CN218103074U - Double-sided photovoltaic high-efficiency power generation support - Google Patents
Double-sided photovoltaic high-efficiency power generation support Download PDFInfo
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- CN218103074U CN218103074U CN202220523706.6U CN202220523706U CN218103074U CN 218103074 U CN218103074 U CN 218103074U CN 202220523706 U CN202220523706 U CN 202220523706U CN 218103074 U CN218103074 U CN 218103074U
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- reflector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
Abstract
The utility model discloses a double-sided photovoltaic high-efficiency power generation support, which comprises a double-sided photovoltaic component support for mounting a double-sided photovoltaic component, wherein a back mirror support is fixedly connected below the double-sided photovoltaic component support, and a back reflector is mounted on the back mirror support; the front end of the back mirror bracket is hinged with a front reflector bracket, a front reflector is mounted on the front reflector bracket, and a front reflector driver is hinged on the front reflector bracket; the rear end of the back mirror bracket is hinged with a rear reflector bracket, a rear reflector is installed on the rear reflector bracket, and a rear reflector driver is hinged on the rear reflector bracket; the photovoltaic module support and/or the back mirror support are hinged on the front upright post, and the pitching driver hinged on the rear upright post is hinged with the photovoltaic module support and/or the back mirror support. The power generation support can directly reflect sunlight to the back of the double-sided photovoltaic module, and has the characteristics of high power generation efficiency and generated energy.
Description
Technical Field
The utility model relates to a solar photovoltaic power generation device especially relates to a single-axis tracking electricity generation support with two-sided photovoltaic power generation subassembly.
Background
Solar energy is a renewable clean energy, and a solar photovoltaic power generation device is equipment for converting solar energy into electric energy and mainly comprises a solar photovoltaic power generation assembly and a power generation bracket for supporting the photovoltaic power generation assembly. At present, a photovoltaic power generation device mainly comprises a fixed support photovoltaic power generation device, a single-shaft tracking photovoltaic power generation device and a double-shaft tracking photovoltaic power generation device, and the power generation devices can only receive solar radiation on a single surface, so that the power generation efficiency is greatly limited.
Therefore, people develop a double-sided photovoltaic power generation device with a double-sided power generation assembly, so that the back surface of the photovoltaic power generation assembly can also receive reflected light and scattered light of the surrounding environment to generate power, and the photovoltaic power generation efficiency is greatly improved. The power generation gain of the initial double-sided photovoltaic module is mainly to increase the power generation amount by means of reflection of sunlight on the back of the module after the sunlight directly radiates and scatters to the ground, the effect of increasing the power generation amount by totally depending on the reflected light and the scattered light of the surrounding environment is very limited, the potential of the double-sided photovoltaic module is not fully exerted in practice, but the initial investment cost is increased, so that people think that the direct light irradiated on the surface of the double-sided photovoltaic module is reflected by a reflector to change the propagation direction so as to finally irradiate on the back of the double-sided photovoltaic module, and the power generation amount of the double-sided photovoltaic module is improved. Its structure is at two-sided photovoltaic module's below installation reflector panel, like chinese utility model patent "two-sided photovoltaic module of two glasss is with support", patent number: 201621234370.2, in the structure of the patent, the reflector panel can not or rarely receive the direct sunlight due to the shielding of the upper photovoltaic module, and mainly refracts the ambient scattered light to the back of the photovoltaic power generation module, so that the increase of the power generation efficiency and the power generation amount is still very limited.
SUMMERY OF THE UTILITY MODEL
Not enough to the above-mentioned that prior art exists, the utility model aims to solve the technical problem that a two-sided photovoltaic high efficiency power generation support is provided, can not only with sunlight direct reflection to the two-sided photovoltaic module back, enable the reflector surface moreover and trail the sun.
In order to solve the technical problem, the double-sided photovoltaic high-efficiency power generation bracket comprises a double-sided photovoltaic assembly bracket for mounting a double-sided photovoltaic assembly, a back mirror bracket is fixedly connected below the double-sided photovoltaic assembly bracket, and a back reflector is mounted on the back mirror bracket; the front end of the back mirror bracket is hinged with a front reflector bracket, a front reflector is mounted on the front reflector bracket, and a front reflector driver is hinged on the front reflector bracket; the rear end of the back mirror bracket is hinged with a rear reflector bracket, a rear reflector is installed on the rear reflector bracket, and a rear reflector driver is hinged on the rear reflector bracket; the photovoltaic module support and/or the back mirror support are/is hinged on the front upright post, and the pitching driver hinged on the rear upright post is hinged with the photovoltaic module support and/or the back mirror support.
Preferably, the back reflector is a flat mirror.
Preferably, the mirror surfaces of the front reflector and the rear reflector are both folding surfaces, and the reflected light of the front reflector and the reflected light of the rear reflector are projected to the back surface of the double-sided photovoltaic module.
Preferably, the mirror surfaces of the front reflector and the rear reflector are both quadric surfaces, and the reflected light of the front reflector and the reflected light of the rear reflector are projected to the back of the double-sided photovoltaic module.
Preferably, the hinge point of the photovoltaic module support and/or the back mirror support on the front upright is arranged away from the hinge point of the photovoltaic module support and/or the back mirror support on the back upright.
Preferably, the front mirror driver, the rear mirror driver and the pitch driver include a screw nut pair and a motor driving the screw nut pair.
Preferably, the front mirror driver and the mirror driver are both hinged to the back mirror support.
Preferably, the pitch drive is hinged to the mirror back support by a mirror back outrigger.
By adopting the photovoltaic power generation equipment with the structure, the double-sided photovoltaic component is arranged on the double-sided photovoltaic component support, and the back surface of the double-sided photovoltaic component support can also receive solar reflection light or scattered light to generate power, so that more electric energy can be generated compared with the traditional single-sided module, the photovoltaic power generation capacity is greatly improved by the double-sided photovoltaic component, and the comprehensive power generation efficiency is higher. And because the front reflector and the rear reflector are respectively arranged at the front end and the rear end of the back mirror bracket through the corresponding brackets, the front reflector and the rear reflector can directly reflect direct light irradiated on the surface of the back mirror bracket by the sun, change the propagation direction of the direct light and irradiate the back of the double-sided photovoltaic module, so that the solar radiation energy received by the double-sided photovoltaic cells with the same area is greatly improved, and the back power generation characteristic of the double-sided photovoltaic cells is fully utilized. And a back reflector is fixedly arranged below the double-sided photovoltaic cell module, so that the conversion efficiency of reflected light and scattered light of the back of the module and the surrounding environment is improved, and the power generation capacity is increased. More because the back mirror support is hinged on the stand column, and the front reflector support and the rear reflector support are hinged at the front end and the rear end of the back mirror support respectively, the back mirror support, the front reflector support and the rear reflector support are driven by corresponding driving devices, the optimal tracking inclination angle can be determined according to the change of the solar altitude and the change of the latitude at the position, so that the front side of the photovoltaic power generation assembly receives more sunlight direct irradiation, the back side of the photovoltaic power generation assembly receives more sunlight reflection, the double-sided photovoltaic cell can obtain more generated energy, and the power generation efficiency is higher.
Drawings
The double-sided photovoltaic high-efficiency power generation bracket of the utility model is further explained with the accompanying drawings and the specific implementation mode.
Fig. 1 is a schematic structural diagram of a specific embodiment of the double-sided photovoltaic high-efficiency power generation support of the present invention.
In the figure, 1-front column, 2-back reflector, 3-back reflector bracket, 4-front reflector driver, 5-front reflector bracket, 6-front reflector, 7-bracket connecting rod, 8-double-sided photovoltaic module, 9-photovoltaic module bracket, 10-back reflector, 11-back reflector bracket, 12-back driver supporting rod, 13-back reflector driver, 14-back reflector outrigger, 15-pitching driver.
Detailed Description
As shown in fig. 1, the double-sided photovoltaic power generation equipment with the free-form reflection curved surface is characterized in that a front upright post 1 and a rear upright post 16 are deeply planted on the ground through a foundation and are a supporting foundation of the whole photovoltaic power generation equipment; the front upright post 1 is positioned on the south side, and the rear upright post 16 is positioned on the north side, so that the photovoltaic power generation assembly forms an inclined light receiving structure with high north and low south.
The double-sided photovoltaic module bracket 9 for mounting the double-sided photovoltaic module 8 is a frame structure formed by fixedly connecting longitudinal beams and transverse sandalwood strips, the back mirror bracket 3 is arranged below the double-sided photovoltaic module bracket 9 at intervals, and the double-sided photovoltaic module bracket 9 and the back mirror bracket 3 are common frame structures for mounting solar photovoltaic cell panels. The back reflector 2 is fixedly mounted on the back reflector support 3, the back reflector 2 is a flat mirror, the plane where the back reflector 2 and the double-sided photovoltaic module 8 are located is arranged in an inclined mode, and an included angle is formed between the back reflector 2 and the plane, so that reflected light and scattered light from the ambient environment and the back of the photovoltaic module can be reflected to the back of the photovoltaic module. The double-sided photovoltaic module bracket 9 and the back mirror bracket 3 are fixedly connected with each other through a plurality of bracket connecting rods 7 to form an integral structure. A rear drive strut 12 is fixedly supported on the rear mirror support 3 by a rear mirror outrigger 14, the rear drive strut 12 is used for hinging a rear mirror drive 13, and the rear mirror outrigger 14 is also fixedly connected by a rod or a beam.
The back mirror bracket 3 is hinged at the upper end of the front upright post 1, and the hinged point of the back mirror bracket 3 on the front upright post 1 is close to the front end of the back mirror bracket 3; the upper end of the front upright post 1 can also be hinged on the photovoltaic module bracket 9 or the bracket connecting rod 7. A pitching driver 15 is hinged on the back mirror outrigger 14, the pitching driver 15 comprises a screw-nut pair and a driving motor for driving the screw-nut pair, and the driving motor is a servo motor; the extending end of a screw rod of the pitching driver 15 is hinged on the extending bracket 14 of the back mirror, the outer shell of the pitching driver 15 is hinged on the upper end of the rear upright post 16, and when the motor drives the screw rod nut pair, the back mirror bracket 3 and the photovoltaic module bracket 9 can swing around the hinged point on the front upright post 1 to complete the pitching motion of the photovoltaic power generation device. The screw rod extending end of the pitching drive 15 can also be directly hinged on the back mirror bracket 3 or the photovoltaic module bracket 9.
The front end of the back mirror bracket 3 is hinged with a front reflector bracket 5, one end of the front reflector bracket 5 is hinged on the back mirror bracket 3, the extending end of the front reflector bracket 5 is hinged with a screw rod of a front reflector driver 4, the front reflector driver 4 also comprises a screw rod nut pair and a motor for driving the screw rod nut pair, the outer shell of the front reflector driver 4 is hinged at the front end of the back mirror bracket 3, and a front reflector 6 is arranged on the front reflector bracket 5; the front reflector driver 4 can drive the front reflector bracket 5 and the front reflector 6 on the front reflector bracket to swing around a hinged point, so that the projection angle of the front reflector to the back of the double-sided photovoltaic module is changed, and reflected light is ensured to be uniformly and accurately reflected to the back of the double-sided photovoltaic module.
The rear end of the back mirror bracket 3 is hinged with a back mirror bracket 11, one end of the back mirror bracket 11 is hinged on the back mirror bracket 3, the extending end of the back mirror bracket 11 is hinged with a screw rod of a back mirror driver 13, the back mirror driver 13 also comprises a screw rod nut pair and a motor for driving the screw rod nut pair, and the outer shell of the back mirror driver 13 is hinged on a back driver support rod 12. A rear reflector 10 is mounted on the rear reflector bracket 11; the rear reflector driver 13 can drive the rear reflector bracket 11 and the rear reflector 10 thereon to swing around the hinged point, so as to change the projection angle of the rear reflector to the back of the double-sided photovoltaic module, thereby ensuring that the reflected light is uniformly and accurately reflected to the back of the double-sided photovoltaic module.
The mirror surfaces of the front reflector 6 and the rear reflector 10 are both folded surfaces, each folded surface is formed by combining a plurality of strip-shaped flat mirrors, and each strip-shaped flat mirror reflects sunlight to different sections of the back surface of the double-sided photovoltaic module 8 so as to form uniform reflected light on the back surface of the double-sided photovoltaic module 8. In this embodiment, the mirror surface of the front reflector 6 is composed of two rectangular strip flat mirrors, and the two rectangular strip flat mirrors are mutually inclined to form a folded surface; the rear reflector 10 has a mirror surface formed by three rectangular strip flat mirrors which are also inclined to each other to form a folded surface. The folded mirror combined by the strip flat mirrors is convenient to process and manufacture and can be made of glass flat mirrors.
The front reflector 6 and the rear reflector 10 may be curved surfaces such as a parabolic mirror, a hyperboloidal mirror, a cylindrical mirror, etc. besides the curved surfaces, the mirror surfaces may also be quadratic curved mirrors, which are made of optical plastics for easy processing.
The folding surfaces of the front reflector 6 and the back reflector 10 are tilted upwards and are positioned at two ends of the back reflector 2, and the mirror surfaces of the front reflector 6, the back reflector 2 and the back reflector 10 generally form a continuous folding surface, and the tilting structure can effectively block the 'escape' of reflected light between the back surface of the double-sided photovoltaic module 8 and the back reflector 2, so that solar energy can be efficiently converted into electric energy.
The front reflector driver 4, the rear reflector driver 13 and the pitching driver 15 can be a common pitching driving structure adopted by the existing photovoltaic power generation equipment besides the structure of driving the screw nut by the motor.
Claims (8)
1. A two-sided photovoltaic high efficiency power generation support, includes two-sided photovoltaic module support (9) that are used for installing two-sided photovoltaic module (8), its characterized in that: a back mirror bracket (3) is fixedly connected below the double-sided photovoltaic module bracket (9), and a back reflector (2) is arranged on the back mirror bracket (3); the front end of the back mirror bracket (3) is hinged with a front reflector bracket (5), a front reflector (6) is installed on the front reflector bracket (5), and a front reflector driver (4) is hinged on the front reflector bracket (5); the rear end of the back mirror bracket (3) is hinged with a rear reflector bracket (11), a rear reflector (10) is installed on the rear reflector bracket (11), and a rear reflector driver (13) is hinged on the rear reflector bracket (11); the photovoltaic module support (9) and/or the back mirror support (3) are hinged to the front upright post (1), and the pitching driver (15) hinged to the rear upright post (16) is hinged to the photovoltaic module support (9) and/or the back mirror support (3).
2. The bifacial photovoltaic high efficiency power generation support according to claim 1, wherein: the back reflector (2) is a flat mirror.
3. The bifacial photovoltaic high efficiency power generation support according to claim 1 or 2, characterized in that: the front reflector (6) and the rear reflector (10) are both folding surfaces, and the reflected light of the front reflector (6) and the rear reflector (10) is projected to the back surface of the double-sided photovoltaic module (8).
4. The bifacial photovoltaic high efficiency power generation support according to claim 1 or 2, characterized in that: the front reflector (6) and the rear reflector (10) are both quadric surfaces, and the reflected light of the front reflector (6) and the rear reflector (10) is projected to the back of the double-sided photovoltaic module (8).
5. The bifacial photovoltaic high efficiency power generation support according to claim 1, wherein: the hinge point of the photovoltaic module bracket (9) and/or the back mirror bracket (3) on the front upright post (1) is arranged at a distance from the hinge point of the photovoltaic module bracket and/or the back mirror bracket on the rear upright post (16).
6. The bifacial photovoltaic high efficiency power generation support according to claim 1, wherein: the front reflector driver (4), the rear reflector driver (13) and the pitching driver (15) comprise a screw nut pair and a motor for driving the screw nut pair.
7. The bifacial photovoltaic high efficiency power generation support according to claim 1, characterized in that: the front reflector driver (4) and the reflector driver (13) are hinged on the back reflector bracket (3).
8. The bifacial photovoltaic high efficiency power generation support according to claim 1 or 6, characterized in that: the pitching driver (15) is hinged with the back mirror bracket (3) through a back mirror outrigger (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220523706.6U CN218103074U (en) | 2022-03-11 | 2022-03-11 | Double-sided photovoltaic high-efficiency power generation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220523706.6U CN218103074U (en) | 2022-03-11 | 2022-03-11 | Double-sided photovoltaic high-efficiency power generation support |
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| Publication Number | Publication Date |
|---|---|
| CN218103074U true CN218103074U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220523706.6U Active CN218103074U (en) | 2022-03-11 | 2022-03-11 | Double-sided photovoltaic high-efficiency power generation support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218103074U (en) |
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2022
- 2022-03-11 CN CN202220523706.6U patent/CN218103074U/en active Active
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