CN102353013B - Fluid driven energy-saving street lamp, illumination system and control method thereof - Google Patents
Fluid driven energy-saving street lamp, illumination system and control method thereof Download PDFInfo
- Publication number
- CN102353013B CN102353013B CN201110212522.4A CN201110212522A CN102353013B CN 102353013 B CN102353013 B CN 102353013B CN 201110212522 A CN201110212522 A CN 201110212522A CN 102353013 B CN102353013 B CN 102353013B
- Authority
- CN
- China
- Prior art keywords
- energy
- lamp
- sensor
- street lamp
- wind
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
-
- 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
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Landscapes
- Wind Motors (AREA)
Abstract
The invention discloses a fluid driven energy-saving street lamp, an illumination system and a control method thereof. When an automobile runs at a certain speed, wind is generated; a vertical axis H-shaped wind energy generator is used as a foundation model; and when a lamp tube is perfectly matched with a lampshade, the lampshade is directly used as a blade of a wind generating system. Power is generated by daylight, and power is used and generated at night. The street lamp is in a small street lamp form, is convenient to install and debug, is placed in a lamp bank form, and is favorable for large-batch production, installation and maintenance. A creative control system model and massive sensors are adopted in the street lamp, so that 'the lamp is turned on when the automobile comes and turned off when the automobile leaves' is achieved. The purpose of saving energy is fulfilled. The fluid wind energy of the vehicle is used as initial energy, Savonius type wind power generation is used as the basic concept, and the vertical axis H-shaped wind energy generator is used as the foundation model. When the lowest speed of the automobile driven by wind energy during running is 8.33 meters per second and the size of the blade is 0.45 square meter, the wind power generation can be driven, and 270,396KWH power can be saved every year in a 10km quick expressway. The wind energy generated when the automobile runs can be efficiently acquired, and the street lamp is used for illumination under the condition that the street lamp is separated from a power grid.
Description
Technical field:
The present invention relates to wind power generation and illumination field, particularly make Intelligent energy-saving street lamp, illuminator and the control method thereof of LED energy-conserving road lamp illumination for departing from wind power generation that electrical network only utilizes automobile to produce between advancing.
Background technology:
Street lamp is the chief component of city illumination engineering, and at night, very important effect is played in the illumination of street lamp.Present street lamp exists some drawback: street lamp cost high and all night illumination, without car by time waste, electric quantity consumption is very serious, is to State Grid's resource challenge.And labour cost is high, in installation, maintenance, maintenance, cost is quite high.On road, the produced wind energy of travelling of automobile is utilized, real genus unfortunately.
Chinese utility model patent (CN201771684U) discloses a kind of driving vehicle wind-energy recovering generating system, and it is equiped with lamp and has vertical-type wind-driven generator on electric pole, has output shaft to connect generator on the axis of wind-driven generator.Its work characteristics is not yielding and can accepts the wind energy in all directions, utilizes the automobile travelling on highway to produce wind power generation, can form wind and solar hybrid generating system with solar energy.But the electric pole device in this system makes to install complicated, although vertical-type wind-driven generator feasibility is strong, due to the frame for movement of this system cause that wind-driven generator cannot do larger, thereby the collection of wind energy is extremely limited.Secondly, the systematicness of this system is only the combination of several lamps, all the time not having is clearly to be provided or provided by electrical network by wind-power electricity generation for lamp provides the mode of the energy, will too high if can not depart from electrical network by the cost that makes this system be erected in enormous quantities expressway.If the wind-force electrical machinery price in each system, higher than the price of the several years electric consumption of existing every lamp, is set up wind-force electrical machinery nonsensical so.The 3rd, cannot accomplish intelligentized collection, control the manpower absorption cost turn-offing inestimable.In prior art, there is no the use of sensor, therefore cannot play the on-off action of turning off the light daytime and turning on light evening, and the control of throwing light on for front.
Summary of the invention:
The above-mentioned many defects that exist for solving prior art; the claimed system of the present invention is an illuminator being made up of multiple energy-conserving road lamps; need being engaged in when relying on wind power generation completely of lamp group to use sensor as on-off circuit, rely on the control of lamp group to make fluid energy electricity generation system obtain independently controlling and intelligentized use.
Technical scheme of the present invention provides a kind of Intelligent energy-saving street lamp of disengaging electrical network of the fluid driven for through street, it comprises LED lamp, battery, optical switch, sensor and the delay circuit in generator, power-driven generator leaf, placed, and it is self-powered that it can depart from electrical network.Utilize through street to get on the car to advance produced wind energy, drive vertical-type wind-driven generator generating, battery is charged, control the illumination of LED by two-tube switch, sensor and the delay circuit of helping secretly night.
Technical scheme of the present invention also provides a kind of energy-conserving road lamp.Automobile, current, when with certain speed, can produce wind or flow velocity, and take vertical axis H type wind-driven generator as basic model, in the time of fluorescent tube and lampshade perfect cooperation, lampshade is directly used as the blade of wind generator system or the blade of other fluid power-generation systems.
Technical scheme of the present invention also provides a kind of energy-saving street lamp illumination system, and its described fluid driven energy-saving street lamp by predetermined quantity forms.
Technical scheme of the present invention also provides a kind of control method of fluid driven energy-saving street lamp illuminator, comprises the first step: generator receives fluid energy; Second step: fluid can be converted into electric energy by generator; The 3rd step: deposit produced electric energy in battery; The 4th step: whether optical switch, is wherein controlled only charging and do not powered to the power supply of LED lamp according to surround lighting control battery under the stronger condition of surround lighting, controls not only chargeable but also can power under the weak condition of surround lighting; The 5th step: whether sensor detection vehicle passes through, as detect vehicle by connecting LED circuit for lamp; The 6th step: all meet under the state of equal turn-on condition at optical switch and sensor, battery is to the power supply of LED lamp, and LED lamp is lighted.
Accompanying drawing explanation:
Accompanying drawing 1 is the system construction drawing of fluid driven energy-saving street lamp illuminator;
The structure chart that accompanying drawing 2 is fluid driven energy-saving street lamp.
The specific embodiment:
Below the workflow of 1 convection cell traction type through street Intelligent energy-saving street lamp illumination system is elaborated by reference to the accompanying drawings.The first step: the wind energy that running car produces drives fan blade to rotate, and certain extraneous wind energy also can be utilized; Second step: fan blade rotates the wind energy producing and drives speed increasing gear to generate electricity by generator; The 3rd step: the generating by generator, to charge in batteries, makes battery produce continual and steady electric current and provides firm energy to the illumination of street lamp; The 4th step: optical switch, be preferably the two-tube switch of helping secretly, control daytime circuit and turn-off, namely street lamp is only stopped power supply to charge in batteries, and to night make it can allow street lighting to circuit turn-on; The 5th step: utilize infrared sensor or ultrasonic sensor as automobile by blocking the switch that makes lighting circuit conducting, can in without car situation, save the electricity that daytime, battery filled, reach and depart from electrical network completely; The 6th step: under two-tube state of helping switch and the equal conducting of sensing switch secretly, battery is powered to energy-conserving road lamp.Can reach car and carry out the bright car of lamp and walk the effect that lamp goes out by controlling one group of energy-conserving road lamp, the quantity of this group energy-conserving road lamp is preferably 10, energy-conserving road lamp is preferably 10 meters, interval between any two, thereby driver's field range all can be thrown light on, and one group of energy-conserving road lamp has formed this system.A for example lamp group of every 10 energy-conserving road lamps composition, in the time that the infrared sensor of first lamp in every group of energy-conserving road lamp or ultrasonic sensor sense automobile by needs starting energy-saving street lamp, open this and organize whole ten energy-conserving road lamps, in the time that garage proceeds to next group energy-conserving road lamp region, then carry out identical control by first lamp of next group energy-conserving road lamp.
Certainly, the method for above-mentioned control energy-conserving road lamp is not limited to this, also can not divide into groups.In the time that the infrared sensor of an energy-conserving road lamp or ultrasonic sensor sense automobile and pass through, open the energy-conserving road lamp of predetermined quantity, for example only open next energy-conserving road lamp closing on, or only open this energy-conserving road lamp and next energy-conserving road lamp, if now this energy-conserving road lamp is lighted, only open next energy-conserving road lamp.The energy-conserving road lamp of above-mentioned predetermined quantity is not limited to one or two, and those skilled in the art can further develop it.
The structure of 2 convection cell driven energy-saving street lamps describes by reference to the accompanying drawings.Energy-conserving road lamp comprises: fan blade 1 is lampshade, when fan blade generating, also makes lamp and fan blade combination, saves space and wind energy utilization high; Led 2, the use of LED lamp is the result of the required and economic calculating of system, this is determined by the multiple switching characteristic of led; Wind-driven generator 3, collects fan blade and rotates the wind energy producing; Battery 4, the electric energy that wind-driven generator is produced is collected, charging, to night utilize the electricity filling daytime to provide electric energy to the illumination of LED lamp; Optical switch 5, is preferably the two-tube switch of helping secretly, is first switch of illuminator and energy-conserving road lamp, because making daytime lamp, the existence of this switch only do not work to charge in batteries, and just likely make night lamp bright, but also to coordinate second switch, the namely conducting of sensor to make lamp illumination; Sensor 6, it is second switch of illuminator and energy-conserving road lamp.
Certainly, in the time of fluorescent tube and lampshade perfect cooperation, lampshade is directly used as the blade of wind generator system or the blade of other fluid power-generation systems, this structure also can be independently for the street lamp of other types.
Energy-conserving road lamp is preferably 10 one group, can accomplish " it is bright that car carrys out lamp, and car is walked lamp and gone out ", allows the illuminator intellectuality, sensor can be infrared sensor or ultrasonic sensor.When have car by time block sensor, make it allow circuit turn-on, in addition delay circuit makes street lamp continue illumination; Also comprise delay circuit (not shown), by the control of delay circuit, after the scheduled time, be preferably 30S at automobile, LED lamp automatic distinguishing.Due to repeatedly conducting and the shutoff of this process need lamp, so consider high efficiency low-loss and the extra long life of LED lamp, select LED very necessary as fluorescent tube.
Operation principle of the present invention is: the fluid energy being converted into by automobile speed, flow rate of water flow, can be converted into fan blade rotary speed by the fluid producing, being converted into generator speed by fan blade rotating speed, being converted into provided electric energy by generator speed, is finally accumulator electric-quantity by generator electric energy conversion.Fluid is not limited to wind energy, and water flow energy can also be done similar Conversion of Energy.
The speed of a motor vehicle, the speed of water quick decision constant current body, thus drive generator is charge in batteries, thus reach the effect that departs from electrical network.Between generator and fan blade, increase speed increasing gear, enough rotating speeds are provided.Generator is connected with battery, and centre adds control circuit, comprises rectifier, DC～DC DC voltage booster circuit, controller etc., and control generator at night is directly powered and battery-driven conversion.Battery charging in daytime, electricity consumption at night, all electric energy can be provided by fluid completely.Two-tube switch of helping switch control brightness secretly, according to the lighting and extinguish of the intensity control LED lamp of surrounding environment, daytime, switch disconnected, even if sensor sensing is to automobile like this, circuit also cannot be connected, and with regard to can consume electric power, is store electrical energy.And to night or the not enough bad weather of light, switch closure, thus circuit communication makes sensor start to work.So also can avoid needing Artificial Control LED lamp the lighting of night, make whole design more intelligent, reach charge in batteries on daytime storage battery power supply at night with this.The unlatching of ultrasonic sensor or infrared sensor control lamp group, night running senses that vehicle lights illumination through lamp group and be preferably approximately 100 meters of sections, left and right (scopes of approximately ten street lightings).By the control of delay circuit, as after automobile process 30s, LED lamp automatic distinguishing.
Through calculating, in the fluid energy (wind energy of automobile or other fluid drivens, water flow energy etc.) minimum speed is 8.33 metre per second (m/s)s, fan blade size is 0.45 square metre can drive wind-power electricity generation, and 10 kilometers of through streets can be saved every year in 270396 degree electricity water and be travelled and can make water transportation safer.Use the fluid that running car and other fluids produce can highly effective gathering and lamp is thrown light in the situation that departing from electrical network, for much setting up the region of electrical network and the area that independent mini system is set up.
The main feature of fluid driven formula through street intelligent illumination system is:
From net design, to flow able to generate electricity by body energy as unique energy that utilizes, battery is independently-powered, and detachment system electrical network, saves the measures into electrical network completely.Can be used for various quick sections, and the area that is unfavorable for setting up electrical network is that section from far-off regions is benefited.
Green energy resource, the collection of fluid energy is saved a large amount of unnecessary power consumption, energy-saving wealth with utilization.
Generating freely, is beneficial to and is arranged on both sides, through street with the fan blade of Sa Woniusishi, thereby to such an extent as to can easily gather the wind energy that running car produces and be converted into electric energy.Thereby and can change utilization rate along with the size that need to change fan blade of different regions.
Intelligent strong, two-tube use of helping switch and sensor secretly can be accomplished darkness bright light, and daybreak turns off the light, and it is bright that car carrys out lamp, and car is walked lamp and gone out.Electric energy is provided by battery, and prosthetic, automatically tackles all completely.
Save electric energy, the electric energy tacit agreement that the electric energy of circuit control system battery provides with fan blade mechanical rotation coordinates.Maximize and use wind power generation electric energy.Can not there is the situation of electricity consumption deficiency in night.Thereby reach intellectuality and independent.
Light is soft, the use durable of LED lamp, can be for the delay circuit in this system and sensing switch frequent.Light is not dazzling, almost without blind angle.
Lamp type is suitable, the highest only design of 2 meters of size, make with low cost, near-earth illumination, bright angle of coverage is large, safety coefficient rises.
Illumination intelligence, is one group and first in order to 10～11 lamps and is equipped with sensor, 10～15 meters of spacing between two, and when running car to the first lamp, 10 one group of lamps are entirely bright.Driver is visual reaches 100～150 meters.Throw light on by delay circuit control lamp group.
Design is leading, and fan blade is lampshade, fan blade hollow, and LED lamp is placed in one.Save space atmosphere attractive in appearance and do not lose gracefulness.
Later stage saves worry, and installs, and detects, and maintenance is saved worry.With lamp group form, a damage does not affect all, and therefore maintenance is convenient.And effective fast, cost is not high.
The present invention is not limited to the specific disclosure described in specific embodiment part, or as any embodiment of realizing optimal mode that the present invention envisions and disclosing.
Claims (15)
1. a fluid driven energy-saving street lamp, it comprises generator and fan blade thereof, for the LED lamp throwing light on, the sensor of whether lighting for the battery of storage of electrical energy with for controlling energy-conserving road lamp, also comprise optical switch, only charge and do not power under the stronger condition of surround lighting for controlling energy-conserving road lamp, not only chargeable but also can power under the weak condition of surround lighting, it is characterized in that: the open and close of optical switch control sensor, closure sensor under the stronger condition of surround lighting, turn on sensor under the weak condition of surround lighting; Described fan blade is as the lampshade of described LED lamp, and described LED lamp is positioned at described fan blade inside, fan blade hollow, and LED lamp is placed in one, and when LED lamp coordinates with lampshade, lampshade is directly used as the blade of wind generator system, saves space and improves wind energy utilization.
2. fluid driven energy-saving street lamp according to claim 1, also comprises delay control circuit, extinguishes lighting after the scheduled time for controlling energy-conserving road lamp.
3. fluid driven energy-saving street lamp according to claim 1 and 2, wherein said generator is vertical-type wind-driven generator.
4. fluid driven energy-saving street lamp according to claim 1 and 2, wherein sensitization controller is the two-tube switch of helping secretly.
5. fluid driven energy-saving street lamp according to claim 1 and 2, wherein sensor is infrared sensor or ultrasonic sensor.
6. the illuminator being made up of the fluid driven energy-saving street lamp described in any one in claim 1-5, is characterized in that: the described fluid driven energy-saving street lamp by predetermined quantity forms.
7. illuminator according to claim 6, described fluid driven energy-saving street lamp spacing is between any two 10 meters.
8. illuminator according to claim 6, described predetermined quantity is 10.
9. illuminator according to claim 6, described predetermined quantity is 2.
10. a control method for illuminator as claimed in claim 6, is characterized in that: method comprises,
The first step: generator receives fluid energy;
Second step: fluid can be converted into electric energy by generator;
The 3rd step: deposit produced electric energy in battery;
The 4th step: whether optical switch, is wherein controlled only charging and do not powered to the power supply of LED lamp according to surround lighting control battery under the stronger condition of surround lighting, controls not only chargeable but also can power under the weak condition of surround lighting;
The 5th step: whether sensor detection vehicle passes through, as detect vehicle by connecting LED circuit for lamp;
The 6th step: all meet under the state of equal turn-on condition at optical switch and sensor, battery is to the power supply of LED lamp, and LED lamp is lighted.
11. according to control method as claimed in claim 10, between the 4th step and the 5th step, also comprises: the open and close of optical switch control sensor, closure sensor under the stronger condition of surround lighting, turn on sensor under the weak condition of surround lighting.
12. according to the control method as described in claim 10 or 11, all meets under the state of equal turn-on condition at optical switch and sensor, lights the LED lamp of predetermined quantity.
13. according to control method as described in claim 10 or 11, and the energy-conserving road lamp of predetermined quantity is divided into one group, when first of every group of energy-conserving road lamp all meets under the state of equal turn-on condition at its optical switch and sensor, lights this and organizes whole energy-conserving road lamps.
14. according to control method as claimed in claim 12, and at vehicle, after the scheduled time, delay control circuit control LED lamp extinguishes.
15. according to control method as claimed in claim 13, and at vehicle, after the scheduled time, delay control circuit control LED lamp extinguishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110212522.4A CN102353013B (en) | 2011-07-28 | 2011-07-28 | Fluid driven energy-saving street lamp, illumination system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110212522.4A CN102353013B (en) | 2011-07-28 | 2011-07-28 | Fluid driven energy-saving street lamp, illumination system and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102353013A CN102353013A (en) | 2012-02-15 |
| CN102353013B true CN102353013B (en) | 2014-05-14 |
Family
ID=45576636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110212522.4A Active CN102353013B (en) | 2011-07-28 | 2011-07-28 | Fluid driven energy-saving street lamp, illumination system and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102353013B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421755A (en) * | 2013-08-28 | 2015-03-18 | 河南新飞利照明科技有限责任公司 | Intelligent LED street lamp and control method for LED street lamps |
| CN110550531A (en) * | 2018-06-02 | 2019-12-10 | 天津滨海三洋电梯有限公司 | External sightseeing elevator with solar power generation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2550638Y (en) * | 2002-05-27 | 2003-05-14 | 章宪 | Low pressure small power wind power road lamp |
| CN200940802Y (en) * | 2006-07-20 | 2007-08-29 | 陈文良 | Novel lawn lamp |
| CN101556017A (en) * | 2009-03-12 | 2009-10-14 | 江门市中意灯饰水晶有限公司 | Novel energy-saving street lamp |
| CN201555127U (en) * | 2009-07-17 | 2010-08-18 | 秦兵 | Intelligent LED street lamp system |
| CN201794719U (en) * | 2010-08-18 | 2011-04-13 | 池州学仕科技发展有限公司 | Small-space wind power generation device |
-
2011
- 2011-07-28 CN CN201110212522.4A patent/CN102353013B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2550638Y (en) * | 2002-05-27 | 2003-05-14 | 章宪 | Low pressure small power wind power road lamp |
| CN200940802Y (en) * | 2006-07-20 | 2007-08-29 | 陈文良 | Novel lawn lamp |
| CN101556017A (en) * | 2009-03-12 | 2009-10-14 | 江门市中意灯饰水晶有限公司 | Novel energy-saving street lamp |
| CN201555127U (en) * | 2009-07-17 | 2010-08-18 | 秦兵 | Intelligent LED street lamp system |
| CN201794719U (en) * | 2010-08-18 | 2011-04-13 | 池州学仕科技发展有限公司 | Small-space wind power generation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102353013A (en) | 2012-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200961814Y (en) | Sun-tracked photoelectrical complementary solar energy road lamp | |
| CN207316769U (en) | A kind of freeway tunnel green intelligent lighting system | |
| CN103024995A (en) | Solar LED (Light-Emitting Diode) streetlamp control system and control method | |
| CN205299367U (en) | Street lamp | |
| CN104197266A (en) | Dual-energy-efficient streetlamp | |
| CN202118763U (en) | Energy-saving street lamp | |
| CN201811130U (en) | Active server pages (ASP) light-emitting diode (LED) road tunnel lighting system | |
| CN209691104U (en) | A kind of intelligent solar traffic lights | |
| CN104713014A (en) | Novel solar energy and wind power generation integration streetlamp | |
| CN105472819A (en) | Controller for light-operated street lamp employing vehicle light and application method of controller | |
| CN106247264B (en) | A kind of Solar Street Lighting System | |
| CN202955615U (en) | Self-generating street lamp capable of generating power by using pressure difference | |
| CN208595498U (en) | A kind of new type solar energy lamp stand | |
| CN102353013B (en) | Fluid driven energy-saving street lamp, illumination system and control method thereof | |
| CN201836799U (en) | Unnatural wind power comprehensive utilization illuminating device | |
| CN201475844U (en) | Solar-wind hybrid street lamp | |
| CN203349142U (en) | Wind-solar complementary infrared sensing energy-saving street lamp | |
| CN105992433A (en) | Solar street lamp control system | |
| CN104595830A (en) | Wind and light complementary LED streetlamp | |
| CN206112802U (en) | Increase street lamp that solar energy power generation is rateed and solar energy and wind energy generates electricity in turn | |
| CN104534388A (en) | Intelligent solar energy LED street lighting system | |
| KR20110026849A (en) | Lemp having solar beam - charge with filling up pluger for electronic car | |
| CN203771280U (en) | Solar LED street lamp | |
| CN201218459Y (en) | Natural energy road lamp | |
| CN106122879A (en) | A kind of energy-saving LED road lamp control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |