CN106594536B - Cooling protection device and method for bus LED control system - Google Patents

Cooling protection device and method for bus LED control system Download PDF

Info

Publication number
CN106594536B
CN106594536B CN201611135822.6A CN201611135822A CN106594536B CN 106594536 B CN106594536 B CN 106594536B CN 201611135822 A CN201611135822 A CN 201611135822A CN 106594536 B CN106594536 B CN 106594536B
Authority
CN
China
Prior art keywords
brightness
module
data
display
upper computer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201611135822.6A
Other languages
Chinese (zh)
Other versions
CN106594536A (en
Inventor
黄泽准
洪建一
沈坚强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Guanglian Lighting Co ltd
Original Assignee
Shanghai Guanglian Lighting Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Guanglian Lighting Co ltd filed Critical Shanghai Guanglian Lighting Co ltd
Priority to CN201611135822.6A priority Critical patent/CN106594536B/en
Publication of CN106594536A publication Critical patent/CN106594536A/en
Application granted granted Critical
Publication of CN106594536B publication Critical patent/CN106594536B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • 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
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/18—Controlling the light source by remote control via data-bus transmission
    • 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
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention relates to a cooling protection device and a cooling protection method for a bus LED control system. The device comprises an upper computer, a trigger switch, a temperature control sensor, an LED controller and an LED lamp; the upper computer is respectively connected with the trigger switch, the temperature control sensor, the LED controller and the LAN or the WLAN; the LED controller comprises a TCP/IP communication module, a central processing unit, an information storage module and an RS485 communication module; the LED lamp comprises an RS485 communication bus, an RS485 communication module, a processor and data storage module, a display monitoring module and a display module, wherein the RS485 communication module of the LED controller is connected with the RS485 communication module of the LED lamp through a write address line and the RS485 communication bus, and the RS485 communication module of the LED lamp is connected with the display module through the processor and the data storage module and the display monitoring module. The lamp has the functions of automatically triggering an external cooling system, automatically adjusting the brightness of the lamp light and the like, so that when the lamp works in a continuous high-temperature environment, cooling measures are timely taken to protect the lamp.

Description

Cooling protection device and method for bus LED control system
Technical Field
The invention relates to a bus system LED control system, in particular to a cooling protection device and a cooling protection method for the bus system LED control system.
Background
With the rapid development of the LED technology in recent years, more and more LEDs are applied to the field of illumination, but in some high-temperature areas or high-temperature environments, the LED lamp continuously works at a higher temperature for a long time, so that the service life of the LED lamp is directly influenced, even the lamp is damaged, and the lighting effect of building illumination is influenced.
Disclosure of Invention
The invention aims to provide a cooling protection device and a method for a bus LED control system, which mainly solve the technical problems in the prior art, and have the functions of automatically triggering an external cooling system, automatically adjusting the brightness of lamplight and the like according to the actual temperature condition of the scene, so that when a lamp works in a continuous high-temperature environment, cooling measures are timely taken to protect the lamp, and the service life of the lamp is prevented from being shortened and the damage caused by the lamp is avoided.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the utility model provides a bus system LED control system's cooling protection device which characterized in that: the LED lamp comprises an upper computer, a trigger switch, a temperature control sensor, an LED controller and a plurality of LED lamps connected in parallel; the upper computer is respectively connected with the trigger switch, the temperature control sensor, the LED controller and the LAN or the WLAN; the LED controller comprises a TCP/IP communication module, a central processing unit, an information storage module and an RS485 communication module, wherein: the upper computer is connected with the central processing unit through the TCP/IP communication module, and the central processing unit is respectively connected with the information storage module and the RS485 communication module; the LED lamp comprises an RS485 communication bus, an RS485 communication module, a processor and a data storage module, a display monitoring module and a display module, wherein the RS485 communication module of the LED controller is connected with the RS485 communication module of the LED lamp through a write address line and the RS485 communication bus, and the RS485 communication module of the LED lamp is connected with the display module through the processor and the data storage module and the display monitoring module.
A cooling protection method of a bus LED control system is characterized by comprising the following steps: the device is adopted, the cooling protection method is a triggering cooling method, and the method comprises the following steps:
the upper computer sets a highest temperature value and a normal working temperature value; the temperature control sensor collects the temperature condition of the surrounding environment to form temperature information data, the temperature information data are transmitted to the upper computer, the upper computer compares the received temperature information data with a set normal working temperature value and a set maximum temperature value, if the information data are higher than the set maximum temperature value, a trigger command is sent to the trigger switch, and an external cooling system connected with the trigger switch is opened to reduce the temperature around the lamp; when the upper computer receives the temperature information data from the temperature control sensor and reaches a normal working temperature value, a trigger command is sent to the trigger switch again, and an external cooling system connected with the trigger switch is closed.
The cooling protection method of the bus LED control system is characterized by comprising the following steps of: the external cooling system is an air conditioner, a fog forest system or a rain system connected with a trigger switch.
The cooling protection method of the bus LED control system is characterized by comprising the following steps of:
the upper computer sets a highest temperature value, a normal working temperature value and a duration time value; in the process of triggering the cooling method, the upper computer records the duration time from the moment of opening the trigger switch, and if the duration time value exceeds the duration time value set by the upper computer and the upper computer still does not send a trigger command to the trigger switch again, the brightness adjusting cooling function is started.
The cooling protection method of the bus LED control system is characterized by comprising the following steps of: the brightness adjusting and cooling is that the upper computer sends out a brightness adjusting command, and sends out brightness which is the brightness reducing display data; the central processing unit in the LED controller receives the brightness adjustment command and the brightness display data through the TCP/IP communication module, forwards the brightness adjustment command and the brightness display data to the RS485 communication bus through the RS485 communication module, meanwhile, receives the brightness adjustment command and the brightness display data through the RS485 communication module, the processor and the data storage module receive data corresponding to the brightness display data according to the built-in address of the processor and the data storage module, sends the received brightness display data to the display monitoring module, and the display monitoring module sends the brightness display data to the display module for display, and simultaneously collects actual display data and feeds the actual display data back to the processor and the data storage module for storage.
The cooling protection method of the bus LED control system is characterized by comprising the following steps of: the method further comprises the following steps of:
when the upper computer receives the temperature information data from the temperature control sensor and reaches a normal working temperature value, a trigger command is sent to the trigger switch again, and an external cooling system connected with the trigger switch is closed; simultaneously, the upper computer sends out a brightness recovery command and sends out brightness display data with brightness of 100%; the central processing unit in the LED controller receives the brightness restoration command and the brightness display data through the TCP/IP communication module, the brightness restoration command and the brightness display data are forwarded to the RS485 communication bus through the RS485 communication module, meanwhile, the brightness display data information storage module receives the brightness restoration command and the brightness display data through the RS485 communication module, the processor and the data storage module receive data corresponding to the brightness display data according to the built-in address of the processor and the data storage module, the received brightness display data are sent to the display monitoring module, the display monitoring module sends the brightness display data to the display module for display, and meanwhile, the acquired actual display data are fed back to the processor and the data storage module for storage, so that the lamp is protected under the continuous high-temperature environment.
The invention relates to a bus system LED light control system based on a parallel foundation, which has the functions of automatically triggering an external cooling system, automatically adjusting the brightness of light and the like according to the actual temperature condition of the scene, so that when a lamp works in a continuous high-temperature environment, cooling measures are timely taken to protect the lamp, and the service life of the lamp and damage caused by the service life of the lamp are avoided.
Drawings
Fig. 1 is a block diagram of the structure of the present invention.
Detailed Description
Referring to fig. 1, the invention discloses a cooling protection device of a bus LED control system. As shown in the figure: the intelligent LED lamp comprises an upper computer 100, a trigger switch 200, a temperature control sensor 300, an LED controller 400 and a plurality of LED lamps 500 which are connected in parallel; the upper computer 100 is respectively connected with the trigger switch 200, the temperature control sensor 300, the LED controller 400 and the LAN or WLAN; the LED controller 400 comprises a TCP/IP communication module 2, a central processing unit 3, an information storage module 4 and an RS485 communication module 5, wherein: the upper computer 100 is connected with the central processing unit 3 through the TCP/IP communication module 2, and the central processing unit 3 is respectively connected with the information storage module 4 and the RS485 communication module 5; the LED lamp 500 comprises an RS485 communication bus 7, an RS485 communication module 8, a processor and data storage module 9, a display monitoring module 10 and a display module 11, wherein the RS485 communication module 5 of the LED controller 400 is connected with the RS485 communication module 8 of the LED lamp 500 through a write address line 6 and the RS485 communication bus, and the RS485 communication module 8 of the LED lamp 500 is connected with the display module 11 through the processor and data storage module 9 and the display monitoring module 10.
The invention further discloses a cooling protection method of the bus LED control system, which adopts the device as described above, and the cooling protection method is a triggering cooling method and comprises the following steps:
the upper computer 100 sets a maximum temperature value and a normal operating temperature value; the temperature control sensor 300 collects the temperature condition of the surrounding environment to form temperature information data, the temperature information data is transmitted to the upper computer 100, the upper computer 100 compares the received temperature information data with a set normal working temperature value and a set maximum temperature value, if the information data is higher than the set maximum temperature value, a trigger command is sent to the trigger switch 200, and an external cooling system connected with the trigger switch 200 is opened to reduce the temperature around the lamp; when the upper computer 100 receives the temperature information data from the temperature control sensor 300 and reaches the normal working temperature value, a trigger command is sent to the trigger switch 200 again, and the external cooling system connected with the trigger switch is closed.
The external cooling system is an air conditioner, a mist-forest system or a rain system connected with the trigger switch 200.
The upper computer 100 sets a maximum temperature value, a normal operation temperature value and a duration value; in the process of triggering the cooling method, from the time when the trigger switch 200 is turned on, the upper computer 100 records the duration time, and if the duration time value exceeds the duration time value set by the upper computer 100 and the upper computer 100 still does not send the trigger command to the trigger switch again, the brightness adjustment cooling function is started.
The brightness adjustment and cooling is that the upper computer 100 sends out a brightness adjustment command, and sends out brightness to reduce brightness display data; the central processing unit 3 in the LED controller 400 receives the brightness adjustment command and the brightness display data through the TCP/IP communication module 2, forwards the brightness adjustment command and the brightness display data to the RS485 communication bus 7 through the RS485 communication module 5, meanwhile, the brightness display data information storage module 4 receives the brightness adjustment command and the brightness display data through the RS485 communication module 8, the processor and the data storage module 9 receive data corresponding to the brightness display data according to the built-in address of the processor and the data storage module 9, the received brightness display data is sent to the display monitoring module 10, the display monitoring module 10 sends the brightness display data to the display module 11 for display, and meanwhile, the acquired actual display data is fed back to the processor and the data storage module 9 for storage.
When the upper computer 100 receives the temperature information data from the temperature control sensor 300 and reaches the normal working temperature value, a trigger command is sent to the trigger switch 200 again, and the external cooling system connected with the trigger switch 200 is closed; meanwhile, the upper computer 100 sends out a brightness recovery command and sends out brightness display data with brightness of 100%; the central processing unit 3 in the LED controller 400 receives the brightness restoration command and the brightness display data through the TCP/IP communication module 2, forwards the brightness restoration command and the brightness display data to the RS485 communication bus 7 through the RS485 communication module 5, meanwhile, the brightness display data information storage module 4 receives the brightness restoration command and the brightness display data through the RS485 communication module 8, the processor and the data storage module 9 receive data corresponding to the brightness display data according to the built-in address of the processor and the data storage module 9, the received brightness display data is sent to the display monitoring module 10, the display monitoring module 10 sends the brightness display data to the display module 11 for display, and meanwhile, the acquired actual display data is fed back to the processor and the data storage module 10 for storage, so that the lamp is protected under the continuous high-temperature environment.
The foregoing description is merely illustrative of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Equivalent changes and modifications are intended to be within the scope of the present invention as defined in the appended claims.

Claims (2)

1. A cooling protection method of a bus LED control system is characterized by comprising the following steps: the temperature-reducing protection device comprises an upper computer (100), a trigger switch (200), a temperature control sensor (300), an LED controller (400) and a plurality of LED lamps (500) which are connected in parallel; the upper computer (100) is respectively connected with the trigger switch (200), the temperature control sensor (300), the LED controller (400) and the LAN or WLAN; the LED controller (400) comprises a TCP/IP communication module (2), a central processing unit (3), an information storage module (4) and an RS485 communication module (5), wherein: the upper computer (100) is connected with the central processing unit (3) through the TCP/IP communication module (2), and the central processing unit (3) is respectively connected with the information storage module (4) and the RS485 communication module (5); the LED lamp (500) comprises an RS485 communication bus (7), an RS485 communication module (8), a processor and a data storage module (9), a display monitoring module (10) and a display module (11), wherein the RS485 communication module (5) of the LED controller (400) is connected with the RS485 communication module (8) of the LED lamp (500) through a write address line (6) and the RS485 communication bus, and the RS485 communication module (8) of the LED lamp (500) is connected with the display module (11) through the processor and the data storage module (9) and the display monitoring module (10);
the upper computer (100) sets a highest temperature value, a normal working temperature value and a duration; the temperature control sensor (300) collects the temperature condition of the surrounding environment to form temperature information data, the temperature information data is transmitted to the upper computer (100), the upper computer (100) compares the received temperature information data with a set normal working temperature value and a set maximum temperature value, if the information data is higher than the set maximum temperature value, a trigger command is sent to the trigger switch (200), and an external cooling system connected with the trigger switch (200) is turned on to reduce the temperature around the lamp; when the upper computer (100) receives the temperature information data from the temperature control sensor (300) and reaches a normal working temperature value, a trigger command is sent to the trigger switch (200) again, and an external cooling system connected with the trigger switch is closed;
in the process of triggering the cooling method, from the time when the trigger switch (200) is turned on, the upper computer (100) records the duration time, and if the duration time value exceeds the duration time value set by the upper computer (100) and the upper computer (100) still does not send a trigger command to the trigger switch again, the brightness adjusting cooling function is started;
the brightness adjustment and cooling is that the upper computer (100) sends out a brightness adjustment command, and sends out brightness which is the brightness reduction display data; the central processing unit (3) in the LED controller (400) receives a brightness adjustment command and brightness display data through the TCP/IP communication module (2), forwards the brightness adjustment command and the brightness display data to the RS485 communication bus (7) through the RS485 communication module (5), meanwhile, the brightness display data information storage module (4) receives the brightness adjustment command and the brightness display data through the RS485 communication module (8), the processor and the data storage module (9) receive data corresponding to the brightness display data according to the built-in address of the processor and the data storage module, the received brightness display data is sent to the display monitoring module (10), the display monitoring module (10) sends the brightness display data to the display module (11) for display, and meanwhile, the collected actual display data is fed back to the processor and the data storage module (9) for storage;
when the upper computer (100) receives the temperature information data from the temperature control sensor (300) and reaches a normal working temperature value, a trigger command is sent to the trigger switch (200) again, and an external cooling system connected with the trigger switch (200) is closed; simultaneously, the upper computer (100) sends out a brightness recovery command and sends out brightness display data with brightness of 100%; a central processor (3) in an LED controller (400) receives a brightness restoration command and brightness display data through a TCP/IP communication module (2), the brightness restoration command and the brightness display data are forwarded to an RS485 communication bus (7) through an RS485 communication module (5), meanwhile, a brightness display data information storage module (4) receives the brightness restoration command and the brightness display data through an RS485 communication module (8), a processor and a data storage module (9) receive data corresponding to the brightness display data according to an internal address of the processor and the data storage module, the received brightness display data are sent to a display monitoring module (10), the display monitoring module (10) sends the brightness display data to a display module (11) for display, and meanwhile, the collected actual display data are fed back to the processor and the data storage module (10) for storage, so that the lamp is protected under a continuous high-temperature environment.
2. The cooling protection method of the bus LED control system according to claim 1, wherein: the external cooling system is an air conditioner, a fog forest system or a rain system connected with the trigger switch (200).
CN201611135822.6A 2016-12-12 2016-12-12 Cooling protection device and method for bus LED control system Active CN106594536B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611135822.6A CN106594536B (en) 2016-12-12 2016-12-12 Cooling protection device and method for bus LED control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611135822.6A CN106594536B (en) 2016-12-12 2016-12-12 Cooling protection device and method for bus LED control system

Publications (2)

Publication Number Publication Date
CN106594536A CN106594536A (en) 2017-04-26
CN106594536B true CN106594536B (en) 2023-04-25

Family

ID=58599087

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611135822.6A Active CN106594536B (en) 2016-12-12 2016-12-12 Cooling protection device and method for bus LED control system

Country Status (1)

Country Link
CN (1) CN106594536B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202120142U (en) * 2010-12-28 2012-01-18 广州市雅江光电设备有限公司 Temperature protection system of LED outdoor landscape lamp
CN102568380A (en) * 2011-12-28 2012-07-11 深圳市奥拓电子股份有限公司 Light emitting diode (LED) display system and controlling method thereof
CN104267719A (en) * 2014-10-20 2015-01-07 上海光联照明有限公司 Bus-system LED display system point-by-point fault detection method and application thereof
CN106028531A (en) * 2016-06-30 2016-10-12 广州市浩洋电子有限公司 Adaptive control system and control method for temperature of LED stage lamp
CN206361419U (en) * 2016-12-12 2017-07-28 上海光联照明有限公司 A kind of cooling protection device of bus LED control system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202120142U (en) * 2010-12-28 2012-01-18 广州市雅江光电设备有限公司 Temperature protection system of LED outdoor landscape lamp
CN102568380A (en) * 2011-12-28 2012-07-11 深圳市奥拓电子股份有限公司 Light emitting diode (LED) display system and controlling method thereof
CN104267719A (en) * 2014-10-20 2015-01-07 上海光联照明有限公司 Bus-system LED display system point-by-point fault detection method and application thereof
CN106028531A (en) * 2016-06-30 2016-10-12 广州市浩洋电子有限公司 Adaptive control system and control method for temperature of LED stage lamp
CN206361419U (en) * 2016-12-12 2017-07-28 上海光联照明有限公司 A kind of cooling protection device of bus LED control system

Also Published As

Publication number Publication date
CN106594536A (en) 2017-04-26

Similar Documents

Publication Publication Date Title
CN201178509Y (en) Remote wireless control system for LED road lamp
CN104202881B (en) Street lamp control system
CN104284486A (en) Intelligent lighting device and system and intelligent lighting control method
CN105704244A (en) Mobile communication based forest safety monitoring system
CN203703790U (en) LED emergency lighting device capable of sensing smoke
CN103037598A (en) LED (Light Emitting Diode) street lamp power line carrier remote control system with vehicle monitoring function
CN105204358A (en) Smart home electric energy online management device based on remote communication of CDMA network
CN204466007U (en) A kind of wisdom new intelligent remote sensing controller
CN106594536B (en) Cooling protection device and method for bus LED control system
CN215121672U (en) Intelligent cooling system for LED display screen
CN102003770A (en) Method and device for controlling energy conservation of air conditioner of communication base station
CN206061245U (en) A kind of Intelligent lightening device
CN104902624B (en) High-power dimming control system
CN204697176U (en) A kind of visible ray infrared light light filling switched system for security protection IMAQ
CN206361419U (en) A kind of cooling protection device of bus LED control system
CN203671534U (en) LED lamp with heat-dissipating function
CN205792712U (en) Forest safety monitoring system based on mobile communication
CN205961539U (en) Home -use intelligent lighting control system
CN201926075U (en) Energy-saving controlling device for air conditioner in communication base station
CN103625799B (en) The control method of the inner auxiliary equipment of a kind of mobile energy storage container
CN210721056U (en) Street lamp energy-saving control system based on NB-IoT
CN110740624A (en) energy-saving mobile communication base station system
CN114080077A (en) LED controller with WIFI and Bluetooth dual modes
CN201652702U (en) Air-conditioning illumination intelligent control equipment
CN202488826U (en) LED lighting device capable of automatically controlling light attenuation

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant