CN219606805U - Irradiation simulation device for photovoltaic tracking system - Google Patents
Irradiation simulation device for photovoltaic tracking system Download PDFInfo
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- CN219606805U CN219606805U CN202320727531.5U CN202320727531U CN219606805U CN 219606805 U CN219606805 U CN 219606805U CN 202320727531 U CN202320727531 U CN 202320727531U CN 219606805 U CN219606805 U CN 219606805U
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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
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Abstract
The utility model provides an irradiation simulation device for a photovoltaic tracking system. The irradiation simulation device for the photovoltaic tracking system comprises a mounting structure, wherein the mounting structure defines a mounting position for placing the photovoltaic tracking system; the irradiation simulation device for the photovoltaic tracking system further comprises a plurality of direct light sources which are arranged on the mounting structure and are different in position, wherein the plurality of direct light sources are used for generating diffuse reflection light; or the irradiation simulation device for the photovoltaic tracking system further comprises an indirect light source arranged on the mounting structure and a reflecting structure positioned on at least one side of the indirect light source, and light beams emitted by the indirect light source form diffuse reflection light after being reflected by the reflecting structure; part of the light rays of the diffuse reflection light can be emitted into the installation position from different directions, so that the irradiation simulation device for the photovoltaic tracking system has a diffuse reflection simulation working condition. The irradiation simulation device for the photovoltaic tracking system can simulate the cloudy day diffuse reflection working condition.
Description
Technical Field
The utility model relates to the technical field of photovoltaics, in particular to an irradiation simulation device for a photovoltaic tracking system.
Background
In the prior art, the tracking system industry generally simulates sun direct irradiation on sunny days to test the generated energy, but the working condition of diffuse reflection irradiation on cloudy days is not simulated by a reliable method, so that the generated energy of the tracking system under the working condition of diffuse reflection on cloudy days cannot be truly reflected, and the difference between algorithms of different tracking systems under the working condition of diffuse reflection on cloudy days cannot be compared.
Disclosure of Invention
The utility model mainly aims to provide an irradiation simulation device for a photovoltaic tracking system, which can simulate the cloudy day diffuse reflection working condition.
In order to achieve the above object, the present utility model provides an irradiation simulation device for a photovoltaic tracking system, including a mounting structure defining a mounting position for placing the photovoltaic tracking system; the irradiation simulation device for the photovoltaic tracking system further comprises a plurality of direct light sources which are arranged on the mounting structure and are different in position, wherein the plurality of direct light sources are used for generating diffuse reflection light; or the irradiation simulation device for the photovoltaic tracking system further comprises an indirect light source arranged on the mounting structure and a reflecting structure positioned on at least one side of the indirect light source, and light beams emitted by the indirect light source form diffuse reflection light after being reflected by the reflecting structure; part of the light rays of the diffuse reflection light can be emitted into the installation position from different directions, so that the irradiation simulation device for the photovoltaic tracking system has a diffuse reflection simulation working condition.
Further, when the irradiation simulation device for the photovoltaic tracking system further comprises a plurality of direct light sources, the mounting structure comprises a plurality of supports, the supports are arranged around the mounting position, the supports are arranged at intervals along the direction which is arranged at an included angle with the length extension direction of the supports, and the plurality of direct light sources are sequentially arranged on each support along the length extension direction of the supports.
Further, the mounting structure further includes a base on which the plurality of brackets are provided, and each bracket is swingably provided with respect to the base about an extension axis parallel to a length extension direction of the bracket.
Further, two brackets are arranged along the direction forming an included angle with the length extending direction of the brackets, and the two brackets are respectively positioned at two sides of the installation position; the irradiation simulation device for the photovoltaic tracking system further comprises: a driving member having an output end for outputting torque; the transmission component is provided with an input shaft and two output shafts in transmission connection with the input shaft, the output shafts are rotatably arranged on the base, the rotation directions of the two output shafts are opposite, the output ends are in driving connection with the input shaft, and the two output shafts are respectively connected with the brackets, so that the two brackets are provided with a shutdown position close to each other and a simulation position far away from each other.
Further, when the irradiation simulation device for the photovoltaic tracking system further comprises a plurality of direct light sources, the irradiation simulation device for the photovoltaic tracking system further comprises a light source structure arranged on the installation structure, the light source structure is located above the installation position, and light beams emitted by the light source structure directly irradiate to the installation position, so that the irradiation simulation device for the photovoltaic tracking system further has a sunny simulation working condition.
Further, when the irradiation simulation device for the photovoltaic tracking system further comprises an indirect light source and a reflecting structure, the mounting structure comprises a supporting rail, and the indirect light source is arranged on the supporting rail and is positioned above the mounting position; the reflecting structure includes: the first reflecting piece is used for reflecting the light beam emitted by the indirect light source; the second light reflecting piece is arranged on the periphery of the first light reflecting piece in a surrounding mode, and light beams reflected by the first light reflecting piece are reflected by the second light reflecting piece in a diffuse mode and then are emitted into the installation position in different directions.
Further, the irradiation simulation device for the photovoltaic tracking system further comprises a support frame arranged on the indirect light source, wherein the support frame is used for supporting the first reflecting piece; at least part of the first reflecting piece is movably or rotatably arranged relative to the support frame, and the first reflecting piece is provided with a first position which is positioned between the indirect light source and the installation position and reflects the light beam emitted by the indirect light source, and a second position which enables the light beam emitted by the indirect light source to directly enter the installation position.
Further, the first reflecting piece is movably arranged on the supporting frame, the irradiation simulation device for the photovoltaic tracking system further comprises a limiting groove and a limiting piece in sliding fit with the limiting groove, one of the supporting frame and the first reflecting piece is provided with the limiting groove, and the other one of the supporting frame and the first reflecting piece is provided with the limiting piece.
Further, a part of the first reflecting member is movably arranged relative to the support frame, and the irradiation simulation device for the photovoltaic tracking system further comprises: the support frame is arranged on the support frame and provided with a sliding groove; the support shaft is rotatably arranged on the support frame, and the first reflecting piece is wound on the support shaft to form a scroll structure; the traction shaft, the fixed end and the back shaft of first reflection of light spare are connected, and the free end and the traction shaft of first reflection of light spare are connected, traction shaft and spout sliding fit, and traction shaft drive the switching of first reflection of light spare between first position and second position.
Further, the first reflecting piece is rotatably arranged relative to the support frame, and the irradiation simulation device for the photovoltaic tracking system further comprises a rotating shaft rotatably arranged on the support frame, wherein the rotating shaft is connected with the first reflecting piece to drive the first reflecting piece to rotate relative to the indirect light source, so that the first reflecting piece is switched between a first position and a second position.
Further, the irradiation simulation device for the photovoltaic tracking system further comprises: the driving piece is arranged on the indirect light source; the first end of the transmission piece is in driving connection with the driving piece, the second end of the transmission piece is connected with the support frame, and the second end of the transmission piece is movably arranged relative to the first end, so that the support frame has an extending state far away from the indirect light source and a containing state close to the indirect light source; when the support frame is in an extending state, the first reflecting piece is in a first position; when the support frame is in the storage state, the first reflecting piece is in the second position.
Further, the indirect light source comprises a mounting body and a luminous body arranged on the mounting body, the first reflecting piece is arranged on the mounting body, and the mounting body is movably arranged on the supporting rail.
By applying the technical scheme, on one hand, the plurality of direct light sources with different positions can emit a plurality of light beams with different directions so as to simulate diffuse reflection light, and the plurality of light beams can be emitted into a photovoltaic panel of a photovoltaic tracking system arranged at an installation position at different angles; on the other hand, the light beam emitted by the indirect light source is diffusely reflected by utilizing the reflecting structure, so that diffuse reflection light is formed and is emitted into the photovoltaic panel of the photovoltaic tracking system, therefore, the irradiation simulation device for the photovoltaic tracking system can simulate the cloudy day diffuse reflection working condition, so that the light received by the photovoltaic panel of the photovoltaic tracking system is mainly diffusely reflected, the generated energy of the tracking system under the cloudy day diffuse reflection working condition can be truly reflected, and the difference among algorithms of different tracking systems under the cloudy day diffuse reflection working condition can be compared according to actual needs.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 shows a schematic structural view of an embodiment one of an irradiation simulation device for a photovoltaic tracking system of the present utility model;
FIG. 2 shows a partial enlarged view of the irradiance simulation fixture for the photovoltaic tracking system of FIG. 1;
FIG. 3 shows a schematic structural diagram of a second embodiment of the irradiation simulation device for a photovoltaic tracking system in a diffuse reflection simulation condition;
FIG. 4 shows a schematic diagram of the indirect light source and reflective structure of the irradiance simulation device for the photovoltaic tracking system of FIG. 3;
fig. 5 shows a schematic structural diagram of a second embodiment of the irradiation simulation device for a photovoltaic tracking system in a sunny simulated condition;
FIG. 6 shows a schematic diagram of the indirect light source of the irradiance simulation fixture for the photovoltaic tracking system of FIG. 5;
fig. 7 shows a schematic structural diagram of a third embodiment of the irradiation simulation device for a photovoltaic tracking system in a sunny simulation condition;
FIG. 8 shows a schematic structural diagram of the irradiation simulation device for the photovoltaic tracking system of FIG. 7 in a diffuse reflection simulation mode;
FIG. 9 shows a schematic structural diagram of an embodiment of the irradiation simulation device for a photovoltaic tracking system of the present utility model in a sunny simulated condition; and
fig. 10 shows a schematic structural diagram of the irradiation simulation device for the photovoltaic tracking system of fig. 9 under a diffuse reflection simulation condition.
