CN113778139A - Angle tracker, angle tracking method and photovoltaic tracking system - Google Patents
Angle tracker, angle tracking method and photovoltaic tracking system Download PDFInfo
- Publication number
- CN113778139A CN113778139A CN202111073727.9A CN202111073727A CN113778139A CN 113778139 A CN113778139 A CN 113778139A CN 202111073727 A CN202111073727 A CN 202111073727A CN 113778139 A CN113778139 A CN 113778139A
- Authority
- CN
- China
- Prior art keywords
- irradiation intensity
- angle
- acquisition unit
- tracking
- intensity acquisition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
-
- 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
Abstract
The invention discloses an angle tracker, an angle tracking method and a photovoltaic tracking system, wherein the angle tracker is connected with at least one photovoltaic passive tracking system and comprises an angle tracking controller and an angle tracking mechanism, the angle tracking mechanism is provided with a plurality of irradiation intensity acquisition units with different installation angles, the angle tracking controller acquires irradiation intensity related parameters acquired by each irradiation intensity acquisition unit, the angle of the irradiation intensity acquisition unit, of which the irradiation intensity related parameters meet the preset threshold condition, in each irradiation intensity acquisition unit except a target irradiation intensity acquisition unit is determined as the optimal tracking angle, and the angle of the target irradiation intensity acquisition unit is adjusted to the optimal tracking angle. According to the invention, the optimal tracking angle is determined by monitoring the irradiation intensity related parameters acquired by the irradiation intensity acquisition units with different installation angles in real time, a clock chip and an astronomical algorithm are not required, and errors caused by inaccurate time can be effectively avoided.
Description
Technical Field
The invention relates to the technical field of photovoltaic power generation, in particular to an angle tracker, an angle tracking method and a photovoltaic tracking system.
Background
The photovoltaic tracking system is a photovoltaic system capable of automatically tracking the sun and improving the overall power generation. At present, photovoltaic tracking systems generally perform sun tracking at an angle calculated by an astronomical algorithm. And (4) view-sun tracking, namely calculating a sun altitude angle and a sun azimuth angle according to geographic information and time, further obtaining a projection angle of the sun light on a plane perpendicular to the axial direction, and taking the projection angle as the optimal tracking angle of the photovoltaic module.
After research, the inventor of the invention finds that different weather conditions such as cloudy, cloudy and direct light, scattered light and surface emissivity under clear have great different influences on the power generation amount of a photovoltaic tracking system. Especially for double-sided components, the back of which can generate electricity. In practical application, weather in different areas is obviously different, so that certain errors of the finally determined optimal tracking angle due to inaccurate time are easy to occur by adopting a clock chip and a single astronomical algorithm, and the application requirements cannot be met.
Disclosure of Invention
In view of the above, the invention discloses an angle tracker, an angle tracking method and a photovoltaic tracking system, so as to determine an optimal tracking angle by monitoring irradiation intensity related parameters acquired by irradiation intensity acquisition units at different installation angles in real time, and the whole process does not need a clock chip and an astronomical algorithm, so that errors caused by inaccurate time are effectively avoided, and therefore, application requirements can be met.
An angle tracker, the angle tracker being connected with at least one photovoltaic passive tracking system, the angle tracker comprising: an angle tracking controller and an angle tracking mechanism;
the angle tracking mechanism is provided with a plurality of irradiation intensity acquisition units with different installation angles;
the angle tracking controller is connected with the angle tracking mechanism and is used for acquiring irradiation intensity related parameters acquired by each irradiation intensity acquisition unit, determining the angle of the irradiation intensity acquisition unit of which the irradiation intensity related parameters meet the preset threshold condition in each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit as the optimal tracking angle, and adjusting the angle of the target irradiation intensity acquisition unit to the optimal tracking angle;
wherein the preset threshold condition is associated with the target irradiation intensity acquisition unit;
the target irradiation intensity acquisition unit is as follows: and the irradiation intensity acquisition units with the same angle as the photovoltaic module in the photovoltaic passive tracking system in each irradiation intensity acquisition unit.
Optionally, the angle tracking mechanism further includes: the first rotating mechanism is fixedly provided with a plurality of irradiation intensity acquisition units with different installation angles;
the first rotating mechanism is used for driving each irradiation intensity acquisition unit to rotate synchronously according to a rotating instruction sent by the angle tracking controller.
Optionally, the method further includes: a wireless transmitter;
the wireless transmitter is connected with the angle tracking controller and 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 an angle tracking controller in the angle tracker, the angle tracking method comprising:
acquiring irradiation intensity related parameters acquired by each irradiation intensity acquisition unit;
determining the angle of the irradiation intensity acquisition unit of which the irradiation intensity related parameter meets the preset threshold condition in each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit as the optimal tracking angle;
adjusting the angle of the target irradiation intensity acquisition unit to the optimal tracking angle;
wherein the preset threshold condition is associated with the target irradiation intensity acquisition unit;
the target irradiation intensity acquisition unit is as follows: and the irradiation intensity acquisition units with the same angle as the photovoltaic module in the photovoltaic passive tracking system in each irradiation intensity acquisition unit.
Optionally, determining, as an optimal tracking angle, an angle of an irradiation intensity acquisition unit of which irradiation intensity related parameters satisfy a preset threshold condition in each irradiation intensity acquisition unit except for the target irradiation intensity acquisition unit, specifically includes:
calculating the difference value between the irradiation intensity related parameter of each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit and the irradiation intensity related parameter of the target irradiation intensity acquisition unit based on the state of the angle tracker;
and determining the angle of the irradiation intensity acquisition unit corresponding to the target difference value meeting the difference value threshold condition in the difference values as the optimal tracking angle.
Optionally, the calculating, based on the state of the angle tracker, a difference between the irradiation intensity related parameter of each irradiation intensity acquisition unit except for the target irradiation intensity acquisition unit and the irradiation intensity related parameter of the target irradiation intensity acquisition unit specifically includes:
judging whether the current state of the angle tracker is an operating state or a standby state;
when the angle tracker is in the running state, judging whether all the irradiation intensity related parameters collected by the irradiation intensity collecting units are lower than a first threshold value;
if not, calculating the difference value between the irradiation intensity related parameter of each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit and the irradiation intensity related parameter of the target irradiation intensity acquisition unit.
Optionally, the method further includes:
if yes, adjusting the angle of the target irradiation intensity acquisition unit to a standby angle, and switching the operation state to the standby state.
Optionally, the calculating, based on the state of the angle tracker, a difference between the irradiation intensity related parameter of each irradiation intensity acquisition unit except for the target irradiation intensity acquisition unit and the irradiation intensity related parameter of the target irradiation intensity acquisition unit specifically includes:
when the angle tracker is in the standby state, judging whether a first irradiation intensity acquisition unit exists in each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit, wherein the irradiation intensity related parameter of the first irradiation acquisition unit is larger than a second threshold value;
if so, switching the standby state to the running state, and adjusting the angle of the target irradiation intensity acquisition unit to an initial running angle;
and calculating the difference value of the irradiation intensity related parameter of each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit and the irradiation intensity related parameter of the target irradiation intensity acquisition unit.
Optionally, the switching from the standby state to the operating state and adjusting the angle of the target irradiation intensity collecting unit to an initial operating angle specifically include:
switching from the standby state to the operating state;
acquiring the latest irradiation intensity related parameters acquired by all the irradiation intensity acquisition units;
judging whether the latest irradiation intensity related parameters of all the irradiation intensity acquisition units except the target irradiation intensity acquisition unit exist in a second irradiation intensity acquisition unit exceeding the latest irradiation intensity related parameters of the target irradiation intensity acquisition unit;
if so, determining that the target irradiation intensity acquisition unit is adjusted to the optimal tracking angle;
if not, determining the angle of the second irradiation intensity acquisition unit as the initial operation angle, and adjusting the angle of the target irradiation intensity acquisition unit to the initial operation angle.
A photovoltaic tracking system, comprising: the angle tracker comprises an angle tracker and at least one photovoltaic passive tracking system, wherein each photovoltaic passive tracking system is connected with the angle tracker;
the angle tracker is used for sending tracking angle adjusting instructions to each photovoltaic passive tracking system, and the tracking angle adjusting instructions carry the optimal tracking angle;
the photovoltaic passive tracking system is used for obtaining the tracking angle adjusting instruction and adjusting the photovoltaic module to the optimal tracking angle according to the tracking angle adjusting instruction.
Optionally, the photovoltaic passive tracking system includes: the photovoltaic tracking support is connected with the first rotating mechanism;
the second rotating mechanism is used for obtaining the tracking angle adjusting instruction, rotating the photovoltaic tracking support according to the tracking angle adjusting instruction, and adjusting the photovoltaic assembly on the photovoltaic tracking support to the optimal tracking angle.
Optionally, the second rotating mechanism has a wireless receiving port.
Optionally, the photovoltaic passive tracking system further includes: a wireless receiver;
the wireless receiver is connected with the second rotating mechanism and used for acquiring the tracking angle adjusting instruction and transmitting the tracking angle adjusting instruction to the second rotating mechanism.
From the above technical solution, the present invention discloses an angle tracker, an angle tracking method and a photovoltaic tracking system, wherein the angle tracker is connected to at least one photovoltaic passive tracking system, and the angle tracker comprises: the angle tracking system comprises an angle tracking controller and an angle tracking mechanism, wherein the angle tracking mechanism is provided with a plurality of irradiation intensity acquisition units with different installation angles, the angle tracking controller acquires irradiation intensity related parameters acquired by each irradiation intensity acquisition unit, the angle of the irradiation intensity acquisition unit of which the irradiation intensity related parameters meet the preset threshold condition in each irradiation intensity acquisition unit except a target irradiation intensity acquisition unit is determined as the optimal tracking angle, the angle of the target irradiation intensity acquisition unit is adjusted to the optimal tracking angle, and the photovoltaic passive tracking system can adjust the tracking angle according to a tracking angle adjusting instruction sent by the angle tracker. According to the invention, the optimal tracking angle is determined by monitoring the irradiation intensity related parameters acquired by the irradiation intensity acquisition units with different installation angles in real time, and a clock chip and an astronomical algorithm are not required in the whole process, so that errors caused by inaccurate time can be effectively avoided, and the application requirements are met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the disclosed drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an angle tracker according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another angle tracker according to an embodiment of the present invention;
FIG. 3 is a flowchart of an angle tracking method according to an embodiment of the present invention;
FIG. 4 is a flowchart of a method for determining an optimal tracking angle according to an embodiment of the present invention;
FIG. 5 is a flowchart of a method for calculating a difference between an irradiation intensity-related parameter of each irradiation intensity acquisition unit other than the target irradiation intensity acquisition unit and an irradiation intensity-related parameter of the target irradiation intensity acquisition unit based on a state of an angle tracker according to an embodiment of the present invention;
FIG. 6 is a flowchart of another method for calculating the difference between the irradiation intensity related parameters of the irradiation intensity acquisition units other than the target irradiation intensity acquisition unit and the irradiation intensity related parameters of the target irradiation intensity acquisition unit based on the state of the angle tracker according to the embodiment of the present invention;
fig. 7 is a flowchart of a method for adjusting an angle of a target irradiation intensity acquisition unit to an initial operating angle after an angle tracker is switched from a standby state to an operating state according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a photovoltaic tracking system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses an angle tracker, an angle tracking method and a photovoltaic tracking system, wherein the angle tracker is connected with at least one photovoltaic passive tracking system, and comprises the following components: the angle tracking system comprises an angle tracking controller and an angle tracking mechanism, wherein the angle tracking mechanism is provided with a plurality of irradiation intensity acquisition units with different installation angles, the angle tracking controller acquires irradiation intensity related parameters acquired by each irradiation intensity acquisition unit, the angle of the irradiation intensity acquisition unit of which the irradiation intensity related parameters meet the preset threshold condition in each irradiation intensity acquisition unit except a target irradiation intensity acquisition unit is determined as the optimal tracking angle, the angle of the target irradiation intensity acquisition unit is adjusted to the optimal tracking angle, and the photovoltaic passive tracking system can adjust the tracking angle according to a tracking angle adjusting instruction sent by the angle tracker. According to the invention, the optimal tracking angle is determined by monitoring the irradiation intensity related parameters acquired by the irradiation intensity acquisition units with different installation angles in real time, and a clock chip and an astronomical algorithm are not required in the whole process, so that errors caused by inaccurate time can be effectively avoided, and the application requirements are met.
Referring to fig. 1, the angle tracker disclosed in the embodiment of the present invention is connected to at least one photovoltaic passive tracking system (not shown in fig. 1), and the photovoltaic passive tracking system in the embodiment can adjust a tracking angle according to a tracking angle adjustment command sent by the angle tracker.
The angle tracker includes: an angle tracking controller 11 and an angle tracking mechanism 12.
The angle tracking mechanism 12 has a plurality of irradiation intensity collecting units with different installation angles, an interval angle between two adjacent irradiation intensity collecting units is m, a value of m is determined according to actual needs, for example, m is 1 °.
The angle tracking controller 11 is connected to the angle tracking mechanism 12, and is configured to acquire irradiation intensity related parameters acquired by each irradiation intensity acquisition unit, determine, as an optimal tracking angle, an angle of an irradiation intensity acquisition unit, in each irradiation intensity acquisition unit except for the target irradiation intensity acquisition unit, at which the irradiation intensity related parameters satisfy a preset threshold condition, and adjust the angle of the target irradiation intensity acquisition unit to the optimal tracking angle.
Wherein the preset threshold condition is related to the target irradiation intensity acquisition unit.
The target irradiation intensity acquisition unit is as follows: and the irradiation intensity acquisition units with the same angle as the photovoltaic module in the photovoltaic passive tracking system in each irradiation intensity acquisition unit.
In practical application, the irradiation intensity acquisition unit can be a photovoltaic module or a light meter, and when the irradiation intensity acquisition unit is the photovoltaic module, the acquired irradiation intensity related parameters are current or output power and the like. When the irradiation intensity acquisition unit is a light meter, the acquired irradiation intensity related parameter is an irradiation value.
Supposing that a in fig. 1 is a target irradiation intensity acquisition unit, B to E are other irradiation intensity acquisition units, and since the angle of a is the same as the angle of the photovoltaic module in the photovoltaic passive tracking system, when the optimal tracking angular velocity of the system is determined, a and B to E are considered at the same time, or the optimal tracking angle is determined on the basis of the real-time angle of a, after the optimal tracking angle is determined, the angle of a is adjusted to the optimal tracking angle, so that after the azimuth angle of the sun changes, the accuracy of the re-determined optimal tracking angle is ensured.
In summary, the present invention discloses an angle tracker, which is connected to at least one photovoltaic passive tracking system, the angle tracker comprising: the angle tracking controller 11 acquires irradiation intensity related parameters acquired by each irradiation intensity acquisition unit, the angles of the irradiation intensity acquisition units, of which the irradiation intensity related parameters meet preset threshold conditions, in each irradiation intensity acquisition unit except a target irradiation intensity acquisition unit are determined to be optimal tracking angles, the angles of the target irradiation intensity acquisition units are adjusted to be the optimal tracking angles, and the photovoltaic passive tracking system can adjust the tracking angles according to tracking angle adjusting instructions sent by the angle tracker. According to the invention, the optimal tracking angle is determined by monitoring the irradiation intensity related parameters acquired by the irradiation intensity acquisition units with different installation angles in real time, and a clock chip and an astronomical algorithm are not required in the whole process, so that errors caused by inaccurate time can be effectively avoided, and the application requirements are met.
In addition, each irradiation intensity acquisition unit does not need to be adjusted according to fixed time, so that the tracking precision is higher. Compared with an astronomical algorithm, the actual measurement method adopted by the invention has wider adaptability and is also suitable for double-sided component scenes.
Furthermore, the method monitors the irradiation intensity related parameters under different angles in real time according to the single tracking optimal value, and is simple and convenient.
In practical application, referring to fig. 1, the angle tracking mechanism 12 includes: the first rotating mechanism 121 and a plurality of irradiation intensity collecting units with different installation angles are fixedly installed on the first rotating mechanism 121, and the irradiation intensity collecting units with different installation angles are shown in A, B, C, D and E in fig. 1.
The rotating mechanism 121 is configured to drive each irradiation intensity collecting unit to rotate synchronously according to a rotating instruction sent by the angle tracking controller 11.
Preferably, the rotating mechanism 121 may be a rotating shaft.
Preferably, the angle tracker is wirelessly connected to at least one photovoltaic passive tracking system, and in practical applications, a wireless transmission interface may be provided on the angle tracking controller 11 in the angle tracker, and the optimal tracking angle is wirelessly transmitted to the photovoltaic passive tracking system through the wireless transmission interface.
Alternatively, referring to fig. 2, the angle tracker further includes: a wireless transmitter 13;
the wireless transmitter 13 is connected with the angle tracking controller 11 and is used for wirelessly transmitting the optimal tracking angle output by the angle tracking controller 11 to the photovoltaic passive tracking system.
Corresponding to the embodiment, the invention also discloses an angle tracking method.
Referring to fig. 3, a flowchart of an angle tracking method disclosed in the embodiment of the present invention is applied to the angle tracking controller in the above embodiment, and the angle tracking method includes:
and S101, acquiring irradiation intensity related parameters acquired by each irradiation intensity acquisition unit.
In practical application, the irradiation intensity acquisition unit can be a photovoltaic module or a light meter, and when the irradiation intensity acquisition unit is the photovoltaic module, the acquired irradiation intensity related parameters are current or output power and the like. When the irradiation intensity acquisition unit is a light meter, the acquired irradiation intensity related parameter is an irradiation value.
And S102, determining the angle of the irradiation intensity acquisition unit of which the irradiation intensity related parameter meets the preset threshold condition in all the irradiation intensity acquisition units except the target irradiation intensity acquisition unit as the optimal tracking angle.
In this embodiment, the preset threshold condition is related to the target irradiation intensity acquisition unit. Or, the optimal tracking angle is determined based on the irradiation intensity related parameters of the target irradiation intensity acquisition unit and the irradiation intensity related parameters of the irradiation intensity acquisition units except the target irradiation intensity acquisition unit.
And S103, adjusting the angle of the target irradiation intensity acquisition unit to the optimal tracking angle.
Wherein, the target irradiation intensity acquisition unit is: and the irradiation intensity acquisition units with the same angle as the photovoltaic module in the photovoltaic passive tracking system in each irradiation intensity acquisition unit.
In summary, the invention discloses an angle tracking method, which includes acquiring irradiation intensity related parameters acquired by each irradiation intensity acquisition unit, determining the angle of the irradiation intensity acquisition unit, of which the irradiation intensity related parameters meet the preset threshold condition, of each irradiation intensity acquisition unit except a target irradiation intensity acquisition unit as an optimal tracking angle, adjusting the angle of the target irradiation intensity acquisition unit to the optimal tracking angle, and enabling a photovoltaic passive tracking system to adjust the tracking angle according to a tracking angle adjusting instruction sent by an angle tracker. According to the invention, the optimal tracking angle is determined by monitoring the irradiation intensity related parameters acquired by the irradiation intensity acquisition units with different installation angles in real time, and a clock chip and an astronomical algorithm are not required in the whole process, so that errors caused by inaccurate time can be effectively avoided, and the application requirements are met.
In addition, each irradiation intensity acquisition unit does not need to be adjusted according to fixed time, so that the tracking precision is higher. Compared with an astronomical algorithm, the actual measurement method adopted by the invention has wider adaptability and is also suitable for double-sided component scenes.
Furthermore, the method monitors the irradiation intensity related parameters under different angles in real time according to the single tracking optimal value, and is simple and convenient.
To further optimize the above embodiment, referring to fig. 4, a flowchart of a method for determining an optimal tracking angle disclosed in the embodiment of the present invention, that is, step S102 may specifically include:
step S201, calculating the difference value between the irradiation intensity related parameter of each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit and the irradiation intensity related parameter of the target irradiation intensity acquisition unit based on the state of the angle tracker.
Wherein the state of the angle tracker comprises: an active state and a standby state.
Step S202, determining the angle of the irradiation intensity acquisition unit corresponding to the target difference value meeting the difference threshold condition in all the difference values as the optimal tracking angle.
Wherein, 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 satisfied, and the value of the difference threshold is determined according to the actual requirement, which is not limited herein.
In order to further optimize the above embodiments, referring to fig. 5, a flowchart of a method for calculating a difference between an irradiation intensity related parameter of each irradiation intensity acquisition unit except for a target irradiation intensity acquisition unit and an irradiation intensity related parameter of the target irradiation intensity acquisition unit according to a state of an angle tracker disclosed in an embodiment of the present invention includes:
step S301, judging that the current state of the angle tracker is a running state or a standby state.
Step S302, when the angle tracker is in the running state, judging whether all the irradiation intensity related parameters collected by the irradiation intensity collecting units are lower than a first threshold value, if not, executing step S303.
When the irradiation intensity related parameter is a current, the first threshold may specifically be a current threshold; when the irradiation intensity related parameter is power, the first threshold may specifically be a power threshold; when the irradiation intensity related parameter is an irradiation value, the first threshold value is an irradiation threshold value.
Step S303, calculating the difference value between the irradiation intensity related parameter of each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit and the irradiation intensity related parameter of the target irradiation intensity acquisition unit.
To further optimize the above embodiment, when the step S302 determines yes, the method further includes:
and S304, adjusting the angle of the target irradiation intensity acquisition unit to a standby angle, and switching from the running state to the standby state.
The specific value of the standby angle is determined according to the weather condition, and the invention is not limited herein.
In order to further optimize the above embodiment, referring to fig. 6, another method flowchart for calculating a difference between an irradiation intensity related parameter of each irradiation intensity acquisition unit except for the target irradiation intensity acquisition unit and an irradiation intensity related parameter of the target irradiation intensity acquisition unit based on a state of the angle tracker disclosed in the embodiment of the present invention includes:
step S401, judging the current state of the angle tracker to be a running state or a standby state.
Step S402, when the angle tracker is in a standby state, judging whether a first irradiation intensity acquisition unit exists in each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit, and if so, executing step S403.
The irradiation intensity related parameter of the first irradiation collecting unit is greater than a second threshold, and the value of the second threshold is determined according to actual needs, which is not limited herein.
If the first irradiation intensity acquisition unit does not exist, the angle tracker maintains the standby state unchanged.
And S403, switching the standby state into the running state, and adjusting the angle of the target irradiation intensity acquisition unit to the initial running angle.
Step S404, calculating the difference value between the irradiation intensity related parameter of each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit and the irradiation intensity related parameter of the target irradiation intensity acquisition unit.
In order to further optimize the above embodiment, referring to fig. 7, a flowchart of a method for adjusting an angle of a target irradiation intensity acquisition unit to an initial operation angle after an angle tracker is switched from a standby state to an operation state according to an embodiment of the present invention is disclosed, that is, step S402 may specifically include:
in step S501, the standby state is switched to the operating state.
And step S502, acquiring the latest irradiation intensity related parameters acquired by all the irradiation intensity acquisition units.
Step S503, judging whether the latest irradiation intensity related parameters of all the irradiation intensity acquisition units except the target irradiation intensity acquisition unit have second irradiation intensity acquisition units exceeding the latest irradiation intensity related parameters of the target irradiation intensity acquisition unit, if not, executing step S504.
Step S504, the angle of the second irradiation intensity acquisition unit is determined as an initial operation angle, and the angle of the target irradiation intensity acquisition unit is adjusted to the initial operation angle.
To further optimize the foregoing embodiment, when the determination in step S503 is yes, the foregoing embodiment may further include:
and step S505, determining that the target irradiation intensity acquisition unit is adjusted to the optimal tracking angle.
The invention monitors the irradiation intensity related parameters collected by all the irradiation intensity collecting units in real time and ensures that the irradiation intensity related parameters of the target irradiation intensity collecting units are maximum values. When the irradiation intensity related parameter of the target irradiation intensity acquisition unit is not the maximum value, adjusting the angle of the target irradiation intensity acquisition unit to the angle with the irradiation intensity related parameter being the maximum value according to the monitored irradiation intensity related parameters of other irradiation intensity acquisition units, and repeating the steps to always ensure that the irradiation intensity related parameter of the target irradiation intensity acquisition unit is the maximum value.
Corresponding to the embodiment, the invention also discloses a photovoltaic tracking system.
Referring to fig. 8, an embodiment of the present invention discloses a structural schematic diagram of a photovoltaic tracking system, where the photovoltaic tracking system includes: an angle tracker 10 and at least one photovoltaic passive tracking system 20 shown in fig. 1 and 2, each photovoltaic passive tracking system 20 being connected to the angle tracker 10.
Preferably, each photovoltaic passive tracking system 20 is wirelessly connected to the angle tracker 10.
The angle tracker 10 is configured to send a tracking angle adjustment instruction to each photovoltaic passive tracking system 20, where the tracking angle adjustment instruction carries an optimal tracking angle.
The photovoltaic passive tracking system 20 is configured to obtain a tracking angle adjustment instruction, and adjust the photovoltaic module to an optimal tracking angle according to the tracking angle adjustment instruction.
In this embodiment, the structures of the photovoltaic passive tracking systems 20 are the same.
Each photovoltaic passive tracking system 20 comprises: a second rotating mechanism 21 and a photovoltaic tracking support 22.
The second rotating mechanism 21 is configured to obtain a tracking angle adjustment instruction sent by the angle tracker 10, rotate the photovoltaic tracking support 22 according to the tracking angle adjustment instruction, and adjust the photovoltaic module on the photovoltaic tracking support 22 to an optimal tracking angle.
Due to the fact that the angle tracker 10 and the photovoltaic passive tracking system 20 are connected wirelessly, in practical applications, a wireless receiving port may be provided on the second rotating mechanism 21, or the second rotating mechanism 21 has a wireless receiving port.
Alternatively, as shown in fig. 8, the photovoltaic passive tracking system 20 may further include: a wireless receiver 23;
the wireless receiver 23 is connected to the second rotating mechanism 21, and is configured to obtain a tracking angle adjustment instruction sent by the angle tracker 10, and transmit the tracking angle adjustment instruction to the second rotating mechanism 21, so that the second rotating mechanism 21 rotates the photovoltaic tracking support 22 according to the tracking angle adjustment instruction, and adjusts the photovoltaic module on the photovoltaic tracking support 22 to an optimal tracking angle.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (13)
1. An angle tracker, wherein the angle tracker is connected to at least one photovoltaic passive tracking system, the angle tracker comprising: an angle tracking controller and an angle tracking mechanism;
the angle tracking mechanism is provided with a plurality of irradiation intensity acquisition units with different installation angles;
the angle tracking controller is connected with the angle tracking mechanism and is used for acquiring irradiation intensity related parameters acquired by each irradiation intensity acquisition unit, determining the angle of the irradiation intensity acquisition unit of which the irradiation intensity related parameters meet the preset threshold condition in each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit as the optimal tracking angle, and adjusting the angle of the target irradiation intensity acquisition unit to the optimal tracking angle;
wherein the preset threshold condition is associated with the target irradiation intensity acquisition unit;
the target irradiation intensity acquisition unit is as follows: and the irradiation intensity acquisition units with the same angle as the photovoltaic module in the photovoltaic passive tracking system in each irradiation intensity acquisition unit.
2. The angle tracker of claim 1, wherein the angle tracking mechanism further comprises: the first rotating mechanism is fixedly provided with a plurality of irradiation intensity acquisition units with different installation angles;
the first rotating mechanism is used for driving each irradiation intensity acquisition unit to rotate synchronously according to a rotating instruction sent by the angle tracking controller.
3. The angle tracker according to claim 1, further comprising: a wireless transmitter;
the wireless transmitter is connected with the angle tracking controller and used for wirelessly transmitting the optimal tracking angle output by the angle tracking controller to the photovoltaic passive tracking system.
4. An angle tracking method applied to an angle tracking controller in the angle tracker according to any one of claims 1 to 3, the angle tracking method comprising:
acquiring irradiation intensity related parameters acquired by each irradiation intensity acquisition unit;
determining the angle of the irradiation intensity acquisition unit of which the irradiation intensity related parameter meets the preset threshold condition in each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit as the optimal tracking angle;
adjusting the angle of the target irradiation intensity acquisition unit to the optimal tracking angle;
wherein the preset threshold condition is associated with the target irradiation intensity acquisition unit;
the target irradiation intensity acquisition unit is as follows: and the irradiation intensity acquisition units with the same angle as the photovoltaic module in the photovoltaic passive tracking system in each irradiation intensity acquisition unit.
5. The angle tracking method according to claim 4, wherein the determining, as the optimal tracking angle, the angle of the irradiation intensity acquisition unit whose irradiation intensity related parameter satisfies the preset threshold condition in each of the irradiation intensity acquisition units except the target irradiation intensity acquisition unit specifically comprises:
calculating the difference value between the irradiation intensity related parameter of each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit and the irradiation intensity related parameter of the target irradiation intensity acquisition unit based on the state of the angle tracker;
and determining the angle of the irradiation intensity acquisition unit corresponding to the target difference value meeting the difference value threshold condition in the difference values as the optimal tracking angle.
6. The angle tracking method according to claim 5, wherein the calculating, based on the state of the angle tracker, the difference between the irradiation intensity-related parameter of each of the irradiation intensity acquisition units other than the target irradiation intensity acquisition unit and the irradiation intensity-related parameter of the target irradiation intensity acquisition unit specifically comprises:
judging whether the current state of the angle tracker is an operating state or a standby state;
when the angle tracker is in the running state, judging whether all the irradiation intensity related parameters collected by the irradiation intensity collecting units are lower than a first threshold value;
if not, calculating the difference value between the irradiation intensity related parameter of each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit and the irradiation intensity related parameter of the target irradiation intensity acquisition unit.
7. The angle tracking method of claim 6, further comprising:
if yes, adjusting the angle of the target irradiation intensity acquisition unit to a standby angle, and switching the operation state to the standby state.
8. The angle tracking method according to claim 5, wherein the calculating, based on the state of the angle tracker, the difference between the irradiation intensity-related parameter of each of the irradiation intensity acquisition units other than the target irradiation intensity acquisition unit and the irradiation intensity-related parameter of the target irradiation intensity acquisition unit specifically comprises:
when the angle tracker is in the standby state, judging whether a first irradiation intensity acquisition unit exists in each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit, wherein the irradiation intensity related parameter of the first irradiation acquisition unit is larger than a second threshold value;
if so, switching the standby state to the running state, and adjusting the angle of the target irradiation intensity acquisition unit to an initial running angle;
and calculating the difference value of the irradiation intensity related parameter of each irradiation intensity acquisition unit except the target irradiation intensity acquisition unit and the irradiation intensity related parameter of the target irradiation intensity acquisition unit.
9. The angle tracking method according to claim 8, wherein the switching from the standby state to the operating state and the adjusting of the angle of the target irradiation intensity collecting unit to an initial operating angle specifically include:
switching from the standby state to the operating state;
acquiring the latest irradiation intensity related parameters acquired by all the irradiation intensity acquisition units;
judging whether the latest irradiation intensity related parameters of all the irradiation intensity acquisition units except the target irradiation intensity acquisition unit exist in a second irradiation intensity acquisition unit exceeding the latest irradiation intensity related parameters of the target irradiation intensity acquisition unit;
if so, determining that the target irradiation intensity acquisition unit is adjusted to the optimal tracking angle;
if not, determining the angle of the second irradiation intensity acquisition unit as the initial operation angle, and adjusting the angle of the target irradiation intensity acquisition unit to the initial operation angle.
10. A photovoltaic tracking system, comprising: the angle tracker of any one of claims 1 to 3 and at least one photovoltaic passive tracking system, each said photovoltaic passive tracking system being connected to said angle tracker;
the angle tracker is used for sending tracking angle adjusting instructions to each photovoltaic passive tracking system, and the tracking angle adjusting instructions carry the optimal tracking angle;
the photovoltaic passive tracking system is used for obtaining the tracking angle adjusting instruction and adjusting the photovoltaic module to the optimal tracking angle according to the tracking angle adjusting instruction.
11. The photovoltaic tracking system of claim 10, wherein the photovoltaic passive tracking system comprises: the photovoltaic tracking support is connected with the first rotating mechanism;
the second rotating mechanism is used for obtaining the tracking angle adjusting instruction, rotating the photovoltaic tracking support according to the tracking angle adjusting instruction, and adjusting the photovoltaic assembly on the photovoltaic tracking support to the optimal tracking angle.
12. The photovoltaic tracking system of claim 11, wherein the second rotation mechanism has a wireless receiving port.
13. The photovoltaic tracking system of claim 11, further comprising: a wireless receiver;
the wireless receiver is connected with the second rotating mechanism and used for acquiring the tracking angle adjusting instruction and transmitting the tracking angle adjusting instruction to the second rotating mechanism.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111073727.9A CN113778139A (en) | 2021-09-14 | 2021-09-14 | Angle tracker, angle tracking method and photovoltaic tracking system |
| PCT/CN2022/089492 WO2023040277A1 (en) | 2021-09-14 | 2022-04-27 | Angle tracker, angle tracking method, and photovoltaic tracking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111073727.9A CN113778139A (en) | 2021-09-14 | 2021-09-14 | Angle tracker, angle tracking method and photovoltaic tracking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113778139A true CN113778139A (en) | 2021-12-10 |
Family
ID=78843460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111073727.9A Pending CN113778139A (en) | 2021-09-14 | 2021-09-14 | Angle tracker, angle tracking method and photovoltaic tracking system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113778139A (en) |
| WO (1) | WO2023040277A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023040277A1 (en) * | 2021-09-14 | 2023-03-23 | 阳光新能源开发股份有限公司 | Angle tracker, angle tracking method, and photovoltaic tracking system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879089A (en) * | 2012-10-15 | 2013-01-16 | 广州中晶新能源工程有限公司 | Solar irradiation intensity and photovoltaic power generation capacity acquiring equipment |
| CN104536470A (en) * | 2015-01-19 | 2015-04-22 | 重庆大学 | Coordinated tracking control system for large-scale photovoltaic panel group |
| CN104699126A (en) * | 2015-03-27 | 2015-06-10 | 山东科技大学 | Sun direction detection device for photovoltaic system and sunlight tracking method |
| CN111273703A (en) * | 2020-03-24 | 2020-06-12 | 江苏中信博新能源科技股份有限公司 | Omnibearing irradiation tracking method, detection device and photovoltaic tracker |
| CN111309057A (en) * | 2020-03-26 | 2020-06-19 | 杭州帷盛科技有限公司 | Sensing device for automatically measuring optimal tracking angle |
| CN112286232A (en) * | 2020-08-21 | 2021-01-29 | 天合光能股份有限公司 | Tracking angle optimization method of flat single-axis tracking system and tracking support thereof |
| US20210080980A1 (en) * | 2019-09-13 | 2021-03-18 | OMCO Solar, LLC | Solar tracking system and method of operation |
| CN112651551A (en) * | 2020-12-21 | 2021-04-13 | 江苏中信博新能源科技股份有限公司 | Photovoltaic power station tracking prediction method and system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10295404B2 (en) * | 2016-07-28 | 2019-05-21 | Amrita Vishwa Vidyapeetham | Solar monitoring system for measuring solar radiation intensity |
| US10598755B2 (en) * | 2016-07-28 | 2020-03-24 | Amrita Vishwa Vidyapeetham | Solar monitoring system for measuring solar radiation intensity |
| CN109116872A (en) * | 2018-09-30 | 2019-01-01 | 天合光能股份有限公司 | A kind of preferred method of two-sided photovoltaic component tracks angle |
| CN113364408B (en) * | 2021-06-18 | 2023-02-24 | 中国电建集团华东勘测设计研究院有限公司 | Method and device for measuring operation precision of photovoltaic tracking support array |
| CN113778139A (en) * | 2021-09-14 | 2021-12-10 | 阳光新能源开发有限公司 | Angle tracker, angle tracking method and photovoltaic tracking system |
-
2021
- 2021-09-14 CN CN202111073727.9A patent/CN113778139A/en active Pending
-
2022
- 2022-04-27 WO PCT/CN2022/089492 patent/WO2023040277A1/en unknown
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879089A (en) * | 2012-10-15 | 2013-01-16 | 广州中晶新能源工程有限公司 | Solar irradiation intensity and photovoltaic power generation capacity acquiring equipment |
| CN104536470A (en) * | 2015-01-19 | 2015-04-22 | 重庆大学 | Coordinated tracking control system for large-scale photovoltaic panel group |
| CN104699126A (en) * | 2015-03-27 | 2015-06-10 | 山东科技大学 | Sun direction detection device for photovoltaic system and sunlight tracking method |
| US20210080980A1 (en) * | 2019-09-13 | 2021-03-18 | OMCO Solar, LLC | Solar tracking system and method of operation |
| CN111273703A (en) * | 2020-03-24 | 2020-06-12 | 江苏中信博新能源科技股份有限公司 | Omnibearing irradiation tracking method, detection device and photovoltaic tracker |
| CN111309057A (en) * | 2020-03-26 | 2020-06-19 | 杭州帷盛科技有限公司 | Sensing device for automatically measuring optimal tracking angle |
| CN112286232A (en) * | 2020-08-21 | 2021-01-29 | 天合光能股份有限公司 | Tracking angle optimization method of flat single-axis tracking system and tracking support thereof |
| CN112651551A (en) * | 2020-12-21 | 2021-04-13 | 江苏中信博新能源科技股份有限公司 | Photovoltaic power station tracking prediction method and system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023040277A1 (en) * | 2021-09-14 | 2023-03-23 | 阳光新能源开发股份有限公司 | Angle tracker, angle tracking method, and photovoltaic tracking system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023040277A1 (en) | 2023-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11234208B2 (en) | Methods and apparatus for using mobile devices as location anchor points | |
| EP3610681B1 (en) | Power efficient base station | |
| US10601528B2 (en) | Communication terminal and wireless sensor network system | |
| JP2007103713A (en) | Tracking solar light generation system, its control method, and its control program | |
| KR100673484B1 (en) | Location measuring device, system and method using that device | |
| US9794942B1 (en) | System and method for saving energy in a locator apparatus | |
| US20160032897A1 (en) | Determining a yaw direction of a wind turbine | |
| JP5681594B2 (en) | Wireless power operation type equipment | |
| CN113778139A (en) | Angle tracker, angle tracking method and photovoltaic tracking system | |
| WO2018198225A1 (en) | Ai device, laser radar device, and wind farm control system | |
| EP2551683A1 (en) | Data transmission device | |
| JP2017049896A (en) | Radio communication system, radio communication method, and sensor node | |
| US20220128733A1 (en) | Techniques for geolocation and cloud detection with voltage data from solar homes | |
| KR20140133667A (en) | Centralized Control System and Controlling Method for Sun Tracking | |
| JP6346043B2 (en) | Remote monitoring system and observation device | |
| US20210216093A1 (en) | Systems and methods for optimizing solar device operations | |
| JP2017037358A (en) | Observation system, repeating device and observation data reception method | |
| KR101466604B1 (en) | Device and method for detecting trouble of solar cell module | |
| JP6471009B2 (en) | Ground displacement observation system and ground displacement observation method | |
| WO2022057676A1 (en) | Communication method, apparatus, and system | |
| KR101230559B1 (en) | A solar tracking apparatus | |
| RU2450394C1 (en) | System of ac electronic motor control for radar antenna rotation | |
| JP4400267B2 (en) | Radio access network, radio base station, transmission output control method used therefor, and program thereof | |
| JP2015226288A (en) | Communication system, photovoltaic power generation monitoring system, communication method, and computer program | |
| KR20180083570A (en) | Indoor positioning method and system are capable of adjusting ranging cycle in mobile terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: High tech Zone of Hefei city of Anhui Province in 230088 Lake Road No. 2 Applicant after: Sunshine New Energy Development Co.,Ltd. Address before: High tech Zone of Hefei city of Anhui Province in 230088 Lake Road No. 2 Applicant before: Sunshine New Energy Development Co.,Ltd. |
|
| CB02 | Change of applicant information |