CN105972450B - A kind of Solar lamp with hot pipe cooling structure and method - Google Patents

A kind of Solar lamp with hot pipe cooling structure and method Download PDF

Info

Publication number
CN105972450B
CN105972450B CN201610463220.7A CN201610463220A CN105972450B CN 105972450 B CN105972450 B CN 105972450B CN 201610463220 A CN201610463220 A CN 201610463220A CN 105972450 B CN105972450 B CN 105972450B
Authority
CN
China
Prior art keywords
lamp
solar
flow heat
light fixture
evaporator section
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
Application number
CN201610463220.7A
Other languages
Chinese (zh)
Other versions
CN105972450A (en
Inventor
高天放
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Tianli Energy Ltd By Share Ltd
Original Assignee
Shandong Tianli Energy Ltd By Share Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Tianli Energy Ltd By Share Ltd filed Critical Shandong Tianli Energy Ltd By Share Ltd
Priority to CN201610463220.7A priority Critical patent/CN105972450B/en
Publication of CN105972450A publication Critical patent/CN105972450A/en
Application granted granted Critical
Publication of CN105972450B publication Critical patent/CN105972450B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

The invention discloses a kind of Solar lamp with hot pipe cooling structure and method, the Solar lamp includes lamp stand, lamp stand is provided with solar cell module, oscillating flow heat pipe radiator and light fixture, side of the evaporator section of oscillating flow heat pipe radiator located at the non-luminescent face of light fixture, and between high power concentrator device in light fixture and solar cell battery component, the evaporator section of oscillating flow heat pipe radiator is less than distance of the condensation segment apart from solar cell module apart from the distance of light fixture, dry friction and heating absorb and the vibrational energy that dissipates, solar cell module energy savings are big in the present invention, photoelectric transformation efficiency effectively improves.Up to 35%, high power concentrator device can effectively improve the absorption efficiency of solar energy to high concentration solar generating battery assembly photoelectric transformation efficiency with oscillating flow heat pipe radiator, and coordinate charging-discharging controller, increase solar energy savings ability.

Description

A kind of Solar lamp with hot pipe cooling structure and method
Technical field
The invention belongs to a kind of Design of Luminaires technical field, and in particular to a kind of Solar lamp with hot pipe cooling structure and Method.
Background technology
Solar energy is increasingly paid attention to as the safe and environment-friendly new energy of a kind of " inexhaustible, nexhaustible ", with too The development and progress of positive energy photovoltaic technology, the double dominant of solar energy lamp product environmental protection and energy saving, in solar street light, garden The application of the aspects such as lamp, Lawn lamp has gradually formed scale.Solar LED street lamp with sunshine as the energy, charge evening by daytime On use, without the pipe installation of complex and expensive, can arbitrarily adjust the layout of light fixture, energy-saving safe is pollution-free, without artificial behaviour Make stable and reliable in work, save the electricity charge non-maintaining.Solar LED street lamp mainly includes the photovoltaic for converting solar energy into electrical energy Plate, battery, LED lamp.
However, country's solar street light has the following disadvantages at present:(1) undersaving of solar energy, caused at night Resident's use demand cannot be ensured in late light application time and brightness;(2) LED bulb radiating effect is not good, causes light source to use the longevity Life is shorter, it is often necessary to change, energy utilization rate is not high;(3) in rainy season, solar cell module easily makes moist, and because It is easily damaged by the intrusion of rainwater.
The radiating of LED lamp, in the market typically reaches radiating effect using the metal heat-conducting of large area, or using increasing Plus fan and micropump make its quick heat radiating and circulation, but or these devices are bulky, either it is expensive, or dissipate Heat does not reach preferable effect, to production and using bringing inconvenience.
The content of the invention
Regarding to the issue above, in order to solve the deficiencies in the prior art, the present invention provide it is a kind of with hot pipe cooling structure too Positive energy lamp, the Solar lamp can realize the effective radiating to light fixture and solar cell module, and can be according to weather condition to too What positive energy battery component was protected, can aid in extending the service life of light fixture and solar cell module;And there is provided one kind To the method for solar energy lamp radiating, can realize effectively extending the use of light fixture and solar cell module using the method Life-span.
The present invention provide a scheme be:A kind of Solar lamp with hot pipe cooling structure, including lamp stand, set on lamp stand There are solar cell module, oscillating flow heat pipe radiator and light fixture, the evaporator section of oscillating flow heat pipe radiator is located at the non-of light fixture The side of light-emitting area, and between high power concentrator device in light fixture and solar cell battery component, oscillating flow heat pipe radiating The evaporator section of device is less than distance of the condensation segment apart from solar cell module apart from the distance of light fixture.
Such Solar lamp, can be realized to light fixture and solar-electricity using the evaporator section of oscillating flow heat pipe radiator Radiated while the component of pond, oscillating flow heat pipe radiator can be horizontally disposed with can also be obliquely installed, evaporator section is located at solar energy Battery component high power concentrator device lower section, the position that condensation segment is set preferably may be located remotely from the segment distance of high power concentrator device one, lead to Air-cooled mode is crossed to be cooled down.
Further, the evaporator section etched inside of the oscillating flow heat pipe radiator is formed with multiple U-shaped microflutes.
Further, the evaporator section of the oscillating flow heat pipe radiator is prepared by high heat conduction section bar material, so can be further Accelerate evaporator section and absorb the heat that light fixture is distributed.
Further, multiple capillaries, the pipe of each capillary are provided with the condensation segment of the oscillating flow heat pipe radiator Capillary and the mutual UNICOM of evaporator section are realized after mouth and evaporator section welding, such setting can make full use of space, improve and radiate Efficiency.
Further, the liquid filled ratio of fluid media (medium) is 30%~60% in the oscillating flow heat pipe radiator.
Further, the solar cell module is obliquely installed relative to described lamp stand, inclined angle 45 °~ Between 70 °, when solar cell module is set in this angular range, can both ensure that solar energy was converted into the effect of electric energy Rate, can improve the efficiency of radiating again.
Further, in order to prevent in rainy weather, the possibility that rainwater is invaded solar panels, on the top of the lamp stand Telescopic Motorized blind bar is provided with portion, sunshading board is provided with the top of sunshade bar, sunshading board is placed on sunshade bar outside, electronic The bottom of sunshade bar is provided with electric rotating machine.
Further, the sunshading board is shaped as half flabellum shape.
