CN112188709A - Illumination control method, illumination device and desk lamp - Google Patents
Illumination control method, illumination device and desk lamp Download PDFInfo
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- 238000005286 illumination Methods 0.000 title claims abstract description 31
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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
- H05B47/175—Controlling the light source by remote control
- H05B47/19—Controlling the light source by remote control via wireless transmission
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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 an illumination control method, an illumination device and a desk lamp, wherein the illumination device comprises an adjustable light source, and the control method comprises the following steps: acquiring feedback data of light rays emitted by the adjustable light source and setting parameters of the lighting device; and adjusting the driving parameters of the adjustable light source according to the feedback data so as to control the light of the adjustable light source to accord with the set parameters. The illumination control method can ensure that the illumination device can accurately illuminate according to the set parameters, and is beneficial to meeting and fitting the user requirements to the maximum extent.
Description
Technical Field
The invention relates to the technical field of lighting, in particular to a lighting control method, a lighting device and a desk lamp.
Background
The lighting devices such as the desk lamp can adjust the brightness of the light through the knob or the touch key or through the Bluetooth or the WiFi by using the mobile phone, but the light of the lighting devices such as the desk lamp is easy to change when in use or the light actually emitted by the lighting devices does not reach the level set by a user, namely, the problem that the actual working conditions of the lighting devices such as the desk lamp are not consistent with the set working conditions exists.
Disclosure of Invention
The invention mainly aims to provide an illumination control method, an illumination device and a desk lamp, and aims to solve the technical problem that the actual working condition of the illumination device such as the desk lamp and the like in the prior art is not consistent with the set working condition.
In order to achieve the above object, in a first aspect, the present invention provides a lighting control method for a lighting device, where the lighting device includes an adjustable light source, and the method includes the following steps:
acquiring feedback data of light rays emitted by an adjustable light source and setting parameters of an illuminating device;
and adjusting the driving parameters of the adjustable light source according to the feedback data and the set parameters so as to control the light of the adjustable light source to accord with the set parameters.
Optionally, the step of adjusting the driving parameter of the adjustable light source according to the feedback data includes:
judging whether the difference value of the feedback data and the set parameter is smaller than a preset error threshold value or not;
if not, adjusting the driving parameters of the adjustable light source;
acquiring real-time feedback data of light emitted by the adjustable light source after the driving parameters are adjusted;
updating the feedback data based on the real-time feedback data, returning to execute the step of judging whether the difference value between the feedback data and the set parameter is smaller than the preset error threshold value, and circulating until the difference value between the feedback data and the set parameter is smaller than the preset error threshold value.
Optionally, before the step of obtaining feedback data of light emitted by the adjustable light source and the setting parameter of the lighting device, the method further includes:
acquiring a distance parameter between a target moving object and the lighting device;
judging whether the distance parameter is smaller than or equal to a first preset distance;
and if the distance parameter is less than or equal to the first preset distance, controlling the lighting device to emit light.
Optionally, if the distance parameter is less than or equal to the first preset distance, the step of controlling the lighting device to emit light includes:
if the distance parameter is smaller than or equal to the first preset distance, acquiring an ambient light parameter of the lighting device;
judging whether the ambient brightness data of the ambient light parameters are less than or equal to a preset brightness threshold value or not;
and if the ambient brightness data is less than or equal to the preset brightness threshold, controlling the lighting device to start lighting.
Optionally, if the ambient brightness data is less than or equal to the preset brightness threshold, after the step of controlling the lighting device to emit light, the method further includes:
and adjusting the driving parameters of the adjustable light source according to the ambient color temperature data of the ambient light parameters so that the color temperature of the light emitted by the adjustable light source is consistent with the ambient color temperature data.
Optionally, after the step of adjusting the driving parameter of the adjustable light source according to the feedback data and the setting parameter to control the light of the adjustable light source to be in line with the setting parameter, the method further includes:
judging whether the distance parameter is greater than or equal to a second preset distance;
if the distance parameter is greater than or equal to a second preset distance, recording the distance duration of the moving object;
and if the remote time is greater than or equal to the preset time threshold, controlling the lighting device to be turned off.
In a second aspect, the present invention also provides a lighting device comprising:
the adjustable light source can adjust the brightness and the color temperature of the adjustable light source;
the first light sensor is arranged right opposite to the adjustable light source; and
the controller is electrically connected with the first light sensor and the adjustable light source;
the first optical sensor is used for collecting feedback data of light emitted by the adjustable light source, wherein the feedback data comprises a brightness parameter and a color temperature parameter; the controller is used for acquiring feedback data of light emitted by the adjustable light source and user set parameters of the lighting device; and adjusting the driving parameters of the adjustable light source according to the feedback data and the set parameters so as to control the light of the adjustable light source to accord with the set parameters.
In a third aspect, the present invention further provides a desk lamp, including:
a desk lamp base having a support surface;
one end of the connecting piece is arranged on the supporting surface;
the lamp shade is arranged at the other end of the connecting piece, and an adjustable light source is arranged on the first side wall, facing the supporting surface, in the lamp shade;
the first light sensor is arranged on the supporting surface; and
the controller is electrically connected with the first light sensor and the adjustable light source;
the first light sensor collects feedback data of light emitted by the adjustable light source and sends the feedback data to the controller, and the controller obtains the feedback data of the light emitted by the adjustable light source and set parameters of the lighting device; and adjusting the driving parameters of the adjustable light source according to the feedback data and the set parameters so as to control the light of the adjustable light source to accord with the set parameters.
Optionally, the method further includes:
the second light sensor is arranged on a second side wall of the lampshade, which is back to the supporting surface, and the second light sensor is electrically connected with the controller so as to collect the ambient light parameters of the desk lamp and send the ambient light parameters to the controller; and
the distance sensor is electrically connected with the controller and used for collecting distance parameters of the moving object and the desk lamp in real time and sending the distance parameters to the controller.
Optionally, the desk lamp base has a magnetic attraction contact, and the magnetic attraction contact is electrically connected with the controller.
According to the technical scheme, the brightness data, the color temperature data and the like of the light emitted by the output adjustable light source are collected and used as feedback data, and then the driving parameters of the adjustable light source are adjusted according to the feedback data so as to control the light emitted by the adjustable light source to be consistent with the set parameters, namely, the lighting device can accurately illuminate according to the set parameters, and the lighting device is favorable for meeting and fitting the requirements of users to the maximum extent.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of an illumination device according to the present invention;
fig. 2 is a schematic flow chart of a first embodiment of the lighting control method of the present invention;
FIG. 3 is a flowchart illustrating a lighting control method according to a second embodiment of the present invention;
FIG. 4 is a flowchart illustrating a lighting control method according to a third embodiment of the present invention;
FIG. 5 is a flowchart illustrating a fourth embodiment of a lighting control method according to the present invention;
fig. 6 is a schematic structural diagram of a desk lamp according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Traditional lighting device such as desk lamp, bedside lamp generally select knob, button and touch key control for use based on simple interactive control, also exist at present and realize lighting device's intelligent switch through the thing networking. And the brightness of the lighting device can be adjusted by a user through a knob, a key, touch control or even the Internet of things. For example, a user sets parameters of the lighting device on a mobile phone or a tablet computer, but whether light actually emitted by an adjustable light source of the lighting device conforms to the parameters set by the user cannot be determined. Or whether the brightness and the color temperature of the light are stable in the brightness parameter or the color temperature parameter range set by the user after the adjustable light source illuminates for a period of time is also difficult to guarantee.
Therefore, the embodiment of the invention provides an illumination control method, which is characterized in that the brightness data, the color temperature data and the like of the light emitted by the output adjustable light source are collected as feedback data, and then the driving parameters of the adjustable light source are adjusted according to the feedback data to control the light emitted by the adjustable light source to be consistent with the set parameters, so that the illumination device can accurately illuminate according to the set parameters, and the illumination control method is favorable for meeting and fitting the requirements of users to the maximum extent.
In addition, the lighting control method can also be beneficial to stabilizing the light emitted by the adjustable light source within the set parameter range, and avoid the fluctuation of brightness or color temperature of the adjustable light source during lighting, so as to be beneficial to the stability of the brightness and the color temperature of the lighting device and further protect the eyesight of a user of the lighting device.
The inventive concept of the present application is further illustrated below with reference to some specific embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a recommended lighting device of a lighting control method according to an embodiment of the present invention.
The lighting device can be a lamp which is independently placed and occupies a certain indoor space, such as a desk lamp and a bedside lamp, and can also be a lighting device which is used in indoor environments or places such as bedrooms, clothes, hats or study rooms and consists of a plurality of adjustable light sources 70, switches and controllers.
In the embodiment of the present invention, the lighting device includes an adjustable light source 70, a first light sensor 40 and a controller 60.
Wherein, the brightness and the color temperature of the adjustable light source 70 can be adjusted. Specifically, the adjustable light source 70 may be an LED (light emitting diode) light bar, and the LED light bar may adopt PWM dimming, thyristor chopping dimming, analog voltage dimming, and other modes to adjust the current thereof, so as to adjust the brightness thereof. The color temperature of the adjustable light source 70 can adjust the ratio of the intensity of the three colors of light in the white light by changing the current flowing through the 3 types of red, green and blue light emitting chips, thereby realizing the conversion of the white light from cold white light to warm white light. This is not a limitation of the present application. For example, in the present application, the adjustable light source 70 includes a light fixture and an adjustment circuit.
The first light sensor 40 is disposed opposite to the adjustable light source 70, and is configured to collect feedback data of light emitted by the adjustable light source 70, where the feedback data includes a brightness parameter and a color temperature parameter. The light-sensing surface of the first light sensor 40 faces the direction of the lamp tube, so as to collect the actual brightness data and color temperature data of the light emitted by the adjustable light source 70.
The distance between the first light sensor 40 and the adjustable light source 70 may be determined according to the position of the user. For example, when the lighting device is a desk lamp, the first light sensor 40 may be disposed on an upper surface of the desk lamp base facing the light source. When the lighting device is a bedside lamp, the first light sensor 40 may be disposed on the bedside cabinet.
The controller 60 is electrically connected to the first light sensor 40 and the adjustable light source 70, and is configured to obtain feedback data of light emitted by the adjustable light source 70 and setting parameters of the lighting device; and adjusting the driving parameters of the adjustable light source according to the feedback data so as to control the light of the adjustable light source to accord with the set parameters.
The driving parameters corresponding to the setting parameters of the lighting device, such as the brightness level and the color temperature, obtained in the controller 60 are input into the closed-loop control system, and the driving parameters may be data such as the current or the voltage of the adjustable light source 70, and the data collected by the first light sensor 40 is used as feedback to adjust the driving parameters of the adjustable light source 70, so as to form a closed-loop control system, so that the light actually emitted by the adjustable light source 70 corresponds to the setting parameters.
The controller 60 includes: at least one processor 601, a memory 602, and a lighting control program stored on the memory and executable on the processor, the lighting control program configured to implement the steps of the lighting control method.
The processor 601 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and so on. The processor 601 may be implemented in at least one hardware form of a DSP (Digital Signal Processing), an FPGA (Field-Programmable Gate Array), and a PLA (Programmable Logic Array). The processor 601 may also include a main processor and a coprocessor, where the main processor is a processor for processing data in an awake state, and is also called a Central Processing Unit (CPU); a coprocessor is a low power processor for processing data in a standby state. In some embodiments, the processor 601 may be integrated with a GPU (Graphics Processing Unit), which is responsible for rendering and drawing the content required to be displayed on the display screen. The processor 601 may further include an AI (Artificial Intelligence) processor for processing relevant lighting control operations so that the lighting control model may train learning autonomously, improving efficiency and accuracy.
The memory 602 may include one or more computer-readable storage media, which may be non-transitory. The memory 602 may also include high-speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In some embodiments, a non-transitory computer readable storage medium in the memory 602 is used to store at least one instruction for execution by the processor 601 to implement the lighting control methods provided by the method embodiments herein.
In some embodiments, the controller 60 includes: a communication interface 603 and at least one peripheral device. The processor 601, the memory 602, and the communication interface 603 may be connected by buses or signal lines. Various peripheral devices may be connected to communication interface 603 via a bus, signal line, or circuit board. Specifically, the peripheral device includes: at least one of a radio frequency circuit 604 and a power supply 605.
The communication interface 603 may be used to connect at least one peripheral device related to I/O (Input/Output) to the processor 601 and the memory 602. The communication interface 603 is used for receiving the movement tracks of the plurality of mobile terminals uploaded by the user and other data through the peripheral device. In some embodiments, the processor 601, memory 602, and communication interface 603 are integrated on the same chip or circuit board; in some other embodiments, any one or two of the processor 601, the memory 602, and the communication interface 603 may be implemented on a separate chip or circuit board, which is not limited in this embodiment.
The Radio Frequency circuit 604 is used for receiving and transmitting RF (Radio Frequency) signals, also called electromagnetic signals. The rf circuit 604 communicates with a communication network and other communication devices via electromagnetic signals, for example, to enable the lighting apparatus to access the internet of things. The rf circuit 604 converts an electrical signal into an electromagnetic signal to transmit, or converts a received electromagnetic signal into an electrical signal. Optionally, the radio frequency circuit 604 comprises: an antenna system, an RF transceiver, one or more amplifiers, a tuner, an oscillator, a digital signal processor, a codec chipset, a subscriber identity module card, and so forth. The radio frequency circuitry 604 may communicate with other terminals via at least one wireless communication protocol. The wireless communication protocols include, but are not limited to: metropolitan area networks, various generation mobile communication networks (2G, 3G, 4G, and 5G), Wireless local area networks, and/or WiFi (Wireless Fidelity) networks. In some embodiments, the rf circuit 604 may further include NFC (Near Field Communication) related circuits, which are not limited in this application.
The power supply 605 is used to power the various components in the controller 60. The power supply 605 may be ac, dc, disposable or rechargeable. When power supply 605 includes a rechargeable battery, the rechargeable battery may support wired or wireless charging. The rechargeable battery may also be used to support fast charge technology.
Those skilled in the art will appreciate that the configuration shown in fig. 1 does not constitute a limitation of the lighting device and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The embodiment of the invention provides an illumination control method. Referring to fig. 2, fig. 2 is a schematic flow chart of a lighting control method according to a first embodiment of the present invention.
In the embodiment of the invention, the illumination control method comprises the following steps:
step S100, obtaining feedback data of the light emitted by the adjustable light source 70 and setting parameters of the lighting device.
Specifically, the setting parameter of the lighting apparatus is at least one of a brightness level and color temperature data that the interactive control system of the lighting apparatus has reached based on the user's motion. For example, the user sets the brightness level by turning a brightness adjustment knob. Or, in the smart home system, the user sets the brightness level or the color temperature data through a mobile phone or a virtual key on the APP.
The feedback data is the parameters of the light actually emitted by the adjustable light source 70, such as the brightness data and the color temperature data, collected by the first light sensor 40 or other detection device, and is sent to the controller 60 for use as feedback data. For example, for an LED lamp, the feedback data may be brightness and color temperature, while for an incandescent lamp, the feedback data may include brightness.
It should be noted that the acquiring operation may be performed periodically or in real time, which is not limited in the present application.
Step S200, adjusting the driving parameters of the adjustable light source 70 according to the feedback data to control the light of the adjustable light source 70 to conform to the setting parameters.
Specifically, in this step, the driving parameter of the adjustable light source 70 is a parameter value in a circuit such as the current or voltage of the adjustable light source 70 itself. In this step, the driving parameters of the adjustable light source 70 are adjusted by the feedback data, so that the light of the adjustable light source is consistent with the setting parameters, and thus the parameters such as the brightness or the color temperature of the light actually emitted by the adjustable light source 70 are consistent with the expected effect of the user.
It should be noted that the adjustment may be based on engineering parameters, such as preset engineering parameters, which are adjusted values of the adjustable light source 70 each time, and the driving parameters of the adjustable light source 70 are adjusted by calculating a difference between the feedback data and the setting parameters and determining the number of times of adjustment according to the difference, so as to finally make the light emitted by the adjustable light source 70 conform to the setting parameters.
The adjustment may also be an adaptive adjustment, i.e. the controller 60 may be selected as an adaptive PID controller, which performs control by calculating a control amount using proportional, integral, and differential according to the error of the system. The error of the PID controller 60 is the difference between the feedback data and the set parameter.
In this embodiment, the driving parameters of the adjustable light source 70 are adjusted by using the actual brightness, color temperature and other data of the light emitted by the adjustable light source 70 as feedback, so that the light emitted by the adjustable light source 70 matches the setting parameters, thereby being beneficial to the lighting device to meet and meet the user requirements to the maximum extent.
In addition, when the internal voltage or other driving parameters of the power supply system or the adjustable light source 70 fluctuate, the present embodiment may measure the change of the adjustable light source 70 in real time through the first light sensor 40, so as to stabilize the light emitted by the adjustable light source 70 within the range of the set parameters by adjusting the driving parameters of the adjustable light source 70, thereby achieving more stable illumination of the illumination device.
Based on the first embodiment of the method embodiment of the present invention, a second embodiment of the method embodiment of the present invention is presented. Referring to fig. 3, fig. 3 is a schematic flow chart of a second embodiment of the method of the present invention.
In the lighting system, the light emitted from the adjustable light source 70 does not necessarily coincide with the set parameters. The difference between the feedback data and the setting parameters can be considered to be consistent with the setting parameters and the data of the light emitted by the adjustable light source 70 within a certain error range, so as to meet the requirements.
In this embodiment, step S200 includes:
step S201, determining whether a difference between the feedback data and the setting parameter is smaller than a preset error threshold.
Step S202, if not, adjusting the driving parameters of the adjustable light source 70;
step S203, acquiring real-time feedback data of light emitted by the adjustable light source after the driving parameters are adjusted;
and step S204, updating the feedback data based on the real-time feedback data, returning to execute the step S201, and circulating until the difference value between the feedback data and the set parameter is smaller than a preset error threshold value.
