A multi-channel LED dimming control method and system based on energy storage management

Abstract

The application relates to the technical field of LED lighting control, and relates to a multi-path LED dimming control method and system based on energy storage management, which comprises the following steps: confirming a multi-path LED lighting system, confirming a line importance degree and a regulation target power based on an LED route, collecting parameters of a line energy storage unit in the LED route to obtain a state of charge and a battery voltage, confirming an energy storage management strategy based on the line importance degree, the regulation target power, a real-time power demand of the route and estimated available energy, regulating the LED route by using the energy storage management strategy to obtain a regulation line, confirming a regulation deviation degree and an average sampling power based on the regulation line and the regulation target power, confirming a final regulation line based on a correction energy storage strategy and the regulation line, and if the regulation deviation degree is smaller than a deviation threshold, taking the regulation line as the final regulation line. The application can integrate energy storage management and multi-path LED dimming control, thereby improving the stability of a multi-path LED lighting system.

Description

Technical Field

[0001] This invention relates to the field of LED lighting control technology, and in particular to a multi-channel LED dimming control method and system based on energy storage management. Background Technology

[0002] With the rapid development of semiconductor lighting technology, LED light sources have been widely used in general lighting and other fields due to their advantages such as high efficiency, long lifespan, and fast response. In many application scenarios, it is often necessary to independently and precisely adjust the brightness of multiple LED lamps or strings to achieve complex lighting environment creation, zonal lighting management, or dynamic light and shadow effects.

[0003] Currently, the common method for dimming control of multiple LEDs is to use a centralized AC-DC constant voltage power supply or DC bus to power the system, and then use a microcontroller to generate multiple independent pulse width modulation (PWM) signals to drive the constant current driver or switching transistor of each LED for dimming.

[0004] While the above methods can achieve dimming of multiple LEDs, when multiple LEDs are dimmed at high brightness or full power simultaneously, the superimposed instantaneous power peak will directly impact the power supply, forcing the power supply to be designed according to the maximum peak power. Although simply connecting a large capacitor in parallel with the bus can partially absorb ripple, it cannot actively manage energy flow. Therefore, how to integrate energy storage management with multi-LED dimming control to improve the stability of multi-LED lighting systems has become an urgent problem to be solved. Summary of the Invention

[0005] This invention provides a multi-channel LED dimming control method and a computer-readable storage medium based on energy storage management. Its main purpose is to integrate energy storage management with multi-channel LED dimming control, thereby improving the stability of multi-channel LED lighting systems.

[0006] To achieve the above objectives, the present invention provides a multi-channel LED dimming control method based on energy storage management, comprising:

[0007] A multi-channel LED lighting system was identified, which includes multiple LED lines, each of which includes a load line and a line energy storage unit.

[0008] For each of the multiple LED paths in a multi-LED lighting system, perform the following operations:

[0009] The importance of the LED route and the target power for adjustment were determined based on the LED route.

[0010] The status of the load lines in the LED circuit is monitored to obtain the line load power, line voltage and line current;

[0011] Parameters are collected from the line energy storage units in the LED route to obtain the state of charge and battery voltage;

[0012] Based on the line energy storage unit, line load power, line voltage, line current, state of charge and battery voltage in the LED route, the real-time power demand and estimated available energy of the route are determined.

[0013] Based on the importance of the line, the target power for regulation, the real-time power demand of the line, and the estimated available energy, an energy storage management strategy is determined. The energy storage management strategy includes charging control, discharging control, or standby control.

[0014] By utilizing energy storage management strategies to regulate the LED circuit, a regulated circuit is obtained;

[0015] Based on the control line and the control target power, the control deviation and average sampling power are determined.

[0016] Compare the control deviation with the preset deviation threshold. If the control deviation is greater than or equal to the deviation threshold, then a corrected energy storage strategy is determined based on the energy storage management strategy, the control deviation, the average sampling power, and the control target power.

[0017] The final control line was determined based on the revised energy storage strategy and control line.

[0018] If the control deviation is less than the deviation threshold, the control line will be used as the final control line.

[0019] By summarizing the final control lines, multiple final control lines are obtained, enabling multi-channel LED dimming control.

[0020] Optionally, the step of determining the importance of the line and the target power for adjustment based on the LED route includes:

[0021] LED parameters are extracted from the LED circuit to obtain the total number of LEDs, LED distribution density, and LED layout uniformity.

[0022] Scene type identification is performed on the LED route to obtain scene type identifiers;

[0023] The scene weighting coefficients are determined based on the scene type identifier and the preset scene weight mapping table;

[0024] The importance of the circuit is calculated based on the total number of LEDs, the distribution density of LEDs, the uniformity of LED layout, and the scene weighting coefficient.

[0025] The target power of the LED circuit is read to obtain the target power.

[0026] Optionally, the step of extracting LED chip parameters from the LED path to obtain the total number of LED chips, LED chip distribution density, and LED chip layout uniformity includes:

[0027] Count the number of LEDs in the load circuit of the LED circuit to obtain the total number of LEDs;

[0028] The total coverage area of ​​the LED circuit is obtained by measuring the wiring area of ​​the load lines in the LED route.

[0029] Calculate the base distribution density based on the total number of LED beads and the total coverage area of ​​the line;

[0030] The load lines in the LED circuit are divided into multiple unit areas according to a preset unit area.

[0031] The number of LED beads in multiple regions was determined based on multiple unit regions;

[0032] The average number of LEDs and the standard deviation of the number of LEDs were determined based on the number of LEDs in multiple regions. The average number of LEDs is the average number of LEDs in multiple regions, and the standard deviation of the number of LEDs is the standard deviation of the number of LEDs in multiple regions.

[0033] The uniformity of LED layout is calculated based on the average number of LEDs and the standard deviation of the number of LEDs.

[0034] The set of LED position coordinates is determined based on the load line in the LED route. The set of LED position coordinates includes: multiple LED position coordinates, including: the LED position x coordinate and the LED position y coordinate.

[0035] The spatial distribution dispersion of the LED beads was determined based on the set of LED bead position coordinates.

[0036] The LED distribution density is calculated based on the basic distribution density, LED layout uniformity, and LED spatial distribution dispersion. The calculation formula is shown below:

[0037] ;

[0038] in, Indicates the density of LED beads distribution. Represents the basic distribution density. Indicates the uniformity of the LED chip layout. This indicates the spatial dispersion of the LED chips. This represents the preset spatial dispersion weighting coefficient. This represents the preset uniformity compensation coefficient. It represents the natural logarithm.

[0039] Optionally, determining the spatial distribution dispersion of the LEDs based on the set of LED position coordinates includes:

[0040] Extract the first from the set of LED position coordinates The position coordinates of each LED bead and the first The coordinates of each LED bead's position, where... The initial value is 1. The initial value is 1;

[0041] According to the The position coordinates of each LED bead and the first Calculate the nearest distance value based on the position coordinates of each LED bead;

[0042] The neighbor distance values ​​are added to the pre-built set of original distance values ​​to obtain the updated set of distance values;

[0043] make ,Will As The updated distance value set is used as the original distance value set, and the result extracted from the LED position coordinate set is returned. The position coordinates of each LED bead and the first The steps for determining the position coordinates of each LED bead, until... The updated distance value set is used as the first target distance value set, where, This represents the number of LED position coordinates in a set of LED position coordinates.

[0044] make , ,Will As Using the first target distance value set as the original distance value set, the method returns the value extracted from the LED position coordinate set. The position coordinates of each LED bead and the first The steps for determining the position coordinates of each LED bead, until... The first target distance value set is used as the final distance value set, wherein the final distance value set includes: multiple neighboring distance values, wherein the neighboring distance values ​​include: distance value, first index and second index;

[0045] The target proximity distance matrix was determined based on the final set of distance values;

[0046] The total spatial distance is determined based on the target proximity distance matrix;

[0047] Based on the target proximity distance matrix and the sum of spatial distances, a distance probability matrix is ​​determined.

[0048] The spatial distribution dispersion of LED beads is calculated based on the distance probability matrix, using the following formula:

[0049] ;

[0050] in, This indicates the spatial dispersion of the LED chips. This indicates the position of the distance probability value matrix at the nth position. Line 1 The distance probability value of the column. Represents the natural logarithm. This represents the preset zero-constant.

[0051] Optionally, the process of determining the real-time power demand and estimated available energy of the LED route based on the line energy storage unit, line load power, line voltage, line current, state of charge, and battery voltage includes:

[0052] The apparent power of the line is determined based on the line voltage and the line current, where the apparent power of the line is the product of the line voltage and the line current.

[0053] Compare the line apparent power with the line load power. If the line apparent power is greater than the line load power, then calculate the line reactive power based on the line apparent power and the line load power.

[0054] If the apparent power of the line is less than or equal to the line load power, the preset zero value will be used as the reactive power of the line.

[0055] Obtain the rated voltage of the line, and calculate the real-time power demand of the line based on the rated voltage, line load power, line reactive power and line voltage;

[0056] The estimated available energy is determined based on the line energy storage unit, state of charge, and battery voltage in the LED route.

[0057] Optionally, the determination of estimated available energy based on the line energy storage unit, state of charge, and battery voltage in the LED route includes:

[0058] Historical charge and discharge records were extracted from the line energy storage units in the LED route to obtain multiple historical charge and discharge cycle data, which include: historical total discharge energy and historical total charge energy.

[0059] For each historical charge-discharge cycle in multiple historical charge-discharge cycle data sets, perform the following operation:

[0060] The cycle efficiency was determined based on the historical total discharge energy and historical total charge energy in the historical charge-discharge cycle data.

[0061] Summarize the loop efficiency to obtain multiple loop efficiencies;

[0062] The average cycle efficiency is determined based on multiple cycle efficiencies, where the average cycle efficiency is the average of multiple cycle efficiencies;

[0063] The rated capacity of the battery was determined based on the line energy storage unit in the LED route.

[0064] The available energy is estimated based on the average cycle efficiency, battery rated capacity, state of charge, and battery voltage.

[0065] Optionally, the energy storage management strategy determined based on line importance, target power control, real-time power demand of the line, and estimated available energy includes:

[0066] The power deviation value is calculated based on the control target power and the real-time power demand of the route. The power deviation value is the control target power minus the real-time power demand of the route.

[0067] A comprehensive dispatch score is calculated based on line importance, power deviation, and estimated available energy.

[0068] The comprehensive scheduling score is compared with a preset first threshold and a preset second threshold, wherein the first threshold is greater than the second threshold;

[0069] If the comprehensive scheduling score is greater than the first threshold, the preset discharge control will be used as the energy storage management strategy.

[0070] If the overall scheduling score is less than the second threshold, the preset charging control will be used as the energy storage management strategy.

[0071] If the comprehensive scheduling score is greater than or equal to the second threshold and less than or equal to the first threshold, then the preset standby control will be used as the energy storage management strategy.

[0072] Optionally, the step of determining the control deviation and average sampling power based on the control circuit and the control target power includes:

[0073] Multiple power samples are taken from the load lines in the control line to obtain multiple sampled power values;

[0074] The average sampling power is determined based on multiple sampling power values, where the average sampling power is the average of the multiple sampling power values;

[0075] The control deviation is calculated based on the average sampling power and the control target power.

[0076] Optionally, the step of determining the corrected energy storage strategy based on the energy storage management strategy, the control deviation, the average sampling power, and the control target power includes:

[0077] The corrected power value is calculated based on the control deviation and the control target power, where the corrected power value is the product of the control deviation and the control target power.

[0078] Compare the average sampled power with the control target power. If the average sampled power is less than the control target power, then the preset positive compensation will be used as the power compensation method.

[0079] If the average sampling power is greater than or equal to the control target power, then the preset reverse compensation will be used as the power compensation method.

[0080] If the energy storage management strategy is discharge control and the power compensation method is positive compensation, then the corrected positive discharge control is determined based on the corrected power value, and the corrected positive discharge control is used as the corrected energy storage strategy.

[0081] If the current energy storage management strategy is discharge control and the power compensation method is reverse compensation, then the corrected reverse discharge control is determined based on the corrected power value, and the corrected reverse discharge control is used as the corrected energy storage strategy.

[0082] If the current energy storage management strategy is charging control and the power compensation method is positive compensation, then the corrected positive charging control is determined based on the corrected power value, and the corrected positive charging control is used as the corrected energy storage strategy.

[0083] If the current energy storage management strategy is charging control and the power compensation method is reverse compensation, then the corrected reverse charging control is determined based on the corrected power value, and the corrected reverse charging control is used as the corrected energy storage strategy.

[0084] If the current energy storage management strategy is standby control and the power compensation method is positive compensation, then the corrected positive discharge control is determined based on the corrected power value, and the corrected positive discharge control is used as the corrected energy storage strategy.

[0085] If the current energy storage management strategy is charging control and the power compensation method is reverse compensation, then the corrected reverse charging control is determined based on the corrected power value, and the corrected reverse charging control is used as the corrected energy storage strategy.

[0086] To achieve the above objectives, the present invention also provides a multi-channel LED dimming control system based on energy storage management, comprising:

[0087] The power control calculation module is used to identify a multi-channel LED lighting system, which includes multiple LED routes, each of which includes a load line and a line energy storage unit. For each LED route in the multi-channel LED lighting system, the following operations are performed: the importance of the line and the target power control are determined based on the LED route.

[0088] The operation parameter acquisition module is used to monitor the status of the load lines in the LED route, obtain the line load power, line voltage and line current, and to acquire parameters of the line energy storage units in the LED route, obtain the state of charge and battery voltage.

[0089] The control line acquisition module is used to determine the real-time power demand and estimated available energy of the LED route based on the line energy storage unit, line load power, line voltage, line current, state of charge and battery voltage. Based on the importance of the line, the control target power, the real-time power demand of the route and the estimated available energy, the energy storage management strategy is determined. The energy storage management strategy is charging control, discharging control or standby control. The LED route is controlled by the energy storage management strategy to obtain the control line.

[0090] The dimming control processing module is used to determine the control deviation and average sampling power based on the control circuit and the control target power. It compares the control deviation with a preset deviation threshold. If the control deviation is greater than or equal to the deviation threshold, it determines a corrected energy storage strategy based on the energy storage management strategy, the control deviation, the average sampling power, and the control target power. It determines the final control circuit based on the corrected energy storage strategy and the control circuit. If the control deviation is less than the deviation threshold, it uses the control circuit as the final control circuit. The final control circuits are then aggregated to obtain multiple final control circuits, thus completing the multi-channel LED dimming control.

[0091] To address the above problems, the present invention also provides an electronic device, the electronic device comprising:

[0092] Memory, storing at least one instruction; and

[0093] The processor executes the instructions stored in the memory to implement the multi-channel LED dimming control method based on energy storage management described above.

[0094] To address the aforementioned problems, the present invention also provides a computer-readable storage medium storing at least one instruction, which is executed by a processor in an electronic device to implement the aforementioned multi-channel LED dimming control method based on energy storage management.

[0095] To address the problems described in the background section, this invention identifies a multi-channel LED lighting system comprising multiple LED routes, each route including a load line and a line energy storage unit. This invention clarifies the overall system structure and control targets, providing a foundation for subsequent independent control of individual routes. Furthermore, for each LED route in the multi-channel LED lighting system, the following operations are performed: the importance of the route and the target power for control are determined based on the LED route. This invention improves the stability of the multi-channel LED lighting system by determining the importance and target power of each route according to its priority in the lighting scenario and the expected brightness requirements. The present invention monitors the status of the load lines in the LED route to obtain the line load power, line voltage, and line current. It is evident that this embodiment of the invention obtains the current actual power consumption status by collecting the operating parameters of the load lines in real time. It also collects parameters of the energy storage units in the LED route to obtain the state of charge and battery voltage. This embodiment of the invention assesses the current energy storage capacity by acquiring the operating parameters of the energy storage units in real time. Based on the line energy storage units, line load power, line voltage, line current, state of charge, and battery voltage in the LED route, the real-time power demand and estimated available energy of the route are determined. This embodiment of the invention calculates the real-time power demand and estimated available energy of the current route by combining the load power consumption data. Based on the importance of the line, the target power for regulation, the real-time power demand of the line, and the estimated available energy, an energy storage management strategy is determined. This strategy includes charging control, discharging control, or standby control. This embodiment of the invention determines which of three control modes the energy storage unit should execute: charging, discharging, or standby, by comprehensively considering the line's importance, the deviation between the target power and the actual power demand, and the estimated available energy. This achieves rational energy allocation. The energy storage management strategy is used to regulate the LED line, resulting in a regulated line. This embodiment of the invention applies the selected energy storage management strategy to the line, adjusting the charging and discharging behavior of the energy storage unit to complete the initial regulation of the line. Based on the regulated line and the target power for regulation, the regulation deviation and average sampling power are determined. As can be seen, this embodiment of the invention improves the stability of multi-channel LED lighting systems by comparing the actual power after regulation with the target power, calculating the degree of deviation, and statistically analyzing the average sampled power over a period of time. It compares the regulation deviation with a preset deviation threshold; if the regulation deviation is greater than or equal to the deviation threshold, a corrected energy storage strategy is determined based on the energy storage management strategy, the regulation deviation, the average sampled power, and the regulation target power. Thus, this embodiment of the invention, by judging the degree of deviation, dynamically adjusts and generates a corrected energy storage strategy based on the current strategy type, deviation direction and magnitude, average sampled power, and target power when the deviation exceeds the tolerance range, in order to narrow the gap between the actual power and the target value. The final regulation circuit is then determined based on the corrected energy storage strategy and the regulation circuit.As can be seen, this embodiment of the invention improves the stability of the multi-channel LED lighting system by reapplying the modified energy storage strategy to the route to obtain the final control result. If the control deviation is less than the deviation threshold, the control route is taken as the final control route. This embodiment of the invention judges the degree of deviation; when the deviation is within the allowable range, the current control effect is maintained, and the initial control route is directly determined as the final result. Multiple final control routes are obtained by summarizing these routes, completing the multi-channel LED dimming control. This embodiment of the invention, by aggregating the final control results of all routes to form a complete dimming control scheme, achieves multi-channel collaborative management and improves the stability of the multi-channel LED lighting system. Therefore, this invention can integrate energy storage management with multi-channel LED dimming control, thereby improving the stability of the multi-channel LED lighting system. Attached Figure Description

[0096] Figure 1 This is a flowchart illustrating a multi-channel LED dimming control method based on energy storage management, provided in an embodiment of the present invention.

