CN202857082U - High efficiency intelligent type solar energy LED street lamp lighting system - Google Patents
High efficiency intelligent type solar energy LED street lamp lighting system Download PDFInfo
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- CN202857082U CN202857082U CN2012205364405U CN201220536440U CN202857082U CN 202857082 U CN202857082 U CN 202857082U CN 2012205364405 U CN2012205364405 U CN 2012205364405U CN 201220536440 U CN201220536440 U CN 201220536440U CN 202857082 U CN202857082 U CN 202857082U
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- current driving
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- 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
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Abstract
The utility model discloses a high efficiency intelligent type solar energy LED street lamp lighting system. The high efficiency intelligent type solar energy LED street lamp lighting system comprises a photovoltaic battery, a storage battery, an LED constant current driving unit, an LED unit and a controller unit and is characterized by further comprising a voltage stabilization unit and a temperature sensor, wherein a voltage output end of the photovoltaic battery is connected with a charging input end of the storage battery, a voltage output end of the storage battery is connected with a power supply input end of the LED constant current driving unit, a constant output end of the LED constant current driving unit is connected with an input end of the LED unit, the controller unit is used for controlling the LED constant current driving unit, the voltage output end of the photovoltaic battery is connected with the charging input end of the storage battery after through the voltage stabilization unit, and the controller unit adjusts driving current of the LED constant current driving unit according to temperature change of the temperature sensor. The lighting system greatly improves service life of the storage battery as well as service life of the LED.
Description
Technical field
The utility model relates to the solar lighting technical field, particularly a kind of efficient intelligent type solar LED street lamp illuminator.
Background technology
Solar energy is as a kind of regenerative resource of cleaning, have use not to the utmost, inexhaustible advantage, solar energy generation technology is applied on road and the Landscape Lighting not only safety, energy-saving and environmental protection, and avoided the long-distance laying of power cable.Led light source is as a kind of new type light source, but have the good characteristics such as volume is little, vibration resistance, fast response time, long low-voltage driving of life-span, safety and stability, the traditional lighting light source will substituted in 2l century, and the combination of itself and solar energy lamp will be inexorable trend.
The solar LED street lamp illuminator is exactly to utilize the photovoltaic effect of solar cell, and be directly changed into power storage in storage battery with solar energy daytime, and supply with LED street lamp by storage battery evening, is used for night illumination.
Because the variation of weather and sunlight angle is different, solar light irradiation intensity is also different, so the voltage of photovoltaic cell output is very unstable, and the direct voltage of photovoltaic cell output directly charges a battery, greatly shortened the useful life of storage battery, cause the solar LED street lamp illuminator often need to change storage battery, existing LED street lamp illumination system LED drive current is unstable, causes the LED life-span very short.
Summary of the invention
The purpose of this utility model is to provide a kind of efficient intelligent type solar LED street lamp illuminator, this illuminator has increased voltage regulation unit between the output of photovoltaic cell and charge in batteries input, thereby the charging voltage that has guaranteed storage battery is more stable, greatly improved the useful life of storage battery, controller changes the drive current of adjusting LED according to the temperature sensor detected temperatures, has greatly prolonged the life-span of LED.
In order to realize above purpose, the technical solution of the utility model is as follows:
Efficient intelligent type solar LED street lamp illuminator, comprise photovoltaic cell, storage battery, LED constant current driving unit, LED unit and controller unit, the voltage output end of photovoltaic cell connects the charging input end of storage battery, the voltage output end of storage battery connects the power input of LED constant current driving unit, the constant current output end of LED constant current driving unit connects the input of LED unit, controller unit is used for control LED constant current driving unit, it is characterized in that, also comprise voltage regulation unit and temperature sensor; The voltage output end of photovoltaic cell is by connecting the charging input end of storage battery behind the voltage regulation unit; Controller unit is adjusted the drive current of LED constant current driving unit according to the variations in temperature of temperature sensor.
More excellent scheme, described voltage regulation unit adopt voltage stabilizing didoe to realize.
Preferred plan, described voltage regulation unit comprise voltage stabilizing chip 7805, capacitor C 1, C2; The two ends of capacitor C 1 connect respectively 7805 two inputs, and capacitor C 2 two ends connect respectively 7805 two outputs; The two ends of capacitor C 1 also connect the voltage output end of photovoltaic cell, and the two ends of capacitor C 2 also are used for connecting the charging input end of storage battery.
More excellent scheme, described temperature sensor adopts the 18B20 chip.
Compared with prior art, the utility model has the advantage of: this illuminator has increased voltage regulation unit between the output of photovoltaic cell and charge in batteries input, thereby the charging voltage that has guaranteed storage battery is more stable, greatly improved the useful life of storage battery, controller changes the drive current of adjusting LED according to the temperature sensor detected temperatures, greatly prolong the life-span of LED, also greatly reduced the cost of solar LED street lamp illuminator.
Description of drawings
Fig. 1 is principle block diagram of the present utility model.
Fig. 2 is voltage regulation unit circuit theory schematic diagram in the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Efficient intelligent type solar LED street lamp illuminator, comprise photovoltaic cell, storage battery, LED constant current driving unit, LED unit and controller unit, the voltage output end of photovoltaic cell connects the charging input end of storage battery, the voltage output end of storage battery connects the power input of LED constant current driving unit, the constant current output end of LED constant current driving unit connects the input of LED unit, controller unit is used for control LED constant current driving unit, also comprises voltage regulation unit and temperature sensor; The voltage output end of photovoltaic cell is by connecting the charging input end of storage battery behind the voltage regulation unit; Controller unit is adjusted the drive current of LED constant current driving unit according to the variations in temperature of temperature sensor.
Wherein, described voltage regulation unit comprises voltage stabilizing chip 7805, capacitor C 1, C2; The two ends of capacitor C 1 connect respectively 7805 two inputs, and capacitor C 2 two ends connect respectively 7805 two outputs; The two ends of capacitor C 1 also connect the voltage output end of photovoltaic cell, and the two ends of capacitor C 2 also are used for connecting the charging input end of storage battery.Described temperature sensor adopts the 18B20 chip.
Claims (4)
1. efficient intelligent type solar LED street lamp illuminator, comprise photovoltaic cell, storage battery, LED constant current driving unit, LED unit and controller unit, the voltage output end of photovoltaic cell connects the charging input end of storage battery, the voltage output end of storage battery connects the power input of LED constant current driving unit, the constant current output end of LED constant current driving unit connects the input of LED unit, controller unit is used for control LED constant current driving unit, it is characterized in that, also comprise voltage regulation unit and temperature sensor; The voltage output end of photovoltaic cell is by connecting the charging input end of storage battery behind the voltage regulation unit; Controller unit is adjusted the drive current of LED constant current driving unit according to the variations in temperature of temperature sensor.
2. efficient intelligent type solar LED street lamp illuminator according to claim 1 is characterized in that, described voltage regulation unit adopts voltage stabilizing didoe to realize.
3. efficient intelligent type solar LED street lamp illuminator according to claim 1 is characterized in that, described voltage regulation unit comprises voltage stabilizing chip 7805, capacitor C 1, C2; The two ends of capacitor C 1 connect respectively 7805 two inputs, and capacitor C 2 two ends connect respectively 7805 two outputs; The two ends of capacitor C 1 also connect the voltage output end of photovoltaic cell, and the two ends of capacitor C 2 also connect the charging input end of storage battery.
4. efficient intelligent type solar LED street lamp illuminator according to claim 1 is characterized in that, described temperature sensor adopts the 18B20 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205364405U CN202857082U (en) | 2012-10-19 | 2012-10-19 | High efficiency intelligent type solar energy LED street lamp lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205364405U CN202857082U (en) | 2012-10-19 | 2012-10-19 | High efficiency intelligent type solar energy LED street lamp lighting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202857082U true CN202857082U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205364405U Expired - Lifetime CN202857082U (en) | 2012-10-19 | 2012-10-19 | High efficiency intelligent type solar energy LED street lamp lighting system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202857082U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104066258A (en) * | 2014-07-15 | 2014-09-24 | 大连交通大学 | A LED lighting dimming control system based on PWM |
| CN108063485A (en) * | 2018-01-11 | 2018-05-22 | 广东小天才科技有限公司 | Watch, mobile power supply device and watch assembly with mobile power supply device |
-
2012
- 2012-10-19 CN CN2012205364405U patent/CN202857082U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104066258A (en) * | 2014-07-15 | 2014-09-24 | 大连交通大学 | A LED lighting dimming control system based on PWM |
| CN108063485A (en) * | 2018-01-11 | 2018-05-22 | 广东小天才科技有限公司 | Watch, mobile power supply device and watch assembly with mobile power supply device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |
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| CX01 | Expiry of patent term |