CN114567951A - Method and device for adjusting lighting system and computer storage medium - Google Patents

Method and device for adjusting lighting system and computer storage medium Download PDF

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Publication number
CN114567951A
CN114567951A CN202210229165.0A CN202210229165A CN114567951A CN 114567951 A CN114567951 A CN 114567951A CN 202210229165 A CN202210229165 A CN 202210229165A CN 114567951 A CN114567951 A CN 114567951A
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voltage
target
target voltage
control signal
adjusting
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CN114567951B (en
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华桂潮
葛良安
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Siwei Ecological Technology Hangzhou Co ltd
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Siwei Ecological Technology Hangzhou 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
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • 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
    • 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]
    • H05B45/20Controlling the colour of the light
    • 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
    • H05B45/34Voltage stabilisation; Maintaining constant voltage
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • H05B47/165Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
    • 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 relates to the field of illumination adjustment, in particular to an adjusting method and device of an illumination system and a computer storage medium, wherein the adjusting method of the illumination system comprises the following steps: acquiring a lighting adjustment instruction; determining a target voltage characteristic parameter corresponding to at least one lighting adjusting parameter based on a preset relation between the lighting adjusting parameter and the voltage characteristic parameter; generating a target voltage control signal corresponding to the illumination adjusting instruction according to the target voltage characteristic parameter; regulating the output voltage of the voltage source based on the target voltage control signal to obtain a target voltage carrying target voltage characteristic parameters, wherein the target voltage is a continuous function of time and is a periodic function of time; by obtaining the target voltage with the characteristic parameters of the target voltage, the control of the post-stage circuit is realized, and meanwhile, the target voltage is a continuous function of time, so that the situation that the voltage value is in a chopping state can be avoided, the sudden change of the voltage value is avoided, and the influence of the voltage change on a load device is reduced.

Description

Method and device for adjusting lighting system and computer storage medium
Technical Field
The present application relates to the field of illumination adjustment, and in particular, to a method and an apparatus for adjusting an illumination system, and a computer storage medium.
Background
Referring to fig. 1, in the conventional illumination adjustment color modulation system, a front-stage constant voltage circuit supplies a direct-current voltage to a rear-stage constant current circuit through a bus, and the rear-stage constant current circuit supplies power to an LED light source; after a switching tube is connected in series on a bus, the PWM chopping dimming control module controls the on-off of the switching tube, so that the bus voltage received by a rear-stage load is PWM chopping voltage, such as square wave voltage; the power received by the LED light source at the rear stage is changed by changing the duty ratio of the PWM chopping voltage, so that the light source of the lighting system is adjusted.
However, in the case that the rear-stage load needs to be maintained at low brightness, the PWM chopper voltage needs to maintain the corresponding duty ratio, and the switching tube needs to be in the on-off state continuously; the voltage in the chopped state for a long time as a supply voltage of a subsequent load causes many problems such as rush current and EMI; therefore, an adjusting method of a lighting system is proposed to solve the above problems.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present application is to provide a method for adjusting an illumination system, which achieves control of a subsequent circuit by obtaining a target voltage with a target voltage characteristic parameter; meanwhile, the target voltage is continuous direct-current voltage which changes periodically, so that the chopping state of the voltage is avoided, and the influence of the voltage change on a load device is reduced.
In order to solve the above problem, the present application provides a method of adjusting a lighting system, the method comprising:
acquiring an illumination adjusting instruction, wherein the illumination adjusting instruction carries at least one illumination adjusting parameter;
determining a target voltage characteristic parameter corresponding to the at least one lighting adjustment parameter based on a preset relation between the lighting adjustment parameter and the voltage characteristic parameter;
generating a target voltage control signal corresponding to the illumination adjusting instruction according to the target voltage characteristic parameter, wherein the target control signal carries characteristic information corresponding to the target voltage characteristic parameter;
and adjusting the output voltage of the voltage source based on the target voltage control signal to obtain a target voltage carrying the characteristic parameter of the target voltage, wherein the target voltage is a continuous function of time and is a periodic function of time.
In some embodiments, the adjusting the voltage output by the voltage source based on the target control signal to obtain the target voltage with the target characteristic parameter is:
and performing superposition adjustment on a reference signal of the voltage source output voltage based on the target control signal to obtain a target voltage, wherein the target characteristic parameter carried by the target voltage is the same as the characteristic information carried by the target control signal.
In another embodiment, the adjusting the voltage output by the voltage source based on the target control signal to obtain the target voltage with the target characteristic parameter is:
and carrying out superposition adjustment on a sampling signal of the voltage source output voltage based on the target control signal to obtain a target voltage, wherein the target voltage carrying the target characteristic parameter and the target control signal carrying the characteristic information are mutually in phase reversal.
In some embodiments, the voltage adjacent to the target voltage is a dc constant voltage, and the characteristic information includes a voltage life cycle of the continuous dc voltage that varies periodically.
In some embodiments, the frequency of the target voltage is less than the frequency of the voltage source input voltage.
In some embodiments, at least two time segments are included in one cycle of the target voltage, and the relationship between the target voltage value and the time in each time segment is a continuous function which changes monotonously.
In some embodiments, at least four time segments are included in one cycle of the target voltage, wherein the relationship between the value of the target voltage and the time in two of the time segments is a continuous function changing monotonically, and the relationship between the value of the target voltage and the time in the other two of the time segments is a constant.
In some embodiments, the target voltage value fluctuates by less than 10% of the average value of the target voltage.
In another aspect, the present application further provides an adjusting apparatus of a lighting system, the adjusting apparatus of the lighting system including:
the instruction acquisition module is used for acquiring an illumination adjustment instruction, wherein the illumination adjustment instruction carries at least one illumination adjustment parameter;
the target characteristic parameter acquisition module is used for determining a target characteristic parameter corresponding to the at least one illumination adjusting parameter based on a preset relation between the illumination adjusting parameter and the voltage characteristic parameter;
the target control signal acquisition module is used for generating a target control signal corresponding to the illumination adjusting instruction according to the target characteristic parameter;
and the adjusting module is used for adjusting the voltage output by the voltage source based on the target control signal to obtain a target voltage carrying the target characteristic parameter, wherein the target voltage is a continuous function of time and is a periodic function of time.
In another aspect, the present application further provides an intelligent recognition device, where the device includes a processor and a memory, where the memory stores at least one instruction or at least one program, and the at least one instruction or the at least one program is loaded and executed by the processor to implement the intelligent recognition method for bionic fruit flies as described above.
In another aspect, the present application further provides a computer storage medium, where at least one instruction or at least one program is stored in the storage medium, and the at least one instruction or the at least one program is loaded and executed by a processor to implement the above method for intelligently identifying bionic fruit flies.
Due to the technical scheme, the adjusting method of the lighting system has the following beneficial effects:
1. according to the adjusting method of the lighting system, the target voltage with the target voltage characteristic parameters is obtained, the control of the post-stage circuit is achieved, meanwhile, the target voltage is a continuous function of time, the voltage can be prevented from being in a chopping state, sudden change of a voltage value is avoided, and influence of voltage change on a load device is reduced.
2. According to the adjusting method of the lighting system, the adjacent voltage value of the continuous direct-current voltage with periodic change is set as the direct-current constant voltage, the change of the voltage amplitude is further reduced, and the influence of the voltage change on the load device is reduced.
3. According to the adjusting method of the lighting system, the frequency of the target voltage is smaller than the frequency of the voltage source input voltage, so that the target voltage can be accurately identified in the subsequent identification process, and the accuracy of identification of the adjusting instruction is improved.
Drawings
In order to more clearly illustrate the technical solution of the present application, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic diagram of a prior art illumination-adjusted toning system;
fig. 2 is a schematic flowchart of an adjusting method of an illumination system according to an embodiment of the present disclosure;
fig. 3 is a schematic view of an application scene structure of an adjusting method of an illumination system according to an embodiment of the present application;
fig. 4 is a schematic shape diagram of a target voltage in a method for adjusting an illumination system according to an embodiment of the present application;
fig. 5 is a schematic diagram illustrating a shape of a target voltage in a method for adjusting an illumination system according to an embodiment of the present application;
fig. 6 is a schematic diagram illustrating a shape of a target voltage in a method for adjusting an illumination system according to an embodiment of the present application;
fig. 7 is a schematic diagram illustrating a shape of a target voltage in a method for adjusting an illumination system according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a rear-stage load circuit to which a regulation method of a lighting system according to an embodiment of the present application is applied;
fig. 9 is a schematic structural diagram of a rear-stage load circuit to which a regulation method of a lighting system according to an embodiment of the present application is applied;
fig. 10 is a schematic structural diagram of an adjusting device of an illumination system according to an embodiment of the present application;
fig. 11 is a hardware block diagram of an adjusting method of a lighting system according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be implemented in sequences other than those illustrated or described herein.
With reference to fig. 2, a method for adjusting an illumination system provided in an embodiment of the present application is described, where the method includes:
s1, acquiring an illumination adjusting instruction, wherein the illumination adjusting instruction carries at least one illumination adjusting parameter; the illumination adjusting instruction is an instruction sent by a user under the condition of adjusting the illumination system, and can be an operation of rotating an illumination adjusting knob or a voice control instruction; the lighting adjustment parameters include, but are not limited to, illumination intensity, illumination color, and adjustment information with the illumination intensity and the illumination color.
In the specific embodiment of the present application, in the case that the load circuit of the lighting system includes three spectrums, the adjustment instruction may be a switching adjustment of one of the spectrums, an illumination intensity adjustment of a certain spectrum, or an illumination intensity adjustment of multiple spectrums; that is, the adjustment instruction may be to adjust one load light source, or may be to adjust different and/or same illumination intensities of multiple load light sources.
S2, determining a target voltage characteristic parameter corresponding to at least one lighting adjusting parameter based on the preset relation between the lighting adjusting parameter and the voltage characteristic parameter; the target voltage is continuous direct-current voltage which changes periodically, the characteristic parameters of the target voltage include but are not limited to the frequency, the period, the maximum value, the minimum value, the rising time and the falling time of the continuous direct-current voltage which changes periodically, and the lighting adjustment parameters correspond to the characteristic parameters of the target voltage one to one; for example, the illumination intensity corresponds to the maximum value of the continuous dc voltage that varies periodically, and specifically, in the case where the illumination intensity is 20lux, the corresponding maximum value of the voltage is 50.2V.
In some embodiments, the target voltage characteristic parameter further includes an operation value between parameters of the continuous direct current voltage which changes periodically, such as a ratio of a rising time to a period, a ratio of a falling time to a period, and a difference between a maximum value and a minimum value.
S3, generating a target voltage control signal corresponding to the illumination adjustment instruction according to the target voltage characteristic parameter, wherein the target control signal carries characteristic information corresponding to the target voltage characteristic parameter; the characteristic information and the target voltage characteristic parameter may be the same or opposite.
S4, adjusting the output voltage of the voltage source based on the target voltage control signal to obtain a target voltage carrying target voltage characteristic parameters, wherein the voltage value of the target voltage is a continuous function of time and is a periodic function of time.
The "voltage value of the target voltage is a continuous function of time" refers to: in one period T of the target voltage, the target voltage is a continuous function of time instead of a step function, so that the target voltage value is not suddenly changed, and the problems of EMI and the like caused by sudden voltage change can be avoided; further, the target voltage may also be: in one period T, at least two time periods are included, and the target voltage is a continuous function of monotone change in the time periods.
In a specific embodiment of the present application, referring to fig. 3, the adjusting method of the lighting system in the present application is applied to a control unit, the control unit is connected to a voltage source, and the voltage source output voltage is an output voltage of the voltage source for converting electrical energy of an input voltage (e.g., a power grid voltage, etc.) into a direct current; the target voltage is a voltage value output to the bus by the voltage source; the voltage source internally comprises a main circuit and a voltage ring, wherein the main circuit is used for converting power input by an input power supply into direct-current voltage and outputting the direct-current voltage to a rear-stage load circuit through a bus; the voltage ring is connected with the control unit and used for controlling the voltage source to output voltage based on the target voltage control signal output by the control unit so as to generate target voltage; the voltage loop controls the power of the main circuit to enable a sampling signal of the voltage loop to be equal to a preset reference signal, so that the size of the target voltage is controlled, and therefore the target control signal can be generated and superposed on the reference signal or the sampling signal to obtain the target voltage carrying characteristic parameters of the target voltage.
In the embodiment of the application, the target voltage can provide power for the load of the later stage circuit and can also transmit the regulating instruction.
In one embodiment, assuming that the load circuit of the lighting system comprises a red LED load branch and a yellow LED load branch, a certain adjustment instruction comprises reducing the current of the red LED load branch to 80% of the preset current value or the rated current value and reducing the current of the yellow LED load branch to 60% of the preset current value or the rated current value; the lighting adjusting parameters are the ratio of the current value of the red branch to a preset current value (rated current value), and the ratio of the current value of the yellow branch to the preset current value (rated current value); the lighting adjustment parameter and the voltage characteristic parameter have the corresponding relation: the ratio between the current value of the red branch and a preset current value (rated current value) corresponds to the duty ratio of the target voltage, and the ratio between the current value of the yellow branch and the preset current value (rated current value) corresponds to the maximum value of the target voltage; wherein, the duty ratio of the target voltage is defined as the ratio of the rise time of the target voltage to the period; and obtaining a preset numerical relation, wherein the target voltage characteristic parameter corresponding to the regulating instruction is that the duty ratio of the target voltage is 80%, and the maximum value of the target voltage is 50.1V.
In a specific embodiment, it is assumed that the target voltage characteristic parameter corresponding to a certain regulating instruction is that the frequency of the target voltage is 12HZ and the duty ratio of the target voltage is 40%; under the condition that the target voltage control signal is used for being superposed on the reference signal, the target voltage control signal is output to a verf reference end, the characteristic information of the target voltage control signal is consistent with the target voltage characteristic parameter of the target voltage, namely, the frequency of the target voltage control signal is 12HZ, and the duty ratio of the target voltage control signal is 40%; and under the condition that the target voltage control signal is superposed on the sampling signal, the target voltage control signal is output to the Vc feedback end, the target voltage control signal and the target voltage are mutually in phase reversal, namely the frequency of the target voltage control signal is 12HZ, and the duty ratio of the target voltage control signal is 60%.
In some embodiments, S4 includes:
s401, performing superposition adjustment on a reference signal of the voltage source output voltage based on a target control signal to obtain a target voltage, wherein a target characteristic parameter carried by the target voltage is the same as characteristic information carried by the target control signal; after the target control signal and the reference signal are subjected to signal superposition, the reference signal can carry corresponding characteristic information, then the main circuit generates a target voltage based on the reference signal and the sampling signal, and the target voltage carries the characteristic information in the reference signal; that is, the target characteristic parameter of the target voltage coincides with the characteristic information of the target control signal.
In another embodiment, S4 includes:
s403, superposing and adjusting the sampling signal of the voltage source output voltage based on the target control signal to obtain a target voltage, wherein the target voltage carrying the target characteristic parameter and the target control signal carrying the characteristic information are in phase reversal with each other; and then the main circuit generates a target voltage based on the reference signal and the sampling signal, wherein the target voltage carries information opposite to the characteristic information in the sampling signal, namely the target voltage carrying the target characteristic parameter and the target control signal carrying the characteristic information are in phase reversal with each other.
In the embodiment of the application, the voltage adjacent to the target voltage is a direct current constant voltage, and the characteristic information comprises a voltage life cycle of continuous direct current voltage which changes periodically; the periodically varying continuous dc voltage may be a voltage value having a voltage life cycle, for example, 100 cycles may be one voltage life cycle; the voltage values before and after the voltage life cycle are direct current constant voltages, stable direct current constant voltages are provided by reducing the change frequency of the voltage values, the influence of the changed voltage values on the rear-stage load is reduced, and the illumination adjusting system is prevented from being out of order.
In another embodiment of the present application, the target voltage is a plurality of adjacent continuous dc voltages with periodic variation, and characteristic parameters of the target voltage between the continuous dc voltages with different periodic variations are not completely the same; the continuous control of a plurality of lighting adjustment commands in a short time can be realized by a plurality of continuous direct-current voltages that change in adjacent cycles.
In the embodiment of the application, the frequency of the target voltage is less than that of the input voltage of the voltage source; the output voltage value of the voltage source has ripples, and the ripple frequency is twice of the input voltage frequency of the voltage source; for example, when the input end of the voltage source is connected to the power grid, the frequency of the national power grid voltage is 50HZ, and the ripple frequency of the output voltage value of the voltage source is 100 HZ; by making the frequency of the target voltage smaller than the frequency of the input voltage of the voltage source, for example, smaller than 50Hz, the relatively high frequency 100Hz output voltage frequency is filtered out in the subsequent identification process, the lower frequency target voltage frequency is reserved, the target voltage can be accurately identified, and the accuracy of the identification of the adjustment instruction is improved.
In some embodiments, the target voltage may also be: in one period T, at least two time segments are included, and the target voltage in the time segments is a continuous function changing monotonously, such as a triangular wave voltage; the triangular wave has slower rising and falling time, and can effectively improve the transmission precision of the illumination adjusting instruction; in addition, the voltage parameter change difference based on the triangular wave is small, the influence of the small change difference on the rear-stage load is small, the chopping state of the voltage value is avoided, and the influence of the voltage mutation on the load device is further reduced.
In some embodiments, the target voltage value has a fluctuation range of less than 10% of the target voltage average value; namely, the difference value between the maximum value and the minimum value of the target voltage does not exceed 10% of the average value of the target voltage, the fluctuation range of the maximum value and the minimum value of the bus voltage is set in a smaller range, the influence on a rear-stage multipath load is reduced, and the problem of impact current or EMI (electro-magnetic interference) of an illumination adjusting system is avoided; the impact current refers to a large current generated in an electric appliance at a moment when the electric appliance supplies power, and the EMI problem refers to interference caused by the electronic product when the electronic product works on other peripheral electronic products.
In some embodiments, referring to fig. 4, a dc constant voltage is provided on both sides of the triangular wave voltage, and the triangular wave voltage is a voltage value carrying a target characteristic parameter; that is, the lighting adjustment command may be transmitted intermittently, the voltage value changes only when the lighting adjustment command is transmitted, and after the voltage life cycle of the triangular wave voltage is over, the voltage value before the next lighting adjustment command arrives is the dc constant voltage; for example, the voltage life cycle of the triangular wave voltage is set in the time period t1-t2, the voltage value is the triangular wave voltage, and the voltage value is the direct current constant voltage in the other time periods; by reducing the change frequency of the voltage value, stable direct-current constant voltage is provided, the influence of the changed voltage value on a rear-stage load is reduced, and the illumination adjusting system is prevented from being broken down.
In some embodiments, referring to fig. 5, two triangular wave voltages of different frequencies, rise times, fall times, maximum values and minimum values are adjacent, that is, one illumination adjustment command before t3 and another illumination adjustment command after t 3; two different illumination adjustment instructions can be in seamless connection, and the real-time performance of the adjustment and control of the illumination adjustment system is improved.
In some embodiments, referring to fig. 6, the target characteristic parameters include a maximum value, a minimum value, a change slope continuously decreasing from the maximum value to the minimum value, and a change slope continuously increasing from the minimum value to the maximum value of the triangular wave voltage; that is, the change of the voltage value between the maximum value and the minimum value is not limited to the linear change of the straight line, and may be other curve changes.
In some embodiments, at least four time segments are included in one cycle of the target voltage, wherein the relationship between the value of the target voltage and time in two time segments is a continuous function which changes monotonically, and the relationship between the value of the target voltage and time in the other two time segments is a constant.
The target voltage includes at least two time segments in one period T, in which the target voltage is a continuous function of monotonic change, for example, in the embodiments of fig. 5 and 6, the target voltage includes two time segments, in which the functional relationship between the target voltage and time has the characteristics of monotonic increase and monotonic decrease respectively. In the embodiment of fig. 7, the target voltage includes four time segments, wherein in two time segments, the functional relationship between the target voltage and the time has the characteristics of monotone increasing and monotone decreasing, respectively, and in the other two time segments, the value of the target voltage is a constant value, i.e., the functional relationship with the time is a constant.
In other embodiments, referring to fig. 7, the target characteristic parameters further include a maximum value duration and a minimum value duration of the triangular wave voltage, that is, the maximum value and the minimum value in the triangular wave voltage may last for a period of time instead of a point in time.
In one embodiment, the load circuit of the lighting system comprises a red LED load branch and a yellow LED load branch, and the adjustment instruction comprises reducing the current of the red LED load branch to 80% of the preset current value or the rated current value and reducing the current of the yellow LED load branch to 60% of the preset current value or the rated current value; the lighting adjusting parameters are the ratio of the current value of the red branch to a preset current value (rated current value), and the ratio of the current value of the yellow branch to the preset current value (rated current value); the lighting adjustment parameter and the voltage characteristic parameter have the corresponding relation: the ratio between the current value of the red branch and the preset current value (rated current value) corresponds to the duty ratio of the triangular wave voltage, and the ratio between the current value of the yellow branch and the preset current value (rated current value) corresponds to the maximum value of the triangular wave; the duty ratio of the triangular wave voltage is defined as the ratio of the rise time of the triangular wave voltage to the period; based on the preset numerical relationship, the target voltage characteristic parameter corresponding to the adjustment instruction is that the duty ratio of the triangular wave voltage is 80% and the maximum value of the triangular wave voltage is 50.1V.
In a specific embodiment, the target voltage characteristic parameter corresponding to the adjustment instruction may be that the frequency of the triangular wave voltage is 12HZ, and the duty ratio of the triangular wave voltage is 40%; under the condition that the target voltage control signal is used for being superposed on the reference signal, the target voltage control signal is output to a verf reference end, the characteristic information of the target voltage control signal is consistent with the target voltage characteristic parameter of the triangular wave voltage, namely, the frequency of the target voltage control signal is 12HZ, and the duty ratio of the target voltage control signal is 40%; when the target voltage control signal is superimposed on the sampling signal, the target voltage control signal is output to the Vc feedback terminal, and the target voltage control signal and the triangular wave voltage are in phase inversion, that is, the frequency of the target voltage control signal is 12HZ, and the duty ratio of the target voltage control signal is 60%.
In an embodiment, referring to fig. 8, the load circuit connected to the voltage source includes three paths of light source loads, a receiving control module and a switching tube, two ends of each light source load are connected in parallel to the output end of the voltage source, the light source loads are connected in series to the switching tube, the receiving control module is configured to receive the target voltage and analyze the target voltage to obtain an analysis result, and control the light source loads based on the analysis result.
In some embodiments, the switching tube may be replaced with a linear tube.
In some embodiments, referring to fig. 9, the light source load may be in parallel with the switching tube.
With reference to fig. 10, an adjusting apparatus of a lighting system according to an embodiment of the present application is described, where the adjusting apparatus of the lighting system includes:
the instruction acquisition module 101 is configured to acquire an illumination adjustment instruction, where the illumination adjustment instruction carries at least one illumination adjustment parameter;
a target characteristic parameter obtaining module 201, configured to determine a target characteristic parameter corresponding to at least one lighting adjustment parameter based on a preset relationship between the lighting adjustment parameter and the voltage characteristic parameter;
a target control signal obtaining module 301, configured to generate a target control signal corresponding to the lighting adjustment instruction according to the target characteristic parameter;
the adjusting module 401 is configured to adjust the voltage output by the voltage source based on the target control signal to obtain a target voltage with a target characteristic parameter, where the target voltage is a continuous function of time and is a periodic function of time.
In some embodiments, the adjustment module comprises:
and the reference signal superposition unit is used for carrying out superposition adjustment on the reference signal of the voltage source output voltage based on the target control signal to obtain a target voltage, wherein the target characteristic parameters carried by the target voltage are the same as the characteristic information carried by the target control signal.
And the sampling signal superposition unit is used for carrying out superposition regulation on the sampling signal of the voltage source output voltage based on the target control signal to obtain a target voltage, wherein the target voltage carrying the target characteristic parameter and the target control signal carrying the characteristic information are mutually in phase reversal.
The embodiment of the application also provides an intelligent recognition device, which comprises a processor and a memory, wherein at least one instruction or at least one program is stored in the memory, and the at least one instruction or the at least one program is loaded and executed by the processor to realize the intelligent recognition method for the bionic fruit fly.
The memory may be used to store software programs and modules, and the processor may execute various functional applications and data processing by operating the software programs and modules stored in the memory. The memory can mainly comprise a program storage area and a data storage area, wherein the program storage area can store an operating system, application programs needed by functions and the like; the storage data area may store data created according to use of the device, and the like. Further, the memory may include high speed random access memory, and may also include non-volatile memory, such as at least one hard disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, the memory may also include a memory controller to provide the processor access to the memory.
The method provided by the embodiment of the application can be executed in electronic equipment such as a mobile terminal, a computer terminal, a server or a similar arithmetic device. Fig. 11 is a block diagram of a hardware structure of an electronic device according to an image processing method provided in an embodiment of the present application. As shown in fig. 11, the electronic device 900 may have a relatively large difference due to different configurations or performances, and may include one or more Central Processing Units (CPUs) 910 (the processor 910 may include but is not limited to a Processing device such as a microprocessor MCU or a programmable logic device FPGA), a memory 930 for storing data, and one or more storage media 920 (e.g., one or more mass storage devices) for storing applications 923 or data 922. Memory 930 and storage media 920 may be, among other things, transient or persistent storage. The program stored in the storage medium 920 may include one or more modules, each of which may include a series of instruction operations for the electronic device. Still further, central processor 910 may be configured to communicate with storage medium 920 to execute a series of instruction operations in storage medium 920 on electronic device 900. The electronic device 900 may also include one or more power supplies 960, one or more wired or wireless network interfaces 950, one or more input-output interfaces 940, and/or one or more operating systems 921, such as Windows Server, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM, etc.
The input/output interface 940 may be used to receive or transmit data via a network. Specific examples of the network described above may include a wireless network provided by a communication provider of the electronic device 900. In one example, the input/output Interface 940 includes a Network adapter (NIC) that can be connected to other Network devices through a base station to communicate with the internet. In one example, the input/output interface 940 may be a Radio Frequency (RF) module, which is used for communicating with the internet in a wireless manner.
It will be understood by those skilled in the art that the structure shown in fig. 11 is only an illustration and is not intended to limit the structure of the electronic device. For example, electronic device 900 may also include more or fewer components than shown in FIG. 11, or have a different configuration than shown in FIG. 11.