[0097] Figure 2 This is a functional block diagram of a multi-channel LED dimming control system based on energy storage management provided in an embodiment of the present invention;

[0098] Figure 3 This is a schematic diagram of the structure of an electronic device that implements the multi-channel LED dimming control method based on energy storage management, according to an embodiment of the present invention.

[0099] Explanation of reference numerals in the attached figures:

[0100] 10. Electronic device; 11. Processor; 12. Memory; 13. Bus.

[0101] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0102] It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0103] This application provides a multi-channel LED dimming control method based on energy storage management. The executing entity of the multi-channel LED dimming control method based on energy storage management includes, but is not limited to, at least one of the following electronic devices that can be configured to execute the method provided in this application embodiment: a server, a terminal, etc. In other words, the multi-channel LED dimming control method based on energy storage management can be executed by software or hardware installed on a terminal device or a server device, and the software can be a blockchain platform. The server includes, but is not limited to, a single server, a server cluster, a cloud server, or a cloud server cluster.

[0104] Reference Figure 1 The diagram shown is a flowchart illustrating a multi-channel LED dimming control method based on energy storage management according to an embodiment of the present invention. In this embodiment, the multi-channel LED dimming control method based on energy storage management includes:

[0105] S1. Identify a multi-channel LED lighting system, which includes multiple LED lines, each of which includes a load line and a line energy storage unit.

[0106] For example, Xiao Zhang is a staff member of a municipal renovation project. He needs to manage the energy storage of multiple independently controllable LED light strings in the streetlights on both sides of the road to achieve dimming control. Therefore, Xiao Zhang identified a multi-channel LED lighting system to facilitate subsequent status monitoring of the multi-channel LED lighting system and thus achieve dimming control.

[0107] It should be explained that the street light is a multi-channel LED lighting system, and the multiple independently controllable LED strings in the street light are multiple LED routes. The LED route includes: load line and line energy storage unit. The LED string is the load line, and the line energy storage unit refers to the energy storage unit connected to the LED string in the street light.

[0108] S2. For each LED route in a multi-LED lighting system, perform the following operations: determine the importance of the route and adjust the target power based on the LED route.

[0109] Specifically, the determination of line importance and target power adjustment based on LED route includes:

[0110] LED parameters are extracted from the LED circuit to obtain the total number of LEDs, LED distribution density, and LED layout uniformity.

[0111] Scene type identification is performed on the LED route to obtain scene type identifiers;

[0112] The scene weighting coefficients are determined based on the scene type identifier and the preset scene weight mapping table;

[0113] The importance of the circuit is calculated based on the total number of LEDs, LED distribution density, LED layout uniformity, and scene weighting coefficient. The calculation formula is as follows:

[0114] ;

[0115] in, Indicates the importance of the line. Indicates the total number of LED beads. This indicates the preset standard number of LED beads. Indicates the density of LED beads distribution. This represents the preset standard distribution density. Indicates the uniformity of the LED chip layout. This represents the preset uniformity reference value. , and These represent the preset first weighting coefficient, the preset second weighting coefficient, and the preset third weighting coefficient, respectively. Indicates the scene weighting coefficient. Represents the hyperbolic tangent function;

[0116] The target power of the LED circuit is read to obtain the target power.

[0117] It should be explained that the scene type identification of the LED route refers to obtaining the location of the LED route, which is the scene type identifier. For example, if the scene type when the LED route is working is along an urban elevated road, the scene type identifier is: along an urban elevated road; if the scene type when the LED route is working is along a residential road, the scene type identifier is: along a residential road. The scene weighting coefficient refers to the weighting coefficient corresponding to the scene type identifier in the scene weight mapping table. The scene weight mapping table is a data table pre-constructed by the staff of the municipal renovation project according to the lighting requirements of different scenes, containing different weighting coefficients corresponding to different scene type identifiers. The target power reading of the LED route refers to reading the power to be reached at the next moment from the operation plan of the LED route. The power to be reached at the next moment is the target power. The operation plan refers to the sequence containing real-time power that is pre-stored when the LED route is installed.

[0118] It should be understood that the line importance reflects the significance of the corresponding LED line in power regulation of the entire multi-LED lighting system. The greater the line importance, the more important the LED line is when power regulation of the entire multi-LED lighting system is required, and the more priority it needs to be regulated. This is because the line importance is calculated based on the total number of LEDs, the LED distribution density, and the uniformity of the LED layout. Among these factors, the larger the total number of LEDs, the wider the physical area covered by the line. The higher the LED distribution density, the stronger the demand for lighting in that section of the road (such as tunnel entrances and exits, curves, and intersections). Degradation will directly threaten the safety of vehicles or pedestrians. The higher the uniformity of the LED layout, the more stringent the lighting quality standards of the line. If power is reduced, the uniformity will deteriorate. The standard number of LED beads, standard distribution density, and uniformity reference values ​​are all set by the municipal renovation project staff based on the product technical manuals provided by the LED circuit manufacturers in the multi-channel LED lighting system. For example, if the product technical manuals provided by the LED circuit manufacturers in the multi-channel LED lighting system record that the standard number of LED beads in the LED circuit is 10, the distribution density of LED beads in the LED circuit is 8 per square centimeter, and the uniformity of LED beads in the LED circuit is 2, then the standard number of LED beads is 10, the standard distribution density is 8 per square centimeter, and the uniformity reference value is 2. The first weighting coefficient, the second weighting coefficient, and the third weighting coefficient are all values ​​manually set by the municipal renovation project staff. Optionally, the first weighting coefficient is 0.2, the second weighting coefficient is 0.4, and the third weighting coefficient is 0.4.

[0119] Specifically, the extraction of LED chip parameters from the LED route to obtain the total number of LED chips, LED chip distribution density, and LED chip layout uniformity includes:

[0120] Count the number of LEDs in the load circuit of the LED circuit to obtain the total number of LEDs;

[0121] The total coverage area of ​​the LED circuit is obtained by measuring the wiring area of ​​the load lines in the LED route.

[0122] The base distribution density is calculated based on the total number of LEDs and the total coverage area of ​​the line, using the following formula:

[0123] ;

[0124] in, Represents the basic distribution density. Indicates the total number of LED beads. Indicates the total coverage area of ​​the line;

[0125] The load lines in the LED circuit are divided into multiple unit areas according to a preset unit area.

[0126] The number of LED beads in multiple regions was determined based on multiple unit regions;

[0127] The average number of LEDs and the standard deviation of the number of LEDs were determined based on the number of LEDs in multiple regions. The average number of LEDs is the average number of LEDs in multiple regions, and the standard deviation of the number of LEDs is the standard deviation of the number of LEDs in multiple regions.

[0128] The uniformity of LED layout is calculated based on the average number of LEDs and the standard deviation of the number of LEDs, using the following formula:

[0129] ;

[0130] in, Indicates the uniformity of the LED chip layout. This represents the standard deviation of the set of LED counts in a region. This represents the average number of LEDs in the set of regions. Represents a predefined, extremely small positive number;

[0131] The set of LED position coordinates is determined based on the load line in the LED route. The set of LED position coordinates includes: multiple LED position coordinates, including: the LED position x coordinate and the LED position y coordinate.

[0132] The spatial distribution dispersion of the LED beads was determined based on the set of LED bead position coordinates.

[0133] The LED distribution density is calculated based on the basic distribution density, LED layout uniformity, and LED spatial distribution dispersion. The calculation formula is shown below:

[0134] ;

[0135] in, Indicates the density of LED beads distribution. Represents the basic distribution density. Indicates the uniformity of the LED chip layout. This indicates the spatial dispersion of the LED chips. This represents the preset spatial dispersion weighting coefficient. This represents the preset uniformity compensation coefficient. It represents the natural logarithm.

[0136] It should be explained that counting the LEDs in the load lines of the LED route refers to counting the number of LEDs in the load lines of the LED route, and this number is the total number of LEDs. Measuring the wiring area of ​​the load lines in the LED route refers to measuring the area of ​​the region where the load lines are located, and this area is the total coverage area of ​​the route. The basic distribution density reflects the density of LEDs on the load lines of the LED route; the higher the basic distribution density, the higher the density of LEDs on the load lines of the LED route, and the more LEDs are on the load lines.

[0137] For example, if the area containing the load line in the LED circuit is a rectangle of 10 cm × 2 cm, and the preset unit area is 1 cm × 2 cm, then dividing the load line in the LED circuit according to the preset unit area can yield 10 1 cm × 2 cm areas. Optionally, the unit area is 1 cm × 2 cm.

[0138] It is understood that determining the number of LEDs in multiple regions based on multiple unit areas means separately counting the number of LEDs in each unit area of ​​the multiple unit areas, and finally summing the number of LEDs in each unit area to obtain the total number of LEDs in multiple regions. The number of LEDs in each unit area is the total number of LEDs in a region. LED layout uniformity reflects the evenness of LED distribution; the greater the uniformity of LED layout, the more even the distribution of LEDs. The minimum positive number is a constant used to prevent division by zero in the denominator; optionally, the minimum positive number is 0.01.

[0139] It should be understood that determining the set of LED position coordinates based on the load line in the LED route means: obtaining the spatial positions of multiple LEDs on the load line in the LED route. The set of LED position coordinates is the set composed of the spatial positions of these multiple LEDs. The coordinates of the spatial positions of the LEDs are the LED position coordinates. The x-coordinate of the LED position refers to the x-coordinate in the LED position coordinates, and the y-coordinate of the LED position refers to the y-coordinate in the LED position coordinates. The LED distribution density refers to the density of LEDs distributed on the load line in the LED route. The higher the LED distribution density, the greater the density of LEDs distributed on the load line in the LED route. The spatial dispersion weighting coefficient and the uniformity compensation coefficient are values ​​manually set by the staff of the municipal renovation project. Optionally, the spatial dispersion weighting coefficient is 0.4, and the uniformity compensation coefficient is 0.6.

[0140] Specifically, determining the spatial distribution dispersion of the LED chips based on the set of LED chip position coordinates includes:

[0141] Extract the first from the set of LED position coordinates The position coordinates of each LED bead and the first The coordinates of each LED bead's position, where... The initial value is 1. The initial value is 1;

[0142] According to the The position coordinates of each LED bead and the first The formula for calculating the nearest distance value based on the position coordinates of each LED is shown below:

[0143] ;

[0144] in, Indicates the nearest neighbor distance value. Indicates the first The x-coordinate of the LED position in the LED position coordinate system. Indicates the first The y-coordinate of the LED position in the LED position coordinate system. Indicates the first The x-coordinate of the LED position in the LED position coordinate system. Indicates the first The y-coordinate of the LED position in the LED position coordinate system;

[0145] The neighbor distance values ​​are added to the pre-built set of original distance values ​​to obtain the updated set of distance values;

[0146] make ,Will As The updated distance value set is used as the original distance value set, and the result extracted from the LED position coordinate set is returned. The position coordinates of each LED bead and the first The steps for determining the position coordinates of each LED bead, until... The updated distance value set is used as the first target distance value set, where, This represents the number of LED position coordinates in a set of LED position coordinates.

[0147] make , ,Will As Using the first target distance value set as the original distance value set, the method returns the value extracted from the LED position coordinate set. The position coordinates of each LED bead and the first The steps for determining the position coordinates of each LED bead, until... The first target distance value set is used as the final distance value set, wherein the final distance value set includes: multiple neighboring distance values, wherein the neighboring distance values ​​include: distance value, first index and second index;

[0148] The target proximity distance matrix was determined based on the final set of distance values;

[0149] The total spatial distance is determined based on the target proximity distance matrix;

[0150] Based on the target proximity distance matrix and the sum of spatial distances, a distance probability matrix is ​​determined.

[0151] The spatial distribution dispersion of LED beads is calculated based on the distance probability matrix, using the following formula:

[0152] ;

[0153] in, This indicates the spatial dispersion of the LED chips. This indicates the position of the distance probability value matrix at the nth position. Line 1 The distance probability value of the column. Represents the natural logarithm. This indicates the preset limiting parameters.

[0154] For example, if the multiple LED position coordinates in the LED position coordinate set are: A1, A2, A3, A4, A5, A6, then the second and third LED position coordinates extracted from the LED position coordinate set are A2 and A3.

[0155] It should be explained that the nearest neighbor value represents the first... The position coordinates of the first LED bead and the first The Euclidean metric between the position coordinates of each LED. The updated distance value set refers to the original distance value set containing neighboring distance values, and the initial state of the original distance value set is an empty set. The target distance value set refers to the set of distances when... The updated distance value set at the current time. The final distance value set refers to the set of distance values ​​updated at the current time. The first set of target distance values, where the distance value refers to the parameter value of the nearest neighbor, and the first index refers to the nearest neighbor value. subscript The numerical value, the second index refers to the nearest neighbor value. subscript The value of the LED spatial distribution dispersion reflects the degree of dispersion of the LED spatial distribution. The greater the dispersion of the LED spatial distribution, the greater the degree of dispersion of the LED spatial distribution. The limiting parameter is a constant used to prevent the independent variable of the natural logarithm from taking zero. It is optional, and the limiting parameter is 1.

[0156] Understandably, the target proximity distance matrix is ​​a... OK A matrix of columns, its first column... Line 1 The elements of the column are those with indices in the final distance value set. The distance values ​​of the nearest neighbors. For example, if the final set of distance values ​​is: , , , Then the target proximity distance matrix is: .

[0157] It should be explained that the total spatial distance refers to the sum of all elements in the target proximity distance matrix. The distance probability matrix is ​​calculated by dividing all elements in the target proximity distance matrix by the total spatial distance. For example, if the target proximity distance matrix is: The total spatial distance is 10. Therefore, the distance probability matrix determined based on the target proximity distance matrix and the total spatial distance is: .

[0158] S3. Monitor the status of the load lines in the LED route to obtain the line load power, line voltage and line current. Collect parameters of the line energy storage units in the LED route to obtain the state of charge and battery voltage.

[0159] It should be explained that the state monitoring of the load lines in the LED route to obtain the line load power, line voltage, and line current refers to using a power acquisition instrument (e.g., a power meter) to acquire the power of the load lines in the LED route, which is the line load power; using a voltage acquisition instrument (e.g., a voltage monitor) to acquire the voltage of the load lines in the LED route, which is the line voltage; and using a current acquisition instrument (e.g., a galvanometer) to acquire the current of the load lines in the LED route, which is the line current.

[0160] It is understood that the parameter acquisition of the line energy storage unit in the LED route to obtain the state of charge and battery voltage refers to reading the battery charge in the line energy storage unit of the LED route and the voltage of the battery pack in the line energy storage unit of the LED route. The battery charge in the line energy storage unit of the LED route is the state of charge, and the voltage of the battery pack in the line energy storage unit of the LED route is the battery voltage.

[0161] S4. Based on the line energy storage unit, line load power, line voltage, line current, state of charge and battery voltage in the LED route, determine the real-time power demand and estimated available energy of the route. Based on the importance of the route, the control target power, the real-time power demand of the route and the estimated available energy, determine the energy storage management strategy, which is charging control, discharging control or standby control.

[0162] Specifically, the method of determining the real-time power demand and estimated available energy of the LED route based on the line energy storage unit, line load power, line voltage, line current, state of charge, and battery voltage includes:

[0163] The apparent power of the line is determined based on the line voltage and the line current, where the apparent power of the line is the product of the line voltage and the line current.

[0164] Compare the line apparent power with the line load power. If the line apparent power is greater than the line load power, then calculate the line reactive power based on the line apparent power and the line load power.

[0165] If the apparent power of the line is less than or equal to the line load power, the preset zero value will be used as the reactive power of the line.

[0166] Obtain the rated voltage of the line, and calculate the real-time power demand of the line based on the rated voltage, line load power, line reactive power, and line voltage. The calculation formula is as follows:

[0167] ;

[0168] in, Indicates the real-time power demand of the route. Indicates the line load power. Indicates the reactive power of the line. This represents the preset reactive current influence coefficient. This represents the preset voltage deviation influence coefficient. Indicates line voltage. Indicates the rated voltage of the line. This indicates taking the absolute value. This represents the preset zero-reduction constant;

[0169] The estimated available energy is determined based on the line energy storage unit, state of charge, and battery voltage in the LED route.

[0170] It should be explained that the reactive power of the line is equal to the square of the apparent power of the line minus the square of the load power of the line, with zero being 0. The voltage deviation of the line voltage is the voltage deviation amount. The rated voltage of the line refers to the rated voltage of the load line in the LED circuit, and this rated voltage can be obtained from the product technical manual provided by the manufacturer of the load line in the LED circuit. The reactive current influence coefficient and the voltage deviation influence coefficient are values ​​set manually by the staff of the municipal renovation project. Optionally, the reactive current influence coefficient is 0.02, and the voltage deviation influence coefficient is 0.05.

[0171] Understandably, the real-time power demand of the route reflects the power demand of the load lines in the LED route. The greater the real-time power demand of the route, the greater the power demand of the load lines in the LED route.

[0172] Specifically, the estimated available energy is determined based on the line energy storage units, state of charge, and battery voltage in the LED route, including:

[0173] Historical charge and discharge records were extracted from the line energy storage units in the LED route to obtain multiple historical charge and discharge cycle data, which include: historical total discharge energy and historical total charge energy.

[0174] For each historical charge-discharge cycle in multiple historical charge-discharge cycle data sets, perform the following operation:

[0175] The cycle efficiency was determined based on the historical total discharge energy and historical total charge energy in the historical charge-discharge cycle data.

[0176] Summarize the loop efficiency to obtain multiple loop efficiencies;

[0177] The average cycle efficiency is determined based on multiple cycle efficiencies, where the average cycle efficiency is the average of multiple cycle efficiencies;

[0178] The rated capacity of the battery was determined based on the line energy storage unit in the LED route.

[0179] The estimated available energy is calculated based on average cycle efficiency, battery rated capacity, state of charge, and battery voltage. The calculation formula is shown below:

[0180] ;

[0181] in, This indicates the estimated available energy. Indicates the state of charge. Indicates battery voltage. Indicates the battery's rated capacity. This represents the average cycle efficiency.

[0182] It should be explained that extracting historical charge / discharge records for the line energy storage units in the LED route refers to extracting the amount of electricity charged and discharged by the battery pack during each charge and discharge cycle from the operation logs of the line energy storage units in the LED route. The amount of electricity charged each time is the total historical charging energy, and the amount of electricity discharged each time is the total historical discharging energy. Cycle efficiency equals the total historical discharging energy in the historical charge / discharge cycle data divided by the total historical charging energy in the historical charge / discharge cycle data. Rated battery capacity refers to the rated capacity of the battery pack in the line energy storage unit of the LED route, and this rated capacity can be obtained from the product technical manual provided by the manufacturer of the battery pack in the line energy storage unit of the LED route. Estimated available energy reflects the estimated electrical energy that the battery pack in the line energy storage unit of the LED route can provide; the higher the estimated available energy, the more electrical energy the battery pack in the line energy storage unit of the LED route is estimated to provide.

[0183] In detail, the energy storage management strategy determined based on line importance, target power control, real-time power demand of the line, and estimated available energy includes:

[0184] The power deviation value is calculated based on the control target power and the real-time power demand of the route. The power deviation value is the control target power minus the real-time power demand of the route.

[0185] The comprehensive dispatch score is calculated based on line importance, power deviation, and estimated available energy, using the following formula:

[0186] ;

[0187] in, Indicates the overall scheduling score. Indicates the power deviation value. This indicates the preset control duration window. This indicates the estimated available energy. Indicates the importance of the line. This indicates the preset adjustment parameters;

[0188] The comprehensive scheduling score is compared with a preset first threshold and a preset second threshold, wherein the first threshold is greater than the second threshold;

[0189] If the comprehensive scheduling score is greater than the first threshold, the preset discharge control will be used as the energy storage management strategy.

[0190] If the overall scheduling score is less than the second threshold, the preset charging control will be used as the energy storage management strategy.

[0191] If the comprehensive scheduling score is greater than or equal to the second threshold and less than or equal to the first threshold, then the preset standby control will be used as the energy storage management strategy.

[0192] It should be explained that the comprehensive dispatch score reflects the urgency of the load line requiring energy storage management; the higher the comprehensive dispatch score, the higher the urgency of the load line requiring energy storage management. The control duration window is a value manually set by the municipal renovation project staff based on the historical average time for controlling the load line. For example, if the historical average time for controlling the load line is 30 seconds, then the control duration window is 30 seconds. The first threshold is a value manually set by the municipal renovation project staff based on the minimum comprehensive dispatch score of the load line requiring discharge control in history. For example, if the historical minimum comprehensive dispatch score of the load line requiring discharge control is 65, then the first threshold is 65. The second threshold is a value manually set by the municipal renovation project staff based on the maximum comprehensive dispatch score of the load line requiring charging control in history. For example, if the historical maximum comprehensive dispatch score of the load line requiring charging control is 45, then the second threshold is 45. The adjustment parameter is used to prevent division by zero in the denominator; optionally, the adjustment parameter is 0.001.

[0193] It should be understood that discharge control refers to the control strategy for charging the battery pack in the line energy storage unit of the LED circuit, charging control refers to the control strategy for discharging the battery pack in the line energy storage unit of the LED circuit, and standby control refers to the control strategy for neither charging nor discharging the battery pack in the line energy storage unit of the LED circuit.

[0194] S5. Utilize energy storage management strategies to regulate the LED circuit, obtain the regulation circuit, and determine the regulation deviation and average sampling power based on the regulation circuit and the target power.

[0195] It should be explained that the regulation of the LED circuit using energy storage management strategies refers to the operation of charging, discharging, or neither charging nor discharging the battery pack in the energy storage unit of the LED circuit using energy storage management strategies. The regulated circuit refers to the LED circuit after regulation.

[0196] Specifically, the determination of the control deviation and average sampling power based on the control circuit and the control target power includes:

[0197] Multiple power samples are taken from the load lines in the control line to obtain multiple sampled power values;

[0198] The average sampling power is determined based on multiple sampling power values, where the average sampling power is the average of the multiple sampling power values;

[0199] The control deviation is calculated based on the average sampling power and the target control power, using the following formula:

[0200] ;

[0201] in, Indicates the degree of control deviation. Indicates the average sampling power. Indicates the target power to be controlled. This indicates taking the absolute value. This represents the preset first division by zero parameter.

[0202] It should be explained that the multiple power sampling of the load line in the control circuit refers to: using a power detection instrument (e.g., a power meter) to repeatedly detect the power of the load line, and the power of the load line is the sampled power value. The control deviation reflects the degree of deviation between the operating state of the load line after control and the control target. The larger the control deviation, the greater the degree of deviation between the operating state of the load line after control and the control target. It should be noted that in the calculation of the control deviation, each parameter is only substituted with numerical values ​​for calculation, and its dimensions are not considered. The first division-by-zero parameter is used to output the parameter that results in the denominator being divided by zero. Optionally, the first division-by-zero parameter is 0.1.

[0203] S6. Compare the control deviation with the preset deviation threshold. If the control deviation is greater than or equal to the deviation threshold, then a corrected energy storage strategy is determined based on the energy storage management strategy, the control deviation, the average sampling power, and the control target power. The final control line is determined based on the corrected energy storage strategy and the control line. If the control deviation is less than the deviation threshold, then the control line is taken as the final control line.

[0204] It should be explained that the deviation threshold is a value set manually by the staff of the municipal renovation project; optionally, the deviation threshold is 0.05. The final control line refers to the control line after the control line has been regulated using a modified energy storage strategy. Furthermore, the method for regulating the control line using the modified energy storage strategy is the same as the method for regulating the LED line using the energy storage management strategy, and will not be repeated here.

[0205] Specifically, the step of determining the corrected energy storage strategy based on the energy storage management strategy, the control deviation, the average sampling power, and the control target power includes:

[0206] The corrected power value is calculated based on the control deviation and the control target power, where the corrected power value is the product of the control deviation and the control target power.

[0207] Compare the average sampled power with the control target power. If the average sampled power is less than the control target power, then the preset positive compensation will be used as the power compensation method.

[0208] If the average sampling power is greater than or equal to the control target power, then the preset reverse compensation will be used as the power compensation method.

[0209] If the energy storage management strategy is discharge control and the power compensation method is positive compensation, then the corrected positive discharge control is determined based on the corrected power value, and the corrected positive discharge control is used as the corrected energy storage strategy.

[0210] If the current energy storage management strategy is discharge control and the power compensation method is reverse compensation, then the corrected reverse discharge control is determined based on the corrected power value, and the corrected reverse discharge control is used as the corrected energy storage strategy.

[0211] If the current energy storage management strategy is charging control and the power compensation method is positive compensation, then the corrected positive charging control is determined based on the corrected power value, and the corrected positive charging control is used as the corrected energy storage strategy.

[0212] If the current energy storage management strategy is charging control and the power compensation method is reverse compensation, then the corrected reverse charging control is determined based on the corrected power value, and the corrected reverse charging control is used as the corrected energy storage strategy.

[0213] If the current energy storage management strategy is standby control and the power compensation method is positive compensation, then the corrected positive discharge control is determined based on the corrected power value, and the corrected positive discharge control is used as the corrected energy storage strategy.