Further, charging-discharging controller is set on the lamp stand and is distinguished with the Motorized blind bar, electric rotating machine The controlling switch of connection, the switch can be light-operated switch, and charging-discharging controller is connected with solar cell module, in the lamp Moisture detection sensor is set on bar, and the sensor is connected with single-lamp controller, and single-lamp controller is connected with controlling switch, charge and discharge The setting of electric controller, can select to charge solar cell module as the case may be, extend the illumination of Solar lamp Time, such case is primarily adapted for use in the shorter place of winter sunshine and rainy weather, because the street lamp in many places is set Family is proximate to, so it is also conveniently to charge.
The present invention provide another program be:A kind of method to solar energy lamp radiating, is radiated using oscillating flow heat pipe Device on the lamp stand, the evaporator section of oscillating flow heat pipe radiator located at the side in the non-luminescent face of light fixture, and in light fixture with In solar cell battery component between high power concentrator device, the evaporator section of oscillating flow heat pipe radiator is less than apart from the distance of light fixture Distance of the condensation segment apart from solar cell module.
The beneficial effects of the invention are as follows:
1) solar cell module energy savings are big, photoelectric transformation efficiency effectively improves.Band oscillating flow heat pipe radiating Up to 35%, high power concentrator device can effectively improve solar energy to the high concentration solar generating battery assembly photoelectric transformation efficiency of device Absorption efficiency, and coordinate charging-discharging controller, increase solar energy savings ability.
2) LED lamp long service life.LED lamp and solar generating battery assembly with oscillating flow heat pipe heat abstractor Good heat dissipation effect, the life-span of LED lamp can be effectively improved.
Brief description of the drawings
Fig. 1 is the structural representation of Solar lamp of the present invention;
Fig. 2 is the structural representation of oscillating flow heat pipe radiator of the present invention;
Fig. 3 is partial device structures schematic diagram of the present invention;
Fig. 4 is the schematic diagram of sunshading board of the present invention;
Fig. 5 is street lamp remote control schematics of the present invention;
Wherein:1. solar cell module, 2. condensation segment, 3. arm, 4.LED light fixtures, 5. lamp stand, 6. charge and discharge control Device, 7. single-lamp controller, 8. electric lifting rod, 9. sunshading board, 10. dividing plate.
Specific embodiment
With reference to Figure of description 1 to Fig. 3 and specific embodiment, the invention will be further described:
As shown in figure 1, a kind of Solar lamp with hot pipe cooling structure, including lamp stand 5, lamp stand 5 is provided with solar-electricity Pond component 1, oscillating flow heat pipe radiator and LED lamp 4, the evaporator section of oscillating flow heat pipe radiator is located at the non-luminescent face of light fixture Side, and between high power concentrator device in light fixture and solar cell battery component 1, the steaming of oscillating flow heat pipe radiator The distance for sending out segment distance light fixture is less than distance of the condensation segment apart from solar cell module 1.
Such Solar lamp, can be realized to light fixture and solar-electricity using the evaporator section of oscillating flow heat pipe radiator Radiated while the component of pond, oscillating flow heat pipe radiator can be horizontally disposed with can also be obliquely installed, evaporator section is located at solar energy Battery component high power concentrator device lower section, the position that condensation segment 2 is set preferably may be located remotely from the segment distance of high power concentrator device one, lead to Cross air-cooled mode to be cooled down, separated by dividing plate 10 between evaporator section and condensation segment 2, as shown in Figure 2.
The evaporator section etched inside of the oscillating flow heat pipe radiator is formed with multiple U-shaped microflutes, the oscillating flow heat pipe The evaporator section of radiator is prepared by high heat conduction section bar material, can so be further speeded up evaporator section and be absorbed the heat that light fixture is distributed, and is The shape in the non-luminescent face of laminating light fixture, the shape of evaporator section is preferably identical with light fixture non-luminescent face shape.
Multiple capillaries, the mouth of pipe and evaporator section of each capillary are provided with the condensation segment of the oscillating flow heat pipe radiator Capillary and the mutual UNICOM of evaporator section are realized after welding, such setting can make full use of space, improve radiating efficiency.
The liquid filled ratio of fluid media (medium) is 30%~60% in the oscillating flow heat pipe radiator.
Additionally, the solar cell module is obliquely installed relative to described lamp stand 5, inclined angle is at 45 °~70 ° Between, when solar cell module 1 is set in this angular range, can both ensure that solar energy was converted into the effect of electric energy Rate, can improve the efficiency of radiating again.
In order to prevent in rainy weather, the possibility that rainwater is invaded solar panels is provided with the top of the lamp stand Telescopic Motorized blind bar 8, be provided with sunshading board 9 at the top of sunshade bar, and the sunshading board 9 is shaped as half flabellum shape, Sunshading board 9 is placed on the outside of sunshade bar 8, and the bottom of Motorized blind bar 8 is provided with electric rotating machine, as shown in Figure 3 and Figure 4, normal condition Under, Motorized blind is dry to be contracted in the top of lamp stand 5, and the part of sunshading board is the outside for being exposed to lamp stand 5.
