CN101639188A - Solar white-light LED integrated illumination system - Google Patents
Solar white-light LED integrated illumination system Download PDFInfo
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- CN101639188A CN101639188A CN200810117526A CN200810117526A CN101639188A CN 101639188 A CN101639188 A CN 101639188A CN 200810117526 A CN200810117526 A CN 200810117526A CN 200810117526 A CN200810117526 A CN 200810117526A CN 101639188 A CN101639188 A CN 101639188A
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Abstract
The invention relates to a solar white-light LED integrated illumination system, which comprises a lithium ion battery, a white-light LED lamp, an environment sensor, a photovoltaic component, a battery charging controller and a system controller, wherein the photovoltaic component converts solar energy into direct current, and stores the direct current into the lithium ion battery through the battery charging controller; the lithium ion battery and the white-light LED lamp have the consistent work voltage of 3.6V, and a lithium ion battery pack and the LED lamp with different work voltages can be obtained through matched series and parallel structures, and work directly without a transformation system therebetween; and the system controller can turn on and turn off the LED lamp by judgingthe environment light intensity detected by the environment sensor. The integrated illumination system of the photovoltaic component, the white-light LED lamp and the lithium ion battery is formed bymechanical fastening, chemical bonding and direct growth of small devices.
Description
Technical field
The present invention relates to field of illumination systems, be specifically related to a kind of solar white-light LED integrated illumination system based on lithium ion battery and light emitting diode.
Background technology
The operating voltage of lithium-ions battery is 3.4～3.6 volts, (rated operational voltage white, blue, pure green LED is 3.0～3.6V to the operating voltage of light emitting diode (LED) in the national just semiconductor white-light illuminating of wideling popularize, red, yellow, yellowish green, orange is 1.8～2.4V, and rated current all is 10～20mA).Lithium ion battery has up to the conversion ratio that discharges and recharges more than 90%, has good performance advantage.And the LED illuminating lamp is a safer lighting source of ratio use high voltage source, is specially adapted to the public place; Consumed energy reduces 80% with the incandescent lamp of light efficiency, and each unit LEDs small pieces is squares of 3～5mm, thus can be prepared into the device of different shape, and be suitable for variable environment; LED lamp stability is high, and light decay is initial 50% after 100,000 hours; Response time is fast, and the response time of incandescent lamp is a Millisecond, and the response time of LED lamp is nanosecond, and is environmentally friendly.
Patent 200410057913.3 discloses a kind of supply unit, be based on LED and lithium ion battery the design, but lithium ion battery need boost or reduction voltage circuit is realized the work of LED, this process can be brought the increase and the energy loss of system cost, in addition, the battery of lithium ion is to charge by civil power.If utilize photovoltaic module to make solar LED (Light Emitting Diode) lamp, then whole illuminator becomes the system of a pure DC operation.Particularly select lithium-ion energy storage battery and lighting as required, make both operating voltage couplings, realize not having stepup transformer between lithium-ion energy storage battery and the lighting, the photovoltaic lighting system of no AC/DC changeover switch between photovoltaic module and the load, overall cost will descend, and system's conversion efficiency will be higher.In addition, with the solar illuminating system of existing lead-acid battery energy storage mutually specific volume reduce greatly, appearance of device is attractive in appearance, have that easy to use, temperature application range is wide, overlong service life, outstanding advantage such as energy-conservation, being fit to general illumination and emergency lighting uses, the physical efficiency metric density of considering lithium ion battery simultaneously is very high, and is therefore large-sized from net solar white-light illuminator than being easier to realize.
Summary of the invention
In view of the foregoing, the purpose of this invention is to provide solar white-light LED illuminator based on lithium ion battery and light emitting diode.
For achieving the above object, the invention provides solar white-light LED integrated illumination system, it is characterized in that, it comprises lithium ion battery, white LED lamp (light emitting diode), environmental sensor, photovoltaic module, battery charge controller, system controller.
The single-unit operating voltage of described lithium ion battery is 3.6V, also can be the connection in series-parallel of multiple batteries group, and the emphasis of design is to guarantee that the voltage of lithium ion battery is identical with the operating voltage of LED lamp, be used for storing the electric energy that photovoltaic module produces, simultaneously, when the environment deepening, power to white LED lamp; Described lithium ion battery comprises other all kinds lithium ion battery of full solid thin film battery, polymer battery and liquid electrolyte different materials system, as LiFePO
4Lithium ion battery for positive electrode.
The single operating voltage of described white LED lamp is 3.6V, and the LED lamp also can be the connection in series-parallel of a plurality of LED, and core work voltage is identical with the voltage of lithium ion battery group, need not through transformation can with the work of lithium ion battery coupling.
