CN202857080U - Solar energy LED street lamp lighting system - Google Patents
Solar energy LED street lamp lighting system Download PDFInfo
- Publication number
- CN202857080U CN202857080U CN 201220536031 CN201220536031U CN202857080U CN 202857080 U CN202857080 U CN 202857080U CN 201220536031 CN201220536031 CN 201220536031 CN 201220536031 U CN201220536031 U CN 201220536031U CN 202857080 U CN202857080 U CN 202857080U
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- storage battery
- led
- constant current
- street lamp
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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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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a solar energy LED street lamp lighting system. The solar energy LED street lamp lighting system comprises a photovoltaic battery, a DC/DC conversion unit, a storage battery, an LED constant current driving unit, an LED unit and a controller unit, wherein a voltage output end of the photovoltaic battery is connected with a charging input end of the storage battery through the DC/DC conversion unit, 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 current output end of the LED constant current driving unit is connected with an input end of the LED unit, and the controller unit is used for controlling the LED constant current driving unit. According to the lighting system, the DC/DC conversion unit is added between the output end of the photovoltaic battery and the charging input end of the storage battery, so charging voltage of the storage battery is more stable, service life of the storage battery is greatly improved, cost of the solar energy LED street lamp lighting system is further greatly reduced.
Description
Technical field
The utility model relates to the solar lighting technical field, particularly a kind of 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 shorten the useful life of storage battery, caused the solar LED street lamp illuminator often need to change storage battery.
Summary of the invention
The purpose of this utility model is to provide a kind of solar LED street lamp illuminator, this illuminator has increased the DC/DC modular converter between the output of photovoltaic cell and charge in batteries input, thereby the charging voltage that has guaranteed storage battery is more stable, has greatly improved the useful life of storage battery.
In order to realize above purpose, the technical solution of the utility model is as follows:
The 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 the voltage output end of photovoltaic cell is by connecting the charging input end of storage battery after the DC/DC converting unit.
Described DC/DC converting unit comprises switching tube (Q1), filter inductance (L1), filter capacitor (C1) and resistance (R1); The input of switching tube and output are connected respectively the voltage output end of photovoltaic cell, conducting and the disconnection of controller unit control switch pipe; The input of one end connecting valve pipe (Q1) of filter inductance (L1), the other end connects an end of filter capacitor (C1), the output of the other end connecting valve pipe (Q1) of filter cake electric capacity (C1); The two ends of resistance (R1) are parallel to the two ends of filter capacitor (C1), and the two ends of resistance (R1) are as two outputs of DC/DC converting unit.
Described switching tube (Q1) adopts triode, and the collector electrode of triode is as input, and emitter is as output, and base stage is as control end.
Compared with prior art, the utility model has the advantage of: this illuminator has increased the DC/DC modular converter between the output of photovoltaic cell and charge in batteries input, thereby so that the charging voltage of storage battery is more stable, greatly improve the useful life of storage battery, further also greatly reduced the cost of solar LED street lamp illuminator.
Description of drawings
Fig. 1 is solar LED street lamp illuminator principle block diagram of the present utility model.
Fig. 2 is DC/DC conversion unit circuit principle schematic in the solar LED street lamp illuminator of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
With reference to Fig. 1 and Fig. 2: the solar LED street lamp illuminator, comprise photovoltaic cell, the DC/DC converting unit, storage battery, the LED constant current driving unit, LED unit and controller unit, the voltage output end of photovoltaic cell is by connecting the charging input end of storage battery after the DC/DC converting unit, 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, and described DC/DC converting unit comprises triode Q1, filter inductance L1, filter capacitor C1 and resistance R 1; The collector electrode of triode and emitter are connected respectively the voltage output end of photovoltaic cell, and controller unit is by conducting and the disconnection of the base stage control triode of triode; The collector electrode of the end connecting triode Q1 of filter inductance L1, the other end connects the end of filter capacitor C1, the emitter of the other end connecting triode Q1 of filter cake capacitor C 1; The two ends of resistance R 1 are parallel to the two ends of filter capacitor C1, and the two ends of resistance R 1 are as two outputs of DC/DC converting unit.
Claims (3)
1. 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 the voltage output end of photovoltaic cell is by connecting the charging input end of storage battery after the DC/DC converting unit.
2. solar LED street lamp illuminator according to claim 1 is characterized in that, described DC/DC converting unit comprises switching tube (Q1), filter inductance (L1), filter capacitor (C1) and resistance (R1); The input of switching tube and output are connected respectively the voltage output end of photovoltaic cell, conducting and the disconnection of controller unit control switch pipe; The input of one end connecting valve pipe (Q1) of filter inductance (L1), the other end connects an end of filter capacitor (C1), the output of the other end connecting valve pipe (Q1) of filter cake electric capacity (C1); The two ends of resistance (R1) are parallel to the two ends of filter capacitor (C1), and the two ends of resistance (R1) are as two outputs of DC/DC converting unit.
3. solar LED street lamp illuminator according to claim 2 is characterized in that, described switching tube (Q1) adopts triode, and the collector electrode of triode is as input, and emitter is as output, and base stage is as control end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220536031 CN202857080U (en) | 2012-10-19 | 2012-10-19 | Solar energy LED street lamp lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220536031 CN202857080U (en) | 2012-10-19 | 2012-10-19 | Solar energy LED street lamp lighting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202857080U true CN202857080U (en) | 2013-04-03 |
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ID=47988221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220536031 Expired - Lifetime CN202857080U (en) | 2012-10-19 | 2012-10-19 | Solar energy LED street lamp lighting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202857080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105307330A (en) * | 2015-10-27 | 2016-02-03 | 赵晓玲 | LED lighting control system on the basis of solar energy charging |
-
2012
- 2012-10-19 CN CN 201220536031 patent/CN202857080U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105307330A (en) * | 2015-10-27 | 2016-02-03 | 赵晓玲 | LED lighting control system on the basis of solar energy charging |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |