CN202587515U - High-efficient solar LED street lamp power supply having automatic dimming function - Google Patents
High-efficient solar LED street lamp power supply having automatic dimming function Download PDFInfo
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- CN202587515U CN202587515U CN2012201926761U CN201220192676U CN202587515U CN 202587515 U CN202587515 U CN 202587515U CN 2012201926761 U CN2012201926761 U CN 2012201926761U CN 201220192676 U CN201220192676 U CN 201220192676U CN 202587515 U CN202587515 U CN 202587515U
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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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Abstract
The utility model discloses a high-efficient solar LED street lamp power supply having the automatic dimming function. The solar LED street lamp power supply comprises an input reverse connection prevention circuit, a 5V voltage stabilizing circuit, a single chip microcomputer control circuit, and a BOOST booster circuit. The output of the input reverse connection prevention circuit is divided into two routes, wherein one route is connected to the 5V voltage stabilizing circuit, and the other route is connected to the BOOST booster circuit. The output end of the 5V voltage stabilizing circuit is connected to the single chip microcomputer control circuit. The output of the single chip microcomputer control circuit is connected to the input end of the BOOST booster circuit. The BOOST booster circuit is connected with a load solar LED street lamp for outputting the operating voltage required by the solar LED street lamp and realizing a constant current function, and the BOOST booster circuit can be used for receiving the PWM dimming signal outputted from the single chip microcomputer control circuit and lowering the brightness of the solar LED street lamp according to a set program. According to the utility model, the inductance type BOOST booster constant-current special DC-DC module circuit is adopted, the overall power consumption is reduced, the efficiency can reach to 95%, a single chip microcomputer is taken as the control circuit, through the timing method and the PWM dimming method, the brightness time period of the solar LED street lamp is controlled to cause the brightness of the solar LED street lamp is adjusted automatically according to the time period, so the energy consumption of the solar LED street lamp of the utility model is reduced by more than 30% compared with an ordinary solar street lamp, so that the system cost is reduced.
Description
Technical field
The utility model relates to the lighting control technique field, particularly a kind of high-efficiency solar LED road lamp power supply with an automatic light meter.
Background technology
Solar LED street lamp is the energy with the sunlight, and batteries to store energy is a light source with the LED lamp, and use charge daytime in evening, and it is reliable to need not the manual operation working stability, and energy saving is non-maintaining.LED is because self characteristics; Must carry out constant current or current limliting to it through technological means, otherwise can't normally use, common solar LED street lamp all is to realize the constant current to the LED lamp through in lamp holder, adding a driving power in addition; Current constant mode generally adopts transformer boost constant current again or inductance BUCK step-down constant current again; But these two kinds of type of drive efficient are not high, and driving power accounts for about the 10%-20% of whole lamp gross power, such as the LED lamp of a theoretical value 42W; Add that driving back actual power maybe be about 46-50W; In counting cell power output plate and battery capacity, must add 10%-20% and satisfy the power consumption that driving is caused, increased system cost.In addition; Existing solar LED street lamp power supply all is the light-operated open and close modulating signal of accepting controller for solar of passive type; It shiny black lamp, daybreak turns off the light, even when such pattern does not have vehicle, pedestrian to the time after midnight on the road; Lamp also always total power reach daybreak, cause unnecessary energy waste.
Summary of the invention
The purpose of the utility model is to provide a kind of high-efficiency solar LED road lamp power supply with an automatic light meter; It can solve prior art and have the big problem of solar LED street lamp power supply power consumption; And can make the solar LED street lamp power supply with an automatic light meter, and reduce brightness automatically to the time after midnight, realize secondary energy-saving.
The utility model is realized through following technical scheme: high-efficiency solar LED road lamp power supply with an automatic light meter comprises input reverse-connection preventing circuit, 5V voltage stabilizing circuit, single chip machine controlling circuit and BOOST booster circuit.Controller for solar output ground DC24V (or DC12V) power supply is received the input reverse-connection preventing circuit; The effect of input reverse-connection preventing circuit is: the both positive and negative polarity of wrong power supply when preventing user installation; If power positive cathode connects instead then circuit and does not work; Can't burn out any components and parts, play the effect of protection late-class circuit.The output of input reverse-connection preventing circuit is divided into two-way, and one the tunnel receives the 5V voltage stabilizing circuit, and the BOOST booster circuit is received on another road.The output of 5V voltage stabilizing circuit is received single chip machine controlling circuit; For single chip machine controlling circuit provides reliablely and stablely operating voltage; Single chip machine controlling circuit is responsible for regularly and output PWM dim signal, and the output of single chip machine controlling circuit connects the input of BOOST booster circuit.The BOOST booster circuit connects the load solar LED street lamp, the required operating voltage of output solar LED street lamp, and possess the constant current function, and can accept single chip machine controlling circuit output ground PWM dim signal, press the brightness that setting program reduces solar LED street lamp.
Above-mentioned single chip machine controlling circuit energising beginning regularly, timing 4 or 5 hours are optional, set through switch; Regularly finish back output PWM dim signal, light modulating frequency is 150HZ, output duty cycle 50%; Continue after 2 hours, output duty cycle is adjusted into 30%, up to outage.This process may be interpreted as after the darkness controller for solar and sends lamp bright signal and supply power to high-efficiency solar LED road lamp power supply with an automatic light meter, the BOOST booster circuit energising back total power output that power supply is inner, and this moment, solar LED street lamp was the full brightness state; Single chip machine controlling circuit picks up counting simultaneously, delays time after 4 or 5 hours the PWM dim signal of output duty cycle 50%; Controlled BOOST booster circuit power output drops to 50%, and the LED street lamp was adjusted into the half intensity state, after 2 hours; Single chip machine controlling circuit is adjusted to 30% of full brightness with the brightness of LED street lamp; Until daybreak, solar street lamp controller sends the signal cut power supply of turning off the light, and street lamp cuts out.
For further realizing the purpose of the utility model; Also adopted following technical scheme: said BOOST booster circuit adopts the special-purpose DC-DC modular circuit of inductance BOOST voltage increase and current constant; This circuit is integrated to boost and constant-current driving control, does not have the power consumption constant current through in house software, and stability is high; Reduced overall power, efficient is up to 95%.
The good effect of the utility model is: it adopts the special-purpose DC-DC modular circuit of inductance BOOST voltage increase and current constant, has reduced overall power, and efficient is up to 95%; And with single-chip microcomputer as control circuit; Through the mode of timing and PWM light modulation, the brightness time period of control solar LED street lamp, make solar LED street lamp adjust brightness on a time period automatically; Than regular solar road lamp energy-saving more than 30%, thereby reduced system cost.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the utility model;
Fig. 2 is the physical circuit figure of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1, the said high-efficiency solar LED road lamp power supply with an automatic light meter of the utility model comprises input reverse-connection preventing circuit 1,5V voltage stabilizing circuit 2, single chip machine controlling circuit 3 and BOOST booster circuit 4.Controller for solar output ground DC24V power supply is received input reverse-connection preventing circuit 1; The effect of input reverse-connection preventing circuit 1 is: the both positive and negative polarity of wrong power supply when preventing user installation; If power positive cathode connects instead then circuit and does not work, can't burn out any components and parts, play the effect of protection late-class circuit.The output of input reverse-connection preventing circuit 1 is divided into two-way; One the tunnel receives 5V voltage stabilizing circuit 2; BOOST booster circuit 4 is received on another road, and the output of 5V voltage stabilizing circuit 2 is received single chip machine controlling circuit 3, for single chip machine controlling circuit 3 provides reliablely and stablely operating voltage; Single chip machine controlling circuit 3 is responsible for regularly and output PWM dim signal, and the output of single chip machine controlling circuit 3 connects the input of BOOST booster circuit 4.BOOST booster circuit 4 connects load LED street lamp, the required operating voltage of output LED street lamp, and possess the constant current function, and can accept single chip machine controlling circuit 3 output ground PWM dim signals, press the brightness that setting program reduces the LED street lamp.
Like Fig. 2 is the physical circuit schematic diagram of the utility model, and input reverse-connection preventing circuit 1 comprises Q1, R1, R2 and D1, and wherein R1, R2, D1 constitute the dividing potential drop voltage stabilizing circuit; For metal-oxide-semiconductor Q1 provides+grid voltage of 15V, subordinate's circuit supply is given in the metal-oxide-semiconductor conducting; If the both positive and negative polarity of input power supply connects instead, then R1, R2 provide the grid voltage of forward can not for metal-oxide-semiconductor Q1, and metal-oxide-semiconductor Q1 ends; Make the circuit can not conducting, play the effect of power supply reverse connecting protection.5V voltage stabilizing circuit 2 comprises R3, IC3 and C5, and IC3 adopts low-power consumption three terminal regulator 78L05, and for single-chip microcomputer provides reliable 5V operating voltage, R3 is the input divider resistance, prevents that input voltage is too high and causes the 78L05 heating, and C5 is the output filter capacitor of 78L05.Single chip machine controlling circuit 3 comprises IC1, C6, C7, C8, S1 and crystal oscillator OSC, and IC1 adopts 8 pin single-chip microcomputer HC18P010S, and 1 pin of IC1 connects+the 5V power supply; 8 pin ground connection, 2,3 pin meet crystal oscillator OSC and shake capacitor C 7, C8,5 pin output PWM dim signal; 7 pin connect switch S 1; Set timing by S1, the unsettled timing of S1 4 hours, S1 ground connection regularly 5 hours.C6 is a shock absorbing electric capacity, connects 1,8 pin of IC1.Single-chip microcomputer HC18P010S is according to the advantage that circuit structure is simple, cost is low, reliability is high is arranged.BOOST booster circuit 4 comprises R4, R5, C1, C2, C3, C4, D2, D3, DZ, L1 and IC2.Wherein C1, C2 are input filter capacitors, and C3, C4 are output filter capacitors, and IC2 is the DC-DC boost module, and inner integrated boosting and the constant current function constitutes BOOST voltage increase and current constant circuit with boost inductance L1.R5 is the output current sampling resistor, and the resistance of adjustment R5 can be adjusted output current.D2 is responsible for exporting rectification, adopts Schottky diode SK56.DZ and R4 form the output voltage clamp circuit, prevent that output voltage is too high and burn out the LED lamp.D3 is a PWM dim signal input isolating diode, prevents the feedback voltage of IC2 and burns out single-chip microcomputer IC1.
The utility model not technology contents of detailed description is known technology.
Claims (4)
1. high-efficiency solar LED road lamp power supply with an automatic light meter comprises input reverse-connection preventing circuit (1), 5V voltage stabilizing circuit (2); Single chip machine controlling circuit (3) and BOOST booster circuit (4); The output of input reverse-connection preventing circuit (1) is divided into two-way, and one the tunnel receives 5V voltage stabilizing circuit (2), and BOOST booster circuit (4) is received on another road; The output of 5V voltage stabilizing circuit (2) is received single chip machine controlling circuit (3); The output of single chip machine controlling circuit (3) connects the input of BOOST booster circuit (4), and BOOST booster circuit (4) connects load LED street lamp, it is characterized in that: said single chip machine controlling circuit (3) is responsible for regularly and output PWM dim signal.
2. according to the said high-efficiency solar LED road lamp power supply with an automatic light meter of claim 1, it is characterized in that: single chip machine controlling circuit (3) energising beginning regularly, timing 4 or 5 hours are optional; Set through switch, regularly finish back output PWM dim signal, light modulating frequency is 150HZ; Output duty cycle 50%; Continue after 2 hours, output duty cycle is adjusted into 30%, up to outage.
3. according to the said high-efficiency solar LED road lamp power supply with an automatic light meter of claim 1, it is characterized in that: BOOST booster circuit (4) adopts the special-purpose DC-DC modular circuit of inductance BOOST voltage increase and current constant.
4. according to the said high-efficiency solar LED road lamp power supply with an automatic light meter of claim 1; It is characterized in that: BOOST booster circuit (4) possesses the constant current function; And can accept single chip machine controlling circuit (3) output ground PWM dim signal, press the brightness that setting program reduces the LED street lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201926761U CN202587515U (en) | 2012-05-03 | 2012-05-03 | High-efficient solar LED street lamp power supply having automatic dimming function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201926761U CN202587515U (en) | 2012-05-03 | 2012-05-03 | High-efficient solar LED street lamp power supply having automatic dimming function |
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| Publication Number | Publication Date |
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| CN202587515U true CN202587515U (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201926761U Expired - Fee Related CN202587515U (en) | 2012-05-03 | 2012-05-03 | High-efficient solar LED street lamp power supply having automatic dimming function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102665340A (en) * | 2012-05-03 | 2012-09-12 | 济南先锋新型节能灯具有限公司 | Auto-dimming high efficiency solar energy light emitting diode (LED) streetlight power source |
| CN103052223A (en) * | 2012-12-14 | 2013-04-17 | 浙江明烁电子科技有限公司 | LED (light-emitting diode) lamp control circuit and tent lamp |
| CN104378877A (en) * | 2014-09-18 | 2015-02-25 | 深圳源创智能照明有限公司 | Efficient and intelligent solar lamp control circuit |
| CN112437516A (en) * | 2020-12-08 | 2021-03-02 | 宁波恒达高智能科技股份有限公司 | Digital timing dimmer control circuit |
-
2012
- 2012-05-03 CN CN2012201926761U patent/CN202587515U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102665340A (en) * | 2012-05-03 | 2012-09-12 | 济南先锋新型节能灯具有限公司 | Auto-dimming high efficiency solar energy light emitting diode (LED) streetlight power source |
| CN103052223A (en) * | 2012-12-14 | 2013-04-17 | 浙江明烁电子科技有限公司 | LED (light-emitting diode) lamp control circuit and tent lamp |
| CN104378877A (en) * | 2014-09-18 | 2015-02-25 | 深圳源创智能照明有限公司 | Efficient and intelligent solar lamp control circuit |
| CN104378877B (en) * | 2014-09-18 | 2015-12-30 | 深圳源创智能照明有限公司 | A kind of high-efficiency intelligent solar energy lamp control circuit |
| CN112437516A (en) * | 2020-12-08 | 2021-03-02 | 宁波恒达高智能科技股份有限公司 | Digital timing dimmer control circuit |
| CN112437516B (en) * | 2020-12-08 | 2023-06-27 | 宁波恒达高智能科技股份有限公司 | Digital timing dimmer control circuit |
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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: DALI DIANWEI POWER-SAVING LAMPS CO., LTD. Free format text: FORMER OWNER: JINAN XIANFENG NEW ENERGY SAVING LAMPS CO., LTD. Effective date: 20150327 |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 250033 JINAN, SHANDONG PROVINCE TO: 671599 DALI BAI AUTONOMOUS PREFECTURE, YUNNAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150327 Address after: 671599 Heqing County of Yunnan province Yunhe town crane Yang Road Industrial Park Patentee after: DALI DIANWEI ENERGY SAVING LIGHTING CO., LTD. Address before: West Luohe Road Flyover District of Shandong city in Ji'nan province 250033 No. 9 No. 1 Building 2 unit 201 room Patentee before: Jinan Pioneer New Energy-Saving Lamp Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20180503 |