Charging-discharging controller and the control being connected respectively with the Motorized blind bar, electric rotating machine are set on the lamp stand Switch, charging-discharging controller 6 is connected with solar cell module 1, sets moisture detection sensor on the lamp stand 5, the biography Sensor is connected with single-lamp controller, and single-lamp controller is Programmable Logic Controller, and single-lamp controller is connected with controlling switch, discharge and recharge The setting of controller, can select to charge solar cell module as the case may be, when extending the illumination of Solar lamp Between, such case is primarily adapted for use in the shorter place of winter sunshine and rainy weather, because the street lamp in many places sets equal Be proximate to family, thus charge be also conveniently, when moisture detection sensor is detected ambient humidity is relatively low when, can send out The number of delivering letters gives single-lamp controller, is raised above by single-lamp controller control electric lifting rod, and control sunshading board to rotate setting Position where solar panel is covered after angle, effectively prevent influence of the rainwater to the battery component life-span, when humidity inspection When survey sensor detects that ambient humidity is in normal setting range, control sunshading board rotation is retracted, and controls electric expansion bar Retract.
Single street lamp uses intellectual single light controller 7, by carrier communication module, detection measuring circuit, manual operations switch Constituted with power supply.By 0-10V power supplys or PWM dimming interfaces in LED street lamp, intelligent dimming Energy Saving Control, control are capable of achieving Module is carried out data transmission using ZIGBEE signals, the corresponding gateway device (Centralized Controller) of cooperation, is capable of achieving backstage net There is upper report in time after exception in management of the pipe software to single lamp, the working condition of controller automatic detection list lamp, street lamp work It is alert, the information of road lamp system can be accurate to each lamp.
Single-lamp controller is connected with tele-control system, using advanced power-line carrier communication, realizes daily certainly Dynamic switching is electrically operated, and according to the illumination of weather condition and actual light, (this part can artificially judge or far tele-control system Process control system is connected with weather forecast system) control the brightness of the ON/OFF and light fixture of light fixture, such as normal summer, morning five 6 points days are just bright, if if street lamp, this can not pressed down also, can there is a problem of wasting power supply, therefore, by remote control System realizes the regulation to lamp brightness or switch according to intensity of illumination, there is larger help to energy saving;Additionally, the same day At candlelight waits and have big rainfall for gas forecast forecasting weather, and at this moment dark to arrive ahead of time surely, tele-control system control street lamp is carried It is early to open, effectively help passerby's walking.
The tele-control system of the street lamp is made up of following part:Centralized Controller, Surveillance center.Single-lamp controller can be interior Putting in light fixture (modular) also can be in built-in lamp stand (external hanging type), and the major function that it is realized has:Control road lamp switch, control are opened Pass, temperature acquisition, humidity collection, brightness collection, calculating current voltage power and power factor etc., the realization master of these functions If being measured by Temperature Humidity Sensor, optical sensor;Centralized Controller is in Surveillance center and each single-lamp controller Centre, upwardly through the modes such as Ethernet, telephone network/GSM, GPRS, 485 buses, RS232 with Surveillance center communicate, downwards It is then, by low-tension network, with power line carrier as communication modes, to be communicated with each street lamp single-lamp controller, major function Have:The adjustment of street lamp sequential, data record, alert process and transmission.It is responsible for the operation of controlling network, by the order of Surveillance center Single-lamp controller is assigned to, by controller and line information feedback Surveillance center;Surveillance center is mainly realized by monitoring software Remote data access and control, including parameter configuration are carried out to the Centralized Controller under different transformers, control command sends, shows Field light fixture state collection etc..
Embodiment 2
A kind of method to solar energy lamp radiating, using oscillating flow heat pipe radiator on lamp stand, oscillating flow heat pipe The evaporator section of radiator is located at the side in the non-luminescent face of light fixture, and the high power in light fixture and solar cell battery component Between concentrator, the evaporator section of oscillating flow heat pipe radiator is less than condensation segment apart from solar cell module apart from the distance of light fixture Distance.
Presently preferred embodiments of the present invention is the foregoing is only, is not whole embodiments of the invention, be not used to limit The system present invention, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in Within protection scope of the present invention.
In addition to technical characteristic described in specification, remaining technical characteristic is technology known to those skilled in the art, in order to prominent Go out innovative characteristicses of the invention, above-mentioned technical characteristic will not be repeated here.

Claims (4)

1. a kind of Solar lamp with hot pipe cooling structure, it is characterised in that including lamp stand, lamp stand is provided with solar battery group Part, oscillating flow heat pipe radiator and light fixture, the evaporator section of oscillating flow heat pipe radiator are located at the side in the non-luminescent face of light fixture, and And between high power concentrator device in light fixture and solar cell battery component, the evaporator section of oscillating flow heat pipe radiator is apart from lamp The distance of tool, apart from the distance of solar cell module, is separated between evaporator section and condensation segment less than condensation segment by dividing plate;Institute The evaporator section etched inside for stating oscillating flow heat pipe radiator is formed with multiple U types microflutes;The oscillating flow heat pipe radiator it is cold Multiple capillaries are provided with solidifying section, the mouth of pipe of each capillary realizes that capillary is mutually interconnected with evaporator section after being welded with evaporator section It is logical;Telescopic Motorized blind bar is provided with the top of the lamp stand, sunshading board, sunshade sleeve-board are provided with the top of sunshade bar In sunshade bar outside, the bottom of Motorized blind bar is provided with electric rotating machine;Sunshading board is obliquely installed relative to Motorized blind bar;
The control for setting charging-discharging controller on the lamp stand and being connected respectively with the Motorized blind bar, electric rotating machine is opened Close, charging-discharging controller is connected with solar cell module, moisture detection sensor be set on the lamp stand, the sensor and Single-lamp controller is connected, and single-lamp controller is connected with controlling switch;
The solar cell module is obliquely installed relative to described lamp stand, and inclined angle is between 45 ° ~ 70 °;
Single street lamp uses intellectual single light controller, and single-lamp controller is connected with tele-control system, tele-control system according to Weather condition controls the brightness of the ON/OFF and light fixture of light fixture, shape and the light fixture non-luminescent of evaporator section with the illumination of actual light Face shape is identical.
2. a kind of Solar lamp with hot pipe cooling structure according to claim 1, it is characterised in that the oscillatory flow heat The evaporator section of tube radiator is prepared by high heat conduction section bar material.
3. a kind of Solar lamp with hot pipe cooling structure according to claim 1, it is characterised in that the oscillatory flow heat The liquid filled ratio of fluid media (medium) is 30% ~ 60% in tube radiator.
4. a kind of Solar lamp with hot pipe cooling structure according to claim 1, it is characterised in that the sunshading board It is shaped as half flabellum shape.
CN201610463220.7A 2016-06-23 2016-06-23 A kind of Solar lamp with hot pipe cooling structure and method Active CN105972450B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610463220.7A CN105972450B (en) 2016-06-23 2016-06-23 A kind of Solar lamp with hot pipe cooling structure and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610463220.7A CN105972450B (en) 2016-06-23 2016-06-23 A kind of Solar lamp with hot pipe cooling structure and method

Publications (2)

Publication Number Publication Date
CN105972450A CN105972450A (en) 2016-09-28
CN105972450B true CN105972450B (en) 2017-06-16

Family

ID=57022686

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610463220.7A Active CN105972450B (en) 2016-06-23 2016-06-23 A kind of Solar lamp with hot pipe cooling structure and method

Country Status (1)

Country Link
CN (1) CN105972450B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106894408A (en) * 2017-02-13 2017-06-27 中圣科技(江苏)有限公司 A kind of efficient nano infrared energy-conserving low temperature hot-bar
CN107013874A (en) * 2017-05-18 2017-08-04 朱裕生 Heat radiation street lamp
CN107339677A (en) * 2017-08-01 2017-11-10 深圳市鹏诚新能源科技有限公司 Solar street light
CN107917385A (en) * 2017-10-13 2018-04-17 四川建筑职业技术学院 A kind of solar energy sensitive street lamp with thermosiphon cooling system
CN115236769A (en) * 2022-07-29 2022-10-25 内蒙古自治区气象信息中心(内蒙古自治区农牧业经济信息中心)(内蒙古自治区气象档案馆) High-performance meteorological information acquisition device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101867329A (en) * 2010-07-13 2010-10-20 山东天力干燥设备有限公司 Cooling system of high concentration solar generating battery assembly
CN201805369U (en) * 2010-07-13 2011-04-20 山东天力干燥设备有限公司 Cooling system for high-concentration solar power generation battery pack
CN103648213A (en) * 2013-12-04 2014-03-19 范宇 LED street lamp remote intelligent monitor system
CN203810262U (en) * 2014-04-15 2014-09-03 昆明理工大学 Multifunctional street lamp
CN205137322U (en) * 2015-11-10 2016-04-06 江苏菲利特照明电器有限公司 Solar street lamp

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104534384A (en) * 2014-10-31 2015-04-22 苏州朗米尔照明科技有限公司 Wind-solar hybrid intelligent advertisement street lamp and control method based on same
CN204829683U (en) * 2015-06-30 2015-12-02 光泉科技(南平)有限公司 Solar energy integration street lamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101867329A (en) * 2010-07-13 2010-10-20 山东天力干燥设备有限公司 Cooling system of high concentration solar generating battery assembly
CN201805369U (en) * 2010-07-13 2011-04-20 山东天力干燥设备有限公司 Cooling system for high-concentration solar power generation battery pack
CN103648213A (en) * 2013-12-04 2014-03-19 范宇 LED street lamp remote intelligent monitor system
CN203810262U (en) * 2014-04-15 2014-09-03 昆明理工大学 Multifunctional street lamp
CN205137322U (en) * 2015-11-10 2016-04-06 江苏菲利特照明电器有限公司 Solar street lamp

Also Published As

Publication number Publication date
CN105972450A (en) 2016-09-28

Similar Documents

Publication Publication Date Title
CN105972450B (en) A kind of Solar lamp with hot pipe cooling structure and method
CN202603009U (en) Internet of things LED streetlight energy saving control system
CN103471024B (en) LED light volt one intelligent road lamp system
CN101225936A (en) Solar streetlight
WO2020052341A1 (en) Led street light capable of automatically adjusting angle
CN206130830U (en) But solar Garden lights device of solar cell panel auto -tracing light
CN206247234U (en) A kind of LED street lamp with an automatic light meter based on solar panel
CN208634953U (en) A kind of lighting control of cities system
CN106764888A (en) A kind of intelligent road-lamp with solar film battery plate
CN205155819U (en) Solar energy LED street lamp of section regulation for a long time
CN205806959U (en) A kind of Solar lamp of band hot pipe cooling structure
CN206514222U (en) A kind of solar street light with system diagnostics function
CN110159991A (en) A kind of wisdom road lamp system of double wireless communications
CN111895342A (en) Adopt radiating wisdom street lamp of graphite alkene
CN207196359U (en) A kind of Novel LED street lamp
CN207124795U (en) A kind of smart city illumination management system based on multistage communication
CN113531463A (en) Energy-saving device and energy-saving method for LED street lamp
CN106122880A (en) A kind of energy-saving LED road lamp
CN208090560U (en) integrated super capacitor solar LED street lamp
CN207702351U (en) Energy-saving solar street lamp
CN206130847U (en) Shimmer solar energy multifunctional street lamp
CN210441100U (en) Energy-conserving LED street lamp with illumination intensity is adjustable
CN213810406U (en) Intelligent street lamp capable of automatically adjusting brightness
CN217004236U (en) Intelligent street lamp
CN203500979U (en) Intelligent tunnel road lamp

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant