CN102487569A - Energy-saving system of LED street lamp - Google Patents

Energy-saving system of LED street lamp Download PDF

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Publication number
CN102487569A
CN102487569A CN2010105793232A CN201010579323A CN102487569A CN 102487569 A CN102487569 A CN 102487569A CN 2010105793232 A CN2010105793232 A CN 2010105793232A CN 201010579323 A CN201010579323 A CN 201010579323A CN 102487569 A CN102487569 A CN 102487569A
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China
Prior art keywords
led
street lamp
module
unit
lamp
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Pending
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CN2010105793232A
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Chinese (zh)
Inventor
陈文进
萧永仁
王训仁
姜良学
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Qiyi Science & Technology Exploitation Co Ltd
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Qiyi Science & Technology Exploitation Co Ltd
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Priority to CN2010105793232A priority Critical patent/CN102487569A/en
Publication of CN102487569A publication Critical patent/CN102487569A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

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Abstract

The invention relates to an energy-saving system of a light emitting diode (LED) street lamp. The system comprises a plurality of LED street lamp modules and lightening and extinguishing can be automatically controlled according to a set program. And image detection modules can be erected on the LED street lamp modules; a micro programming conversion unit is used to convert a vehicle flow presented by an image into a data unit; and then the LED street lamp modules and a relay management module are used to transmit the data unit to a remote lamp control module; therefore, a control management center can use the remote lamp control module to obtain using conditions of the LED street lamp modules and road conditions. Besides, the remote lamp control module compiles a lightening and extinguishing schedule and a brightness changing schedule according to the vehicle flow, diurnal variation or an energy-saving demand; and the compiled schedules are transmitted to all the LED street lamp modules by a relay management module, so that using efficiency of the LED street lamp modules is improved and objectives of energy conservation and environmental protection are achieved; moreover, the remote lamp control module is employed to remotely control the plurality of the LED street lamp modules, so that manpower and traffic costs are reduced; and a street lamp system and a road condition system are completely integrated to reach a co-structure ideal.

Description

LED road lamp energy-saving system
Technical field
The present invention relates to a kind of LED road lamp energy-saving system, relate in particular to a kind of have can adjust the street lamp of LED brightness on demand automatically, and have the intelligent road lamp system of remote real-time monitoring function concurrently.
Background technology
Street lamp has all been eliminated by traditional bulb or fluorescent tube and has been changed to light-emitting diode (Light EmittingDiode now; LED); Can improve the conventional road lamp power consumption, be prone to shortcomings such as heating and life-span be short, and advantage such as LED has more low power consuming, economizes the energy, the life-span is long, durability is high, volume is little and the reaction time is fast.
It is luminous that yet the above-mentioned LED of using instead only can continue when reality is used, can't the real time reaction environmental change and be adjusted into required brightness.For example most a plurality of street lamps have all been set the set time light on and off; When seasonal variations causes that length is disobeyed round the clock, can't change in real time the light on and off time with environmental factor, and the personnel that need set out do change and set to on-the-spot; If needing personnel when vehicle flowrate does not need every all to throw light on less in the highway section switches; Do not have intelligent decision and adjust the function of its highway section illuminance voluntarily, more do not have the illuminance according to environmental demand or single street lamp of power saving demand adjustment, the unnecessary energy of loss increases electric cost so virtually; Fail thoroughly to bring into play the convenient characteristic of adjusting and controlling of LED, and reduce the durable degree of LED; All set up image monitoring system in a lot of street lamps now; All supply the keyholed back plate center to judge the vehicle flowrate number to transmit image frame; This image monitoring system mode need expend huge cost installs, and does not integrate with street lamp control system, can't reach structure ideal fully altogether; Cause the keyholed back plate center need set up redundant equipment and personnel placement, increase the social cost load on foot.
Summary of the invention
The technical problem that LED road lamp energy-saving of the present invention system will solve is for overcoming existing road lamp energy-saving poor effect; Can not adjust illuminance in real time according to environmental demand; And Long-distance Control is switched mould and is shown the shortage selectivity for all adopting personnel's manual switchover in response to energy-conservation, is prone to the situation that causes illuminance not enough.
It is following that the present invention solves the problems of the technologies described above the technical scheme of being taked:
The present invention provides a kind of LED road lamp energy-saving system, includes a plurality of LED street lamp modules and at least one relay management module; Said LED street lamp module includes a plurality of LED lamp strings, a power control unit and a communication unit; Said power control unit is in order to control said LED lamp string; Said communication unit is in order to operation signal that receives said LED lamp string and the operation situation of sending LED lamp string, and said operation signal supplies said power control unit to control said LED lamp string; Said relay management module is connected with a plurality of LED street lamp module by signal; Said relay management module includes a street lamp transmission unit and a remote transmission unit; Can receive and send the signal transmission between the communication unit of said street lamp transmission unit and said LED street lamp module; The operation signal that said remote transmission unit receiving remote provides, and the operation situation of the said LED lamp string of transmission is to remote monitoring.
LED road lamp energy-saving of the present invention system also includes a long-range light control module and is connected with said remote transmission cell signal, detects and transmit the operation signal in order to the working condition that receives LED street lamp module.
LED road lamp energy-saving of the present invention system, wherein said power control unit includes an electric pressure converter, a current converter, a plurality of derailing switch and a controller; Said electric pressure converter receiving inputted signal converts d. c. voltage signal into; Said current converter connects electric pressure converter and receives d. c. voltage signal, and converts the required multiple different constant current of LED lamp string into, and in current converter a plurality of outputs is set, and exports a kind of constant current respectively at each output; Said a plurality of derailing switch connects an output and a plurality of LED lamp string respectively; Said controller connects a plurality of derailing switches, controls each derailing switch output constant current to said LED lamp string.
LED road lamp energy-saving of the present invention system, wherein said communication unit and street lamp transmission unit are selected the ZigBee host-host protocol for use.
LED road lamp energy-saving of the present invention system, wherein said remote transmission unit is for selecting GPRS, GSM or 3G wireless transmission protocol for use, or power line communication, ADSL, Cable Modem or the transmission of optical fiber cable network.
The present invention also provides a kind of LED road lamp energy-saving system, includes a plurality of LED street lamp modules, a plurality of image detection module, at least one relay management module and a long-range light control module; Said LED street lamp module includes a plurality of LED lamp strings, a power control unit and a communication unit; Said power control unit (12) is in order to control said LED lamp string; Said communication unit is controlled said LED lamp string in order to receive the operation signal of said LED lamp string for said power control unit, with the operation situation of sending said LED lamp string; Said a plurality of image detection module is located on the said LED street lamp module, and it includes an image capture unit and little treatment conversion unit; Said image capture unit is used to capture the image of road, and vehicle flowrate and car type through said little treatment conversion unit with pick-up image convert data cell to, and are back to remote monitoring by said communication unit; Said relay management module is connected with said a plurality of LED street lamp module by signal, and includes a street lamp transmission unit and a remote transmission unit; The communication unit of said street lamp transmission unit and said LED street lamp module can receive and send the signal transmission; The operation signal that said remote transmission unit receiving remote provides, and the operation situation of transmission LED lamp string is to remote monitoring; Said long-range light control module is connected with the remote transmission cell signal, detects and transmit the operation signal in order to the working condition that receives LED street lamp module.
LED road lamp energy-saving of the present invention system, wherein said power control unit includes an electric pressure converter, a current converter, a plurality of derailing switch and a controller; Said electric pressure converter receiving inputted signal converts d. c. voltage signal into; Said current converter connects electric pressure converter and receives d. c. voltage signal, and converts the required multiple different constant current of LED lamp string into, and in current converter a plurality of outputs is set, and exports a kind of constant current respectively at each output; Said a plurality of derailing switch connects an output and a plurality of LED lamp string respectively; Said controller connects a plurality of derailing switches, controls each derailing switch output constant current to said LED lamp string.
LED road lamp energy-saving of the present invention system, wherein said communication unit and street lamp transmission unit are selected the ZigBee host-host protocol for use.
LED road lamp energy-saving of the present invention system, wherein said remote transmission unit is for selecting GPRS, GSM or 3G wireless transmission protocol for use, or power line communication, ADSL, Cable Modem or the transmission of optical fiber cable network.
LED road lamp energy-saving of the present invention system, wherein said image capture unit is CCD phtographic lens or network monitoring video camera.
Promptly providing a plurality of LED street lamp modules to have can put out according to the point that LED lamp string is controlled in set programming automatically; And can be through linking up the present job status that the unit sends LED lamp string; And receiving remote operation signal handling power control unit, make it adjust the action scheduling of a plurality of LED lamp strings; Also can set up the image detection module on the LED street lamp module; The image of acquisition road utilizes little treatment conversion unit again; Vehicle size and vehicle flowrate that image is appeared convert data cell to; Its data cell is sent to long-range through the communication unit of LED street lamp module, supply the keyholed back plate center to learn its highway section traffic state; The communication unit of LED street lamp module can carry out signal and pass mutually with the street lamp transmission unit of relay management module, and transmits the communication operation through the remote transmission unit of relay management module and the long-range light control module at keyholed back plate center.
LED road lamp energy-saving of the present invention system; Can inspect each LED street lamp module job status by long-range light control module; Decline or the vehicle flowrate in fault and highway section like LED lamp optical crosstalk, make things convenient for the keyholed back plate central record or the person of sending someone to keep in repair, reduce public security problem with passerby and driving; Long-range light control module also can be according to vehicle flowrate, change round the clock or energy-conservation demand; Directly write the operation signal that a little puts out scheduling, brightness variation scheduling; Send each LED street lamp module to through relay management module; Operation that the personnel that need not regularly patrol poor or the scene adjusts can reduce manpower and transportation cost, implements the energy-conserving and environment-protective purpose really; The utilization that combines of LED street lamp module, image detection module and relay management module lets the thorough integrated application of keyholed back plate centring system reach the ideal of common structure and the convenience of remote one-to-many point control.By above-mentioned explanation, the present invention has following beneficial effect:
1, can put out scheduling and brightness variation scheduling by remote manual control or automated programming control LED street lamp module point on demand in real time, reach the purpose of more efficient energy-conservation electricity consumption.
2, can inspect LED street lamp module job status or light decay situation through long-range light control module, reduce time, manpower and the transportation cost of the inspection of going into the street.
3, combine image detection device road image is passed back in the control center, utilization image identification technology can reach the present invention to control traffic, vehicle flowrate, pedestrains safety and accident effect such as search warrant simultaneously.
Description of drawings
Fig. 1 is a LED road lamp energy-saving entire system Organization Chart of the present invention;
Fig. 2 cooperates image detection module Organization Chart for LED road lamp energy-saving of the present invention system;
Fig. 3 is LED road lamp energy-saving system applies figure of the present invention;
Fig. 4 utilizes a plurality of figure of pick-up image meter for image detection module of the present invention;
Fig. 5 is that little treatment conversion cell translation of the present invention is a plurality of according to metaflow figure.
Embodiment
For technology contents, goal of the invention that the present invention is used and reach effect more complete exposure is arranged, now in following detailed description it, and please consult accompanying drawing and figure number in the lump.
Please with reference to shown in Figure 1, LED road lamp energy-saving of the present invention system comprises a plurality of LED street lamp module 1, a plurality of relay management module 2 and a long-range light control module 3, wherein:
A plurality of LED street lamp modules 1, said LED street lamp module 1 include a plurality of LED lamp string 11, a power control unit 12 and a communication unit 13; Power control unit 12 can put out according to the point of controlling a plurality of LED lamp strings 11 with set programming automatically; The start-up time that changes round the clock like the four seasons; Or at dusk, the brightness of illumination adjustment of period in the late into the night; Reaching the purpose of practicing thrift spent electric power, its power control unit 12 includes an electric pressure converter 121, a current converter 122, a plurality of derailing switch 123 and a controller 124; Said electric pressure converter 121 converts d. c. voltage signal into for receiving inputted signal; Current converter 122 connects electric pressure converters 121, receiving d. c. voltage signal, and converts the required multiple different constant current of LED lamp string 11 into; And in a plurality of outputs of current converter 122; And export a kind of constant current respectively at each output, said a plurality of derailing switches 123 are connected to each output, and each derailing switch 123 all is connected with a plurality of LED lamp strings 11; Controller 124 connects a plurality of derailing switches 123; Constant current to the LED lamp string 11 that controllable switch device 123 output is above-mentioned, and then drive corresponding constant current and export LED lamp string 11 to through derailing switch 123 and carry out luminously, make LED lamp string carry out the brightness adjustment according to different fixed point stream; Said communication unit 13 is that a ZigBee host-host protocol is in order to send the present job status of LED lamp string 11; The point that offers power control unit 12 control adjustment LED lamp strings 11 behind the operation signal of the for example information such as fault of brightness of illumination or LED lamp string 11, and receiving remote light control module 3 again puts out or brightness of illumination work scheduling.
A plurality of relay management module 2; Transmission line of communication for 3 of a plurality of LED street lamp modules 1 and long-range light control modules; A plurality of relay management module 2 are connected with a plurality of LED street lamp 1 module by signal; In order to change with receiving remote light control module 3 job informations and to transfer to LED street lamp module 1; Said relay management module 2 includes a street lamp transmission unit 21 and a remote transmission unit 22; Wherein street lamp transmission unit 21 is for selecting the ZigBee host-host protocol for use, and remote transmission unit 22 can be selected for use and be the transmission of cable networks such as GPRS (General PacketRadio Service), GSM (Global System for Mobile Communications), 3G wireless transmission protocols such as (3rdGeneration) or power line communication (Power Line Communication), ADSL (Asymmetric Digital Subscriber Line), Cable Modem or optical fiber.Street lamp transmission unit 21 is used for the communication unit 13 with LED street lamp module 1 can receive and send the signal transmission; The operation signal that remote transmission unit 22 provides for receiving remote light control module 3, and send LED lamp string 11 operation situation to long-range light control module 3 and report behaviour in service.
One long-range light control module 3 is one to have the lamp control main frame of lamp control software; Be connected with remote transmission unit 22 signals of relay management module 2; Receive each other and the transmission signal; In order to the detection of the working condition of a plurality of LED street lamp of sustainable reception module 1, and also can transmit operation signal, so that the real-time monitoring task at remote keyholed back plate center according to the 1 work scheduling of environmental factor elasticity adjustment LED street lamp module.
Please with reference to Fig. 2 and shown in Figure 3; The present invention also can set up image detection module 4 on LED street lamp module 1, said image detection module 4 includes an image capture unit (scheming not shown) and little treatment conversion unit 41, and image capture unit is for can be a CCD phtographic lens or network monitoring video camera (IP-Camera); Please with reference to Fig. 4 and shown in Figure 5; It is according to the image of the road that image capture unit captured, and the vehicle that image is appeared through little treatment conversion unit 41 at first carries out step S1: utilization cover area 42 calculate vehicles through time and speed with the computing vehicle size; Subsequent steps S2; The utilization vehicle calculates vehicle flowrate, subsequent steps S3 through counting line 43: with above-mentioned computing vehicle size and calculating vehicle flowrate result, convert data cell to.Please with reference to Fig. 2 and shown in Figure 3; Its little treatment conversion unit 41 is with the communication unit 13 and relay management module 2 of data cell via LED street lamp module 1; Be sent to long-range light control module 3; Perhaps be transmitted back to long-range light control module 3 or long-range keyholed back plate center through Wi-Fi and WIRELESS transmission technology; The point that supplies long-range light control module 3 or long-range keyholed back plate center to learn and control its highway section vehicle flowrate, traffic and control LED street lamp module 1 on demand puts out or adjust illuminance, and the i.e. processing or the accident that perhaps provide long-range light control module 3 or long-range keyholed back plate center to carry out pedestrains safety the road image that captures are searched warrant.
Please with reference to Fig. 2 and shown in Figure 3; LED road lamp energy-saving of the present invention system is when using; Said LED street lamp module 1 can be put out by the automatic control point of set programming, and the job status of LED street lamp module 1 can be back to long-range light control module 3 through relay management module 2, causes luminance shortage if LED lamp string 11 light decays or the fault of LED street lamp module 1 take place; The keyholed back plate center can be learnt by long-range light control module 3 in real time; Can supply record or as quickly as possible the person of sending someone keep in repair, minimizing is with the public security problem of passerby and driving, and it is poor not need personnel regularly to patrol; Long-range light control module 3 also can provide vehicle flowrate, change or energy-conservation demand round the clock according to image detection module 4 in long-range; Directly write the operation signal that a little puts out scheduling, brightness variation scheduling; Send each LED street lamp module 1 to through relay management module 2; The personnel that the need not operation that adjusts to the scene can reduce manpower and the transportation cost expense has reduced maintenance cost, and can implement the energy-conserving and environment-protective purpose really; The utilization that combines of LED street lamp module of the present invention 1, image detection module 4 and relay management module 2 can thoroughly let keyholed back plate centring system integrated application reach that structure is desirable fully altogether, reduces the social cost load.
Please with reference to shown in Figure 3; The long-range light control module 3 of LED road lamp energy-saving of the present invention system can adopt wireless transmission protocol or cable networks transmission such as power line communication (Power Line Communication) or ADSL (Asymmetric Digital Subscriber Line), Cable Modem or optical fiber such as GPRS, GSM, 3G; Simultaneously to a plurality of relay management module 2 transport communications; And relay management module 2 also can be passed through ZigBee host-host protocol wireless transmission with a plurality of LED street lamp modules 1; Can save wired system material requested and cost of labor, and the advantage that can reach remote one-to-many point control has the practical convenience of going up.
In sum; Be merely preferred embodiment of the present invention, do not breaking away from spirit of the present invention, those who familiarize themselves with the technology with and the various variations done, modify and application; All should be covered by among the present invention, so protection scope of the present invention defines and is as the criterion when looking accompanying Claim.

