CN203859898U - Solar LED street lamp controller based on single-chip microcomputer - Google Patents
Solar LED street lamp controller based on single-chip microcomputer Download PDFInfo
- Publication number
- CN203859898U CN203859898U CN201420055504.9U CN201420055504U CN203859898U CN 203859898 U CN203859898 U CN 203859898U CN 201420055504 U CN201420055504 U CN 201420055504U CN 203859898 U CN203859898 U CN 203859898U
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- China
- Prior art keywords
- chip microcomputer
- translation circuit
- street lamp
- led street
- lamp controller
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- Expired - Fee Related
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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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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Provided is a solar LED street lamp controller based on a single-chip microcomputer. Simple direct lighting is performed by currently mostly used high-power LED street lamps without necessary intelligent control. Existing lighting energy supply has problems of high energy consumption and high operation cost without environmental protection. Composition of the solar LED street lamp controller comprises a solar cell panel (1) which is connected with a BuckDC/DC conversion circuit (2). The BuckDC/DC conversion circuit is connected with a storage cell pack (3) which is connected with a BoostDC/DC conversion circuit (4). The BoostDC/DC conversion circuit is connected with a high-power LED light source (5). An STC single-chip microcomputer (6) is respectively connected with the BuckDC/DC conversion circuit and the BoostDC/DC conversion circuit. The solar LED street lamp controller is used for an LED street lamp controller.
Description
technical field:
the utility model relates to a kind of SCM Based solar LED street lamp controller.
background technology:
at present, the high-power LED street lamp major part using is all simple direct lighting, lacks necessary Based Intelligent Control, although or some possess the function that has Based Intelligent Control, but but can not automatically detect the illuminating position of street lamp, can not carry out long-range and local regulation and control to street lamp easily.And the problems such as the energy supply of existing illumination existence is consumed energy greatly, not environmental protection, operation cost height.
utility model content:
the purpose of this utility model is to provide a kind of SCM Based solar LED street lamp controller.
above-mentioned object realizes by following technical scheme:
a kind of SCM Based solar LED street lamp controller, its composition comprises: solar panel, described solar panel is connected with Buck DC/DC translation circuit, described Buck DC/DC translation circuit is connected with batteries, described batteries is connected with Boost DC/DC translation circuit, described Boost DC/DC translation circuit is connected with high-power LED light source, STC single-chip microcomputer respectively with described Buck DC/DC translation circuit, described Boost DC/DC translation circuit connects, described STC single-chip microcomputer adopts STC12C5410AD single-chip microcomputer, described Buck DC/DC translation circuit comprises inductance L 1, power MOSFET pipe T1, sustained diode 2, described Boost DC/DC translation circuit comprises inductance L 2, power MOSFET pipe Q2, sustained diode 3,
the built-in 4 road PWM passages of described STC12C5410AD single-chip microcomputer, 8 10, tunnel ADC passages, the PWM3 delivery outlet of described STC12C5410AD single-chip microcomputer is connected with power MOSFET pipe Q3, the PWM4 delivery outlet of described STC12C5410AD single-chip microcomputer is connected with power MOSFET pipe Q4, described power MOSFET pipe Q3, described power MOSFET pipe Q4 are connected with LED light source respectively, and two A/D delivery outlets of described STC12C5410AD single-chip microcomputer are connected and form respectively the current feedback of LED illumination driving circuit with resistance R 7 and resistance R 10.
beneficial effect:
1. the double dominant that the utlity model has environmental protection and energy saving, it is simple in structure, and efficiency is high, lightweight, and security performance is good, pollution-free, non-maintaining, and the life-span is long, and controllability is strong.
the utility model is controlled function except completing the most basic discharging and recharging, and can also control solar cell array and absorb as far as possible solar energy, raises the efficiency; Can prevent overcharge of a battery and deep discharge, extend the useful life of storage battery; Can, according to environment, regulate the brightness of LED light source, particularly can also realize in the second half of the night half-power and light load, thereby energy-conservation as far as possible etc.
the utility model has been realized syllogic charging control function, and can effectively prevent accumulator super-charge; Can also realize timing and half-power point and cut off load, be less than overdischarge pressure at battery tension and also will cut off load simultaneously, thus storage battery Cross prevention.
