Irradiation simulation device for photovoltaic tracking system and photovoltaic power generation simulation test system

Abstract

The utility model provides an irradiation simulation device for a photovoltaic tracking system and a photovoltaic power generation simulation test system, and the device comprises a pedestal, a supporting part and a driving part, the supporting part and the driving part are disposed on the pedestal, and the pedestal is used for installing a photovoltaic tracking support; the supporting piece is rotationally arranged on the base around a horizontal rotating axis, and a light source with adjustable illumination intensity is mounted on the supporting piece; the light source is located above the photovoltaic tracking support. The driving part is used for driving the supporting part to rotate so that the light source can simulate the running state of the sun rising east and falling west. The device further comprises a light-transmitting shading piece, the light-transmitting degree of the light-transmitting shading piece is adjustable, and the light-transmitting shading piece is arranged on the supporting piece, located between the light source and the photovoltaic tracking support and used for being matched with the light source to simulate weather changes. The device simulates the solar irradiation condition in the natural environment, enables various photovoltaic power generation simulation test verification processes to be carried out in a manually controllable environment, effectively improves the controllability of related test verification processes, reduces the operation difficulty, shortens the test time, and improves the test result accuracy.

Description

Technical Field

[0001] The present application relates to the technical field of photovoltaic power generation simulation, and further to an irradiation simulation device for a photovoltaic tracking system and a photovoltaic power generation simulation test system. Background Art

[0002] As we all know, the rapid development of the photovoltaic power generation industry is inseparable from the researchers' multi-type and high-frequency continuous test operations. For example, when the sunshine intensity and operating temperature of photovoltaic modules are constant, there is only one maximum power point in their PV characteristic curve. Research on how to keep the system working at the peak point of the power curve and convert solar energy into electrical energy with the maximum efficiency, that is, the maximum power point tracking test, is one of the most concerned tests for researchers in this field.

[0003] In the related technologies, due to the ever-changing weather conditions and the uncontrollable test process in the natural environment, various photovoltaic power generation simulation tests are difficult to operate and time-consuming. In addition, since historical data cannot be repeatedly verified, the accuracy of the results is low, and there is room for improvement. Utility Model Content

[0004] The purpose of this application is to provide an irradiation simulation device and a photovoltaic power generation simulation test system for a photovoltaic tracking system, which simulates various weather changes when the sun is running by artificially arranging test scenes, making various photovoltaic power generation simulation test processes controllable, reducing the difficulty of test operation, shortening the test time, and improving the accuracy of test results.

[0005] The technical solutions provided by this application are as follows:

[0006] In one aspect, the present application provides an irradiation simulation device for a photovoltaic tracking system, comprising:

[0007] Base, used to install photovoltaic tracking bracket;

[0008] A support member is rotatably disposed on the base, and a rotation axis of the support member is horizontally disposed;

[0009] A light source is movably disposed on the support member and is located above the photovoltaic tracking bracket; the light intensity of the light source is adjustable;

[0010] A driving member, mounted on the base, for driving the supporting member to rotate so that the light source simulates the operating state of the sun;

[0011] The shading member is a light-transmitting shading member with an adjustable light transmittance. The shading member is disposed on the supporting member and is located between the light source and the photovoltaic tracking bracket, and is used to cooperate with the light source to simulate weather changes.

[0012] Through the irradiation simulation device for the photovoltaic tracking system provided by the present application, in actual applications, that is, when conducting a specific photovoltaic power generation simulation test, the photovoltaic tracking bracket and the photovoltaic components thereon are installed on the base, and the driving member drives the support member to rotate around the horizontal axis, driving the light source on the support member to rotate along an arc track at a preset height above the photovoltaic tracking bracket, so as to simulate the different azimuth changes of the sun in a day, that is, to simulate the rising and setting of the sun in a day. At the same time, the solar radiation intensity in different weather and different time periods of the day can be simulated by adjusting the light intensity of the light source, and the blocking of sunlight by clouds can be simulated by adjusting the light transmittance of the shading member. The light source, the shading member and the driving member are linked through the control system, and the light intensity and the light angle are changed at the same time according to the solar radiation values ​​in different weather and different time periods under natural conditions collected in the past, so as to realize the simulation of solar radiation in different weather.

[0013] The above-mentioned equipment is used to simulate solar radiation under different weather conditions, so that photovoltaic power generation simulation tests that could only be carried out in natural environments can be carried out in artificially constructed environments, so that the entire test process is always in an artificially controllable environment, effectively reducing the difficulty of operating various photovoltaic power generation simulation tests, thereby improving the test operation efficiency and shortening the test time; at the same time, since the solar radiation data under different weather conditions can be reproduced, the test data can be repeatedly verified, effectively improving the accuracy of the test results.

[0014] In some embodiments, the support member includes a support rod, one end of the support rod is provided with a cantilever, and the light source is provided on the cantilever and is located directly above the base;

[0015] One end of the support rod away from the cantilever is transmission-connected to the driving member.

[0016] By using the irradiation simulation device for the photovoltaic tracking system provided in the present application, a cantilever is set on the support rod to suspend the light source. The installation structure of the light source is simple and the production is convenient, which is beneficial to energy saving and cost reduction for the enterprise.

[0017] In some embodiments, the light source is detachably mounted on the cantilever.

[0018] Through the irradiation simulation device for the photovoltaic tracking system provided by the present application, the light source is arranged to be detachable relative to the support pole, which is convenient for the installation, maintenance and replacement of the light source. On the one hand, it helps to save the production and use costs of the enterprise; on the other hand, it is convenient to replace light sources of different types and brightness on the support pole, and then to simulate solar irradiation data under more types of weather, effectively expanding the scope of application of the irradiation simulation device for the photovoltaic tracking system and enhancing its practicality.

[0019] In some embodiments, the base includes a bottom plate and a plurality of legs, the bottom plate is horizontally arranged, and the plurality of legs are spaced apart on the bottom surface of the bottom plate to support the bottom plate;

[0020] The driving member is installed on the bottom surface of the bottom plate.

[0021] Through the irradiation simulation device for the photovoltaic tracking system provided by the present application, the driving component is arranged on the bottom surface of the base plate so that it is accommodated between the base plate and a plurality of legs, leaving the maximum available space on the base surface to facilitate the installation of the photovoltaic bracket. At the same time, it helps to promote the miniaturization development of the irradiation simulation device for the photovoltaic tracking system, so that it can meet the placement requirements of a smaller space, thereby further improving its applicability.

[0022] In some embodiments, a filter is further included, and the filter is detachably mounted on the light source.

[0023] Through the irradiation simulation device for the photovoltaic tracking system provided in the present application, by setting a filter at the light source, the simulation of the solar spectrum is achieved, which effectively improves the convenience of setting up the irradiation simulation device for the photovoltaic tracking system, helps to reduce the corresponding cost investment, and further reduces the difficulty of the corresponding experimental operation.

[0024] In some embodiments, the driving member includes a motor, and a housing of the motor is fixedly mounted on the base;

[0025] The output shaft of the motor is arranged perpendicular to the support rod and is transmission-connected with the support rod.

[0026] Through the irradiation simulation device for the photovoltaic tracking system provided in this application, a motor is set to drive the support rod to rotate around the horizontal axis to achieve the setting of the light source at different azimuth angles. The solar simulation component has a simple structure and is easy to set up, which helps to further reduce the production cost of the enterprise.

[0027] In some embodiments, the shading member is detachably disposed on the supporting member.

[0028] The irradiation simulation device for the photovoltaic tracking system provided in the present application is provided with a detachable connection between the shading member and the supporting member, which is convenient for the installation, maintenance and replacement of the shading member. It is convenient for researchers to replace the type of shading member according to specific needs to adjust the light transmittance of the shading member, which helps to improve the accuracy and convenience of the layout of the artificial simulation scene in the power generation simulation test; at the same time, it effectively reduces the layout cost.

[0029] In some embodiments, the shading member is arranged to be lifted and lowered between the base and the light source.

