CN203131682U - Efficient and intelligent solar LED street lamp - Google Patents

Abstract

The high-efficiency intelligent solar LED street lamp disclosed by the utility model includes a solar panel, a storage battery, a charging circuit, an LED lighting lamp, and a controller. The charging circuit includes a conventional charging circuit and a boost charging circuit arranged in parallel, and the controller includes A photoresistor, a timing device, a first single-chip microcomputer connected with the photosensitive resistance and the timing device, the first single-chip microcomputer controls the power of the LED lighting lamp, and a second single-chip microcomputer controls the conventional charging circuit and the boost The charging circuit is alternatively connected to the solar panel and the battery; when the sunshine condition is not good, the second single-chip computer controls the boost charging circuit to be connected to the solar panel and the battery to boost The voltage at the output terminal of the solar panel enables the battery to be charged normally. In addition, when the timing value of the timing device is a certain set value, the first single-chip microcomputer controls the LED lighting to operate in a low power state, thereby , and efficiently charge and discharge.

Description

Efficient and intelligent solar LED street light

technical field

The utility model relates to a high-efficiency intelligent solar LED street lamp, in particular to a high-efficiency intelligent solar LED street lamp with high efficiency charging and discharging.

Background technique

As the earth's resources become increasingly scarce, the investment cost of basic energy is rising day by day, and various hidden dangers of safety and pollution are everywhere. Solar energy, as an "inexhaustible and inexhaustible" safe and environmentally friendly new energy are getting more and more attention. However, although solar energy is huge, it is very scattered. Therefore, solar energy is generally used for low-power power generation. At low power, the luminous efficiency of traditional light sources is very low, which is not suitable for application in solar lighting systems. In recent years, with the development of solar photovoltaic technology and the continuous progress of semiconductor light-emitting diode (LED) technology, the increasingly mature solar LED lighting technology has been widely used in various places.

A current solar LED street light is used to illuminate city streets. The solar LED street light mainly includes a solar panel for converting solar energy in sunlight into electrical energy, a battery for storing electrical energy in the solar panel, and using the The electricity in the battery drives the LED lights for the lighting.

However, it is difficult to guarantee the intensity and time of sunlight due to changing weather, which leads to unstable voltage at the output end of the solar panel: when the light condition is good, the voltage at the output end of the solar panel is greater than the rated voltage of the battery, and at this time, the battery It can receive the electric energy of the solar panel for normal charging, and when the lighting conditions are not good, the voltage at the output terminal of the solar panel is lower than the rated voltage of the battery, then at this time, the battery cannot be charged normally, thus causing the energy in the solar panel to Electricity converted from solar energy cannot be efficiently stored.

In addition, the solar LED street lamps all adopt the method of automatic switching, and the street lamps operate at full power during the lighting period, so that the limited power of the battery is consumed too quickly and cannot be used efficiently.

Utility model content

Aiming at the problems existing in the background technology, the purpose of the utility model is to provide a high-efficiency intelligent solar LED street lamp with high-efficiency charging and discharging.

A high-efficiency intelligent solar LED street lamp, which includes: a solar panel, used to convert solar energy in sunlight into electrical energy; a storage battery, used to store electrical energy from the solar panel; a charging circuit, connected to the solar panel and the storage battery , the charging circuit includes a conventional charging circuit and a boost charging circuit connected in parallel with the conventional charging circuit; an LED lighting lamp is connected to the storage battery; a controller includes a photoresistor, a timing device, a first single-chip microcomputer and a second Single-chip microcomputer, wherein, the photoresistor is used to measure the brightness of the area where the LED lighting lamp is located, the timing device is used for timing, the first single-chip microcomputer is connected with the photosensitive resistor and the timing device, and it is adjusted by adjusting current or voltage to control the power of the LED lighting lamp, the second single-chip microcomputer is connected with the output terminal of the solar panel and the charging circuit, and controls the conventional charging circuit and the boost charging circuit to alternatively connect with the The solar panel is connected to the battery.

Further, the boost charging circuit includes a boost circuit and an energy storage element.

Based on the disclosure of the above technical solutions, the utility model has the following beneficial effects:

In the high-efficiency intelligent solar LED street lamp provided by the utility model, when the sunshine condition is not good and the voltage at the output terminal of the solar panel is lower than the rated voltage of the storage battery, the second single-chip microcomputer controls the boost charging circuit and the The solar panel and the storage battery are connected to increase the voltage at the output terminal of the solar panel, so that the storage battery can be charged normally, and then the electric energy converted from solar energy in the solar panel can be efficiently stored.

In addition, when the brightness in the environment is lower than a certain value, the first single-chip microcomputer receives the signal from the photoresistor, controls the LED lighting to turn on, and at the same time, the timing device starts counting, when the timing device When the timing value reaches a certain set value, the first single-chip microcomputer controls the LED lighting lamp to operate in a low-power state by adjusting the current or voltage, so that the electric energy of the storage battery can be efficiently used.

Description of drawings

Fig. 1 is a structural schematic diagram of the high-efficiency intelligent solar LED street lamp provided by the utility model.

Explanation of reference numbers

Solar panel 1 battery 2 conventional charging circuit 3 boost charging circuit 4

LED lighting 5 photoresistor 6 timing device 7 first single-chip microcomputer 8

Second MCU 9

Detailed ways

The technical scheme of the utility model is further described below in conjunction with the accompanying drawings and through specific embodiments:

Based on the technical defects of the solar LED street lamp described in the background art, the utility model provides a high-efficiency intelligent solar LED street lamp.

Please refer to Fig. 1, the high-efficiency intelligent solar LED street lamp provided by the utility model includes a solar panel 1, which is used to convert the solar energy in the sunshine into electric energy; a storage battery 2, which is used to store the electric energy from the solar panel 1; a charging circuit (not shown) label), connect the solar panel 1 and the storage battery 2, the charging circuit includes a conventional charging circuit 3 and a boost charging circuit 4 connected in parallel with the conventional charging circuit 3; LED lighting 5, connected with the storage battery 2 connected; a controller (unlabeled), which includes a photosensitive resistor 6, a timing device 7, a first single-chip microcomputer 8 and a second single-chip microcomputer 9, wherein the photosensitive resistor 6 is used to measure the brightness of the area where the LED lighting lamp 5 is located, The timing device 7 is used for timing, the first single-chip microcomputer 8 is connected with the photoresistor 6 and the timing device 7, and it controls the power of the LED lighting lamp 5 by adjusting the current or voltage, and the second single-chip microcomputer 9 is connected to the output terminal of the solar panel 1 and the charging circuit, and controls the conventional charging circuit 3 and the boost charging circuit 4 to alternatively conduct with the solar panel 1 and the battery 2, and then In this embodiment, the boost charging circuit 4 includes a boost circuit and an energy storage element.

Please refer to FIG. 1, the boost charging circuit 3 is used to boost the voltage at the output terminal of the solar panel 1, when the sunshine condition is not good and the voltage at the output terminal of the solar panel 1 is lower than the rated voltage of the storage battery 2, The second single-chip microcomputer 9 controls the boost charging circuit 4 to conduct with the solar panel 1 and the battery 2, so as to increase the voltage at the output end of the solar panel 1, so that the battery 1 is charged normally, and then , so that the electric energy converted by solar energy in the solar panel 1 can be efficiently stored; and when the sunshine condition is good, when the voltage at the output terminal of the solar panel 1 is higher than the rated voltage of the storage battery 2, the second The single-chip microcomputer 9 controls the conventional charging circuit 4 to conduct with the solar panel 1 and the storage battery 2, and the storage battery 2 is charged normally.

When the ambient light is weak, the photoresistor 6 transmits a signal to the first single-chip microcomputer 8, and the first single-chip microcomputer 8 controls the opening of the LED lighting lamp 5 to start working, and at the same time, the timer 7 starts counting To work, when the timing value of the timer 7 reaches a certain set value, the first single-chip microcomputer 8 controls the LED lighting lamp 5 to operate at a lower power by adjusting the current or voltage.

Based on the disclosure of the above technical solutions, the utility model has the following beneficial effects:

In the high-efficiency intelligent solar LED street lamp provided by the utility model, when the sunshine condition is not good and the voltage at the output end of the solar panel 1 is lower than the rated voltage of the battery 2, the second single-chip microcomputer 9 controls the boost charging circuit 4 conduction with the solar panel 1 and the battery 2, so as to increase the voltage of the output terminal of the solar panel 1, so that the battery 2 can be charged normally, so that the solar energy converted in the solar panel 1 Electrical energy is efficiently stored.

In addition, when the brightness in the environment is lower than a certain value, the first single-chip microcomputer 8 receives the signal from the photoresistor 6, controls the LED lighting 5 to turn on, and at the same time, the timing device 7 starts timing, when When the timing value of the timing device 7 reaches a certain set value, the first single-chip microcomputer 7 controls the LED lighting 5 to operate in a low-power state, where the electric energy of the battery 2 can be efficiently utilized.

The utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the realization of the utility model is not limited by the above-mentioned method, as long as various improvements of the method concept and technical solutions of the utility model are adopted, or the utility model is not improved. Directly applying the conception and technical solutions of the utility model to other occasions is within the protection scope of the utility model.

Claims (2)

1. A high-efficiency intelligent solar LED street lamp is characterized in that it comprises: Solar panels to convert solar energy from sunlight into electrical energy; a battery for storing electrical energy from said solar panel; A charging circuit is connected to the solar panel and the storage battery, the charging circuit includes a conventional charging circuit and a boost charging circuit connected in parallel with the conventional charging circuit; LED lighting lamps, connected to the storage battery; The controller includes a photoresistor, a timing device, a first single-chip microcomputer and a second single-chip microcomputer, wherein the photosensitive resistor is used to measure the brightness of the area where the LED lighting lamp is located, the timing device is used for timing, and the first The single-chip microcomputer is connected with the photoresistor and the timing device, and it controls the power of the LED lighting lamp by adjusting the current or voltage, and the second single-chip microcomputer is connected with the output terminal of the solar panel and the charging circuit to control the The conventional charging circuit and the boost charging circuit are alternatively connected to the solar panel and the storage battery. 2. The high-efficiency intelligent solar LED street lamp according to claim 1, wherein the boost charging circuit comprises a boost circuit and an energy storage element.

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