CN111726919B - Illumination control method and device, lamp and storage medium - Google Patents
Illumination control method and device, lamp and storage medium Download PDFInfo
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- CN111726919B CN111726919B CN202010496123.4A CN202010496123A CN111726919B CN 111726919 B CN111726919 B CN 111726919B CN 202010496123 A CN202010496123 A CN 202010496123A CN 111726919 B CN111726919 B CN 111726919B
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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
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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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
- H05B47/165—Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
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- 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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Abstract
The invention discloses a lighting control method, a lighting control device, a lamp and a storage medium, wherein the method comprises the following steps: acquiring the current lamp-on time of the lamp and the total illumination in the illumination range of the lamp in real time; according to the fact that the current lamp-on duration is within the second time interval, the illumination of the lamp is reduced according to the fact that the total illumination is larger than or equal to the first preset illumination; increasing the illumination of the lamp according to the fact that the total illumination is smaller than or equal to a second preset illumination until the total illumination is larger than or equal to the first preset illumination, and then reducing the illumination of the lamp again; and periodically adjusting the color temperature of the lamp according to the fact that the current lamp-on time is within the third time interval. The utility model provides an illuminance or colour temperature of dynamic adjustment lamps and lanterns adaptively, make total illuminance or colour temperature in the lamps and lanterns illumination scope constantly change, user's pupil adapts to the change of illuminance or colour temperature and constantly enlarges or dwindles, and user's eye structure can be in the relaxed state, avoids user's eyes to keep fixed knot structure unchangeable for a long time, protects user's eyesight effectively.
Description
Technical Field
The invention relates to the technical field of smart home, in particular to a lighting control method, a lighting control device, a lamp and a storage medium.
Background
People use lamps for illumination every day, and especially students and office workers often learn and work for a long time under 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 constantly remind the user to rest or correct the sitting posture, 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, which are used for dynamically adjusting the illumination or color temperature of the lamp in a self-adaptive manner, so that the total illumination or color temperature in the illumination range of the lamp is continuously changed, the pupil of a user is continuously enlarged or reduced in response to the change of the illumination, and the eyes of the user are prevented from keeping a fixed structure for a long time under the condition of not 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 the current lamp-on time of a lamp and the total illumination in 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;
adjusting the illumination of the lamp according to the fact that the current lamp-on duration is within a second time interval, the second time interval is behind the first time interval, and the total illumination is larger than or equal to a first preset illumination until the total illumination is smaller than or equal to a second preset illumination; according to the fact that the total illumination is smaller than or equal to the second preset illumination, the illumination of the lamp is increased until the total illumination is larger than or equal to the first preset illumination, and the operation of reducing the illumination of the lamp is executed again;
and periodically adjusting the color temperature of the lamp according to the fact that the current lamp-on time is within a third time interval, and the third time interval is behind the second time interval.
In some embodiments of the present application, the method further comprises:
and adjusting the illumination of the lamp according to the fact that the current lamp-on time is within a first time interval, so that the total illumination within the illumination range of the lamp is kept within a preset illumination interval.
In some embodiments of the present application, the color temperature of the luminaire remains unchanged at a preset color temperature value during the first time interval and the second time interval.
In some embodiments of the present application, the operation of dimming the illumination of the light fixture is performed at a first dimming rate, and the operation of dimming the illumination of the light fixture is performed at a second dimming rate.
In some embodiments of the present application, the illuminance of the lamp is 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.
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 a plurality of decreasing duty ratios according to the current duty ratio and a first adjusting step included in the first adjusting rate;
and adjusting electrical parameters of the lamp in sequence according to the plurality of decreasing duty cycles every a first unit duration included by the first adjustment rate.
In some embodiments of the present application, said increasing the illuminance of said light fixture 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 rate.
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 a plurality of increasing duty ratios according to the current duty ratio and a second adjusting step included in the second adjusting rate;
and adjusting electrical parameters of the lamp in sequence according to the plurality of incremental duty cycles every second unit time included by the second adjustment at intervals.
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 of the environment where the lamp is located is still greater than the second preset illumination.
In some embodiments of the present application, the method further comprises:
and executing the operation of reducing the illumination of the lamp according to the condition that the illumination of the lamp is increased to the maximum illumination of the lamp and the total illumination of the environment where the lamp is located is still less than the first preset illumination.
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 acquires the total illumination in 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 is used for acquiring the current lamp-on time of the light source in real time; adjusting the illumination of the light source through the power driving circuit until the total illumination is less than or equal to a second preset illumination according to the fact that the current lighting-on duration is within a second time interval, the second time interval is behind the first time interval, and the total illumination is greater than or equal to a first preset illumination; and the power driving circuit is used for increasing the illumination of the light source 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 then reducing the illumination of the light source again; and the color temperature of the light source is periodically adjusted according to the fact that the current lamp-on time length is within a third time interval, and the third time interval is behind the second time interval.
In some embodiments of the present application, the processor is configured to determine a current duty cycle of the power driving circuit based on 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 according to the plurality of degressive duty ratios in sequence every first unit time length included by the first adjusting 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 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 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, on which a computer program is stored, the program being executed by a processor to implement the method of the first aspect.
The technical scheme provided in the embodiment of the application has at least the following technical effects or advantages:
the embodiment of the application dynamically adjusts the illumination or color temperature of the lamp in a self-adaptive manner after the lamp is turned on, so that the total illumination superposed by the illumination of the lamp and the ambient illumination in the illumination range of the lamp is continuously changed and the color temperature is periodically changed according to different time intervals, the pupil of a user is continuously expanded or reduced in adaptation to the change of the total illumination or the color temperature, eye structures such as ciliary muscles, pupils and crystalline lenses of the user can be in a relaxed state, and under the condition of not influencing the eye use habit, sitting posture, learning or working rhythm of the user, 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.
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
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
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 a lighting control method, after a lamp is turned on, in a first time interval, the total illumination is kept in a preset illumination interval by adjusting the illumination of the lamp, the color temperature is kept at a preset value, in a second time interval, the illumination of the lamp is continuously adjusted, the total illumination in the illumination range of the lamp is continuously changed from high to low and then from low to high, the total illumination is dynamically changed in such a way, the color temperature is kept unchanged, in a third time interval, the illumination of the lamp is kept unchanged, the color temperature of the lamp is periodically adjusted, the dynamic changes of the illumination and the color temperature of the lamp in the three time intervals can enable pupils of a user to be continuously reduced or enlarged along with the change of the total illumination, 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:
referring to fig. 1, a flowchart of an illumination control method is provided in an embodiment of the present application. As shown in fig. 1, the method of the embodiment of the present application may include the following steps:
In the embodiment of the application, the light-sensitive sensor and the processor are installed 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.
The method comprises the steps that the on-lamp time of the lamp is recorded in real time through the processor, the on-lamp time of the lamp is recorded after the processor is electrified from the on-lamp time, and the on-lamp time is compared with a preset time interval. The preset time interval comprises a first time interval, a second time interval and a third time interval. Wherein the first time interval may be within 20 minutes, the second time interval may be between 20 minutes and 25 minutes, and the third time interval may be after 25 minutes.
In the embodiment of the application, a first preset illumination and a second preset illumination are set, the value interval of the first preset illumination can be (M0-100, M0+ 100), the value interval of the second preset illumination can be (1/4M0, 3/4M 0), wherein M0 is the standard illumination of the lamp, namely the illumination of the lamp under the rated power, and the value interval of M0 can 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 and the lighting time within the illumination range of the lamp are obtained through the operation of the step 101, the obtained lighting time is compared with a preset time interval, if the obtained lighting time is in a second time interval, the operation of the step 102 is executed, and if the obtained lighting time is in a third time interval, the operation of the step 103 is executed.
Further, the method of the embodiment of the present application may further include: and step 100, adjusting the illumination of the lamp in a first time interval according to the current lamp-on time so as to keep the total illumination in the illumination range of the lamp in a preset illumination interval.
Specifically, if the obtained lamp-on duration is in the first time interval, the illumination of the lamp is adjusted according to the fact that the current lamp-on duration is in the first time interval, so that the total illumination in the illumination range of the lamp is kept in the preset illumination interval.
For example, if it is detected that the lighting time period is in the first time interval and the total illumination is not in the preset illumination interval when lighting is just turned on, the brightness of the light source is adjusted to be low or/and high according to the operation of step 100 so that the total illumination is kept in the preset illumination interval. And when the detected lamp-on time is in the second time interval and the total illumination is greater than or equal to the first preset illumination, the illumination of the lamp is reduced according to the operation of the step 102. When the detected lamp-on time is in the second time interval and the total illumination is less than or equal to the second preset illumination, the illumination of the lamp is increased according to the operation of the step 102 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 in the step 102 is executed again. When the detected lamp-on time is in the third time interval, the illumination of the lamp can be kept at the set value according to the operation of step 103, and the color temperature of the lamp is adjusted according to the periodic cycle change.
102, adjusting the illumination of the lamp according to the fact that the current lamp-on duration is within a second time interval, the second time interval is behind the first time interval, and the total illumination is greater than or equal to a first preset illumination until the total illumination is less 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 then reducing the illumination of the lamp again.
The operation of reducing the illumination of the lamp is executed according to a first adjusting speed, and the operation of increasing the illumination of the lamp is executed according to a second adjusting speed.
In a possible implementation manner, when the processor obtains that the lighting time of the current lamp is in the second time interval, the total illumination obtained in the step 101 is compared with the preset first illumination, and if it is determined that the total illumination obtained in the 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 supply driving circuit of the lamp one by one, 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 supply driving circuit each time, and if so, executing the operation of increasing the illumination of the lamp in the step 102. 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 until the total illumination is less than or equal to the second preset illumination.
Specifically, the illumination of the lamp can 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 length. 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 duration and the first adjusting step length, and 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 supply 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 increasing the illumination of the lamp in the step 102, and if not, returning to the step A1 to execute after waiting for the first unit time.
In another possible implementation manner, when the processor obtains that the lighting time of the current lamp is in the second time interval, the total illumination obtained in step 101 is compared with the preset second illumination, and if it is determined that the total illumination obtained in step 101 is less than or equal to the second preset illumination, the illumination of the lamp is increased 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 reducing the illumination of the lamp in 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.
Specifically, the illumination of the lamp can 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 period 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 supply 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 in sequence according to the plurality of increasing duty ratios 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 included in a second regulating speed; b2: 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 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 reducing the illumination of the lamp in the step 102, and if not, returning to the step B1 to execute after waiting for a first unit time length.
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 adjustment 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 reducing the illumination of the lamp in 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 it is determined that the illumination of the lamp is adjusted to the maximum illumination of the lamp and the total illumination is still less than the first preset illumination, the operation of decreasing the illumination of the lamp in step 102 may be waited 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 cycle of step 102, so that the total illumination within the illumination range of the lamp dynamically changes, and when a user works or learns within the illumination range of the lamp, the pupil expands or contracts along with the change of the total illumination, so that eye structures such as ciliary muscles, pupils, crystalline lenses and the like of the user are in a relaxed state, and the eyesight of the user is effectively protected.
To facilitate understanding of the illumination control method provided in the embodiment of the present application, the following description is made with reference to the accompanying drawings, as shown in fig. 2, M1: and acquiring the current lamp-on time of the lamp and the total illumination in the illumination range of the lamp in real time. M2: judging whether the lamp-on duration is in a first time interval, a second time interval or a third time interval, and if the lamp-on duration is in the first time interval, executing a step M4: adjusting the illumination of the lamp to keep the total illumination within a preset illumination interval, keeping the color temperature within a preset value, and if the total illumination is within a third time interval, executing the step M3: keeping the illumination of the lamp unchanged, and simultaneously periodically adjusting the color temperature of the lamp, if the illumination is in the second time interval, executing the step M5: judging whether the total illumination is greater than or equal to a first preset illumination or not, and whether the total illumination is less than or equal to a second preset illumination or not, if the total illumination is greater than or equal to the first preset illumination, executing M6: calculating to obtain a plurality of decreasing duty ratios according to a current duty ratio of the power driving circuit and a first adjusting step included in a first adjusting rate corresponding to a time interval, and executing M7: and 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 executing M8: judging whether the current total illumination is less than or equal to a second preset illumination, if not, executing M9: waiting for the first unit duration, continuing to execute M6, if so, executing M10: 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 included in a second regulating speed, and then executing M11: and 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 executing M12: and judging whether the current total illumination is greater than or equal to a first preset illumination, if not, waiting for a second unit time length, continuing to execute M10, and if so, returning to M6 to continue to execute.
And 103, periodically adjusting the color temperature of the lamp according to the fact that the current lamp-on time is within a third time interval, and the third time interval is behind the second time interval.
In a possible implementation manner, when the processor acquires that the on-time of the current lamp is in a third time interval, the third time interval is after the second time interval, the illumination of the lamp is controlled to keep a preset value, and the color temperature is controlled to change cyclically according to a set period.
The specific color temperature is cyclically varied according to a set period by varying the ratio of different lights. For example, increasing the proportion of red light warms the color temperature and increasing the proportion of blue light cools the color temperature. In the embodiment of the application, the color temperature is warm light by increasing the proportion of red light in a set period, after the warm light state is kept in the set time period, the color temperature is changed into a cold light state by firstly reducing the proportion of red light and then increasing the proportion of blue light, after the lamp is kept in the cold light state for a preset period, the color temperature of the lamp is returned to the warm light state by increasing the proportion of red light after reducing the proportion of blue light, and the color temperature of the lamp is continuously changed circularly according to the set period, so that the color temperature of the lamp is changed circularly.
The period of the color temperature cycle change may be a time period change of 25 seconds to 30 seconds, or may be other periods to perform cycle change, and is not limited herein. The change in color temperature may be from 4000K to 2700K to 4000K.
The illumination and the color temperature of the lamp are dynamically adjusted in a self-adaptive mode after the lamp is turned on, the total illumination of the lamp and the total illumination superposed with the ambient illumination in the illumination range of the lamp is continuously changed, and the color temperature is changed according to different time interval periods, so that the pupil of a user is adapted to the change of the total illumination or the color temperature and is continuously expanded or reduced, eye structures such as ciliary muscles, pupils and crystalline lenses of the user can be in a relaxed state, and under the condition that the eye using habit, the sitting posture, the learning rhythm or the 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 ceiling lamp, and the light source 400 may be an LED lamp. The light sensor 500 is mounted on the lighting control device within the range covered by the light of the device, and if the lighting control device is a desk lamp, the light 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;
a processor 200, configured to obtain a current lighting time of the light source 400 in real time; adjusting the illumination of the light source 400 by the power driving circuit 300 until the total illumination is less than or equal to a second preset illumination according to the fact that the current lamp-on duration is within a second time interval, the second time interval is behind the first time interval, and the total illumination is greater than or equal to the first preset illumination; and, for increasing the illumination of the light source 400 through the power driving circuit 300 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 for decreasing the illumination of the light source 400 through the power driving circuit 300 again; and is used for periodically adjusting the color temperature of the light source 400 through the power driving circuit 300 according to the current lamp-on duration being within a third time interval, the third time interval being after the second time interval; and the controller is configured to adjust the illuminance of the light source 400 within the first time interval according to the current lighting-on duration, so that the total illuminance within the illumination range of the light source 400 is kept within the preset illuminance interval.
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 drive circuit 300 in sequence according to a plurality of decreasing duty cycles every a first unit duration comprising the first adjustment rate.
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 driving circuit 300 in sequence according to a plurality of incremental duty cycles every second unit duration comprised by the second adjustment rate.
The lighting control device provided by the embodiment of the application and the lighting control method provided by the embodiment of the application have the same beneficial effects as those of the lighting control device adopted, operated or realized by the same inventive concept.
The embodiment of the present application further provides a lamp corresponding to the lighting control method provided in the foregoing embodiment, so as to execute the lighting 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 in any 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.
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 modules may be located in ram, flash, rom, prom, or eprom, registers, etc. 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 lamp provided by the embodiment of the application and the illumination control method provided by the embodiment of the application have the same inventive concept and have the same beneficial effects as the method adopted, operated or realized by the lamp.
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 executes the lighting 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.
The above description is only for the preferred embodiments 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 (10)
1. A lighting control method, the method comprising:
acquiring the current lamp-on time of a lamp and the total illumination in 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;
adjusting the illumination of the lamp according to the current lamp-on time within a first time interval so as to keep the total illumination within the illumination range of the lamp within a preset illumination interval;
adjusting the illumination of the lamp according to the fact that the current lamp-on duration is within a second time interval, the second time interval is behind the first time interval, and the total illumination is larger than or equal to a first preset illumination until the total illumination is smaller than or equal to a second preset illumination; according to the fact that the total illumination is smaller than or equal to the second preset illumination, the illumination of the lamp is increased until the total illumination is larger than or equal to the first preset illumination, and the operation of reducing the illumination of the lamp is executed again;
periodically adjusting the color temperature of the lamp according to the fact that the current lamp-on time is within a third time interval, and the third time interval is behind the second time interval;
executing the operation of reducing the illumination of the lamp according to a first regulation rate, and executing the operation of increasing the illumination of the lamp according to a second regulation rate;
the dimming the illumination of the light fixture comprises:
adjusting the illumination of the lamp according to the current electrical parameter of the lamp, the first unit time length and the first adjusting step length included in the first adjusting rate, wherein the adjusting comprises the following steps:
determining the current duty ratio of a power supply driving circuit of the lamp according to the current electrical parameters of the lamp;
calculating a plurality of decreasing duty ratios according to the current duty ratio and a first adjusting step included in the 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.
2. The method of claim 1,
and in the first time interval and the second time interval, the color temperature of the lamp is kept unchanged at a preset color temperature value.
3. The method of claim 1, wherein the dimming the illumination of the light fixture comprises:
and adjusting the illumination of the lamp according to the current electrical parameters of the lamp, the second unit duration and the second adjusting step length included in the second adjusting rate.
4. The method of claim 3, wherein 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 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 a plurality of incremental duty ratios according to the current duty ratio and a second adjusting step included in the second adjusting rate;
and adjusting the electrical parameters of the lamp in sequence according to the plurality of incremental duty cycles every second unit time length included by the second adjusting rate.
5. The method of claim 1, further comprising:
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.
6. The method of claim 1, further comprising:
and according to the fact that the illumination of the lamp is adjusted to be 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.
7. 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 within an illumination range of a light source in real time, wherein the total illumination is the sum of the illumination of the light source and ambient illumination;
adjusting the illumination of the lamp in a first time interval according to the current lamp-on duration so as to keep the total illumination in the illumination range of the lamp in a preset illumination interval;
the processor is used for acquiring the current light-on time of the light source in real time; adjusting the illumination of the light source through the power driving circuit until the total illumination is less than or equal to a second preset illumination according to the fact that the current lamp-on duration is within a second time interval, the second time interval is behind the first time interval, and the total illumination is greater than or equal to a first preset illumination; and the power driving circuit is used for increasing the illumination of the light source 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 then reducing the illumination of the light source again; the color temperature of the light source is periodically adjusted according to the fact that the current lamp-on time length is within a third time interval, and the third time interval is behind the second time interval; the illumination control device is used for adjusting the illumination of the light source within a first time interval according to the current lighting-on duration so as to keep the total illumination within the illumination range of the light source within a preset illumination interval;
the processor is used for determining the current duty ratio of the power supply driving circuit according to the current electrical parameters 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 according to the plurality of degressive duty ratios in sequence every first unit time length included by the first adjusting rate.
8. The apparatus of claim 7,
the processor is used for determining the current duty ratio of the power supply driving circuit according to the current electrical parameters of the light source; 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 light source by the power driving circuit according to the plurality of incremental duty ratios in sequence every second unit time length included by the second adjustment rate.
9. 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 1-6.
10. 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 1-6.
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| CN107682958A (en) * | 2017-10-13 | 2018-02-09 | 勤上光电股份有限公司 | A kind of LED desk lamp of computer-readable recording medium and the application medium |
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| CN103179741A (en) * | 2011-12-20 | 2013-06-26 | 西安众智惠泽光电科技有限公司 | Office lamp with automatic brightness adjusting function |
| CN104538005A (en) * | 2014-12-16 | 2015-04-22 | 深圳市金立通信设备有限公司 | Method for adjusting screen brightness |
| 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 |
| CN110753430A (en) * | 2019-10-31 | 2020-02-04 | 美智光电科技有限公司 | Light source illumination adjusting system and method, lighting device and readable storage medium |
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| CN107682958A (en) * | 2017-10-13 | 2018-02-09 | 勤上光电股份有限公司 | A kind of LED desk lamp of computer-readable recording medium and the application medium |
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