CN117641649A - LED control method and device based on real-time power and LED control equipment - Google Patents

LED control method and device based on real-time power and LED control equipment Download PDF

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Publication number
CN117641649A
CN117641649A CN202311844507.0A CN202311844507A CN117641649A CN 117641649 A CN117641649 A CN 117641649A CN 202311844507 A CN202311844507 A CN 202311844507A CN 117641649 A CN117641649 A CN 117641649A
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current
slave
led lamp
power consumption
led
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欧立辉
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Dongguan Yiwen Electronics Co ltd
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Dongguan Yiwen Electronics Co ltd
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10Controlling the intensity of the light
    • H05B45/14Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The application provides an LED control method, an LED control device and LED control equipment based on real-time power, wherein the method judges through the calculated current demand power consumption of a slave machine and controls the work of each LED lamp bead in the corresponding slave machine in different control modes, so that the output power of each LED lamp bead is within a preset range, and the output power of each LED lamp bead is monitored in real time; under the condition that the current required power consumption does not meet the power consumption requirement condition, the method can control the corresponding LED lamp beads to operate through the slave machine according to the updated brightness level, so that the brightness of the LED lamp beads is automatically reduced to control the power consumption output by the LED lamp beads within the maximum allowable range, the risk of burning the LED lamp beads is reduced, and the stability and the safety of an LED control system are improved; the controller solves the problem that the reliability and the service life of the controller of the existing LED lighting equipment are affected because the power consumption of the LEDs cannot be monitored and regulated in real time.

Description

LED control method and device based on real-time power and LED control equipment
Technical Field
The application belongs to the technical field of LED control, and particularly relates to an LED control method and device based on real-time power and LED control equipment.
Background
A common problem with LED controllers of existing LED lighting devices is the lack of a real-time power consumption assessment, which may lead to current overdriving, thereby increasing the risk of burning out the controller. The control system of the traditional LED controller cannot monitor and adjust the power consumption of the LEDs in real time, so that the LED controller is easily affected by current fluctuation, and the reliability and the service life of the control system of the LED controller are reduced.
Disclosure of Invention
An embodiment of the application provides an LED control method and device based on real-time power and LED control equipment, so as to solve the problem that the reliability and service life of the existing LED lighting equipment are affected because the controller of the LED lighting equipment cannot monitor and adjust the power consumption of an LED in real time.
In a first aspect, an embodiment of the present application provides an LED control method based on real-time power, which is applied to an LED control system, where the LED control system includes a host and M slaves communicatively connected to the host, each of the slaves is configured to control operation of a plurality of LED light beads, and the LED control method includes the following steps:
acquiring allowable power consumption issued by the host to each slave and acquiring operation working parameters of each LED lamp bead in the slave in real time, wherein the operation working parameters comprise current, current voltage, brightness level and total brightness of the lamp beads;
calculating according to the current voltage of the slave machine and the operation working parameters of all the LED lamp beads in the slave machine to obtain the brightness level of each corresponding LED lamp bead and the current required power consumption of the slave machine;
if the current required power consumption meets the power consumption requirement condition, controlling the corresponding LED lamp beads to run through the slave according to the brightness level;
if the current required power consumption does not meet the power consumption requirement, calculating according to the allowable power consumption, the brightness level and the operation working parameter of the slave machine to obtain an updated brightness level corresponding to the LED lamp beads; controlling the operation of the corresponding LED lamp beads through the slave according to the updated brightness level so that the current required power consumption of the slave meets the power consumption requirement condition;
the power consumption requirement condition is that the current required power consumption does not exceed the allowed power consumption.
Optionally, before acquiring the operation working parameter of each LED lamp bead in the slave in real time, the LED control method includes: the method for obtaining the number of the LED lamp beads controlled by each slave comprises the following steps of:
controlling all the LED lamp beads in the slave machine to be not operated, and acquiring the current of the slave machine at the moment and recording the current as the static current;
starting from a first LED lamp bead, sequentially controlling one LED lamp bead to work, enabling other LED lamp beads to not work, obtaining the working current of the slave machine at the moment and controlling the number of times of the LED lamp bead work until the working current is equal to the quiescent current, and taking the number of times reduced by one corresponding to the working current which is equal to the quiescent current as the number of lamp beads of the slave machine.
Optionally, calculating according to the operation working parameters of all the LED lamp beads in the slave, the obtaining the brightness level of each LED lamp bead includes: and comparing and calculating the current of each LED lamp bead with the total brightness of the lamp beads to obtain the brightness level current of each corresponding LED lamp bead.
Optionally, according to the current voltage of the slave and the operation working parameters of all the LED lamp beads in the slave, the obtaining the current required power consumption of the slave includes:
calculating according to the brightness level currents of all the LED lamp beads to obtain the current total current of the slave;
and calculating according to the current voltage and the current total current to obtain the current required power consumption of the slave.
Optionally, calculating according to the allowable power consumption, the brightness level and the operation working parameter of the slave, obtaining an updated brightness level corresponding to the LED lamp bead includes:
calculating according to the allowable power consumption, the current total current and the current voltage of the slave machine to obtain a brightness reduction factor corresponding to the slave machine;
and calculating according to the brightness reduction factor and the brightness level of the LED lamp beads to obtain updated brightness levels corresponding to the LED lamp beads.
In a second aspect, another embodiment of the present application provides an LED control device based on real-time power, which is applied to an LED control system, the LED control system includes a master and M slaves communicatively connected to the master, each of the slaves is used for controlling operations of a plurality of LED beads, and the LED control device includes: the system comprises a data acquisition module, a calculation module, a first execution module and a second execution module;
the data acquisition module is used for acquiring the allowable power consumption issued by the host to each slave and acquiring the operation working parameters of each LED lamp bead in the slave in real time, wherein the operation working parameters comprise the current, the current voltage, the brightness level and the total brightness of the lamp beads;
the calculation module is used for calculating according to the current voltage of the slave machine and the operation working parameters of all the LED lamp beads in the slave machine to obtain the brightness level of each corresponding LED lamp bead and the current required power consumption of the slave machine;
the first execution module is used for controlling the operation of the corresponding LED lamp beads through the slave machine according to the brightness level if the current required power consumption meets the power consumption requirement condition;
the second execution module is configured to calculate, according to the allowable power consumption, the brightness level and the operation working parameter of the slave, to obtain an updated brightness level corresponding to the LED lamp bead if the current required power consumption does not meet the power consumption requirement; controlling the operation of the corresponding LED lamp beads through the slave according to the updated brightness level so that the current required power consumption of the slave meets the power consumption requirement condition;
the power consumption requirement condition is that the current required power consumption does not exceed the allowed power consumption.
Optionally, the LED control device based on real-time power includes a bead determining module, where the bead determining module is configured to obtain the number of beads that each slave controls the LED bead to work, and the content of obtaining the number of beads that each slave controls the LED bead to work includes: controlling all the LED lamp beads in the slave machine to be not operated, and acquiring the current of the slave machine at the moment and recording the current as the static current; starting from a first LED lamp bead, sequentially controlling one LED lamp bead to work, enabling other LED lamp beads to not work, obtaining the working current of the slave machine at the moment and controlling the number of times of the LED lamp bead work until the working current is equal to the quiescent current, and taking the number of times reduced by one corresponding to the working current which is equal to the quiescent current as the number of lamp beads of the slave machine.
Optionally, the calculation module is further configured to compare and calculate the current of each LED lamp bead with the total brightness of the lamp beads, so as to obtain a brightness level current corresponding to each LED lamp bead.
Optionally, the calculation module is further configured to calculate, according to the brightness level currents of all the LED lamp beads, a current total current of the slave machine; and calculating according to the current voltage and the current total current to obtain the current required power consumption of the slave.
