CN203167381U - A solar-energy illuminating lamp intelligent controller - Google Patents

Abstract

The utility model belongs to the field of solar-energy illuminating lamp control systems. A solar-energy illuminating lamp intelligent controller comprises a microprocessor, an infrared sensing system, a detecting circuit, a driving circuit, a displaying device, a protecting circuit, and an electric power field effect transistor. A photovoltaic battery converts optical energy into electric energy and reasonably stores the electric energy in a storage battery under the effect of the microprocessor. The turning on and the turning off of an illuminating lamp are controlled through the infrared sensing system. Therefore, the electric energy is used reasonably and effectively.

Description

An intelligent controller for solar lighting

technical field

The invention relates to the technical field of solar lighting controllers, in particular to a solar intelligent controller technology for automatically sensing on and off lighting lamps.

Background technique

As a clean, non-polluting, inexhaustible and inexhaustible clean energy source, solar energy. The solar intelligent controller is the core part of the entire photovoltaic lighting system. The controllers currently on the market are always in the full power state regardless of whether the light control is on and the light control is off, or the light control is on and the delay is off. lights will be turned on. For the entire photovoltaic power generation lighting system, it not only wastes precious electricity, but also causes over-discharge of the battery, which affects the service life of the battery.

Contents of the invention

The purpose of the present invention is to solve the problems of low charging and discharging accuracy of the battery by the solar controller, short service life of the system, uneconomical and energy-saving under unmanned conditions, etc., and provide a solar lighting with energy saving and environmental protection, high control precision, stable system and long service life Light intelligent controller.

In order to achieve the above object, the present invention is achieved through the following technical solutions.

An intelligent controller for solar lighting lamps, characterized in that it includes a microprocessor, an infrared sensing system, a detection circuit, a drive circuit, a display device, a protection circuit and an electric field effect tube; the photovoltaic cell, the storage battery and the lighting lamp The detection circuit is connected with the microprocessor, wherein the photovoltaic battery is connected with the storage battery through the electric field effect tube, and the storage battery is connected with the lighting lamp through the infrared sensing system; the protection circuit and the display device are connected with the microprocessor.

The infrared sensing system is composed of a relay switch control circuit, an amplifying circuit, a delay circuit and an infrared sensing circuit.

The electric field effect tube is connected with the microprocessor through the driving circuit.

Described microprocessor refers to single-chip microcomputer or DSP.

The display device refers to a liquid crystal screen.

The electric field effect transistor refers to MOSFET.

The beneficial effects of the present invention are: through the detection of the electric quantity of the storage battery by the microprocessor, it can be reasonably charged; through the detection of the lighting lamp by the microprocessor, the whole system can be protected; through the infrared sensing system, it can sense whether someone approaches the lighting The lights are turned on or off, which saves electricity, protects the battery, and the entire system works in an efficient state.

Description of drawings

Fig. 1 is a structural block diagram of the present invention.

Fig. 2 is a control flow diagram of the present invention.

Detailed ways

In order to make the purpose, technical solution and creative characteristics of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

As shown in Figure 1 and Figure 2, an intelligent controller for solar lighting includes a microprocessor, an infrared sensing system, a detection circuit, a drive circuit, a display device, a protection circuit and a power field effect tube; photovoltaic cells, storage batteries and The lighting lamp is connected with the microprocessor through the detection circuit, wherein the photovoltaic cell is connected with the storage battery through the electric field effect tube, and the storage battery is connected with the lighting lamp through the infrared sensing system; the protection circuit and the indication circuit are connected with the microprocessor. Any object in nature, as long as its temperature is higher than the thermodynamic temperature 0K, it will continuously radiate a kind of infrared rays that are difficult for human eyes to see to the surrounding space, and use the infrared rays radiated by the human body to automatically switch the lighting. Control, the infrared sensing system consists of a relay switch control circuit, an amplifier circuit, a delay circuit, and an infrared sensing circuit. The infrared sensing circuit is connected to the amplifier circuit, the amplifier circuit is connected to the relay switch control circuit, and the relay switch control circuit is connected to the delay circuit connected. The microprocessor refers to the single-chip microcomputer or DSP, and the power field effect transistor is a MOSFET, that is, a metal-oxide-semiconductor-field-effect transistor, referred to as a metal-oxide-semiconductor field-effect transistor (MOSFET). The device judges the state of the photovoltaic cell and the storage battery through the detection circuit. When the voltage of the photovoltaic cell is higher than the voltage of the storage battery and the storage battery is not in the state of full protection, the microprocessor sends a signal to drive the power field effect tube to conduct, and then connects Through photovoltaic cells and batteries, photovoltaic cells convert light energy into electrical energy and store it in batteries. The storage battery is connected with the infrared sensing system, and the infrared sensing system is connected with the lighting lamp. When someone approaches the lighting lamp and needs to be illuminated, the infrared photosensitive element in the infrared sensing circuit detects the infrared rays emitted by the human body, and converts the signal into an identifiable The electric signal, after being processed by the amplifier circuit, is sent to the relay switch control circuit as a control signal to light up the lighting lamp, and it will be extinguished after a delay. At this time, the infrared photosensitive element will not detect the infrared rays emitted by the human body. The lighting is connected to the detection circuit, and the detection circuit is connected to the microprocessor. When the microprocessor detects load overload, overcurrent, and short circuit abnormalities, the protection circuit is turned on to protect the entire control system, and the output is turned off. It will return to normal after the abnormality is cleared. Work. The display device refers to a liquid crystal screen, through which the terminal voltage of the photovoltaic cell, the terminal voltage of the storage battery and the working status of the lighting can be clearly known.

The above are only the basic principles and main features of the present invention, and are not intended to limit the present invention. Any modifications made within the principles and spirit of the present invention, equivalent replacements and improvements, etc., should be included in the protection scope of the present invention Inside. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A solar lighting intelligent controller is characterized in that: comprising a microprocessor, an infrared sensing system, a detection circuit, a drive circuit, a display device, a protection circuit and an electric field effect tube; the photovoltaic cell, storage battery and The lighting lamp is connected with the microprocessor through the detection circuit, wherein the photovoltaic battery is connected with the storage battery through the electric field effect tube, and the storage battery is connected with the lighting lamp through the infrared sensing system; the protection circuit and the display device are connected with the microprocessor. 2. The intelligent controller of the solar lighting lamp according to claim 1, wherein the infrared sensing system is composed of a relay switch control circuit, an amplifier circuit, a delay circuit, and an infrared sensing circuit. 3. The intelligent controller of the solar lighting lamp according to claim 1, characterized in that: the electric field effect tube is connected to the microprocessor via a driving circuit. 4. The intelligent controller of solar lighting lamps according to claim 1, characterized in that: said microprocessor refers to single-chip microcomputer or DSP. 5. The intelligent controller of solar lighting according to claim 1, wherein the display device is a liquid crystal screen. 6. The intelligent controller of the solar lighting lamp according to claim 1, characterized in that: said electric field effect transistor refers to a MOSFET.

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