brief description of the drawings:
accompanying drawing 1 is structured flowchart of the present utility model.
accompanying drawing 2 is circuit theory diagrams of Buck DC/DC translation circuit of the present utility model.
accompanying drawing 3 is circuit theory diagrams of Boost DC/DC translation circuit of the present utility model.
embodiment:
embodiment 1:
a kind of SCM Based solar LED street lamp controller, its composition comprises: solar panel 1, described solar panel is connected with Buck DC/DC translation circuit 2, described Buck DC/DC translation circuit is connected with batteries 3, described batteries is connected with Boost DC/DC translation circuit 4, described Boost DC/DC translation circuit is connected with high-power LED light source 5, and STC single-chip microcomputer 6 is connected with described Buck DC/DC translation circuit, described Boost DC/DC translation circuit respectively.
embodiment 2:
according to the SCM Based solar LED street lamp controller described in embodiment 1, described SCM Based solar LED street lamp controller, described STC single-chip microcomputer adopts STC12C5410AD single-chip microcomputer, described Buck DC/DC translation circuit comprises inductance L 1, power MOSFET pipe T1, sustained diode 2, and described Boost DC/DC translation circuit comprises inductance L 2, power MOSFET pipe Q2, sustained diode 3.
embodiment 3:
described SCM Based solar LED street lamp controller, the utility model adopts STC12C5410AD single-chip microcomputer as master control device, the built-in 4 road PWM passages of this device, 8 10, tunnel ADC passages, operating frequency is up to 35 MHz, fast 8 ~ 12 times of compatible 51 single-chip microcomputers of instruction but speed are applicable to the design's requirement very much.Because adopting, two groups of solar cells are connected in series, output voltage is 36 V, battery tension is 12 V, LED street lamp operating voltage is 24 V, therefore charging circuit adopts DC/DC step-down conversion circuit (Buck), discharge circuit adopts DC/DC boost conversion circuit (Boost), realizes the control strategy discharging and recharging by software, thus finally reach raise the efficiency, energy-conservation object.
embodiment 4:
described SCM Based solar LED street lamp controller, by the output characteristic to solar panel, the research of the charge-discharge characteristic of storage battery and great power LED street lamp drive circuit, designed can Based Intelligent Control the utility model, the utility model is taking STC single-chip microcomputer as core, taking DC/DC translation circuit as hardware foundation, taking PWM technology as means regulation output voltage and current, adopt syllogic strategy to realize the charging of storage battery, wherein adopt MPPT algorithm in the stage of filling soon, half-power point policy control LED illumination, environmental protection and energy saving advantage and the application prospect of solar LED road lamp system are greatly highlighted.
embodiment 5:
described SCM Based solar LED street lamp controller, charging circuit forms voltage-dropping type Buck circuit by inductance L 1, power MOSFET pipe T1 and sustained diode 2, as shown in Fig. 2.Be added in MOSFET and control the pulse duration (pulse width modulation Pulse Width Modulation, PWM) of grid and just can change the output voltage of solar panel by change.By detecting the voltage and current of the output voltage of solar panel and electric current, storage battery, judge the state of charge of storage battery, selecting suitable charging modes is that storage battery optimization is charged.When battery tension exceedes after certain voltage, turn-off T1, prevent overcharge of a battery.When system detects ambient light abundance, controller will enter charge mode.
embodiment 6:
described SCM Based solar LED street lamp controller, the load of discharge circuit is high-power LED street lamp, it is the green light source being formed by connecting by certain topology by 1W and above high-brightness LED.The luminous intensity of great power LED street lamp is to be directly proportional with the electric current flowing through.Because electric current, the voltage parameter of great power LED have typical PN knot voltage-current characteristic, the minor variations of its forward voltage drop can cause that larger forward current changes.Unsettled operating current can affect life-span and the light decay of LED, so the drive circuit of great power LED must provide constant electric current.Its control circuit mainly adopts DC/DC booster driving circuit (Boost), and control strategy adopts pulse width modulation (PWM), and Boost charging circuit as shown in Figure 3.
inductance L 2, power MOSFET pipe Q2 and D3 form step-up DC/DC transducer, export PWM2 by Single-chip Controlling, obtain a stable output voltage; Carry out the constant current control of 2 paths of LEDs illuminations by PWM3 and PWM4 passage, turn-off this 2 tunnel load completely and can also be used as half-power point control; R7 and R10 provide the current feedback sampling of LED illumination driving circuit.
Claims (1)
1.
a kind of SCM Based solar LED street lamp controller, its composition comprises: solar panel, it is characterized in that: described solar panel is connected with Buck DC/DC translation circuit, described Buck DC/DC translation circuit is connected with batteries, described batteries is connected with Boost DC/DC translation circuit, described Boost DC/DC translation circuit is connected with high-power LED light source, STC single-chip microcomputer respectively with described Buck DC/DC translation circuit, described Boost DC/DC translation circuit connects, described STC single-chip microcomputer adopts STC12C5410AD single-chip microcomputer, described Buck DC/DC translation circuit comprises inductance L 1, power MOSFET pipe T1, sustained diode 2, described Boost DC/DC translation circuit comprises inductance L 2, power MOSFET pipe Q2, sustained diode 3,
the built-in 4 road PWM passages of described STC12C5410AD single-chip microcomputer, 8 10, tunnel ADC passages, the PWM3 delivery outlet of described STC12C5410AD single-chip microcomputer is connected with power MOSFET pipe Q3, the PWM4 delivery outlet of described STC12C5410AD single-chip microcomputer is connected with power MOSFET pipe Q4, described power MOSFET pipe Q3, described power MOSFET pipe Q4 are connected with LED light source respectively, and two A/D delivery outlets of described STC12C5410AD single-chip microcomputer are connected and form respectively the current feedback of LED illumination driving circuit with resistance R 7 and resistance R 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420055504.9U CN203859898U (en) | 2014-01-29 | 2014-01-29 | Solar LED street lamp controller based on single-chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420055504.9U CN203859898U (en) | 2014-01-29 | 2014-01-29 | Solar LED street lamp controller based on single-chip microcomputer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203859898U true CN203859898U (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420055504.9U Expired - Fee Related CN203859898U (en) | 2014-01-29 | 2014-01-29 | Solar LED street lamp controller based on single-chip microcomputer |
Country Status (1)
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| CN (1) | CN203859898U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104768311A (en) * | 2015-04-30 | 2015-07-08 | 苏州承乐电子科技有限公司 | Control device for solar LED street lamp |
| CN105828482A (en) * | 2016-05-18 | 2016-08-03 | 广西民族师范学院 | High-power solar LED lighting street lamp constant-current drive power supply and design method thereof |
| CN106369514A (en) * | 2016-09-28 | 2017-02-01 | 陈龙 | Intelligent street lamp |
| CN109152150A (en) * | 2018-10-15 | 2019-01-04 | 四川长虹电器股份有限公司 | The Boost constant current output circuit and constant voltage outputting circuit of solar lighting control system |
| CN110379361A (en) * | 2019-07-25 | 2019-10-25 | 苏州市职业大学 | The color LED dot matrix screen of photovoltaic power supply |
-
2014
- 2014-01-29 CN CN201420055504.9U patent/CN203859898U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104768311A (en) * | 2015-04-30 | 2015-07-08 | 苏州承乐电子科技有限公司 | Control device for solar LED street lamp |
| CN105828482A (en) * | 2016-05-18 | 2016-08-03 | 广西民族师范学院 | High-power solar LED lighting street lamp constant-current drive power supply and design method thereof |
| CN106369514A (en) * | 2016-09-28 | 2017-02-01 | 陈龙 | Intelligent street lamp |
| CN106369514B (en) * | 2016-09-28 | 2019-02-12 | 泰州市华强照明器材有限公司 | Intelligent LED street lamp |
| CN109152150A (en) * | 2018-10-15 | 2019-01-04 | 四川长虹电器股份有限公司 | The Boost constant current output circuit and constant voltage outputting circuit of solar lighting control system |
| CN110379361A (en) * | 2019-07-25 | 2019-10-25 | 苏州市职业大学 | The color LED dot matrix screen of photovoltaic power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20160129 |
|
| EXPY | Termination of patent right or utility model |