In a third aspect, another embodiment of the present application provides an LED control apparatus, which is applied to an LED control system, where the LED control system includes a master and M slaves communicatively connected to the master, each of the slaves is configured to control operation of a plurality of LED light beads, and the master and the M slaves control operation of the LED light beads in each of the slaves according to the above-mentioned real-time power-based LED control method.
According to the LED control method, the device and the LED control equipment based on the real-time power, the work of each LED lamp bead in the corresponding slave machine is controlled in different control modes according to the judgment of the calculated current demand power consumption of the slave machine, so that the output power of each LED lamp bead is in a preset range, and the output power of each LED lamp bead is monitored in real time; under the condition that the current required power consumption does not meet the power consumption requirement condition, the LED control method based on the real-time power can control the corresponding LED lamp beads to operate through the slave machine according to the updated brightness level, so that the brightness of the LED lamp beads is automatically reduced to control the power consumption output by the LED lamp beads within the maximum allowable range, the risk of burning the LED lamp beads is reduced, and the stability and safety of an LED control system are improved; the controller solves the problem that the reliability and the service life of the controller of the existing LED lighting equipment are affected because the power consumption of the LEDs cannot be monitored and regulated in real time.
Drawings
In order to more clearly illustrate the technical solution in one embodiment of the present application, the drawings that are used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort to a person skilled in the art.
For a more complete understanding of the present application and the advantages thereof, reference is now made to the following descriptions taken in conjunction with the accompanying drawings. Wherein like reference numerals refer to like parts throughout the following description.
Fig. 1 is a schematic flow chart of steps of a real-time power-based LED control method according to an embodiment of the present application.
Fig. 2 is a schematic diagram of a frame of an LED control system in an LED control method based on real-time power according to an embodiment of the present application.
Fig. 3 is a schematic frame diagram of an LED control device based on real-time power according to an embodiment of the present application.
Detailed Description
The technical solution in one embodiment of the present application will be clearly and completely described below with reference to the accompanying drawings in one embodiment of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
An embodiment of the application provides an LED control method and device based on real-time power and LED control equipment, so as to solve the problem that the reliability and service life of the existing LED lighting equipment are affected because the controller of the LED lighting equipment cannot monitor and adjust the power consumption of an LED in real time.
Embodiment one:
referring to fig. 1, fig. 1 is a schematic flow chart of steps of a real-time power-based LED control method according to an embodiment of the present application, and fig. 2 is a schematic frame diagram of an LED control system in the real-time power-based LED control method according to an embodiment of the present application.
As shown in fig. 1 and fig. 2, the invention provides an LED control method based on real-time power, which is applied to an LED control system, wherein the LED control system comprises a master and M slaves communicatively connected with the master, and each slave is used for controlling the operation of a plurality of LED lamp beads.
Further described, the master and the slave communicate via a bus. The master can use the preset maximum total output power of the controller and learn how many slaves are connected on the bus through communication. Each slave is equipped with a voltage and current sampling circuit to calculate the current required power consumption of each slave in real time and to communicate the current required power consumption of all slaves to the master in a reporting manner. In this embodiment, the master may provide power to the slaves, and the master may set the output maximum power (e.g., allowed power consumption) of each slave. The slave machine is internally provided with a voltage sampling circuit and a current sampling circuit, and can collect the operation working parameters of the slave machine for controlling the LED lamp beads, so that the current required power consumption of each LED lamp bead can be calculated in real time. The voltage sampling circuit and the current sampling circuit can adopt a voltage transformer and a current transformer to realize the corresponding acquisition of voltage and current.
The LED control method based on the real-time power comprises the following steps:
s1, acquiring allowable power consumption issued by a host to each slave and acquiring operation working parameters of each LED lamp bead in the slave in real time, wherein the operation working parameters comprise current, current voltage, brightness level and total brightness of the lamp beads;
s2, calculating according to the current voltage of the slave machine and the operation working parameters of all the LED lamp beads in the slave machine, and obtaining the brightness level of each corresponding LED lamp bead and the current required power consumption of the slave machine;
s3, if the current required power consumption meets the power consumption requirement, controlling the corresponding LED lamp beads to operate through the slave machine according to the brightness level;
s4, if the current required power consumption does not meet the power consumption requirement, calculating according to the allowable power consumption, the brightness level and the operation working parameters of the slave machine to obtain the updated brightness level of the corresponding LED lamp beads; controlling the corresponding LED lamp beads to run by the slave according to the updated brightness level so that the current required power consumption of the slave meets the power consumption requirement condition; the power consumption requirement condition is that the current requirement power consumption does not exceed the allowable power consumption.
The LED control method based on the real-time power is further described, wherein the allowable power consumption of each slave machine and the operation working parameters of each LED lamp bead controlled by each slave machine are obtained through the step S1; then, calculating according to the data obtained in the step S1 through the step S2 to obtain the brightness level of each LED lamp bead and the current required power consumption of the slave machine, and providing judgment data for the step S3; and step S3 and step S2 are used for judging according to the current demand power consumption of the slave computer calculated in step S2, and controlling the work of each LED lamp bead in the corresponding slave computer by adopting different control modes, so that the output power of each LED lamp bead is within a preset range, and the output power of each LED lamp bead is monitored in real time.
Further stated, in step S3, when the current required power consumption of the slave machine meets the power consumption requirement, the slave machine directly operates according to the brightness level of the LED lamp bead.
Further stated, in step S4, when the current required power consumption does not meet the power consumption requirement condition, the real-time power-based LED control method may control the operation of the corresponding LED lamp beads through the slave machine according to the updated brightness level, so as to automatically reduce the brightness of the LED lamp beads and control the power consumption output by the LED lamp beads within the maximum allowable range, thereby reducing the risk of burning the LED lamp beads and improving the stability and safety of the LED control system.
The LED control method based on real-time power is applied to an LED control system, the LED control system comprises a host computer and M slave computers in communication connection with the host computer, each slave computer is used for controlling the operation of a plurality of LED lamp beads, and the LED control method comprises the following steps: acquiring allowable power consumption issued by a host to each slave and acquiring operation working parameters of each LED lamp bead in the slave in real time, wherein the operation working parameters comprise current, current voltage, brightness level and total brightness of the lamp beads; calculating according to the current voltage of the slave machine and the operation working parameters of all the LED lamp beads in the slave machine to obtain the brightness level of each corresponding LED lamp bead and the current required power consumption of the slave machine; according to the current demand power consumption, the power consumption demand condition is met, and the corresponding LED lamp beads are controlled to run by the slave machine according to the brightness level; according to the comparison result, if the current required power consumption does not meet the power consumption requirement condition, calculating according to the allowable power consumption, the brightness level and the operation working parameters of the slave machine, and obtaining the updated brightness level of the corresponding LED lamp beads; and controlling the corresponding LED lamp beads to run by the slave according to the updated brightness level, so that the current required power consumption of the slave meets the power consumption requirement condition. According to the LED control method based on the real-time power, the work of each LED lamp bead in the corresponding slave machine is controlled by adopting different control modes according to the calculated current demand power consumption of the slave machine, so that the output power of each LED lamp bead is within a preset range, and the output power of each LED lamp bead is monitored in real time; under the condition that the current required power consumption does not meet the power consumption requirement condition, the LED control method based on the real-time power can control the corresponding LED lamp beads to operate through the slave machine according to the updated brightness level, so that the brightness of the LED lamp beads is automatically reduced to control the power consumption output by the LED lamp beads within the maximum allowable range, the risk of burning the LED lamp beads is reduced, and the stability and safety of an LED control system are improved; the controller solves the problem that the reliability and the service life of the controller of the existing LED lighting equipment are affected because the power consumption of the LEDs cannot be monitored and regulated in real time.
In the embodiment of the invention, before the operation working parameters of each LED lamp bead in the slave are obtained in real time, the LED control method comprises the following steps: the content of obtaining the lamp pearl quantity of every slave machine control LED lamp pearl work includes:
controlling all LED lamp beads in the slave machine to be not operated, acquiring current of the slave machine at the moment and recording the current as static current;
starting from a first LED lamp bead, sequentially controlling one LED lamp bead to work, and stopping other LED lamp beads to obtain the working current of the slave machine and the times of controlling the LED lamp beads to work until the working current is equal to the quiescent current, and taking the number of times corresponding to the working current equal to the quiescent current minus one as the number of lamp beads of the slave machine.
The method is characterized in that the content of obtaining the number of the LED lamp beads for each slave machine to control the LED lamp beads to work is that all the LED lamp beads of the slave machine controller do not work, and the quiescent current of the slave machine is obtained through detection; then, controlling a first lamp bead in the slave machine to work, wherein other lamp beads in the slave machine do not work, acquiring the working current of the slave machine and the times of controlling the LED lamp beads to work at the moment, and judging whether the working current is equal to the quiescent current or not; if the current is not equal to the quiescent current, controlling a second lamp bead in the slave machine to work, wherein other lamp beads in the slave machine do not work, acquiring the working current of the slave machine and the times of controlling the LED lamp beads to work at the moment, and judging whether the working current is equal to the quiescent current; if the current is not equal to the quiescent current, controlling a third lamp bead in the slave machine to work, wherein other lamp beads in the slave machine do not work, acquiring the working current of the slave machine and the times of controlling the LED lamp beads to work at the moment, and judging whether the working current is equal to the quiescent current; if the current is not equal to the quiescent current, controlling the nth lamp bead in the slave machine to work, and judging whether the working current is equal to the quiescent current or not by acquiring the working current of the slave machine and the times of controlling the LED lamp bead to work at the moment; if the current is not equal to the preset value, controlling the n+1th lamp bead in the slave machine to work, wherein other lamp beads in the slave machine do not work, acquiring the working current of the slave machine and the times of controlling the LED lamp beads to work at the moment, and judging whether the working current is equal to the quiescent current or not; if the number of the lamp beads is equal to the number of the lamp beads of the slave.
In the embodiment of the invention, according to the operation working parameters of all the LED lamp beads in the slave, the obtaining the brightness level of each corresponding LED lamp bead comprises the following steps: and comparing and calculating the current of each LED lamp bead with the total brightness of the lamp beads to obtain the brightness level current of each corresponding LED lamp bead.
Further, as shown in table 1, each LED lamp bead is composed of R, G, B light emitting chips, and the brightness value of each chip can be set to be 0-255 total 256 values. Different brightness levels of the RGB configuration may be combined into different colors. Each LED light bead may have a different color setting. The R, G, B luminous wafers of the LED lamp beads are set to be white light when the brightness values are 255, the power consumption of the single LED lamp bead is maximum, the total brightness of the single LED lamp bead is R255+G255+B255=765, the current Ip of the single LED lamp bead is measured, and the brightness level current of each LED lamp bead can be calculated approximately to be Ip/765.
Table 1 shows the brightness values of LED lamp beads
In the embodiment of the invention, according to the current voltage of the slave machine and the operation working parameters of all the LED lamp beads in the slave machine, the obtaining of the current required power consumption of the slave machine comprises the following steps:
calculating according to the brightness level currents of all the LED lamp beads to obtain the current total current of the slave;
and calculating according to the current voltage and the current total current to obtain the current required power consumption of the slave.
The current voltage of the slave machine is multiplied by the current total current of the slave machine to obtain the current required power consumption of the slave machine.
In the embodiment of the invention, according to the allowable power consumption, the brightness level and the operation working parameter of the slave, the obtaining of the updated brightness level of the corresponding LED lamp beads comprises the following steps:
calculating according to the allowable power consumption, the current total current and the current voltage of the slave machine to obtain a brightness reduction factor of the corresponding slave machine;
and calculating according to the brightness reduction factor and the brightness level of the LED lamp beads to obtain updated brightness levels of the corresponding LED lamp beads.
