The article describes automatic street light working along with automatic street light components in order to lower the rate of electricity consumption up to a particular limit. A significant quantity of electricity is being lost during the continuous illumination of street lights.
What is the Principle of Automatic Street Light Working?
The automatic street light working is dependent on the presence or absence of light in the atmosphere, LDR works extremely well in managing light. LDR is usually reasonably priced, and this is a clever way of bringing automation into the street light system. This also enhances the street light’s overall operation efficiency and power consumption.
Visibility and natural light levels begin to decline as the sun sets. As a result, as visibility decreases, automatic street lights are expected to kick on. Automatic street lights turn on by assessing visibility data provided by a sensor. Because of the presence of natural light in the sky, visibility begins to increase at sunrise. The street light is obviously unnecessary during the day, and the only way to save energy is to turn it off. When a solar street light detects the presence of sunlight, it immediately turns off the light.
What is Automatic Street light Model Explanation?
An automatic street light circuit requires an LDR, a transistor, resistors, a breadboard, a battery, and wires. The transistor, in conjunction with a light-dependent resistor, functions as a controller, controlling the operation of the solar street light. The operation of a transistor is dependent on the operation of a light-dependent resistor. The transistor’s input should be the LDR’s output. The transistor transmits a signal to turn off the light, and if no signal is received, the light goes on. When the available light in the atmosphere falls below the threshold required for the LDR to operate, the resistor is unable to supply input to the transistor. When there is enough light, the LDR sends a signal to the transistor, which subsequently sends a signal to turn off the street light.
Street Light is an important power-consuming component in any city. Below is discussed the automatic street light model and its functionality.
1. Each controller contains an LDR that detects ambient light. When the ambient light falls below a certain threshold, the lights switch on. A light-dependent sensor is connected to the microcontroller and is used to track the sun’s light. When the sensor detects darkness, the LED turns on, and when the sensor detects light, the LED turns off.
2. It vividly displays the operation of a transistor in the saturation and cut-off regions. The working of a relay is also known as a microcontroller, and the code is written in c language in MikroC ide, with the resultant value visible via UART or LCD display.
3. The Automatic Street Light Control System is a simple yet effective system that uses a transistor as a switch. Manual labor is completely eliminated when this method is used. When the sunlight falls below the viewable zone of human eyes, it automatically turns on the lights. This is accomplished through the use of a sensor known as a Light Dependent Resistor (LDR), which detects light in the same way that our eyes do. It automatically turns off lights when sunshine is visible to our eyes.
4. When the light goes out, the resistance value changes. If there is no light, the resistance value changes. The voltage variation may be calculated from the resistance change, and this value is fed into the PIC’s (peripheral interface controller) ADC.
5. The created electronic system eliminates the shortcomings of existing methods by obtaining the date and time from the GPS, as well as information about the system’s position. Based on the results, the microcontroller calculates and automatically recognizes geographical regions and retrieves important data for dawn and sunset in the area, ensuring the lighting system’s ON/OFF mode is highly precise.
6. The major goal is to use light sensors to automatically turn on and off street lights. Light Sensors are employed for sensing in this system. Using the LDRS, the street lights are initially turned off. The ON and OFF states of one or more of the streetlight’s LED illumination modules can then be regulated based on the dawn and sunset times.
7. The system is made up of a microcontroller, an LDR, and a photoelectric sensor. You may run the lights by using the LDR, which means that while the light is accessible, it is in the OFF condition, and when it is dark, it is in the ON state, implying that the LDR is inversely proportional to light. When light falls on the LDR, it sends commands to the microcontroller that it should be in the OFF state, and the light is turned off.
8. The photoelectric sensor is used to turn on or off the light based on the presence or absence of an object. All of these commands are relayed to the controller, which subsequently controls the gadget. A relay serves as an ON/OFF switch.
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What are Automatic Street Light Components?
The automatic street light components are an LDR, a microcontroller, a buzzer, and a relay. The LDR sensor detects the intensity of light. The LDR sensor’s output is in the form of resistance.
1. Light-Dependent Resistor (LDR)
When different levels of light strike an LDR its resistance changes. They work on the photoconductivity concept, which gives less resistance in bright light and more resistance in dim light.
It is a small integrated circuit that governs a specific operation in an embedded system. On a single chip, a typical microcontroller contains a CPU, memory, and input/output (I/O) peripherals.
It is an electromechanical device that can be used to join or disconnect an electrical circuit. It consists of a flexible movable mechanical portion that may be controlled electrically by an electromagnet; in essence, a relay is similar to a mechanical switch, but it can be controlled with an electronic signal rather than manually turning it on or off. Again, this relay operating concept applies only to electromechanical relays.
It is an output device that is turned on whenever there is a transition in the relay. It will be turned on for a couple of seconds whenever the relay is turned on or off.
What Technology Uses Automatic Street Lights?
Automatic street light working is currently a demand for more energy-efficient lighting sources; nevertheless, the basic qualities of light output by different lighting systems differ in primary properties such as intensity, propagation direction, and wavelength spectrum. These lights are wireless and pretty useful. These lights use LDR technology and are mostly used on roads, highways, parks, recreational areas, universities, schools, etc. With this, you should have understood what technology uses automatic street lights. After this, let’s go through the conclusion of automatic street light.
What is the Conclusion of Automatic Street Light?
Well lastly in conclusion to automatic street light working I just want to add that it is the most cost-effective, practical, eco-friendly, and secure solution to save electricity. It effectively addresses the two concerns that the world is facing today: energy conservation and the disposal of incandescent bulbs. According to statistics, you can save more than 40% of the electrical energy that motorways currently utilize.
LEDs have a long lifespan, emit cool light, contain no harmful materials, and can be used for quick switching. Considering the long-term benefits and the initial cost would never be an issue because the investment return period is quite short.
With advances in science and technology, the future of automatic street lights seems promising. Power demand has a wide range of consequences on human life. It is not only important but also necessary, to identify strategies to save power in order to avoid depleting resources. Switching to a smart automatic street light system will also reduce electricity waste, which is a problem with traditional street lights.
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