Specifically, the preset error threshold may be determined by theoretical calculation according to a mathematical model, and then adjusted and modified through engineering practice.
For the situation that the difference between the feedback data and the setting parameter is smaller than the preset error threshold, it can be considered that the light actually emitted by the adjustable light source 70 is consistent with the setting parameter, and no adjustment is needed, so that resources are saved, and unnecessary adjustment actions are avoided.
And adjusting the driving parameters of the adjustable light source 70 each time, acquiring real-time feedback data of light emitted by the adjustable light source 70 in real time after the adjustment is completed, then dynamically adjusting the driving parameters of the adjustable light source 70 according to the real-time feedback data, and repeating the steps until the difference value between the real-time feedback data and the set parameters is smaller than a preset error threshold value.
In this embodiment, the driving parameters corresponding to the setting parameters such as the brightness level and the color temperature parameter that the lighting device set by the user needs to reach are used as input, the brightness data and the color temperature data of the light emitted by the output adjustable light source 70 are collected as feedback data, and then the driving parameters of the adjustable light source 70 are dynamically adjusted in real time according to the feedback data, so that the real-time feedback data and the setting parameters are smaller than the preset error threshold, thereby forming the closed-loop control of the lighting device, i.e. the lighting device is accurately lighted according to the setting parameters and is in the optimal lighting state, and the lighting device is favorable for meeting and fitting the user requirements to the greatest extent.
For example, for an LED lamp with a luminance range of 50 ± 20, the parameter is set to be luminance 50, the preset threshold error is 3, and the acquired feedback data indicates that the luminance of the adjustable light source 70 is 70, the real-time feedback data may be acquired in real time after each adjustment is performed by adjusting the driving parameter of the adjustable light source 70 for multiple times, and then the driving parameter of the adjustable light source 70 is dynamically adjusted again according to the real-time feedback data, so that the luminance of light actually emitted by the adjustable light source 70 is within a range of 50 ± 3, and the adjustment is completed.
A third embodiment of the method embodiment of the present invention is presented based on the first and second embodiments of the method embodiment of the present invention. Referring to fig. 4, fig. 4 is a schematic flow chart of a fourth embodiment of the method of the present invention.
At present, more and more use scenes provide the requirements of intelligent home. Therefore, in the present embodiment, the first and second,
before step S100, the lighting control method further includes:
and step S010, acquiring a distance parameter between the target moving object and the lighting device.
Specifically, the target moving object may be an object that is dynamic within the illumination range of the illumination apparatus. Or may be an object that moves dynamically within the location of the lighting device. For example, when the lighting device is a desk lamp, the moving object may be a dynamic moving object close to a desk lamp base. When the lighting device is a lamp in a cloakroom, the lighting device can be a dynamic moving object entering the cloakroom. The dynamic moving object may be an object that continuously moves within a certain time, or an object that partially moves within a certain time range. And it is easy to understand that the target moving object can be predefined as an object with a certain height to avoid the lighting device being triggered by a pet or the like by mistake.
The distance parameter may be a distance between the target moving object and the distance sensor. It is worth mentioning that the acquisition may be performed in real time.
Step S020, determining whether the distance parameter is less than or equal to a first preset distance.
And S030, if the distance parameter is smaller than or equal to a first preset distance, controlling the lighting device to emit light.
In particular, the first preset distance may be a preset distance, which may be adjusted by a user. When the distance parameter of the moving object is judged to be smaller than or equal to the first preset distance, the moving object is indicated to enter the illumination range, and then the illumination device can be controlled to start illumination. After the lighting device emits light, the brightness, the color temperature and the like of the light can be set by a user, namely the set parameters input by the user.
For example, when the lighting device is a table lamp, the distance parameter may be a distance from the moving object to the table lamp. The first predetermined distance may then be 1 meter. When the distance between the distance parameter and the desk lamp is less than 1 meter, the desk lamp can be controlled to start lighting, so that the user in front of the desk can be conveniently lighted.
For example, when the lighting device is a lamp on the ceiling of a locker room, the distance parameter may be the distance the moving object enters the locker room. The preset distance may be 0.5 m, i.e. when the homeowner opens the door of the cloakroom and enters the cloakroom for 0.5 m, the lights on the ceiling of the cloakroom are turned on, thereby illuminating the entire cloakroom.
In this embodiment, through the automatic lighting device that opens of distance response, satisfy intelligent house life's demand.
Further, in this embodiment, after step S200, the method further includes:
step S300, determining whether the distance parameter is greater than or equal to a second preset distance.
In step S400, if the distance parameter is greater than or equal to the second preset distance, the moving time of the moving object is recorded.
And step S500, if the distance duration is greater than or equal to the preset duration threshold, controlling the lighting device to be turned off.
Specifically, the second preset distance may be the same as or different from the first preset distance, and may be adjusted according to the user's preference and the characteristics of the lighting device itself.
When the distance parameter detected by the distance sensor is greater than or equal to the second preset distance, that is, the moving object is away from a certain distance, the away duration of the moving object is recorded, and the away duration may be the time when the moving object is away from the second preset distance. When the distance duration is greater than the preset duration threshold, the lighting device can be controlled to be turned off to save energy, and the requirement of the smart home is further met.
For example, when the light in the cloakroom detects that the homeowner leaves the cloakroom and exceeds the preset time threshold of 30S, the light in the cloakroom is automatically turned off to save energy, and no additional light-off action is required for the person.
For example, when the desk lamp in the study room detects that the user leaves the desk and exceeds the preset time threshold for 1min, the desk lamp is automatically turned off to save energy, and no additional light turning-off action is required for people.
Based on the third embodiment of the method embodiment of the present invention, a fourth embodiment of the method embodiment of the present invention is presented. Referring to fig. 5, fig. 5 is a schematic flow chart of an embodiment of the method of the present invention.
In this embodiment, step S030 includes the following steps:
step S031, if the distance parameter is less than or equal to the first preset distance, obtaining an ambient light parameter of the lighting device.
The ambient light parameter is a parameter of ambient light of the lighting device. For example, for a desk lamp, the ambient light parameter may be the ambient illuminance of a study or bedroom in which the desk lamp is placed.
Step S032, determining whether the ambient brightness data of the ambient light parameter is less than or equal to a preset brightness threshold.
In step S033, if the ambient brightness data is less than or equal to the preset brightness threshold, the lighting device is controlled to emit light.
Specifically, the preset brightness threshold is the brightness of the set environment is insufficient, and extra illumination is needed. When the distance parameter is smaller than or equal to the first preset distance and the ambient brightness data is lower than the preset brightness threshold, the fact that the current ambient user needs additional illumination is represented, and the illumination device is automatically turned on.
For example, for a desk lamp in a study, in the daytime, even if the distance parameter is less than or equal to the first preset distance, the ambient brightness data is greater than the preset brightness threshold, indicating that no additional lighting is needed, and therefore, the desk lamp is not turned on.
In this embodiment, the distance detection and the ambient light brightness judgment are used for realizing the intelligent opening of the lighting device, so that the requirements of intelligent home life are further met.
Further, in this embodiment, after step S033, the method further includes:
step S034, adjusting the driving parameters of the adjustable light source 70 according to the ambient color temperature data of the ambient light parameters, so that the color temperature of the light emitted by the adjustable light source 70 is consistent with the ambient color temperature data.
Specifically, this step is used to adaptively adjust the illumination color temperature of the adjustable light source 70 to a corresponding level according to the ambient color temperature value obtained by the sensor, so as to achieve both softness and energy saving while achieving effective illumination.
The invention also provides a desk lamp, and referring to fig. 6, fig. 6 is a schematic structural diagram of an embodiment of the desk lamp.
The invention provides a desk lamp, comprising:
a table lamp holder 10, the table lamp holder 10 having a support surface;
the connecting piece 20, one end of the connecting piece 20 is arranged on the supporting surface;
the lampshade 30, the lampshade 30 is arranged at the other end of the connecting piece 20, and the adjustable light source 70 is arranged on the first side wall of the lampshade 30 facing the supporting surface;
a first light sensor 40, the first light sensor 40 being disposed on the support surface; and the number of the first and second groups,
the controller 60, the first light sensor 40 and the adjustable light source 70 are electrically connected,
the first light sensor 40 acquires feedback data of light emitted by the adjustable light source 70 and sends the feedback data to the controller 60, and the controller 60 acquires the feedback data of light emitted by the adjustable light source 70 and acquires user-set parameters of the lighting device; the driving parameters of the adjustable light source 70 are adjusted according to the feedback data and the setting parameters, so that the feedback data is consistent with the setting parameters.
Specifically, the desk lamp base 10 is a supporting member for supporting the connection member 20 and the lamp housing 30. The desk lamp holder 10 can be placed on a desk, and can also be fixed on a wall through a sucking disc or a clamp and other components. The support surface is a surface of the desk lamp base 10 on which the connector 20 is mounted and faces the lamp housing 30. Referring to fig. 6, the supporting surface is an upper surface of the desk lamp base 10. The connector 20 is used for connecting the lamp shade 30 with the desk lamp holder 10. The connecting member 20 may be a folding arm structure, or may be a fixing rod member with a certain shape, which is not limited in the present application.
The lamp housing 30 may be hinged or fixedly connected to the other end of the connector 20. A first side wall of the lamp housing 30 facing the support surface of the desk lamp base 10 is opened with a lamp mounting groove in which an adjustable light source 70 is mounted. The adjustable light source 70 may be an LED light bar or a light group consisting of a plurality of LED light bars. The adjustable light source 70 may also be an adjustable incandescent lamp. The adjustable light source 70 is arranged towards the support surface so that the first light sensor 40 on the support surface can collect parameters such as brightness data and color temperature data of the light emitted by the adjustable light source 70.
The first light sensor 40 is installed on the supporting surface of the desk lamp base 10, the light-sensitive surface of the first light sensor faces the direction of the adjustable light source, and the surface of the first light sensor is covered with a special dimmer. The dimmer is used to attenuate the brightness for ensuring a dynamic measurement method of the first light sensor 40 without affecting the color temperature data collected by the first light sensor 40. For example, the first light sensor 40 may be an RGB light sensor.
The controller 60 may be a host MCU (micro control unit) built into the desk lamp base. The controller 60 may be an adaptive PID controller 60 to enable closed loop control of the lighting.
In this embodiment, the brightness data and the color temperature data of the light emitted by the adjustable light source 70 are collected and outputted as feedback data, and then the driving parameters of the adjustable light source 70 are adjusted according to the setting parameters and the feedback data, so that the light emitted by the adjustable light source 70 is consistent with the setting parameters, that is, the lighting device can accurately illuminate according to the setting parameters, and the lighting device is beneficial to meeting and fitting the user requirements to the maximum extent.
In some embodiments, the table lamp further comprises:
the second light sensor 50 is arranged on a second side wall of the lampshade, which is opposite to the supporting surface, and the second light sensor 50 is electrically connected with the controller 60 so as to collect the ambient light parameters of the desk lamp and send the ambient light parameters to the controller 60; and the number of the first and second groups,
and the distance sensor (not shown) is electrically connected with the controller 60, and is used for acquiring distance parameters of the moving object and the table lamp in real time and sending the distance parameters to the controller 60.
Referring to fig. 6, the second light sensor is above the lamp housing 30, facing away from the adjustable light source 70. Therefore, the irradiation direction of the adjustable light source 70 can be avoided, and the interference of the light source of the lighting device can be prevented, so as to collect the ambient light parameters. The second light sensors can be arranged in a plurality, and the ambient light parameters are correctly collected through the second light sensors so as to reduce errors. The second light sensor may also be an RGB light sensor.
Referring to fig. 6, two RGB light sensors are disposed at the front and rear ends of the top wall of the stripe lamp housing along the length direction of the stripe lamp housing.
The distance sensor may be built in the desk lamp base 10 for sensing a dynamic object in an external environment to determine whether a moving object approaches. In this embodiment, distance sensor can be 10Ghz and be close response radar function module, and radar antenna design angle is formulated with general high position, ensures that the people is close to triggering, and individual shorter pet can not trigger by mistake in the family. The 10Ghz proximity sensing radar function module exchanges data with the main controller 60 through a UART (Universal Asynchronous Receiver/Transmitter) and I/O level manner, reports a proximity state and a distance parameter when the moving object is effectively in proximity, and reports a distance parameter when the moving object is in a remote state and a remote state after being effectively in proximity. And the controller 60 controls the desk lamp to start or end lighting according to the distance parameter.
For example, in this embodiment, the 10Ghz proximity sensing radar function module sends out a 10G millimeter wave RF signal, and the 10Ghz proximity sensing radar function module receives an echo RF signal and analyzes the echo RF signal through an MCU built in the module. While exchanging data with the main controller 60 in a UARTI/O level manner.
In one embodiment, referring to fig. 6, the desk lamp base 10 has a magnetic contact 80, and the magnetic contact 80 is electrically connected to the controller 60. That is, the magnetically attractive contact 80 can attract contact products, such as tablets, cell phones, and the like. The electric connection between the tablet or the mobile phone and the desk lamp control is realized through the magnetic attraction contact 80. At this moment, the setting parameters of the adjustable light source 70 can be adjusted through a tablet, a mobile phone and other devices, the requirements of intelligent home are further met, and the use is more flexible.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A lighting control method for a lighting device, the lighting device including an adjustable light source, the method comprising the steps of:
acquiring feedback data of light rays emitted by the adjustable light source and setting parameters of the lighting device;
and adjusting the driving parameters of the adjustable light source according to the feedback data so as to control the light of the adjustable light source to accord with the set parameters.
2. The method of claim 1, wherein the step of adjusting the driving parameters of the adjustable light source according to the feedback data and the setting parameters comprises:
judging whether the difference value between the feedback data and the set parameter is smaller than a preset error threshold value or not;
if not, adjusting the driving parameters of the adjustable light source;
acquiring real-time feedback data of light emitted by the adjustable light source after the driving parameters are adjusted;
updating the feedback data based on the real-time feedback data, returning to execute the step of judging whether the difference value between the feedback data and the set parameter is smaller than a preset error threshold value, and circulating until the difference value between the feedback data and the set parameter is smaller than the preset error threshold value.
3. The method of claim 1 or 2, wherein the step of feeding back the light emitted by the adjustable light source and the setting parameters of the lighting device is preceded by the method further comprising:
acquiring a distance parameter between a target moving object and the lighting device;
judging whether the distance parameter is smaller than or equal to a first preset distance;
and if the distance parameter is less than or equal to a first preset distance, controlling the lighting device to emit light.
4. The method according to claim 3, wherein the step of controlling the lighting device to emit light if the distance parameter is less than or equal to a first preset distance comprises:
if the distance parameter is smaller than or equal to a first preset distance, acquiring an ambient light parameter of the lighting device;
judging whether the ambient brightness data of the ambient light parameters are less than or equal to a preset brightness threshold value or not;
and if the ambient brightness data is less than or equal to a preset brightness threshold value, controlling the lighting device to start lighting.
5. The method according to claim 4, wherein after the step of controlling the lighting device to emit light if the ambient brightness data is less than or equal to a preset brightness threshold, the method further comprises:
and adjusting the driving parameters of the adjustable light source according to the ambient color temperature data of the ambient light parameters so as to make the color temperature of the light emitted by the adjustable light source consistent with the ambient color temperature data.
6. The method of claim 4, wherein after the step of adjusting the driving parameters of the adjustable light source according to the feedback data and the setting parameters to control the light of the adjustable light source to conform to the setting parameters, the method further comprises:
judging whether the distance parameter is greater than or equal to a second preset distance;
if the distance parameter is greater than or equal to a second preset distance, recording the distance duration of the moving object;
and if the distance duration is greater than or equal to a preset duration threshold, controlling the lighting device to be turned off.
7. An illumination device, comprising:
the adjustable light source is adjustable in brightness and color temperature;
the first light sensor is arranged right opposite to the adjustable light source; and
the controller is electrically connected with the first light sensor and the adjustable light source;
the first optical sensor is used for collecting feedback data of light rays emitted by the adjustable light source; the controller is used for acquiring feedback data of light rays emitted by the adjustable light source and user set parameters of the lighting device; and adjusting the driving parameters of the adjustable light source according to the feedback data and the user setting parameters so as to control the light of the adjustable light source to be consistent with the setting parameters.
8. A desk lamp, comprising:
a table lamp base having a support surface;
one end of the connecting piece is arranged on the supporting surface;
the lamp shade is arranged at the other end of the connecting piece, and an adjustable light source is arranged on the first side wall, facing the supporting surface, in the lamp shade;
the first light sensor is arranged on the supporting surface; and
the controller is electrically connected with the first light sensor and the adjustable light source;
the first light sensor collects feedback data of light emitted by the adjustable light source and sends the feedback data to the controller, and the controller obtains the feedback data of the light emitted by the adjustable light source and set parameters of the lighting device; and adjusting the driving parameters of the adjustable light source according to the feedback data and the set parameters so as to control the light of the adjustable light source to be consistent with the set parameters.
9. The desk lamp of claim 8, further comprising:
the second light sensor is arranged on a second side wall of the lampshade, back to the supporting surface, and electrically connected with the controller so as to collect ambient light parameters of the desk lamp and send the ambient light parameters to the controller; and
the distance sensor is electrically connected with the controller and used for collecting distance parameters of the moving object and the table lamp in real time and sending the distance parameters to the controller.
10. The desk lamp as claimed in claim 8 or 9, wherein the desk lamp base has a magnetic contact, and the magnetic contact is electrically connected to the controller.
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| CN202011082419.8A CN112188709A (en) | 2020-10-10 | 2020-10-10 | Illumination control method, illumination device and desk lamp |
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| CN202011082419.8A CN112188709A (en) | 2020-10-10 | 2020-10-10 | Illumination control method, illumination device and desk lamp |
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