[0030] Through the irradiation simulation device for the photovoltaic tracking system provided by the present application, in actual applications, the position of the shading piece between the base and the light source is adjusted according to the size of the photovoltaic tracking bracket in the test, so as to achieve complete irradiation of the light source on the corresponding photovoltaic tracking bracket, thereby replacing the operation of replacing shading pieces of different sizes, which helps to further improve the convenience of the layout of the corresponding test scene.

[0031] In some embodiments, the shading member includes a plurality of sunshade strips that can rotate around their own length direction, and the plurality of sunshade strips are arranged in parallel and located in the same plane.

[0032] The irradiation simulation device for photovoltaic tracking system provided by the present application is provided with multiple sunshade strips that can rotate around their own length direction to form a structure similar to blinds. The sunshade strips are opaque strips. When multiple sunshade strips are vertical and arranged in parallel and spaced along their own thickness direction, all of them are transparent; when the sunshade strips are arranged at an angle, they are partially transparent; when the sunshade strips are arranged in parallel and located in the same plane, they are opaque. By adjusting the inclination angle of the sunshade strips, the blocking of sunlight by clouds can be simulated. The intensity of the light source irradiating on the photovoltaic tracking bracket is changed by means of a mechanical structure. The structure is simple and the setting is convenient, which helps to further reduce the production cost of the enterprise. At the same time, it effectively ensures the convenience of adjusting the light transmittance of the light-transmitting parts of the irradiation simulation device for photovoltaic tracking system, and improves the user experience of the irradiation simulation device for photovoltaic tracking system.

[0033] In some embodiments, the light shielding member includes a liquid crystal panel.

[0034] The irradiation simulation device for the photovoltaic tracking system provided by the present application is generally composed of two glass substrates coated with a transparent conductive layer and liquid crystal molecules between the two glass substrates. The light transmittance of the liquid crystal panel can be adjusted by adjusting the arrangement of the liquid crystal molecules by adjusting the external voltage. The liquid crystal panel is set as a light shielding member, and the light transmittance of the liquid crystal panel is adjusted by changing the voltage, thereby simulating the blocking of sunlight by clouds and changing the intensity of the light source irradiating the photovoltaic tracking bracket, which helps to simulate more realistic solar irradiation and thus improve the accuracy of the corresponding test.

[0035] On the other hand, the present application also provides a photovoltaic power generation simulation test system, comprising any of the above-mentioned irradiation simulation devices for photovoltaic tracking systems;

[0036] It also includes a photovoltaic tracking bracket, which is installed on the base.

[0037] Compared with the prior art, the irradiation simulation device for photovoltaic tracking system and photovoltaic power generation simulation test system provided by the present application have at least one of the following beneficial effects:

[0038] 1. In this application, a support member rotating around a horizontal axis is provided to support the light source, the base for installing the photovoltaic tracking bracket is provided below the light source, and a light-transmitting shading member with adjustable light transmittance is provided between the light source and the photovoltaic tracking bracket; the support member is driven to rotate by a driving member, so that the light source rotates along an arc track at a preset height above the photovoltaic tracking bracket to simulate the different azimuth changes of the sun; by adjusting the light intensity of the light source and adjusting the light transmittance of the shading member as needed, the cloud layer is simulated to block the sunlight, so as to cooperate with the light source to simulate different weather and solar radiation intensity in different time periods of the day. In this way, the azimuth changes and weather changes of the sun are simulated, so that the solar tracking control that could only be tested in the natural environment can be simulated by the equipment, which greatly improves the controllability of test verification in related fields, effectively reduces the difficulty of test operation, and makes the test operation time-saving and labor-saving; at the same time, since the solar radiation data under different weather conditions can be reproduced, the test data can be repeatedly verified, effectively improving the accuracy of the test results. In addition, the irradiation simulation device for the photovoltaic tracking system in the present application has a simple overall structure and is easy to build and use, which effectively reduces the corresponding cost investment of enterprises and users and is conducive to energy saving and cost reduction.

[0039] 2. In the present application, a mechanical solution similar to blinds or a liquid crystal panel solution is used to simulate the blocking of sunlight by clouds, thereby simulating different solar radiation on sunny and cloudy days. The implementation scheme of the shading element is simple and easy to implement, which effectively reduces the production difficulty and use difficulty of the radiation simulation device for the photovoltaic tracking system, has low cost, and provides a good user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] The preferred implementation scheme will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present solution.

[0041] Figure 1 It is an axonometric schematic diagram of the overall structure of the irradiation simulation device for the photovoltaic tracking system, which is mainly reflected in the embodiment of the present application.

[0042] Description of reference numerals:

[0043] 1. Base; 2. Support; 3. Driving part; 4. Light source; 5. Shading part; 6. Cantilever; 7. Mounting rod. DETAILED DESCRIPTION

[0044] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the specific implementation methods of the present application will be described below with reference to the accompanying drawings. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0045] In order to simplify the drawings, only the parts related to the present application are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically drawn or marked. In this article, "one" not only means "only one", but also means "more than one".

[0046] With the continuous multi-type and high-frequency experiments of researchers, the photovoltaic power generation industry has developed rapidly in recent years. In related fields, due to the ever-changing weather conditions and the uncontrollable test process in the natural environment, various photovoltaic power generation simulation tests (such as solar power generation tracking strategy test verification tests) are difficult to operate and time-consuming. In addition, since historical data cannot be repeatedly verified, the accuracy of the results is low, and there is room for improvement.

[0047] In this regard, refer to the accompanying drawings of the specification Figure 1 In one embodiment, a radiation simulation device for a photovoltaic tracking system is provided, comprising a base 1, a support member 2 disposed on the base 1, and a driving member 3, wherein the base 1 is used to install a photovoltaic tracking bracket; the support member 2 is rotatably disposed on the base 1 around a horizontal rotation axis, and a light source 4 with adjustable light intensity is movably mounted on the support member 2. When in use, the light source 4 is located above the photovoltaic tracking bracket; the driving member 3 is used to drive the support member 2 to rotate so that the light source 4 simulates the operating state of the sun rising in the east and setting in the west. At the same time, a shading member 5 is also included. In this embodiment of the present application, the shading member 5 is a translucent shading member 5, and its degree of light transmittance is adjustable. The shading member 5 is disposed on the support member 2 and is located between the light source 4 and the photovoltaic tracking bracket, and is used to cooperate with the light source 4 to simulate weather changes.

[0048] In specific applications, the photovoltaic tracking bracket and the photovoltaic components thereon are installed on the base 1, and the driving member 3 drives the support member 2 to rotate around the horizontal axis to drive the light source 4 on the support member 2 to rotate along the arc track at a preset height above the photovoltaic tracking bracket, so as to simulate the different azimuth changes of the sun rising in the east and setting in the west during the day. At the same time, the light transmittance of the shading member 5 is adjusted as needed to simulate the blocking of sunlight by clouds, and / or the light intensity of the light source 4 is adjusted to simulate the solar radiation intensity in different weather and different time periods of the day. In this way, that is, the light source, the shading element and the driving element are linked together through the control system, and the light intensity and the light angle are changed at the same time according to the solar radiation values ​​in different weather conditions and different time periods under natural conditions collected in the past, so that the solar radiation conditions in the natural environment can be simulated by the equipment, so that various photovoltaic power generation simulation tests that could only be carried out in the natural environment can be carried out in artificially controllable environments such as laboratories, effectively improving the controllability of the test and verification process in related fields, reducing the difficulty of operating various photovoltaic power generation simulation tests, and making the test and verification process in the corresponding related fields more time-saving and labor-saving; at the same time, the solar radiation data under different weather conditions can be reproduced repeatedly, and then the test data can be verified, which effectively improves the accuracy of the corresponding test results.

[0049] In one embodiment, based on the above embodiment, specifically, in this embodiment of the present application, the base 1 includes a bottom plate, referring to Figure 1 The bottom plate is generally a rectangular plate structure and is arranged horizontally; the base 1 also includes a plurality of legs (the legs are not shown in the drawings), and the plurality of legs are arranged at intervals on the bottom surface of the bottom plate to support the bottom plate. Of course, in the embodiments of the present application, the bottom plate can also be set to other shapes, and only one leg can be set, as long as it can stably support the bottom plate, and the embodiments of the present application do not impose specific restrictions on this.

[0050] Furthermore, the support member 2 includes a support rod, which is a long straight rod structure. A cantilever 6 is provided at one end of the support rod. The cantilever 6 is arranged perpendicular to the support rod and fixed to one side of the support rod in the horizontal direction. The light source 4 is installed on the cantilever 6 and is located on the side of the cantilever 6 close to the base 1 along the length direction of the support rod, and is kept suspended directly above the base 1.

[0051] In this embodiment of the present application, preferably, the light source 4 is detachably mounted on the cantilever 6 to facilitate the installation, maintenance and replacement of the light source 4. On the one hand, after the light source 4 is damaged, the operation of replacing the irradiation simulation device for the photovoltaic tracking system can be replaced by replacing the light source 4, thereby effectively saving the user's usage cost; on the other hand, by replacing light sources 4 of different types and brightness, solar irradiation data under more types of weather can be simulated, thereby effectively expanding the scope of application of the irradiation simulation device for the photovoltaic tracking system and enhancing its practicality.

[0052] Specifically, in this embodiment of the present application, the light source 4 can be set as a high-power bulb, and the light source 4 can be detachably installed on the cantilever 6 by setting a screw hole or a snap hole that matches the bulb socket on the cantilever 6; of course, the light source 4 can also be detachably connected to the cantilever 6 through structures such as hook hanging, magnetic attraction, rope binding, fixed embedding, etc. Since these are all conventional technologies, this embodiment of the present application will not go into details one by one.

[0053] At the same time, in order to make the light source 4 simulate more realistic solar radiation, in this embodiment of the present application, the light intensity of the light source 4 can be adjusted by changing the circuit voltage; in addition, a filter is provided at the light source 4 to simulate the solar spectrum.

[0054] In this embodiment of the present application, the support rod is arranged on one side of the bottom plate in the horizontal direction, and its rotation plane is arranged vertically. The driving member 3 includes a motor, the housing of which is fixedly mounted on the bottom surface of the bottom plate; the output shaft of the motor is arranged horizontally and is transmission-connected to the end of the support rod away from the light source 4, so as to drive the support rod to rotate horizontally around the axis of the motor output shaft.

[0055] Preferably, the shading member 5 is detachably arranged on the support rod to facilitate installation, maintenance and replacement of the shading member 5. On the one hand, the simulation cost of the corresponding test scene is reduced; on the other hand, researchers can replace the type and size of the shading member 5 according to specific needs to adjust the light transmittance of the shading member 5 and / or the irradiation range of the light source 4 on the corresponding photovoltaic tracking bracket, thereby improving the accuracy and convenience of the layout of the artificial simulation scene of the power generation simulation test.

[0056] In this embodiment of the present application, a mounting rod 7 can also be arranged parallel to the cantilever 6, and the shade 5 can be fixed to the end of the mounting rod 7 away from the support rod, so as to realize the suspension of the shade 5 between the light source 4 and the photovoltaic tracking bracket; at the same time, the mounting rod 7 is arranged to be detachably connected to the support rod by bolts, snap fit, magnetic attraction, etc., so as to realize the detachable installation of the shade 5 on the support rod. Since they are all conventional technologies, this embodiment of the present application will not repeat the connection method between the shade 5 and the support rod one by one; at the same time, the specific setting method of the shade 5 on the support rod should not be used as a limitation on the protection scope of the present application.

[0057] In this embodiment of the present application, further, the shading member 5 can also be set to be slidably connected with the support rod along the length direction of the support rod, so that the shading member 5 can be raised and lowered between the light source 4 and the base 1, so that no matter what the size of the photovoltaic tracking bracket in the test is, the irradiation of the light source 4 can always be completely covered by the corresponding shading member 5 on the corresponding photovoltaic tracking bracket, thereby replacing the operation of replacing shading members 5 of different sizes, thereby improving the convenience of the simulation operation of the corresponding test scene. For example, in the embodiment of the present application, on the basis of the shading member 5 being fixed to the end of the mounting rod 7 away from the support rod, the mounting rod 7 is embedded in the support rod, and slidably cooperates with the support rod along the length direction of the support rod, and penetrates the side wall of the support rod through bolts until it abuts against the side wall of the mounting rod 7. When the height of the shading member 5 needs to be adjusted, hold the mounting rod 7 and loosen the bolt to disengage the threaded end of the bolt from the side wall of the mounting rod 7. Push the mounting rod 7 along the length direction of the support rod as needed until the mounting rod 7 is adjusted to a suitable height on the support rod. Then tighten the bolt to achieve any lifting and lowering of the mounting rod 7 along the length direction of the support rod. The structure is simple and the adjustment is convenient, which effectively ensures the convenience of use of the irradiation simulation device for the photovoltaic tracking system and saves the production cost of the enterprise. Of course, the detachable setting of the mounting rod 7 relative to the support rod can also be achieved by magnetic attraction, snap-on connection, etc., and then the lifting and lowering setting on the support rod can be achieved. The implementation method of this application will not be repeated here. At the same time, the specific setting form of the lifting structure should not be used as a limitation on the protection scope of this application.

[0058] Of course, in this embodiment of the present application, the shading member 5 can also be directly fixed on the support rod.

[0059] Reference Figure 1 , a mounting rod 7 is provided at the lower end of the cantilever 6 on the support rod, the mounting rod 7 corresponds to the cantilever 6 and is arranged in parallel and spaced apart, and the shading member 5 is installed at one end of the mounting rod 7 which is away from the support rod in the length direction and is located directly below the light source 4. In the embodiments of the present application, the shading member 5 is also arranged in various forms. For example, the shading member 5 is arranged to be a structure similar to a Venetian blind, that is, a plurality of parallel sunshade strips are arranged, and any sunshade strip can be rotated around its own length direction, and the connecting line of the plurality of sunshade strips is always located in the same plane no matter how the sunshade strips are rotated; at the same time, any sunshade strip is an opaque strip. In practical applications, the degree of light transmittance of the shading member 5 can be adjusted by rotating the sunshade strip with a rotating member and adjusting its inclination angle relative to the light source 4, thereby simulating the shielding effect of the cloud layer on sunlight. The shading member 5 has a simple structure, convenient adjustment operation, low setting cost, and is convenient to use.

[0060] Of course, in order to prevent the physical part of the shading member 5 from completely blocking the light source 4, in the embodiment of the present application, the shading member 5 can also be set as a liquid crystal panel. As is well known, a liquid crystal panel is usually composed of two glass substrates coated with a transparent conductive layer and liquid crystal molecules between the two glass substrates. The arrangement of the liquid crystal molecules can be changed by changing the external voltage, thereby adjusting the light transmittance of the liquid crystal panel to simulate the shielding of sunlight by clouds. In this embodiment of the present application, a liquid crystal panel is used as the shading member 5. The light transmittance of the shading member 5 is stable, and the shielding of the light source 4 is uniform, which is conducive to improving the authenticity of the corresponding solar radiation simulation scene, and thus improving the accuracy of the corresponding test results.

[0061] Of course, the arrangement of the shading member 5 is not limited to the above two. In the implementation of the present application, the specific arrangement of the shading member 5 should not be used as a limitation on the protection scope of the present application.

[0062] Below, taking the photovoltaic tracking bracket installed on the irradiation simulation device for the photovoltaic tracking system as an example, the technical solution is explained in more detail. In one embodiment, a photovoltaic power generation simulation test system is provided, including any of the above-mentioned irradiation simulation devices for the photovoltaic tracking system; and also including a photovoltaic tracking bracket, which is detachably installed on the base 1.

[0063] In practical applications, that is, when conducting a specific photovoltaic power generation simulation test, after the photovoltaic tracking bracket is installed on the base 1, the power is turned on immediately, and the motor is started as needed. The output shaft of the motor drives the support rod to rotate around the horizontal axis, so that the light source 4 on the support rod rotates along an arc track at a preset height above the photovoltaic tracking bracket, thereby simulating the different azimuth changes of the sun in a day, that is, simulating the rising and setting of the sun in a day. At the same time, by adjusting the light transmittance of the shading member 5 and / or adjusting the light intensity of the light source 4 as needed, the solar radiation intensity in different weather conditions such as sunny days and cloudy days and different time periods can be simulated.

[0064] In this way, by simulating the changes in the sun's position and weather through the equipment, the solar tracking control that could only be tested in the natural environment can be carried out in an artificial control environment such as a laboratory, which greatly improves the controllability of the test verification process in the relevant field, effectively reduces the difficulty of the test operation, and makes the test operation more time-saving and labor-saving; at the same time, since the solar irradiation data under different weather conditions can be reproduced, the test data can be repeatedly verified, effectively improving the accuracy of the test results. In addition, the overall structure of the irradiation simulation device for the photovoltaic tracking system in this application is simple, easy to build and use, effectively reducing the corresponding cost investment of enterprises and users, and is conducive to energy saving and cost reduction.

[0065] It should be noted that the above embodiments can be freely combined as needed. The above is only the preferred implementation of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present application, and these improvements and modifications should also be regarded as the protection scope of the present application.

Claims

1. An irradiation simulation device for a photovoltaic tracking system, characterized in that: include: Base, used to install photovoltaic tracking bracket; A support member is rotatably disposed on the base, and a rotation axis of the support member is horizontally disposed; A light source is movably disposed on the support member and located above the photovoltaic tracking bracket, and the light intensity of the light source is adjustable; A driving member, mounted on the base, for driving the supporting member to rotate around a rotation axis so that the light source simulates the operation state of the sun; The shading member is a light-transmitting shading member with an adjustable light transmittance. The shading member is disposed on the supporting member and is located between the light source and the photovoltaic tracking bracket, and is used to cooperate with the light source to simulate weather changes.

2. The irradiation simulation device for a photovoltaic tracking system according to claim 1, characterized in that: The support member comprises a support rod, one end of which is provided with a cantilever, and the light source is provided on the cantilever and is located directly above the base; One end of the support rod away from the cantilever is transmission-connected to the driving member.

3. The irradiation simulation device for a photovoltaic tracking system according to claim 2, characterized in that: The light source is detachably arranged on the cantilever.

4. The irradiation simulation device for a photovoltaic tracking system according to claim 1 or 2, characterized in that: It also includes a filter, which is detachably arranged on the light source.

5. The irradiation simulation device for a photovoltaic tracking system according to claim 2, characterized in that: The driving member comprises a motor, and the housing of the motor is fixedly mounted on the base; The output shaft of the motor is arranged perpendicular to the support rod and is transmission-connected with the support rod.

6. The irradiation simulation device for a photovoltaic tracking system according to claim 1 or 2, characterized in that: The shading member is detachably arranged on the supporting member.

7. The irradiation simulation device for a photovoltaic tracking system according to claim 1 or 2, characterized in that: The shading member is arranged between the base and the light source in a lifting manner.

8. The irradiation simulation device for a photovoltaic tracking system according to claim 6, characterized in that: The shading member comprises a plurality of sunshade strips which can rotate around the length direction of the sunshade strips, and the plurality of sunshade strips are arranged in parallel and are located in the same plane.

9. The irradiation simulation device for a photovoltaic tracking system according to claim 6, characterized in that: The light shielding member includes a liquid crystal panel.

10. A photovoltaic power generation simulation test system, characterized in that: An irradiation simulation device for a photovoltaic tracking system comprising any one of claims 1 to 9; It also includes a photovoltaic tracking bracket, which is installed on the base.

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