CN110505739B - Wireless urban cluster light control system - Google Patents
Wireless urban cluster light control system Download PDFInfo
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- CN110505739B CN110505739B CN201910806303.5A CN201910806303A CN110505739B CN 110505739 B CN110505739 B CN 110505739B CN 201910806303 A CN201910806303 A CN 201910806303A CN 110505739 B CN110505739 B CN 110505739B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention provides a wireless city cluster light control system which comprises a field control driving terminal, a remote monitoring platform, fixed wireless communication network base stations and mobile wireless communication network base stations, wherein the field control driving terminal is provided with a plurality of field control driving terminals, the fixed wireless communication network base stations of all working groups are connected in series and are connected with the remote monitoring platform through a wireless communication network, and the mobile wireless communication network base stations are respectively connected with the adjacent field control driving terminal, the fixed wireless communication network base stations and the remote monitoring platform through the wireless communication network. On one hand, the invention improves the centralized management capability and the data communication capability of the urban lighting system, and improves the reliability and the control precision of the urban lighting management control operation; on the other hand, the flexibility and the convenience of emergency layout operation of the control system are effectively improved, and the timely repair capability of the control signal of the lighting system after interruption due to faults and the convenience of construction of the urban emergency lighting control system are greatly improved.
Description
Technical Field
The invention relates to an urban lighting control system, in particular to a wireless urban cluster light control system.
Background
At present, along with the technical development and progress of urban night road lighting and landscape lighting system, the current urban lighting equipment has numerous quantity, large distribution area and different working state and working requirement among the lighting equipment, thus leading to the complex structure of the current urban lighting control system, aiming at the problem, the current urban lighting control system mainly carries out regional centralized management according to the urban area and the lighting type, although the system can meet the use requirement to a certain degree, the data interaction capacity among the urban lighting management systems is insufficient, thus leading to the poor centralized lighting management and the poor overall harmony in the whole area of the urban area, and being incapable of carrying out comprehensive and reasonable dispatching and dispatching on the urban lighting, thereby easily causing the poor control precision when the lamp tube system runs, and having larger error between the lighting work and the actual requirement, on the other hand, when the urban lighting system is started and stopped, the method is characterized in that the excessive impact on the power grid load during starting and stopping due to insufficient management coordination capacity is memorized, the stability and reliability of the operation of the urban power grid are seriously influenced, the overload trip accident of a local power supply system is even caused in serious cases, meanwhile, the serious harmonic pollution is extremely easy to cause to the power grid during starting and stopping control, and the operation stability of other equipment is reduced and even faults are caused in serious cases even because of the harmonic pollution to the power grid.
In addition, data communication between the current urban lighting systems and between the urban lighting systems and the field lighting equipment control systems is usually performed only by means of traditional communication network equipment, and although the use requirements can be met, the traditional communication network is high in laying, adjusting and maintaining operation difficulty and poor in operation flexibility, and on the other hand, the communication terminal and the temporary lighting system which are caused by sudden equipment faults in operation lack of rapid fault repair and emergency control management capabilities, so that great inconvenience is brought to the current urban lighting.
Therefore, in order to solve the problem, a brand new wireless city cluster light control system is urgently and needed to be developed to meet the actual use requirement.
Disclosure of Invention
The invention aims to provide a wireless city cluster light control system, a test method and a test method.
In order to achieve the purpose, the invention provides the following technical scheme:
a wireless city cluster light control system comprises field control drive terminals, a remote monitoring platform, a plurality of fixed wireless communication network base stations and mobile wireless communication network base stations, wherein the field control drive terminals are arranged in a plurality, every two field control drive terminals are connected with one fixed wireless communication network base station through a wireless communication network to form a working group, the fixed wireless communication network base stations of all the working groups are connected in series and are connected with the remote monitoring platform through the wireless communication network, and at least one mobile wireless communication network base station is connected with the adjacent field control drive terminal, the fixed wireless communication network base station and the remote monitoring platform through the wireless communication network.
Furthermore, the field control drive terminal comprises a bearing case, a partition plate, an illumination power supply circuit, an illumination control circuit, a wireless data communication circuit, a circuit fault detector, a display and a control keyboard, wherein the bearing case is of a closed cavity structure, the partition plate is embedded in the bearing case and divides the bearing case into a control cavity and a drive cavity from front to back, the illumination power supply circuit is positioned in the control cavity and is electrically connected with at least one urban lighting circuit, the illumination control circuit, the wireless data communication circuit and the circuit fault detector are all embedded in the drive cavity, the circuit fault detector is electrically connected with the illumination power supply circuit, the illumination control circuit and each urban lighting circuit electrically connected with the illumination power supply circuit through the illumination power supply circuit, the wireless data communication circuit is respectively connected with a fixed wireless communication network base station and a mobile wireless communication network base station through a wireless communication network, the lighting control circuit is electrically connected with the lighting power supply circuit, the wireless data communication circuit, the circuit fault detector, the display and the control keyboard respectively, and the display and the control keyboard are embedded in the outer surface of the bearing case.
Furthermore, the remote monitoring platform comprises an operation platform, at least two operation and control circuit systems, a display and an operation and control keyboard, wherein the operation and control circuit systems are embedded in the operation platform and are respectively connected with the display, the operation and control keyboard and a wireless communication network, each operation and control circuit system, at least one display and at least one operation and control keyboard form a working group, and the working groups are connected in parallel.
Furthermore, the fixed wireless communication network base station comprises a bearing cabinet, a relay communication system and a communication antenna tower, wherein the bearing cabinet is of a closed cavity structure, the relay communication system is embedded in the bearing cabinet and is electrically connected with the communication antenna tower, and at least one communication antenna tower is positioned outside the bearing cabinet and distributed around the axis of the bearing cabinet.
Furthermore, the mobile wireless communication network base station comprises a mobile bearing body, a GNSS satellite positioning device, a monitoring camera, an obstacle avoidance device, a communication antenna and a driving control circuit, wherein the GNSS satellite positioning device and the driving control circuit are both positioned in the bearing body, the driving control circuit is respectively and electrically connected with the GNSS satellite positioning device, the monitoring camera, the obstacle avoidance device, the communication antenna and a circuit system of the bearing body, in addition, the driving control circuit is respectively connected with a field control driving terminal adjacent to the field control driving terminal and a remote monitoring platform through a wireless communication network, the monitoring camera, the obstacle avoidance device and the communication antenna are a plurality of and are uniformly distributed on the outer surface of the bearing body around the axis of the bearing body.
Further, any one or more of an unmanned aerial vehicle, an unmanned ship, a manned aircraft, a manned vehicle and a manned ship of the movable carrying body can be used simultaneously.
On one hand, the centralized management capability and the data communication capability of the urban lighting system can be effectively improved, so that the reliability and the control precision of urban lighting management control operation are greatly improved, the defects of poor control precision caused by insufficient data communication, impact damage and harmonic pollution to power grid load during start-stop control and the like commonly existing in the traditional lighting control system are overcome, and the stability and the reliability of the operation of the urban lighting system are improved; on the other hand, the flexibility and the convenience of emergency layout operation of the control system are effectively improved, the timely repair capability of the control signal of the lighting system after interruption due to faults and the convenience of construction of the urban emergency lighting control system are greatly improved, and therefore the purposes of improving the operation stability, the flexibility and the fault resistance of the urban lighting system are effectively achieved.
The working efficiency and accuracy of the audio signal coding operation can be effectively improved, on the other hand, the efficiency of the audio decoding operation and the accuracy of sound restoration can be effectively improved, and meanwhile, the output form of the audio file can be flexibly adjusted according to the actual use requirement during sound restoration, so that the working efficiency and quality of the coding and decoding operation of the audio file can be effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and obviously, the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a field control driving terminal;
FIG. 3 is a schematic diagram of a remote monitoring platform;
FIG. 4 is a schematic diagram of a fixed wireless communication network base station;
fig. 5 is a schematic diagram of a mobile wireless communication network base station.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, a wireless city cluster light control system includes a field control driver terminal 1, a remote monitoring platform 2, a fixed wireless communication network base station 3 and a mobile wireless communication network base station 4, where the number of the field control driver terminals is 1, and every two field control driver terminals 1 and one fixed wireless communication network base station 3 are connected through a wireless communication network to form a working group, the fixed wireless communication network base stations 3 of each working group are connected in series and connected with the remote monitoring platform 2 through a wireless communication network, and at least one mobile wireless communication network base station 4 is connected with the adjacent field control driver terminal 1, the fixed wireless communication network base station 3 and the remote monitoring platform 4 through wireless communication networks.
The field control driving terminal comprises a bearing case 101, a partition plate 102, an illumination power supply circuit 103, an illumination control circuit 104, a wireless data communication circuit 105, a circuit fault detector 106, a display 107 and a control keyboard 108, wherein the bearing case 101 is a closed cavity structure, the partition plate 102 is embedded in the bearing case 101 and divides the bearing case 101 into a control cavity 111 and a driving cavity 112 from front to back, the illumination power supply circuit 103 is positioned in the control cavity 111 and is electrically connected with at least one urban lighting circuit, the illumination control circuit 104, the wireless data communication circuit 105 and the circuit fault detector 106 are all embedded in the driving cavity 112, the circuit fault detector 106 is electrically connected with the illumination power supply circuit 103, the illumination control circuit 104 and each urban lighting circuit electrically connected with the illumination power supply circuit 103 through the illumination power supply circuit 103, the wireless data communication circuit 105 is respectively connected with the fixed wireless communication network base station 3 and the mobile wireless communication network base station 4 through a wireless communication network, the illumination control circuit 104 is respectively and electrically connected with the illumination power supply circuit 103, the wireless data communication circuit 105, the circuit fault detector 106, the display 107 and the control keyboard 108, and the display 107 and the control keyboard 108 are embedded on the outer surface of the bearing case 101.
Meanwhile, the remote monitoring platform 2 includes an operation platform 21, an operation circuit system 22, a display 107 and an operation keyboard 108, the operation circuit system 22 is embedded in the operation platform 21 and is respectively connected with the display 107, the operation keyboard 108 and a wireless communication network, wherein at least two operation circuit systems 22 are provided, each operation circuit system 22, at least one display 107 and at least one operation keyboard 108 form a working group, and all working groups are connected in parallel.
In addition, the fixed wireless communication network base station 3 includes a bearing cabinet 31, a relay communication system 32 and a communication antenna tower 33, the bearing cabinet 31 is a closed cavity structure, the relay communication system 22 is embedded in the bearing cabinet 31 and is electrically connected with the communication antenna tower 33, and at least one communication antenna tower 33 is located outside the bearing cabinet 31 and distributed around the axis of the bearing cabinet 1.
It is emphasized that the mobile wireless communication network base station 4 includes a mobile carrier body 41, a GNSS satellite positioning device 42, a monitoring camera 43, an obstacle avoidance device 44, a communication antenna 45, and a driving control circuit 46, wherein the GNSS satellite positioning device 42 and the driving control circuit 46 are both located in the carrier body 41, wherein the driving control circuit 46 is electrically connected to the GNSS satellite positioning device 42, the monitoring camera 43, the obstacle avoidance device 44, the communication antenna 45, and a circuit system of the carrier body 41, respectively, and in addition, the driving control circuit 46 is connected to a field control driving terminal 3 and a remote monitoring platform 4 adjacent to the field control driving terminal 1 through a wireless communication network, and the monitoring camera 43, the obstacle avoidance device 44, and the communication antenna 45 are distributed on an outer surface of the carrier body around an axis of the carrier body 41.
Preferably, the movable carrier body 41 is used in any one or more of an unmanned aerial vehicle, an unmanned ship, a manned aircraft, a manned vehicle and a manned ship.
When the system is operated, on one hand, an area illumination control system and an illumination control communication network covering the whole city are effectively constructed by the fixed wireless communication network base station based on various mobile data communication base stations in the city, the control precision of the urban illumination management work is improved, the situations of illumination operation delay caused by large control error, damage to power grid equipment caused by start-stop operation and the like are eliminated, on the other hand, part of illumination circuits are repeatedly controlled by the fixed wireless communication network base station, the redundancy of the control communication system is effectively improved, the situation that all the illumination circuits connected with the fixed wireless communication network base station cannot normally operate due to the fact that the illumination circuits cannot be controlled due to the fault of the fixed wireless communication network base station is prevented, and the fault resistance of the illumination system is improved.
In addition, in the operation of the invention, one or more mobile wireless communication network base stations can continuously cruise within a set range or directly send to a designated working position, thereby achieving the purposes of replacing fixed wireless communication network base stations in time for replacement when equipment of the fixed wireless communication network base stations is in fault, rapidly discharging communication management faults, ensuring the stable operation of the lighting system, and rapidly establishing a lighting management control network when emergency lighting management is needed to be carried out on a local area, thereby improving the flexibility and the convenience of system construction.
On one hand, the centralized management capability and the data communication capability of the urban lighting system can be effectively improved, so that the reliability and the control precision of urban lighting management control operation are greatly improved, the defects of poor control precision caused by insufficient data communication, impact damage and harmonic pollution to power grid load during start-stop control and the like commonly existing in the traditional lighting control system are overcome, and the stability and the reliability of the operation of the urban lighting system are improved; on the other hand, the flexibility and the convenience of emergency layout operation of the control system are effectively improved, the timely repair capability of the control signal of the lighting system after interruption due to faults and the convenience of construction of the urban emergency lighting control system are greatly improved, and therefore the purposes of improving the operation stability, the flexibility and the fault resistance of the urban lighting system are effectively achieved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (2)
1. The utility model provides a wireless city cluster light control system which characterized in that: the wireless city cluster light control system comprises a plurality of field control drive terminals, a remote monitoring platform, fixed wireless communication network base stations and mobile wireless communication network base stations, wherein the field control drive terminals are arranged in a plurality, at least two field control drive terminals are connected with one fixed wireless communication network base station through a wireless communication network to form a working group, the fixed wireless communication network base stations of the working groups are connected in series and are connected with the remote monitoring platform through the wireless communication network, and at least one mobile wireless communication network base station is connected with the adjacent field control drive terminal, the fixed wireless communication network base station and the remote monitoring platform through the wireless communication network; the field control driving terminal comprises a bearing case, a partition plate, a lighting power supply circuit, a lighting control circuit, a wireless data communication circuit, a circuit fault detector, a display and a control keyboard, wherein the bearing case is of a closed cavity structure, the partition plate is embedded in the bearing case and divides the bearing case into a control cavity and a driving cavity from front to back, the lighting power supply circuit is positioned in the control cavity and is electrically connected with at least one urban lighting circuit, the lighting control circuit, the wireless data communication circuit and the circuit fault detector are all embedded in the driving cavity, the circuit fault detector is electrically connected with the lighting power supply circuit, the lighting control circuit and each urban lighting circuit electrically connected with the lighting power supply circuit through the lighting power supply circuit, the wireless data communication circuit is respectively connected with a fixed wireless communication network base station and a mobile wireless communication network base station through a wireless communication network, the lighting control circuit is electrically connected with the lighting power supply circuit, the wireless data communication circuit, the circuit fault detector, the display and the control keyboard respectively, and the display and the control keyboard are embedded in the outer surface of the bearing case; the fixed wireless communication network base station comprises a bearing cabinet, a relay communication system and communication antenna towers, wherein the bearing cabinet is of a closed cavity structure, the relay communication system is embedded in the bearing cabinet and is electrically connected with the communication antenna towers, and at least one communication antenna tower is positioned outside the bearing cabinet and distributed around the axis of the bearing cabinet; the mobile wireless communication network base station comprises a mobile bearing machine body, a GNSS satellite positioning device, a monitoring camera, an obstacle avoidance device, a communication antenna and a driving control circuit, wherein the GNSS satellite positioning device and the driving control circuit are both positioned in the bearing machine body, the driving control circuit is respectively and electrically connected with the GNSS satellite positioning device, the monitoring camera, the obstacle avoidance device, the communication antenna and a circuit system of the bearing machine body, in addition, the driving control circuit is respectively connected with a field control driving terminal adjacent to the field control driving terminal and a remote monitoring platform through a wireless communication network, the monitoring camera, the obstacle avoidance device and the communication antenna are multiple, and the monitoring camera, the obstacle avoidance device and the communication antenna are uniformly distributed on the outer surface of the bearing machine body around the axis of the bearing machine body; the movable bearing body comprises any one or more of an unmanned aerial vehicle, an unmanned ship, a manned aerial vehicle, a manned vehicle and a manned ship which are used simultaneously.
2. The system according to claim 1, wherein the remote monitoring platform comprises a workbench, at least two control circuits, a display, and a control keyboard, the control circuits are embedded in the workbench and are respectively connected to the display, the control keyboard, and the wireless communication network, each control circuit, at least one display, and at least one control keyboard form a working group, and the working groups are connected in parallel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910806303.5A CN110505739B (en) | 2019-08-28 | 2019-08-28 | Wireless urban cluster light control system |
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| CN201910806303.5A CN110505739B (en) | 2019-08-28 | 2019-08-28 | Wireless urban cluster light control system |
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| CN110505739A CN110505739A (en) | 2019-11-26 |
| CN110505739B true CN110505739B (en) | 2021-12-31 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201601867U (en) * | 2010-05-05 | 2010-10-06 | 山东天元物联电子科技有限公司 | Street lamp energy conservation and management system based on Internet of things |
| CN201657394U (en) * | 2009-10-28 | 2010-11-24 | 成都瑞翼天扬环保节能科技有限责任公司 | Managing and electricity-saving system of GRPS intelligent lamplight |
| CN102123544A (en) * | 2010-11-16 | 2011-07-13 | 上海亚明灯泡厂有限公司 | Wireless illuminating control system and method based on ZigBee sensing network |
| JP5008438B2 (en) * | 2007-03-29 | 2012-08-22 | Ｄｘアンテナ株式会社 | Sensor light |
| CN202424704U (en) * | 2011-12-12 | 2012-09-05 | 青海省电力公司信息通信公司 | Vehicle-mounted station for grid mobile communication information platform system |
| CN103730836A (en) * | 2014-01-06 | 2014-04-16 | 王立新 | Ion cloud haze eliminating and dust settling unit, base station and cluster system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2791924A1 (en) * | 2010-03-01 | 2011-09-09 | Led Roadway Lighting Ltd. | Gps-based streetlight wireless command and control system |
| CN102635256B (en) * | 2012-03-21 | 2014-06-04 | 浙江瑞能通信科技股份有限公司 | Self-unloading emergency communication base station |
| KR20160147555A (en) * | 2015-06-15 | 2016-12-23 | 엘지전자 주식회사 | Mobile terminal and method for controlling the same |
| CN107466096B (en) * | 2017-09-04 | 2021-02-26 | 东南大学 | Street lamp type small cell wireless access network intelligent control system based on cloud architecture |
-
2019
- 2019-08-28 CN CN201910806303.5A patent/CN110505739B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5008438B2 (en) * | 2007-03-29 | 2012-08-22 | Ｄｘアンテナ株式会社 | Sensor light |
| CN201657394U (en) * | 2009-10-28 | 2010-11-24 | 成都瑞翼天扬环保节能科技有限责任公司 | Managing and electricity-saving system of GRPS intelligent lamplight |
| CN201601867U (en) * | 2010-05-05 | 2010-10-06 | 山东天元物联电子科技有限公司 | Street lamp energy conservation and management system based on Internet of things |
| CN102123544A (en) * | 2010-11-16 | 2011-07-13 | 上海亚明灯泡厂有限公司 | Wireless illuminating control system and method based on ZigBee sensing network |
| CN202424704U (en) * | 2011-12-12 | 2012-09-05 | 青海省电力公司信息通信公司 | Vehicle-mounted station for grid mobile communication information platform system |
| CN103730836A (en) * | 2014-01-06 | 2014-04-16 | 王立新 | Ion cloud haze eliminating and dust settling unit, base station and cluster system |
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| CN110505739A (en) | 2019-11-26 |
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