Described environmental sensor comprises that is used for an environmental information measured sensor, radiation intensity of the temperature of measurement environment, humidity and sunshine etc. constantly, and will measure numerical value and be sent to system controller.
Described photovoltaic module is mainly finished and is changed solar energy into direct current, comprises solar panel, anti-backflow device, bypass elements and installs and fixes accessory etc.; Described solar panel comes design size according to actual demand power, output voltage and output current, both can be the monolithic solar panel, also can be the connection in series-parallel of polylith solar panel, determine the specification of solar panel according to the power consumption information of load, the output of photovoltaic module and the power consumption of plan load are complementary.Solar panel in the photovoltaic module comprises that amorphous silicon battery, double junction non-crystal silicon microcrystal silicon battery, copper indium gallium tin CIGS battery, DSSC and other can be the assembly or the device of electric energy with conversion of solar energy.
Described battery charge controller comprises charging circuit, charging sample circuit, discharge sample circuit, accumulator voltage sample circuit, microprocessor, relay executive circuit and load control circuit etc.Can realize that to the charging of lithium ion battery control the electricity that photovoltaic module produced is stored in the battery, and the temperature that detects according to described environmental sensor compensates charging voltage and over-current over-voltage protection simultaneously.
Described system controller can be controlled the opening and closing of white LED lamp under different illumination conditions, and lithium ion battery is crossed and put protection.
Photovoltaic module, white LED lamp and lithium ion battery three can form an integrated illumination system by following three kinds of modes each other in the described system:
(a) mechanical fixation: by mechanical systems such as screw, clamp make the three or wherein any both be fixed together, become an organic whole.
(b) chemical adhesion: such as photovoltaic module of both sides one side bonding of lithium ion battery, opposite side bonding white LED lamp, it is as a whole that the three becomes.
(c) growth course: selecting glass is the solar panel of substrate, on the back-panel glass of solar cell, utilize various thin film growth process directly to prepare film lithium ion battery, directly be combined into an integral body by device preparing process with regard to this solar panel and lithium ion battery.
In a word, make photovoltaic module in the system, white LED lamp and lithium ion battery three form an incorporate illuminator.
Description of drawings
Fig. 1 is a system architecture schematic diagram of the present invention;
Fig. 2 is the integrated illumination schematic diagram of lithium ion battery and white light LEDs;
Among the figure, the 1-white light LEDs; The 2-lithium ion battery; The 3-explosion-proof valve.
Fig. 3 is the incorporate illuminator of polymer Li-ion battery, photovoltaic module and white light LEDs.
Among the figure, the 1-white light LEDs; The 2-polymer Li-ion battery; The 3-photovoltaic module; The 4-frame.
Wherein, Fig. 1 is a Figure of abstract.
The specific embodiment
Below only be preferred embodiment of the present invention, can not limit scope of the present invention with this.Promptly the equalization of being done according to the present patent application claim generally changes and modifies, and all should still belong in the scope that patent of the present invention contains.
Embodiment one
System architecture of the present invention as shown in Figure 1.The lithium ion battery of voltage 3.6V, white LED lamp are the street lamp of full parallel-connection structure, operating voltage 3.6V, and lithium ion battery and photovoltaic module are fixed on LED lamp holder top by support.Between photovoltaic module and the lithium ion battery charge controller is arranged, prevent overcharging of lithium ion battery.Between lithium ion battery and LED street lamp, have controller to link to each other, but controller itself does not boost and buck functionality.The basic function of controller comprises two parts, first can open and close automatically the LED lamp by the ambient brightness that environmental monitoring system obtains, and second portion is can control the charging of lithium ion battery and discharge process to prevent that lithium ion battery from overcharging and crossing to put and cause dangerous and battery life is decayed.
Embodiment two
But basic structure and principle are not fixed on LED lamp holder top by support as lithium ion battery as described in the embodiment one, but utilize the little characteristics of lithium ion battery energy density height, size with itself and the charge controller LED road lamp cap enclosure interior of packing into together, lithium ion battery directly is attached to the back side of light emitting diode, both scribble insulating heat-conductive silica gel at a contacted side, two parts are tightened to one, as shown in Figure 2.
Embodiment three
Basic structure and principle are as described in the embodiment one, but lithium ion battery is not fixed on LED lamp holder top by support separately, but having utilized ultra-thin polymer Li-ion battery, this polymer Li-ion battery and photovoltaic module use common frame fixing together.As shown in Figure 3.
Claims (10)
1. a solar white-light LED integrated illumination system is characterized in that, comprising: lithium ion battery, white LED lamp (light emitting diode), environmental sensor, photovoltaic module, battery charge controller, system controller.
2. solar white-light LED integrated illumination system according to claim 1, it is characterized in that, described photovoltaic module is finished and is changed solar energy into direct current, be by solar cell according to actual demand power, output voltage and the size of output current design or the connection in series-parallel of multicompartment, the output of photovoltaic module and plan load are complementary.
3. solar white-light LED integrated illumination system according to claim 1, it is characterized in that the solar panel in the photovoltaic module comprises that amorphous silicon battery, double junction non-crystal silicon microcrystal silicon battery, copper indium gallium tin CIGS battery, DSSC and other can be the assembly or the device of electric energy with conversion of solar energy.
4. solar white-light LED integrated illumination system according to claim 1 is characterized in that, described lithium ion battery comprises all kinds lithium ion battery of full solid thin film battery, polymer battery and liquid electrolyte different materials system.
5. solar white-light LED integrated illumination system according to claim 1, it is characterized in that, described lithium ion battery is single-unit or is the connection in series-parallel of multiple batteries group, core work voltage is identical with the voltage of LED lamp, be used for storing the electric energy that photovoltaic module produces, simultaneously, when the environment deepening, power to white LED lamp.
6. solar white-light LED integrated illumination system according to claim 1, it is characterized in that, described white LED lamp is single or is the connection in series-parallel of a plurality of LED, and core work voltage is identical with the voltage of lithium ion battery group, need not through transformation can with the work of lithium ion battery coupling.
7. solar white-light LED integrated illumination system according to claim 1 is characterized in that, the radiation intensity of described environmental sensor monitoring of environmental temperature, humidity and sunshine.
8. solar white-light LED integrated illumination system according to claim 1; it is characterized in that; described battery charge controller is mainly to the lithium ion battery control of charging; the electricity that photovoltaic module produced is stored in the battery, and the temperature that detects according to described environmental sensor compensates charging voltage and over-current over-voltage protection simultaneously.
9. solar white-light LED integrated illumination system according to claim 1 is characterized in that, described system controller can be controlled the opening and closing of white LED lamp under different illumination conditions, and lithium ion battery is crossed and put protection.
10. according to described any one solar white-light LED integrated illumination system of claim 1～9, it is characterized in that photovoltaic module, white LED lamp and lithium ion battery directly form an incorporate illuminator by mechanical fixation, chemical adhesion or growth course each other in the described system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810117526A CN101639188A (en) | 2008-08-01 | 2008-08-01 | Solar white-light LED integrated illumination system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810117526A CN101639188A (en) | 2008-08-01 | 2008-08-01 | Solar white-light LED integrated illumination system |
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| CN101639188A true CN101639188A (en) | 2010-02-03 |
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| CN200810117526A Pending CN101639188A (en) | 2008-08-01 | 2008-08-01 | Solar white-light LED integrated illumination system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818875A (en) * | 2010-04-14 | 2010-09-01 | 苏伟光能科技(太仓)有限公司 | Time-period control streetlamp |
| CN102588870A (en) * | 2011-12-21 | 2012-07-18 | 董卫国 | Sunlight guiding and lighting device |
| CN106253842A (en) * | 2016-09-07 | 2016-12-21 | 华南理工大学 | Photovoltaic cell connection in series-parallel automatic switch-over circuit and method |
| CN107426853A (en) * | 2017-05-08 | 2017-12-01 | 深圳源创智能照明有限公司 | A kind of the LED Solar Light circuit |
| CN108131634A (en) * | 2017-12-21 | 2018-06-08 | 天津宝坻紫荆科技有限公司 | A kind of integrated lithium ion solar LED street lamp |
| CN112178564A (en) * | 2020-10-15 | 2021-01-05 | 安徽普烁光电科技有限公司 | Wisdom street lamp based on solar photovoltaic power generation |
-
2008
- 2008-08-01 CN CN200810117526A patent/CN101639188A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818875A (en) * | 2010-04-14 | 2010-09-01 | 苏伟光能科技(太仓)有限公司 | Time-period control streetlamp |
| CN102588870A (en) * | 2011-12-21 | 2012-07-18 | 董卫国 | Sunlight guiding and lighting device |
| CN106253842A (en) * | 2016-09-07 | 2016-12-21 | 华南理工大学 | Photovoltaic cell connection in series-parallel automatic switch-over circuit and method |
| CN107426853A (en) * | 2017-05-08 | 2017-12-01 | 深圳源创智能照明有限公司 | A kind of the LED Solar Light circuit |
| CN108131634A (en) * | 2017-12-21 | 2018-06-08 | 天津宝坻紫荆科技有限公司 | A kind of integrated lithium ion solar LED street lamp |
| CN112178564A (en) * | 2020-10-15 | 2021-01-05 | 安徽普烁光电科技有限公司 | Wisdom street lamp based on solar photovoltaic power generation |
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Open date: 20100203 |