Claims (10)

1. a LED road lamp energy-saving system is characterized in that: include a plurality of LED street lamp modules (1) and at least one relay management module (2);
Said LED street lamp module (1) includes a plurality of LED lamp strings (11), a power control unit (12) and a communication unit (13);
Said power control unit (12) is in order to control said LED lamp string (11);
Said communication unit (13) is in order to operation signal that receives said LED lamp string (11) and the operation situation of sending LED lamp string (11), and said operation signal supplies said power control unit (12) control said LED lamp string (11);
Said relay management module (2) is connected with a plurality of LED street lamp modules (1) signal; Said relay management module (2) includes a street lamp transmission unit (21) and a remote transmission unit (22);
Can receive and send the signal transmission between the communication unit (13) of said street lamp transmission unit (21) and said LED street lamp module (1);
The operation signal that said remote transmission unit (22) receiving remote provides, and the operation situation of the said LED lamp string of transmission (11) is to remote monitoring.
2. LED road lamp energy-saving according to claim 1 system is characterized in that: also include a long-range light control module (3) and be connected with said remote transmission unit (22) signal, detect and transmit the operation signal in order to the working condition that receives LED street lamp module (1).
3. LED road lamp energy-saving according to claim 1 system, it is characterized in that: said power control unit (12) includes an electric pressure converter (121), a current converter (122), a plurality of derailing switch (123) and a controller (124);
Said electric pressure converter (121) receiving inputted signal converts d. c. voltage signal into;
Said current converter (122) connects electric pressure converter (121) and receives d. c. voltage signal; And convert the required multiple different constant current of LED lamp string (11) into; And a plurality of outputs are set in current converter (122), export a kind of constant current respectively at each output;
Said a plurality of derailing switch (123) connects said output and a plurality of LED lamp strings (11) respectively;
Said controller (124) connects a plurality of derailing switches (123), controls each derailing switch (123) output constant current to said LED lamp string (11).
4. LED road lamp energy-saving according to claim 1 system is characterized in that: said communication unit (13) is selected the ZigBee host-host protocol for use with street lamp transmission unit (21).
5. LED road lamp energy-saving according to claim 1 system is characterized in that: said remote transmission unit (22) is for selecting GPRS, GSM or 3G wireless transmission protocol for use, or power line communication, ADSL, Cable Modem or the transmission of optical fiber cable network.
6. a LED road lamp energy-saving system is characterized in that: include a plurality of LED street lamp modules (1), a plurality of image detection module (4), at least one relay management module (2) and a long-range light control module (3);
Said LED street lamp module (1) includes a plurality of LED lamp strings (11), a power control unit (12) and a communication unit (13);
Said power control unit (12) is in order to control said LED lamp string (11);
Said communication unit (13) is in order to receive the operation signal of said LED lamp string (11), for said power control unit (12) control said LED lamp string (11), with the operation situation of sending said LED lamp string (11);
Said a plurality of image detection modules (4) are located on the said LED street lamp module (1), and it includes an image capture unit and little treatment conversion unit (41);
Said image capture unit is used to capture the image of road, and vehicle flowrate and car type through said little treatment conversion unit (41) with pick-up image convert data cell to, and are back to remote monitoring by said communication unit (13);
Said relay management module (2) is connected with said a plurality of LED street lamp modules (1) signal, and includes a street lamp transmission unit (21) and a remote transmission unit (22);
Said street lamp transmission unit (21) can receive and send the signal transmission with the communication unit (13) of said LED street lamp module (1);
The operation signal that said remote transmission unit (22) receiving remote provides, and the operation situation of transmission LED lamp string (11) is to remote monitoring;
Said long-range light control module (3) is connected with remote transmission unit (22) signal, detects and transmit the operation signal in order to the working condition that receives LED street lamp module (1).
7. LED road lamp energy-saving according to claim 6 system, it is characterized in that: said power control unit (12) includes an electric pressure converter (121), a current converter (122), a plurality of derailing switch (123) and a controller (124);
Said electric pressure converter (121) receiving inputted signal converts d. c. voltage signal into;
Said current converter (122) connects electric pressure converter (121) and receives d. c. voltage signal; And convert the required multiple different constant current of said LED lamp string (11) into; And a plurality of outputs are set, and export a kind of constant current respectively at each output in current converter (122);
Said a plurality of derailing switch (123) connects said output and a plurality of LED lamp strings (11) respectively; Said controller (124) connects said a plurality of derailing switches (123), controls each derailing switch (123) output constant current to said LED lamp string (11).
8. LED road lamp energy-saving according to claim 6 system is characterized in that: said communication unit (13) is selected the ZigBee host-host protocol for use with street lamp transmission unit (21).
9. LED road lamp energy-saving according to claim 6 system is characterized in that: said remote transmission unit (22) is for selecting GPRS, GSM or 3G wireless transmission protocol for use, or power line communication, ADSL, Cable Modem or the transmission of optical fiber cable network.
10. LED road lamp energy-saving according to claim 6 system, it is characterized in that: said image capture unit is CCD phtographic lens or network monitoring video camera.
CN2010105793232A 2010-12-03 2010-12-03 Energy-saving system of LED street lamp Pending CN102487569A (en)

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Publication number Priority date Publication date Assignee Title
CN104460555A (en) * 2013-09-22 2015-03-25 丘玓 Intelligent data fusion cloud control device and data transmission control method thereof
CN105611699A (en) * 2016-01-26 2016-05-25 中交一航局安装工程有限公司 Intelligent lighting system applied to coal port
CN107748504A (en) * 2017-09-21 2018-03-02 深圳市奔凯安全技术股份有限公司 The system and method for Intelligent Measurement advertising lamp box safety
CN113747638A (en) * 2021-08-31 2021-12-03 深圳市凯铭电气照明有限公司 Internet of things communication data processing method of intelligent lamp pole

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CN2935615Y (en) * 2006-08-03 2007-08-15 维用国际股份有限公司 Power supply device with multi-path constant current output
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104460555A (en) * 2013-09-22 2015-03-25 丘玓 Intelligent data fusion cloud control device and data transmission control method thereof
CN105611699A (en) * 2016-01-26 2016-05-25 中交一航局安装工程有限公司 Intelligent lighting system applied to coal port
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CN107748504B (en) * 2017-09-21 2021-02-26 深圳市奔凯安全技术股份有限公司 System and method for intelligently detecting safety of advertising lamp box
CN113747638A (en) * 2021-08-31 2021-12-03 深圳市凯铭电气照明有限公司 Internet of things communication data processing method of intelligent lamp pole
CN113747638B (en) * 2021-08-31 2024-04-26 深圳市凯铭智慧建设科技有限公司 Internet of things communication data processing method for intelligent lamp post

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Application publication date: 20120606