CN115002983A - Lighting lamp, control method and device thereof, and computer-readable storage medium - Google Patents

Lighting lamp, control method and device thereof, and computer-readable storage medium Download PDF

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Publication number
CN115002983A
CN115002983A CN202210828948.0A CN202210828948A CN115002983A CN 115002983 A CN115002983 A CN 115002983A CN 202210828948 A CN202210828948 A CN 202210828948A CN 115002983 A CN115002983 A CN 115002983A
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Prior art keywords
light source
flame
expected
change
source array
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CN202210828948.0A
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CN115002983B (en
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何建国
黄学司
周向军
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Shenzhen Aitushi Innovation Technology Co ltd
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Aputure Imaging Industries Co Ltd
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/165—Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

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  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The embodiment of the application provides a lighting lamp, a control method and a control device thereof, and a computer-readable storage medium, wherein the lighting lamp comprises a plurality of point light sources, and the control method comprises the following steps: acquiring a flame period of a light source array, wherein the light source array comprises a plurality of point light sources; determining expected variation phases contained in the flame period according to the expected variation information of the light source array in the flame period, and determining a control strategy of the light source array in each expected variation phase; and controlling the light source array to change the light emitting state in the corresponding expected change stage according to the control strategy.

Description

Lighting lamp, control method and device thereof, and computer-readable storage medium
Technical Field
The present application relates to the field of lighting fixtures, and in particular, to a lighting fixture, a control method and apparatus thereof, and a computer-readable storage medium.
Background
The movie lamp is lighting equipment used in movie shooting, and can polish a shot object to realize different light effects. In the related art, when a film and television lamp displays flame lighting effect, the defect of insufficient simulation degree of real fire exists, and the shooting effect is poor.
Disclosure of Invention
The embodiment of the application provides an illuminating lamp, a control method and a control device of the illuminating lamp, and a computer readable storage medium, which can increase the simulation degree of the illuminating lamp on real flame light and realize more vivid flame light effect.
In a first aspect, an embodiment of the present application provides a control method for a lighting fixture, where the lighting fixture includes a plurality of point light sources, the control method includes: acquiring a flame period of a light source array, wherein the light source array comprises a plurality of point light sources; determining expected variation phases contained in the flame period according to the expected variation information of the light source array in the flame period, and determining a control strategy of the light source array in each expected variation phase; and controlling the light source array to change the light emitting state in the corresponding expected change stage according to the control strategy.
In some embodiments, determining an expected variation phase included in the flame cycle according to the expected variation information of the light source array in the flame cycle comprises: determining a change trend time sequence contained in the expected change information; and dividing the flame period into a plurality of time segments according to the variation trend time sequence, wherein each time segment is an expected variation stage.
In some embodiments, determining a control strategy for the light source array in each expected variation phase according to the expected variation information of the light source array in the flame period comprises: determining a main flame light source and an edge flame light source in each expected change stage according to the expected change information, wherein the main flame light source is a point light source which participates in flame luminescence and keeps on all the time in the expected change stage in the light source array, and the edge flame light source is a point light source which participates in flame luminescence and changes on and off in the expected change stage in the light source array; and determining the change gradient of the main flame light source and the change gradient of the side flame light source to obtain a control strategy for the light source array in a corresponding expected change stage.
In some embodiments, determining the main flame light source and the side flame light source within each of the expected variation phases from the expected variation information comprises: determining the total flame distribution of the light source array in the expected change stage according to the expected change information; determining a point light source which keeps on lighting at the starting time and the tail end time of the expected change stage in the total flame distribution, and taking the point light source as a main flame light source of the expected change stage; and determining a point light source which is kept on only at the starting time or the end time of the expected change stage in the total flame distribution as an edge flame light source of the expected change stage.
In some embodiments, determining the gradient of variation of the main flame light source comprises: acquiring an initial parameter and a target parameter of the main flame light source in a corresponding expected change stage; and determining the change gradient of the main flame light source according to the time length of the expected change stage, the initial parameter and the target parameter of the main flame light source in the corresponding expected change stage.
In some embodiments, determining the gradient of variation of the edge flame light source comprises: determining whether the edge-flame light source remains illuminated at the start time of the corresponding expected variation phase; in response to determining that the edge-flame light source remains illuminated at the start of the corresponding expected variation phase, then: acquiring the initial parameter and the variation duration of the side-flame light source in the expected variation phase; determining the change gradient of the side flame light source according to the initial parameter and the change duration of the side flame light source in the expected change stage; in response to determining that the edge-flame light source remains extinguished at the beginning of the corresponding expected variation phase, then: acquiring target parameters of the main flame light source in the expected change stage; and determining the change gradient of the side-flame light source according to the time length of the expected change stage and the target parameter of the main-flame light source in the expected change stage.
In some embodiments, prior to acquiring the flame period of the array of light sources, the control method further comprises: and combining the plurality of point light sources to form at least one light source array.
In some embodiments, after acquiring a flame period of a light source array, before determining expected variation phases included in the flame period and a control strategy for the light source array in each expected variation phase according to expected variation information of the light source array in the flame period, the control method further includes: selecting expected variation information of the array of light sources within the flame period in an expected variation information base.
In a second aspect, an embodiment of the present application provides a control device for a lighting fixture, including: an acquisition circuit configured to acquire a flame period of the array of light sources; a control circuit configured to control operation of the following for at least one of the flame cycles; determining expected variation phases contained in the flame period according to the expected variation information of the light source array in the flame period, and determining a control strategy of the light source array in each expected variation phase; and controlling the light source array to emit light in the corresponding expected variation phase according to the control strategy.
In some embodiments, the control circuit comprises: a determination sequence sub-circuit configured to determine a time sequence of change trends contained in the expected change information; the segment dividing sub-circuit is configured to divide the flame period into a plurality of time segments according to the variation trend time sequence, and each time segment is used as an expected variation phase.
In a third aspect, an embodiment of the present application provides an illumination lamp, including a lamp body, a memory and a processor, where the lamp body is provided with a plurality of point light sources, the plurality of point light source arrays form at least one light source array, the memory stores a computer program, and the computer program is executed by the processor to implement the control method according to any of the above embodiments.
In a fourth aspect, the present application provides a computer-readable storage medium, on which a computer program is stored, where the computer program is loaded by a processor to execute the steps in the control method described in any one of the above embodiments.
