CN110107524B - Remote time difference type exhaust illumination system and control method - Google Patents
Remote time difference type exhaust illumination system and control method Download PDFInfo
- Publication number
- CN110107524B CN110107524B CN201910458043.7A CN201910458043A CN110107524B CN 110107524 B CN110107524 B CN 110107524B CN 201910458043 A CN201910458043 A CN 201910458043A CN 110107524 B CN110107524 B CN 110107524B
- Authority
- CN
- China
- Prior art keywords
- switch
- exhaust
- remote control
- remote
- power distribution
- 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
Links
- 238000005286 illumination Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004891 communication Methods 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 abstract description 9
- 230000007774 longterm Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 206010014357 Electric shock Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/57—Remote control using telephone networks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- 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]
-
- 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]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Human Computer Interaction (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention relates to a remote time difference type exhaust illumination system and a control method, wherein the system comprises an air switch, a first remote control switch, an exhaust on-site operation switch, a power distribution room exhaust fan, a time delay switch relay, an indication signal lamp, a time delay switch, a step-down coil, illumination lamplight, an illumination on-site operation switch and a second remote control switch; the invention has the advantages of small hardware investment and low cost, saves ventilation and exhaust waiting time, improves working efficiency, avoids the problems of energy waste caused by long-term ventilation and inconvenience in searching for an illumination switch at night or in an underground power distribution room, eliminates potential safety hazards, and avoids the problems of insufficient ventilation time, remote control failure and the like caused by signal delay. But also can shorten the operation time and improve the working environment of staff.
Description
Technical Field
The invention relates to the field of electric power, in particular to a remote time difference type exhaust illumination system and a control method.
Background
When entering an SF6 switch power distribution room according to the safety regulations of a power grid, if an SF6 gas content display is not arranged at the entrance, ventilation should be carried out for 15 minutes first, and the waiting process is longer. And the exhaust fan switch of the power distribution room is mostly arranged inside the power distribution room, and operation and maintenance staff can start the exhaust fan only by entering the power distribution room, so that SF6 gas is easy to inhale in the process. And the light of a part of underground power distribution room is seriously insufficient, the position of the lighting switch is irregular, the risk of electric shock to equipment and operation is found, and the risk point of endangering the health of workers is present.
In order to solve these problems, the prior art solutions mainly have the following two types:
Intelligent power distribution room control based on environmental state monitoring: mainly through installing all kinds of sensors additional, through monitoring environmental perception trigger switch such as humidity, temperature gas concentration, because detecting instrument cost is more expensive, temporarily be difficult to popularize and apply in the distribution network level.
And (3) travel switch control: when a patrol person enters a power distribution room to open a power distribution room door, a travel switch is triggered in the door opening process, so that an exhaust fan and lamplight are started, and certain timeliness and potential safety hazards exist;
disclosure of Invention
The invention provides a remote time difference type exhaust illumination system for solving the defects of high manufacturing cost and poor timeliness of an SF6 switch power distribution room detection technology in the prior art.
In order to achieve the aim of the invention, the technical scheme adopted is as follows:
A remote time difference type exhaust illumination system comprises an air switch, a first remote control switch, an exhaust on-site operation switch, a power distribution room exhaust fan, a time delay switch relay, an indication signal lamp, a time delay switch, a step-down coil, illumination light, an illumination on-site operation switch and a second remote control switch;
one end of the air switch is connected with the live wire, and the other end of the air switch is respectively connected with a normally open contact of the exhaust on-site operation switch, one end of the first remote control switch, a normally open contact of the illumination on-site operation switch and one end of the second remote control switch;
The normally closed contact of the exhaust on-site operation switch is connected with the other end of the remote control switch and one end of the step-down coil; the third port of the exhaust on-site operation switch is connected with one end of an exhaust fan of the power distribution room and one end of a delay switch relay respectively;
One end of the step-down coil is connected with one end of the first remote control switch and a normally open contact of the illumination on-site operation switch, and the other end of the step-down coil is connected with a first port of the delay switch;
The second port of the delay switch is grounded, and the third port is connected with one end of the indication signal lamp; the other end of the indication signal lamp is connected with a zero line; the other end of the power distribution room exhaust fan is connected with a 220V zero line; the other end of the delay switch relay is connected with a zero line;
the normally closed contact of the illumination on-site operation switch is connected with the second remote control switch, and the third port of the illumination on-site operation switch is optically connected with the illuminating lamp; the other end of the illumination light is connected with a zero line.
Preferably, the first remote control switch and the second remote control switch realize the control of the switch based on a GPRS communication mode.
Preferably, the voltage level of the zero line and the live line is 220V.
Preferably, the time delay switch is set to 15 minutes.
Preferably, the control voltage of the delay switch is 0.2V.
Preferably, the demonstration device comprises a power supply, a relay, a mutual inductor, a switch, a comparison amplifier and a signal lamp.
Preferably, the illumination light adopts an LED lamp.
The invention also provides a control method of the remote time difference type exhaust illumination system, which is based on the system, and comprises the following specific steps:
Step S1: and selecting the patrol place and the function position as a power distribution room, and guiding out a patrol line function position list.
Step S2: combining the patrol line function position list with a power distribution room list in a database to obtain a patrol power distribution room list, and converting longitude and latitude of a power grid power distribution room to obtain a coordinate position under a map coordinate system;
Step S3: the route point coordinate string in the map importing step S2 is used for obtaining predicted road conditions and calculating the time consumption of a route;
step S4: and (3) obtaining starting schedules of all the remote switches to carry out time difference control on each switch according to the time consuming and time reserved quantity of the route obtained in the step (S3), and setting a timing starting and stopping function on all the first remote control switches and the second remote control switches in a remote automatic batch mode through GPRS communication.
When the intelligent power distribution room is used, the first remote control switch is remotely controlled through GPRS communication, so that the exhaust fan loop and the signal delay switch are controlled, after the first remote control switch is closed, the power distribution room exhaust fan is immediately started, the delay switch relay and the exhaust fan are connected in parallel and count down, after 15 minutes of ventilation, the delay switch is closed, the signal lamp is indicated to be turned on, the inspection staff sees that the signal lamp is indicated to be turned on and then can enter the power distribution room to work, after the first remote control switch is turned off, the power distribution room exhaust fan is stopped, the parallel delay switch relay is not turned on, the delay switch is automatically turned off due to the loss of magnetic force, and the initial state is recovered.
The second remote control switch is remotely controlled through GPRS communication, the lighting light of the power distribution room is communicated, after the second remote control switch is closed, the lighting light of the power distribution room is immediately started, and when the second remote control switch is opened, the lighting light is extinguished.
Considering the failure condition of the remote control switch, the staff can directly control the power distribution room exhaust fan and the lighting lamp through the exhaust on-site operation switch and the lighting on-site operation switch.
Compared with the prior art, the invention has the beneficial effects that:
The invention has the advantages of small hardware investment and low cost, saves ventilation and exhaust waiting time, improves working efficiency, avoids the problems of energy waste caused by long-term ventilation and inconvenience in searching for an illumination switch at night or in an underground power distribution room, eliminates potential safety hazards, and avoids the problems of insufficient ventilation time, remote control failure and the like caused by signal delay. But also can shorten the operation time and improve the working environment of staff.
Drawings
Fig. 1 is a circuit configuration diagram of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent;
the invention is further illustrated in the following figures and examples.
Example 1
As shown in fig. 1, a remote time difference type exhaust illumination system comprises an air switch 1, a first remote control switch 8, an exhaust on-site operation switch 2, a power distribution room exhaust fan 3, a delay switch 5 relay 4, an indication signal lamp 6, a delay switch 5, a step-down coil 7, illumination light 10, an illumination on-site operation switch 11 and a second remote control switch 9;
One end of the air switch 1 is connected with a live wire, and the other end of the air switch is respectively connected with a normally open contact of the exhaust on-site operation switch 2, one end of the first remote control switch 8, a normally open contact of the illumination on-site operation switch 11 and one end of the second remote control switch 9;
The normally closed contact of the exhaust on-site operation switch 2 is connected with the other end of the remote control switch and one end of the voltage reducing coil 7; the third port of the exhaust on-site operation switch 2 is respectively connected with one end of the power distribution room exhaust fan 3 and one end of the relay 4 of the delay switch 5;
one end of the step-down coil 7 is connected with one end of the first remote control switch 8 and a normally open contact of the illumination on-site operation switch 11, and the other end of the step-down coil 7 is connected with a first port of the delay switch 5;
The second port of the delay switch 5 is grounded, and the third port is connected with one end of the indication signal lamp 6; the other end of the indication signal lamp 6 is connected with a zero line; the other end of the power distribution room exhaust fan 3 is connected with a 220V zero line; the other end of the delay switch 5 relay 4 is connected with a zero line;
the normally closed contact of the illumination on-site operation switch 11 is connected with the second remote control switch 9, and the third port of the illumination on-site operation switch 11 is connected with the illumination light 10; the other end of the illumination lamp light 10 is connected with a zero line.
As a preferred embodiment, the voltage level of the zero line and the live line is 220V.
As a preferred embodiment, the time delay switch 5 is set to 15 minutes.
As a preferred embodiment, the control voltage of the delay switch 5 is 0.2V.
As a preferred embodiment, the demonstration device comprises a power supply, a relay, a mutual inductor, a switch, a comparison amplifier and a signal lamp.
As a preferred embodiment, the illumination light 10 is an LED lamp.
When the intelligent power distribution room air discharge fan is used, the first remote control switch 8 is remotely controlled through GPRS communication, thereby the air discharge fan loop and the signal delay switch 5 are controlled, after the first remote control switch 8 is closed, the power distribution room air discharge fan 3 is immediately started, the relay 4 of the delay switch 5 is connected with the air discharge fan in parallel for countdown, after 15 minutes of ventilation, the delay switch 5 is closed, the current of the indication signal lamp 6 is conducted, the indication signal lamp 6 is lightened, the inspection staff sees that the indication signal lamp 6 is lightened and can enter the power distribution room to work, and after the first remote control switch 8 is disconnected, the power distribution room air discharge fan 3 is stopped, the relay 4 of the parallel delay switch 5 is not conducted, the delay switch 5 is automatically disconnected by losing magnetic force, and the initial state is recovered.
The second remote control switch 9 is remotely controlled through GPRS communication, and the lighting light 10 of the power distribution room is communicated, when the second remote control switch 9 is closed, the lighting light 10 of the power distribution room is immediately started, and when the second remote control switch 9 is opened, the lighting light 10 is extinguished.
In consideration of the failure of the remote control switch, the worker can directly control the power distribution room exhaust fan 3 and the illumination lamp 10 through the exhaust on-site operation switch 2 and the illumination on-site operation switch 11.
Example 2
The embodiment provides a remote time difference type exhaust illumination system control method, which comprises the following specific steps:
Step S1: and selecting the patrol place and the function position as a power distribution room, and guiding out a patrol line function position list.
Step S2: combining the patrol line function position list with a power distribution room list in a database to obtain a patrol power distribution room list, and converting longitude and latitude of a power grid power distribution room to obtain a coordinate position under a map coordinate system;
Step S3: the route point coordinate string in the map importing step S2 is used for obtaining predicted road conditions and calculating the time consumption of a route;
Step S4: and (3) obtaining starting schedules of all the remote switches to carry out time difference control on each switch according to the time consumption of the route obtained in the step (S3) and adding the time reservation, and setting a timing starting and stopping function on all the first remote control switches 8 and the second remote control switches 9 in a remote automatic batch mode through GPRS communication.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (6)
1. A remote time lapse exhaust lighting system control method, the method is based on a remote time lapse exhaust lighting system, the system comprises an air switch (1), a first remote control switch (8), an exhaust on-site operation switch (2), a power distribution room exhaust fan (3), a time delay switch relay (4), an indication signal lamp (6), a time delay switch (5), a step-down coil (7), lighting lights (10), a lighting on-site operation switch (11) and a second remote control switch (9);
One end of the air switch (1) is connected with a live wire, and the other end of the air switch is respectively connected with a normally open contact of the exhaust on-site operation switch (2), one end of the first remote control switch (8), a normally open contact of the illumination on-site operation switch (11) and one end of the second remote control switch (9);
The normally closed contact of the exhaust on-site operation switch (2) is connected with the other end of the first remote control switch (8) and one end of the step-down coil (7); the third port of the exhaust on-site operation switch (2) is respectively connected with one end of an exhaust fan (3) of the power distribution room and one end of a delay switch relay (4);
One end of the step-down coil (7) is connected with one end of the first remote control switch (8), and the other end of the step-down coil (7) is connected with the first port of the delay switch (5);
the second port of the delay switch (5) is grounded, and the third port is connected with one end of the indication signal lamp (6); the other end of the indication signal lamp (6) is connected with a zero line; the other end of the power distribution room exhaust fan (3) is connected with a zero line; the other end of the delay switch relay (4) is connected with a zero line;
The normally closed contact of the illumination on-site operation switch (11) is connected with the second remote control switch (9), and the third port of the illumination on-site operation switch (11) is connected with illumination light (10); the other end of the lighting lamp light (10) is connected with a zero line;
The method is characterized by comprising the following specific steps:
step S1: selecting a patrol place and a function position as a power distribution room, and guiding out a patrol line function position list;
step S2: combining the patrol line function position list with a power distribution room list in a database to obtain a patrol power distribution room list, and converting longitude and latitude of a power grid power distribution room to obtain a coordinate position under a map coordinate system;
Step S3: the route point coordinate string in the map importing step S2 is used for obtaining predicted road conditions and calculating the time consumption of a route;
step S4: and (3) obtaining starting schedules of all the remote switches to carry out time difference control on each switch according to the time consumption of the route obtained in the step (S3) and adding the time reservation, and setting a timing starting and stopping function on all the first remote control switches (8) and the second remote control switches (9) in a remote automatic batch mode through GPRS communication.
2. The method for controlling the remote time difference exhaust illumination system according to claim 1, wherein the first remote control switch (8) and the second remote control switch (9) realize the control of the switches based on a communication mode of GPRS.
3. The method of claim 1, wherein the voltage level of the zero line and the live line is 220V.
4. A control method of a remote time difference exhaust illumination system according to claim 1, characterized in that the time delay switch (5) is set to 15 minutes.
5. A method of controlling a remote time lapse exhaust lighting system according to claim 1, wherein the control voltage of the time lapse switch (5) is 0.2V.
6. A method of controlling a remote time lapse exhaust lighting system according to claim 1, wherein the lighting lamp (10) is an LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910458043.7A CN110107524B (en) | 2019-05-29 | 2019-05-29 | Remote time difference type exhaust illumination system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910458043.7A CN110107524B (en) | 2019-05-29 | 2019-05-29 | Remote time difference type exhaust illumination system and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110107524A CN110107524A (en) | 2019-08-09 |
| CN110107524B true CN110107524B (en) | 2024-04-30 |
Family
ID=67492944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910458043.7A Active CN110107524B (en) | 2019-05-29 | 2019-05-29 | Remote time difference type exhaust illumination system and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110107524B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1254130A (en) * | 1969-11-04 | 1971-11-17 | Lignin Engineering Company Ltd | Alarm system |
| CN201838048U (en) * | 2010-02-26 | 2011-05-18 | 陈家斌 | Automatic control device of high-pressure chamber door |
| CN203081827U (en) * | 2013-02-04 | 2013-07-24 | 台州市路桥区电力公司 | Draught fan remote control device |
| CN103956958A (en) * | 2014-05-05 | 2014-07-30 | 南京钢铁股份有限公司 | Anti-electricity dazzling control circuit of low-voltage frequency converter |
| CN210106228U (en) * | 2019-05-29 | 2020-02-21 | 广东电网有限责任公司 | Remote time differentiation exhaust lighting circuit |
-
2019
- 2019-05-29 CN CN201910458043.7A patent/CN110107524B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1254130A (en) * | 1969-11-04 | 1971-11-17 | Lignin Engineering Company Ltd | Alarm system |
| CN201838048U (en) * | 2010-02-26 | 2011-05-18 | 陈家斌 | Automatic control device of high-pressure chamber door |
| CN203081827U (en) * | 2013-02-04 | 2013-07-24 | 台州市路桥区电力公司 | Draught fan remote control device |
| CN103956958A (en) * | 2014-05-05 | 2014-07-30 | 南京钢铁股份有限公司 | Anti-electricity dazzling control circuit of low-voltage frequency converter |
| CN210106228U (en) * | 2019-05-29 | 2020-02-21 | 广东电网有限责任公司 | Remote time differentiation exhaust lighting circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110107524A (en) | 2019-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204459422U (en) | A kind of water pipe flow abnormity supervisory device | |
| CN107580386B (en) | Railway tunnel illumination control method based on Zigbee single-lamp controller | |
| CN101572985A (en) | Illumination monitoring system and illumination monitoring method | |
| CN108882446A (en) | A kind of lighting system based on Internet of Things | |
| CN111556629A (en) | Intelligent street lamp control system and control method thereof | |
| CN108882441A (en) | The control of underground garage intelligent LED lighting and energy-consumption monitoring system and method | |
| CN203671387U (en) | Gating indoor lighting device | |
| CN105228324A (en) | The determination methods of street lamp faiture alarm in a kind of intelligent lighting | |
| CN110611980A (en) | Airport navigation aid single lamp monitoring system based on Internet of things communication technology | |
| CN205305199U (en) | Long -range monitor control ware in city | |
| CN110107524B (en) | Remote time difference type exhaust illumination system and control method | |
| CN106304580A (en) | A kind of Landscape Lighting remote intelligent control system | |
| CN105588041A (en) | Intelligent mine roadway illuminating lamp and illuminating system | |
| CN210106228U (en) | Remote time differentiation exhaust lighting circuit | |
| CN104684137A (en) | Zigbee intelligent residential district light-emitting diode (LED) street lamp control system | |
| CN116456536A (en) | Stable work guaranteeing system and method under fault state of tunnel lighting equipment | |
| CN206620345U (en) | A kind of Centralized Controller of road lamp intelligent management system | |
| CN104780658A (en) | Wireless monitoring system for street lamps | |
| CN201830528U (en) | Device for detecting service life of street lamp | |
| CN204259259U (en) | Tramcar station Lighting Control Assembly | |
| CN208590142U (en) | A kind of NB-IoT intelligent road-lamp control equipment | |
| CN203951647U (en) | A kind of road lighting control system based on zigbee communication | |
| CN114205969A (en) | Wisdom illumination management system | |
| CN203387744U (en) | GPRS remote-control system for street-lamp illumination | |
| CN202276492U (en) | Brightening control device based on internet of things intelligent city technology |
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 |