WO2023040277A1 - 一种角度跟踪器、角度跟踪方法及光伏跟踪系统 - Google Patents
一种角度跟踪器、角度跟踪方法及光伏跟踪系统 Download PDFInfo
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- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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- G05D3/12—Control of position or direction using feedback
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- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- the invention relates to the technical field of photovoltaic power generation, and more specifically, to an angle tracker, an angle tracking method and a photovoltaic tracking system.
- a photovoltaic tracking system is a photovoltaic system that automatically tracks the sun and improves overall power generation.
- photovoltaic tracking systems usually perform apparent solar tracking at angles calculated by astronomical algorithms.
- Solar tracking is to calculate the solar elevation angle and solar azimuth angle based on geographical information and time, and then obtain the projection angle of the sun's rays on the plane perpendicular to the axis, and use the projection angle as the best tracking angle of the photovoltaic module.
- the inventors of the present invention have found through research that different weather conditions such as cloudy, cloudy, sunny direct light, scattered light, and surface emissivity have great differences in the power generation of the photovoltaic tracking system. Especially for bifacial modules that can generate electricity on the back side, it has a greater impact. However, in practical applications, the meteorological weather in different regions will be significantly different. Therefore, the use of clock chips and a single astronomical algorithm is prone to errors in the final optimal tracking angle due to inaccurate time, which cannot meet the application requirements.
- the present invention discloses an angle tracker, an angle tracking method, and a photovoltaic tracking system, so as to realize real-time monitoring of radiation intensity-related parameters collected by radiation intensity acquisition units at different installation angles, determine the optimal tracking angle, and the entire
- the process does not require clock chips and astronomical algorithms to effectively avoid errors caused by inaccurate time, so it can meet application requirements.
- An angle tracker the angle tracker is connected with at least one photovoltaic passive tracking system, the angle tracker includes: an angle tracking controller and an angle tracking mechanism;
- the angle tracking mechanism has a plurality of radiation intensity acquisition units with different installation angles
- the angle tracking controller is connected with the angle tracking mechanism, and is used to obtain the parameters related to the radiation intensity collected by each of the radiation intensity collection units, and collect the radiation intensity parameters of each of the radiation intensity collection units except the target radiation intensity collection unit.
- the angle of the radiation intensity acquisition unit whose radiation intensity related parameters meet the preset threshold condition is determined as the optimal tracking angle, and the angle of the target radiation intensity acquisition unit is adjusted to the optimal tracking angle;
- the preset threshold condition is related to the target irradiation intensity acquisition unit
- the target irradiation intensity acquisition unit is: each irradiation intensity acquisition unit has an irradiation intensity acquisition unit with the same angle as the photovoltaic module in the photovoltaic passive tracking system.
- the angle tracking mechanism further includes: a first rotating mechanism, on which a plurality of radiation intensity acquisition units with different installation angles are fixedly installed;
- the first rotating mechanism is used to drive each of the radiation intensity acquisition units to rotate synchronously according to the rotation instruction sent by the angle tracking controller.
- a wireless transmitter also include: a wireless transmitter
- the wireless transmitter is connected with the angle tracking controller, and is used for wirelessly transmitting the optimal tracking angle output by the angle tracking controller to the photovoltaic passive tracking system.
- An angle tracking method applied to the angle tracking controller in the above-mentioned angle tracker, said angle tracking method comprising:
- the preset threshold condition is related to the target irradiation intensity acquisition unit
- the target irradiation intensity acquisition unit is: each irradiation intensity acquisition unit has an irradiation intensity acquisition unit with the same angle as the photovoltaic module in the photovoltaic passive tracking system.
- the angle of the irradiation intensity acquisition unit whose irradiation intensity related parameters satisfy the preset threshold condition among each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit is determined as the optimal tracking angle , including:
- the angle of the radiation intensity acquisition unit corresponding to the target difference satisfying the difference threshold condition among the differences is determined as the optimal tracking angle.
- calculating the radiation intensity related parameters of each of the radiation intensity collection units except the target radiation intensity collection unit and the target radiation intensity collection unit The difference of the parameters related to the irradiance intensity, including:
- calculating the radiation intensity related parameters of each of the radiation intensity collection units except the target radiation intensity collection unit and the target radiation intensity collection unit The difference of the parameters related to the irradiance intensity, including:
- the angle tracker When the angle tracker is in the standby state, it is judged whether there is a first irradiation intensity acquisition unit in each of the irradiation intensity acquisition units except the target irradiation intensity acquisition unit, wherein the first The radiation intensity related parameter of the radiation collection unit is greater than the second threshold;
- the switching from the standby state to the running state, and adjusting the angle of the target irradiation intensity acquisition unit to an initial running angle specifically includes:
- a photovoltaic tracking system comprising: the above-mentioned angle tracker and at least one photovoltaic passive tracking system, each of the photovoltaic passive tracking systems is connected to the angle tracker;
- the angle tracker is used to send tracking angle adjustment instructions to each of the photovoltaic passive tracking systems, and the tracking angle adjustment instructions carry the best tracking angle;
- the photovoltaic passive tracking system is used to obtain the tracking angle adjustment instruction, and adjust the photovoltaic module to the optimal tracking angle according to the tracking angle adjustment instruction.
- the photovoltaic passive tracking system includes: a second rotating mechanism and a photovoltaic tracking bracket;
- the second rotating mechanism is used to obtain the tracking angle adjustment instruction, rotate the photovoltaic tracking support according to the tracking angle adjustment instruction, and adjust the photovoltaic components on the photovoltaic tracking support to the optimal tracking angle.
- the second rotating mechanism has a wireless receiving port.
- the photovoltaic passive tracking system also includes: a wireless receiver;
- the wireless receiver is connected with the second rotating mechanism for obtaining the tracking angle adjustment instruction, and transmitting the tracking angle adjustment instruction to the second rotating mechanism.
- the present invention discloses an angle tracker, an angle tracking method and a photovoltaic tracking system.
- the angle tracker is connected to at least one photovoltaic passive tracking system.
- the angle tracker includes: an angle tracking controller and an angle tracking mechanism , the angle tracking mechanism has a plurality of radiation intensity acquisition units with different installation angles, the angle tracking controller obtains the radiation intensity related parameters collected by each radiation intensity acquisition unit, and converts each radiation intensity except the target radiation intensity acquisition unit In the collection unit, the angle of the radiation intensity collection unit whose radiation intensity-related parameters meet the preset threshold conditions is determined as the optimal tracking angle, and the angle of the target radiation intensity collection unit is adjusted to the optimal tracking angle.
- the photovoltaic passive tracking system The tracking angle can be adjusted according to the tracking angle adjustment command sent by the angle tracker.
- the present invention determines the optimal tracking angle by real-time monitoring of radiation intensity-related parameters collected by radiation intensity acquisition units with different installation angles. The whole process does not require clock chips and execution of astronomical algorithms, so errors caused by inaccurate time can be effectively avoided. meet the application requirements.
- Fig. 1 is a schematic structural diagram of an angle tracker disclosed in an embodiment of the present invention
- Fig. 2 is a schematic structural diagram of another angle tracker disclosed by an embodiment of the present invention.
- Fig. 3 is a flow chart of an angle tracking method disclosed in an embodiment of the present invention.
- FIG. 4 is a flowchart of a method for determining an optimal tracking angle disclosed in an embodiment of the present invention
- Fig. 5 is a state of an angle tracker disclosed in an embodiment of the present invention, which calculates the radiation intensity related parameters of each radiation intensity acquisition unit except the target radiation intensity acquisition unit and the radiation intensity of the target radiation intensity acquisition unit. Flowchart of the method for the difference of intensity-related parameters;
- Fig. 6 is another state based on the angle tracker disclosed in the embodiment of the present invention, which calculates the radiation intensity related parameters of each radiation intensity acquisition unit except the target radiation intensity acquisition unit and the radiation intensity of the target radiation intensity acquisition unit.
- Fig. 7 is a flowchart of a method for adjusting the angle of the target irradiation intensity acquisition unit to the initial operating angle after the angle tracker is switched from the standby state to the operating state disclosed in the embodiment of the present invention
- Fig. 8 is a schematic structural diagram of a photovoltaic tracking system disclosed in an embodiment of the present invention.
- the embodiment of the invention discloses an angle tracker, an angle tracking method, and a photovoltaic tracking system.
- the angle tracker is connected to at least one photovoltaic passive tracking system.
- the angle tracker includes: an angle tracking controller and an angle tracking mechanism, and the angle tracking mechanism has A plurality of irradiation intensity acquisition units with different installation angles, the angle tracking controller obtains the irradiation intensity related parameters collected by each irradiation intensity acquisition unit, and transfers the radiation intensity acquisition units except the target irradiation intensity acquisition unit, The angle of the radiation intensity acquisition unit whose radiation intensity related parameters meet the preset threshold conditions is determined as the optimal tracking angle, and the angle of the target radiation intensity acquisition unit is adjusted to the optimal tracking angle.
- the photovoltaic passive tracking system can The tracking angle adjustment command is sent to adjust the tracking angle.
- the present invention determines the optimal tracking angle by real-time monitoring of radiation intensity-related parameters collected by radiation intensity acquisition units with different installation angles. The whole process does not require clock chips and execution of astronomical algorithms, so errors caused by inaccurate time can be effectively avoided. meet the application requirements.
- a schematic structural diagram of an angle tracker disclosed in an embodiment of the present invention the angle tracker is connected to at least one photovoltaic passive tracking system (not shown in Fig. 1), and the photovoltaic passive tracking system in this embodiment can be based on
- the tracking angle adjustment command sent by the angle tracker is used to adjust the tracking angle.
- the angle tracker includes: an angle track controller 11 and an angle track mechanism 12 .
- the angle tracking mechanism 12 has a plurality of radiation intensity acquisition units with different installation angles, the interval angle between two adjacent radiation intensity acquisition units is m, and the value of m depends on actual needs. For example, m is 1°.
- the angle tracking controller 11 is connected with the angle tracking mechanism 12, and is used to obtain the radiation intensity related parameters collected by each radiation intensity collection unit, and the radiation intensity in each radiation intensity collection unit except the target radiation intensity collection unit
- the angle of the radiation intensity acquisition unit whose relevant parameters meet the preset threshold condition is determined as the optimal tracking angle, and the angle of the target radiation intensity acquisition unit is adjusted to the optimal tracking angle.
- the preset threshold condition is related to the target radiation intensity acquisition unit.
- the target irradiation intensity acquisition unit is: the irradiation intensity acquisition unit whose angle is the same as that of the photovoltaic module in the photovoltaic passive tracking system in each irradiation intensity acquisition unit.
- the radiation intensity collection unit may be a photovoltaic module or a photometer.
- the parameters related to the radiation intensity collected are current or output power.
- the irradiation intensity collection unit is a photometer, the collected irradiation intensity related parameters are irradiation values.
- a in Figure 1 is the target radiation intensity acquisition unit
- B-E are other radiation intensity acquisition units. Since the angle of A is the same as the angle of the photovoltaic module in the photovoltaic passive tracking system, when determining the optimal tracking angular velocity of the system , considering A and B ⁇ E at the same time, in other words, the optimal tracking angle is determined on the basis of the real-time angle of A, therefore, after determining the optimal tracking angle, the angle of A must be adjusted to the optimal tracking angle Angle, in order to ensure the accuracy of the best tracking angle determined again after the subsequent sun azimuth changes.
- the present invention discloses an angle tracker, which is connected to at least one photovoltaic passive tracking system.
- the angle tracker includes: an angle tracking controller 11 and an angle tracking mechanism 12.
- the angle tracking mechanism 12 has multiple The radiation intensity collection units with different installation angles, the angle tracking controller 11 obtains the radiation intensity related parameters collected by each radiation intensity collection unit, and the radiation intensity collection units except the target radiation intensity collection unit, the radiation intensity The angle of the radiation intensity acquisition unit whose intensity-related parameters meet the preset threshold conditions is determined as the optimal tracking angle, and the angle of the target radiation intensity acquisition unit is adjusted to the optimal tracking angle, and the photovoltaic passive tracking system can send The tracking angle adjustment command is used to adjust the tracking angle.
- the present invention determines the optimal tracking angle by real-time monitoring of radiation intensity-related parameters collected by radiation intensity acquisition units with different installation angles. The whole process does not require clock chips and execution of astronomical algorithms, so errors caused by inaccurate time can be effectively avoided. meet the application requirements.
- the present invention does not need to adjust each radiation intensity acquisition unit according to a fixed time, so the tracking accuracy is higher.
- the measured method used in the present invention has wider adaptability, and is also applicable to the scene of double-sided components.
- the present invention monitors parameters related to radiation intensity at different angles in real time based on a single tracking optimal value, and the method is simple and convenient.
- the angle tracking mechanism 12 includes: a first rotating mechanism 121 and a plurality of radiation intensity acquisition units fixedly installed on the first rotating mechanism 121 with different installation angles, and a plurality of radiation intensity acquisition units with different installation angles Refer to A, B, C, D and E in Figure 1 for the radiation intensity acquisition unit.
- the rotation mechanism 121 is used to drive each of the irradiation intensity collection units to rotate synchronously according to the rotation instruction sent by the angle tracking controller 11 .
- the rotating mechanism 121 may be a rotating shaft.
- the angle tracker is wirelessly connected with at least one photovoltaic passive tracking system.
- a wireless transmission interface can be set on the angle tracking controller 11 in the angle tracker, and the optimal tracking angle can be sent through the wireless transmission interface. Wireless transmission to photovoltaic passive tracking system.
- the angle tracker also includes: a wireless transmitter 13;
- the wireless transmitter 13 is connected with the angle tracking controller 11 for wirelessly transmitting the optimal tracking angle output by the angle tracking controller 11 to the photovoltaic passive tracking system.
- the present invention also discloses an angle tracking method.
- FIG. 3 a flow chart of an angle tracking method disclosed in an embodiment of the present invention, the method is applied to the angle tracking controller in the above embodiment, and the angle tracking method includes:
- Step S101 acquiring radiation intensity-related parameters collected by each radiation intensity collection unit.
- the radiation intensity collection unit may be a photovoltaic module or a photometer.
- the parameters related to the radiation intensity collected are current or output power.
- the irradiation intensity collection unit is a photometer, the collected irradiation intensity related parameters are irradiation values.
- Step S102 Determine the angle of the radiation intensity acquisition unit whose radiation intensity related parameters satisfy the preset threshold condition among all radiation intensity acquisition units except the target radiation intensity acquisition unit as the optimal tracking angle.
- the preset threshold condition is related to the target irradiation intensity acquisition unit.
- the optimal tracking angle is jointly determined based on the irradiation intensity related parameters of the target irradiation intensity acquisition unit and the irradiation intensity related parameters of each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit.
- Step S103 adjusting the angle of the target irradiation intensity acquisition unit to an optimal tracking angle.
- the target irradiation intensity acquisition unit is: the irradiation intensity acquisition unit whose angle is the same as that of the photovoltaic module in the photovoltaic passive tracking system in each irradiation intensity acquisition unit.
- the present invention discloses an angle tracking method, which obtains the radiation intensity related parameters collected by each radiation intensity acquisition unit, and transfers the parameters in each radiation intensity acquisition unit except the target radiation intensity acquisition unit. , the angle of the radiation intensity acquisition unit whose radiation intensity related parameters meet the preset threshold conditions is determined as the optimal tracking angle, and the angle of the target radiation intensity acquisition unit is adjusted to the optimal tracking angle, the photovoltaic passive tracking system can be based on the angle
- the tracking angle adjustment command sent by the tracker is used to adjust the tracking angle.
- the present invention determines the optimal tracking angle by real-time monitoring of radiation intensity-related parameters collected by radiation intensity acquisition units with different installation angles. The whole process does not require clock chips and execution of astronomical algorithms, so errors caused by inaccurate time can be effectively avoided. meet the application requirements.
- the present invention does not need to adjust each radiation intensity acquisition unit according to a fixed time, so the tracking accuracy is higher.
- the measured method used in the present invention has wider adaptability, and is also applicable to the scene of double-sided components.
- the present invention monitors parameters related to radiation intensity at different angles in real time based on a single tracking optimal value, and the method is simple and convenient.
- step S102 may specifically include:
- Step S201 based on the state of the angle tracker, calculate the difference between the radiation intensity-related parameters of each radiation intensity collection unit except the target radiation intensity collection unit and the radiation intensity-related parameters of the target radiation intensity collection unit.
- the state of the angle tracker includes: running state and standby state.
- Step S202 determining the angle of the radiation intensity acquisition unit corresponding to the target difference satisfying the difference threshold condition among the differences as the optimal tracking angle.
- the difference threshold condition may be: when the difference is not less than the difference threshold, it is determined that the difference threshold condition is met, and the value of the difference threshold depends on actual needs, which is not limited in the present invention.
- an angle tracker-based state disclosed in the embodiment of the present invention calculates the radiation intensity related parameters of each radiation intensity acquisition unit except the target radiation intensity acquisition unit and the target A flow chart of the method for the difference of the radiation intensity related parameters of the radiation intensity acquisition unit, the method comprising:
- Step S301 judging whether the current state of the angle tracker is the running state or the standby state.
- Step S302 When the angle tracker is in the running state, it is judged whether the parameters related to the radiation intensity collected by all the radiation intensity collection units are lower than the first threshold, and if not, execute the step S303.
- the first threshold When the radiation intensity-related parameter is current, the first threshold may specifically be the current threshold; when the radiation intensity-related parameter is power, the first threshold may specifically be the power threshold; when the radiation intensity-related parameter is the radiation value, The first threshold is an irradiation threshold.
- Step S303 calculating the difference between the radiation intensity-related parameters of each radiation intensity collection unit except the target radiation intensity collection unit and the radiation intensity-related parameters of the target radiation intensity collection unit.
- step S302 judges yes, it also includes:
- Step S304 adjusting the angle of the target irradiation intensity acquisition unit to the standby angle, and switching from the running state to the standby state.
- the specific value of the standby angle is determined according to weather conditions, which is not limited in the present invention.
- another angle tracker-based state disclosed in the embodiment of the present invention calculates the radiation intensity-related parameters of each radiation intensity acquisition unit except the target radiation intensity acquisition unit and A flow chart of the method for the difference of the radiation intensity related parameters of the target radiation intensity acquisition unit, the method comprising:
- Step S401 judging whether the current state of the angle tracker is the running state or the standby state.
- Step S402. When the angle tracker is in the standby state, it is judged whether there is a first radiation intensity acquisition unit in each radiation intensity acquisition unit except the target radiation intensity acquisition unit, and if yes, step S403 is executed.
- the radiation intensity-related parameter of the first radiation collection unit is greater than the second threshold, and the value of the second threshold is determined according to actual needs, which is not limited in the present invention.
- the angle tracker remains in a standby state.
- Step S403 switch from the standby state to the running state, and adjust the angle of the target radiation intensity acquisition unit to the initial running angle.
- Step S404 Calculate the difference between the radiation intensity related parameters of each radiation intensity acquisition unit except the target radiation intensity acquisition unit and the radiation intensity related parameters of the target radiation intensity acquisition unit.
- step S402 may specifically include:
- Step S501 switching from the standby state to the running state.
- Step S502 acquiring the latest radiation intensity related parameters collected by all radiation intensity acquisition units.
- Step S503 judging whether the latest radiation intensity related parameters of each of the radiation intensity acquisition units other than the target radiation intensity acquisition unit has a second radiation intensity exceeding the latest radiation intensity related parameters of the target radiation intensity acquisition unit The acquisition unit, if not, executes step S504.
- Step S504. Determine the angle of the second radiation intensity acquisition unit as the initial operating angle, and adjust the angle of the target irradiation intensity acquisition unit to the initial operating angle.
- step S503 judges yes, the above embodiment may further include:
- Step S505 determining that the target irradiation intensity acquisition unit has been adjusted to an optimal tracking angle.
- the invention monitors in real time the radiation intensity related parameters collected by all the radiation intensity acquisition units to ensure that the radiation intensity related parameters of the target radiation intensity acquisition units are the maximum values.
- the angle at which the intensity-related parameter is the maximum value, and so on, always ensures that the radiation intensity-related parameter of the target radiation intensity acquisition unit is the maximum value.
- the present invention also discloses a photovoltaic tracking system.
- the photovoltaic tracking system includes: the angle tracker 10 shown in Fig. 1 and Fig. 2 and at least one photovoltaic passive tracking system 20, each photovoltaic passive tracking system System 20 is connected to angle tracker 10 .
- each photovoltaic passive tracking system 20 is wirelessly connected with the angle tracker 10 .
- the angle tracker 10 is used to send a tracking angle adjustment command to each photovoltaic passive tracking system 20, and the tracking angle adjustment command carries an optimal tracking angle.
- the photovoltaic passive tracking system 20 is used to obtain a tracking angle adjustment instruction, and adjust the photovoltaic module to an optimal tracking angle according to the tracking angle adjustment instruction.
- each photovoltaic passive tracking system 20 has the same structure.
- Each photovoltaic passive tracking system 20 includes: a second rotating mechanism 21 and a photovoltaic tracking bracket 22 .
- the second rotating mechanism 21 is used to acquire the tracking angle adjustment command sent by the angle tracker 10, and rotate the photovoltaic tracking bracket 22 according to the tracking angle adjustment command, so as to adjust the photovoltaic modules on the photovoltaic tracking bracket 22 to an optimal tracking angle.
- a wireless receiving port can be provided on the second rotating mechanism 21 , or in other words, the second rotating mechanism 21 has a wireless receiving port.
- the photovoltaic passive tracking system 20 may also include: a wireless receiver 23;
- the wireless receiver 23 is connected with the second rotating mechanism 21, and is used to obtain the tracking angle adjustment instruction sent by the angle tracker 10, and transmits the tracking angle adjustment instruction to the second rotating mechanism 21, so that the second rotating mechanism 21 adjusts according to the tracking angle.
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Abstract
一种角度跟踪器、角度跟踪方法及光伏跟踪系统，角度跟踪器与至少一个光伏被动跟踪系统连接，角度跟踪器包括角度跟踪控制器（11）和角度跟踪机构（12），角度跟踪机构（12）具有多个不同安装角度的辐照强度采集单元，角度跟踪控制器（11）获取各个辐照强度采集单元采集的辐照强度相关参数，将除目标辐照强度采集单元以外的各个辐照强度采集单元中，辐照强度相关参数满足预设阈值条件的辐照强度采集单元的角度确定为最佳跟踪角度，并将目标辐照强度采集单元的角度调节至最佳跟踪角度。该系统通过实时监控不同安装角度的辐照强度采集单元采集的辐照强度相关参数确定最佳跟踪角度，无需时钟芯片以及执行天文算法，可有效避免因时间不准确导致的误差。
Description
本申请要求于2021年9月14日提交中国专利局、申请号为202111073727.9、发明名称为“一种角度跟踪器、角度跟踪方法及光伏跟踪系统”的国内申请的优先权，其全部内容通过引用结合在本申请中。
本发明涉及光伏发电技术领域，更具体的说，涉及一种角度跟踪器、角度跟踪方法及光伏跟踪系统。
光伏跟踪系统是一种能够自动跟踪太阳并提高总体发电量的光伏系统。目前，光伏跟踪系统通常以天文算法计算的角度进行视日跟踪。视日跟踪即根据地理信息及时间计算太阳高度角和太阳方位角，进而得到太阳光线在与轴向垂直平面上的投影角度，将投影角度作为光伏组件的最佳跟踪角度。
本发明的发明人通过研究后发现，不同的天气条件如多云、阴天、晴朗下的直射光、散射光、地表发射率对光伏跟踪系统的发电量有较大差异影响。尤其对于背面可以发电的双面组件影响更大。而实际应用中由于不同地区的气象天气会有显著不同，因此，采用时钟芯片和单一的天文算法容易出现因时间不准确导致最终确定的最佳跟踪角度存在一定的误差，不能满足应用需求。
发明内容
有鉴于此，本发明公开一种角度跟踪器、角度跟踪方法及光伏跟踪系统，以实现通过实时监控不同安装角度的辐照强度采集单元采集的辐照强度相关参数，确定最佳跟踪角度，整个过程无需时钟芯片以及执行天文算法，从而有效避免因时间不准确导致的误差，因此可以满足应用需求。
一种角度跟踪器，所述角度跟踪器与至少一个光伏被动跟踪系统连接， 所述角度跟踪器包括：角度跟踪控制器和角度跟踪机构；
所述角度跟踪机构具有多个不同安装角度的辐照强度采集单元；
所述角度跟踪控制器与所述角度跟踪机构连接，用于获取各个所述辐照强度采集单元采集的辐照强度相关参数，将除目标辐照强度采集单元以外的各个所述辐照强度采集单元中，辐照强度相关参数满足预设阈值条件的辐照强度采集单元的角度确定为最佳跟踪角度，并将所述目标辐照强度采集单元的角度调节至所述最佳跟踪角度；
其中，所述预设阈值条件与所述目标辐照强度采集单元相关；
所述目标辐照强度采集单元为：各个所述辐照强度采集单元中角度与所述光伏被动跟踪系统中光伏组件角度相同的辐照强度采集单元。
可选的，所述角度跟踪机构还包括：第一转动机构，所述转动结构上固定安装多个不同安装角度的所述辐照强度采集单元；
所述第一转动机构用于根据所述角度跟踪控制器发送的转动指令，带动各个所述辐照强度采集单元同步转动。
可选的，还包括：无线发射器；
所述无线发射器与所述角度跟踪控制器连接，用于将所述角度跟踪控制器输出的所述最佳跟踪角度无线发射至所述光伏被动跟踪系统。
一种角度跟踪方法，应用于上述所述的角度跟踪器中的角度跟踪控制器，所述角度跟踪方法包括：
获取各个辐照强度采集单元采集的辐照强度相关参数；
将除目标辐照强度采集单元以外的各个所述辐照强度采集单元中，辐照强度相关参数满足预设阈值条件的辐照强度采集单元的角度确定为最佳跟踪角度；
将所述目标辐照强度采集单元的角度调节至所述最佳跟踪角度；
其中，所述预设阈值条件与所述目标辐照强度采集单元相关；
所述目标辐照强度采集单元为：各个所述辐照强度采集单元中角度与光伏被动跟踪系统中光伏组件角度相同的辐照强度采集单元。
可选的，所述将除目标辐照强度采集单元以外的各个所述辐照强度采集单元中，辐照强度相关参数满足预设阈值条件的辐照强度采集单元的角度确定为最佳跟踪角度，具体包括：
基于所述角度跟踪器的状态，计算除所述目标辐照强度采集单元以外的各个所述辐照强度采集单元的辐照强度相关参数与所述目标辐照强度采集单元的辐照强度相关参数的差值；
将各个所述差值中满足差值阈值条件的目标差值对应的辐照强度采集单元的角度确定为所述最佳跟踪角度。
可选的，所述基于所述角度跟踪器的状态，计算除所述目标辐照强度采集单元以外的各个所述辐照强度采集单元的辐照强度相关参数与所述目标辐照强度采集单元的辐照强度相关参数的差值，具体包括：
判断所述角度跟踪器的当前状态为运行状态或待机状态；
当所述角度跟踪器处于所述运行状态时，判断所有的所述辐照强度采集单元采集的辐照强度相关参数是否均低于第一阈值；
如果否，计算除所述目标辐照强度采集单元以外的各个所述辐照强度采集单元的辐照强度相关参数与所述目标辐照强度采集单元的辐照强度相关参数的差值。
可选的，还包括：
如果是，则将所述目标辐照强度采集单元的角度调节至待机角度，并由所述运行状态切换至所述待机状态。
可选的，所述基于所述角度跟踪器的状态，计算除所述目标辐照强度采集单元以外的各个所述辐照强度采集单元的辐照强度相关参数与所述目标辐照强度采集单元的辐照强度相关参数的差值，具体包括：
当所述角度跟踪器处于所述待机状态时，判断除所述目标辐照强度采集单元以外的各个所述辐照强度采集单元中是否存在第一辐照强度采集单元，其中，所述第一辐照采集单元的辐照强度相关参数大于第二阈值；
如果是，则由所述待机状态切换为所述运行状态，并将所述目标辐照强度采集单元的角度调节到初始运行角度；
计算除所述目标辐照强度采集单元以外的各个所述辐照强度采集单元的辐照强度相关参数与所述目标辐照强度采集单元的辐照强度相关参数的差值。
可选的，所述由所述待机状态切换为所述运行状态，并将所述目标辐照强度采集单元的角度调节到初始运行角度，具体包括：
由所述待机状态切换为所述运行状态；
获取所有的所述辐照强度采集单元采集的最新辐照强度相关参数；
判断除所述目标辐照强度采集单元以外的各个所述辐照强度采集单元的最新辐照强度相关参数是否存在超过所述目标辐照强度采集单元的最新辐照强度相关参数的第二辐照强度采集单元；
如果是，则确定所述目标辐照强度采集单元已调节至最佳跟踪角度；
如果否，将所述第二辐照强度采集单元的角度确定为所述初始运行角度，并将所述目标辐照强度采集单元的角度调节至所述初始运行角度。
一种光伏跟踪系统，包括：上述所述的角度跟踪器以及至少一个光伏被动跟踪系统，每个所述光伏被动跟踪系统与所述角度跟踪器连接；
所述角度跟踪器用于向各个所述光伏被动跟踪系统发送跟踪角度调节指令，所述跟踪角度调节指令中携带最佳跟踪角度；
所述光伏被动跟踪系统用于获取所述跟踪角度调节指令，根据所述跟踪角度调节指令将光伏组件调节至所述最佳跟踪角度。
可选的，所述光伏被动跟踪系统包括：第二转动机构和光伏跟踪支架；
所述第二转动机构用于获取所述跟踪角度调节指令，根据所述跟踪角 度调节指令转动所述光伏跟踪支架，将所述光伏跟踪支架上的光伏组件调节至所述最佳跟踪角度。
可选的，所述第二转动机构具有无线接收端口。
可选的，所述光伏被动跟踪系统还包括：无线接收器；
所述无线接收器与所述第二转动机构连接，用于获取所述跟踪角度调节指令，并将所述跟踪角度调节指令传输至所述第二转动机构。
从上述的技术方案可知，本发明公开了一种角度跟踪器、角度跟踪方法及光伏跟踪系统，角度跟踪器与至少一个光伏被动跟踪系统连接，角度跟踪器包括：角度跟踪控制器和角度跟踪机构，角度跟踪机构具有多个不同安装角度的辐照强度采集单元，角度跟踪控制器获取各个辐照强度采集单元采集的辐照强度相关参数，将除目标辐照强度采集单元以外的各个辐照强度采集单元中，辐照强度相关参数满足预设阈值条件的辐照强度采集单元的角度确定为最佳跟踪角度，并将目标辐照强度采集单元的角度调节至最佳跟踪角度，光伏被动跟踪系统能够根据角度跟踪器发送的跟踪角度调节指令进行跟踪角度调节。本发明通过实时监控不同安装角度的辐照强度采集单元采集的辐照强度相关参数，确定最佳跟踪角度，整个过程无需时钟芯片以及执行天文算法，因此可以有效避免因时间不准确导致的误差，满足了应用需求。
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据公开的附图获得其他的附图。
图1为本发明实施例公开的一种角度跟踪器的结构示意图；
图2为本发明实施例公开的另一种角度跟踪器的结构示意图；
图3为本发明实施例公开的一种角度跟踪方法流程图；
图4为本发明实施例公开的一种最佳跟踪角度的确定方法流程图；
图5为本发明实施例公开的一种基于角度跟踪器的状态，计算除目标辐照强度采集单元以外的各个辐照强度采集单元的辐照强度相关参数与目标辐照强度采集单元的辐照强度相关参数的差值的方法流程图；
图6为本发明实施例公开的另一种基于角度跟踪器的状态，计算除目标辐照强度采集单元以外的各个辐照强度采集单元的辐照强度相关参数与目标辐照强度采集单元的辐照强度相关参数的差值的方法流程图；
图7为本发明实施例公开的一种角度跟踪器由待机状态切换为运行状态后，将目标辐照强度采集单元的角度调节到初始运行角度的方法流程图；
图8为本发明实施例公开的一种光伏跟踪系统的结构示意图。
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明实施例公开了一种角度跟踪器、角度跟踪方法及光伏跟踪系统，角度跟踪器与至少一个光伏被动跟踪系统连接，角度跟踪器包括：角度跟踪控制器和角度跟踪机构，角度跟踪机构具有多个不同安装角度的辐照强度采集单元，角度跟踪控制器获取各个辐照强度采集单元采集的辐照强度相关参数，将除目标辐照强度采集单元以外的各个辐照强度采集单元中，辐照强度相关参数满足预设阈值条件的辐照强度采集单元的角度确定为最佳跟踪角度，并将目标辐照强度采集单元的角度调节至最佳跟踪角度，光伏被动跟踪系统能够根据角度跟踪器发送的跟踪角度调节指令进行跟踪角度调节。本发明通过实时监控不同安装角度的辐照强度采集单元采集的辐照强度相关参数，确定最佳跟踪角度，整个过程无需时钟芯片以及执行天文算法，因此可以有效避免因时间不准确导致的误差，满足了应用需求。
参见图1，本发明实施例公开的一种角度跟踪器的结构示意图，角度 跟踪器与至少一个光伏被动跟踪系统(图1中未示出)连接，本实施例中的光伏被动跟踪系统能够根据角度跟踪器发送的跟踪角度调节指令进行跟踪角度调节。
角度跟踪器包括：角度跟踪控制器11和角度跟踪机构12。
其中，角度跟踪机构12具有多个不同安装角度的辐照强度采集单元，相邻的两个辐照强度采集单元之间的间隔角度为m，m的取值依据实际需要而定，比如m为1°。
角度跟踪控制器11与角度跟踪机构12连接，用于获取各个辐照强度采集单元采集的辐照强度相关参数，将除目标辐照强度采集单元以外的各个辐照强度采集单元中，辐照强度相关参数满足预设阈值条件的辐照强度采集单元的角度确定为最佳跟踪角度，并将目标辐照强度采集单元的角度调节至最佳跟踪角度。
其中，预设阈值条件与目标辐照强度采集单元相关。
目标辐照强度采集单元为：各个辐照强度采集单元中角度与光伏被动跟踪系统中光伏组件角度相同的辐照强度采集单元。
在实际应用中，辐照强度采集单元可以为光伏组件或是测光仪，当辐照强度采集单元为光伏组件时，采集的辐照强度相关参数为电流或输出功率等。当辐照强度采集单元为测光仪时，采集的辐照强度相关参数为辐照值。
假设，图1中的A为目标辐照强度采集单元，B～E为其它辐照强度采集单元，由于A的角度与光伏被动跟踪系统中光伏组件角度相同，而在确定系统最佳跟踪角速度时，同时考虑了A和B～E，或者说，最佳跟踪角度是在A的实时角度的基础上确定的，因此，在确定最佳跟踪角度后，还要将A的角度调节至最佳跟踪角度，以便后续太阳方位角发生变化后，保证再次确定的最佳跟踪角度的准确性。
综上可知，本发明公开了一种角度跟踪器，该角度跟踪器与至少一个光伏被动跟踪系统连接，角度跟踪器包括：角度跟踪控制器11和角度跟踪机构12，角度跟踪机构12具有多个不同安装角度的辐照强度采集单元， 角度跟踪控制器11获取各个辐照强度采集单元采集的辐照强度相关参数，将除目标辐照强度采集单元以外的各个辐照强度采集单元中，辐照强度相关参数满足预设阈值条件的辐照强度采集单元的角度确定为最佳跟踪角度，并将目标辐照强度采集单元的角度调节至最佳跟踪角度，光伏被动跟踪系统能够根据角度跟踪器发送的跟踪角度调节指令进行跟踪角度调节。本发明通过实时监控不同安装角度的辐照强度采集单元采集的辐照强度相关参数，确定最佳跟踪角度，整个过程无需时钟芯片以及执行天文算法，因此可以有效避免因时间不准确导致的误差，满足了应用需求。
另外，本发明无需按照固定时刻调整各个辐照强度采集单元，因此，跟踪精度更高。本发明采用的实测发相对于天文算法而言，适应性更广，对于双面组件场景同样适用。
进一步，本发明根据单一跟踪最优值，实时监测不同角度下的辐照强度相关参数，方法简便。
在实际应用中，参见图1所示，角度跟踪机构12包括：第一转动机构121以及第一转动机构121上固定安装的多个不同安装角度的辐照强度采集单元，多个不同安装角度的辐照强度采集单元参见图1中的A、B、C、D和E。
转动机构121用于根据角度跟踪控制器11发送的转动指令，带动各个所述辐照强度采集单元同步转动。
较优的，转动机构121可以为转动轴。
较优的，角度跟踪器与至少一个光伏被动跟踪系统无线连接，在实际应用中，可以在角度跟踪器中的角度跟踪控制器11上设置无线发送接口，通过该无线发送接口将最佳跟踪角度无线发射至光伏被动跟踪系统。
或者，参见图2所示，角度跟踪器还包括：无线发射器13；
无线发射器13与角度跟踪控制器11连接，用于将角度跟踪控制器11输出的最佳跟踪角度无线发射至光伏被动跟踪系统。
与上述实施例相对应，本发明还公开了一种角度跟踪方法。
参见图3，本发明实施例公开的一种角度跟踪方法流程图，该方法应用于上述实施例中的角度跟踪控制器，角度跟踪方法包括：
步骤S101、获取各个辐照强度采集单元采集的辐照强度相关参数。
在实际应用中，辐照强度采集单元可以为光伏组件或是测光仪，当辐照强度采集单元为光伏组件时，采集的辐照强度相关参数为电流或输出功率等。当辐照强度采集单元为测光仪时，采集的辐照强度相关参数为辐照值。
步骤S102、将除目标辐照强度采集单元以外的各个辐照强度采集单元中，辐照强度相关参数满足预设阈值条件的辐照强度采集单元的角度确定为最佳跟踪角度。
本实施例中，预设阈值条件与目标辐照强度采集单元相关。或者说，最佳跟踪角度是基于目标辐照强度采集单元的辐照强度相关参数以及除目标辐照强度采集单元以外的各个辐照强度采集单元的辐照强度相关参数共同确定的。
步骤S103、将目标辐照强度采集单元的角度调节至最佳跟踪角度。
其中，目标辐照强度采集单元为：各个辐照强度采集单元中角度与光伏被动跟踪系统中光伏组件角度相同的辐照强度采集单元。
综上可知，综上可知，本发明公开了一种角度跟踪方法，获取各个辐照强度采集单元采集的辐照强度相关参数，将除目标辐照强度采集单元以外的各个辐照强度采集单元中，辐照强度相关参数满足预设阈值条件的辐照强度采集单元的角度确定为最佳跟踪角度，并将目标辐照强度采集单元的角度调节至最佳跟踪角度，光伏被动跟踪系统能够根据角度跟踪器发送的跟踪角度调节指令进行跟踪角度调节。本发明通过实时监控不同安装角度的辐照强度采集单元采集的辐照强度相关参数，确定最佳跟踪角度，整个过程无需时钟芯片以及执行天文算法，因此可以有效避免因时间不准确导致的误差，满足了应用需求。
另外，本发明无需按照固定时刻调整各个辐照强度采集单元，因此，跟踪精度更高。本发明采用的实测发相对于天文算法而言，适应性更广，对于双面组件场景同样适用。
进一步，本发明根据单一跟踪最优值，实时监测不同角度下的辐照强度相关参数，方法简便。
为进一步优化上述实施例，参见图4，本发明实施例公开的一种最佳跟踪角度的确定方法流程图，也即步骤S102具体可以包括：
步骤S201、基于角度跟踪器的状态，计算除目标辐照强度采集单元以外的各个辐照强度采集单元的辐照强度相关参数与目标辐照强度采集单元的辐照强度相关参数的差值。
其中，角度跟踪器的状态包括：运行状态和待机状态。
步骤S202、将各个差值中满足差值阈值条件的目标差值对应的辐照强度采集单元的角度确定为最佳跟踪角度。
其中，差值阈值条件可以为：当差值不小于差值阈值时，确定满足差值阈值条件，差值阈值的取值依据实际需要而定，本发明在此不做限定。
为进一步优化上述实施例，参见图5，本发明实施例公开的一种基于角度跟踪器的状态，计算除目标辐照强度采集单元以外的各个辐照强度采集单元的辐照强度相关参数与目标辐照强度采集单元的辐照强度相关参数的差值的方法流程图，该方法包括：
步骤S301、判断角度跟踪器的当前状态为运行状态或待机状态。
步骤S302、当角度跟踪器处于运行状态时，判断所有的辐照强度采集单元采集的辐照强度相关参数是否均低于第一阈值，如果否，则执行步骤S303。
当辐照强度相关参数为电流时，第一阈值具体可以为电流阈值；当辐 照强度相关参数为功率时，第一阈值具体可以为功率阈值；当辐照强度相关参数为辐照值时，第一阈值为辐照阈值。
步骤S303、计算除目标辐照强度采集单元以外的各个辐照强度采集单元的辐照强度相关参数与目标辐照强度采集单元的辐照强度相关参数的差值。
为进一步优化上述实施例，在步骤S302判断为是时，还包括：
步骤S304、将目标辐照强度采集单元的角度调节至待机角度，并由运行状态切换至待机状态。
其中，待机角度的具体取值根据天气情况确定，本发明在此不做限定。
为进一步优化上述实施例，参见图6，本发明实施例公开的另一种基于角度跟踪器的状态，计算除目标辐照强度采集单元以外的各个辐照强度采集单元的辐照强度相关参数与目标辐照强度采集单元的辐照强度相关参数的差值的方法流程图，该方法包括：
步骤S401、判断角度跟踪器的当前状态为运行状态或待机状态。
步骤S402、当角度跟踪器处于待机状态时，判断除目标辐照强度采集单元以外的各个辐照强度采集单元中是否存在第一辐照强度采集单元，如果是，则执行步骤S403。
其中，第一辐照采集单元的辐照强度相关参数大于第二阈值，第二阈值的取值依据实际需要而定，本发明在此不做限定。
若不存在第一辐照强度采集单元，则角度跟踪器维持待机状态不变。
步骤S403、由待机状态切换为运行状态，并将目标辐照强度采集单元的角度调节到初始运行角度。
步骤S404、计算除目标辐照强度采集单元以外的各个辐照强度采集单 元的辐照强度相关参数与目标辐照强度采集单元的辐照强度相关参数的差值。
为进一步优化上述实施例，参见图7，本发明实施例公开的一种角度跟踪器由待机状态切换为运行状态后，将目标辐照强度采集单元的角度调节到初始运行角度的方法流程图，也即步骤S402具体可以包括：
步骤S501、由待机状态切换为运行状态。
步骤S502、获取所有的辐照强度采集单元采集的最新辐照强度相关参数。
步骤S503、判断除目标辐照强度采集单元以外的各个所述辐照强度采集单元的最新辐照强度相关参数是否存在超过目标辐照强度采集单元的最新辐照强度相关参数的第二辐照强度采集单元，如果否，则执行步骤S504。
步骤S504、将第二辐照强度采集单元的角度确定为初始运行角度，并将目标辐照强度采集单元的角度调节至初始运行角度。
为进一步优化上述实施例，当步骤S503判断为是时，上述实施例还可以包括：
步骤S505、确定目标辐照强度采集单元已调节至最佳跟踪角度。
本发明实时监控所有辐照强度采集单元采集的辐照强度相关参数，保证目标辐照强度采集单元的辐照强度相关参数为最大值。当目标辐照强度采集单元的辐照强度相关参数不为最大值时，则根据监测到的其他辐照强度采集单元的辐照强度相关参数，将目标辐照强度采集单元的角度调整为辐照强度相关参数为最大值的角度，如此循环，始终保证目标辐照强度采集单元的辐照强度相关参数为最大值。
与上述实施例相对应，本发明还公开了一种光伏跟踪系统。
参见图8，本发明实施例公开的一种光伏跟踪系统的结构示意图，光伏跟踪系统包括：图1和图2所示的角度跟踪器10以及至少一个光伏被动跟踪系统20，每个光伏被动跟踪系统20与角度跟踪器10连接。
较优的，每个光伏被动跟踪系统20与角度跟踪器10无线连接。
其中，角度跟踪器10用于向各个光伏被动跟踪系统20发送跟踪角度调节指令，该跟踪角度调节指令中携带最佳跟踪角度。
光伏被动跟踪系统20用于获取跟踪角度调节指令，根据该跟踪角度调节指令将光伏组件调节至最佳跟踪角度。
本实施例中，各个光伏被动跟踪系统20的结构相同。
每个光伏被动跟踪系统20包括：第二转动机构21和光伏跟踪支架22。
第二转动机构21用于获取角度跟踪器10发送的跟踪角度调节指令，根据跟踪角度调节指令转动光伏跟踪支架22，将光伏跟踪支架22上的光伏组件调节至最佳跟踪角度。
由于角度跟踪器10与光伏被动跟踪系统20之间通过无线连接，因此，在实际应用中，可以在第二转动机构21上设置无线接收端口，或者说，第二转动机构21具有无线接收端口。
或者，如图8所示，在光伏被动跟踪系统20还可以包括：无线接收器23；
无线接收器23与第二转动机构21连接，用于获取角度跟踪器10发送的跟踪角度调节指令，并将跟踪角度调节指令传输至第二转动机构21，使第二转动机构21根据跟踪角度调节指令转动光伏跟踪支架22，将光伏跟踪支架22上的光伏组件调节至最佳跟踪角度。
最后，还需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含， 从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。
Claims (13)
- 一种角度跟踪器，其特征在于，所述角度跟踪器与至少一个光伏被动跟踪系统连接，所述角度跟踪器包括：角度跟踪控制器和角度跟踪机构；所述角度跟踪机构具有多个不同安装角度的辐照强度采集单元；所述角度跟踪控制器与所述角度跟踪机构连接，用于获取各个所述辐照强度采集单元采集的辐照强度相关参数，将除目标辐照强度采集单元以外的各个所述辐照强度采集单元中，辐照强度相关参数满足预设阈值条件的辐照强度采集单元的角度确定为最佳跟踪角度，并将所述目标辐照强度采集单元的角度调节至所述最佳跟踪角度；其中，所述预设阈值条件与所述目标辐照强度采集单元相关；所述目标辐照强度采集单元为：各个所述辐照强度采集单元中角度与所述光伏被动跟踪系统中光伏组件角度相同的辐照强度采集单元。
- 根据权利要求1所述的角度跟踪器，其特征在于，所述角度跟踪机构还包括：第一转动机构，所述转动结构上固定安装多个不同安装角度的所述辐照强度采集单元；所述第一转动机构用于根据所述角度跟踪控制器发送的转动指令，带动各个所述辐照强度采集单元同步转动。
- 根据权利要求1所述的角度跟踪器，其特征在于，还包括：无线发射器；所述无线发射器与所述角度跟踪控制器连接，用于将所述角度跟踪控制器输出的所述最佳跟踪角度无线发射至所述光伏被动跟踪系统。
- 一种角度跟踪方法，其特征在于，应用于权利要求1～3任意一项所述的角度跟踪器中的角度跟踪控制器，所述角度跟踪方法包括：获取各个辐照强度采集单元采集的辐照强度相关参数；将除目标辐照强度采集单元以外的各个所述辐照强度采集单元中，辐 照强度相关参数满足预设阈值条件的辐照强度采集单元的角度确定为最佳跟踪角度；将所述目标辐照强度采集单元的角度调节至所述最佳跟踪角度；其中，所述预设阈值条件与所述目标辐照强度采集单元相关；所述目标辐照强度采集单元为：各个所述辐照强度采集单元中角度与光伏被动跟踪系统中光伏组件角度相同的辐照强度采集单元。
- 根据权利要求4所述的角度跟踪方法，其特征在于，所述将除目标辐照强度采集单元以外的各个所述辐照强度采集单元中，辐照强度相关参数满足预设阈值条件的辐照强度采集单元的角度确定为最佳跟踪角度，具体包括：基于所述角度跟踪器的状态，计算除所述目标辐照强度采集单元以外的各个所述辐照强度采集单元的辐照强度相关参数与所述目标辐照强度采集单元的辐照强度相关参数的差值；将各个所述差值中满足差值阈值条件的目标差值对应的辐照强度采集单元的角度确定为所述最佳跟踪角度。
- 根据权利要求5所述的角度跟踪方法，其特征在于，所述基于所述角度跟踪器的状态，计算除所述目标辐照强度采集单元以外的各个所述辐照强度采集单元的辐照强度相关参数与所述目标辐照强度采集单元的辐照强度相关参数的差值，具体包括：判断所述角度跟踪器的当前状态为运行状态或待机状态；当所述角度跟踪器处于所述运行状态时，判断所有的所述辐照强度采集单元采集的辐照强度相关参数是否均低于第一阈值；如果否，计算除所述目标辐照强度采集单元以外的各个所述辐照强度采集单元的辐照强度相关参数与所述目标辐照强度采集单元的辐照强度相关参数的差值。
- 根据权利要求6所述的角度跟踪方法，其特征在于，还包括：如果是，则将所述目标辐照强度采集单元的角度调节至待机角度，并由所述运行状态切换至所述待机状态。
- 根据权利要求5所述的角度跟踪方法，其特征在于，所述基于所述角度跟踪器的状态，计算除所述目标辐照强度采集单元以外的各个所述辐照强度采集单元的辐照强度相关参数与所述目标辐照强度采集单元的辐照强度相关参数的差值，具体包括：当所述角度跟踪器处于所述待机状态时，判断除所述目标辐照强度采集单元以外的各个所述辐照强度采集单元中是否存在第一辐照强度采集单元，其中，所述第一辐照采集单元的辐照强度相关参数大于第二阈值；如果是，则由所述待机状态切换为所述运行状态，并将所述目标辐照强度采集单元的角度调节到初始运行角度；计算除所述目标辐照强度采集单元以外的各个所述辐照强度采集单元的辐照强度相关参数与所述目标辐照强度采集单元的辐照强度相关参数的差值。
- 根据权利要求8所述的角度跟踪方法，其特征在于，所述由所述待机状态切换为所述运行状态，并将所述目标辐照强度采集单元的角度调节到初始运行角度，具体包括：由所述待机状态切换为所述运行状态；获取所有的所述辐照强度采集单元采集的最新辐照强度相关参数；判断除所述目标辐照强度采集单元以外的各个所述辐照强度采集单元的最新辐照强度相关参数是否存在超过所述目标辐照强度采集单元的最新辐照强度相关参数的第二辐照强度采集单元；如果是，则确定所述目标辐照强度采集单元已调节至最佳跟踪角度；如果否，将所述第二辐照强度采集单元的角度确定为所述初始运行角 度，并将所述目标辐照强度采集单元的角度调节至所述初始运行角度。
- 一种光伏跟踪系统，其特征在于，包括：权利要求1～3任意一项所述的角度跟踪器以及至少一个光伏被动跟踪系统，每个所述光伏被动跟踪系统与所述角度跟踪器连接；所述角度跟踪器用于向各个所述光伏被动跟踪系统发送跟踪角度调节指令，所述跟踪角度调节指令中携带最佳跟踪角度；所述光伏被动跟踪系统用于获取所述跟踪角度调节指令，根据所述跟踪角度调节指令将光伏组件调节至所述最佳跟踪角度。
- 根据权利要求10所述的光伏跟踪系统，其特征在于，所述光伏被动跟踪系统包括：第二转动机构和光伏跟踪支架；所述第二转动机构用于获取所述跟踪角度调节指令，根据所述跟踪角度调节指令转动所述光伏跟踪支架，将所述光伏跟踪支架上的光伏组件调节至所述最佳跟踪角度。
- 根据权利要求11所述的光伏跟踪系统，其特征在于，所述第二转动机构具有无线接收端口。
- 根据权利要求11所述的光伏跟踪系统，其特征在于，所述光伏被动跟踪系统还包括：无线接收器；所述无线接收器与所述第二转动机构连接，用于获取所述跟踪角度调节指令，并将所述跟踪角度调节指令传输至所述第二转动机构。
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| CN113364408A (zh) * | 2021-06-18 | 2021-09-07 | 中国电建集团华东勘测设计研究院有限公司 | 一种光伏跟踪支架阵列运行精度的测量方法和装置 |
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| CN102879089A (zh) * | 2012-10-15 | 2013-01-16 | 广州中晶新能源工程有限公司 | 一种日辐照强度及光伏发电量采集设备 |
| CN104536470B (zh) * | 2015-01-19 | 2017-03-01 | 重庆大学 | 一种大规模光伏板组协调跟踪控制系统 |
| CN104699126B (zh) * | 2015-03-27 | 2018-06-19 | 山东科技大学 | 日光跟踪方法 |
| US11300979B2 (en) * | 2019-09-13 | 2022-04-12 | OMCO Solar, LLC | Solar tracking system and method of operation |
| CN111309057A (zh) * | 2020-03-26 | 2020-06-19 | 杭州帷盛科技有限公司 | 一种自动测定最优跟踪角的传感装置 |
| CN112286232A (zh) * | 2020-08-21 | 2021-01-29 | 天合光能股份有限公司 | 平单轴跟踪系统的跟踪角度优化方法及其跟踪支架 |
| CN112651551A (zh) * | 2020-12-21 | 2021-04-13 | 江苏中信博新能源科技股份有限公司 | 一种光伏电站跟踪预测的方法及系统 |
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| US20180031418A1 (en) * | 2016-07-28 | 2018-02-01 | Amrita Vishwa Vidyapeetham | Solar monitoring system for measuring solar radiation intensity |
| US20190271756A1 (en) * | 2016-07-28 | 2019-09-05 | Amrita Vishwa Vidyapeetham | Solar monitoring system for measuring solar radiation intensity |
| CN109116872A (zh) * | 2018-09-30 | 2019-01-01 | 天合光能股份有限公司 | 一种双面光伏组件跟踪角度的优选方法 |
| CN111273703A (zh) * | 2020-03-24 | 2020-06-12 | 江苏中信博新能源科技股份有限公司 | 一种全方位辐照跟踪方法、检测装置和光伏跟踪器 |
| CN113364408A (zh) * | 2021-06-18 | 2021-09-07 | 中国电建集团华东勘测设计研究院有限公司 | 一种光伏跟踪支架阵列运行精度的测量方法和装置 |
| CN113778139A (zh) * | 2021-09-14 | 2021-12-10 | 阳光新能源开发有限公司 | 一种角度跟踪器、角度跟踪方法及光伏跟踪系统 |
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