CN201866679U - Solar LED (light-emitting diode) street lamp circuit - Google Patents
Solar LED (light-emitting diode) street lamp circuit Download PDFInfo
- Publication number
- CN201866679U CN201866679U CN2010202690954U CN201020269095U CN201866679U CN 201866679 U CN201866679 U CN 201866679U CN 2010202690954 U CN2010202690954 U CN 2010202690954U CN 201020269095 U CN201020269095 U CN 201020269095U CN 201866679 U CN201866679 U CN 201866679U
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- super capacitor
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- diode
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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
Abstract
The utility model discloses a solar LED (light-emitting diode) street lamp circuit which comprises a solar battery, an LED load, a charging circuit, a super capacitor, a switching-on signal circuit and an LED driving circuit, wherein the solar battery is connected with the charging circuit, the charging circuit is connected with the super capacitor, the super capacitor and the switching-on signal circuit are connected with the LED driving circuit, and the LED driving circuit is connected with the LED load; the solar battery can convert solar energy into electric energy which can be stored in the super capacitor through the charging circuit, the electric energy in the super capacitor can provide electricity for the LED load through the LED driving circuit so as to emit light, and the switching-on signal circuit can drive the LED driving circuit to start working. The solar LED street lamp circuit replaces a storage battery with the super capacitor, so that environmental pollution is reduced. The circulating service life of the super capacitor can reach 500,000 times at most; as an over-charging protection circuit or an over-discharging protection circuit is not needed, the cost of a solar LED street lamp is reduced and the service life is prolonged.
Description
Technical field
The utility model relates to a kind of solar LED street lamp circuit, relates in particular to the solar LED street lamp circuit that a kind of super capacitor is made energy-storage travelling wave tube, belongs to the LED lighting technical field.
Background technology
The street lamp that is used for night illumination is a kind of important communal facility, resident's driving safety and facility have been ensured, the street lamp One's name is legion, distribute wide, one-time investment is bigger, the street lighting time is long, consumed power is huge, and for investment energy-conservation and the minimizing power wiring, people begin one's study and use solar energy to give street lamp power supply, road lamp power supply.Solar energy is a kind of new forms of energy of cleanliness without any pollution, and transform light energy is become electric energy, but street lamp is generally in night work, and therefore the power storage that solar cell need be transformed is by day got up for street lamp use at night.Existing solar street light device uses battery as energy-storage travelling wave tube, and is well-known, comprises mercury, lead, cadmium multiple harmful substances in the battery.Old and useless battery is huge to the harm of natural environment.And battery protection is taken effective measures to cause easily to overcharge or cross and is put, and influences service life.
Super capacitor, or be called electrochemical double layer electric capacity (EDLC), compare with electrochemical capacitor, have the very high power density and the energy density of essence.Super capacitor is a kind of passive device, between battery and common electric capacity, has the big electric current fast charging and discharging characteristic of electric capacity, simultaneously according to application need, the velocity of discharge of super capacitor can be very fast also can be very slow.(ESR) is very little for the equivalent series resistance of super capacitor, can provide and absorb very large electric current, need not it is overcharged or put excessively protection.Super capacitor adopts the carrier mechanism of " mechanical type " rather than chemical charge, thereby have long and predictable service life (periodic duty life-span 1～500,000 time), and As time goes on, its performance variation is also littler, super capacitor is that a kind of very promising energy storage/release can device, and therefore super capacitor being applied in the solar street light device is a problem that is worth research.
The utility model content
The purpose of this utility model is to provide a kind of solar LED street lamp circuit, with the energy storage device replacement battery of super capacitor as the solar street light device, to reduce the pollution to environment.
The purpose of this utility model is achieved by the following technical programs:
A kind of solar LED street lamp circuit, comprise solar cell 1, LED load 6, also comprise charging circuit 2, super capacitor 3, start signal circuit 4, led drive circuit 5, described solar cell 1 is connected with charging circuit 2, charging circuit 2 is connected with super capacitor 3, super capacitor 3, start signal circuit 4 is connected with led drive circuit 5, led drive circuit 5 is connected with LED load 6, described solar cell 1 is converted to electric energy with solar energy, be stored in super capacitor 3 through charging circuit 2, electric energy is given LED load 6 power supply light emittings through led drive circuit 5 in the super capacitor 3, and described start signal circuit 4 starts led drive circuit 5 work.
The purpose of this utility model can also further realize by following technical measures:
Aforementioned a kind of solar LED street lamp circuit, wherein charging circuit 2 is diode D1, described led drive circuit 5 comprises inductance L, diode D2, capacitor C 2, resistance R, boost-voltage regulator U1, the model of boost-voltage regulator U1 is BL8530, the anode of described diode D1 is connected with the positive pole of solar cell 1, one end of described super capacitor 3 is connected with the negative electrode of diode D1, the other end is connected with the negative pole of solar cell 1, one end of described inductance L is connected in the negative electrode of diode D1, the other end is connected to the Lx end of boost-voltage regulator U1, the anode of diode D2, the anode of LED load 6, the negative electrode of described diode D2 is connected in the V of boost-voltage regulator U1
OUTEnd, the negative electrode of described LED load 6 is connected in the negative pole of solar cell 1 after resistance R, one end of described capacitor C 2 is connected in the negative electrode of diode D2, the other end is connected in the negative electrode of LED load 6, the GND end of described boost-voltage regulator U1 is connected in the negative pole of solar cell 1, and the CE end of boost-voltage regulator U1 connects start signal.
Compared with prior art; the beneficial effects of the utility model are: with the energy storage device replacement battery of super capacitor as the solar LED street lamp device; reduced pollution to environment; the super capacitor periodic duty life-span reaches as high as 500,000 times; and do not need to overcharge or over-discharge protection circuit; reduce the cost of solar LED street lamp, prolonged service life.
Description of drawings
Fig. 1 is a circuit structure diagram of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the utility model comprises solar cell 1, charging circuit 2, super capacitor 3, start signal circuit 4, led drive circuit 5, LED load 6, wherein charging circuit 2 is diode D1, described led drive circuit 5 comprises inductance L, diode D2, capacitor C 2, resistance R, boost-voltage regulator U1, the model of boost-voltage regulator U1 is BL8530, the anode of described diode D1 is connected with the positive pole of solar cell 1, one end of described super capacitor 3 is connected with the negative electrode of diode D1, the other end is connected with the negative pole of solar cell 1, one end of described inductance L is connected in the negative electrode of diode D1, the other end is connected to the Lx end of boost-voltage regulator U1, the anode of diode D2, the anode of LED load 6, the negative electrode of described diode D2 is connected in the V of boost-voltage regulator U1
OUTEnd, the negative electrode of described LED load 6 is connected in the negative pole of solar cell 1 after resistance R, one end of described capacitor C 2 is connected in the negative electrode of diode D2, the other end is connected in the negative electrode of LED load 6, the GND end of described boost-voltage regulator U1 is connected in the negative pole of solar cell 1, and the CE end of boost-voltage regulator U1 connects start signal.Described boost-voltage regulator BL8530, it is pulse frequency modulated DC-DC voltage boosting voltage-stablizer, this boost-voltage regulator IC built-in power transistor, need not to increase power transistor and carry out the electric current amplification at peripheral circuit, described boost-voltage regulator IC cooperates devices such as peripheral inductance L, diode D2, capacitor C 2, resistance R, constant current is carried out in LED load 6 driven, guaranteed luminous efficiency and the brightness of LED.The CE end is the opening end of boost-voltage regulator BL8530, and this end adds the start signal of high level, and boost-voltage regulator is with regard to driving LED work, luminous lighting.In actual applications, start signal can be an optically-controlled signal, or timing controling signal.Because this device has adopted the pulsed drive mode, so this circuit to the coherence request reduction of the forward conduction voltage drop of the LED of parallel connection use, can directly drive the same model LED of a plurality of parallel connections, need be at each LED loop serial connection flows resistance.
In addition to the implementation, the utility model can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (2)
1. solar LED street lamp circuit, comprise solar cell (1), LED load (6), it is characterized in that, also comprise charging circuit (2), super capacitor (3), start signal circuit (4), led drive circuit (5), described solar cell (1) is connected with charging circuit (2), charging circuit (2) is connected with super capacitor (3), super capacitor (3), start signal circuit (4) is connected with led drive circuit (5), led drive circuit (5) is connected with LED load (6), described solar cell (1) is converted to electric energy with solar energy, be stored in super capacitor (3) through charging circuit (2), electric energy is given LED load (6) power supply light emitting through led drive circuit (5) in the super capacitor (3), and described start signal circuit (4) is used to start led drive circuit (5) work.
