Single chip microcomputer automatic control of high power solar taiyuan street lamp to LED street lamp

As the fourth generation of lighting source, with its unique advantages in urban beautification, road lighting, garden lighting, indoor lighting, and other more and more widely in various fields of applications. Especially in remote areas without electricity, solar lighting lamps and lanterns with its unstoppable



as the fourth generation of lighting source' Lighting source ( 照明源) Applied to the artificial lighting inside and outside the building lighting. 】 , with its unique advantages in urban beautification, road lighting, garden lighting, indoor lighting, and other more and more widely in various fields of applications. Especially in remote areas without electricity, solar lighting lamps and lanterns with its unstoppable advantages to get rapid popularization and application. Some authors solar panel of LED lights' Solar panels, 太阳能板) Is by absorbing sunlight, the solar radiation through the photoelectric effect or photochemical effect directly or indirectly converted into electrical energy device, the main material of most of the solar panel as the 'silicon', but because of the production cost is larger, so it widely used, we still have some limitations. 】 The installation, the function of the controller, lead-acid batteries Commonly used rechargeable batteries in addition to lithium batteries, lead-acid batteries a battery system is also very important. 】 Resettlement and constant current drive circuit are discussed in this paper, but gave no controller of key circuit design and simulation. Other authors from light source design, driver circuit design and thermal design three aspects that the street lights LED lights 【 LED street lamp is made of street lamp, LED lamps and lanterns with high efficiency, safety, energy saving, environmental protection, long service life, fast response speed, high color rendering index of unique advantages, the city lighting energy saving is of great significance. 】 Should follow the principle of design, but the use of intelligent circuit does not implement, unable to process control. In this paper, the design and simulation based on a single-chip microcomputer intelligent control, power of about 40 w solar LED street lamp' Based energy as the earth's resources increasingly poor, the investment cost of the surging, all kinds of safety and pollution hidden danger is everywhere, the solar energy as an 'inexhaustible, an inexhaustible' safety, environmental protection, new energy more and more attention. 】 。 It USES the double power supply mode, electric and control function, strong anti-jamming capability. This paper mainly introduces the design of solar LED street lamp light panel, solar cells, and the selection of the battery, at the same time, a detailed analysis and discussion the street lamp circuit design and working principle of each part, and application and Protues keil 【 Keil C51 is compatible with Keil Software companies in the United States released 51 series microcontroller C language Software development system, compared with the assembler, C language on the function, structural, readability and maintainability has obvious advantages, so easy to learn and easy to use. 】 Software for the LED street lamp charging circuit, boost circuit and control circuit are simulated. The simulation results are consistent with design index. 2 2, solar LED street lamp hardware circuit design. 1 the system hardware composition solar LED street lamp system is mainly composed of solar battery components 【 Solar energy battery components is of high efficiency crystalline silicon solar cell lines of toughened glass, super white cloth, EVA, transparent TPT backboard and the composition of aluminum alloy frame. 】 , LED lamps and lanterns, light pole and control box 【 The control box is used widely. 】 ( There a charger, controller, battery, etc. ) Four parts. In this paper, design of solar LED street light total power of about 40 w. The structure of the circuit principle diagram is shown in figure 1. It shows that the system USES a double power supply. System is mainly composed of solar battery, storage battery, charging circuit, boost circuit, control circuit, LED drive circuit and LED array.