CN115693963A - Intelligent assembly - Google Patents
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Abstract
The invention relates to the technical field of power generation, and discloses an intelligent assembly which uploads the state of the intelligent assembly to a system on one hand, so that the monitoring and optimization of a regional string level are realized, and the intelligent assembly has a power generation advantage compared with the monitoring of an assembly level; the intelligent assembly can disconnect the area strings with low power generation efficiency from the circuit according to historical data comparison analysis or external instructions, so that the short board effect among the area strings is effectively avoided; on the other hand, this intelligent component can change the connected mode of regional cluster according to operating condition, and when output voltage was lower, with switching to establishing ties between the regional cluster and improve output voltage, when output current was less, with switching to parallelly connected improvement output current between the regional cluster, when the risk appears in the system and needs to shut down, the output of cutting off every regional cluster, with output voltage fast fall to 0V. In addition, the intelligent component can output the volt-ampere curve of the conventional PV component changing along with illumination and temperature directly at the maximum power point or limit a given power point.
Description
Technical Field
The invention relates to the technical field of power generation, in particular to an intelligent assembly.
Background
Along with the development of modern industry, the human demand for energy sources is more and more, and the problem of environmental pollution is more and more emphasized, so that the human is encouraged to develop new energy development, such as solar energy, biomass energy, wind energy, water energy, geothermal energy and the like, the existing various new energy power generation modes usually adopt independent power generation units to carry out networking after power generation, and then the electric energy of the whole power generation system is networked with commercial power in a transformation mode, and because the power generation system has a short plate effect, the common power generation system can cause the obvious reduction of the power generation power of the whole power generation system because one independent power generation unit is damaged or the power generation power is insufficient, the impact on a power grid is easily caused, and the stability of the whole power grid is damaged;
in the prior art, for example, chinese patent application CN103151793A discloses an intelligent component, which can be applied to a power generation system to monitor an independent power generation unit. The power generation amount of the whole power generation system is influenced because a certain independent power generation unit is damaged or shielded. The traditional junction box corresponding to a certain independent power generation unit is replaced by an intelligent junction box (intelligent assembly), a detection and communication module is added, the detection module is used for measuring the output voltage, the output current and the temperature in the junction box of the solar cell assembly, the communication module uploads the measured data to an intelligent monitor in a power line carrier communication mode, and the intelligent monitor uploads the data to a monitoring website server through a network so as to realize real-time monitoring and management of the independent power generation unit.
However, the existing intelligent component can only monitor and manage a single independent power generation unit, cannot fully control a smaller one-level power generation unit inside the independent power generation unit, and cannot adjust the series-parallel connection relationship between the smaller one-level power generation units according to the damage and actual operation conditions of the smaller one-level power generation unit, and cannot turn off the smaller one-level power generation unit in real time, so that in the single independent power generation unit, the short-board effect is still significant, and the highest power generation efficiency is difficult to obtain.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an intelligent assembly which has the advantages of monitoring and optimizing at a regional series level, balancing the power generation power difference between each independent power generation unit and the like, and solves the problems that the power generation units monitored by the intelligent assembly in the prior art are wide, the control cannot be performed on the smaller power generation units, and the monitored power generation units are difficult to be controlled to the maximum power generation efficiency.
In order to solve the technical problems, the invention provides the following technical scheme:
an intelligent assembly is a component of a power generation system, a plurality of intelligent assemblies are electrically connected with a power supply circuit network of the power generation system, and the power generation output power provided by the intelligent assembly can be adjusted; each intelligent assembly comprises a plurality of area strings and an intelligent junction box, each intelligent assembly comprises at least three area strings, each area string comprises a plurality of independent power generators, the independent power generators in each area string are sequentially connected in series, and the positive electrode and the negative electrode of each area string are introduced into the intelligent junction box; the intelligent junction box and the plurality of area strings are integrally arranged in the intelligent assembly, and the intelligent junction box is electrically connected with a power supply circuit network of a power generation system through a positive bus and a negative bus; the inside all is provided with of intelligence terminal box: the system comprises a regional serial interface, a serial-parallel switching and turning-off module, an SPS power supply module, a communication module, an MCU control module and an MPPT tracking module; in one intelligent assembly, the area string interfaces of the intelligent junction box can be electrically connected with a plurality of area strings respectively, current sent by each area string is connected into the series-parallel connection switching and turning-off module through the corresponding area string interface, the series-parallel connection switching and turning-off module can rectify input current and output currents of different specifications according to the control of the MCU control module, and the series-parallel connection switching and turning-off module can also turn off the area strings in dangerous working conditions; the SPS power supply module can respectively supply power to the series-parallel connection switching and switching-off module, the MCU control module, the MPPT tracking module and the communication module; the MPPT tracking module can respectively control the energy output of each region string and keep the output power of each region string at the maximum value; the MCU control module can acquire the power generation state of each regional string and control the series-parallel switching and turn-off module to adjust the output voltage and current according to the power generation state of each regional string; the communication module can carry out signal connection between intelligent component and the external control terminal, the communication module can upload the running state of each part in the intelligent component to the external control terminal, and the communication module can receive the instruction from the external control terminal, and issue the instruction to MPPT tracking module and MCU control module carry out.
Preferably, each inside the intelligent component, regional cluster includes a plurality of wiring group, and every wiring group all includes positive spliced pole and negative spliced pole, the wiring group with regional quantity of cluster all equals, every regional cluster respectively positive negative pole respectively with one connect the electric connection between the positive spliced pole of wiring group and the negative spliced pole respectively.
Preferably, the communication module and the external control terminal can be connected by signals through one or more of a PLC, a serial port and a WiFi.
Preferably, each regional string is independent, and when a certain regional string is in a dangerous working condition, the series-parallel switching and turning-off module can independently turn off the regional string in the dangerous working condition; when the MCU control module performs operation and statistics according to the acquired power generation state of each region string, a certain region string can be independently turned off according to the operation and statistics result.
Preferably, the MCU control module can determine whether each region string is in a low-light state according to the obtained power generation state of each region, and the MCU control module can connect the region strings in the low-light state in parallel through the series-parallel switching and turn-off module.
Compared with the prior art, the invention provides an intelligent assembly, which has the following beneficial effects:
1. the intelligent assembly can upload the state of the intelligent assembly to the system through the MCU control module and the PLC communication module, so that the monitoring and optimization of the regional string level are realized, the short plate effect inside each independent power generation unit is effectively avoided, and the power generation power of the whole power generation system is effectively improved.
2. This kind of photovoltaic power generation board at intelligence subassembly place integrates between each regional cluster through the series-parallel connection switching and turn-off module, when output voltage is lower, switches over to establishing ties between the regional cluster and improves output voltage, when output current is less, switches over to parallelly connected improvement output current between the regional cluster, can guarantee every photovoltaic power generation board's generating efficiency effectively.
3. This kind of intelligent component, when the dangerous operating mode appears in a certain regional cluster, fall whole intelligent component's output voltage fast for 0 to prevent that the trouble from further expanding, ensure whole power generation system's security.
4. The MPPT tracking module is arranged in the intelligent assembly, a volt-ampere curve of a conventional PV assembly changing along with illumination and temperature is directly output at a maximum power point or a limit given power point, data statistically analyzed by the server are subjected to stage adjustment, and the output power of each area string is kept at the maximum value.
Drawings
FIG. 1 is a schematic diagram of the structure of an intelligent component of the present invention;
FIG. 2 is a schematic view of a photovoltaic panel of the prior art;
FIG. 3 is a schematic structural diagram of the intelligent junction box of the present invention;
FIG. 4 is a schematic circuit diagram of the series-parallel switching and shutdown module according to one embodiment of the present invention;
FIG. 5 is a schematic circuit diagram of the series-parallel switching and turn-off module of the present invention connecting 4 zone strings;
fig. 6 is a second schematic circuit diagram of the series-parallel switching and shutdown module according to 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As described in the background, the present application provides an intelligent component to solve the above technical problems.
The first embodiment is as follows:
an intelligent assembly is a component of a power generation system, a plurality of intelligent assemblies are electrically connected with a power supply circuit network of the power generation system, and the power generation output power provided by the intelligent assembly can be adjusted;
referring to fig. 1, each intelligent component includes a plurality of region strings and an intelligent junction box, each intelligent component includes at least three region strings, each region string includes a plurality of independent power generators therein, the independent power generators in each region string are sequentially connected in series, and the positive electrode and the negative electrode of each region string are introduced into the intelligent junction box; the intelligent junction box is integrally arranged between the intelligent junction box and the plurality of regional strings in the intelligent assembly, and the intelligent junction box is electrically connected with a power supply circuit network of the power generation system through a positive bus and a negative bus;
in this embodiment, the intelligent component is a photovoltaic power generation panel, the area string is formed by connecting a plurality of solar cells in series, all the solar cells of the area string are integrated inside one frame (i.e. all the solar cells of the area string form the photovoltaic power generation panel through the frame), wherein the voltage of each solar cell (independent power generator) is about 0.68V, the total voltage of the common area string is below 80V, the intelligent junction box is arranged on the back of the frame and does not affect the light receiving surface of the solar cell, and the frame surface of the intelligent component is a flat light-transmitting surface, so that the surface dust accumulation of the photovoltaic power generation panel is prevented, and the power generation efficiency is effectively ensured (in actual application, the intelligent component can also be arranged inside a wind turbine of a wind power generation system and inside a turbine of a hydraulic power generation system and is arranged at a position where the normal operation of the wind power generation set or the turbine is not affected);
referring to fig. 3, the intelligent junction box is internally provided with: the system comprises a regional serial interface, a serial-parallel switching and turning-off module, an SPS power supply module, a communication module, an MCU control module and an MPPT tracking module;
in an intelligent assembly, a region string interface of an intelligent junction box can be electrically connected with a plurality of region strings respectively, current sent by each region string is connected into a series-parallel connection switching and turning-off module through a corresponding region string interface, the series-parallel connection switching and turning-off module can rectify input current and output currents of different specifications according to the control of an MCU (microprogrammed control unit) control module (the multiple specifications comprise different voltage and current specifications, the series-parallel connection mode can be adjusted according to actual needs and the number of the actual region strings, and the output voltage and current are limited on a certain fixed numerical value), and the series-parallel connection switching and turning-off module can turn off the region strings in dangerous working conditions;
when abnormal working conditions (such as shielding caused by dust deposition, rain and snow, insulation faults, over-temperature, local damage and the like) occur in a certain regional string, the regional string with the abnormal working conditions can be cut off through a circuit in the series-parallel switching and switching-off module; when dangerous working conditions such as arc discharge, insulation fault and the like occur in the system, the whole intelligent assembly can be completely cut off through the series-parallel switching and the circuit inside the turn-off module, the output voltage of the whole intelligent assembly is rapidly reduced to 0V, and therefore the fault is prevented from being further expanded, and the safety of the whole power generation system is guaranteed.
In an intelligent assembly, the area string interfaces of the intelligent junction box can be electrically connected with a plurality of area strings respectively, current sent by each area string is connected into the series-parallel connection switching and turning-off module through the corresponding area string interface, the series-parallel connection switching and turning-off module can rectify input current and output currents of different specifications according to the control of the MCU control module, and the series-parallel connection switching and turning-off module can turn off the area strings in abnormal working conditions;
the SPS power supply module can respectively supply power to the series-parallel switching and turn-off module, the MCU control module, the MPPT tracking module, and the communication module (wherein, the SPS power supply module is a circuit of a common SPS power supply in the prior art, which is a power supply for controlling the on/off time ratio of a switching tube and maintaining a stable output voltage in the prior art, and is not described herein again);
the MPPT tracking module can respectively control the energy output of each region string, directly output a volt-ampere curve (V-I curve) of a conventional PV assembly changing along with illumination and temperature at a maximum power point or limit a given power point, and keep the output power of each region string at the maximum value;
the MCU control module can acquire the power generation state of each regional string and control the series-parallel switching and turn-off module to adjust the output voltage and current according to the power generation state of each regional string;
the communication module can carry out signal connection between the intelligent assembly and an external control terminal (the external control terminal can be a master stack control center and can also be a handheld control terminal of a maintainer), can upload the running state of each part in the intelligent assembly to the external control terminal, can receive an instruction from the external control terminal, and can issue the instruction to the MPPT tracking module and the MCU control module for execution.
Referring to fig. 2, a conventional photovoltaic panel is generally formed by combining a plurality of solar cells, and in a photovoltaic panel, the plurality of solar cells are sequentially connected in series and then connected to an inverter (the inverter is represented as an ac-dc converter in this application) through a junction box, the conventional photovoltaic panel generally divides the photovoltaic panel into a plurality of region strings, each region string includes a plurality of solar cells, in each region string, the plurality of solar cells are sequentially connected in series, and in each photovoltaic panel, the plurality of region strings are connected by a circuit in one of a series connection, a parallel connection and a series-parallel combination connection, so that when the photovoltaic panel is produced, the generated voltage, current and the like are fixed;
the photovoltaic power generation panel at the intelligent component is characterized in that a plurality of solar cells are sequentially connected in series to form an area string, each area string is electrically connected with a power interface of the intelligent component, each area string is connected to the inside of the intelligent component inside the photovoltaic power generation panel, the area strings are integrated through a series-parallel switching and switching-off module, series-parallel relations among the area strings are selectively changed, specifications of currents output by the series-parallel switching and switching-off module can be effectively controlled, the output currents can be matched with a power grid, the photovoltaic power generation panel is controlled relative to each independent photovoltaic power generation panel in the prior art, pressure on the power grid is further reduced, and power generation efficiency of each photovoltaic power generation panel can be effectively guaranteed.
Referring to fig. 4, a schematic circuit diagram of a series-parallel switching and turn-off module is shown, the series-parallel switching and turn-off module can support series-parallel switching and turn-off between N area strings, and a switch in the diagram can be a semiconductor electronic component capable of serving as a switch, such as a relay, a thyristor, a power transistor (GTR), a gate turn-off thyristor (GTO), a power field effect transistor (MOSFET), an Insulated Gate Bipolar Transistor (IGBT), and the like, when in actual use; in this embodiment, a relay is used as a switch, (in the figure, k denotes a relay, and k denotes n 、k n0 And k n1 N = N +1, where N is a positive integer), in practical use, all switches may adopt single-contact relays (independent switches), k n0 And k n1 May incorporate the use of single-pole double-throw switches, k n 、k n0 And k n1 A double pole double throw switch may be used in combination;
in this embodiment, please refer to fig. 5, where n =3, n =4, that is, the intelligent component in this embodiment includes 4 region strings, and when the MCU control module or the external control terminal sends an instruction to the MCU control module: k at positive terminal when series connection between all region strings is required 11 、k 21 And k 31 Closure, k 10 、k 20 And k 30 Opening, k 1 、k 2 And k 3 Disconnecting the intelligent assembly, so that the 4 area strings are used in series to improve the output voltage of the intelligent assembly; when one area string in the intelligent assembly, such as the area string 3, affects power generation and needs to be disconnected, k is connected in series on the basis of all the area strings 2 Closure, k 21 Disconnecting the power generation circuit to enable the area string 3 to be separated from the power generation circuit, and if the area string 4 influences power generation and needs to be separated, connecting k in series on the basis of all the area strings 30 The power generation circuit is disconnected, so that the area strings 4 are separated from the power generation circuit, the safety of the assembly is ensured, and the power generation of the rest area strings is not influenced;when the system requires all the intelligent components to be connected in parallel, k at the positive end 11 、k 21 And k 31 Opening, k 10 、k 20 And k 30 Closure, k 1 、k 2 And k 3 Closing the intelligent component to enable the 4 areas to be used in series and parallel connection so as to improve the output current of the intelligent component; when the intelligent assembly is required to be turned off (when the intelligent assembly is in a dangerous working condition), k of the positive terminal 11 、k 21 And k 31 Opening, k 10 、k 20 And k 30 Opening, k 1 、k 2 And k 3 And disconnecting, thereby cutting off the output of the entire intelligent component.
Compared with a conventional switching circuit, the series-parallel switching and turn-off module has the advantages that the number of used switches (relays and the like) is small, the using amount of the switches and the complexity of the circuit are effectively reduced, the cost is saved, meanwhile, circuits of all the regional strings are rectified and gathered through the series-parallel switching and turn-off module, the series-parallel relation among the regional strings can be changed through controlling the switches in the series-parallel switching and turn-off module, the generated power of all the regional strings is detected through the MCU control module, the regional strings with low generated power can be turned off, the generated power in the whole photovoltaic power generation panel is prevented from being low due to shielding or damage, the short panel effect is prevented from occurring, the generated power can be turned off and adjusted in different regions, the generated power can be monitored and adjusted from the inside of each photovoltaic power generation panel, the generated power of each photovoltaic power generation panel is guaranteed to be kept at the maximum value, the occurrence of the short panel effect in the whole power generation system can be effectively avoided, and the generated power of the power generation system where the intelligent component is located is improved.
Inside every intelligent component, regional cluster includes a plurality of wiring group, and every wiring group all includes positive connecting post and negative pole spliced pole, and the wiring group equals with the quantity homogeneous phase of regional cluster, and every regional cluster is respectively with the positive connecting post of a wiring group and negative pole between the spliced pole electricity be connected.
The signal connection mode between the communication module and the external control terminal can adopt one or more combinations of PLC, serial ports and WiFi.
Each region string is independent, and when a certain region string is in a dangerous working condition, the series-parallel switching and turning-off module can independently turn off the region string in the dangerous working condition; when dangerous working conditions (such as arc discharge, insulation fault, overcurrent and the like) appear in a certain regional string, the regional string with the dangerous working conditions can be cut off through the circuit inside the series-parallel switching and turn-off module, the whole intelligent assembly can be completely cut off, the output voltage of the whole intelligent assembly is rapidly reduced to 0V, so that the fault is prevented from being further expanded, and the safety of the whole power generation system is guaranteed.
When the MCU control module carries out operation and statistics according to the obtained power generation state of each region string, a certain region string can be independently turned off according to the operation and statistics results.
The intelligent component can acquire voltage and current signals of each regional string through the MCU control module, and upload acquired signals to an external control terminal (server) through the communication module, and the server can count and analyze historical data. Firstly, the MCU control module carries out comparative analysis in real time according to the current, the voltage and the power of each region string to generate a reference curve. Secondly, the reference curve is taken as a main point, and the current area strings are screened by the historical reference curve issued by the auxiliary server. When the difference value of the area strings does not exceed the threshold value 1, the area strings are separated after a period of time delay when the difference value of the area strings exceeds the threshold value 1 and does not exceed the threshold value 2, and the area strings are separated immediately when the difference value of the area strings exceeds the threshold value 2, wherein the threshold values 1 and 2 are adjusted in stages according to data statistically analyzed by a server, such as weather conditions, seasons and regional lighting conditions (wherein the stage adjustment of the threshold values 1 and 2 is adjusted manually according to the data statistically analyzed by the server).
The MCU control module can also judge whether each regional string is in a low-light state according to the acquired power generation state of each region, and the MCU control module can connect the regional strings in the low-light state in parallel through the series-parallel switching and switching-off module.
When a certain regional string is in a low-light condition, the MCU control module can acquire the power generation power of each regional string, judge whether each regional string is in the low-light condition or an abnormal condition, and when the regional string is in the low-light condition, the MCU control module can receive a control instruction sent by an external control terminal from the communication module and perform serial connection, parallel connection or serial-parallel connection switching between the regional strings by controlling the serial-parallel connection switching and switching-off module; when the output voltage is lower, switching the region strings into series connection to improve the output voltage, and when the output current is lower, switching the region strings into parallel connection to improve the output current; for example, when the weather is poor and the light is insufficient, the energy of the area strings is low, and the area strings can be switched to be connected in series to increase the output voltage of the intelligent component and can also be switched to be connected in parallel to increase the output current of the intelligent component;
when the regional strings are in an abnormal condition, the regional strings can be actively switched according to the running state of the regional strings, for example, when a certain regional string is abnormal, the intelligent component can isolate the regional string to avoid the influence of the regional string on power generation, or change the connection mode of the regional string to enable the intelligent component to emit more energy;
wherein, an identification principle of the dim light condition of the MCU control module is as follows: the method comprises the steps of marking an area string with the generated power lower than 30% of the average generated power after peak values and low values are removed, marking the area string with the weak generated power, controlling a series-parallel switching and turn-off module by an MCU control module to turn off the weak generated area string, detecting the generated power of each area string by the MCU control module, turning off the area string with the lower generated power, avoiding the condition that the generated power in the whole photovoltaic power generation board is low due to shielding or damage, and causing short board effects, further carrying out turn-off and power adjustment in different areas, monitoring and adjusting the generated power from the inside of each photovoltaic power generation board, further ensuring that the generated power of each photovoltaic power generation board is kept at the maximum value, effectively avoiding the occurrence of the short board effects in the whole power generation system, and improving the generated power of the power system where the intelligent component is located.
To sum up, the intelligent assembly can be arranged in a power generation system, all regions of the power generation system are connected into the intelligent assembly in series through a plurality of power interfaces, and the circuit connection relationship among the independent power generation branches can be adjusted (series-parallel conversion) according to the respective power generation power of each region string through a series-parallel switching and turn-off module, an MCU control module and a PLC communication module in the intelligent assembly, so that the power output to a power supply circuit network is effectively ensured;
along with the photovoltaic module power and size do bigger and bigger, the user pays more and more attention to high efficiency power generation and high profitability, and the control and optimization of regional cluster level are more important, and intelligent component can upload the state of self to the system through MCU control module and PLC communication module, realizes regional cluster level's control and optimization, and this has the power generation advantage more than the control of subassembly level.
The MCU control module and the PLC communication module are used for monitoring each regional string, the series-parallel switching and turn-off module is effectively controlled, the series-parallel switching and turn-off module is guaranteed, the MCU control module and the PLC communication module can control the power generation power of each regional string according to the operation condition of each regional string, the regional strings with low power generation efficiency are intelligently removed from the existing connection circuit, the short plate effect in each independent power generation unit is effectively avoided, the intelligent assemblies are arranged in each regional string, the power generation power difference between each independent power generation unit is balanced, the short plate effect in the whole power generation system is avoided, the power generation power of the whole power generation system is effectively improved, and meanwhile, the impact of the change of the power generation power of the power generation system on a power grid can be effectively avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An intelligent component, characterized by: the intelligent assemblies are components of a power generation system, a plurality of intelligent assemblies are electrically connected with a power supply circuit network of the power generation system, and the power generation output power provided by the intelligent assemblies can be adjusted;
each intelligent assembly comprises a plurality of area strings and an intelligent junction box, each intelligent assembly comprises at least three area strings, each area string comprises a plurality of independent power generators, the independent power generators in each area string are sequentially connected in series, and the positive electrode and the negative electrode of each area string are introduced into the intelligent junction box;
the intelligent junction box and the plurality of area strings are integrally arranged in the intelligent assembly, and the intelligent junction box is electrically connected with a power supply circuit network of a power generation system through a positive bus and a negative bus;
the inside all is provided with of intelligence terminal box: the system comprises a regional serial interface, a serial-parallel switching and turning-off module, an SPS power supply module, a communication module, an MCU control module and an MPPT tracking module;
in one intelligent assembly, the area string interfaces of the intelligent junction box can be electrically connected with a plurality of area strings respectively, current sent by each area string is connected into the series-parallel connection switching and turning-off module through the corresponding area string interface, the series-parallel connection switching and turning-off module can rectify input current and output currents of different specifications according to the control of the MCU control module, and the series-parallel connection switching and turning-off module can also turn off the area strings in dangerous working conditions;
the SPS power supply module can respectively supply power to the series-parallel connection switching and switching-off module, the MCU control module, the MPPT tracking module and the communication module;
the MPPT tracking module can respectively control the energy output of each region string and keep the output power of each region string at the maximum value;
the MCU control module can acquire the power generation state of each regional string and control the series-parallel switching and switching-off module to adjust the output voltage and current according to the power generation state of each regional string;
the communication module can carry out signal connection between intelligent component and the external control terminal, the communication module can upload the running state of each part in the intelligent component to the external control terminal, and the communication module can receive the instruction from the external control terminal, and issue the instruction to MPPT tracking module and MCU control module carry out.
2. A smart component as claimed in claim 1, wherein: every inside the intelligent component, regional cluster includes a plurality of wiring group, and every wiring group all includes positive spliced pole and negative pole spliced pole, the wiring group with the quantity homogeneous phase of regional cluster equals, every regional cluster respectively positive negative pole respectively with one connect the electricity between the positive spliced pole of wiring group and the negative pole spliced pole.
3. An intelligent component according to claim 1, wherein: the communication module and the external control terminal can be connected in a signal mode by adopting one or more of PLC, serial ports and WiFi.
4. An intelligent component according to claim 1, wherein: each regional string is independent, and when a certain regional string is in a dangerous working condition, the series-parallel switching and turning-off module can independently turn off the regional string in the dangerous working condition;
when the MCU control module performs operation and statistics according to the acquired power generation state of each region string, a certain region string can be independently turned off according to the operation and statistics result.
5. An intelligent component according to claim 1, wherein: the MCU control module can judge whether each regional string is in a low-light state according to the acquired power generation state of each region, and can connect the regional strings in the low-light state in parallel through the series-parallel switching and switching-off module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310007097.8A CN115693963A (en) | 2023-01-04 | 2023-01-04 | Intelligent assembly |
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| CN202310007097.8A CN115693963A (en) | 2023-01-04 | 2023-01-04 | Intelligent assembly |
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