[0214] If the current energy storage management strategy is charging control and the power compensation method is reverse compensation, then the corrected reverse charging control is determined based on the corrected power value, and the corrected reverse charging control is used as the corrected energy storage strategy.

[0215] It should be explained that positive compensation refers to increasing the discharge or charging power of the line energy storage unit, while reverse compensation refers to decreasing the discharge or charging power of the line energy storage unit. Corrected positive discharge control refers to a control method that increases the discharge power of the line energy storage unit based on a corrected power value; corrected reverse discharge control refers to a control method that decreases the discharge power of the line energy storage unit based on a corrected power value; corrected positive charging control refers to a control method that increases the charging power of the line energy storage unit based on a corrected power value; and corrected reverse charging control refers to a control method that decreases the charging power of the line energy storage unit based on a corrected power value.

[0216] S7. Summarize the final control lines to obtain multiple final control lines and complete the multi-channel LED dimming control.

[0217] For example, after obtaining multiple final control lines, Xiao Zhang was able to monitor and manage the energy storage status of multiple LED lines in the entire LED lighting system, and control the dimming of each line according to the energy storage status, thus achieving multi-channel LED dimming control.

[0218] To address the problems described in the background section, this invention identifies a multi-channel LED lighting system comprising multiple LED routes, each route including a load line and a line energy storage unit. This invention clarifies the overall system structure and control targets, providing a foundation for subsequent independent control of individual routes. Furthermore, for each LED route in the multi-channel LED lighting system, the following operations are performed: the importance of the route and the target power for control are determined based on the LED route. This invention improves the stability of the multi-channel LED lighting system by determining the importance and target power of each route according to its priority in the lighting scenario and the expected brightness requirements. The present invention monitors the status of the load lines in the LED route to obtain the line load power, line voltage, and line current. It is evident that this embodiment of the invention obtains the current actual power consumption status by collecting the operating parameters of the load lines in real time. It also collects parameters of the energy storage units in the LED route to obtain the state of charge and battery voltage. This embodiment of the invention assesses the current energy storage capacity by acquiring the operating parameters of the energy storage units in real time. Based on the line energy storage units, line load power, line voltage, line current, state of charge, and battery voltage in the LED route, the real-time power demand and estimated available energy of the route are determined. This embodiment of the invention calculates the real-time power demand and estimated available energy of the current route by combining the load power consumption data. Based on the importance of the line, the target power for regulation, the real-time power demand of the line, and the estimated available energy, an energy storage management strategy is determined. This strategy includes charging control, discharging control, or standby control. This embodiment of the invention determines which of three control modes the energy storage unit should execute: charging, discharging, or standby, by comprehensively considering the line's importance, the deviation between the target power and the actual power demand, and the estimated available energy. This achieves rational energy allocation. The energy storage management strategy is used to regulate the LED line, resulting in a regulated line. This embodiment of the invention applies the selected energy storage management strategy to the line, adjusting the charging and discharging behavior of the energy storage unit to complete the initial regulation of the line. Based on the regulated line and the target power for regulation, the regulation deviation and average sampling power are determined. As can be seen, this embodiment of the invention improves the stability of multi-channel LED lighting systems by comparing the actual power after regulation with the target power, calculating the degree of deviation, and statistically analyzing the average sampled power over a period of time. It compares the regulation deviation with a preset deviation threshold; if the regulation deviation is greater than or equal to the deviation threshold, a corrected energy storage strategy is determined based on the energy storage management strategy, the regulation deviation, the average sampled power, and the regulation target power. Thus, this embodiment of the invention, by judging the degree of deviation, dynamically adjusts and generates a corrected energy storage strategy based on the current strategy type, deviation direction and magnitude, average sampled power, and target power when the deviation exceeds the tolerance range, in order to narrow the gap between the actual power and the target value. The final regulation circuit is then determined based on the corrected energy storage strategy and the regulation circuit.As can be seen, this embodiment of the invention improves the stability of the multi-channel LED lighting system by reapplying the modified energy storage strategy to the route to obtain the final control result. If the control deviation is less than the deviation threshold, the control route is taken as the final control route. This embodiment of the invention judges the degree of deviation; when the deviation is within the allowable range, the current control effect is maintained, and the initial control route is directly determined as the final result. Multiple final control routes are obtained by summarizing these routes, completing the multi-channel LED dimming control. This embodiment of the invention, by aggregating the final control results of all routes to form a complete dimming control scheme, achieves multi-channel collaborative management and improves the stability of the multi-channel LED lighting system. Therefore, this invention can integrate energy storage management with multi-channel LED dimming control, thereby improving the stability of the multi-channel LED lighting system.

[0219] like Figure 2 The diagram shown is a functional block diagram of a multi-channel LED dimming control system based on energy storage management provided in an embodiment of the present invention.

[0220] The multi-channel LED dimming control system 100 based on energy storage management described in this invention can be installed in an electronic device. Depending on the functions implemented, the multi-channel LED dimming control system 100 based on energy storage management may include a power calculation module 101, an operating parameter acquisition module 102, a control line acquisition module 103, and a dimming control processing module 104. The module described in this invention can also be called a unit, which refers to a series of computer program segments that can be executed by the processor of an electronic device and can perform a fixed function, and are stored in the memory of the electronic device.

[0221] The power control calculation module 101 is used to identify a multi-channel LED lighting system, wherein the multi-channel LED lighting system includes multiple LED routes, wherein each LED route includes a load line and a line energy storage unit. For each LED route in the multi-channel LED lighting system, the following operation is performed: the importance of the line and the target power for control are determined based on the LED route.

[0222] The operating parameter acquisition module 102 is used to monitor the status of the load lines in the LED route, obtain the line load power, line voltage and line current, and to acquire parameters of the line energy storage unit in the LED route, obtain the state of charge and battery voltage.

[0223] The control line acquisition module 103 is used to determine the real-time power demand and estimated available energy of the LED route based on the line energy storage unit, line load power, line voltage, line current, state of charge and battery voltage in the LED route. Based on the importance of the line, the control target power, the real-time power demand of the route and the estimated available energy, the energy storage management strategy is determined. The energy storage management strategy is charging control, discharging control or standby control. The LED route is controlled by the energy storage management strategy to obtain the control line.

[0224] The dimming control processing module 104 is used to determine the control deviation and average sampling power based on the control line and the control target power, compare the control deviation with a preset deviation threshold, and if the control deviation is greater than or equal to the deviation threshold, then a corrected energy storage strategy is determined based on the energy storage management strategy, the control deviation, the average sampling power and the control target power, and the final control line is determined based on the corrected energy storage strategy and the control line. If the control deviation is less than the deviation threshold, then the control line is taken as the final control line, and the final control lines are summarized to obtain multiple final control lines, thereby completing multi-channel LED dimming control.

[0225] In detail, the modules in the multi-channel LED dimming control system 100 based on energy storage management described in this embodiment of the invention employ the same methods as described above. Figure 1 The method used is the same as the multi-channel LED dimming control method based on energy storage management described above, and can produce the same technical effect, so it will not be repeated here.

[0226] like Figure 3 The diagram shown is a structural schematic of an electronic device that implements a multi-channel LED dimming control method based on energy storage management, according to an embodiment of the present invention.

[0227] The electronic device 1 may include a processor 10, a memory 11 and a bus 12, and may also include a computer program stored in the memory 11 and executable on the processor 10, such as a multi-channel LED dimming control method program based on energy storage management.

[0228] The memory 11 includes at least one type of readable storage medium, such as flash memory, portable hard drive, multimedia card, card-type memory (e.g., SD or DX memory), magnetic memory, magnetic disk, optical disk, etc. In some embodiments, the memory 11 can be an internal storage unit of the electronic device 1, such as a portable hard drive. In other embodiments, the memory 11 can be an external storage device of the electronic device 1, such as a plug-in portable hard drive, smart media card (SMC), secure digital card (SD), flash card, etc., equipped on the electronic device 1. Furthermore, the memory 11 includes both internal storage units and external storage devices of the electronic device 1. The memory 11 can be used not only to store application software and various types of data installed on the electronic device 1, such as the code of a multi-channel LED dimming control method program based on energy storage management, but also to temporarily store data that has been output or will be output.

[0229] In some embodiments, the processor 10 may be composed of integrated circuits, such as a single packaged integrated circuit or multiple integrated circuits with the same or different functions, including combinations of one or more central processing units (CPUs), microprocessors, digital processing chips, graphics processors, and various control chips. The processor 10 is the control unit of the electronic device, connecting various components of the entire electronic device through various interfaces and lines. It executes programs or modules stored in the memory 11 (e.g., a multi-channel LED dimming control method program based on energy storage management) and calls data stored in the memory 11 to perform various functions of the electronic device 1 and process data.

[0230] The bus 12 can be a peripheral component interconnect (PCI) bus or an extended industry standard architecture (EISA) bus, etc. The bus 12 can be divided into an address bus, a data bus, a control bus, etc. The bus 12 is configured to realize the connection and communication between the memory 11 and at least one processor 10, etc.

[0231] Figure 3 Only electronic devices with components are shown; it will be understood by those skilled in the art that... Figure 3The structure shown does not constitute a limitation on the electronic device 1, and may include fewer or more components than shown, or combine certain components, or have different component arrangements.

[0232] For example, although not shown, the electronic device 1 may also include a power supply (such as a battery) to power the various components. Preferably, the power supply can be logically connected to the at least one processor 10 through a power management device, thereby enabling functions such as charging management, discharging management, and power consumption management. The power supply may also include one or more DC or AC power supplies, recharging devices, power fault detection circuits, power converters or inverters, power status indicators, and other arbitrary components. The electronic device 1 may also include various sensors, Bluetooth modules, Wi-Fi modules, etc., which will not be described in detail here.

[0233] Furthermore, the electronic device 1 may also include a network interface. Optionally, the network interface may include a wired interface and / or a wireless interface (such as a Wi-Fi interface, a Bluetooth interface, etc.), which is typically used to establish communication connections between the electronic device 1 and other electronic devices.

[0234] Optionally, the electronic device 1 may further include a user interface, which may be a display, an input unit (such as a keyboard), and optionally, a standard wired interface or a wireless interface. Optionally, in some embodiments, the display may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, or an OLED (Organic Light-Emitting Diode) touchscreen, etc. The display may also be appropriately referred to as a screen or display unit, used to display information processed in the electronic device 1 and to display a visual user interface.

[0235] The multi-channel LED dimming control method program based on energy storage management stored in the memory 11 of the electronic device 1 is a combination of multiple instructions. When run in the processor 10, it can achieve the following:

[0236] A multi-channel LED lighting system was identified, which includes multiple LED lines, each of which includes a load line and a line energy storage unit.

[0237] For each of the multiple LED paths in a multi-LED lighting system, perform the following operations:

[0238] The importance of the LED route and the target power for adjustment were determined based on the LED route.

[0239] The status of the load lines in the LED circuit is monitored to obtain the line load power, line voltage and line current;

[0240] Parameters are collected from the line energy storage units in the LED route to obtain the state of charge and battery voltage;

[0241] Based on the line energy storage unit, line load power, line voltage, line current, state of charge and battery voltage in the LED route, the real-time power demand and estimated available energy of the route are determined.

[0242] Based on the importance of the line, the target power for regulation, the real-time power demand of the line, and the estimated available energy, an energy storage management strategy is determined. The energy storage management strategy includes charging control, discharging control, or standby control.

[0243] By utilizing energy storage management strategies to regulate the LED circuit, a regulated circuit is obtained;

[0244] Based on the control line and the control target power, the control deviation and average sampling power are determined.

[0245] Compare the control deviation with the preset deviation threshold. If the control deviation is greater than or equal to the deviation threshold, then a corrected energy storage strategy is determined based on the energy storage management strategy, the control deviation, the average sampling power, and the control target power.

[0246] The final control line was determined based on the revised energy storage strategy and control line.

[0247] If the control deviation is less than the deviation threshold, the control line will be used as the final control line.

[0248] By summarizing the final control lines, multiple final control lines are obtained, enabling multi-channel LED dimming control.

[0249] Specifically, the processor 10's implementation method for the above instructions can be found in [reference needed]. Figures 1 to 3 The descriptions of the relevant steps in the corresponding embodiments are not repeated here.

[0250] Furthermore, if the modules / units integrated in the electronic device 1 are implemented as software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. The computer-readable storage medium can be volatile or non-volatile. For example, the computer-readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a USB flash drive, a portable hard drive, a magnetic disk, an optical disk, a computer memory, or a read-only memory (ROM).

[0251] The present invention also provides a computer-readable storage medium storing a computer program, which, when executed by a processor of an electronic device, can perform the following:

[0252] A multi-channel LED lighting system was identified, which includes multiple LED lines, each of which includes a load line and a line energy storage unit.

[0253] For each of the multiple LED paths in a multi-LED lighting system, perform the following operations:

[0254] The importance of the LED route and the target power for adjustment were determined based on the LED route.

[0255] The status of the load lines in the LED circuit is monitored to obtain the line load power, line voltage and line current;

[0256] Parameters are collected from the line energy storage units in the LED route to obtain the state of charge and battery voltage;

[0257] Based on the line energy storage unit, line load power, line voltage, line current, state of charge and battery voltage in the LED route, the real-time power demand and estimated available energy of the route are determined.

[0258] Based on the importance of the line, the target power for regulation, the real-time power demand of the line, and the estimated available energy, an energy storage management strategy is determined. The energy storage management strategy includes charging control, discharging control, or standby control.

[0259] By utilizing energy storage management strategies to regulate the LED circuit, a regulated circuit is obtained;

[0260] Based on the control line and the control target power, the control deviation and average sampling power are determined.

[0261] Compare the control deviation with the preset deviation threshold. If the control deviation is greater than or equal to the deviation threshold, then a corrected energy storage strategy is determined based on the energy storage management strategy, the control deviation, the average sampling power, and the control target power.

[0262] The final control line was determined based on the revised energy storage strategy and control line.

[0263] If the control deviation is less than the deviation threshold, the control line will be used as the final control line.

[0264] By summarizing the final control lines, multiple final control lines are obtained, enabling multi-channel LED dimming control.

[0265] In the embodiments provided by this invention, it should be understood that the disclosed devices, systems, and methods can be implemented in other ways. For example, the system embodiments described above are merely illustrative, and actual implementations may have other classification methods.

[0266] The modules described as separate components may or may not be physically separate. The components shown as modules may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs.

[0267] Furthermore, the functional modules in the various embodiments of the present invention can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or in the form of hardware plus software functional modules.

[0268] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention.

[0269] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A multi-channel LED dimming control method based on energy storage management, characterized in that, The method includes: A multi-channel LED lighting system was identified, which includes multiple LED lines, each of which includes a load line and a line energy storage unit. For each of the multiple LED paths in a multi-LED lighting system, perform the following operations: The importance of the LED route and the target power for adjustment were determined based on the LED route. The status of the load lines in the LED circuit is monitored to obtain the line load power, line voltage and line current; Parameters are collected from the line energy storage units in the LED route to obtain the state of charge and battery voltage; Based on the line energy storage unit, line load power, line voltage, line current, state of charge and battery voltage in the LED route, the real-time power demand and estimated available energy of the route are determined. Based on the importance of the line, the target power for regulation, the real-time power demand of the line, and the estimated available energy, an energy storage management strategy is determined. The energy storage management strategy includes charging control, discharging control, or standby control. By utilizing energy storage management strategies to regulate the LED circuit, a regulated circuit is obtained; Based on the control line and the control target power, the control deviation and average sampling power are determined. Compare the control deviation with the preset deviation threshold. If the control deviation is greater than or equal to the deviation threshold, then a corrected energy storage strategy is determined based on the energy storage management strategy, the control deviation, the average sampling power, and the control target power. The final control line was determined based on the revised energy storage strategy and control line. If the control deviation is less than the deviation threshold, the control line will be used as the final control line. By summarizing the final control lines, multiple final control lines are obtained, and multi-channel LED dimming control is completed.

2. The multi-channel LED dimming control method based on energy storage management as described in claim 1, characterized in that, The determination of line importance and target power adjustment based on LED route includes: LED parameters are extracted from the LED circuit to obtain the total number of LEDs, LED distribution density, and LED layout uniformity. Scene type identification is performed on the LED route to obtain scene type identifiers; The scene weighting coefficients are determined based on the scene type identifier and the preset scene weight mapping table; The importance of the circuit is calculated based on the total number of LEDs, the distribution density of LEDs, the uniformity of LED layout, and the scene weighting coefficient. The target power of the LED circuit is read to obtain the target power.

3. The multi-channel LED dimming control method based on energy storage management as described in claim 2, characterized in that, The process of extracting LED chip parameters from the LED circuit to obtain the total number of LED chips, LED chip distribution density, and LED chip layout uniformity includes: Count the number of LEDs in the load circuit of the LED circuit to obtain the total number of LEDs; The total coverage area of ​​the LED circuit is obtained by measuring the wiring area of ​​the load lines in the LED route. Calculate the base distribution density based on the total number of LED beads and the total coverage area of ​​the line; The load lines in the LED circuit are divided into multiple unit areas according to a preset unit area. The number of LED beads in multiple regions was determined based on multiple unit regions; The average number of LEDs and the standard deviation of the number of LEDs were determined based on the number of LEDs in multiple regions. The average number of LEDs is the average number of LEDs in multiple regions, and the standard deviation of the number of LEDs is the standard deviation of the number of LEDs in multiple regions. The uniformity of LED layout is calculated based on the average number of LEDs and the standard deviation of the number of LEDs. The set of LED position coordinates is determined based on the load line in the LED route. The set of LED position coordinates includes: multiple LED position coordinates, including: the x-coordinate and the y-coordinate of the LED position. The spatial distribution dispersion of the LED beads was determined based on the set of LED bead position coordinates. The LED distribution density is calculated based on the basic distribution density, LED layout uniformity, and LED spatial distribution dispersion. The calculation formula is shown below: ； in, Indicates the density of LED beads distribution. Represents the basic distribution density. Indicates the uniformity of the LED chip layout. This indicates the spatial dispersion of the LED chips. This represents the preset spatial dispersion weighting coefficient. This represents the preset uniformity compensation coefficient. It represents the natural logarithm.

4. The multi-channel LED dimming control method based on energy storage management as described in claim 3, characterized in that, The determination of the spatial distribution dispersion of LED beads based on the set of LED bead position coordinates includes: Extract the first from the set of LED position coordinates The position coordinates of each LED bead and the first The coordinates of each LED bead's position, where... The initial value is 1. The initial value is 1; According to the The position coordinates of each LED bead and the first Calculate the nearest distance value based on the position coordinates of each LED bead; The neighbor distance values ​​are added to the pre-built set of original distance values ​​to obtain the updated set of distance values; make ,Will As The updated distance value set is used as the original distance value set, and the result extracted from the LED position coordinate set is returned. The position coordinates of each LED bead and the first The steps for determining the position coordinates of each LED bead, until... The updated distance value set is used as the first target distance value set, where, This represents the number of LED position coordinates in a set of LED position coordinates. make , ,Will As Using the first target distance value set as the original distance value set, the method returns the value extracted from the LED position coordinate set. The position coordinates of each LED bead and the first The steps for determining the position coordinates of each LED bead, until... The first target distance value set is used as the final distance value set, wherein the final distance value set includes: multiple neighboring distance values, wherein the neighboring distance values ​​include: distance value, first index and second index; The target proximity distance matrix was determined based on the final set of distance values; The total spatial distance is determined based on the target proximity distance matrix; Based on the target proximity distance matrix and the sum of spatial distances, a distance probability matrix is ​​determined. The spatial distribution dispersion of LED beads is calculated based on the distance probability matrix, using the following formula: ； in, This indicates the spatial dispersion of the LED chips. This indicates the position of the distance probability value matrix at the nth position. Line number The distance probability value of the column. Represents the natural logarithm. This represents the preset zero-constant.

5. The multi-channel LED dimming control method based on energy storage management as described in claim 4, characterized in that, The method for determining the real-time power demand and estimated available energy of the LED route based on the line energy storage unit, line load power, line voltage, line current, state of charge, and battery voltage includes: The apparent power of the line is determined based on the line voltage and the line current, where the apparent power of the line is the product of the line voltage and the line current. Compare the line apparent power with the line load power. If the line apparent power is greater than the line load power, then calculate the line reactive power based on the line apparent power and the line load power. If the apparent power of the line is less than or equal to the line load power, the preset zero value will be used as the reactive power of the line. Obtain the rated voltage of the line, and calculate the real-time power demand of the line based on the rated voltage, line load power, line reactive power and line voltage; The estimated available energy is determined based on the line energy storage unit, state of charge, and battery voltage in the LED route.

6. The multi-channel LED dimming control method based on energy storage management as described in claim 5, characterized in that, The estimated available energy is determined based on the line energy storage unit, state of charge, and battery voltage in the LED route, including: Historical charge and discharge records were extracted from the line energy storage units in the LED route to obtain multiple historical charge and discharge cycle data, which include: historical total discharge energy and historical total charge energy. For each historical charge-discharge cycle in multiple historical charge-discharge cycle data sets, perform the following operation: The cycle efficiency was determined based on the historical total discharge energy and historical total charge energy in the historical charge-discharge cycle data. Summarize the loop efficiency to obtain multiple loop efficiencies; The average cycle efficiency is determined based on multiple cycle efficiencies, where the average cycle efficiency is the average of multiple cycle efficiencies; The rated capacity of the battery was determined based on the line energy storage unit in the LED route. The available energy is estimated based on the average cycle efficiency, battery rated capacity, state of charge, and battery voltage.

7. The multi-channel LED dimming control method based on energy storage management as described in claim 6, characterized in that, The energy storage management strategy, determined based on line importance, target power control, real-time power demand of the line, and estimated available energy, includes: The power deviation value is calculated based on the control target power and the real-time power demand of the route. The power deviation value is the control target power minus the real-time power demand of the route. A comprehensive dispatch score is calculated based on line importance, power deviation, and estimated available energy. The comprehensive scheduling score is compared with a preset first threshold and a preset second threshold, wherein the first threshold is greater than the second threshold; If the comprehensive scheduling score is greater than the first threshold, the preset discharge control will be used as the energy storage management strategy. If the overall scheduling score is less than the second threshold, the preset charging control will be used as the energy storage management strategy. If the comprehensive scheduling score is greater than or equal to the second threshold and less than or equal to the first threshold, then the preset standby control will be used as the energy storage management strategy.

8. The multi-channel LED dimming control method based on energy storage management as described in claim 7, characterized in that, The determination of the control deviation and average sampled power based on the control circuit and the control target power includes: Multiple power samples are taken from the load lines in the control line to obtain multiple sampled power values; The average sampling power is determined based on multiple sampling power values, where the average sampling power is the average of the multiple sampling power values; The control deviation is calculated based on the average sampling power and the control target power.

9. The multi-channel LED dimming control method based on energy storage management as described in claim 8, characterized in that, The process of determining a corrected energy storage strategy based on the energy storage management strategy, control deviation, average sampling power, and control target power includes: The corrected power value is calculated based on the control deviation and the control target power, where the corrected power value is the product of the control deviation and the control target power. Compare the average sampled power with the control target power. If the average sampled power is less than the control target power, then the preset positive compensation will be used as the power compensation method. If the average sampling power is greater than or equal to the control target power, then the preset reverse compensation will be used as the power compensation method. If the energy storage management strategy is discharge control and the power compensation method is positive compensation, then the corrected positive discharge control is determined based on the corrected power value, and the corrected positive discharge control is used as the corrected energy storage strategy. If the current energy storage management strategy is discharge control and the power compensation method is reverse compensation, then the corrected reverse discharge control is determined based on the corrected power value, and the corrected reverse discharge control is used as the corrected energy storage strategy. If the current energy storage management strategy is charging control and the power compensation method is positive compensation, then the corrected positive charging control is determined based on the corrected power value, and the corrected positive charging control is used as the corrected energy storage strategy. If the current energy storage management strategy is charging control and the power compensation method is reverse compensation, then the corrected reverse charging control is determined based on the corrected power value, and the corrected reverse charging control is used as the corrected energy storage strategy. If the current energy storage management strategy is standby control and the power compensation method is positive compensation, then the corrected positive discharge control is determined based on the corrected power value, and the corrected positive discharge control is used as the corrected energy storage strategy. If the current energy storage management strategy is charging control and the power compensation method is reverse compensation, then the corrected reverse charging control is determined based on the corrected power value, and the corrected reverse charging control is used as the corrected energy storage strategy.

10. A multi-channel LED dimming control system based on energy storage management, characterized in that, The system includes: The power control calculation module is used to identify a multi-channel LED lighting system, which includes multiple LED routes, each of which includes a load line and a line energy storage unit. For each LED route in the multi-channel LED lighting system, the following operations are performed: the importance of the line and the target power control are determined based on the LED route. The operation parameter acquisition module is used to monitor the status of the load lines in the LED route, obtain the line load power, line voltage and line current, and to acquire parameters of the line energy storage units in the LED route, obtain the state of charge and battery voltage. The control line acquisition module is used to determine the real-time power demand and estimated available energy of the LED route based on the line energy storage unit, line load power, line voltage, line current, state of charge and battery voltage. Based on the importance of the line, the control target power, the real-time power demand of the route and the estimated available energy, the energy storage management strategy is determined. The energy storage management strategy is charging control, discharging control or standby control. The LED route is controlled by the energy storage management strategy to obtain the control line. The dimming control processing module is used to determine the control deviation and average sampling power based on the control circuit and the control target power. It compares the control deviation with a preset deviation threshold. If the control deviation is greater than or equal to the deviation threshold, it determines a corrected energy storage strategy based on the energy storage management strategy, the control deviation, the average sampling power, and the control target power. It determines the final control circuit based on the corrected energy storage strategy and the control circuit. If the control deviation is less than the deviation threshold, it uses the control circuit as the final control circuit. The final control circuits are then aggregated to obtain multiple final control circuits, thus completing the multi-channel LED dimming control.

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