Wherein the above figures include the following reference numerals:
1. a photovoltaic tracking system; 10. a mounting structure; 11. a bracket; 12. a base; 13. a support rail; 20. an indirect light source; 21. a mounting body; 30. a direct light source; 50. a reflective structure; 51. a first light reflecting member; 52. a second light reflecting member; 61. a driving member; 62. a transmission member; 63. a support frame; 64. a limiting piece; 65. a support frame; 66. a support shaft; 67. a traction shaft; 68. a rotating shaft; 69. a driving member; 70. a transmission member; 80. a light source structure.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The irradiation on sunny days is mostly direct irradiation, and the irradiation on cloudy days is mostly diffuse reflection irradiation.
It should be noted that the difference between the algorithms of the tracking system is mainly represented by the cloudy day working condition, and whether the cloudy day irradiation can be truly restored is an important ring for the power generation test.
Thus, as shown in fig. 1 and 3, embodiments of the present utility model provide an irradiance simulation fixture for a photovoltaic tracking system. The irradiation simulation device for the photovoltaic tracking system comprises a mounting structure 10, wherein the mounting structure 10 defines a mounting position for placing the photovoltaic tracking system 1; the irradiation simulation device for the photovoltaic tracking system further comprises a plurality of direct light sources 30 which are arranged on the mounting structure 10 and are different in position, wherein the plurality of direct light sources 30 are used for generating diffuse reflection light; alternatively, the irradiation simulation device for the photovoltaic tracking system further comprises an indirect light source 20 arranged on the mounting structure 10 and a reflecting structure 50 positioned on at least one side of the indirect light source 20, wherein the light beam emitted by the indirect light source 20 forms diffuse reflection light after being reflected by the reflecting structure 50; part of the light rays of the diffuse reflection light can be emitted into the installation position from different directions, so that the irradiation simulation device for the photovoltaic tracking system has a diffuse reflection simulation working condition.
In the above technical solution, on one hand, by setting multiple direct light sources 30 with different positions, the multiple direct light sources 30 can emit multiple beams with different directions to simulate diffuse reflection light, and the multiple beams can be incident into the photovoltaic panel of the photovoltaic tracking system 1 placed at the installation position at different angles; on the other hand, the light beam emitted by the indirect light source 20 is diffusely reflected by the reflecting structure 50, so that diffuse reflection light is formed and is emitted into the photovoltaic panel of the photovoltaic tracking system 1, therefore, the irradiation simulation device for the photovoltaic tracking system of the embodiment can simulate the overcast diffuse reflection working condition, so that the light received by the photovoltaic panel of the photovoltaic tracking system 1 is mainly diffusely reflected, the generated energy of the tracking system under the overcast diffuse reflection working condition can be truly reflected, and the difference between algorithms of different tracking systems under the overcast diffuse reflection working condition can be compared according to actual needs.
Specifically, in the embodiment of the utility model, different responses of different tracking system algorithms are tested under the diffuse reflection simulation working condition, and the difference between the tracking systems can be fed back, so that the blank of testing the power generation amount in cloudy days in the industry is filled, and the testing environment is perfected.
Example 1
As shown in fig. 1, in the first embodiment of the present utility model, when the irradiation simulation device for a photovoltaic tracking system further includes a plurality of direct light sources 30, the mounting structure 10 includes a plurality of brackets 11, the brackets 11 are disposed around the mounting position, the plurality of brackets 11 are disposed at intervals along a direction disposed at an angle with a length extending direction of the brackets 11, and the plurality of direct light sources 30 are sequentially disposed on each bracket 11 along the length extending direction of the brackets 11.
In the above technical scheme, a plurality of direct light sources 30 are arranged along the length extending direction of the support 11 and in the direction perpendicular to the length extending direction of the support 11, and the support 11 is arranged around the installation position, so that the light beams emitted by the direct light sources 30 can be irradiated into the photovoltaic panel of the photovoltaic tracking system 1 from all directions, the effect of overcast diffuse reflection radiation is formed, and the overcast diffuse reflection working condition can be simulated for the photovoltaic tracking system.
Preferably, in the first embodiment of the present utility model, the plurality of direct light sources 30 on each of the holders 11 are uniformly spaced along the length extension direction of the holders 11 to improve the uniformity of irradiation.
Preferably, in the first embodiment of the present utility model, the support 11 is an arc-shaped structure disposed around the installation position, and the plurality of direct light sources 30 are disposed on the inner surface of the arc-shaped structure, so that the distances between the plurality of direct light sources 30 and the installation position can be more uniform, thereby improving the uniformity of irradiation.