2. a kind of solar LED street lamp circuit as claimed in claim 1, it is characterized in that, described charging circuit (2) is diode D1, described led drive circuit (5) comprises inductance L, diode D2, capacitor C 2, resistance R, boost-voltage regulator U1, the model of boost-voltage regulator U1 is BL8530, the anode of described diode D1 is connected with the positive pole of solar cell (1), one end of described super capacitor (3) is connected with the negative electrode of diode D1, the other end is connected with the negative pole of solar cell (1), one end of described inductance L is connected in the negative electrode of diode D1, the other end is connected to the Lx end of boost-voltage regulator U1, the anode of diode D2, the anode of LED load (6), the negative electrode of described diode D2 is connected in the V of boost-voltage regulator U1
OUTEnd, the negative electrode of described LED load (6) is connected in the negative pole of solar cell (1) after resistance R, one end of described capacitor C 2 is connected in the negative electrode of diode D2, the other end is connected in the negative electrode of LED load (6), the GND end of described boost-voltage regulator U1 is connected in the negative pole of solar cell (1), and the CE end of boost-voltage regulator U1 connects start signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202690954U CN201866679U (en) | 2010-07-23 | 2010-07-23 | Solar LED (light-emitting diode) street lamp circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202690954U CN201866679U (en) | 2010-07-23 | 2010-07-23 | Solar LED (light-emitting diode) street lamp circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201866679U true CN201866679U (en) | 2011-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202690954U Expired - Fee Related CN201866679U (en) | 2010-07-23 | 2010-07-23 | Solar LED (light-emitting diode) street lamp circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201866679U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102347639A (en) * | 2011-08-12 | 2012-02-08 | 吴江多艺纺织有限公司 | Solar road lamp energy-storage system |
| CN103391658A (en) * | 2012-05-11 | 2013-11-13 | 四川优的科技有限公司 | Solar lawn lamp system |
| CN103391657A (en) * | 2012-05-11 | 2013-11-13 | 四川优的科技有限公司 | Solar lawn lamp system based on DC/DC boosting voltage stabilizer |
| CN109000812A (en) * | 2018-08-01 | 2018-12-14 | 毛琦 | A kind of energy-saving passive and wireless temperature spot control sensor |
-
2010
- 2010-07-23 CN CN2010202690954U patent/CN201866679U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102347639A (en) * | 2011-08-12 | 2012-02-08 | 吴江多艺纺织有限公司 | Solar road lamp energy-storage system |
| CN103391658A (en) * | 2012-05-11 | 2013-11-13 | 四川优的科技有限公司 | Solar lawn lamp system |
| CN103391657A (en) * | 2012-05-11 | 2013-11-13 | 四川优的科技有限公司 | Solar lawn lamp system based on DC/DC boosting voltage stabilizer |
| CN109000812A (en) * | 2018-08-01 | 2018-12-14 | 毛琦 | A kind of energy-saving passive and wireless temperature spot control sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHAO LIN Free format text: FORMER OWNER: ZHENJIANG YUANRUN ELECTRONICS CO., LTD. Effective date: 20140915 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140915 Address after: 212000 Zhenjiang City, Jiangsu province Jiefang Road Jingkou District No. 19 Building 7 Room 201 Patentee after: Shao Lin Address before: 212000 Zhenjiang city of Jiangsu province Dingmao bridge Guyang Village Building 16 floor Patentee before: Zhenjiang City Yuanrun Electronics Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160918 Address after: 212000 Zhenjiang City, Jiangsu province Zhenjiang science and Technology Park Xing Ze Lu Huagang Science Park No. 12, No. 1 Patentee after: Zhenjiang City Yuanrun Electronics Co., Ltd. Address before: 212000 Zhenjiang City, Jiangsu province Jiefang Road Jingkou District No. 19 Building 7 Room 201 Patentee before: Shao Lin |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20170723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |