CN205991439U - Solar illumination apparatus - Google Patents

Abstract

The utility model discloses a solar lighting device, which comprises a lamp bead board, an amplifying circuit, a controller, a solar panel, a battery and a constant voltage power supply; The lamp bead board, amplifying circuit and controller supply power; the constant voltage power supply is used to connect the mains, convert AC to DC and supply power to the lamp bead board, amplifying circuit and controller; the controller is used to obtain the output voltage of the solar panel, and according to The output voltage controls the working state of the lamp bead board through the amplifying circuit; the controller is also used to obtain the voltage of the battery, and control the working state of the constant voltage power supply according to the voltage of the battery. The utility model has the advantage that the controller can switch the constant current power supply to connect the mains power supply or the solar power supply alternately through the controller according to the working state of the solar panel and the battery, so that a lighting device that can supply power normally at any time is realized.

Description

solar lighting device

technical field

The utility model relates to solar power supply technology, in particular to a solar lighting device.

Background technique

The application of solar technology is becoming more and more widespread. Many city street lamps use solar technology. However, the existing solar street lamps have insufficient light power due to the limited volume, and the small volume of solar batteries results in a short lighting time for solar street lamps at night. ; And in thunderstorms and dark weather, solar street lights cannot work normally under the condition of scarce light.

Utility model content

In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a solar lighting device, which can realize a solar lighting device that can supply power normally at any time.

The purpose of this utility model adopts following technical scheme to realize:

Solar lighting device, including lamp bead board, amplifier circuit, controller, solar panel, battery and constant voltage power supply;

The solar panel is used to convert solar energy into electrical energy, and send the electrical energy to the battery for storage; the battery supplies power to the lamp bead board, amplifier circuit and controller; the constant voltage power supply is used to connect to the mains, convert AC to DC and power the lamp bead Board, amplifier circuit and controller power supply;

The controller is used to obtain the output voltage of the solar panel, and control the working state of the lamp bead board through the amplifying circuit according to the output voltage; the controller is also used to obtain the voltage of the battery, and control the working state of the constant voltage power supply according to the voltage of the battery.

Preferably, the solar lighting device further includes a switch, and the constant voltage power supply and the battery are connected to the controller through the switch.

Preferably, the controller is an MCU.

Compared with the prior art, the utility model has the beneficial effect that: the controller switches the constant current power supply to connect to the mains power supply or the solar power supply alternately through the controller according to the working state of the solar panel and the battery, realizing a function that can be normal at any time Powered lighting fixtures.

Description of drawings

Fig. 1 is a module connection diagram of the solar lighting device of the present invention.

detailed description

Below, in conjunction with accompanying drawing and specific embodiment, the utility model is described further:

As shown in Figure 1, the solar lighting device includes: a lamp bead board, an amplifier circuit, a controller, a switch, a solar panel, a battery, and a constant voltage power supply; the lamp bead board, an amplifier circuit, a controller, a solar panel, and a battery are connected in sequence, Both the voltage source and the battery are connected to the controller through a switch. The controller can be but not limited to MCU.

The solar panel is used to convert solar energy into electrical energy and send the electrical energy to the battery for storage; the battery supplies power to the lamp bead board, amplifier circuit and controller;

The constant voltage power supply is used to connect to the mains, convert the alternating current into direct current and supply power to the lamp bead board, amplifier circuit and controller.

The controller is used to obtain the output voltage of the solar panel, and control the working state of the lamp bead board through the amplifying circuit according to the output voltage; the controller is also used to obtain the voltage of the battery, and control the working state of the constant voltage power supply according to the voltage of the battery.

The switch is used to control the working state of the controller.

When the solar lighting device is put into use, the switch is closed, and the constant voltage power supply or battery supplies power to the controller; during the daytime, the controller controls the solar panel to work, and the solar panel converts solar energy into electrical energy and stores the electrical energy in the battery.

When there is no light at night, the output voltage of the solar panel is zero. The controller sends a high level to the amplifier circuit according to the output voltage of the solar panel. The amplifier circuit controls the lamp bead board to work according to the high level. At this time, the battery Supply power to the lamp bead board; when the controller detects that the voltage of the battery is lower than the preset voltage, the MCU controls the battery to shut down, and controls the constant voltage power supply to work, and the constant voltage power supply is connected to the mains to supply power to the lamp bead board.

From night to day, the solar panel continues to work, the controller detects that the solar panel has a voltage output, the controller sends a low level to the amplifier circuit, and the amplifier circuit controls the lamp bead panel to turn off according to the low level.

For those skilled in the art, various other corresponding changes and deformations can be made according to the technical solutions and ideas described above, and all these changes and deformations should fall within the protection scope of the claims of the present utility model.

Claims (3)

1. solar illumination apparatus are it is characterised in that include lamp bead plate, amplifying circuit, controller, solar panels, battery and perseverance Voltage source；Solar panels are used for converting solar energy into electrical energy, and electric energy is sent are stored to battery；Battery is lamp bead Plate, amplifying circuit and controller are powered；Constant voltage source is used for connecting civil power, by AC conversion for unidirectional current and for lamp bead plate, Amplifying circuit and controller are powered；Controller is used for obtaining the output voltage of solar panels, and passes through to amplify according to output voltage Circuit controls the working condition of lamp bead plate；Controller is additionally operable to obtain the voltage of battery, and controls constant voltage according to the voltage of battery The working condition of power supply.

2. solar illumination apparatus as claimed in claim 1 are it is characterised in that also include switching, constant voltage source and battery are equal Connected by switch and controller.

3. solar illumination apparatus as claimed in claim 1 are it is characterised in that described controller is MCU.