CN111770606B - Illumination control method and device, lamp and storage medium - Google Patents

Illumination control method and device, lamp and storage medium Download PDF

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Publication number
CN111770606B
CN111770606B CN202010496142.7A CN202010496142A CN111770606B CN 111770606 B CN111770606 B CN 111770606B CN 202010496142 A CN202010496142 A CN 202010496142A CN 111770606 B CN111770606 B CN 111770606B
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illumination
lamp
total
preset
equal
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CN111770606A (en
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杜鹏杰
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Midea Intelligent Lighting and Controls Technology Co Ltd
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Midea Intelligent Lighting and Controls Technology 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/12—Controlling the intensity of the light using optical feedback
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • 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
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
    • 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)

Abstract

The application provides a lighting control method, a lighting control device, a lamp and a storage medium, wherein the method comprises the following steps: acquiring the total illumination in the illumination range of the lamp in real time; according to the fact that the total illumination is larger than or equal to a first preset illumination, the illumination of the lamp is reduced until the total illumination is smaller than or equal to a second preset illumination; and increasing the illumination of the lamp according to the condition that the total illumination is less than or equal to the second preset illumination until the total illumination is greater than or equal to the first preset illumination, and reducing the illumination of the lamp according to the first regulation rate. The utility model provides an illuminance of dynamic adjustment lamps and lanterns of self-adaptation ground makes the total illuminance in the lamps and lanterns illumination scope constantly change, and the user pupil adapts to the change of illuminance and constantly enlarges or dwindles, and user's eye structure can be in the state of relaxing, under the habit of using the eye, position of sitting and study or work rhythm that do not influence the user, avoids user's eyes to keep fixed knot structure unchangeable for a long time, protects user's eyesight effectively.

Description

Illumination control method and device, lamp and storage medium
Technical Field
The application belongs to the technical field of smart home, and particularly relates to a lighting control method, a lighting control device, a lamp and a storage medium.
Background
People use the lamp to illuminate every day, and especially students and office workers often study and work for a long time under the light, so that eye fatigue is easily caused. Therefore, the research on scientific illumination control schemes has important significance on visual health.
At present, a lamp is proposed in the related art, which reminds a user of resting eyes and correcting sitting posture while illuminating. However, the lamp only cultivates the eye use habit of the user, depends on the subjective cooperation of the user, and is difficult to improve the eye use health of the user if the user does not operate according to the reminding of the lamp. And the user is continuously reminded to rest or correct sitting postures, which can cause interference to the study or work of the user.
Disclosure of Invention
The application provides an illumination control method, an illumination control device, a lamp and a storage medium, the illumination of the lamp is dynamically adjusted in a self-adaptive manner, the total illumination in the illumination range of the lamp is continuously changed, the pupil of a user is continuously enlarged or reduced in a manner of adapting to the change of the illumination, and the eyes of the user are prevented from keeping a fixed structure unchanged for a long time without influencing the eye use habit, sitting posture, learning or working rhythm of the user, so that the eyesight of the user is effectively protected.
An embodiment of a first aspect of the present application provides a lighting control method, including:
acquiring total illumination in an illumination range of a lamp in real time, wherein the total illumination is the sum of the illumination of the lamp and ambient illumination;
according to the fact that the total illumination is larger than or equal to a first preset illumination, the illumination of the lamp is reduced until the total illumination is smaller than or equal to a second preset illumination;
and according to the fact that the total illumination is smaller than or equal to the second preset illumination, increasing the illumination of the lamp until the total illumination is larger than or equal to the first preset illumination, and executing the operation of reducing the illumination of the lamp again.
In some embodiments of the present application, said dimming the illuminance of said luminaire comprises:
and adjusting the illumination of the lamp according to the current electrical parameters of the lamp, the first unit time length and the first adjusting step length included by the first adjusting speed.
In some embodiments of the present application, said adjusting the illuminance of said lamp according to the current electrical parameter of said lamp, the first unit time length included in the first adjusting rate and the first adjusting step length comprises:
determining the current duty ratio of a power supply driving circuit of the lamp according to the current electrical parameters of the lamp;
calculating to obtain a plurality of degressive duty ratios according to the current duty ratio and a first adjusting step length included by a first adjusting rate;
and adjusting the electrical parameters of the lamp in sequence according to the plurality of decreasing duty cycles every first unit time included by the first adjustment rate.
In some embodiments of the present application, said increasing the illuminance of said luminaire comprises:
and adjusting the illumination of the lamp according to the current electrical parameter of the lamp, the second unit time length and the second adjusting step length included by the second adjusting speed.
In some embodiments of the present application, said adjusting the illuminance of the lamp according to the current electrical parameter of the lamp, the second unit time length included in the second adjustment rate, and the second adjustment step size includes:
determining the current duty ratio of a power supply driving circuit of the lamp according to the current electrical parameters of the lamp;
calculating to obtain a plurality of increasing duty ratios according to the current duty ratio and a second adjusting step included by a second adjusting rate;
and adjusting the electrical parameters of the lamp in sequence according to the plurality of increasing duty cycles every second unit time included by the second adjustment rate.
In some embodiments of the present application, the method further comprises:
according to the fact that the total illumination is larger than or equal to a third preset illumination, the illumination of the lamp is reduced according to a third adjusting rate, and the third preset illumination is larger than the first preset illumination;
and controlling the lamp to be turned off according to the condition that the illumination of the lamp is reduced to the lowest illumination of the lamp and the total illumination is still greater than the standard illumination of the lamp.
In some embodiments of the present application, the method further comprises:
and executing the operation of increasing the illumination of the lamp according to the condition that the illumination of the lamp is reduced to the lowest illumination of the lamp and the total illumination is still greater than the second preset illumination.
In some embodiments of the present application, the method further comprises:
and according to the fact that the illumination of the lamp is increased to the maximum illumination of the lamp and the total illumination is still smaller than the first preset illumination, the operation of reducing the illumination of the lamp is executed.
Embodiments of a second aspect of the present application provide a lighting control apparatus, comprising: the system comprises a processor, a power supply driving circuit, a light source and a photosensitive sensor;
the photosensitive sensor is used for acquiring total illumination in an illumination range of a lamp in real time, and the total illumination is the sum of the illumination of the lamp and ambient illumination;
the processor is used for controlling the power supply driving circuit to reduce the illumination of the light source until the total illumination is less than or equal to a second preset illumination according to the fact that the total illumination is greater than or equal to a first preset illumination; and the power driving circuit is used for controlling the power driving circuit to increase the illumination of the light source according to the condition that the total illumination is less than or equal to a second preset illumination until the total illumination is greater than or equal to the first preset illumination, and then the operation of reducing the illumination of the lamp is executed again.
In some embodiments of the present application, the processor is configured to determine a current duty cycle of the power driving circuit according to a current electrical parameter of the light source; calculating to obtain a plurality of degressive duty ratios according to the current duty ratio and a first adjusting step length included by a first adjusting rate; and adjusting the electrical parameters of the light source by the power driving circuit in sequence according to the plurality of decreasing duty cycles every a first unit time length included by the first adjustment rate.
In some embodiments of the present application, the processor is configured to determine a current duty cycle of the power driving circuit according to a current electrical parameter of the light source; calculating a plurality of increasing duty ratios according to the current duty ratio and a second adjusting step included in a second adjusting speed; and adjusting the electrical parameter of the light source by the power driving circuit in sequence according to the plurality of incremental duty cycles every second unit time length included by the second adjustment rate.
Embodiments of a third aspect of the present application provide a luminaire comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor executing the computer program to implement the method of the first aspect.
An embodiment of a fourth aspect of the present application provides a computer-readable storage medium having a computer program stored thereon, the program being executable by a processor to implement the method of the first aspect.
The technical scheme provided in the embodiment of the application at least has the following technical effects or advantages:
the illumination of lamps and lanterns is dynamically adjusted to this application embodiment self-adaptation ground after turning on light for the illumination of lamps and lanterns and the superimposed total illuminance of environment illuminance constantly change in the illumination scope of lamps and lanterns, make user's pupil adapt to the change of this total illuminance and constantly enlarge or dwindle, user's eye structures such as ciliary muscle, pupil, crystalline lens can be in the state of relaxing, under the habit of using the eye, position of sitting and study or the work rhythm that does not influence the user, avoid user's eyes to keep fixed knot structure unchangeable for a long time, protect user's eyesight effectively.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to refer to like parts throughout the drawings.
In the drawings:
fig. 1 is a schematic flow chart illustrating a lighting control method according to an embodiment of the present application;
fig. 2 is another schematic flow chart of a lighting control method provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram illustrating a lighting control device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a lamp provided in an embodiment of the present application;
fig. 5 is a schematic diagram of a storage medium provided in an embodiment of the present application.
Detailed Description
Exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
A lighting control method, a lighting control device, a luminaire, and a storage medium according to embodiments of the present application are described below with reference to the accompanying drawings.
The embodiment of the application provides an illumination control method, which is characterized in that after a lamp is turned on, the illumination intensity of the lamp is continuously adjusted, so that the total illumination intensity in the illumination range of the lamp is continuously changed from high to low and then from low to high, the total illumination intensity is dynamically changed, the pupil of a user can be continuously reduced or enlarged along with the change of the total illumination intensity, eye structures such as ciliary muscles, pupils, crystalline lenses and the like of the user are in a relaxed state, the eyes of the user are prevented from keeping a fixed structure unchanged for a long time, and the eye health of the user is effectively protected.
Referring to fig. 1, the method specifically includes the following steps:
step 101: and acquiring the total illumination within the illumination range of the lamp in real time, wherein the total illumination is the sum of the illumination of the lamp and the ambient illumination.
In the embodiment of the application, the light-sensitive sensor is mounted on the lamp, and the illuminance in the illumination range of the lamp is detected in real time through the light-sensitive sensor, wherein the illumination range of the lamp is a range which can be covered by light of the lamp, and the illuminance in the illumination range is formed by overlapping the illuminance of the lamp and the ambient illuminance of the surrounding environment, so that the illuminance in the illumination range of the lamp is called as total illuminance in the embodiment of the application, and the total illuminance is the sum of the illuminance of the lamp and the ambient illuminance.
In the embodiment of the application, a first preset illumination and a second preset illumination are set, a value interval of the first preset illumination may be (M0-100, M0+ 100), a value interval of the second preset illumination may be (1/4M0,3/4M 0), where M0 is a standard illumination of a lamp, that is, an illumination of the lamp under a rated power, and a value interval of M0 may be [100, 3000]. The embodiment of the application does not limit the specific values of the first preset illumination, the second preset illumination and the standard illumination M0 of the lamp, and the specific values can be determined according to the actual condition of the lamp in practical application.
After the current total illumination within the illumination range of the lamp is obtained through the operation in step 101, the total illumination is respectively compared with a first preset illumination and a second preset illumination, if the total illumination is greater than or equal to the first preset illumination, the operation in step 102 is executed, and if the total illumination is less than or equal to the second preset illumination, the operation in step 103 is executed.
And when the lamp is just turned on, if the total illumination is detected to be greater than or equal to the first preset illumination, the illumination of the lamp is reduced according to the operation of the step 102. If the detected total illumination is less than or equal to the second preset illumination, the illumination of the lamp is increased according to the operation of step 103. If the total illumination intensity when the lamp is just turned on is between the first preset illumination intensity and the second preset illumination intensity, the illumination intensity of the lamp may be first adjusted to be low according to the operation of step 102, or the illumination intensity of the lamp may be first adjusted to be high according to the operation of step 103.
Step 102: and reducing the illumination of the lamp according to the condition that the total illumination is greater than or equal to the first preset illumination until the total illumination is less than or equal to the second preset illumination.
If it is determined that the total illumination obtained in step 101 is greater than or equal to the first preset illumination, the illumination of the lamp is reduced until the total illumination is less than or equal to the second preset illumination. In the embodiment of the present application, the amplitude of each turn-down may be set, for example, 5lux or 10lux may be turned down each time. And converting the set amplitude into a duty ratio according to the conversion relation between the illumination and electrical parameters such as voltage, current or power of the lamp. And subtracting the converted duty ratio from the current duty ratio of the power driving circuit of the lamp successively, judging whether the current total illumination is less than or equal to a second preset illumination after adjusting the current duty ratio of the power driving circuit every time, and if so, executing the operation of step 103. If not, the illumination of the lamp is continuously adjusted to be low by reducing the current duty ratio of the power supply driving circuit according to the mode.
In other embodiments of the present application, the illuminance of the lamp may also be adjusted according to the current electrical parameter of the lamp, the first unit time length included in the first adjustment rate, and the first adjustment step size. The current electrical parameters of the lamp comprise rated voltage, rated current, rated power of the lamp, current voltage, current, current power and the like. The first unit time period may be 0.1 second, 0.2 second, or the like. The value range of the first adjustment step may be (0.1,5), for example, the first adjustment step may be 0.2, 0.5, or 1. The embodiment of the application does not limit the values of the first unit time length and the first adjusting step length, and the values can be determined according to requirements in practical application.
Firstly, the current duty ratio of a power supply driving circuit of the lamp is determined according to the current electrical parameters of the lamp. Specifically, the current duty ratio of the power driving circuit is calculated according to the rated voltage and the current voltage of the lamp. Or, calculating the current duty ratio of the power driving circuit according to the rated current and the current of the lamp. Or, calculating the current duty ratio of the power supply driving circuit according to the rated power and the current power of the lamp.
And calculating to obtain a plurality of degressive duty ratios according to the current duty ratio of the power supply driving circuit and a first adjusting step included in the first adjusting speed. And adjusting the electrical parameters of the lamp in sequence according to the plurality of decreasing duty ratios every first unit time length included by the first adjusting rate until the total illumination is less than or equal to a second preset illumination.
The process of dimming the illumination of the lamp can be further understood as the following cyclic process:
a1: calculating the current duty ratio to be regulated according to the current duty ratio of the power supply driving circuit and a first regulation step length included in a first regulation rate; a2: transmitting the calculated duty ratio to a power supply driving circuit, adjusting the current duty ratio to the received duty ratio by the power supply driving circuit, and correspondingly changing electrical parameters such as voltage, current and the like applied to the light source after the duty ratio is adjusted, so that the illumination of the light source is reduced; a3: and judging whether the total illumination currently detected by the photosensitive sensor is less than or equal to a second preset illumination, if so, executing the operation of the step 103, otherwise, returning to the step A1 to execute after waiting for the first unit time.
For example, assuming that the current duty ratio of the power driving circuit is 80%, the first unit time length is 0.1 second, and the first adjustment step size is 1, according to the current duty ratio of 80% and the first adjustment step size 1, 79% of the duty ratio that needs to be adjusted currently is generated, the 79% of the duty ratio is transmitted to the power driving circuit, and the power driving circuit adjusts the current duty ratio from 80% to 79%. Detecting the current total illumination through the photosensitive sensor, if the current total illumination is still greater than the second preset illumination, generating a current duty ratio 78% to be adjusted according to the current duty ratio 79% and a first adjustment step length 1, transmitting the duty ratio 78% to the power supply driving circuit, adjusting the current duty ratio from 79% to 78% by the power supply driving circuit, detecting the current total illumination through the photosensitive sensor, and if the current total illumination is less than or equal to the second preset illumination, subsequently executing the operation of step 103.
Gradually reducing the illumination of the lamp according to the above operation, and if the illumination of the lamp is reduced to the lowest illumination of the lamp, and the total illumination in the illumination range of the lamp is still greater than the second preset illumination, then subsequently increasing the illumination of the lamp according to the operation of step 103. After determining that the illumination of the lamp is adjusted to the lowest illumination of the lamp and the total illumination is still greater than the second preset illumination, the operation of step 103 may be executed for a preset time period, where the preset time period may be 5 seconds or 10 seconds. The specific value of the preset duration is not limited in the embodiment of the application, and can be determined according to requirements in practical application.
The minimum illumination of the lamp may be a product of a standard illumination of the lamp and a preset percentage, the preset percentage may be 10% or 15%, the standard illumination of the lamp may be 1000lux or 1200lux, and the minimum illumination of the lamp may be 100lux or 150 lux. The specific value of the lowest illumination of the lamp is not limited in the embodiment of the application, and the specific value can be determined according to the actual condition of the lamp in practical application.
Step 103: and increasing the illumination of the lamp according to the total illumination less than or equal to the second preset illumination until the total illumination is greater than or equal to the first preset illumination, and executing the operation of the step 102 again.
And if the total illumination in the illumination range of the lamp is determined to be less than or equal to the second preset illumination, increasing the illumination of the lamp until the total illumination is greater than or equal to the first preset illumination. In the embodiment of the present application, the amplitude of each increase may be set, for example, each increase is 5lux or 10 lux. And converting the set amplitude into a duty ratio according to the conversion relation between the illumination and electrical parameters such as voltage, current or power of the lamp. And successively adding the converted duty ratio to the current duty ratio of the power supply driving circuit of the lamp, judging whether the current total illumination is greater than or equal to a first preset illumination after adjusting the current duty ratio of the power supply driving circuit each time, and if so, executing the operation of the step 102. If not, the illumination of the lamp is continuously increased by improving the current duty ratio of the power supply driving circuit according to the mode.
In other embodiments of the present application, the illuminance of the lamp may also be adjusted according to the current electrical parameter of the lamp, the second unit time length included in the second adjustment rate, and the second adjustment step length. Wherein the second unit time length may be 0.1 second, 0.2 second, etc. The value interval of the second adjustment step may be (0.1,5), for example, the second adjustment step may be 0.2, 0.5, or 1. The embodiment of the application does not limit the values of the second unit time length and the second adjustment step length, and the values can be determined according to requirements in practical application.
Firstly, the current duty ratio of a power supply driving circuit of the lamp is determined according to the current electrical parameters of the lamp. Specifically, the current duty ratio of the power driving circuit is calculated according to the rated voltage and the current voltage of the lamp. Or, calculating the current duty ratio of the power driving circuit according to the rated current and the current of the lamp. Or, calculating the current duty ratio of the power supply driving circuit according to the rated power and the current power of the lamp.
And calculating to obtain a plurality of incremental duty ratios according to the current duty ratio of the power supply driving circuit and a second adjusting step included in a second adjusting speed. And adjusting the electrical parameters of the lamp according to the plurality of increasing duty ratios in sequence every second unit time length included by the second adjusting rate until the total illumination is greater than or equal to the first preset illumination.
The process of increasing the illumination of the lamp can be further understood as the following cyclic process:
b1: calculating the current duty ratio to be regulated according to the current duty ratio of the power supply driving circuit and a second regulating step length included by a second regulating speed; b2: the calculated duty ratio is transmitted to a power supply driving circuit, the current duty ratio is adjusted to the received duty ratio by the power supply driving circuit, electrical parameters such as voltage and current applied to the light source are correspondingly changed after the duty ratio is adjusted, and the illumination of the light source is increased; b3: and judging whether the total illumination currently detected by the photosensitive sensor is greater than or equal to a first preset illumination, if so, executing the operation of the step 102, otherwise, returning to the step B1 to execute after waiting for a second unit time.
For example, if the current duty ratio of the power driving circuit is 70%, the second unit time is 0.1 second, and the second adjustment step size is 1, then 71% of the current duty ratio required to be adjusted is generated according to 70% of the current duty ratio and the second adjustment step size 1, the 71% of the duty ratio is transmitted to the power driving circuit, and the power driving circuit adjusts the current duty ratio from 70% to 71%. Detecting the current total illumination through a photosensitive sensor, if the current total illumination is still less than a first preset illumination, generating a duty ratio 72% which needs to be adjusted currently according to a current duty ratio of 71% and a second adjusting step length 1, transmitting the duty ratio 72% to a power supply driving circuit, adjusting the current duty ratio from 71% to 72% by the power supply driving circuit, detecting the current total illumination through the photosensitive sensor, and if the current total illumination is greater than or equal to the first preset illumination, subsequently executing the operation of the step 102.
And gradually increasing the illumination intensity of the lamp according to the operation, and if the total illumination intensity in the illumination range of the lamp is still smaller than the first preset illumination intensity when the illumination intensity of the lamp is increased to the maximum illumination intensity of the lamp, subsequently decreasing the illumination intensity of the lamp according to the operation of the step 102. After determining that the illuminance of the lamp is increased to the maximum illuminance of the lamp and the total illuminance is still less than the first preset illuminance, the operation of step 102 may be executed for a preset time period, where the preset time period may be 5 seconds or 10 seconds.
The illumination of the lamp is adjusted through the operation cycles of the steps 102 and 103, so that the total illumination within the illumination range of the lamp is dynamically changed, and the pupil is expanded or contracted along with the change of the total illumination when the user works or learns within the illumination range of the lamp, so that eye structures such as ciliary muscles, pupils, crystalline lenses and the like of the user are in a relaxed state, and the vision of the user is effectively protected.
In order to facilitate understanding of the illumination control method provided in the embodiments of the present application, the following description is made with reference to the accompanying drawings. As shown in fig. 2, S1: and acquiring the total illumination within the illumination range of the lamp in real time. S2: and judging whether the total illumination is greater than or equal to a first preset illumination or not and is less than or equal to a second preset illumination or not, if so, executing the step S3, and if not, executing the step S7. S3: and calculating the current duty ratio to be regulated according to the current duty ratio of the power supply driving circuit and a first regulation step included in the first regulation rate. S4: and transmitting the calculated duty ratio to a power supply driving circuit, and adjusting the current duty ratio to the received duty ratio by the power supply driving circuit. S5: and judging whether the current total illumination is less than or equal to a second preset illumination, if so, executing the step S7, and if not, executing the step S6. S6: and waiting for the first unit time length, and returning to the step S3. S7: and calculating the current duty ratio to be regulated according to the current duty ratio of the power supply driving circuit and a second regulation step included in the second regulation rate. S8: and transmitting the calculated duty ratio to a power supply driving circuit, and adjusting the current duty ratio to the received duty ratio by the power supply driving circuit. S9: and judging whether the current total illumination is greater than or equal to a first preset illumination, if so, executing the step S3, and if not, executing the step S10. S10: and waiting for the second unit duration and returning to the step S7.
The embodiment of the application further sets a third preset illumination, the third preset illumination is greater than the first preset illumination, and the third preset illumination can be (M0 + 1/2A), wherein M0 is the standard illumination of the lamp, a is a preset coefficient, and the value of a can be 100 or 200. The embodiment of the application does not limit the specific values of the standard illumination M0, the preset coefficient A and the third preset illumination of the lamp, and can be determined according to requirements in practical application.
And comparing the total illumination within the illumination range of the lamp with a third preset illumination at any time after the lamp is started, and if the total illumination is greater than or equal to the third preset illumination, reducing the illumination of the lamp according to a third regulation rate. And if the total illumination is less than the third preset illumination, adjusting the illumination of the lamp according to the operations of the steps 102 and 103.
Wherein the third adjustment rate includes a third unit duration and a third adjustment step size, and the third unit duration may be 0.1s, 0.2s, or 0.5s, etc. The value interval of the third adjustment step may be (0.02,0.2), for example, the value of the third adjustment step may be 0.03, 0.05, 0.01, and the like. The specific values of the third unit time length and the third adjustment step length are not limited in the embodiment of the application, and can be determined according to requirements in practical application.
In the process of reducing the illumination of the lamp, if the illumination of the lamp is reduced to the lowest illumination of the lamp, and the total illumination in the illumination range of the lamp is still greater than the standard illumination of the lamp, it indicates that the ambient illumination of the current environment where the lamp is located is very high, and the lamp is controlled to be turned off.
The illumination of lamps and lanterns is dynamically adjusted in a self-adaptive manner after the lamps and lanterns are turned on in the embodiment of the application, so that the total illumination superposed by the illumination of the lamps and lanterns and the ambient illumination in the illumination range of the lamps and lanterns is continuously changed, the pupils of a user are adapted to the change of the total illumination and are continuously expanded or reduced, the eye structures such as ciliary muscles, pupils and crystalline lenses of the user can be in a relaxed state, the eye using habit, sitting posture, learning or working rhythm of the user are not influenced, the eyes of the user are prevented from keeping a fixed structure unchanged for a long time, and the eyesight of the user is effectively protected.
An embodiment of the present application further provides an illumination control apparatus, configured to perform the illumination control method according to the foregoing embodiment, as shown in fig. 3, the apparatus includes: a processor 200, a power driving circuit 300, a light source 400 and a photosensor 500. The processor 200 is connected to the power driving circuit 300 and the photosensitive sensor 500, respectively, and the power driving circuit 300 is connected to the light source 400.
The lighting control device may be a lamp such as a desk lamp or a pendant lamp, and the light source 400 may be an LED lamp. The light sensitive sensor 500 is mounted on the lighting control device within the range covered by the light of the device, if the lighting control device is a desk lamp, the light sensitive sensor 500 may be mounted on the surface of the base of the desk lamp.
The photosensitive sensor 500 is used for acquiring the total illumination within the illumination range of the lamp in real time, wherein the total illumination is the sum of the illumination of the lamp and the ambient illumination;
the processor 200 is configured to control the power driving circuit 300 to decrease the illuminance of the light source 400 according to the total illuminance being greater than or equal to the first preset illuminance until the total illuminance is less than or equal to the second preset illuminance; and controlling the power driving circuit 300 to increase the illumination of the light source 400 according to the total illumination being less than or equal to the second preset illumination until the total illumination being greater than or equal to the first preset illumination, and then performing the operation of decreasing the illumination of the lamp again.
