CN112714530A - Intelligent lighting management system for modeling enterprises - Google Patents

Intelligent lighting management system for modeling enterprises Download PDF

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Publication number
CN112714530A
CN112714530A CN202011365541.6A CN202011365541A CN112714530A CN 112714530 A CN112714530 A CN 112714530A CN 202011365541 A CN202011365541 A CN 202011365541A CN 112714530 A CN112714530 A CN 112714530A
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CN
China
Prior art keywords
control
illumination
intelligent
chip
lamp
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Pending
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CN202011365541.6A
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Chinese (zh)
Inventor
于秋菊
高明
李艳秋
陈红瑞
李欢
罗丽
任文颖
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Zhongche Environmental Technology Co ltd
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Zhongche Environmental Technology Co ltd
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Priority to CN202011365541.6A priority Critical patent/CN112714530A/en
Publication of CN112714530A publication Critical patent/CN112714530A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H05B45/24—Controlling the colour of the light using electrical feedback from LEDs or from LED modules
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/52—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits in a parallel array of LEDs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention provides an intelligent lighting management system for modeling enterprises, which comprises an intelligent control system and a regional power utilization control system, wherein the intelligent control system comprises a control host and a human-computer interaction terminal connected with the control host, and power utilization parameters of the regional power utilization control system are input through the human-computer interaction terminal; the regional power utilization control system comprises a plurality of regional control devices, each divided lighting region is provided with one regional control device, each regional control device comprises a control node, a sensor group and a lamp, the sensor group and the lamp are connected with the control node, and the control node is connected with a control host. The invention can clearly show the illumination use state of the enterprise in each area at a glance, can adjust the illumination scheme in real time, provides an effective means for enterprise energy-saving management and contributes to the green development of the enterprise.

Description

Intelligent lighting management system for modeling enterprises
Technical Field
The invention relates to an illumination system, in particular to an intelligent illumination management system for modeling enterprises.
Background
With the development of green manufacturing and the all-around creation of a green system, energy conservation and consumption reduction of enterprises become key points of enterprise development, and an intelligent lighting control system becomes an important means for energy conservation and consumption reduction of enterprises. The intelligent lighting control system integrates multiple technologies such as computer technology, automatic control, network communication and the like to realize intelligent centralized management and control of lighting equipment of enterprises, can be controlled in a timing mode, can also be controlled in a linkage mode and controlled in a remote mode, can prolong the service life of a lamp and reduce management cost, can also reduce energy use for the enterprises, and accordingly promotes lighting display of manufacturing enterprises better. The intelligent illumination control system can visually display the real-time use state of illumination of each area in an enterprise through terminals such as a large screen, a mobile phone and a computer, can perform global and partial display on each production unit, an office place, a storehouse, a traffic place and the like, and presents a system solution of intelligent illumination of the enterprise through automatic control and adjustment of the intelligent system according to different light use rules.
Disclosure of Invention
The invention provides an intelligent illumination management system for modeling enterprises, which solves the problem of illumination management in the enterprises, and adopts the technical scheme as follows:
the intelligent lighting management system for the modeling enterprise comprises an intelligent control system and a regional power utilization control system, wherein the intelligent control system comprises a control host and a human-computer interaction terminal connected with the control host, and power utilization parameters of the regional power utilization control system are input through the human-computer interaction terminal; the regional power utilization control system comprises a plurality of regional control devices, each divided lighting region is provided with one regional control device, each regional control device comprises a control node, a sensor group and a lamp, the sensor group and the lamp are connected with the control node, and the control node is connected with a control host.
The control node comprises a control chip and a power switch chip, the lamp comprises an LED lamp and a lamp chip for controlling the LDE lamp, the sensor group comprises a current sensor and an optical sensor, the sensor group is installed on the periphery of the lamp, the control chip is connected with the power switch chip, the sensor group and the lamp chip, and the control chip is further connected with a clock chip.
The control chip is connected with the control host through a CAN-bus and adopts an STM32F103 singlechip; the power switch chip adopts an LM2594M chip.
The lamp chip adopts a GP9701 chip.
The clock chip adopts a DS1307Z chip of MAXIM brand for collecting the working time information of the optical sensor during manual control.
The intelligent control system has three working modes of automatic control, manual control and emergency control for the operation of the regional power utilization control system, and a control host of the intelligent control system collects information of the three working modes through a regional control device.
The control chip is further connected with the emergency lamp, and the intelligent control system, the control chip and the emergency lamp are further connected with the UPS.
The work flow of the manufacturing enterprise lighting intelligent management system is as follows:
s1: the method comprises the steps that initial information is collected, and illumination parameters of a regional power utilization control system are configured in an intelligent control system;
s2: the intelligent control system realizes the automatic control of illumination, and realizes the illumination management of the area by sending control information to the area control device, wherein the control information comprises the illumination time, the color temperature and the brightness of the lamp;
s3: during automatic control, the person with authority adjusts the illumination of the corresponding area through a human-computer interaction terminal or a mobile terminal in the corresponding authority range, and the adjustment information is collected by a control host of the intelligent control system;
s4: at other time except for automatic control, workers in the area realize manual control of illumination through the area control device, and information of the manual control is collected by a control host of the intelligent control system;
s5: and the intelligent control system displays the real-time illumination condition on the terminal display system.
When the intelligent control system is displayed, the yellow light can be displayed during normal load illumination of the lamp, the green light can be displayed during low-load illumination, the red light can be displayed during overload illumination, and detailed illumination states can be provided by clicking different areas.
In case of emergency, the control host automatically switches to emergency control, and the information of the emergency control is also collected by the control host.
The invention visually displays the lighting real-time state of an enterprise by controlling a host, a mobile phone, a sensor, a network, an automatic control technology and other modes, can intelligently adjust according to the actual production condition of a manufacturing enterprise, combines a large screen and computer display, outputs an instruction by an intelligent control unit, transmits the instruction to a regional power utilization control system, dynamically displays the lighting states of a production workshop, an auxiliary production workshop, an office place and a traffic road, gives characteristic display to lights in different lighting states, can intelligently and manually set lighting requirement rules, and intelligently calculates lighting use rules by combining annual lighting expense of the enterprise, thereby providing an important management means for energy conservation and consumption reduction of the enterprise.
Drawings
FIG. 1 is a block diagram of the architecture of the manufacturing enterprise lighting intelligent management system;
FIG. 2 is a schematic illustration of the requirements of the manufacturing enterprise lighting intelligent management system;
FIG. 3 is a block diagram of the electrical connections for control by the intelligent control system;
fig. 4 is a circuit connection block diagram of the area control device.
Detailed Description
As shown in fig. 1, the intelligent lighting management system for modeling enterprises comprises an intelligent control system, a regional power utilization control system, an emergency power supply control device and a manual control device, wherein the intelligent control system is connected with the regional power utilization control system, and regional power utilization parameters of the regional power utilization control system are set through the intelligent control system; the intelligent control system is connected with the emergency power supply control device, and when the commercial power fails, the emergency power supply control device provides electric energy support for the intelligent control system, the regional power utilization control system and the manual control device; the intelligent control system is connected with the manual control device, and when the intelligent control system breaks down, the illumination control of the regional power utilization control system is manually operated by switching to the manual control device. In the processing steps, firstly, the regional power utilization control system is controlled through the intelligent control system, and the regional power utilization control system is manually controlled by bypassing the intelligent control system if necessary.
As shown in fig. 2, the intelligent control system needs to consider various input and output factors when designing.
1. The input factors are as follows: according to an enterprise layout plan and by combining with production characteristics of manufacturing enterprises, different application scenes, illumination standards and other requirements of production workshops, auxiliary production workshops, office places, traffic roads and the like are planned in a unified mode, meanwhile, information such as types, illumination, quantity, color difference, color rendering indexes, lamp power and the like of required lighting lamps are listed, the lighting lamps are selected on the basis of energy conservation, solar lamps can be selected preferentially on the traffic roads, and voice control, induction lamps and the like can be selected for the design of the office places and the corridors.
(1) Area lighting requirements: and (4) counting according to the actual production requirement of each place, and setting a lighting time rule of each place, wherein the part belongs to basic management data. The system can be counted according to normal working time, temporary working time, weekend working time and holiday working time, and the automatic power-off setting can be realized at noon rest time;
(2) region division requirements: the process departments of the enterprise divide different functional areas such as production workshops, auxiliary production workshops, office places, traffic roads and the like, and set the lighting requirements according to different functional area types: the method comprises the steps of (1) lighting quantity, lamp type, lamp requirement, illumination requirement and the like;
(3) temporary demand: if the temporary condition exists, the team leaders can put forward emergency lighting plans and manually adjust and control lighting;
(4) emergency requirements: the emergency control mode can be triggered under the condition of emergency, such as other emergency situations of safety, fire protection, environmental protection and the like;
(5) personnel control requirements: the lighting use requirement is combined with the actual production of manufacturing enterprises, and people with different authorities can check the lighting use states of different areas in the intelligent control system.
2. Output factors are as follows: the intelligent control system can simulate a plane layout of an enterprise, output a general control schematic diagram, display the places with lamplight illumination such as production plants, roads, warehouses, office areas and the like to be visually displayed, and also display the independent state of a certain independent specific area.
(1) Controlling daily illumination: giving an optimal illumination working state by combining annual illumination cost of each area; according to the rule set at the beginning, the related illumination is started or closed within the specified time and range in combination with the annual illumination cost;
(2) abnormal lighting control: when the intelligent control system is displayed, a yellow light can be displayed during normal load illumination of the lamp, a green light can be displayed during low-load illumination, a red light can be displayed during overload illumination, and detailed illumination states can be provided by clicking different areas;
(3) emergency control: when abnormal conditions such as safety, environmental protection, fire control take place, the system automatic start emergency control measure carries out lighting control according to the emergency scheme of formulating earlier stage to automatic triggering reports control system.
(4) And (3) lighting report: normally, the lighting information reports may be generated monthly, quarterly, annually, or on demand for a specified period of time.
In addition, intelligence control system still is provided with the voice broadcast device, the voice broadcast device can report current illumination general condition according to the demand (for example click the illumination voice broadcast button in this region), can report according to the workshop, report according to prefabricated rules such as illumination energy consumption condition.
As shown in fig. 3, the intelligent control system includes a control host and a human-computer interaction terminal connected to the control host, and the electricity consumption parameters of the regional electricity consumption control system are input through the human-computer interaction terminal. The personnel with authority can dynamically adjust the illumination within the authority range according to the actual use condition on the human-computer interaction terminal, and can directly turn off the illumination of the related area.
The terminal display system can adopt the human-computer interaction terminal and also can adopt at least one display screen connected with the control host.
The manual control device is arranged on the control host machine, and switching between automatic control and manual control of illumination is realized.
The regional power utilization control system comprises a plurality of regional control devices, each divided lighting region is provided with one regional control device, and each regional control device comprises a control node, a sensor group and a lamp, wherein the sensor group and the lamp are connected with the control node. If n areas are divided in the figure, the sequence of the control nodes, the sensor groups and the lamps in each area is the same as the sequence number of the area.
When the control host runs, the control host comprises the following operation controls:
(1) automatic operation: the illumination of each area automatically runs according to the set requirements (time, illumination and the like), is controlled by the control host, and the running time and illumination of the area lamps are adjusted by the control host, so that the actual requirements of workshop production are met;
(2) manual operation: after the control host finishes the operation of turning off the illumination of a certain area according to the automatic operation, the workers in the area control the illumination of the area through the control nodes, and the illumination condition is reflected to the control host, so that the illumination can be temporarily adjusted according to the temporary production operation requirement;
(3) remote control: the control host can be connected with the mobile terminal through a network, and personnel with authority can remotely control the illumination according to actual requirements;
(4) emergency control: when abnormal conditions such as safety, environmental protection, fire control take place, the control host computer automatic start emergency control measure carries out emergency lighting control according to the emergency scheme of formulating earlier stage.
When the control host operates automatically, overall layout of the whole lighting control system is needed to be carried out according to actual lighting requirements, personnel control requirements, emergency response strategies, lighting management rules and the like of manufacturing enterprises in the earlier stage, key points such as requirements, quantity requirements, illumination requirements, time requirements and personnel control requirements of different lighting lamps in each area are identified, input work of the system is done according to actual requirements, an overall composition is needed according to actual plane diagrams of the enterprises, and the display is convenient to be carried out on a terminal display system.
And then all data input into the system are input into a background database, overall control is carried out through a control host, the control host is connected with the regional power utilization control system through a CAN-bus, and the regional power utilization control system controls the illumination and the illumination time of the regional illumination lamp through a PMW.
Finally, the following information collection can also be achieved:
1) temporary overtime scheduling: the illumination can be adjusted in the area control device according to the temporary production arrangement of the enterprise;
2) and (3) authority control: the adjustment of the lighting of the lamp by the authorized personnel within the authority range;
3) emergency lighting: the emergency lighting device can be used for emergency lighting when abnormal conditions such as safety, environmental protection, fire protection and the like occur.
As shown in fig. 4, in the area control device, the control node includes a control chip and a power switch chip, the light fixture includes an LED lamp and a corresponding light fixture chip, and the sensor group includes a current sensor and a light sensor.
The control chip is connected with the lamp and controls the lamp and the emergency lamp to be switched on and off during automatic operation. The control chip is connected with a control host through a CAN-bus, and adopts an STM32F103 single chip microcomputer, wherein the STM32 single chip microcomputer has the following characteristics:
(1) kernel: ARM32 bit Cortex-M3CPU, highest working frequency 72MHz, 1.25DMIPS/MHz, single-cycle multiplication and hardware division;
(2) a memory: 32-512KB Flash memory is integrated on the chip. 6-64KB of SRAM memory;
(3) clock, reset and power management: 2.0-3.6V power supply and drive voltage of the I/O interface. POR, PDR, and Programmable Voltage Detector (PVD). 4-16MHz crystal oscillator. An 8MHz RC oscillating circuit calibrated before leaving factory is embedded. An internal 40kHz RC oscillating circuit. PLL for CPU clock. A 32kHz crystal oscillator with calibration for the RTC;
(4) debugging mode: serial debug (SWD) and JTAG interfaces. Up to 112 fast I/O ports, up to 11 timers, up to 13 communication interfaces.
The control chip is connected with the power switch chip, and the power switch chip adopts an LM2594M chip and is used for receiving power switch operation of workers in the area. The system is usually in an automatic mode, but when certain conditions are met, the illumination can be manually controlled in the automatic mode, for example, when the illumination time is out, a worker sends a light-on signal to a control chip through a power switch, then the light-off signal is recovered when the worker operates the system, and then the automatic mode is changed again; or during the lighting time, the worker sends a light-off signal to the control chip through the power switch, then the operation is resumed to the light-on signal, and then the automatic mode is changed again.
The sensor group is arranged on the periphery of the lamp, and when the control chip directly controls the lamp to be switched on and off, the control chip can receive whether the lamp is normally powered on or not through the current sensor connected with the lamp and receive whether the lamp normally emits light or not through the light sensor, so that whether the lamp normally works or not is judged by combining current and light.
The control chip is connected with a clock chip, and the clock chip adopts a DS1307Z chip of MAXIM brand and is used for collecting the working time of the optical sensor during manual control. At other times of automatic control, when a worker manually controls lighting, for example, the lighting time of 19 points set by automatic control during overtime needs to be closed and illuminated as soon as 19 points, the person with authority in the area adjusts the light closing time through a human-computer interaction terminal or a mobile terminal, and is modified to prolong the lighting time to 21 points, then after 21 points, the lighting is closed, but the person needs to continue to operate, a power switch is turned on, the power switch chip sends a signal to a control chip, the control chip controls a lamp to be turned on, then the control chip collects the actual working time of an optical sensor through a clock chip, when the worker leaves, the power is turned off, and the time information of the manual control is collected.
The lamp chip adopts a GP9701 chip, and the GP9701 is a two-channel analog signal to PWM signal converter for double regulation of LED brightness and color temperature.
In the aspect of power supply of the regional control device, the regional control device is powered by commercial power; but the control chip and the emergency lamp can also adopt a UPS (uninterrupted power supply) to supply power.
The working process of the invention is as follows:
s1: the method comprises the steps that through information collection, illumination parameters of a regional power utilization control system are configured in an intelligent control system;
s2: the intelligent control system realizes the automatic control of illumination, and realizes the illumination management of the area by sending control information to the area control device, wherein the control information comprises the illumination time, the color temperature and the brightness of the lamp;
s3: during automatic control, the person with authority adjusts the illumination of the corresponding area through a human-computer interaction terminal or a mobile terminal in the corresponding authority range, and the adjustment information is collected by a control host of the intelligent control system;
s4: at other time except for automatic control, workers in the area realize manual control of illumination through the area control device, and information of the manual control is collected by a control host of the intelligent control system;
s5: and the intelligent control system displays the real-time illumination condition on the terminal display system.
In addition, in the emergency situation, the control host automatically switches to emergency control, and the information of the emergency control is also collected by the control host.
When the intelligent control system is in fault or error, and automatic control cannot be realized, the lighting control of the regional power utilization control system can be manually operated by switching the manual control device on the control host.
The invention can show the lighting use state of the company in each area at a glance according to the visual display of the actual use state of each manufacturing enterprise in the lighting aspect, provides a lighting scheme and suggestion by combining with the annual lighting cost budget, and can also carry out the real-time adjustment of the lighting scheme according to the emergency arrangement of production, thereby not only realizing the timing control, the linkage control, the scene mode and the remote control, but also showing the intelligent lighting characteristic of the enterprise, providing an effective means for the energy-saving management of the enterprise and contributing to the green development of the enterprise.

Claims (10)

1. The utility model provides a system modeling enterprise illumination intelligent management system which characterized in that: the intelligent control system comprises a control host and a human-computer interaction terminal connected with the control host, and power utilization parameters of the regional power utilization control system are input through the human-computer interaction terminal; the regional power utilization control system comprises a plurality of regional control devices, each divided lighting region is provided with one regional control device, each regional control device comprises a control node, a sensor group and a lamp, the sensor group and the lamp are connected with the control node, and the control node is connected with a control host.
2. The intelligent management system for lighting of a manufacturing enterprise of claim 1, wherein: the control node comprises a control chip and a power switch chip, the lamp comprises an LED lamp and a lamp chip for controlling the LDE lamp, the sensor group comprises a current sensor and an optical sensor, the sensor group is installed on the periphery of the lamp, the control chip is connected with the power switch chip, the sensor group and the lamp chip, and the control chip is further connected with a clock chip.
3. The intelligent management system for lighting of a manufacturing enterprise of claim 2, wherein: the control chip is connected with the control host through a CAN-bus and adopts an STM32F103 singlechip; the power switch chip adopts an LM2594M chip.
4. The intelligent management system for lighting of a manufacturing enterprise of claim 2, wherein: the lamp chip adopts a GP9701 chip.
5. The intelligent management system for lighting of a manufacturing enterprise of claim 2, wherein: the clock chip adopts a DS1307Z chip of MAXIM brand for collecting the working time information of the optical sensor during manual control.
6. The intelligent management system for lighting of a manufacturing enterprise of claim 1, wherein: the intelligent control system has three working modes of automatic control, manual control and emergency control for the operation of the regional power utilization control system, and a control host of the intelligent control system collects information of the three working modes through a regional control device.
7. The intelligent management system for lighting of a manufacturing enterprise of claim 2, wherein: the control chip is further connected with the emergency lamp, and the intelligent control system, the control chip and the emergency lamp are further connected with the UPS.
8. The intelligent management system for lighting of a manufacturing enterprise of claim 1, wherein: the work flow of the manufacturing enterprise lighting intelligent management system is as follows:
s1: the method comprises the steps that initial information is collected, and illumination parameters of a regional power utilization control system are configured in an intelligent control system;
s2: the intelligent control system realizes the automatic control of illumination, and realizes the illumination management of the area by sending control information to the area control device, wherein the control information comprises the illumination time, the color temperature and the brightness of the lamp;
s3: during automatic control, the person with authority adjusts the illumination of the corresponding area through a human-computer interaction terminal or a mobile terminal in the corresponding authority range, and the adjustment information is collected by a control host of the intelligent control system;
s4: at other time except for automatic control, workers in the area realize manual control of illumination through the area control device, and information of the manual control is collected by a control host of the intelligent control system;
s5: and the intelligent control system displays the real-time illumination condition on the terminal display system.
9. The intelligent management system for lighting of a manufacturing enterprise of claim 1, wherein: when the intelligent control system is displayed, the yellow light can be displayed during normal load illumination of the lamp, the green light can be displayed during low-load illumination, the red light can be displayed during overload illumination, and detailed illumination states can be provided by clicking different areas.
10. The intelligent management system for lighting of a manufacturing enterprise of claim 1, wherein: in case of emergency, the control host automatically switches to emergency control, and the information of the emergency control is also collected by the control host.
CN202011365541.6A 2020-11-28 2020-11-28 Intelligent lighting management system for modeling enterprises Pending CN112714530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011365541.6A CN112714530A (en) 2020-11-28 2020-11-28 Intelligent lighting management system for modeling enterprises

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011365541.6A CN112714530A (en) 2020-11-28 2020-11-28 Intelligent lighting management system for modeling enterprises

Publications (1)

Publication Number Publication Date
CN112714530A true CN112714530A (en) 2021-04-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011365541.6A Pending CN112714530A (en) 2020-11-28 2020-11-28 Intelligent lighting management system for modeling enterprises

Country Status (1)

Country Link
CN (1) CN112714530A (en)

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