. high generated energy solar double-glass assemblies system as described in claim 1, wherein high generated energy solar double-glass assemblies (100) system System includes multiple rows of photovoltaic bracket (300) along light incident direction setting, each adjacent two rows photovoltaic bracket (300) top The spacing of the solar double-glass assemblies (100) in portion is greater than or equal in 1 year the front-seat solar double-glass assemblies (100) when shadows cast by the sun longest The length of shade.

3. high generated energy solar double-glass assemblies system as claimed in claim 2, wherein the second area (220) is located at the light The bottom side of guide plate (200), the spacing for respectively arranging the optical plate (200) and the front-seat solar double-glass assemblies (100) are greater than or equal to The length of most front-seat in short-term solar double-glass assemblies (100) shade of shadows cast by the sun in 1 year.

4. high generated energy solar double-glass assemblies system as described in claim 1, wherein have light guide inside the optical plate (200) The light incident side of fiber (230), the optical fiber (230) is set to the first area (210), and light guide outlet is set to institute State second area (220).

5. high generated energy solar double-glass assemblies system as claimed in claim 4, wherein the light incident side of the optical fiber (230) And light guide outlet is each perpendicular to the front surface of the optical plate (200).

6. high generated energy solar double-glass assemblies system as claimed in claim 2, wherein respectively arrange tool at the top of the photovoltaic bracket (300) There are multiple optical plates (200) and a multiple solar double-glass assemblies (100), each optical plate (200) institute corresponding with bottom The width for stating solar double-glass assemblies (100) is equal.

7. high generated energy solar double-glass assemblies system as claimed in claim 6, wherein the photovoltaic bracket (300) passes through double-deck solid Clamp has (340) and clamps the optical plate (200) and the solar double-glass assemblies (100).

8. high generated energy solar double-glass assemblies system as claimed in claim 7, wherein the light guide of the double-layer fixing clip tool (340) Plate (200) clamping face has rubber pad (343), and rubber pad (343) surface is wave-shaped.

9. high generated energy solar double-glass assemblies system as claimed in claim 7, wherein the double-layer fixing clip tool (340) includes side Side fixture (341) and intermediate holder (342), the side edge clamp 341 have unilateral clamping part, the two sides institute being set in a row State the outer end of solar double-glass assemblies (100) described in optical plate (200) and two sides；The intermediate holder (342) has bilateral clamping part, if It is placed between the two neighboring optical plate (200) and the two neighboring solar double-glass assemblies (100) in a row.

10. high generated energy solar double-glass assemblies system as claimed in claim 2, wherein respectively arranging the photovoltaic bracket (300) includes hanging down Directly in the multiple groups column (310) of light incident direction setting, interior each group includes two along the described vertical of light incident direction setting Column (310), each column (310) have height adjustment mechanism.

11. high generated energy solar double-glass assemblies system as claimed in claim 10, wherein the photovoltaic bracket (300) also has oblique Strut (350), the both ends of the hound (350) are hinged with girder (320) and the column (310) respectively.