Preferably, in the first embodiment of the present utility model, each of the direct light sources 30 may be an LED lamp, a low-power halogen lamp, a xenon lamp, or the like.
As shown in fig. 1 and 2, in the first embodiment of the present utility model, the mounting structure 10 further includes a base 12, a plurality of brackets 11 are provided on the base 12, and each bracket 11 is swingably provided with respect to the base 12 about an extension axis parallel to the length extension direction of the bracket 11.
Through the arrangement, when the cloudy day diffuse reflection working condition needs to be simulated, each bracket 11 can be rotated, so that two adjacent brackets 11 have a certain included angle, and light beams emitted by a plurality of direct light sources 30 can be emitted into the photovoltaic panel of the photovoltaic tracking system 1 in all directions, so that the cloudy day diffuse reflection working condition is simulated; further, the included angle between two adjacent brackets 11 can be adjusted by rotating each bracket 11, so that the positions of a plurality of direct light sources 30 can be adjusted, and the simulated working conditions are more consistent with cloudy-day working conditions.
As shown in fig. 2, in the first embodiment of the present utility model, two brackets 11 are provided, and the two brackets 11 are respectively located at two sides of the installation position along the direction forming an included angle with the length extension direction of the brackets 11; the irradiation simulation device for a photovoltaic tracking system further comprises a driving member 61 and a transmission member 62. Wherein the driving member 61 has an output for outputting torque; the transmission member 62 has an input shaft and two output shafts drivingly connected to the input shaft, the output shafts being rotatably provided on the base 12, and the two output shafts being rotated in opposite directions (i.e., the two output shafts being rotated one clockwise and one counterclockwise), the output shafts being drivingly connected to the input shaft, the two output shafts being respectively connected to the brackets 11 so that the two brackets 11 have a close rest position and a distant simulation position.
In the above technical solution, when the working condition of diffuse reflection on overcast days needs to be simulated, the driving member 61 may be turned on, and the two supports 11 are controlled to be far away by the output end of the driving member 61, the input shaft of the transmission member 62, and the two output shafts of the transmission member 62, so that the two adjacent supports 11 have a certain included angle, and light beams emitted by the multiple direct light sources 30 may be emitted into the photovoltaic panel of the photovoltaic tracking system 1 in each direction to simulate the working condition of diffuse reflection on overcast days; when it is necessary to end the cloudy day diffuse reflection condition, the driving member 61 may be used to drive the two brackets 11 to approach each other.
Specifically, in the first embodiment of the present utility model, the transmission member 62 includes a first gear and a first pulley that are disposed at intervals on the outer periphery of the input shaft, a second gear that is disposed in meshing engagement with the first gear, a second pulley that is disposed on one side of the first pulley, and a belt that is disposed on the outer periphery of the first pulley and the second pulley, wherein the second gear and the second pulley are disposed on both sides of the input shaft, respectively, one of the two output shafts is provided on the second pulley, and the other of the two output shafts is provided on the second gear, so that the rotation directions of the two output shafts are opposite.
In one embodiment, the belt drive between the first pulley and the second pulley may also be replaced with a chain drive.
Preferably, in the first embodiment of the present utility model, the base 12 includes a body fixedly connected to the ground and an output shaft support provided on the body, and the bracket 11 is fixedly connected to the output shaft and hinged to the output shaft support through the output shaft.
Preferably, in the first embodiment of the present utility model, the driving member 61 is a motor.
Preferably, in the first embodiment of the present utility model, the two brackets 11 are symmetrically disposed with respect to the installation position, so that the distances between the plurality of direct light sources 30 and the installation position can be more uniform, thereby improving the uniformity of irradiation.
As shown in fig. 1, in the first embodiment of the present utility model, when the irradiation simulation device for a photovoltaic tracking system further includes a plurality of direct light sources 30, the irradiation simulation device for a photovoltaic tracking system further includes a light source structure 80 disposed on the mounting structure 10, the light source structure 80 is located above the mounting position, and the light beam emitted by the light source structure 80 directly irradiates the mounting position, so that the irradiation simulation device for a photovoltaic tracking system further has a sunny simulation condition.
Through the arrangement, when a sunny working condition needs to be simulated, the plurality of direct light sources 30 can be turned off, the driving member 61 is utilized to drive the two supports 11 to be close to each other, the simulation of the cloudy diffuse reflection working condition is finished, and then the light source structure 80 is turned on, so that light beams emitted by the light source structure 80 can be directly irradiated to the installation position, and the irradiation simulation device for the photovoltaic tracking system can simulate the sunny working condition. Therefore, the irradiation simulation device for the photovoltaic tracking system can simulate not only the cloudy diffuse reflection working condition, but also the sunny working condition, and has wider applicability.
Specifically, in the first embodiment of the present utility model, the mounting structure 10 further includes a support rail 13, and the light source structure 80 is disposed on the support rail 13 and above the mounting position, so as to simulate a sunny condition.
Preferably, in the first embodiment of the present utility model, the light source structure 80 is movably disposed on the support rail 13 to adjust the radiation condition of the sun at different positions under the sunny condition.
Specifically, in the first embodiment of the present utility model, the light source structure 80 includes the mounting body 21 and a plurality of luminous bodies arranged in an array on the mounting body 21.
Example two
As shown in fig. 3 to 6, in the second embodiment of the present utility model, when the irradiation simulation device for a photovoltaic tracking system further includes the indirect light source 20 and the reflection structure 50, the installation structure 10 includes the support rail 13, and the indirect light source 20 is disposed on the support rail 13 and above the installation position; the reflective structure 50 includes a first reflective member 51 and a second reflective member 52. Wherein, the first reflecting member 51 is used for reflecting the light beam emitted by the indirect light source 20; the second reflecting member 52 is disposed around the first reflecting member 51, and the light beams reflected by the first reflecting member 51 are diffusely reflected by the second reflecting member 52 and then are emitted into the installation position in different directions.
Through the arrangement, the light beams emitted by the indirect light source 20 are reflected by the first light reflecting piece 51, then are emitted into the second light reflecting piece 52 which is arranged around the periphery of the first light reflecting piece 51, and then are diffusely reflected by the second light reflecting piece 52 to generate diffuse reflection light, so that a plurality of light rays in the diffuse reflection light are emitted onto the photovoltaic panel of the photovoltaic tracking system 1 in different directions to simulate a cloudy day diffuse reflection working condition for the photovoltaic tracking system 1; further, the structure of the simulation device utilizing the reflection of the reflection piece is simpler, the cost is lower, and the light uniformity of diffuse reflection light formed by the reflection piece is high, so that the simulation effect is good.
Specifically, in the second embodiment of the present utility model, the second reflecting member 52 is made of a high-reflectance material (the reflectance of the material is 80% or more, for example, aluminum plate, polished mirror aluminum, etc.) covering the periphery of the room, so that the structure of the simulation device is simplified and diffuse reflection can be better achieved.
As shown in fig. 3 to 6, in the second embodiment of the present utility model, the irradiation simulation device for a photovoltaic tracking system further includes a support 63 disposed on the indirect light source 20, where the support 63 is used to support the first reflecting member 51; the first reflecting member 51 is movably disposed with respect to the supporting frame 63, and the first reflecting member 51 has a first position located between the indirect light source 20 and the installation position and reflecting the light beam emitted from the indirect light source 20, and a second position enabling the light beam emitted from the indirect light source 20 to be directly injected into the installation position.
Through the arrangement, the first reflecting piece 51 can be positioned between the indirect light source 20 and the installation position and reflect the light beam emitted by the indirect light source 20, and the first reflecting piece 51 can be moved out of the position between the indirect light source 20 and the installation position, so that the light beam emitted by the indirect light source 20 can be directly emitted into the installation position, and therefore, the irradiation simulation device for the photovoltaic tracking system can simulate the cloudy day diffuse reflection working condition and the sunny day working condition, and the testing environment of the photovoltaic tracking system is perfected.
As shown in fig. 6, in the second embodiment of the present utility model, the first reflecting member 51 is movably disposed on the supporting frame 63, and the irradiation simulation device for a photovoltaic tracking system further includes a limiting groove and a limiting member 64 slidably matched with the limiting groove, the limiting groove is disposed on the first reflecting member 51, and the limiting member 64 is disposed on the supporting frame 63.
By the above arrangement, a sliding fit between the first reflecting member 51 and the supporting frame 63 can be achieved, so that the first reflecting member 51 is movably provided on the supporting frame 63 to manually switch the first reflecting member 51 between the first position and the second position.
Specifically, in the second embodiment of the present utility model, the first reflecting member 51 has a plate-like structure and is made of a material having a strong light reflecting ability (the light reflecting rate of the material is 80% or more, for example, aluminum plate, polished mirror aluminum, etc.), so that the light loss at the time of diffuse reflection is reduced.
In one embodiment, a limiting groove may be formed on the supporting frame 63, and a limiting member 64 may be formed on the first reflecting member 51.
Specifically, in the second embodiment of the present utility model, the supporting frame 63 includes two supporting beams that are arranged on the indirect light source 20 at intervals and are fixedly connected with the indirect light source 20, the supporting beams are bending members, and the bending ends of the supporting beams are provided with limiting grooves.
As shown in fig. 3, in the second embodiment of the present utility model, the indirect light source 20 includes a mounting body 21 and a light emitter disposed on the mounting body 21, the first light reflecting member 51 is disposed on the mounting body 21, and the mounting body 21 is movably disposed on the support rail 13.
Through the arrangement, the positions of the indirect light source 20 and the first reflecting piece 51 can be adjusted by moving the mounting body 21, so that the irradiation condition of the sun at different positions under the working condition of sunny days or cloudy days can be adjusted.
Example III
As shown in fig. 7, the embodiment is different from the second embodiment in that a part of the first reflecting member 51 is movably disposed with respect to the supporting frame 63, and the irradiation simulation device for a photovoltaic tracking system further includes a supporting frame 65, a supporting shaft 66, and a traction shaft 67. The supporting frame 65 is arranged on the supporting frame 63, and a sliding groove is formed in the supporting frame 65; the support shaft 66 is rotatably disposed on the support frame 65, and the first reflective member 51 is wound on the support shaft 66 to form a reel structure; the fixed end of the first reflecting piece 51 is connected with the supporting shaft 66, the free end of the first reflecting piece 51 is connected with the traction shaft 67, the traction shaft 67 is in sliding fit with the sliding groove, and the traction shaft 67 drives the first reflecting piece 51 to switch between the first position and the second position.
Through the arrangement, the first reflecting piece 51 can be unfolded between the indirect light source 20 and the installation position and reflect the light beam emitted by the indirect light source 20 by moving the traction shaft 67, and the first reflecting piece 51 can be moved out of the position between the indirect light source 20 and the installation position and wound on the supporting shaft 66 by moving the traction shaft 67, so that the light beam emitted by the indirect light source 20 can be directly emitted into the installation position, and the irradiation simulation device for the photovoltaic tracking system can simulate both cloudy day diffuse reflection working conditions and sunny day working conditions, thereby improving the testing environment of the photovoltaic tracking system.
Specifically, in the third embodiment of the present utility model, a screw nut structure, in which a driving motor is connected to a driving motor, is provided on the support frame 65, wherein the nut is connected to the traction shaft 67 so that the traction shaft 67 can move along the chute. Of course, manual pulling is also possible.
Preferably, in the third embodiment of the present utility model, the reel structure is designed using the principle of a spring roller shutter, so that automatic rewinding can be achieved when it is required to move the first reflecting member 51 out of position between the indirect light source 20 and the installation position and wind it around the supporting shaft 66.
In one embodiment, a rotating motor may also be provided in connection with the support shaft 66 to enable the first reflector to be rewound.
Preferably, in the third embodiment of the present utility model, the first reflecting member 51 is made of a flexible reflecting material.
Other structures of the third embodiment are the same as those of the second embodiment, and will not be described here again.
Example IV
As shown in fig. 9 and 10, the fourth embodiment is different from the second embodiment in that the first reflecting member 51 is rotatably disposed relative to the supporting frame 63, and the irradiation simulation device for a photovoltaic tracking system further includes a rotating shaft 68 rotatably disposed on the supporting frame 63, and the rotating shaft 68 is connected to the first reflecting member 51 to drive the first reflecting member 51 to rotate relative to the indirect light source 20, so that the first reflecting member 51 is switched between the first position and the second position.
Through the arrangement, the first reflecting piece 51 can be unfolded between the indirect light source 20 and the installation position through rotating the rotating shaft 68 and reflect the light beams emitted by the indirect light source 20, and the first reflecting piece 51 can be rotated to the vertical direction in fig. 9 through rotating the rotating shaft 68 and enable the light beams emitted by the indirect light source 20 to be directly emitted into the installation position, so that the irradiation simulation device for the photovoltaic tracking system can simulate the cloudy diffuse reflection working condition and the sunny working condition, and the testing environment of the photovoltaic tracking system is perfected.
Preferably, in the fourth embodiment of the present utility model, the irradiation simulation device for a photovoltaic tracking system includes two rotating shafts 68 and two first reflecting members 51, and the supporting frame 63 is located at the middle position of the indirect light source 20, and the two first reflecting members 51 are openably and closably arranged to switch between the first position and the second position. Wherein the first reflecting member 51 is a semicircular reflecting plate.
As shown in fig. 9 and 10, in the fourth embodiment of the present utility model, the irradiation simulation device for a photovoltaic tracking system further includes a driving member 69 and a transmission member 70. Wherein the driving piece 69 is provided on the indirect light source 20; the first end of the transmission member 70 is in driving connection with the driving member 69, the second end of the transmission member 70 is connected with the support frame 63, and the second end is movably arranged relative to the first end, so that the support frame 63 has an extended state far from the indirect light source 20 and a storage state close to the indirect light source 20; wherein, when the supporting frame 63 is in the extended state, the first reflecting member 51 is in the first position; when the supporting frame 63 is in the storage state, the first reflecting member 51 is in the second position.