Further described is the luminance reduction factor= (allowed power consumption/present voltage)/present total current. Update brightness level = brightness reduction factor.
Embodiment two:
fig. 3 is a schematic frame diagram of an LED control device based on real-time power according to an embodiment of the present application.
As shown in fig. 2 and 3, an embodiment of the present application is an LED control device based on real-time power, applied to an LED control system, where the LED control system includes a master and M slaves communicatively connected to the master, each of the slaves is configured to control operation of a plurality of LED beads, and the LED control device includes: a data acquisition module 10, a calculation module 20, a first execution module 30 and a second execution module 40;
the data acquisition module 10 is used for acquiring the allowable power consumption issued by the host to each slave and acquiring the operation working parameters of each LED lamp bead in the slave in real time, wherein the operation working parameters comprise the current, the current voltage, the brightness level and the total brightness of the lamp beads;
the calculating module 20 is configured to calculate according to the current voltage of the slave and the operation working parameters of all the LED lamp beads in the slave, so as to obtain the brightness level of each LED lamp bead and the current required power consumption of the slave;
the first execution module 30 is configured to control the operation of the corresponding LED lamp beads by the slave according to the brightness level if the current power consumption meets the power consumption requirement;
the second execution module 40 is configured to calculate, according to the allowable power consumption, the brightness level and the operation working parameter of the slave machine, to obtain an updated brightness level of the corresponding LED lamp bead if the current required power consumption does not meet the power consumption requirement; controlling the corresponding LED lamp beads to run by the slave according to the updated brightness level so that the current required power consumption of the slave meets the power consumption requirement condition;
the power consumption requirement condition is that the current requirement power consumption does not exceed the allowable power consumption.
The content of the module in the second device corresponds to the content of the steps in the first real-time power-based LED control method, which has been described in detail in the first device, and the content of the module in the second device will not be described again in this embodiment.
In the embodiment of the present invention, the LED control device based on real-time power includes a bead determining module 50, where the bead determining module 50 is configured to obtain the number of beads for each slave to control the operation of the LED beads, and the content for obtaining the number of beads for each slave to control the operation of the LED beads includes: controlling all LED lamp beads in the slave machine to be not operated, acquiring current of the slave machine at the moment and recording the current as static current; starting from a first LED lamp bead, sequentially controlling one LED lamp bead to work, and stopping other LED lamp beads to obtain the working current of the slave machine and the times of controlling the LED lamp beads to work until the working current is equal to the quiescent current, and taking the number of times corresponding to the working current equal to the quiescent current minus one as the number of lamp beads of the slave machine.
In the embodiment of the present invention, the calculation module 20 is further configured to compare and calculate the current of each LED lamp bead with the total brightness of the lamp beads, so as to obtain the brightness level current of each corresponding LED lamp bead.
In the embodiment of the present invention, the calculation module 20 is further configured to calculate, according to the brightness level currents of all the LED lamp beads, a current total current of the slave; and calculating according to the current voltage and the current total current to obtain the current required power consumption of the slave.
Embodiment two:
an embodiment of the application is an LED control device, which is applied to an LED control system, and is characterized in that the LED control system comprises a host computer and M slaves which are in communication connection with the host computer, each slave is used for controlling the operation of a plurality of LED lamp beads, and the host computer and the M slaves control the operation of the LED lamp beads in each slave according to the LED control method based on real-time power.
It is further noted that the content of the LED control method based on real-time power is described in the first embodiment, and this embodiment will not be repeated.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
In the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features.
The above describes in detail the LED control method based on real-time power provided by an embodiment of the present application, and specific examples are applied herein to illustrate the principles and implementations of the present application, where the above description of the embodiment is only used to help understand the method and core idea of the present application; meanwhile, as those skilled in the art will vary in the specific embodiments and application scope according to the ideas of the present application, the contents of the present specification should not be construed as limiting the present application in summary.

Claims (10)

1. The LED control method based on real-time power is applied to an LED control system, and is characterized in that the LED control system comprises a host computer and M slaves which are in communication connection with the host computer, each slave is used for controlling the operation of a plurality of LED lamp beads, and the LED control method comprises the following steps:
acquiring allowable power consumption issued by the host to each slave and acquiring operation working parameters of each LED lamp bead in the slave in real time, wherein the operation working parameters comprise current, current voltage, brightness level and total brightness of the lamp beads;
calculating according to the current voltage of the slave machine and the operation working parameters of all the LED lamp beads in the slave machine to obtain the brightness level of each corresponding LED lamp bead and the current required power consumption of the slave machine;
if the current required power consumption meets the power consumption requirement condition, controlling the corresponding LED lamp beads to run through the slave according to the brightness level;
if the current required power consumption does not meet the power consumption requirement, calculating according to the allowable power consumption, the brightness level and the operation working parameter of the slave machine to obtain an updated brightness level corresponding to the LED lamp beads; controlling the operation of the corresponding LED lamp beads through the slave according to the updated brightness level so that the current required power consumption of the slave meets the power consumption requirement condition;
the power consumption requirement condition is that the current required power consumption does not exceed the allowed power consumption.
2. The method of claim 1, wherein before obtaining the operation operating parameter of each LED lamp bead in the slave in real time, the method comprises: the method for obtaining the number of the LED lamp beads controlled by each slave comprises the following steps of:
controlling all the LED lamp beads in the slave machine to be not operated, and acquiring the current of the slave machine at the moment and recording the current as the static current;
starting from a first LED lamp bead, sequentially controlling one LED lamp bead to work, enabling other LED lamp beads to not work, obtaining the working current of the slave machine at the moment and controlling the number of times of the LED lamp bead work until the working current is equal to the quiescent current, and taking the number of times reduced by one corresponding to the working current which is equal to the quiescent current as the number of lamp beads of the slave machine.
3. The method of claim 1, wherein calculating, according to the operation parameters of all the LED beads in the slave, the brightness level of each LED bead comprises: and comparing and calculating the current of each LED lamp bead with the total brightness of the lamp beads to obtain the brightness level current of each corresponding LED lamp bead.
4. The method of claim 3, wherein calculating, based on the current voltage of the slave and the operating parameters of all the LED light beads in the slave, the current required power consumption of the slave comprises:
calculating according to the brightness level currents of all the LED lamp beads to obtain the current total current of the slave;
and calculating according to the current voltage and the current total current to obtain the current required power consumption of the slave.
5. The method of claim 4, wherein calculating, based on the allowable power consumption, the brightness level, and the operating parameter of the slave, an updated brightness level corresponding to the LED light beads comprises:
calculating according to the allowable power consumption, the current total current and the current voltage of the slave machine to obtain a brightness reduction factor corresponding to the slave machine;
and calculating according to the brightness reduction factor and the brightness level of the LED lamp beads to obtain updated brightness levels corresponding to the LED lamp beads.
6. An LED control device based on real-time power, applied to an LED control system, wherein the LED control system includes a master computer and M slave computers communicatively connected with the master computer, each of the slave computers is used for controlling the operation of a plurality of LED lamp beads, the LED control device includes: the system comprises a data acquisition module, a calculation module, a first execution module and a second execution module;
the data acquisition module is used for acquiring the allowable power consumption issued by the host to each slave and acquiring the operation working parameters of each LED lamp bead in the slave in real time, wherein the operation working parameters comprise the current, the current voltage, the brightness level and the total brightness of the lamp beads;
the calculation module is used for calculating according to the current voltage of the slave machine and the operation working parameters of all the LED lamp beads in the slave machine to obtain the brightness level of each corresponding LED lamp bead and the current required power consumption of the slave machine;
the first execution module is used for controlling the operation of the corresponding LED lamp beads through the slave machine according to the brightness level if the current required power consumption meets the power consumption requirement condition;
the second execution module is configured to calculate, according to the allowable power consumption, the brightness level and the operation working parameter of the slave, to obtain an updated brightness level corresponding to the LED lamp bead if the current required power consumption does not meet the power consumption requirement; controlling the operation of the corresponding LED lamp beads through the slave according to the updated brightness level so that the current required power consumption of the slave meets the power consumption requirement condition;
the power consumption requirement condition is that the current required power consumption does not exceed the allowed power consumption.
7. The LED control apparatus of claim 6, comprising a bead determination module, wherein the bead determination module is configured to obtain a number of beads that each slave controls the LED bead to operate, and the content of obtaining the number of beads that each slave controls the LED bead to operate includes: controlling all the LED lamp beads in the slave machine to be not operated, and acquiring the current of the slave machine at the moment and recording the current as the static current; starting from a first LED lamp bead, sequentially controlling one LED lamp bead to work, enabling other LED lamp beads to not work, obtaining the working current of the slave machine at the moment and controlling the number of times of the LED lamp bead work until the working current is equal to the quiescent current, and taking the number of times reduced by one corresponding to the working current which is equal to the quiescent current as the number of lamp beads of the slave machine.
8. The LED control device of claim 6, wherein said calculation module is further configured to compare said current of each of said LED beads with a total brightness of said beads to obtain a brightness level current corresponding to each of said LED beads.
9. The real-time power-based LED control apparatus of claim 8, wherein said calculation module is further configured to calculate, from said brightness level currents of all said LED beads, a current total current of said slave; and calculating according to the current voltage and the current total current to obtain the current required power consumption of the slave.
10. An LED control apparatus applied to an LED control system, wherein the LED control system comprises a master and M slaves communicatively connected to the master, each of the slaves is used for controlling the operation of a plurality of LED beads, and the master and the M slaves control the operation of the LED beads in each of the slaves according to the real-time power-based LED control method as set forth in any one of claims 1 to 5.
CN202311844507.0A 2023-12-28 2023-12-28 LED control method and device based on real-time power and LED control equipment Pending CN117641649A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102203847A (en) * 2008-10-10 2011-09-28 夏普株式会社 Method for controlling power of image display light emission device, image display light emission device, display device, and television reception device
DE202013004095U1 (en) * 2013-05-03 2013-06-19 Jörg Fischer LED lighting system
CN109757012A (en) * 2019-03-28 2019-05-14 长春光华学院 A kind of LED light automatic adjusument constant-power control method
CN110149749A (en) * 2019-05-20 2019-08-20 上海光联照明有限公司 A kind of LED lamp general power control system and method
CN113613362A (en) * 2020-12-11 2021-11-05 萤火虫(深圳)灯光科技有限公司 Lamp bead quantity detection method, controller, light module and storage medium
CN113990264A (en) * 2021-10-28 2022-01-28 深圳创维-Rgb电子有限公司 Power protection method and system for backlight drive, display device and storage medium

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102203847A (en) * 2008-10-10 2011-09-28 夏普株式会社 Method for controlling power of image display light emission device, image display light emission device, display device, and television reception device
DE202013004095U1 (en) * 2013-05-03 2013-06-19 Jörg Fischer LED lighting system
CN109757012A (en) * 2019-03-28 2019-05-14 长春光华学院 A kind of LED light automatic adjusument constant-power control method
CN110149749A (en) * 2019-05-20 2019-08-20 上海光联照明有限公司 A kind of LED lamp general power control system and method
CN113613362A (en) * 2020-12-11 2021-11-05 萤火虫(深圳)灯光科技有限公司 Lamp bead quantity detection method, controller, light module and storage medium
CN113990264A (en) * 2021-10-28 2022-01-28 深圳创维-Rgb电子有限公司 Power protection method and system for backlight drive, display device and storage medium

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