CN111010779A - Multifunctional lighting device and multifunctional lighting system - Google Patents
Multifunctional lighting device and multifunctional lighting system Download PDFInfo
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- CN111010779A CN111010779A CN201911240217.9A CN201911240217A CN111010779A CN 111010779 A CN111010779 A CN 111010779A CN 201911240217 A CN201911240217 A CN 201911240217A CN 111010779 A CN111010779 A CN 111010779A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The embodiment of the invention provides a multifunctional lighting device and a multifunctional lighting system, and belongs to the field of lighting. The multifunctional lighting apparatus includes: the communication device is configured to establish communication with the intelligent gateway so as to communicate with the control platform through the intelligent gateway; a light effect sensing device configured to detect a lighting effect, wherein the lighting effect includes at least one of a lighting intensity, a lighting color temperature, and a lighting color; a light source device for performing illumination; and a control device configured to: the illumination effect detected by the light effect sensing device is obtained and is sent to the control platform through the communication device; acquiring an illumination control instruction of the control platform received by the communication device; and controlling the illumination effect of the light source device according to the illumination control instruction. Therefore, by adding the light effect sensing device on the multifunctional lighting equipment, the illumination effect can be determined remotely, and the abnormity can be found in time.
Description
Technical Field
The invention relates to the field of lighting, in particular to a multifunctional lighting device and a multifunctional lighting system.
Background
The lighting system is an important infrastructure closely related to the life of people, and can improve the ability of people to watch in dark places, ensure the smooth proceeding of the activities of people on one hand, and improve the safety factor on the other hand. With the acceleration of the urbanization process, the demand and the construction scale of the lighting facilities are increased day by day, but the current lighting system is not intelligent enough. On the one hand, as the light source is used for a longer time, the light source is degraded, so that the illumination effect of the light source is difficult to accurately determine. On the other hand, in the installation or maintenance process of the lighting system, if there is a configuration error or a component damage, the control of the lighting system is disordered or abnormal operation occurs, and the faults are difficult to be fed back in time.
Disclosure of Invention
To at least partially solve the above problems in the prior art, an object of embodiments of the present invention is to provide a multifunctional lighting device and a multifunctional lighting system.
In order to achieve the above object, an embodiment of the present invention provides a multifunctional illumination apparatus including: the communication device is configured to establish communication with the intelligent gateway so as to communicate with the control platform through the intelligent gateway; a light effect sensing device configured to detect a lighting effect, wherein the lighting effect includes at least one of a lighting intensity, a lighting color temperature, and a lighting color; a light source device for performing illumination; and a control device configured to: the illumination effect detected by the light effect sensing device is obtained and is sent to the control platform through the communication device; acquiring an illumination control instruction of the control platform received by the communication device; and controlling the illumination effect of the light source device according to the illumination control instruction.
Optionally, the communication device comprises: a dual mode communication module configured to be capable of communicating with the intelligent gateway based on any one of a power line broadband carrier channel and a micro-power wireless channel.
Optionally, the control device is further configured to: detecting the signal intensity of a micropower wireless channel of the dual-mode communication module; controlling the dual-mode communication module to communicate in the micropower wireless channel under the condition that the signal strength is greater than a preset threshold value; and controlling the dual-mode communication module to communicate with the power line broadband carrier channel under the condition that the signal strength is not greater than the preset threshold value.
Optionally, the communication device further comprises: a Bluetooth module configured to establish Bluetooth communication with a mobile terminal of a user.
Optionally, the multifunctional lighting device further comprises: a harmful gas sensor configured to detect whether harmful gas is present in a working environment of the multifunctional lighting apparatus; the control apparatus is further configured to: acquiring a detection result of the harmful gas sensor; and under the condition that the detection result indicates that the harmful gas exists, the communication device gives an alarm feedback to the control platform and controls the light source device to execute an alarm operation.
Optionally, the alert operation comprises at least one of: controlling the light source device to alternately flash light and dark; and controlling the light source device to change to a preset alarm illumination color.
Optionally, the multifunctional lighting device further comprises: an occupancy sensor configured to detect an occupancy state of a designated area in a working environment of the multifunctional lighting device; the control apparatus is further configured to: and controlling the working state of the light source device according to the occupation state.
Optionally, the multifunctional lighting device further comprises: a positioning sensor configured to monitor a motion state of a human body and/or an object in a working environment of the multifunctional lighting device; the control apparatus is further configured to: and acquiring the motion state, and sending the motion state to the control platform through the communication device.
In another aspect, embodiments of the present invention also provide a multifunctional lighting system, including: the above multifunctional lighting device; a control platform configured to control the multifunctional lighting device; and an intelligent gateway configured to establish a communication connection between the control platform and the multifunctional lighting device.
Optionally, the multifunctional lighting system further comprises: a control panel configured to communicate with the multifunctional lighting device through the intelligent gateway to locally control the multifunctional lighting device; the control panel comprises a dual-mode communication module to communicate with the intelligent gateway based on any one of a power line broadband carrier channel and a micropower wireless channel.
In the technical scheme, the light effect sensing device is additionally arranged on the multifunctional lighting equipment, so that the illumination effect of the working environment of the multifunctional lighting equipment is detected and fed back, the illumination effect of the multifunctional lighting equipment can be remotely determined, the illumination effect is accurately adjusted and controlled, the abnormity of the multifunctional lighting equipment can be timely found, and the multifunctional lighting equipment can be timely overhauled.
Additional features and advantages of embodiments of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention. In the drawings:
FIG. 1 is a block diagram of a multi-function lighting device provided by one embodiment of the present invention;
FIG. 2 is a block diagram of a multi-function lighting system provided by one embodiment of the present invention;
FIG. 3 is a block diagram of a multi-function lighting device provided by an alternative embodiment of the present invention; and
fig. 4 is a block diagram of a multifunctional lighting device provided by another alternative embodiment of the present invention.
Description of the reference numerals
10 multifunctional lighting device 20 intelligent gateway
30 a control platform 40 control panel,
50 mobile terminal
12 light effect sensing device of 11 communication device
13 light source device 14 control device
15 harmful gas sensor 16 occupies the place sensor
17 position sensor
111 dual-mode communication module 112 bluetooth communication module
131 driving module 132 light source module
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments 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, technical solutions between the various embodiments can 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, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
Fig. 1 is a block diagram of a multifunctional lighting device provided by an embodiment of the present invention. As shown in fig. 1, the embodiment of the present invention provides a multifunctional lighting apparatus, which may include: communication means 11, light effect sensing means 12, light source means 13 and control means 14. Wherein the communication device 11 is configured to establish communication with the intelligent gateway to communicate with the control platform through the intelligent gateway. The light effect sensing arrangement 12 is configured to detect a lighting effect, wherein the lighting effect may comprise at least one of a lighting intensity, a lighting color temperature and a lighting color. The light source device 13 may include a driving module 131 and a light source module 132, and the light source device 13 is used for illumination. The control device 14 is electrically connected to the communication device 11, the light effect sensing device 12 and the light source device 13, and configured to: the illumination effect detected by the light effect sensing device 12 is obtained and sent to the control platform through the communication device 11, and the illumination control instruction of the control platform received by the communication device 11 is obtained to control the illumination effect of the light source device 13 according to the illumination control instruction. The control device 14 may be, for example, a general purpose processor, a special purpose processor, a conventional processor, a Digital Signal Processor (DSP), a plurality of microprocessors, one or more microprocessors in association with a DSP core, a controller, a microcontroller, Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) circuits, any other type of Integrated Circuit (IC), a state machine, or the like.
So, through increase light efficiency induction system on multi-functional lighting apparatus to detect and feed back the illumination effect of multi-functional lighting apparatus's operational environment, both can long-rangely confirm multi-functional lighting apparatus's illumination effect, with adjust and control the illumination effect accurately, can in time discover multi-functional lighting apparatus's anomaly again, and overhaul in time.
Specifically, as shown in fig. 1 to 3, the light source device 14 may include a driving module 131 and a light source module 132, and the driving module 131 is used for driving the light source module 132 to illuminate. In some embodiments, the light source module 132 may include a plurality of point light sources, and different point light sources may have different illumination properties, such as different illumination intensities, illumination color temperatures, illumination colors, and the like, so that different illumination effects may be achieved by controlling the point light sources. When the multifunctional lighting device 10 is in operation, the illumination effect of the light source device 13 of the multifunctional lighting device 10 can be detected through the light effect sensing device 12. The light effect sensing device 12 can detect the illumination intensity, the illumination color and the illumination color temperature based on the photoelectric effect, the RGB three primary colors and the color temperature meter principle. Control device 14 can obtain the testing result of light effect induction system 12, and send to control platform 30 through communication device 11 via intelligent gateway 20, control platform 30 can generate illumination control instruction according to the illumination effect that light effect induction system 12 detected and required target illumination effect, this illumination control instruction sends to multifunctional lighting apparatus 10's communication device 11 via intelligent gateway 20, control device 14 adjusts light source device 13 according to illumination control instruction, so that the illumination effect of multifunctional lighting apparatus 10 reaches the target illumination effect, thereby realize the illumination intensity to multifunctional lighting apparatus 10, the accurate control of illumination colour and illumination colour temperature. And, by detecting the actual illumination intensity, illumination color and illumination color temperature of the multifunctional illumination apparatus 10 and comparing with the set illumination intensity, illumination color and illumination color temperature, it can be determined in time whether the multifunctional illumination apparatus 10 is malfunctioning. For example, when it is detected that the illumination color actually emitted by the multifunctional lighting apparatus 10 is different from the illumination color indicated by the illumination control instruction, or the illumination color temperature actually emitted by the multifunctional lighting apparatus 10 is different from the illumination color temperature indicated by the illumination control instruction, it may be determined that the multifunctional lighting apparatus is configured incorrectly; when it is detected that the difference between the actual illumination intensity emitted by the multifunctional illumination device 10 and the illumination intensity indicated by the illumination control instruction is greater than the preset light intensity threshold, it may be determined that part of the light sources of the multifunctional illumination device 10 are damaged. When it is determined that the multifunctional lighting device 10 is out of order, the failure information may be fed back to the control platform 30 to remind the operation and maintenance personnel to handle the failure in time. The operation and maintenance personnel can remotely and periodically detect the illumination effect of different multifunctional lighting devices 10 in corresponding areas through the control platform 30 to determine whether the multifunctional lighting devices 10 are in failure. So, not only improved the efficiency of patrolling and examining to multi-functional lighting apparatus, also reduced fortune dimension personnel's work load.
As shown in fig. 2 to 3, in an alternative embodiment of the present invention, the communication device 11 may include a dual mode communication module 111 and a bluetooth module 112. Wherein the dual mode Communication module 111 is configured to be able to communicate with an intelligent gateway based on any one of a Power Line Communication (PLC) channel and a micro power wireless channel, wherein the power line Communication channel is preferably a power line broadband carrier channel. The bluetooth module 112 is configured to establish bluetooth communication with a mobile terminal 50 (e.g., a cell phone, a tablet, etc.) of a user.
Specifically, the communication device 11 of the multifunctional lighting apparatus 10 may include two communication modules, a dual-mode communication module 111 and a bluetooth module 112. The dual-mode communication module 111 may adopt a dual-mode communication mode, that is, may communicate through a power line broadband carrier channel, and may communicate through a micropower wireless channel. The dual-mode communication module 111 may also be included in the intelligent gateway 20 and the control panel 40, so that power line broadband carrier communication and micro-power wireless communication can be performed between the multifunctional lighting device 10 and the intelligent gateway 20, and between the control panel 40 and the intelligent gateway 20. In practical use, the multifunctional lighting device 10 and the control panel 40 can access the communication network by using one of power line broadband carrier communication and micro-power wireless communication according to their own environment, so as to reduce the power consumption of the dual-mode communication module. For example, the multifunctional lighting device 10 and the control panel 40 may communicate in a micro-power wireless channel in case of large power line broadband carrier channel attenuation or severe interference; and under the condition that the micropower wireless channel is seriously shielded and cannot be communicated, the communication is carried out by using a power line broadband carrier channel. Therefore, the two communication modes support each other and complement each other, the defect of a single communication mode is overcome, a communication link is more stable, the anti-interference capability is stronger, the communication path is increased, and the routing efficiency is improved. In addition, compared with a DMX (Digital Multiplex) bus control method commonly used in the current lighting system, the power line broadband carrier communication has the advantages of high transmission rate, stable transmission, and no need of an antenna or extra wiring.
In one embodiment, the control device 14 of the multifunctional lighting device 10 is configured to detect the signal strength of the micropower wireless channel of the dual-mode communication module 111, and control the dual-mode communication module 111 to communicate in the micropower wireless channel if the signal strength of the micropower wireless channel is greater than a preset threshold, and control the dual-mode communication module 111 to communicate in the power line broadband carrier channel if the signal strength of the micropower wireless channel is not greater than the preset threshold. The preset threshold value can be preset according to actual conditions. It can be understood that, because the power line is not a dedicated communication channel, and the noise interference in the power line broadband carrier channel is more complicated than other communication channels, the noise may increase the signal error rate, decrease the communication quality, and even cause complete failure of communication in severe cases, for some scenes with high requirements on the communication quality, the multifunctional lighting device 10 may preferentially use the micro-power wireless channel for communication, and switch to the power line broadband carrier channel in the case of poor signal strength of the micro-power wireless channel.
The bluetooth module 112 of the multifunctional lighting device 10 can establish bluetooth communication with the mobile terminal 50 of the user, so that the user can perform field control on the multifunctional lighting device 10 by means of bluetooth communication using an application program on the mobile terminal 50 (e.g., a mobile phone, a tablet computer). In this way, the short-range wireless connection between the mobile terminal 50 and the multifunctional lighting apparatus 10 is established through bluetooth communication, on one hand, no additional gateway is needed, on the other hand, the short-range wireless connection is not affected by the environment where the multifunctional lighting apparatus 10 is located, and even in the environment such as a tunnel and a basement, the multifunctional lighting apparatus 10 can be normally controlled.
As shown in fig. 4, in an alternative embodiment of the present invention, the multifunctional lighting apparatus may further include a harmful gas sensor 15. The harmful gas sensor 15 is configured to detect whether harmful gas is present in the working environment of the multifunctional lighting device 10. The control device 14 is also configured to acquire the detection result of the harmful gas sensor 15, perform alarm feedback to the control platform 30 through the communication device 11 in the case where the detection result indicates the presence of harmful gas, and control the light source device 13 to perform an alarm operation.
The harmful gas sensor 15 can detect the concentration of, for example, CO (main component of gas) or CH4 (main component of natural gas), and in the case where the concentration of the harmful gas in the working environment of the multifunctional lighting apparatus 10 exceeds a certain level, the harmful gas sensor 15 can detect the harmful gas and give an alarm feedback to the control device 14. In case that the presence of harmful gas is determined, the control device 14 sends an alarm signal to the control platform 30 through the communication device 11 to remind the maintenance personnel of emergency treatment in time, and controls the light source device 13 to perform an alarm operation, for example, to control the light source device 13 to flash alternately in bright and dark and/or to control the light source device to change to a predetermined alarm illumination color (for example, red) to remind the personnel at the location of the multifunctional lighting apparatus 10 to evacuate in time.
Further, the multifunctional lighting device 10 may also include an occupancy sensor 16 configured to detect an occupancy state of a designated area in the operating environment of the multifunctional lighting device 10. The control means 14 are also configured to control the operating state of the light source means 13 according to the occupancy state of a specified area in the operating environment of the multifunctional lighting device 10. Specifically, the occupancy sensor 16 can detect based on ultrasonic detection and pyroelectric infrared detection, can identify human body actions through ultrasonic detection, and can discriminate ultrasonic missense based on pyroelectric infrared detection to improve the accuracy of detection. The control device 14 can control the operation state of the light source device 13, such as whether to operate or not, the illumination intensity, and the like, according to the occupancy state of the designated area, so as to form different illumination effects for different usage scenes. The designated area may be one area or a plurality of areas.
In an alternative embodiment of the present invention, the multifunctional lighting device 10 may further comprise a positioning sensor 17, the positioning sensor 17 being configured to monitor a motion state of a human body and/or an object in the working environment of the multifunctional lighting device 10. The control device 14 is also configured to acquire the motion state detected by the positioning sensor 17 and transmit the acquired motion state to the control platform 30 through the communication device 11. The positioning sensor 17 may be, for example, an image sensor or a pyroelectric infrared sensor. By detecting and collecting the motion states of the human body and/or the object in the working environment of the multifunctional lighting device 10, the working scene of the multifunctional lighting device 10 and the usage habits of the user can be counted and analyzed, and then more intelligent lighting effect control can be realized based on an artificial intelligence algorithm.
As shown in fig. 2, the present embodiment also provides a multifunctional lighting system, which may include a multifunctional lighting device 10, an intelligent gateway 20, a control platform 30, and a control panel 40. The control platform 30 may be composed of a server and a human-computer interaction device, for example, and is connected to the intelligent gateway 20 through an ethernet or a 4G network to establish a communication connection with the multifunctional lighting device 10 through the intelligent gateway 20. The control platform 30 is used to remotely control the multifunctional lighting device 10.
The control panel 40 is configured to communicate with the multifunctional lighting device 10 through the intelligent gateway 20 to locally control the multifunctional lighting device 10 for on-off operations, lighting effect adjustments, and the like. Among other things, the control panel 40 may include a control module and a dual-mode communication module capable of communicating with the intelligent gateway 20 based on any one of a power line broadband carrier channel and a micro-power wireless channel. When in use, the control panel 40 can access the communication network by adopting one communication mode of power line broadband carrier communication and micropower wireless communication according to the self environment.
While the invention has been described in detail with reference to the drawings, the invention is not limited to the details of the embodiments, and various simple modifications can be made within the technical spirit of the embodiments of the invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention will not be described separately for the various possible combinations.
Those skilled in the art will appreciate that all or part of the steps in the method according to the above embodiments may be implemented by a program, which is stored in a storage medium and includes instructions for causing a single chip, a chip, or a processor (processor) to execute all or part of the steps in the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the idea of the embodiments of the present invention.
Claims (10)
1. A multi-function lighting device, characterized in that it comprises:
the communication device is configured to establish communication with the intelligent gateway so as to communicate with the control platform through the intelligent gateway;
a light effect sensing device configured to detect a lighting effect, wherein the lighting effect includes at least one of a lighting intensity, a lighting color temperature, and a lighting color;
a light source device for performing illumination; and
a control device configured to:
the illumination effect detected by the light effect sensing device is obtained and is sent to the control platform through the communication device;
acquiring an illumination control instruction of the control platform received by the communication device; and
and controlling the illumination effect of the light source device according to the illumination control instruction.
2. The multifunctional lighting apparatus of claim 1, wherein the communication device comprises:
a dual mode communication module configured to be capable of communicating with the intelligent gateway based on any one of a power line broadband carrier channel and a micro-power wireless channel.
3. The multifunctional lighting apparatus of claim 2, wherein the control device is further configured to:
detecting the signal intensity of a micropower wireless channel of the dual-mode communication module;
controlling the dual-mode communication module to communicate in the micropower wireless channel under the condition that the signal strength is greater than a preset threshold value; and
and controlling the dual-mode communication module to communicate with the power line broadband carrier channel under the condition that the signal strength is not greater than the preset threshold value.
4. The multifunctional lighting apparatus of claim 1 or 2, wherein the communication device further comprises:
a Bluetooth module configured to establish Bluetooth communication with a mobile terminal of a user.
5. The multi-function lighting device of claim 1, further comprising:
a harmful gas sensor configured to detect whether harmful gas is present in a working environment of the multifunctional lighting apparatus;
the control apparatus is further configured to:
acquiring a detection result of the harmful gas sensor;
and under the condition that the detection result indicates that the harmful gas exists, the communication device gives an alarm feedback to the control platform and controls the light source device to execute an alarm operation.
6. The multifunctional lighting apparatus of claim 5, wherein the alert operation comprises at least one of:
controlling the light source device to alternately flash light and dark;
and controlling the light source device to change to a preset alarm illumination color.
7. The multi-function lighting device of claim 1, further comprising:
an occupancy sensor configured to detect an occupancy state of a designated area in a working environment of the multifunctional lighting device;
the control apparatus is further configured to: and controlling the working state of the light source device according to the occupation state.
8. The multi-function lighting device of claim 1, further comprising:
a positioning sensor configured to monitor a motion state of a human body and/or an object in a working environment of the multifunctional lighting device;
the control apparatus is further configured to: and acquiring the motion state, and sending the motion state to the control platform through the communication device.
9. A multi-function lighting system, characterized in that it comprises:
a multifunctional lighting device according to any one of claims 1 to 8;
a control platform configured to control the multifunctional lighting device; and
an intelligent gateway configured to establish a communication connection between the control platform and the multifunctional lighting device.
10. The multi-function lighting system of claim 9, further comprising:
a control panel configured to communicate with the multifunctional lighting device through the intelligent gateway to locally control the multifunctional lighting device;
the control panel comprises a dual-mode communication module to communicate with the intelligent gateway based on any one of a power line broadband carrier channel and a micropower wireless channel.
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| CN201911240217.9A CN111010779A (en) | 2019-12-06 | 2019-12-06 | Multifunctional lighting device and multifunctional lighting system |
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| CN201911240217.9A CN111010779A (en) | 2019-12-06 | 2019-12-06 | Multifunctional lighting device and multifunctional lighting system |
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| CN111412723A (en) * | 2020-04-20 | 2020-07-14 | 珠海格力电器股份有限公司 | Lighting system, refrigerator and showcase |
| CN113543423A (en) * | 2021-06-25 | 2021-10-22 | 北京智芯微电子科技有限公司 | Control method and device of lighting system, computer equipment and readable storage medium |
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Application publication date: 20200414 |