According to the embodiment of the application, the flame period of the light source array is set, so that the light source array periodically finishes different flame light effects to simulate the jumping change characteristic of real flame; and then subdividing at least one flame period into different expected change stages, and adopting a targeted control strategy in each expected change stage to carry out refined dynamic control on the light emitting state of the light source array, and further continuously forming the flame light effect of a complete flame period by the flame light effect generated in each expected change stage.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flow chart of a method of controlling a lighting fixture provided by some embodiments of the present application;
FIG. 2 is a block diagram of a light fixture according to some embodiments of the present application;
FIG. 3 is another block diagram of a light fixture provided in some embodiments of the present application;
fig. 4 is a partial flow chart of a method of controlling a lighting fixture provided by some embodiments of the present application;
fig. 5 is another partial flow chart of a method of controlling a lighting fixture provided by some embodiments of the present application;
FIG. 6 is a display state diagram of a lighting fixture at a starting time of an expected change phase provided by some embodiments of the present application;
FIG. 7 is a display state diagram of a lighting fixture at an end time of an expected change phase provided by some embodiments of the present application;
FIG. 8 is a partial flow diagram of a method of controlling a lighting fixture according to some embodiments of the present application;
FIG. 9 is another display state diagram of a lighting fixture at the beginning of an expected change phase according to some embodiments of the present application;
FIG. 10 is another display state diagram of a lighting fixture provided by some embodiments of the present application at an end time of an expected change phase;
FIG. 11 is a partial flow diagram of a method of controlling a lighting fixture according to some embodiments of the present application;
fig. 12 is a partial flow chart of a method of controlling a lighting fixture according to some embodiments of the present application;
fig. 13 is a partial flow diagram of a method of controlling a lighting fixture according to some embodiments of the present application;
FIG. 14 is still another partial flow diagram of a method of controlling a lighting fixture according to some embodiments of the present application;
FIG. 15 is a block diagram of a control device for a light fixture according to some embodiments of the present application;
FIG. 16 is a partial block diagram of a control device for a light fixture according to some embodiments of the present application;
fig. 17 is a block diagram of a lighting fixture according to some embodiments of the present disclosure.
Description of the main element symbols:
10-lighting fixture, 101-fixture body, 101 a-point light source, 101a ' -main flame light source, 101a "-side flame light source, 101a ' ' ' -background light source, 101' -light source array, 102-memory, 103-processor, 20-control means, 21-acquisition circuit, 22-control circuit, 221-determining sequence sub-circuit, 222-dividing segment sub-circuit.
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.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered limiting of 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
"A and/or B" includes the following three combinations: a alone, B alone, and a combination of A and B.
The use of "adapted to" or "configured to" in this application means open and inclusive language that does not exclude devices adapted to or configured to perform additional tasks or steps. Additionally, the use of "based on" means open and inclusive, as a process, step, calculation, or other action that is "based on" one or more stated conditions or values may in practice be based on additional conditions or values beyond those stated.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes are not set forth in detail in order to avoid obscuring the description of the present application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
As shown in fig. 1, the embodiment of the application provides a control method of a lighting fixture, which includes S10-S20, and can increase the simulation degree of the lighting fixture 10 on real fire light, and realize more vivid flame lighting effect. Here, the type of the lighting fixture 10 may be determined according to actual needs, and a movie lamp or other fixture types may be adopted, which is not limited in the embodiments of the present application.
S10: the flame period of the light source array 101' is acquired.
As shown in fig. 2 to 3, the lighting fixture 10 includes a plurality of point light sources 101a, and each point light source 101a can independently perform light emitting display; each point light source 101a may be a single light emitting device, or may be a light emitting module formed by a plurality of light emitting devices, which is not limited in this embodiment of the application. The light source array 101 'is disposed on the lighting fixture 10, and the light source array 101' includes a plurality of point light sources 101 a; in other words, a plurality of point light sources 101a on the lighting fixture 10 may form at least one light source array 101'.
In some examples, when the light source array 101 'includes a plurality of point light sources 101a, the point light sources 101a belonging to the same light source array 101' are adjacently disposed. As shown in fig. 2, in some examples, when the lighting fixture 10 is a rod lamp including only one row of point light sources 101a, the light source array 101' may include one point light source 101a or a plurality of point light sources 101a sequentially adjacently disposed along an extending direction of the rod lamp. In other examples, as shown in fig. 3, when the lighting fixture 10 is a row-column lamp including a plurality of rows and columns of point light sources 101a, the light source array 101' may include one point light source 101a or a plurality of point light sources 101a adjacently arranged in any direction.
The flame period of the light source array 101' is the time required for the light source array 101' to complete a flame light effect, and the change frequency of the flame light effect is reciprocal to represent the change speed of the light emitting state of the light source array 101 '. When the flame period of the light source array 101 'is short, the change frequency of the flame light effect to be realized by the light source array 101' is high, and the duration of a single flame light effect is short; when the flame period of the light source array 101 'is long, the change frequency of the flame light effect to be realized by the light source array 101' is low, and the duration of the single flame light effect is long. It should be noted that, in different flame cycles, the light emitting states of the light source arrays 101 'and the variation rules thereof may be the same or different, so that the light emitted by the light source arrays 101' may exhibit the same or different light and shadow effects in different flame cycles.
The flame period of the light source array 101' can be obtained in different manners, which is not limited in the embodiments of the present application. In some embodiments, the frequency of changes in the flame period/flame light effect of the light source array 101' may be preset in the lighting fixture 10, for example, a single preset value or an alternative series of preset values may be set for direct use; accordingly, the single preset value may be directly obtained as the flame period of the light source array 101', or a value selected by a user from a series of preset values may be obtained as the flame period of the light source array 101'. In other embodiments, the frequency of change of flame period/flame light effect of the light source array 101' may not be preset, but rather may be input by the user on-site at the time of use; accordingly, a user's field input value may be obtained as the flame period of the light source array 101'.
In a flame period, the point light source 101a in the light source array 101 'is used for carrying out light-emitting change of bright and dark brightness, so that the light emitting of the light source array 101' presents flickering change of intensity and/or shape, and the jumping change characteristic of real fire light can be simulated; thus, when the light emitted from the light source array 101' is irradiated on the photographic subject, the effect of the irradiation of the fire light can be more realistically exhibited.
For at least one flame period, control operations are performed as S20-S30.
S20: according to the expected change information of the light source array 101 'in the flame period, the expected change phases contained in the flame period are determined, and the control strategy of the light source array 101' in each expected change phase is determined.
The expected change information of the light source array 101 'in the flame period may reflect an expected change of the lighting state of the light source array 101' in the flame period, the lighting state of the light source array 101 'including at least one of the current flame distribution, luminous flux and color temperature of the light source array 101'; here, the current flame distribution of the light source array 101 'refers to the number and distribution positions of the point light sources 101a in which the flames emit light at the current time, and by changing the number and distribution positions of the point light sources 101a which emit light, the shape of the flame light effect formed by the light emitted from the light source array 101' can be changed.
According to the expected change information, the expected change of the shape/luminous flux/color temperature of the flame light effect formed by the light emitted by the light source array 101' in the flame period can be determined, and the change stage required to be undergone by realizing the corresponding expected change, namely the expected change stage. The number of the expected change stages included in the flame period can be determined according to actual needs, and can be one or more, which is not limited in the embodiment of the present application. The shape of the flame light effect depends on the current flame distribution of the light source array 101', the luminous flux of the flame light effect depends on the luminous flux of the light source array 101', and the color temperature of the flame light effect depends on the luminous color temperature of the light source array 101 '. When the luminous flux of the light source array 101' is large, the luminous flux of the flame lighting effect is large, so that the flame lighting effect presents a bright and dazzling light shadow effect, and strong fire light can be simulated; when the luminous flux of the light source array 101' is small, the luminous flux of the flame lighting effect is small, so that the flame lighting effect presents a dim and weak light and shadow effect, and weak fire light can be simulated.
At each expected variation phase, the light source array 101' will perform the expected variation with a variation gradient; here, the variation gradient of the light source array 101' may be a shape variation gradient, a luminous flux variation gradient, or a color temperature variation gradient, including a variation direction and a variation rate. In an expected change phase of the shape, the current flame distribution of the light source array 101' is expected to change according to the change direction and the change rate defined by the shape change gradient; during a phase of expected variation with respect to the luminous flux, the light source array 101' will make the expected variation according to the variation direction and the variation rate defined by the gradient of luminous flux variation; and in a desired variation phase with respect to the color temperature, the light source array 101' will be subject to a desired variation in the variation direction and the variation rate defined by the gradient of the color temperature variation.
Taking the expected change of the luminous flux of the flame light effect in the flame period as an example, if the light source array 101' is expected to show the continuous brightening change according to the same change gradient in the flame period, the flame period only includes one expected change phase and one luminous flux change gradient, and the change direction of the luminous flux change gradient is the luminous flux increase. As another example, if the light source array 101 'is expected to need to exhibit a change of first slow brightness and then fast brightness within the flame cycle, the flame cycle includes two expected variation phases of the light flux and two light flux variation gradients, the two expected variation phases of the light flux are sequentially a phase of slow increase of the light flux of the light source array 101' and a phase of fast increase of the light flux, and both light flux variation gradients include a change direction of the light flux increase but include a change rate different from each other. As another example, if the light source array 101 'is expected to change from bright to dark within the flame cycle, the flame cycle includes two expected variation phases with respect to the luminous flux, which are a phase in which the luminous flux of the light source array 101' gradually increases and a phase in which the luminous flux gradually decreases, and two luminous flux variation gradients, which include a variation direction in which the luminous flux increases and the luminous flux decreases. As another example, if the light source array 101 'is expected to change from dark to light in the flame cycle, the flame cycle also includes two expected variation phases of the luminous flux and two luminous flux variation gradients, the two expected variation phases of the luminous flux are sequentially a phase in which the luminous flux of the light source array 101' gradually decreases and a phase in which the luminous flux gradually increases, and the two luminous flux variation gradients include a variation direction of the luminous flux decreasing and the luminous flux increasing sequentially. As another example, if the light source array 101 'is expected to change from dark to light and then dark in the flame cycle, the flame cycle includes three expected change phases of the luminous flux, which are a phase in which the luminous flux of the light source array 101' gradually decreases, a phase in which the luminous flux gradually increases, and a phase in which the luminous flux gradually decreases again, and three luminous flux change gradients, which include a change direction of the luminous flux decreasing, the luminous flux increasing, and the luminous flux decreasing in this order.
Similarly, taking the expected change of the shape of the luminous effect of the flame in the flame period as an example, if the current flame distribution of the light source array 101 'is expected to change from large to small in the flame period, the flame period includes two expected change stages related to the shape and two shape change gradients, the two expected change stages related to the shape are sequentially a stage in which the number of the point light sources 101a performing flame luminescence in the light source array 101' is gradually increased and a stage in which the number of the point light sources 101a performing flame luminescence in the light source array 101 'is gradually decreased, and the change directions included in the two shape change gradients are sequentially that the number of the point light sources 101a performing flame luminescence is increased and the number of the point light sources 101a performing flame luminescence is decreased, so that the number of the point light sources 101a performing flame luminescence in the light source array 101' is increased and then decreased; for another example, if the current flame distribution of the light source array 101 'is expected to exhibit a change of moving to the left first and moving to the right second within the flame cycle, the flame cycle includes two expected change stages with respect to the shape and two shape change gradients, the two expected change stages with respect to the shape are a stage in which the current flame distribution position of the light source array 101' gradually moves to the left and a stage in which the current flame distribution position of the light source array 101 'gradually moves to the right, and the change directions included in the two shape change gradients are a stage in which the current flame distribution position gradually moves to the left and a stage in which the current flame distribution position gradually moves to the right, so that the position of the point light source 101a in the light source array 101' emitting the flame first moves to the left and then moves to the right. For other situations of the shape/color temperature change of the flame light effect, please refer to the corresponding situation of the light flux change of the flame light effect, which is not described herein again. It should be noted that the expected variation phase for the luminous flux, the expected variation phase for the shape and the expected variation phase for the color temperature belong to different types of expected variation phases, respectively; the different types of expected change phases remain independent of each other, i.e., the different types of expected change phases may or may not occur simultaneously, and the different types of expected change phases may or may not last for equal lengths of time.
After determining the expected variation phases included in the flame cycle, a control strategy for the light source array 101' in each expected variation phase can be determined, so as to perform targeted control on each expected variation phase, and achieve the corresponding expected variation purpose. For expected change stages with the same type but different time sequences, different control strategies can be adopted to realize the fine control of the different expected change stages; for different types of expected change phases, different control strategies can be adopted to realize fine control on the different types of expected change phases. For example, if a characteristic of flame light effect in only one aspect of shape/luminous flux/color temperature is expected to change in the flame cycle, the flame cycle only includes one type of expected change stage, and corresponding control can be performed only on the characteristic in each expected change stage of the type, so as to determine a corresponding control strategy; for example, if the flame light effect is expected to change only in luminous flux, the flame period only contains expected change phases related to the luminous flux, and the luminous flux control strategy only for the luminous flux can be determined by correspondingly controlling the luminous flux in each expected change phase related to the luminous flux only. As another example, if at least two characteristics of the flame light effect in the shape/luminous flux/color temperature are expected to change in the flame period, the flame period includes at least types of expected change phases, and it is only necessary to perform corresponding control on each changed aspect characteristic in each expected change phase of the corresponding type of the aspect characteristic; for example, if the shape and the luminous flux of the expected flame light effect are changed, the flame period includes an expected change phase about the shape and an expected change phase about the luminous flux, the current flame distribution of the light source array 101 'can be controlled correspondingly in the expected change phase about the shape, the luminous flux of the light source array 101' can be controlled correspondingly in the expected change phase about the luminous flux, and a shape control strategy and a luminous flux control strategy for the shape and the luminous flux are determined respectively.
S30: the light source array 101' is controlled to change the lighting state in the corresponding expected change phase according to the determined control strategy. Therefore, the light source array 101' can realize corresponding change processes in different expected change stages, and can also realize staged fine luminous change in a flame period, so that the flame light effect is closer to the display characteristic of real flame light.
Compared with the prior art, the control method of the lighting lamp provided by the embodiment of the application firstly sets the flame period of the light source array 101 'to enable the light source array 101' to periodically complete different flame light effects so as to simulate the jumping change characteristic of real flame light; further, at least one flame period is subdivided into different expected change stages, a targeted control strategy is adopted in each expected change stage to carry out fine dynamic control on the light emitting state of the light source array 101', and then the flame light effect generated in each expected change stage is continuously formed into the flame light effect of a complete flame period, the change process is not easy to be observed by human eyes, so that the characteristic of continuous change is presented, the light emitting state of the light source array 101' is closer to the dynamic change of real flame, the flame light effect displayed by the lighting lamp 10 is closer to the display characteristic of the real flame, the simulation degree of the lighting lamp 10 on the real flame is increased, and the more vivid flame light effect is realized.
As shown in FIG. 4, in some embodiments, S20 may include S21~ S22.
S21: and determining a change trend time series contained in the expected change information.
All the changes of the light source array 101' expected to occur in a flame period occur sequentially according to the time sequence; the sequence formed by sequentially arranging all the change trends according to the sequence of the occurrence time of the change trends is the change trend time sequence. The time series of the change trends directly reflects the occurrence sequence of all the change trends and the time length of each change trend in the flame period.
S22: and dividing the flame period into a plurality of time segments according to the time sequence of the variation trend, wherein each time segment is an expected variation stage. According to the time sequence of the variation trends, the occurrence sequence of all the variation trends in a flame period and the proportion of the time length of each variation trend in the flame period can be determined; furthermore, the flame period can be divided along time lines, so that a complete flame period is subdivided into a plurality of time segments corresponding to the variation trend, each time segment corresponds to a variation trend, and the time segments can be taken as an expected variation stage.
Through S211~ S212, can realize the quick accurate division to the flame cycle, confirm all expected change stages that contain in the flame cycle to can carry out the fine control to every expected change stage, make the detail change of flame light efficiency can present, correspondingly increase the fidelity of illumination lamps and lanterns 10 to true flare, realize comparatively lifelike flame light efficiency.
In some embodiments, light source array 101' may include a plurality of point light sources 101a, and the flame cycle may include a plurality of expected variation phases; as shown in FIG. 5, here, S20 may include S23~ S24.
S23: the main flame light source 101a 'and the side flame light source 101a ″ of the light source array 101' in each expected variation phase are determined according to the expected variation information. As shown in fig. 6 to 7, the main flame light source 101a ' is a point light source 101a that participates in the light emission of the flame in the corresponding expected variation stage of the light source array 101' and keeps on lighting all the time, and the light emitted by the main flame light source 101a ' meets the requirement of the flame light effect, belongs to the component of the flame light effect, and does not occur or only occurs the light and shade variation; the edge light source 101a ' is a point light source 101a in the light source array 101' that participates in the light emission of the flame in the corresponding expected variation phase and can be changed in on/off, and the light emitted by the edge light source 101a ' meets the flame light effect requirement and belongs to the component of the flame light effect, but can be changed in on/off in the expected variation phase. Accordingly, by controlling the luminous flux/color temperature change of the main flame light source 101a ', the luminous flux/color temperature of the light source array 101' can be changed, thereby changing the luminous flux/color temperature of the flame light effect; by controlling the on/off variation of the side-flame light sources 101a ', the distribution position of the point light sources 101a lit in the light source array 101' can be changed, thereby changing the current flame distribution and the shape of the flame light effect of the light source array 101 '.
As shown in FIG. 8, in some examples, S23 may include S231~ S233 to quickly and accurately determine the main flame light source 101a' and the side flame light source 101a ″.
S231: the overall flame distribution of the light source array 101' over the expected variation phase is determined from the expected variation information. The total flame distribution refers to the sum of the point light sources 101a in the light source array 101' involved in the flame emission in the expected variation phase, and can be regarded as being formed by overlapping the current flame distributions at each moment in the expected variation phase. Here, the total flame distribution may be composed of only at least one of the main flame light source 101a 'and the side flame light source 101a ″ excluding other light sources than only the main flame light source 101a' and the side flame light source 101a ″. Illustratively, the light source arrays 101' may have the same or different overall flame distributions over different expected variation phases.
As shown in fig. 6 to 7, in an expected variation phase, if all the point light sources 101a in the light source array 101' participate in the flame luminescence, the total flame distribution of the light source array 101' in the expected variation phase is the whole point light sources 101a in the light source array 101 '. Accordingly, during the expected variation phase, the light source array 101 'may not include other point light sources 101a than only the main flame light source 101a' and the side flame light source 101a ″; illustratively, the light source array 101 'may consist of only the main flame light sources 101 a'; also illustratively, the light source array 101' may consist of only the edge flame light sources 101a ″; as another example, the light source array 101 'may consist of only the main flame light sources 101a' and the side flame light sources 101a ″.
Illustratively, in the example shown in FIGS. 6-7, the light source array 101' includes four point light sources 101 a; within the expected variation phase, the total flame distribution may include all four point light sources 101a of the light source array 101', while the current flame distribution at any time includes only the three point light sources 101a of the light source array 101' that are emitting flames.
As shown in fig. 9 to 10, in an expected variation phase, if not all the point light sources 101a in the light source array 101 'participate in the flame emission, the total flame distribution of the light source array 101' in the expected variation phase may be only composed of some point light sources 101a in the light source array 101', and the light source array 101' further includes other point light sources 101a that do not belong to the total flame distribution. Accordingly, during the expected variation phase, the light source array 101' includes other point light sources 101a in addition to the main flame light sources 101a ' and the side flame light sources 101a ″ in addition to at least one of the main flame light sources 101a ' and the side flame light sources 101a ″; here, the point light sources 101a other than the main flame light source 101a 'and the side flame light source 101a ″ may be referred to as background light sources 101a' ″. For example, in the expected variation phase, the above background light sources 101a ' ″ in the light source array 101' may be kept off all the time, so that the background environment of the flame lighting effect is black, and the light emitted by the light source array 101' is only composed of the flame lighting effect; further illustratively, during the expected variation period, the above-mentioned background light sources 101a ' ″ in the light source array 101' may be controlled to perform fixed light emission according to the preset luminous flux and luminous color temperature to provide a preset background light effect for the flame light effect, so that the light emission of the light source array 101' may be composed of the flame light effect and the background light effect to provide a richer light shadow effect.
Illustratively, in the examples shown in FIGS. 9-10, the light source array 101' includes five point light sources 101 a; in the expected variation phase, the total flame distribution may include the remaining four point light sources 101a of the light source array 101' except the background light source 101a ″, the current flame distribution at the start time of the expected variation phase includes only the three point light sources 101a (i.e., the three main flame light sources 101a ') emitting flames of the light source array 101', and the current flame distribution at the end time of the expected variation phase includes only the four point light sources 101a (i.e., the three main flame light sources 101a ' and the one edge flame light source 101a ″) emitting flames of the light source array 101 '.
S232: the point light source 101a remaining lit at both the start time and the end time of the expected variation phase in the total flame distribution is determined as the main flame light source 101a' of the expected variation phase.
As shown in fig. 6 to 7 and fig. 9 to 10, for a certain point light source 101a in the total flame distribution, if the point light source 101a is kept on at both the start time and the end time of the expected change phase, the point light source 101a only changes in brightness and darkness in the expected change phase, and the change will affect the luminous flux/color temperature of the flame light effect; in this way, the point light source 101a can be used as the main flame light source 101a' in the expected change stage, and the adjustment of the display attribute of the flame light effect is realized by controlling the luminous flux/color temperature in the expected change stage. For example, the current flame distribution of the light source array 101' at the beginning time of the expected variation phase and the current flame distribution thereof at the end time of the expected variation phase may be compared, and the overlapped part of the two current flame distributions may be used as the main flame light source 101a ' of the expected variation phase, so as to quickly determine the main flame light source 101a ' of the expected variation phase.
For example, if it is determined that the point light source 101a, which participates in the flame emission and is always kept on in the two successive expected change stages, is used as the main flame light source 101a' in the latter one of the two expected change stages. For ease of understanding, the first of two successive prospective variation phases may be referred to as a first prospective variation phase, and the last prospective variation phase may be referred to as a second prospective variation phase. Here, the end time of the first expected change phase is the start time of the second expected change phase; accordingly, the light emitting state of the light source array 101 'at the end time of the first expected variation phase is the light emitting state of the light source array 101' at the start time of the second expected variation phase.
As shown in fig. 6 to 7 and fig. 9 to 10, for a certain point light source 101a in the light source array 101', if the point light source 101a participates in the flame light emission in both the first expected change stage and the second expected change stage and keeps on all the time, the point light source 101a participates in the flame light emission in both the two expected change stages and only changes in brightness, and the change will affect the luminous flux/color temperature of the flame light effect; in this way, the point light source 101a can be used as the main flame light source 101a' in the second expected change stage, and the adjustment of the display attribute of the flame light effect is realized by controlling the luminous flux/color temperature in the second expected change stage. For example, the current flame distribution of the light source array 101' at the end time of the first expected variation phase and the current flame distribution thereof at the end time of the second expected variation phase may be compared, and the overlapped part of the two current flame distributions may be used as the main flame light source 101a ' of the second expected variation phase, so as to quickly determine the main flame light source 101a ' of the second expected variation phase.
S233: the point light source 101a in the total flame distribution that remains lit only at the start time or the end time of the expected variation phase is determined as the edge flame light source 101a ″ for the expected variation phase.
For a certain point light source 101a in the total flame distribution, if the point light source 101a is kept on only at the beginning or end of the expected change stage, the point light source 101a will be on or off changed in the expected change stage, and the change will affect the shape of the flame light effect; thus, the point light source 101a can be used as the side flame light source 101a' in the expected change stage, and the adjustment of the shape attribute of the flame light effect can be realized by controlling the on and off of the point light source in the expected change stage. For example, the current flame distribution of the light source array 101' at the starting time of the expected variation phase and the current flame distribution thereof at the end time of the expected variation phase may be compared, and the non-overlapping portion of the two current flame distributions may be used as the edge flame light source 101a ″ of the expected variation phase, so as to quickly determine the edge flame light source 101a ″ of the expected variation phase.
For example, for a certain point light source 101a in the light source array 101', if the point light source 101a participates in the flame emission only in the first expected change stage or the second expected change stage and keeps on only in the expected change stage participating in the flame emission all the time, it also shows that the point light source 101a will be on or off changed in the second expected change stage, and the change will affect the shape of the flame lighting effect; thus, the point light source 101a may be used as the edge flame light source 101a' in the second expected variation stage, and the shape attribute of the flame light effect may be adjusted by controlling the on/off of the point light source in the second expected variation stage. For example, the current flame distribution of the light source array 101' at the end time of the first expected variation phase and the current flame distribution thereof at the end time of the second expected variation phase may be compared, and the non-overlapping portion of the two current flame distributions may be used as the edge flame light source 101a ″ of the second expected variation phase, so as to quickly determine the edge flame light source 101a ″ of the second expected variation phase.
For example, the point light source 101a that participates in the flame emission only in the first expected variation phase and keeps on lighting all the time may be used as the side flame light source 101a ″ of the second expected variation phase; in the second expected variation phase, the side-flame light source 101a ' can be controlled to gradually decrease its luminous flux to zero, so that the side-flame light source 101a ' is finally completely extinguished, thereby realizing the extinguishing process control of the side-flame light source 101a '. As another example, the point light source 101a that participates in the flame emission only in the second expected change stage and keeps on lighting all the time may be used as the side-flame light source 101a ″ of the second expected change stage; in the second expected variation phase, the side-flame light source 101a ″ may be controlled to gradually increase its luminous flux to be consistent with the main-flame light source 101a', so as to control the lighting process of the side-flame light source 101a ″.
Here, the sequence of S232 to S233 may be determined according to actual needs, which is not limited in this embodiment of the present application. For example, S232 may be performed first, and then S233 may be performed; further illustratively, S233 may be performed first, and then S232 may be performed. S231-S233 allow the main flame light source 101a 'and the side flame light source 101a ″ to be accurately and quickly determined within a desired variation period, thereby enabling control of the main flame light source 101a' and the side flame light source 101a ″ respectively.
S24: the gradient of the main flame light source 101a 'and the gradient of the side flame light source 101a ″ are determined, and a control strategy for the light source array 101' in a corresponding expected variation stage is obtained. Here, the gradient of change of the main flame light source 101a 'includes a direction of change and a rate of change of the luminous flux of the main flame light source 101a', and the gradient of change of the side flame light source 101a ″ includes a direction of change and a rate of change of the luminous flux of the side flame light source 101a ″.
After the variation gradient of the main flame light source 101a 'and the variation gradient of the side flame light source 101a ″ are determined, the change of the brightness of the main flame light source 101a' and the change of the brightness of the side flame light source 101a ″ can be controlled by a certain value. For the main flame light source 101a ', the luminous flux of the main flame light source 101a' can be gently changed along the change gradient thereof, so that the luminous flux thereof can be changed from the initial value of the initial time in the expected change phase to the target value of the end time in the expected change phase; for the side-flame light source 101a ″ to be lit, the luminous flux of the side-flame light source 101a ″ may be gently changed along the gradient of the change thereof so as to gradually become lit from an off state at the start time in the expected change stage to a lit state in accordance with the luminous flux of the main-flame light source 101 a'; for the side-flame light source 101a ″ that needs to be extinguished, the luminous flux of the side-flame light source 101a ″ can be gently changed along the change gradient thereof, and gradually darkened from the lit state at the initial time in the expected change period to the extinguished state at the end time in the expected change period. Therefore, the main flame light source 101a 'and the side flame light source 101a ″ can be smoothly and continuously changed, so that the light emitting state of the light source array 101' is closer to the dynamic change of real flame, the flame lighting effect displayed by the lighting fixture 10 is closer to the display characteristic of real flame, the simulation degree of the lighting fixture 10 on the real flame is increased, and the more vivid flame lighting effect is realized.
Since the main flame light source 101a' mainly generates the luminous flux/color temperature change, the change of which affects the luminous flux/color temperature of the flame light effect, and the side flame light source 101a ″ mainly generates the on-off change, the change of which affects the shape of the flame light effect; the luminous flux/color temperature of the flame luminous effect is called as display attribute, and the shape of the flame luminous effect is called as shape attribute, so that the display attribute and the shape attribute of the flame luminous effect can be synchronously adjusted by respectively controlling the main flame light source 101a ' and the side flame light source 101a ' ' in the same expected change stage.
Through S23-S24, the main flame light source 101a ' and the side flame light source 101a ' ' in each expected change stage can be determined, then the main flame light source 101a ' and the side flame light source 101a ' ' are controlled in the same expected change stage respectively, synchronous adjustment of the display attribute and the shape attribute of the flame light effect is correspondingly realized, the flame light effect formed by light emission of the light source array 101' can simultaneously show shape change and luminous flux/color temperature change in one expected change stage, and then the flame light effects generated in each expected change stage are connected to form a complete flame light effect, the change process is not easy to be observed by human eyes, so that the characteristic of continuous change is presented, the flame light effect is closer to real flame light, and the simulation degree is higher.
As shown in FIG. 11, in some examples, S24 may include S241-S242 to determine the gradient of change of the main flame light source 101 a'.
S241: the starting and target parameters of the main flame light source 101a' are obtained during the corresponding expected variation phase. Here, the start parameter of the main flame light source 101a 'in the corresponding expected variation phase may include an initial light flux value of the main flame light source 101a' at the start time of the expected variation phase, and the target parameter of the main flame light source 101a 'in the corresponding expected variation phase may be a target light flux value of the main flame light source 101a' at the end time of the expected variation phase. When the color temperature of the main flame light source 101a ' changes in the corresponding expected change phase, the initial parameter of the main flame light source 101a ' in the corresponding expected change phase may further include an initial color temperature value of the main flame light source 101a ' at the initial time of the expected change phase, and the target parameter of the main flame light source 101a ' in the corresponding expected change phase may further include a target color temperature value of the main flame light source 101a ' at the end time of the expected change phase.
S242: determining the variation gradient of the main flame light source 101a 'according to the time length of the expected variation phase, the starting parameter and the target parameter of the main flame light source 101a' in the corresponding expected variation phase. Here, the difference between the target parameter and the starting parameter of the main flame light source 101a 'in the corresponding expected variation phase may be divided by the time length of the expected variation phase, and the quotient thereof may be used as the variation gradient of the main flame light source 101 a'; the sign of the quotient may represent a direction of change included in the gradient of change of the main flame light source 101a ', and an absolute value of the quotient may represent a rate of change included in the gradient of change of the main flame light source 101 a'.
As shown in FIG. 12, in some examples, S24 can include S241'— S243' to determine the gradient of variation of the edge flame light source 101a ″.
S241': it is determined whether the edge-flame light source 101a "remains lit at the beginning of the corresponding expected variation phase.
And S242': in response to determining that the edge flame light source 101a ″ remains illuminated at the beginning of the corresponding expected variation phase, S2421 'through S2422' may be performed. If the edge-flame light source 101a 'is kept on at the beginning of the corresponding expected variation phase, the edge-flame light source 101a' will undergo a variation process from on to off in the corresponding expected variation phase. Here, the starting parameter of the side-flame light source 101a ″ in the expected variation phase may include an initial luminous flux value thereof at the starting time of the expected variation phase, and the initial luminous flux value is not zero; the target parameter of the edge-flame light source 101a' in the expected variation phase may be a target luminous flux value at the end time of the expected variation phase, and the target luminous flux value is zero.
S2421': the starting parameters and the duration of the variation of the edge-flame light source 101a ″ over the expected variation phase are obtained. Here, the duration of the change of the side-flame light source 101a ″ refers to the time that elapses since the side-flame light source 101a ″ is continuously changed from on to off; the variation duration may be the entire time length of the expected variation phase, or may be only a partial time of the expected variation phase, which is not limited in the embodiment of the present application.
S2422': the gradient of the variation of the edge-flame light source 101a "is determined based on the starting parameters and the duration of the variation of the edge-flame light source 101 a" over the expected variation phase. Here, the difference obtained by subtracting the initial parameter of the edge flame light source 101a ″ in the corresponding expected variation phase from zero may be divided by the variation duration, and the quotient thereof is used as the variation gradient of the edge flame light source 101a ″; the sign of the quotient may characterize the direction of change contained in the gradient of change of the edge flame light source 101a ", and the absolute value of the quotient may characterize the rate of change contained in the gradient of change of the edge flame light source 101 a".
And S243': in response to determining that the edge flame light source 101a ″ remains extinguished at the beginning of the corresponding expected variation phase, S2431 'through S2432' can be performed. If the side-flame light source 101a 'is kept off at the beginning of the corresponding expected variation phase, the side-flame light source 101a' will undergo a variation process from off to on during the corresponding expected variation phase; the start parameter of the edge-flame light source 101a 'in the expected variation phase may include an initial luminous flux value at the start time of the expected variation phase and the initial luminous flux value is zero, and the target parameter of the edge-flame light source 101a' in the expected variation phase may include a target luminous flux value and a target color temperature value at the end time of the expected variation phase and the target luminous flux value is not zero.
S2431': target parameters of the main flame light source 101a' are acquired within a desired variation phase. Here, the target parameters of the side-flame light source 101a ″ in the expected variation phase and the target parameters of the main-flame light source 101a' in the expected variation phase may be made consistent to present a consistent light and shadow effect at the end time of the expected variation phase. Accordingly, the side-flame light source 101a ″ can be gradually changed from the extinguished state to the light-emitting state in accordance with the main-flame light source 101a', and the same target light flux value and target color temperature value can be exhibited.
S2432': the gradient of the variation of the edge flame light source 101a ″ is determined according to the time length of the expected variation phase and the target parameters of the main flame light source 101a' in the expected variation phase. Here, the starting parameter of the edge-flame light source 101a ″ in the corresponding expected variation phase may be divided by the variation duration, and the quotient thereof may be used as the variation gradient of the edge-flame light source 101a ″; the sign of the quotient may characterize the direction of change contained in the gradient of change of the edge flame light source 101a ", and the absolute value of the quotient may characterize the rate of change contained in the gradient of change of the edge flame light source 101 a".
The determination method of the light source array 101' may be determined according to actual needs, and is not limited in this embodiment. In some embodiments, the light source array 101' may be determined at the time of manufacture of the lighting fixture 10, and not changed during use of the lighting fixture 10. In other embodiments, the light source array 101' may not be defined when the lighting fixture 10 is manufactured, but may be temporarily divided before each activation of the flame effect mode, for example, by a user or randomly by the system, correspondingly increasing the functional versatility of the lighting fixture 10; as shown in fig. 13, before S10, the control method may further include S00.
S00: the plurality of point light sources 101a are combined to form at least one light source array 101'. In this way, multiple point light sources 101a can be combined before each activation of the flame effect mode to determine the light source array 101' for that use, making the flame effect of the light fixture 10 more versatile.
The expected variation information of the light source array 101' in the flame period can be determined in different ways, which is not limited by the embodiment of the present application. In some embodiments, a library of expected change information may be pre-established in the lighting fixture 10; when the flame light effect needs to be displayed, the selection can be carried out on site by a user from an expected change information base or randomly by the system. Accordingly, as shown in fig. 14, in some embodiments, after S10 and before S20, the control method may further include S10'.
S10': expected variation information for the light source array 101' over a flame period is selected in an expected variation information base. Here, the selection may be performed in the expected change information base according to different selection rules, and the selection rule may include types of sequential selection, random selection, and the like, which is not limited in this embodiment of the application. For example, a parameter interval including an upper limit value and a lower limit value input by a user may be acquired, so that the user may manually set a variation range of the light source array 101'; the system may randomly select random values in this parameter interval as the starting and target parameters of the light source array 101' during a flame period/expected variation phase.
As shown in fig. 15, an embodiment of the present application provides a control device (hereinafter, referred to as a control device) 20 of a lighting fixture 10, where the control device 20 includes an acquisition circuit 21 and a control circuit 22. The acquisition circuit 21 is configured to acquire a flame period of the light source array 101'. The control circuit 22 is configured to, for at least one flame cycle, control operations of: according to the expected change information of the light source array 101 'in the flame period, determining expected change phases contained in the flame period, and determining a control strategy for the light source array 101' in each expected change phase; the light source array 101' is controlled to emit light in the corresponding expected variation phase according to the control strategy.
For example, the above-mentioned acquisition circuit 21 and control circuit 22 may be implemented by the processor 103 executing computer instructions, or may be implemented by circuits. The acquisition circuit 21 and the control circuit 22 may be, for example, one or more physical or logical blocks comprising computer instructions, which may be constructed, for example, as objects, procedures or functions. Nevertheless, the computer instructions in the acquisition circuit 21 and the control circuit 22 need not be physically located together, but may comprise different computer instructions stored on different physical blocks. Those skilled in the art may build a hardware circuit corresponding to the above computer instructions to implement corresponding functions, where the hardware circuit includes a conventional Very Large Scale Integration (VLSI) or gate array, and an existing semiconductor such as a logic chip, a transistor, or other discrete components. The circuitry described above may also be implemented in programmable hardware devices such as field programmable gate arrays, programmable array logic, programmable logic devices or the like.
As shown in fig. 16, in some embodiments, the control circuitry 22 may include a determine sequence sub-circuit 221 and a divide segment sub-circuit 222. The determine sequence sub-circuit 221 is configured to determine a time sequence of change trends contained in the expected change information; and the segment dividing sub-circuit 222 is configured to divide the flame period into a plurality of time segments according to the time sequence of the variation trend, with each time segment as an expected variation phase.
As shown in fig. 2 to 3 and 17, an embodiment of the present application provides a lighting fixture 10, where the lighting fixture 10 includes a fixture body 101, a memory 102, and a processor 103. The lamp body 101 is provided with a plurality of point light sources 101a, the plurality of point light source 101a arrays 101 'form at least one light source array 101', the memory 102 stores a computer program, and the computer program is executed by the processor 103 to implement the control method of any of the above embodiments.
The memory 102 may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. Volatile memory can be Random Access Memory (RAM), which acts as external cache memory. By way of example and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Synchronous Link Dynamic Random Access Memory (SLDRAM), and direct memory bus random access memory (DRRAM). It should be noted that the memories of the methods described herein are intended to comprise, without being limited to, these and any other suitable types of memory.
The processor 103 may perform various actions and processes according to programs stored in the memory 102. In particular, the processor 103 may be an integrated circuit chip having signal processing capabilities. The processor 103 may be a general-purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic devices, discrete Gate or transistor logic devices, or discrete hardware components, and may implement or execute the methods, steps, and logic blocks disclosed in the embodiments of the present Application. The general purpose processor may be a microprocessor or any conventional processor or the like, which may be of the X86 or ARM architecture.
In a fourth aspect, the present application provides a computer-readable storage medium, on which a computer program is stored, where the computer program is loaded by a processor to execute the steps in the control method described in any one of the above embodiments.
By way of example, such computer-readable storage media may include, but are not limited to: magnetic storage devices (e.g., hard Disk, floppy Disk, magnetic tape, etc.), optical disks (e.g., CD (Compact Disk), DVD (Digital Versatile Disk), etc.), smart cards, and flash Memory devices (e.g., EPROM (Erasable Programmable Read-Only Memory), card, stick, key drive, etc.). Various computer-readable storage media described herein can represent one or more devices and/or other machine-readable storage media for storing information. The term "machine-readable storage medium" can include, without being limited to, wireless channels and various other media capable of storing, containing, and/or carrying instruction(s) and/or data.
Some embodiments of the present application also provide a computer program product. The computer program product comprises computer program instructions which, when executed on a computer, cause the computer to perform one or more steps of the control method as described in the above embodiments.
Some embodiments of the present application also provide a computer program. When the computer program is executed on a computer, the computer program causes the computer to perform one or more steps of the control method according to the above-described embodiment.
The advantages of the computer-readable storage medium, the computer program product, and the computer program are the same as those of the processing method described in some embodiments, and are not described herein again.
The lighting fixture, the control method, the control device and the computer-readable storage medium thereof provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are explained herein by applying specific examples, and the description of the above embodiments is only used to help understand the method and the core ideas of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (11)

1. A control method for a lighting fixture, the lighting fixture including a plurality of point light sources, the control method comprising:
acquiring a flame period of a light source array, wherein the light source array comprises a plurality of point light sources;
according to the expected change information of the light source array in the flame period, determining expected change phases contained in the flame period, and determining a control strategy of the light source array in each expected change phase;
and controlling the light source array to change the light emitting state in the corresponding expected change stage according to the control strategy.
2. The method of claim 1, wherein determining an expected variation phase included in the flame cycle according to expected variation information of the light source array in the flame cycle comprises:
determining a change trend time sequence contained in the expected change information;
and dividing the flame period into a plurality of time segments according to the variation trend time sequence, and taking each time segment as an expected variation phase.
3. The method of claim 1, wherein the determining the control strategy for the light source array in each expected variation phase according to the expected variation information of the light source array in the flame period comprises:
determining a main flame light source and an edge flame light source of the light source array in each expected change stage according to the expected change information, wherein the main flame light source is a point light source which participates in flame luminescence and keeps on all the time in the expected change stage in the light source array, and the edge flame light source is a point light source which participates in flame luminescence and changes on and off in the expected change stage in the light source array;
and determining the change gradient of the main flame light source and the change gradient of the side flame light source to obtain a control strategy for the light source array in a corresponding expected change stage.
4. The method of claim 3, wherein determining the main flame light source and the side flame light source in each of the expected variation phases according to the expected variation information comprises:
determining a total flame distribution of the light source array within the expected variation phase according to the expected variation information;
determining a point light source which keeps on lighting at the starting time and the tail end time of the expected change stage in the total flame distribution, and taking the point light source as a main flame light source of the expected change stage;
and determining a point light source which is kept lighted only at the starting time or the end time of the expected change stage in the total flame distribution as an edge flame light source of the expected change stage.
5. The method of claim 3, wherein determining the gradient of variation of the main flame light source comprises:
acquiring an initial parameter and a target parameter of the main flame light source in a corresponding expected change stage;
and determining the change gradient of the main flame light source according to the time length of the expected change stage, the initial parameter and the target parameter of the main flame light source in the corresponding expected change stage.
6. The method of claim 3, wherein determining the gradient of the variation of the edge-flame light source comprises:
determining whether the edge-flame light source remains illuminated at the start time of the corresponding expected variation phase;
in response to determining that the edge-flame light source remains illuminated at the beginning of the corresponding expected variation phase, then:
acquiring the initial parameter and the change duration of the side flame light source in the expected change stage;
determining the change gradient of the side-flame light source according to the initial parameter and the change duration of the side-flame light source in the expected change stage;
in response to determining that the edge-flame light source remains extinguished at the beginning of the corresponding expected variation phase, then:
acquiring target parameters of the main flame light source in the expected change stage;
and determining the change gradient of the side-flame light source according to the time length of the expected change stage and the target parameter of the main-flame light source in the expected change stage.
7. The control method of a lighting fixture as recited in claim 1, wherein prior to obtaining a flame period for an array of light sources, said control method further comprises:
and combining the plurality of point light sources to form at least one light source array.
8. The control method of the lighting fixture according to claim 1, wherein after acquiring a flame period of a light source array, before determining expected variation phases included in the flame period according to expected variation information of the light source array in the flame period and a control strategy for the light source array in each expected variation phase, the control method further comprises:
selecting expected variation information of the array of light sources within the flame period in an expected variation information base.
9. A control device for a lighting fixture, the lighting fixture including a plurality of point light sources, the control device comprising:
an acquisition circuit (21) configured to acquire a flame period of an array of light sources, the array of light sources comprising at least one of the point light sources;
a control circuit (22) configured to perform the following control operations;
determining expected variation phases contained in the flame period according to the expected variation information of the light source array in the flame period, and determining a control strategy of the light source array in each expected variation phase;
and controlling the light source array to change the light emitting state in the corresponding expected change stage according to the control strategy.
10. A lighting fixture, characterized by comprising a fixture body (101), a memory (102) and a processor (103), wherein a plurality of point light sources (101 a) are arranged on the fixture body (101), the plurality of point light sources (101 a) form at least one light source array (101'), and the memory (102) stores a computer program which, when executed by the processor (103), implements the control method according to any one of claims 1-8.
11. A computer-readable storage medium, having stored thereon a computer program which is loaded by a processor for performing the steps in the control method according to any one of claims 1-8.
CN202210828948.0A 2022-07-15 2022-07-15 Lighting lamp, control method and device thereof, and computer-readable storage medium Active CN115002983B (en)

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