CN112888116B - Light modulation method, light modulation device and computer storage medium - Google Patents
Light modulation method, light modulation device and computer storage medium Download PDFInfo
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- CN112888116B CN112888116B CN202110172180.1A CN202110172180A CN112888116B CN 112888116 B CN112888116 B CN 112888116B CN 202110172180 A CN202110172180 A CN 202110172180A CN 112888116 B CN112888116 B CN 112888116B
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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 application discloses a dimming method, a dimming device and a computer storage medium, wherein the dimming method comprises the following steps: when a trigger instruction is received, acquiring and storing a current environment brightness value; judging whether the brightness difference value between the current environment brightness value and the target brightness value is within a preset range; if the judgment result is negative, the stored dimming value is obtained, and the dimming direction is determined; sending a dimming instruction to the illumination equipment, wherein the dimming instruction carries a dimming direction and a dimming value; after the preset time of sending the dimming instruction, acquiring a current environment brightness value; calculating a brightness difference value between the current environment brightness value and the stored environment brightness value, and updating the stored dimming value according to the brightness difference value; updating the stored environment brightness value according to the current environment brightness value; and returning to execute the step of judging whether the brightness difference value between the current environment brightness value and the target brightness value is in the preset range. The dimming method provided by the application can shorten dimming time and improve dimming effect.
Description
Technical Field
The present application relates to the field of smart dimming technologies, and in particular, to a dimming method, a dimming device, and a computer storage medium.
Background
The lamp is the most common equipment for providing illumination, and is also one of important auxiliary appliances essential to normal life, study and work.
In the traditional light adjusting field, local operations such as a knob and a key lamp are usually used to control the brightness, color and the like of the lamp, and at present, along with the popularization and development of intelligent terminals, the intelligent lamp capable of automatically adjusting the light becomes a necessary development trend.
The inventors of the present application found in long-term research that the dimming effect of the current intelligent lamp needs to be improved.
Disclosure of Invention
The technical problem that this application mainly solves is to provide a dimming method, a dimming device and a computer storage medium, can shorten the time of dimming, improve the dimming effect.
In order to solve the technical problem, the application adopts a technical scheme that: there is provided a method of dimming, the method comprising: when the dimming equipment receives a trigger instruction, acquiring and storing a current environment brightness value; judging whether the brightness difference value between the current environment brightness value and the target brightness value is within a preset range; if the judgment result is negative, the stored dimming value is obtained, and the dimming direction is determined according to the current environment brightness value and the target brightness value; sending a dimming instruction to illumination equipment which establishes communication connection, wherein the dimming instruction carries the dimming direction and the dimming value; after the preset time for sending the dimming instruction, acquiring a current environment brightness value; calculating the brightness difference value between the current environment brightness value and the stored environment brightness value, and updating the stored dimming value according to the brightness difference value; updating the stored environment brightness value with the current environment brightness value; and returning to the step of judging whether the brightness difference value between the current environment brightness value and the target brightness value is in a preset range.
In order to solve the technical problem, the other technical scheme adopted by the application is as follows: there is provided a dimming device comprising a processor, a memory and a communication circuit, the processor being coupled to the memory and the communication circuit respectively, the memory having stored therein program data, the processor implementing the steps of the above method by executing the program data in the memory.
In order to solve the above technical problem, another technical solution adopted by the present application is: there is provided a computer storage medium having stored thereon a computer program executable by a processor to perform the steps of the above method.
The beneficial effect of this application is: the dimming method in the application updates the dimming value according to the dimming result after dimming the illumination equipment, so that no requirement is made on the relative position between the sensor for collecting the environment brightness value and the illumination equipment and the environment where the sensor is located.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:
fig. 1 is a schematic flow chart of an embodiment of a dimming method of the present application;
FIG. 2 is a prior art link diagram of a dimming device interacting with an illumination device;
fig. 3 is a link diagram of the interaction of the dimming device and the illumination device in the present application;
FIG. 4 is a schematic structural diagram of an embodiment of the dimming device of the present application;
FIG. 5 is a schematic structural diagram of an embodiment of a computer storage medium according to the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a schematic flow chart of an embodiment of a dimming method of the present application, where the dimming method includes:
s110: and when the dimming equipment receives a trigger instruction, acquiring and storing the current environment brightness value.
Specifically, the dimming device may have a function of acquiring an ambient brightness value, for example, the dimming device is integrated with a sensor for acquiring the ambient brightness value, or the dimming device does not have a function of acquiring the ambient brightness value, but establishes a communication connection with the sensor for acquiring the ambient brightness value, so as to obtain the current ambient brightness value. When the dimming device does not have the function of collecting the ambient brightness value, the sensor which is in communication connection with the dimming device and the illumination device are arranged in the same space. For convenience of explanation, the following description is made on the function of the dimming device itself for acquiring the ambient brightness value.
The trigger instruction may be an instruction sent by the user, for example, when the user wants to adjust the brightness value of the lighting device, the user sends a dimming instruction to the dimming device, and the dimming instruction is the trigger instruction, or the trigger instruction is automatically generated by the dimming device according to a preset rule, for example, when the user sets to perform dimming every half hour, the dimming device generates the trigger instruction every half hour.
S120: and judging whether the brightness difference value between the current environment brightness value and the target brightness value is within a preset range.
If the determination result is yes, the process ends, that is, the process proceeds to step S180, and if the determination result is no, the process proceeds to step S130.
Specifically, the target brightness value may be carried by the trigger instruction, or may be preset and stored in the dimming device, which is not limited herein.
Meanwhile, if the brightness difference value between the current environment brightness value and the target brightness value is within the preset range, it is indicated that the current environment brightness value meets the requirement, and the process is directly ended without dimming the illumination device near the target brightness value.
S130: and acquiring the stored dimming value, and determining the dimming direction according to the current environment brightness value and the target brightness value.
Specifically, the dimming value is an amplitude value of a rise or a fall in luminance of the illumination apparatus.
Meanwhile, if the current environment brightness value is greater than the target brightness value, the dimming direction is downward, that is, the brightness of the illumination device needs to be reduced, and if the current environment brightness value is less than the target brightness value, the dimming direction is upward, that is, the brightness of the illumination device needs to be increased.
S140: and sending a dimming instruction to the illumination equipment which establishes the communication connection, wherein the dimming instruction carries a dimming direction and a dimming value.
Specifically, the lighting device performs dimming according to the dimming instruction after receiving the dimming instruction.
The unit of the environment brightness value and the target brightness value is lux (lux), the brightness value of the illumination equipment is a level value, and the level value range is 0-255 and represents 0-100% of brightness. That is, the unit of the environment luminance value is different from the unit of the illumination device luminance value. It is understood that the unit of the dimming value is the same as the unit of the illumination device luminance value, and is different from the unit of the environment luminance value.
In an application scenario, in order to reduce the time of the whole dimming, the dimming instruction sent by the dimming device to the illumination device carries a communication identifier that can be recognized by the illumination device.
Specifically, with reference to fig. 2 and 3, in the conventional dimming method in the prior art, the illumination device reports the current ambient brightness value to the gateway, and then the gateway reports the current ambient brightness value to the cloud, and then the cloud compares the current ambient brightness value with a value (i.e., a target brightness value) set by a user, and if an absolute value of a difference between the current ambient brightness value and the target brightness value is found to exceed a preset value, a dimming instruction is issued to the gateway, and the gateway forwards the dimming instruction to the illumination device, which is long in link and not beneficial to reducing dimming time.
In this embodiment, a Zigbee (Zigbee protocol, which allows data to be exchanged between devices in a group) group communication method is used for communication between the dimming device and the illumination device, a group is pre-established between the dimming device and the illumination device, that is, the dimming device and the illumination device share a communication identifier, then, in the dimming process, the dimming device sends a dimming instruction to the illumination device in a multicast manner, that is, the dimming instruction sent by the dimming device carries the shared communication identifier, and then, after receiving the dimming instruction, the illumination device performs authentication, and performs brightness adjustment corresponding to the dimming instruction after the authentication is successful, as can be seen from fig. 2 and fig. 3, in this embodiment, a gateway is not needed to relay and forward data, and a communication link thereof can be shortened compared with a communication link in the prior art, so that dimming delay caused by a data link can be avoided, and dimming efficiency can be improved.
