CN200980191Y - A remote control system of street lamp for saving electricity - Google Patents
A remote control system of street lamp for saving electricity Download PDFInfo
- Publication number
- CN200980191Y CN200980191Y CNU2006201675058U CN200620167505U CN200980191Y CN 200980191 Y CN200980191 Y CN 200980191Y CN U2006201675058 U CNU2006201675058 U CN U2006201675058U CN 200620167505 U CN200620167505 U CN 200620167505U CN 200980191 Y CN200980191 Y CN 200980191Y
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- saving
- control signal
- saving device
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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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- 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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
- Y04S20/246—Home appliances the system involving the remote operation of lamps or lighting equipment
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The utility model relates to a road lamp energy-saving control system in master-slave mode, composed of a main controller, a terminal energy-saving device and road lamps, wherein a plurality of road lamps in some range are switched and controlled by one main controller which sends control signals to each terminal energy-saving device to control connected road lamps. The remote energy-saving system can effectively reduce the cost of road lamp energy-saving device in some range, while the terminal energy-saving device is arranged with an energy-saving control circuit which can adjust the work voltage of road lamp according to the electricity network, to obtain better energy-saving effect and prolong service life of road lamp.
Description
Technical field
The utility model relates to the electric appliance energy-saving field, particularly a kind of electricity-saving control system that street lamp is carried out unified Long-distance Control.
Background technology
In modern city, street lamp has become a kind of requisite lighting apparatus.It facilitates for people's night trip, has also beautified urban environment simultaneously.But street lamp is as a kind of long-time lighting apparatus, and its power consumption also is very large.In the today of advocating thriftiness type society, the economize on electricity problem of street lamp has more and more obtained people's attention.
At present, the structure of electronic power saver for street lamp is varied, and its major part is to control the switch of street lamp by space-time, method such as light-operated, to reach the purpose of closing night illumination daytime.These electricity-saving appliances are installed in respectively between each street lamp and the electrical network mostly, or by its switch of personal management.The waste that this method is a large amount of the man power and material.Therefore, people need a kind of power saving apparatus that can unify power saving management automatically to one group of street lamp.
In addition, the transitional street lamps electricity-saving appliance only carries out switch control to street lamp mostly.And in fact, street lamp has tangible difference in the operating voltage of different time sections, and this has seriously influenced the useful life of present street lamp, also is waste of electric energy simultaneously.Therefore, I not only need the switch of street lamp is controlled, but also should control its operating voltage when street lamp is worked.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of electricity-saving control system that street lamp is carried out unified Long-distance Control.
Goal of the invention of the present utility model is achieved by following technical proposals:
A kind of long-range electricity saving of road lamp control system is characterized in that: comprise master controller and terminal power saving device; Master controller transmits control signal to the terminal power saving device by wireless telecommunications; Terminal control unit is according to the street lamp of this control signal control with the corresponding connection of this terminal control unit;
Described terminal power saving device comprises: voltage conversion circuit, tension measuring circuit, control circuit, wireless receiving circuit, contactor, transformer;
Described voltage conversion circuit input termination civil power; Voltage conversion circuit, tension measuring circuit are connected in order with control circuit;
Described wireless receiving circuit receives the control signal of autonomous controller, and this control signal is sent to control circuit;
Described control circuit has at least two outputs, and the difference correspondence is power save mode and at least a power save mode not; According to signal by described tension measuring circuit input, control circuit output economize on electricity control signal;
The control of the economize on electricity control signal of the controlled circuit of described contactor is opened or is closed, changes the position of the former avris contact point of transformer by the folding of each contactor, to change the voltage of output.
Described terminal power saving device has two at least.
Described master controller is linked in sequence by photo resistance, signal generating circuit, wireless communication module and forms; Described signal generating circuit produces control signal according to the change in resistance of described photo resistance.
A kind of terminal power saving device that is used for long-range street lamp control system is characterized in that: described terminal power saving device comprises: voltage conversion circuit, tension measuring circuit, control circuit, wireless receiving circuit, contactor, transformer;
Described voltage conversion circuit input termination civil power; Voltage conversion circuit, tension measuring circuit are connected in order with control circuit;
Described wireless receiving circuit receives the control signal of autonomous controller, and this control signal is sent to control circuit;
Described control circuit has at least two outputs, and the difference correspondence is power save mode and at least a power save mode not; According to signal by described tension measuring circuit input, control circuit output economize on electricity control signal;
The control of the economize on electricity control signal of the controlled circuit of described contactor is opened or is closed, changes the position of the former avris contact point of transformer by the folding of each contactor, to change the voltage of output.
Described control circuit is provided with three and differentiates that voltages are respectively 360V, 372V, 385V differentiates the power save mode that the terminal power saving device need enter;
Be lower than 360V and be power save mode not; 360V-372V is I shelves energy-saving modes, and the step-down rate of described I shelves energy-saving mode output is 95%; 372V-385V is II shelves energy-saving modes, and the step-down rate of output is 92% under the described II shelves energy-saving mode; Being higher than 385V is III shelves energy-saving modes, and the step-down rate of output is 89% under the described III shelves energy-saving mode.
The beneficial effects of the utility model are:
1. a kind of long-range electricity-saving control system that passes through a plurality of street lamps of master controller Long-distance Control is provided, has effectively reduced the cost of electronic power saver for street lamp in the certain limit.
2. except street lamp being carried out the general light-operated economize on electricity, also be provided with the economize on electricity control circuit of regulating the street lamp operating voltage according to the electrical network situation at terminal power saving device end, make the electricity saving of road lamp better effects if, the street lamp life-span is longer.
3. select contact point because the utility model has adopted at former avris on transformer part, improved output voltage problem of unstable in the prior art, guaranteed the illuminating effect and the life-span of lighting apparatus.
Description of drawings
Fig. 1 is the structured flowchart of long-range electricity saving of road lamp control system;
Fig. 2 is the structure chart of master controller;
Fig. 3 is the structure chart of terminal power saving device;
Fig. 4 is the circuit diagram of terminal power saving device;
Fig. 5 is the control flow chart of terminal power saving device;
Fig. 6 is the transformer connection diagram.
Embodiment
The utility model will be further described below in conjunction with drawings and Examples.
As shown in Figure 1, the utility model has designed a kind of electricity saving of road lamp control system of master-slave mode.This system is made of master controller, terminal power saving device and street lamp.A plurality of street lamp unifications are within the specific limits carried out switch control by a master controller.Master controller is to transmit control signal to each terminal power saving device by master controller to the control of each street lamp, and the street lamp that is connected with the terminal power saving device by the final control of terminal power saving device is realized again.
As shown in Figure 2, master controller is linked in sequence by photo resistance, signal generating circuit, wireless communication module and forms.Photo resistance is a kind of electronic component according to intensity of illumination change self resistance.By this specific character of photo resistance, master controller can judge whether that needs open or close street lamp according to ambient lighting intensity, and produces control signal corresponding by signal generating circuit.Master controller finally sends to each terminal power saving device by wireless communication module with this control signal.
The purpose of this utility model is the switch by a plurality of street lamps of main controller controls, thereby reaches the purpose that reduces cost.In the present embodiment, only provide master controller to produce switch controlling signal to each street lamp by light-operated method.But the production method of this control signal is numerous as previously mentioned, as time control, acoustic control or the like.Under the structural design situation of the utility model electricity-saving control system, master controller adopts the whole bag of tricks to produce control signal and all should be considered as within the utility model protection range.
In the electricity-saving control system of the present utility model, the terminal power saving device not only receives the switch of the control signal control street lamp that master controller transmits, and also has according to the electrical network circuit state and regulates the street lamp operating voltage, makes street lamp keep the function of best electricity-saving state.The terminal power saving device is connected between utility grid and the street lamp.Referring to Fig. 3, the terminal power saving device comprises: voltage conversion circuit, tension measuring circuit, control circuit, wireless receiving circuit, contactor, transformer.Control circuit is the logic control unit of terminal power saving device.Wireless receiving circuit receives the control signal that master controller sends, and sends this signal to control circuit, by the switch of control circuit control street lamp.Voltage conversion circuit inserts civil power, and civil power is taken a sample.The voltage conversion circuit gained signal of will taking a sample sends tension measuring circuit to, sends control circuit by tension measuring circuit to after with the sampled signal digitlization.Store the logic determines program in the control circuit, judge current circuit state, and transmit control signal to late-class circuit according to current circuit state according to digitized sampled signal.The control signal of contactor reception control circuit is regulated the contact point of transformer, to change the output voltage of transformer.
Fig. 4 is the physical circuit figure of terminal power saving device.Control circuit is a chip (adopting PLC processor YFOA-MBR) with logic control function.Control circuit receives the control signal of autonomous controller by wireless receiving circuit, according to this switch of the street lamp that is connected with the terminal power saving device of control.A
IN, B
IN, C
INBe three live wires of civil power; N is the ground wire of civil power; civil power links to each other with voltage conversion circuit (adopting voltage isolation transducer CE-VJ41-32MS) through circuit breaker 1; electric leakage when taking place and getting an electric shock in this circuit breaker; and when reaching the operating current value that protector limits, with regard to immediately in the time that limits the action auto power off protect.A
IN, B
IN, C
INCorresponding respectively three input X that are connected in voltage conversion circuit
0, X
1, X
2Corresponding output is Y
0, Y
1, Y
2, voltage conversion circuit is the sampled signal of 0-5V with the line voltage transitions of live wire 0-450V.The output Y of described voltage conversion circuit
0, Y
1, Y
2Input X with tension measuring circuit (adopting four-way voltage measurement template YF-4AIB)
0, X
1, X
2The corresponding connection is sent to tension measuring circuit with sampled signal, and tension measuring circuit carries out analog-to-digital conversion to sampled signal, and sampled signal is sent to control circuit with the form of digital quantity.The signal that described control circuit sends according to tension measuring circuit, the voltage status of judgement civil power is according to its four output Y of different choice of state
0, Y
1, Y
2, Y
3The different way of outputs.The output Y of control circuit
0, Y
1, Y
2, Y
3Corresponding respectively contactor KM1, KM2, KM3, the KM4 of connecting.Control circuit is by changing Y
0, Y
1, Y
2, Y
3Output signal control contactor KM1, KM2, KM3, the switch of KM4, and then change the contact point of transformer and the output voltage of transformer.
When street lamp was in open mode, the terminal power saving device promptly entered the economize on electricity state of a control, adjusted the operating voltage of street lamp according to circuit condition.Fig. 5 is the control flow chart of terminal power saving device.Its idiographic flow is as follows:
1, control procedure begins to carry out, and at first judges whether normal power supply of electrical network, if the mains supply situation is normal, enters bypass state (Y
0End output), delayed time five minutes.
Electricity-saving appliance does not economize on electricity when being in bypass state, and purpose is in order to protect aging street lamp, to make it higher starting resistor, can prolonging the life-span of street lamp.If mains supply is unusual, then control procedure finishes, the electricity-saving appliance state of deactivating.
Delay function is to eliminate the interference of voltage dithering to electricity-saving appliance, can reduce the open and close times of contactor in the electricity-saving appliance, prolongs the life-span of electricity-saving appliance.Contrast exposed installation simultaneously and have defencive function, prevent that the voltage frequent transitions from reducing the street lamp life-span.
2, judge that input voltage whether greater than 360V, if input voltage less than 360V, does not promptly satisfy condition, returns bypass state, do not economize on electricity, because this moment, the energy saving space was very little, all can be influential if make a forcible entry into electricity-saving state to street lamp life-span and illuminating effect.If satisfy condition, enter I shelves energy-saving mode (Y
1End output), step-down 95% output, and delayed time ten minutes.
Line voltage 360V is equivalent to phase voltage 207V, and step-down 95% is output as: 197V is 90% of street lamp rated voltage 220V.The street lamp operating voltage is 90% o'clock of rated voltage, and the life-span doubles, and illumination is compared with rated condition and reduced by 7%.Human eye is to the logarithmic relationship that is perceived by of light, and light illumination reduces by 7%, and human eye is difficult to perceive, and can not influence lighting quality.So 90% of rated voltage is the suitable lightening voltage of street lamp.
3, judge that whether input voltage is greater than 372V.If input voltage less than 372V, neither satisfies condition, re-executed for the 2nd step.If satisfy condition, enter II shelves energy-saving mode (Y
2End output), step-down 92% output, and delayed time five minutes.
Line voltage 372V is equivalent to phase voltage 214V, and step-down 92% is output as: 197V.
4, judge that whether input voltage is greater than 385V.If input voltage, enters III shelves energy-saving mode (Y greater than 385V
3End output), step-down 89% output.After this once sampled in per five minutes, voltage is judged, determine the energy-saving mode of electricity-saving appliance in view of the above.If whether input voltage, then judges input voltage less than 385V less than 380V, if input voltage less than 380V, returns step 3.If input voltage greater than 380V, continues to work on III shelves energy-saving mode.
Take two numerical value of 385V and 380V to compare, can make electricity-saving appliance longer time under the higher state of input voltage be operated in the higher gear of power saving rate.Can reduce simultaneously the open and close times of contactor in the electricity-saving appliance, guarantee the life-span of street lamp.
In addition, mostly be the self coupling reducing transformer greatly owing to be used in the transformer of lighting electricity saving device at present.This transformer is when contactor switches, no matter how rapid action is, output must have in a flash and to disconnect, and makes output voltage discontinuous, may cause some light fixture to extinguish or lamp dodges, and all has very for the illuminating effect of light fixture and life-span to seriously influence.The utility model has provided new structural design at this problem in the way of contact of transformer.
Fig. 6 is the transformer connection diagram.A
0, A
1, A
2, A
3Be respectively the switch of contactor KM1, KM2, KM3, KM4 control.As contactor KM1 control A
0When closed, it is that electricity-saving appliance does not economize on electricity that electricity-saving appliance is in bypass state.A
1, A
2, A
3One end is connected to the specific coil position of the former avris of transformer, make the step-down rate of transformer correspondence be respectively 95%, 92%, 89%, the other end then is connected with ground wire, and the secondary side of transformer then is connected between electricity-saving appliance output live wire and the ground wire for fixing coil.When energy-saving device is in bypass state, A
0Have high pressure to exist between the N, have potential safety hazard, thus adopt protected mode by contactor with A
0A
3Short circuit, promptly the current transformer pattern guarantees safety.Work as A
1, A
2, A
3Between mutually during conversion, A
1And the voltage between the N do not change, and do not fall so secondary side voltage can not produce.Such structure is compared traditional tap changing transformer, can solve the problem of voltage decline abruptly in the step-down process, thereby unlikelyly causes some lighting apparatus to extinguish or lamp dodges, and also can guarantee the illuminating effect and the life-span of lighting apparatus.
Claims (5)
1. a long-range electricity saving of road lamp control system is characterized in that: comprise master controller and terminal power saving device; Master controller transmits control signal to the terminal power saving device by wireless telecommunications; Terminal control unit is according to the street lamp of this control signal control with the corresponding connection of this terminal control unit;
Described terminal power saving device comprises: voltage conversion circuit, tension measuring circuit, control circuit, wireless receiving circuit, contactor, transformer;
Described voltage conversion circuit input termination civil power; Voltage conversion circuit, tension measuring circuit are connected in order with control circuit;
Described wireless receiving circuit receives the control signal of autonomous controller, and this control signal is sent to control circuit;
Described control circuit has at least two outputs, and the difference correspondence is power save mode and at least a power save mode not; According to signal by described tension measuring circuit input, control circuit output economize on electricity control signal;
The control of the economize on electricity control signal of the controlled circuit of described contactor is opened or is closed, changes the position of the former avris contact point of transformer by the folding of each contactor, to change the voltage of output.
2. long-range street lamp control system as claimed in claim 1 is characterized in that: described terminal power saving device has two at least.
3. long-range street lamp control system as claimed in claim 1 is characterized in that: described master controller is linked in sequence by photo resistance, signal generating circuit, wireless communication module and forms; Described signal generating circuit produces control signal according to the change in resistance of described photo resistance.
4. terminal power saving device that is used for long-range street lamp control system, it is characterized in that: described terminal power saving device comprises: voltage conversion circuit, tension measuring circuit, control circuit, wireless receiving circuit, contactor, transformer;
Described voltage conversion circuit input termination civil power; Voltage conversion circuit, tension measuring circuit are connected in order with control circuit;
Described wireless receiving circuit receives the control signal of autonomous controller, and this control signal is sent to control circuit;
Described control circuit has at least two outputs, and the difference correspondence is power save mode and at least a power save mode not; According to signal by described tension measuring circuit input, control circuit output economize on electricity control signal;
The control of the economize on electricity control signal of the controlled circuit of described contactor is opened or is closed, changes the position of the former avris contact point of transformer by the folding of each contactor, to change the voltage of output.
5. terminal power saving device as claimed in claim 4 is characterized in that: described control circuit is provided with three and differentiates that voltages are respectively 360V, 372V, 385V differentiates the power save mode that the terminal power saving device need enter;
Be lower than 360V and be power save mode not; 360V-372V is I shelves energy-saving modes, and the step-down rate of described I shelves energy-saving mode output is 95%; 372V-385V is II shelves energy-saving modes, and the step-down rate of output is 92% under the described II shelves energy-saving mode; Being higher than 385V is III shelves energy-saving modes, and the step-down rate of output is 89% under the described III shelves energy-saving mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201675058U CN200980191Y (en) | 2006-12-15 | 2006-12-15 | A remote control system of street lamp for saving electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201675058U CN200980191Y (en) | 2006-12-15 | 2006-12-15 | A remote control system of street lamp for saving electricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200980191Y true CN200980191Y (en) | 2007-11-21 |
Family
ID=38980574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201675058U Expired - Fee Related CN200980191Y (en) | 2006-12-15 | 2006-12-15 | A remote control system of street lamp for saving electricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200980191Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102421228A (en) * | 2011-09-09 | 2012-04-18 | 南京博络克信息技术服务有限公司 | Illumination electricity-saving implementation method based on single-lamp control |
| CN102469661A (en) * | 2010-11-19 | 2012-05-23 | 中国电子科技集团公司第五十研究所 | Energy-saving control device and energy-saving control method of street lamp |
| CN103118459A (en) * | 2013-01-28 | 2013-05-22 | 四川畅洋泰鼎科技有限公司 | Sensor streetlamp system |
| CN103716961A (en) * | 2013-12-19 | 2014-04-09 | 莱特尔科技公司 | Lamp intelligent controller |
-
2006
- 2006-12-15 CN CNU2006201675058U patent/CN200980191Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102469661A (en) * | 2010-11-19 | 2012-05-23 | 中国电子科技集团公司第五十研究所 | Energy-saving control device and energy-saving control method of street lamp |
| CN102421228A (en) * | 2011-09-09 | 2012-04-18 | 南京博络克信息技术服务有限公司 | Illumination electricity-saving implementation method based on single-lamp control |
| CN103118459A (en) * | 2013-01-28 | 2013-05-22 | 四川畅洋泰鼎科技有限公司 | Sensor streetlamp system |
| CN103716961A (en) * | 2013-12-19 | 2014-04-09 | 莱特尔科技公司 | Lamp intelligent controller |
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| CF01 | Termination of patent right due to non-payment of annual fee |