The embodiment of the application also provides a storage medium, wherein at least one instruction or at least one program is stored in the storage medium, and the at least one instruction or the at least one program is loaded and executed by a processor to realize the intelligent identification method of the bionic fruit fly.
The foregoing description has disclosed fully embodiments of the present application. It should be noted that those skilled in the art can make modifications to the embodiments of the present application without departing from the scope of the claims of the present application. Accordingly, the scope of the claims of the present application is not to be limited to the particular embodiments described above.

Claims (10)

1. A method of adjusting a lighting system, the method comprising:
acquiring an illumination adjusting instruction, wherein the illumination adjusting instruction carries at least one illumination adjusting parameter;
determining a target voltage characteristic parameter corresponding to the at least one lighting adjustment parameter based on a preset relation between the lighting adjustment parameter and the voltage characteristic parameter;
generating a target voltage control signal corresponding to the illumination adjusting instruction according to the target voltage characteristic parameter, wherein the target control signal carries characteristic information corresponding to the target voltage characteristic parameter;
and adjusting the output voltage of the voltage source based on the target voltage control signal to obtain a target voltage carrying the characteristic parameter of the target voltage, wherein the target voltage is a continuous function of time and is a periodic function of time.
2. The method according to claim 1, wherein the adjusting the output voltage of the voltage source based on the target control signal obtains the target voltage carrying the target characteristic parameter as:
and performing superposition adjustment on a reference signal of the voltage source output voltage based on the target control signal to obtain a target voltage, wherein the target characteristic parameter carried by the target voltage is the same as the characteristic information carried by the target control signal.
3. The method according to claim 1, wherein the adjusting the output voltage of the voltage source based on the target control signal obtains the target voltage carrying the target characteristic parameter as:
and carrying out superposition adjustment on a sampling signal of the voltage source output voltage based on the target control signal to obtain a target voltage, wherein the target voltage carrying the target characteristic parameter and the target control signal carrying the characteristic information are mutually in phase reversal.
4. The method according to claim 1, wherein the voltage adjacent to the target voltage is a dc constant voltage, and the characteristic information includes a voltage life cycle of a continuous dc voltage that varies periodically.
5. The method of claim 1, wherein the target voltage has a frequency less than the frequency of the voltage source input voltage.
6. The method according to claim 1, wherein the target voltage has at least two time periods in one cycle, and the relationship between the target voltage and time in each time period is a continuous function changing monotonically.
7. The method according to claim 6, wherein the target voltage has at least four time segments in one cycle, wherein the relationship between the target voltage value and time in two of the time segments is a continuous function with a monotonous change, and the relationship between the target voltage value and time in the other two time segments is a constant.
8. The method of claim 1, wherein the target voltage value fluctuates by less than 10% of the average value of the target voltage.
9. An adjustment device for a lighting system, characterized in that the adjustment device for a lighting system comprises:
the instruction acquisition module is used for acquiring an illumination adjustment instruction, wherein the illumination adjustment instruction carries at least one illumination adjustment parameter;
the target characteristic parameter acquisition module is used for determining a target characteristic parameter corresponding to the at least one illumination adjusting parameter based on a preset relation between the illumination adjusting parameter and the voltage characteristic parameter;
the target control signal acquisition module is used for generating a target control signal corresponding to the illumination adjusting instruction according to the target characteristic parameter;
and the adjusting module is used for adjusting the voltage output by the voltage source based on the target control signal to obtain a target voltage carrying the target characteristic parameter, wherein the target voltage is a continuous function of time and is a periodic function of time.
10. A computer storage medium, characterized in that at least one instruction, at least one program, a set of codes, or a set of instructions is stored in the storage medium, which is loaded and executed by a processor to implement the method of adjusting a lighting system according to any one of claims 1-8.
CN202210229165.0A 2022-03-10 2022-03-10 Method and device for adjusting lighting system and computer storage medium Active CN114567951B (en)

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