CN201957284U - Control system of energy-saving road lamp and road lamp system adopting same - Google Patents
Control system of energy-saving road lamp and road lamp system adopting same Download PDFInfo
- Publication number
- CN201957284U CN201957284U CN2010202803346U CN201020280334U CN201957284U CN 201957284 U CN201957284 U CN 201957284U CN 2010202803346 U CN2010202803346 U CN 2010202803346U CN 201020280334 U CN201020280334 U CN 201020280334U CN 201957284 U CN201957284 U CN 201957284U
- Authority
- CN
- China
- Prior art keywords
- street lamp
- energy
- luminescent device
- road lamp
- road
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Traffic Control Systems (AREA)
Abstract
The utility model relates to a control system of an energy-saving road lamp and a road lamp system adopting the control system. The control system of the energy-saving road lamp comprises at least two luminous element switch control modules connected with a luminous element of the road lamp, and also comprises a traffic inductive sensor system and a signal processing system that are connected with each other, and the signal processing system is connected with the luminous element switch control modules. The road lamp system adopting the control system comprises a right side road lamp set, a left road lamp set, and an energy-saving road lamp control system, and the at least two luminous element switch control modules are respectively arranged at two sides of the road. By adopting the control system, the road lamp control system can be well controlled, when vehicles come the light is on and when the vehicles leave the light is off, thus effectively saving electric energy.
Description
Technical field
The utility model relates to mechanical control field, is specifically related to street lamp control.
Background technology
Street lamp not only quantity is huge, and the power of single street lamp big, light chronic.Street lamp is consuming the huge electric energy in the electrical network, has brought great burden to mains supply.In order to reduce the street lamp energy consumption, reduce burden that electrical network is caused, some highway section has begun to adopt the LED street lamp, thereby has reached certain energy-saving effect.
In order further to reduce the burden of street lamp to electrical network, solar LED street lamp has been adopted in some highway section.With solar panel is the led chip power supply, thereby reaches the effect of illumination.Under the comparatively sunny situation of weather, the electric energy that provides by solar panel even whole electric energy that led chip night illumination can be provided.But under the situation of bad weather, under overcast and rainy continuously situation, the electric energy that solar energy panel produced can't satisfy the needed electric energy of led chip night illumination fully.
That is to say that existing solar LED street lamp still can cause certain load to electrical network.Be necessary further to reduce the load that street lamp causes electrical network.
The utility model content
The purpose of this utility model is to provide a kind of energy-conserving road lamp control system, to solve the problems of the technologies described above.
The purpose of this utility model also is to provide a kind of road lamp system that adopts the energy-conserving road lamp control system.
The utility model can be realized by the following technical solutions:
The energy-conserving road lamp control system comprises that one is used to control the luminescent device switch control module of street lamp luminance, described luminescent device switch control module connects the luminescent device of street lamp, it is characterized in that, comprise that also one is used to respond to traffic responsive sensing system, a signal processing system of pedestrian on the road or vehicle condition, described traffic responsive sensing system connects described signal processing system, and described signal processing system connects described luminescent device switch control module.
Described traffic responsive sensing system comprises the correlation laser sensor system, described correlation laser sensor system comprises a laser beam emitting device and a laser receiver, and described laser beam emitting device and described laser receiver lay respectively on the street lamp post of road both sides.Adopt the correlation laser sensor system to monitor, can monitor greater than the road of 100m width to the road of broad.Laser on the described laser beam emitting device can adopt infrared laser, disturbs to avoid vision.
Described traffic responsive sensing system comprises at least one infrared sensor module.In order to obtain better monitoring effect, the infrared sensor module has even number, and even number infrared sensor module is divided two groups, on the street lamp post of the road both sides that are placed in.Adopt the infrared sensor module to monitor, can effectively avoid occurring the monitoring blind area the pavement of driveway both sides.Described infrared sensor module can adopt pyroelectric infrared sensor.
Described traffic responsive sensing system comprises a ultrasonic radar system.When the pedestrian on the road or vehicle are in the induction range of described ultrasonic radar system, the ultrasonic radar system responses, send corresponding signal to described signal processing system, described signal processing system transmits control signal to described luminescent device switch control module according to received signal, described luminescent device switch control module is controlled described luminescent device and is lighted, thereby provides road lighting for pedestrian or vehicle.Ultrasonic radar system antijamming capability is strong, can effectively reduce the probability that mistake control occurs.
In order to save the space, the energy-conserving road lamp control system comprises first housing and second housing, described first housing and described second housing are relatively independent, be provided with laser beam emitting device in described first housing, be provided with laser receiver, infrared sensor module, signal processing system in described second housing.
Adopt the road lamp system of energy-conserving road lamp control system, comprise the right side street lamp group that is positioned at the road right side, the left side street lamp group that is positioned at the road left side, it is characterized in that, also comprise the energy-conserving road lamp control system;
The energy-conserving road lamp control system comprises that one is used to control the luminescent device switch control module of street lamp luminance, and described luminescent device switch control module connects the luminescent device of street lamp;
The energy-conserving road lamp control system comprises that also one is used to respond to traffic responsive sensing system, a signal processing system of pedestrian on the road or vehicle condition, described traffic responsive sensing system connects described signal processing system, and described signal processing system connects described luminescent device switch control module;
Described luminescent device switch control module has two at least, at least two described luminescent device switch control modules road both sides that are placed in.
Described traffic responsive sensing system comprises the correlation laser sensor system, described correlation laser sensor system comprises a laser beam emitting device and a laser receiver, described laser beam emitting device is arranged on the street lamp post of i small cup street lamp of right side street lamp group, and described laser receiver is arranged on the street lamp post of i+j small cup street lamp of left side street lamp group;
Described laser receiver connects described signal processing system, and described signal processing system connects described luminescent device switch control module;
Described luminescent device switch control module has two at least, the luminescent device of the i+j small cup street lamp in the street lamp group of connection left side, a luminescent device that connects the i+j small cup street lamp in the street lamp group of right side.
Because i small cup street lamp in the street lamp group of right side and line direction and the road bearing of trend between the i+j small cup street lamp in the street lamp group of left side are angle, and Chinese transportation rule predetermining vehicle must travel along the road right side, so vehicle by i small cup street lamp in the process that i+j small cup street lamp travels, vehicle on road is through the induction range of described correlation laser sensor system, promptly sheltered from laser beam emitting device to laser receiver emitted laser signal, described signal processing system transmits control signal to described luminescent device switch control module, described luminescent device switch control module is controlled described luminescent device and is lighted, thereby provides road lighting for pedestrian or vehicle.Arrive before the i+j small cup street lamp and the process that shelters from occurs in vehicle, so just provide enough processing times, reduced requirement the signal processing system response speed to signal processing system.In addition, by this kind mode, can guarantee that the place ahead that is positioned at vehicle forward direction has the street lamp of being lighted all the time on the one hand, thereby ensure illuminating effect that the position and the number of the street lamp of being lighted simultaneously can be carried out coarse regulation by the number and the position of luminescent device switch control module; Each parts of energy-conserving road lamp control system can be fixed on the street lamp post on the other hand, and need not to establish in addition other supporter, reduced cost.
Described traffic responsive sensing system comprises infrared sensor module on the street lamp post of the i+j small cup street lamp that at least one places left side street lamp group, and the infrared sensor module connects signal processing system.The infrared sensor group is mainly used in the pavement of both sides, inspection vehicle trade, can effectively avoid occurring the monitoring blind area.
Described traffic responsive sensing system also comprises a ultrasonic radar system, and the ultrasonic radar system connects signal processing system.The installation site of ultrasonic radar system is unrestricted.When the pedestrian on the road or vehicle are in the induction range of described ultrasonic radar system, the ultrasonic radar system responses, send corresponding signal to described signal processing system, described signal processing system transmits control signal to described luminescent device switch control module according to received signal, described luminescent device switch control module is controlled described luminescent device and is lighted, thereby provides road lighting for pedestrian or vehicle.Ultrasonic radar system antijamming capability is strong, can effectively reduce the probability that mistake control occurs.
Beneficial effect: owing to adopted technique scheme, the utility model can carry out better controlled to road lamp system, reaches car and comes that lamp is bright, car is walked the effect that lamp puts out, thereby effectively saved electric power.
Description of drawings
Fig. 1 is the circuit block diagram of energy-conserving road lamp control system;
Fig. 2 is a kind of structural representation of energy-conserving road lamp control system;
Fig. 3 is the structural representation of the road lamp system of employing energy-conserving road lamp control system.
Embodiment
Below in conjunction with concrete diagram, further explain the utility model.
See figures.1.and.2, the energy-conserving road lamp control system comprises that one is used to control the luminescent device switch control module 23 of street lamp luminance, luminescent device switch control module 23 connects the luminescent device 11 of street lamp, comprise that also one is used to respond to traffic responsive sensing system 21, a signal processing system 22 of pedestrian on the road or vehicle condition, traffic responsive sensing system 21 connects signal processing system 22, and signal processing system 22 connects luminescent device switch control module 23.
With reference to Fig. 1, traffic responsive sensing system 21 comprises correlation laser sensor system 24.Can only have only correlation laser sensor system 24 in the traffic responsive sensing system 21, other sensing system also can be set again.Correlation laser sensor system 24 comprises a laser beam emitting device 241 and laser receiver 242.Laser beam emitting device 241 and laser receiver 242 lay respectively at the road both sides of being monitored.Adopt correlation laser sensor system 24 to monitor, can monitor greater than the road of 100m width to the road of broad.Signal processing system 22 can be the signal processing system with delay function, and like this after lighting luminescent device 11, may command luminescent device 11 continues luminous a period of times, so that provide lasting road lighting for pedestrian or vehicle.
Pedestrian on road or vehicle are through the induction range of correlation laser sensor system 24, promptly sheltered from laser beam emitting device 241 when laser receiver 242 emitted laser signals, signal processing system 22 transmits control signal to luminescent device switch control module 23, luminescent device switch control module 23 controlling light emitting device 11 are lighted, thereby provide road lighting for pedestrian or vehicle.Laser on the laser beam emitting device 241 can adopt infrared laser, disturbs and the enhancing antijamming capability to avoid vision.Laser beam emitting device 241 is provided with an oscillating circuit, the signal output part of oscillating circuit connects laser, the laser signal that laser is produced is the laser signal of vibration (flicker), and laser receiver 242 is provided with the signal processing module corresponding with described oscillating circuit.By using the laser signal of vibration (flicker), further strengthen antijamming capability.Oscillating circuit can also have frequency modulation function, by laser signal is carried out frequency modulation, further strengthens antijamming capability.
Traffic responsive sensing system 21 also comprises at least one infrared sensor module.In order to obtain better monitoring effect, the infrared sensor module has even number, and even number infrared sensor module is divided two groups, on the street lamp post of the road both sides that are placed in.Adopt the infrared sensor module to monitor, can effectively avoid occurring the monitoring blind area the pavement of driveway both sides.Described infrared sensor module can adopt pyroelectric infrared sensor.
Traffic responsive sensing system 21 also comprises a ultrasonic radar system 25, is used to respond to pedestrian or vehicle condition on the road.When the pedestrian on the road or vehicle are in the induction range of ultrasonic radar system 25,25 responses of ultrasonic radar system, send corresponding signal to signal processing system 22, signal processing system 22 transmits control signal to luminescent device switch control module 23 according to received signal, luminescent device switch control module 23 controlling light emitting device 11 are lighted, thereby provide road lighting for pedestrian or vehicle.Ultrasonic radar system 25 generally can monitor 10m preferably with interior pedestrian or vehicle, has bigger monitoring area.Can use separately, also can with correlation laser sensor system 24 use that cooperatively interacts, to reach more comprehensively monitoring effect.Ultrasonic radar system 25 also can adopt the active type infrared induction system to substitute.
With reference to Fig. 2, in order to save the space, the energy-conserving road lamp control system comprises first housing 3 and second housing 4, first housing 3 and second housing 4 are relatively independent, be provided with in first housing 3 in laser beam emitting device 241, the second housings 4 and be provided with laser receiver 242, infrared sensor module, signal processing system 22.
With reference to Fig. 1, Fig. 2 and Fig. 3, adopt the road lamp system of energy-conserving road lamp control system, comprise the right side street lamp group that is positioned at the road right side, the left side street lamp group that is positioned at the road left side, also comprise the energy-conserving road lamp control system.The energy-conserving road lamp control system comprises that one is used to control the luminescent device switch control module 23 of street lamp luminance, and luminescent device switch control module 23 connects the luminescent device 11 of street lamp.The energy-conserving road lamp control system comprises that also one is used to respond to traffic responsive sensing system 21, a signal processing system 22 of pedestrian on the road or vehicle condition, traffic responsive sensing system 21 connects signal processing system 22, and signal processing system 22 connects luminescent device switch control module 23.The luminescent device switch control module has two at least, at least two luminescent device switch control modules road both sides that are placed in.
Traffic responsive sensing system 21 comprises correlation laser sensor system 24, correlation laser sensor system 24 comprises a laser beam emitting device 241 and a laser receiver 242, laser beam emitting device 241 is arranged on the street lamp post of i small cup street lamp of right side street lamp group, and laser receiver 242 is arranged on the street lamp post of i+j small cup street lamp of left side street lamp group.Laser receiver 242 connects signal processing system 22, and signal processing system 22 connects luminescent device switch control module 23.Luminescent device switch control module 23 has two at least, the luminescent device of the i+j small cup street lamp in the street lamp group of connection left side, a luminescent device that connects the i+j small cup street lamp in the street lamp group of right side.
Because i small cup street lamp in the street lamp group of right side and line direction and the road bearing of trend between the i+j small cup street lamp in the street lamp group of left side are angle, and Chinese transportation rule predetermining vehicle must travel along the road right side, so vehicle by i small cup street lamp in the process that i+j small cup street lamp travels, vehicle on road is through the induction range of correlation laser sensor system 24, promptly sheltered from laser beam emitting device 241 to laser receiver 242 emitted laser signals, signal processing system 22 transmits control signal to luminescent device switch control module 23, luminescent device switch control module 23 controlling light emitting device 11 are lighted, thereby provide road lighting for pedestrian or vehicle.And the process that shelters from occurs in vehicle and arrives before the i+j small cup street lamp, is provided so just for signal processing system 22 in enough processing times, has reduced the requirement to signal processing system 22 response speeds.In addition, by this kind mode, can guarantee that the place ahead that is positioned at vehicle forward direction has the street lamp of being lighted all the time on the one hand, thereby ensure illuminating effect that the position and the number of the street lamp of being lighted simultaneously can be carried out coarse regulation by the number and the position of luminescent device switch control module 23; Each parts of energy-conserving road lamp control system can be fixed on the street lamp post on the other hand, and need not to establish in addition other supporter, reduced cost.
Traffic responsive sensing system 21 comprises infrared sensor module on the street lamp post of the i+j small cup street lamp that at least one places left side street lamp group, and the infrared sensor module connects signal processing system 22.The infrared sensor group is mainly used in the pavement of both sides, inspection vehicle trade, can effectively avoid occurring the monitoring blind area.
Traffic responsive sensing system 21 also comprises a ultrasonic radar system 25, and ultrasonic radar system 25 connects signal processing system 22.The installation site of ultrasonic radar system 25 is unrestricted.When the pedestrian on the road or vehicle are in the induction range of ultrasonic radar system 25,25 responses of ultrasonic radar system, send corresponding signal to signal processing system 22, signal processing system 22 transmits control signal to luminescent device switch control module 23 according to received signal, luminescent device switch control module 23 controlling light emitting device 11 are lighted, thereby provide road lighting for pedestrian or vehicle.Ultrasonic radar system 25 antijamming capabilities are strong, can effectively reduce the probability that mistake control occurs.
Above the left side and the right side of said road all be for the direction of vehicle ', the vehicle that for example travels eastwards, the right side of road is near a southern side, and for the vehicle of opening in the other direction, the right side of road is the side near the north, so the energy-conserving road lamp control system side can not occur and light in the process of installing, the situation that opposite side can't be lighted can not occur simultaneously a side yet and light a slow side and light fast situation.Must only need to adjust the direction of laser correlation in the use along the countries and regions of left driving for vehicle, during installation the i+j small cup street lamp in the street lamp group of left side is changed to i-j small cup street lamp and get final product.
More than show and the basic principle of description utility model utility model and the advantage of principal character utility model utility model.The technical staff of the industry should understand the restriction that the utility model utility model is not subjected to above-mentioned using method; the principle of describing in above-mentioned using method and the specification of just saying the utility model utility model; the utility model utility model also has various changes and modifications under the prerequisite of not taking off utility model utility model spirit and scope, and these changes and improvements all fall into the interior claimed scope of utility model utility model of claimed utility model utility model scope and defined by appending claims and equivalent thereof.
Claims (10)
1. the energy-conserving road lamp control system comprises that one is used to control the luminescent device switch control module of street lamp luminance, described luminescent device switch control module connects the luminescent device of street lamp, it is characterized in that, comprise that also one is used to respond to traffic responsive sensing system, a signal processing system of pedestrian on the road or vehicle condition, described traffic responsive sensing system connects described signal processing system, and described signal processing system connects described luminescent device switch control module.
2. energy-conserving road lamp control system according to claim 1 is characterized in that, described traffic responsive sensing system comprises the correlation laser sensor system;
Described correlation laser sensor system comprises a laser beam emitting device and a laser receiver, and described laser beam emitting device and described laser receiver lay respectively on the street lamp post of road both sides.
3. energy-conserving road lamp control system according to claim 2 is characterized in that, described traffic responsive sensing system comprises at least one infrared sensor module.
4. energy-conserving road lamp control system according to claim 3 is characterized in that, described infrared sensor module adopts pyroelectric infrared sensor.
5. according to any described energy-conserving road lamp control system in the claim 1 to 4, it is characterized in that described traffic responsive sensing system comprises a ultrasonic radar system.
6. according to claim 3 or 4 described energy-conserving road lamp control system, it is characterized in that, the energy-conserving road lamp control system comprises first housing and second housing, described first housing and described second housing are relatively independent, be provided with laser beam emitting device in described first housing, be provided with laser receiver, infrared sensor module, signal processing system in described second housing.
7. adopt the road lamp system of energy-conserving road lamp control system, comprise the right side street lamp group that is positioned at the road right side, the left side street lamp group that is positioned at the road left side, it is characterized in that, also comprise the energy-conserving road lamp control system;
The energy-conserving road lamp control system comprises that one is used to control the luminescent device switch control module of street lamp luminance, and described luminescent device switch control module connects the luminescent device of street lamp;
The energy-conserving road lamp control system comprises that also one is used to respond to traffic responsive sensing system, a signal processing system of pedestrian on the road or vehicle condition, described traffic responsive sensing system connects described signal processing system, and described signal processing system connects described luminescent device switch control module;
Described luminescent device switch control module has two at least, at least two described luminescent device switch control modules road both sides that are placed in.
8. the road lamp system of employing energy-conserving road lamp control system according to claim 7, it is characterized in that, described traffic responsive sensing system comprises the correlation laser sensor system, described correlation laser sensor system comprises a laser beam emitting device and a laser receiver, described laser beam emitting device is arranged on the street lamp post of i small cup street lamp of right side street lamp group, and described laser receiver is arranged on the street lamp post of i+j small cup street lamp of left side street lamp group;
Described laser receiver connects described signal processing system, and described signal processing system connects described luminescent device switch control module;
Described luminescent device switch control module has two at least, the luminescent device of the i+j small cup street lamp in the street lamp group of connection left side, a luminescent device that connects the i+j small cup street lamp in the street lamp group of right side.
9. the road lamp system of employing energy-conserving road lamp control system according to claim 8, it is characterized in that, described traffic responsive sensing system comprises infrared sensor module on the street lamp post of the i+j small cup street lamp that at least one places left side street lamp group, and the infrared sensor module connects signal processing system.
10. according to the road lamp system of any described employing energy-conserving road lamp control system in the claim 7 to 9, it is characterized in that described traffic responsive sensing system also comprises a ultrasonic radar system, the ultrasonic radar system connects signal processing system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202803346U CN201957284U (en) | 2010-08-03 | 2010-08-03 | Control system of energy-saving road lamp and road lamp system adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202803346U CN201957284U (en) | 2010-08-03 | 2010-08-03 | Control system of energy-saving road lamp and road lamp system adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201957284U true CN201957284U (en) | 2011-08-31 |
Family
ID=44501385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202803346U Expired - Fee Related CN201957284U (en) | 2010-08-03 | 2010-08-03 | Control system of energy-saving road lamp and road lamp system adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201957284U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889882A (en) * | 2016-06-06 | 2016-08-24 | 中国计量大学 | Road streetlamp control method |
| CN108282920A (en) * | 2018-02-01 | 2018-07-13 | 长春理工大学 | A kind of gradual brightness control system of LED intelligent road-lamps |
-
2010
- 2010-08-03 CN CN2010202803346U patent/CN201957284U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889882A (en) * | 2016-06-06 | 2016-08-24 | 中国计量大学 | Road streetlamp control method |
| CN105889882B (en) * | 2016-06-06 | 2019-01-29 | 中国计量大学 | A kind of road method for controlling street lamps |
| CN108282920A (en) * | 2018-02-01 | 2018-07-13 | 长春理工大学 | A kind of gradual brightness control system of LED intelligent road-lamps |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201599693U (en) | Active infrared monitoring and energy-saving road lamp | |
| CN102196616B (en) | Traffic-sensing energy-saving street lamp and energy-saving street lamp system | |
| CN106211512B (en) | Communication system between street lamps | |
| CN201599694U (en) | Pedestrian detection energy-saving street lamp and energy-saving street lamp system | |
| CN102264169B (en) | There is the induction road lamp system of distinguishing pedestrian and vehicle heading function | |
| CN211656439U (en) | Wisdom city street lamp lighting control system | |
| CN103561511A (en) | Luminance-controllable roadway illumination control method and system | |
| CN104284493A (en) | Intelligent illuminating method and system based on image perception | |
| CN102264171A (en) | Long distance sensitive street lamp system | |
| CN203523115U (en) | Brightness-controllable road illumination system | |
| CN105682311A (en) | Real-time traffic flow based streetlamp energy-saving control system | |
| CN107135588A (en) | Energy-saving controlling device for street lamp, system and its control method | |
| CN201957284U (en) | Control system of energy-saving road lamp and road lamp system adopting same | |
| CN110177417A (en) | A kind of street lamp control system and control method based on condition of road surface control | |
| CN206713142U (en) | Energy-saving controlling device for street lamp | |
| CN105682322A (en) | Intelligent self-starting street lamp system | |
| CN201892138U (en) | Sound control solar light-emitting diode (LED) street lamp | |
| CN203523114U (en) | Road illuminating system with controllable covering area | |
| CN201893968U (en) | Energy-saving street lamp control system | |
| CN201954437U (en) | Self-induction solar street lamp system | |
| CN106658882A (en) | Suburban intelligent street lamp | |
| CN201954438U (en) | Ultrasonic sensing solar street lamp | |
| CN202095137U (en) | Radio transmission based street lamp system | |
| CN210899765U (en) | Green wisdom traffic lighting system based on 5G | |
| CN201606804U (en) | Energy-saving road lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20120803 |