S150: and acquiring the current environment brightness value after the preset time for sending the dimming instruction.
Specifically, after the preset time when the dimming device sends the dimming instruction, it is determined that the lighting device has performed brightness adjustment according to the dimming instruction, and the current environment brightness value obtained at this time is the brightness value of the current environment after the lighting device performs brightness adjustment.
S160: and calculating the brightness difference value between the current environment brightness value and the stored environment brightness value, and updating the stored dimming value according to the brightness difference value.
Specifically, the stored environment brightness value is the environment brightness value before dimming, so it can be understood that the brightness difference between the current environment brightness value and the stored environment brightness value represents the change value of the environment brightness after the illumination device performs brightness adjustment according to the dimming instruction, that is, the brightness difference is the feedback of the dimming value carried by the dimming instruction, which reflects the dimming effect, and then the stored dimming value is updated according to the brightness difference, so that the dimming value carried by the next dimming instruction is the updated dimming value, that is, the next dimming effect is adjusted, thereby the dimming time can be shortened, and the dimming effect is improved.
It should be noted that, after receiving the trigger instruction, the dimming device sends the dimming instruction to the lighting device for the first time, where the dimming value carried in the dimming instruction is preset and stored in the dimming device.
Specifically, the relationship between the brightness difference value and the dimming value between the current environment brightness value and the stored environment brightness value is influenced by factors such as the relative position between the sensor (for collecting the environment brightness value) and the illumination device and the environment light, that is, the relationship between the brightness difference value (the change result of the environment brightness value) and the dimming value between the current environment brightness value and the stored environment brightness value is not fixed along with the change of the relative position between the sensor and the illumination device and the ambient environment, so the dimming value carried by the dimming instruction sent to the illumination device for the first time is preset.
In an application scene, the step of updating the stored dimming value according to the brightness difference value comprises the following steps: if the absolute value of the brightness difference is smaller than the adjustment step, increasing the stored dimming value; if the absolute value of the brightness difference value is equal to the adjustment step, keeping the stored dimming value unchanged; and if the absolute value of the brightness difference is larger than the adjustment step, reducing the stored dimming value.
In particular, the adjustment step represents a change value of the ambient brightness expected by the lighting device for each adjustment of the brightness according to the dimming command. Wherein a fixed value may be increased or decreased when the dimming value is increased or decreased.
When a trigger instruction is received, calculating the absolute value of the brightness difference value between the current environment brightness value and the target brightness value; the adjustment step is determined from the absolute value of the brightness difference.
Wherein, the step of determining the adjustment step according to the absolute value of the brightness difference comprises: calculating the product of the absolute value of the brightness difference value and the reciprocal of the obtained dimming time; the product is taken as the adjustment step.
Specifically, the dimming time is input by a user, and the adjustment step Det = | (T _ V-S _ V) |/T, where T _ V represents a current ambient brightness value obtained when a trigger instruction is received, S _ V represents a target brightness value, and T represents the dimming time.
In other application scenarios, the calculation formula for adjusting the step may also be: det = | (T _ V-S _ V) |/N, where T _ V represents a current environment brightness value obtained when the trigger instruction is received, S _ V represents a target brightness value, and N represents a dimming number, and similarly, the dimming number N may also be input by the user.
In another application scenario, the step of updating the saved dimming value according to the brightness difference value comprises: if the absolute value of the brightness difference value is smaller than the first numerical value, the saved dimming value is superposed with the first adjusting value, and the saved dimming value is updated according to the superposed result; if the absolute value of the brightness difference value is not less than the first numerical value but less than the second numerical value, the stored dimming value and the second adjustment value are superposed, and the stored dimming value is updated according to the superposed result, wherein the first numerical value and the second numerical value are both smaller than the adjustment step, the first numerical value is smaller than the second numerical value, the first adjustment value is larger than the second adjustment value, and the first adjustment value and the second adjustment value are both larger than zero; if the absolute value of the brightness difference value is not less than the second value but less than or equal to the adjustment step, keeping the saved dimming value unchanged; and if the absolute value of the brightness difference is larger than the adjustment step, reducing the stored dimming value.
The first value is one third of the adjustment step, the second value is two thirds of the adjustment step, or the first value is one fourth of the adjustment step, and the second value is three fourths of the adjustment step, as long as the first value and the second value are both smaller than the adjustment step, and the first value is smaller than the second value, which is not limited herein. For convenience of description, the first value is one third of the adjustment step, and the second value is two thirds of the adjustment step.
Specifically, when the absolute value of the luminance difference is less than one-third Det, it is described that the intensity of the dimming value is insufficient, the dimming value A1= A1+ B1 is set (A1 is the dimming value, B1 is the first adjustment value, the dimming value to be saved is superimposed on the first adjustment value, and the dimming value is updated as a result of the superimposition), when the absolute value of the luminance difference is greater than or equal to one-third Det but less than two-thirds Det, it is described that the dimming is effective but the desired effect is not achieved, the dimming value A1= A1+ B2 is set (B2 is the second adjustment value, the dimming value to be saved is superimposed on the second adjustment value, and the dimming value is updated as a result of the superimposition), when the absolute value of the luminance difference is greater than or equal to two-thirds Det but less than or equal to Det, it is described that the dimming effect is good, A1= A1 is set (i.e., the dimming value is kept unchanged), and when the absolute value of the luminance difference is greater than the adjustment step, it is described that the dimming effect is greater than two-thirds Det, i.e., the dimming value is decreased, i.e., the dimming value is greater than A1= a 3, i.e., the third dimming value, i.e., the dimming value is set (B2 is zero).
In an application scenario, after superimposing the saved dimming value with the first adjustment value and updating the saved dimming value with the superimposed result, the method further comprises: judging whether the result of the stored dimming value and the first adjustment value after superposition is smaller than a dimming threshold value or not; if the judgment result is yes, updating the stored dimming value according to the superposed result; if the judgment result is negative, sending out prompt information.
Specifically, if the result obtained by superimposing the saved dimming value and the first adjustment value is greater than or equal to the dimming threshold, it indicates that the superimposed result has reached the dimming upper limit, and at this time, there may be situations such as incorrect installation of the position of the illumination device or the sensor, or interference of an abnormal light source, and the like, and then the user is reminded.
The above describes in detail how the stored dimming value is updated, and the following steps from step S160 are described in detail with reference to fig. 1 again.
S170: and updating the stored environment brightness value with the current environment brightness value.
Specifically, the current ambient brightness value is saved so that the dimming value is updated next time.
Then, after step S170 is performed, the process returns to step S120.
S180: and ending the flow.
As can be seen from the above, after the dimming method in this embodiment dims the illumination device, the dimming value is updated according to the dimming result, that is, the dimming value is updated according to the feedback result, the dimming value is not constant, and meanwhile, the dimming value does not need to be set according to the change result of the ambient brightness value, so that there is no requirement on the relative position between the sensor for collecting the ambient brightness value and the illumination device and the environment where the sensor is located.
Meanwhile, the illumination device in the embodiment can also communicate with a remote terminal such as a mobile phone, a computer and the like, and a user can control the on and off, the brightness, the color temperature and the like of the illumination device through the remote terminal.
Referring to fig. 4, fig. 4 is a schematic structural diagram of an embodiment of the dimming device of the present application. The dimming device 200 includes a processor 210, a memory 220, and a communication circuit 230, wherein the processor 210 is coupled to the memory 220 and the communication circuit 230, respectively, the memory 220 stores program data, and the processor 210 implements the steps in the dimming method according to any of the above embodiments by executing the program data in the memory 220, wherein detailed steps can refer to the above embodiments and are not described herein again.
Referring to fig. 5, fig. 5 is a schematic structural diagram of an embodiment of a computer storage medium according to the present application. The computer storage medium 300 stores a computer program 310, the computer program 310 being executable by a processor to implement the steps of any of the methods described above.
The computer storage medium 300 may be a device that can store the computer program 310, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, or may be a server that stores the computer program 310, and the server may send the stored computer program 310 to another device for operation, or may self-operate the stored computer program 310.
The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (6)
1. A method of dimming, the method comprising:
when the dimming equipment receives a trigger instruction, acquiring and storing a current environment brightness value;
judging whether the brightness difference value between the current environment brightness value and the target brightness value is within a preset range;
if the judgment result is negative, the stored dimming value is obtained, and the dimming direction is determined according to the current environment brightness value and the target brightness value;
sending a dimming instruction to illumination equipment which establishes communication connection, wherein the dimming instruction carries the dimming direction and the dimming value;
after the preset time for sending the dimming instruction, acquiring a current environment brightness value;
calculating the brightness difference value between the current environment brightness value and the stored environment brightness value, and updating the stored dimming value according to the brightness difference value;
updating the stored ambient brightness value with the current ambient brightness value;
returning to the step of judging whether the brightness difference value between the current environment brightness value and the target brightness value is within a preset range;
wherein the step of updating the stored dimming value according to the brightness difference value comprises: if the absolute value of the brightness difference is smaller than the adjustment step, increasing the saved dimming value; if the absolute value of the brightness difference value is equal to the adjustment step, keeping the saved dimming value unchanged; if the absolute value of the brightness difference is larger than the adjustment step, reducing the saved dimming value;
wherein the adjustment step represents a change value of the expected ambient brightness of the illumination device according to the dimming instruction every time the brightness is adjusted.
2. The method of claim 1, wherein the step of sending dimming instructions to the illumination device that establishes the communication connection comprises:
and sending the dimming instruction carrying the communication identifier which can be identified by the illumination equipment to the illumination equipment which establishes the communication connection.
3. The method of claim 1, further comprising:
when the trigger instruction is received, calculating the absolute value of the brightness difference value between the current environment brightness value and the target brightness value;
and determining the adjustment step according to the absolute value of the brightness difference.
4. The method of claim 3, wherein said step of determining said adjustment step based on an absolute value of said luminance difference value comprises:
calculating the product of the absolute value of the brightness difference and the reciprocal of the obtained dimming time;
taking said product as said adjustment step.
5. A dimming device comprising a processor, a memory and a communication circuit, wherein the processor is coupled to the memory and the communication circuit respectively, the memory stores program data therein, and the processor implements the steps of the method according to any one of claims 1-4 by executing the program data in the memory.
6. A computer storage medium, characterized in that the computer storage medium stores a computer program executable by a processor to implement the steps in the method according to any of claims 1-4.
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| CN202110172180.1A CN112888116B (en) | 2021-02-08 | 2021-02-08 | Light modulation method, light modulation device and computer storage medium |
| CN202210682151.4A CN115119365A (en) | 2021-02-08 | 2021-02-08 | Light modulation method, light modulation device and computer storage medium |
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| CN114327141B (en) * | 2021-12-29 | 2023-06-30 | 深圳市华星光电半导体显示技术有限公司 | Data processing method, device, display panel and storage medium |
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| TWI433593B (en) * | 2010-12-20 | 2014-04-01 | Ind Tech Res Inst | Apparatus for adjusting dimming level and dimming method for driving light emitting unit |
| JP6516302B2 (en) * | 2014-09-22 | 2019-05-22 | Ｎｅｃディスプレイソリューションズ株式会社 | Image display apparatus and light source light control method |
| CN107124790A (en) * | 2017-05-11 | 2017-09-01 | 河海大学 | A kind of tunnel illumination Energy-saving Fuzzy Control System based on neutral net |
| CN108449856A (en) * | 2018-05-29 | 2018-08-24 | 陕西大航联科电子技术有限公司 | Intelligent lamp and intelligent lamp control system |
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