Through the arrangement, when the working condition of diffuse reflection on overcast days needs to be simulated, the first reflecting piece 51 can be put down to reflect the light beams emitted by the indirect light source 20 to the second reflecting piece 52, so that diffuse reflection light is formed; when the sunny working condition needs to be simulated, the first light reflecting piece 51 can be retracted, so that the light beam emitted by the indirect light source 20 can be directly irradiated to the installation position, and the first light reflecting piece 51 is retracted, so that the first light reflecting piece 51 can be prevented from influencing the sunny working condition.
Specifically, in the fourth embodiment of the present utility model, the driving member 69 may be a rotating motor, and the driving member 70 includes a worm gear structure and a rope wound around the worm, and a free end of the rope is connected to the supporting frame 63 to realize movement of the supporting frame 63 in a vertical direction.
Specifically, in the fourth embodiment of the present utility model, the irradiation simulation device for a photovoltaic tracking system further includes a rotating motor disposed on the support 63, and an output shaft of the rotating motor is in driving connection with the rotating shaft 68, so as to drive the first reflecting member 51 to rotate relative to the indirect light source 20.
Other structures of the fourth embodiment are the same as those of the second embodiment, and will not be described here again.
From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: on one hand, a plurality of direct light sources with different positions are arranged, the plurality of direct light sources can emit a plurality of light beams with different directions so as to simulate diffuse reflection light, and the plurality of light beams can be emitted into a photovoltaic panel of a photovoltaic tracking system arranged at an installation position at different angles; on the other hand, the light beam emitted by the indirect light source is diffusely reflected by utilizing the reflecting structure, so that diffuse reflection light is formed and is emitted into the photovoltaic panel of the photovoltaic tracking system, therefore, the irradiation simulation device for the photovoltaic tracking system can simulate the overcast diffuse reflection working condition, so that the light received by the photovoltaic panel of the photovoltaic tracking system is mainly diffusely reflected, the generated energy of the tracking system under the overcast diffuse reflection working condition can be truly reflected, and the difference among different tracking system algorithms under the overcast diffuse reflection working condition can be compared.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (12)
1. An irradiation simulation device for a photovoltaic tracking system, characterized by comprising a mounting structure (10), the mounting structure (10) defining a mounting location for placing the photovoltaic tracking system (1);
the irradiation simulation device for the photovoltaic tracking system further comprises a plurality of direct light sources (30) which are arranged on the mounting structure (10) and are different in position, wherein the plurality of direct light sources (30) are used for generating diffuse reflection light; or, the irradiation simulation device for the photovoltaic tracking system further comprises an indirect light source (20) arranged on the mounting structure (10) and a reflecting structure (50) positioned on at least one side of the indirect light source (20), wherein the light beam emitted by the indirect light source (20) forms diffuse reflection light after being reflected by the reflecting structure (50);
and part of light rays of the diffuse reflection light can be emitted into the installation position from different directions, so that the irradiation simulation device for the photovoltaic tracking system has a diffuse reflection simulation working condition.
2. The irradiation simulation device for a photovoltaic tracking system according to claim 1, wherein when the irradiation simulation device for a photovoltaic tracking system further comprises a plurality of direct light sources (30), the mounting structure (10) comprises a plurality of brackets (11), the brackets (11) are disposed around the mounting position, the plurality of brackets (11) are disposed at intervals in a direction disposed at an angle to a length extending direction of the brackets (11), and the plurality of direct light sources (30) are sequentially disposed on each bracket (11) in the length extending direction of the brackets (11).
3. The irradiation simulation device for a photovoltaic tracking system according to claim 2, wherein the mounting structure (10) further comprises a base (12), a plurality of the brackets (11) are provided on the base (12), and each of the brackets (11) is swingably provided with respect to the base (12) about an extension axis parallel to a length extension direction of the bracket (11).
4. A radiation simulation device for a photovoltaic tracking system according to claim 3, characterized in that the number of the brackets (11) is two, and the two brackets (11) are respectively positioned at two sides of the installation position along the direction forming an included angle with the length extension direction of the brackets (11);
the irradiation simulation device for the photovoltaic tracking system further comprises:
a driving member (61) having an output for outputting torque;
the transmission component (62) is provided with an input shaft and two output shafts in transmission connection with the input shaft, the output shafts are rotatably arranged on the base (12), the rotation directions of the two output shafts are opposite, the output ends are in driving connection with the input shaft, and the two output shafts are respectively connected with the brackets (11) so that the two brackets (11) have a close rest position and a far simulation position.
5. The irradiation simulation device for a photovoltaic tracking system according to any one of claims 1 to 4, wherein when the irradiation simulation device for a photovoltaic tracking system further comprises a plurality of direct light sources (30), the irradiation simulation device for a photovoltaic tracking system further comprises a light source structure (80) arranged on the mounting structure (10), the light source structure (80) is located above the mounting position, and the light beam emitted by the light source structure (80) directly irradiates the mounting position, so that the irradiation simulation device for a photovoltaic tracking system further has a sunny simulation condition.
6. The irradiation simulation device for a photovoltaic tracking system according to claim 1, wherein when the irradiation simulation device for a photovoltaic tracking system further comprises an indirect light source (20) and a reflecting structure (50), the mounting structure (10) comprises a support rail (13), the indirect light source (20) being arranged on the support rail (13) above the mounting position;
the reflective structure (50) comprises:
a first reflecting member (51) for reflecting a light beam emitted from the indirect light source (20);
the second light reflecting piece (52) is arranged around the periphery of the first light reflecting piece (51), and light beams reflected by the first light reflecting piece (51) are reflected by the second light reflecting piece (52) in a diffuse mode and then are emitted into the installation position in different directions.
7. The irradiation simulation device for a photovoltaic tracking system according to claim 6, further comprising a support frame (63) provided on the indirect light source (20), the support frame (63) being for supporting the first light reflecting member (51);
at least part of the first reflecting member (51) is movably or rotatably arranged relative to the support frame (63), the first reflecting member (51) having a first position located between the indirect light source (20) and the mounting position and reflecting the light beam emitted by the indirect light source (20), and a second position enabling the light beam emitted by the indirect light source (20) to be directly incident into the mounting position.
8. The irradiation simulation device for a photovoltaic tracking system according to claim 7, wherein the first reflecting member (51) is movably provided on the supporting frame (63), the irradiation simulation device for a photovoltaic tracking system further comprises a limiting groove and a limiting member (64) slidably fitted with the limiting groove, one of the supporting frame (63) and the first reflecting member (51) is provided with the limiting groove, and the other of the supporting frame (63) and the first reflecting member (51) is provided with the limiting member (64).
9. The irradiation simulation device for a photovoltaic tracking system according to claim 7, wherein a part of the first light reflecting member (51) is movably disposed with respect to the supporting frame (63), the irradiation simulation device for a photovoltaic tracking system further comprising:
the support frame (65) is arranged on the support frame (63), and a chute is arranged on the support frame (65);
a support shaft (66) rotatably provided on the support frame (65), the first light reflecting member (51) being wound around the support shaft (66) to form a reel structure;
the traction shaft (67), the stiff end of first reflection of light spare (51) with back shaft (66) are connected, the free end of first reflection of light spare (51) with traction shaft (67) are connected, traction shaft (67) with spout sliding fit, traction shaft (67) drive first reflection of light spare (51) are in the first position with the switch between the second position.
10. The radiation simulation device for a photovoltaic tracking system according to claim 7, characterized in that the first light reflecting member (51) is rotatably arranged with respect to the support frame (63), the radiation simulation device for a photovoltaic tracking system further comprising a rotation shaft (68) rotatably arranged on the support frame (63), the rotation shaft (68) being connected with the first light reflecting member (51) to rotate the first light reflecting member (51) with respect to the indirect light source (20) to switch the first light reflecting member (51) between the first position and the second position.
11. The irradiation simulation device for a photovoltaic tracking system according to claim 10, further comprising:
a driving member (69) provided on the indirect light source (20);
a transmission member (70), a first end of the transmission member (70) being in driving connection with the driving member (69), a second end of the transmission member (70) being connected with the support frame (63), the second end being movably arranged with respect to the first end such that the support frame (63) has an extended state away from the indirect light source (20) and a stowed state close to the indirect light source (20);
wherein, when the support frame (63) is in the extended state, the first light reflecting member (51) is in a first position; when the supporting frame (63) is in the storage state, the first reflecting piece (51) is in the second position.
12. The irradiation simulation device for a photovoltaic tracking system according to any of claims 6 to 11, characterized in that the indirect light source (20) comprises a mounting body (21) and a luminous body provided on the mounting body (21), the first light reflecting member (51) is provided on the mounting body (21), and the mounting body (21) is movably provided on the support rail (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320727531.5U CN219606805U (en) | 2023-03-31 | 2023-03-31 | Irradiation simulation device for photovoltaic tracking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320727531.5U CN219606805U (en) | 2023-03-31 | 2023-03-31 | Irradiation simulation device for photovoltaic tracking system |
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| Publication Number | Publication Date |
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| CN219606805U true CN219606805U (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320727531.5U Active CN219606805U (en) | 2023-03-31 | 2023-03-31 | Irradiation simulation device for photovoltaic tracking system |
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| Country | Link |
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| CN (1) | CN219606805U (en) |
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- 2023-03-31 CN CN202320727531.5U patent/CN219606805U/en active Active
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