And the processor 200 is configured to adjust the illuminance of the light source 400 through the power driving circuit 300 according to the current electrical parameter of the light source 400, the first unit duration included in the first adjustment rate, and the first adjustment step size.
A processor 200 for determining the current duty cycle of the power driving circuit 300 according to the current electrical parameter of the light source 400; calculating to obtain a plurality of degressive duty ratios according to the current duty ratio and a first adjusting step length included by a first adjusting rate; the electrical parameters of the light source 400 are adjusted by the power driving circuit 300 in sequence according to a plurality of decreasing duty cycles, each interval comprising a first unit duration of time at a first adjustment rate.
And the processor 200 is configured to adjust the illuminance of the light source 400 through the power driving circuit 300 according to the current electrical parameter of the light source 400, the second unit duration included in the second adjustment rate, and the second adjustment step length.
A processor 200 for determining the current duty cycle of the power driving circuit 300 according to the current electrical parameter of the light source 400; calculating to obtain a plurality of increasing duty ratios according to the current duty ratio and a second adjusting step included by a second adjusting rate; the electrical parameters of the light source 400 are adjusted by the power drive circuit 300 in sequence according to a plurality of incremental duty cycles every a second adjustment rate comprising a second unit duration.
The processor 200 is further configured to reduce the illuminance of the light source 400 according to a third adjustment rate through the power driving circuit 300 according to the total illuminance being greater than or equal to a third preset illuminance, where the third preset illuminance is greater than the first preset illuminance; and controlling the light source 400 to be turned off by the power driving circuit 300 according to the illumination of the light source 400 being adjusted to the lowest illumination of the light source 400 and the total illumination still being greater than the standard illumination of the light source 400.
The processor 200 is further configured to increase the illumination of the light source 400 through the power driving circuit 300 according to that the illumination of the light source 400 is decreased to the lowest illumination of the light source 400 and the total illumination is still greater than a second preset illumination; and an operation for lowering the illuminance of the light source 400 through the power driving circuit 300 according to the illuminance of the light source 400 being increased to the maximum illuminance of the light source 400 and the total illuminance being still less than the first preset illuminance.
The lighting control device provided by the above embodiment of the present application and the lighting control method provided by the embodiment of the present application have the same beneficial effects as the method adopted, operated or implemented by the application program stored in the lighting control device.
The embodiment of the application also provides a lamp to execute the above illumination control method. Please refer to fig. 4, which illustrates a schematic diagram of a lamp provided in some embodiments of the present application. As shown in fig. 4, the luminaire 2 includes: the system comprises a processor 200, a memory 201, a bus 202 and a communication interface 203, wherein the processor 200, the communication interface 203 and the memory 201 are connected through the bus 202; the memory 201 stores a computer program that can be executed on the processor 200, and the processor 200 executes the lighting control method provided by any one of the foregoing embodiments when executing the computer program.
The Memory 201 may include a high-speed Random Access Memory (RAM) and may further include a non-volatile Memory (non-volatile Memory), such as at least one disk Memory. The communication connection between the network element of the system and at least one other network element is realized through at least one communication interface 203 (which may be wired or wireless), and the internet, a wide area network, a local network, a metropolitan area network, and the like may be used.
Bus 202 may be an ISA bus, PCI bus, EISA bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. The memory 201 is configured to store a program, and the processor 200 executes the program after receiving an execution instruction, and the lighting control method disclosed in any of the foregoing embodiments of the present application may be applied to the processor 200, or implemented by the processor 200.
The processor 200 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 200. The Processor 200 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 201, and the processor 200 reads the information in the memory 201 and completes the steps of the method in combination with the hardware thereof.
The electronic equipment provided by the embodiment of the application and the lighting control method provided by the embodiment of the application are based on the same inventive concept, and have the same beneficial effects as the method adopted, operated or realized by the electronic equipment.
Referring to fig. 5, the computer-readable storage medium is an optical disc 30, on which a computer program (i.e., a program product) is stored, and when the computer program is executed by a processor, the computer program performs the illumination control method provided in any of the foregoing embodiments.
It should be noted that examples of the computer-readable storage medium may also include, but are not limited to, a phase change memory (PRAM), a Static Random Access Memory (SRAM), a Dynamic Random Access Memory (DRAM), other types of Random Access Memories (RAM), a Read Only Memory (ROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a flash memory, or other optical and magnetic storage media, which are not described in detail herein.
The computer-readable storage medium provided by the above-mentioned embodiments of the present application and the lighting control method provided by the embodiments of the present application have the same beneficial effects as the method adopted, executed or implemented by the application program stored in the computer-readable storage medium.
It should be noted that:
in the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the application may be practiced without these specific details. In some instances, well-known structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the application, various features of the application are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the application and aiding in the understanding of one or more of the various inventive aspects.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (7)

1. A lighting control method, comprising:
acquiring total illumination in an illumination range of a lamp in real time, wherein the total illumination is the sum of the illumination of the lamp and ambient illumination;
determining the current duty ratio of a power supply driving circuit of the lamp according to the current electrical parameter of the lamp and the fact that the total illumination is greater than or equal to a first preset illumination; calculating to obtain a plurality of degressive duty ratios according to the current duty ratio and a first adjusting step length included by a first adjusting rate; adjusting the electrical parameters of the lamp in sequence according to the plurality of decreasing duty ratios every first unit time length included by the first adjustment rate until the total illumination is less than or equal to a second preset illumination;
determining the current duty ratio of a power supply driving circuit of the lamp according to the current electrical parameters of the lamp and the fact that the total illumination is smaller than or equal to the second preset illumination; calculating a plurality of increasing duty ratios according to the current duty ratio and a second adjusting step included in a second adjusting speed; and adjusting the electrical parameters of the lamp in sequence according to the plurality of increasing duty ratios every second unit time included by the second adjustment rate until the total illumination is greater than or equal to the first preset illumination, and then reducing the illumination of the lamp again.
2. The method of claim 1, further comprising:
according to the fact that the total illumination is larger than or equal to a third preset illumination, the illumination of the lamp is reduced according to a third adjusting rate, and the third preset illumination is larger than the first preset illumination;
and controlling the lamp to be turned off according to the condition that the illumination of the lamp is reduced to the lowest illumination of the lamp and the total illumination is still greater than the standard illumination of the lamp.
3. The method of claim 1, further comprising:
and according to the fact that the illumination of the lamp is reduced to the lowest illumination of the lamp and the total illumination is still larger than the second preset illumination, the operation of increasing the illumination of the lamp is executed.
4. The method of claim 1, further comprising:
and according to the fact that the illumination of the lamp is increased to the maximum illumination of the lamp and the total illumination is still smaller than the first preset illumination, the operation of reducing the illumination of the lamp is executed.
5. A lighting control device, comprising: the system comprises a processor, a power supply driving circuit, a light source and a photosensitive sensor;
the photosensitive sensor is used for acquiring total illumination in an illumination range of a lamp in real time, and the total illumination is the sum of the illumination of the lamp and ambient illumination;
the processor is used for determining the current duty ratio of the power supply driving circuit of the lamp according to the current electrical parameter of the lamp and the total illumination is greater than or equal to a first preset illumination; calculating to obtain a plurality of degressive duty ratios according to the current duty ratio and a first adjusting step length included by a first adjusting rate; adjusting electrical parameters of the lamp according to the plurality of descending duty ratios in sequence every first unit time included by the first adjusting rate until the total illumination is less than or equal to a second preset illumination; the power supply driving circuit is used for determining the current duty ratio of the power supply driving circuit of the lamp according to the current electrical parameter of the lamp and the total illumination is less than or equal to the second preset illumination; calculating to obtain a plurality of increasing duty ratios according to the current duty ratio and a second adjusting step included by a second adjusting rate; and adjusting the electrical parameters of the lamp in sequence according to the plurality of increasing duty ratios every second unit time included by the second adjustment rate until the total illumination is greater than or equal to the first preset illumination, and then reducing the illumination of the lamp again.
6. A luminaire comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor executes the computer program to implement the method according to any of claims 1-4.
7. A computer-readable storage medium, on which a computer program is stored, characterized in that the program is executed by a processor to implement the method according to any of claims 1-4.
CN202010496142.7A 2020-06-03 2020-06-03 Illumination control method and device, lamp and storage medium Active CN111770606B (en)

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CN109743825A (en) * 2019-03-12 2019-05-10 深圳市沃特沃德股份有限公司 Light adjusting method, device, storage medium and intelligent arrangement for reading
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