47188225 Density Based Street Light Ppt

DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING

2008-2012

SWARNA BHARATHI COLLEGE OF ENGINEERING

APPROVED BY AICTE

AFFLIATED TO JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY-HYD

Maddhulapalli, khammam (ESTD-2006)

MINI PROJECT SEMINAR ONDENSITY BASED STREET LIGHT SWITCHING SYSTEM

Presented byB.SWETHA 08W01A04C5

M.AVINASH 08W01A0472

T.SOWJANYA 08W01A04C0

P.RAJESH 08W01A04A3

Under the guidance of Mr. A. JOSE, M.Tech

ABSTRACT:

The important consideration in the present field of Electronics and Electrical related technologies are Automation, Power consumption and cost effectiveness.

The main goal of our project “Density Based Street Light Switching System” is to control the switching of Street Lights automatically according to the Light Intensity.

In our project we are going to make use microcontroller and LDR which stands for Light Dependent Resistor. The LDR is interfaced with microcontroller.

AGENDA:

AIM PURPOSE MOTIVATION DESCRIPTION BLOCK DIAGRAM HARDWARE DESCRIPTION

1. MICRO CONTROLLER AT89S52

1.1 FEATURES

2. IR TRANSMITTER

3. LDR

4. PHOTO DIODE

5. LED SOFTWARE USED OPERATION OF PROJECT SNAP SHOTS OF PROJECT APPLICATIONS ADVANTAGES FUTURE ASPECTS CONCLUSION

AIM:

The main aim of this project is to design Density Based Street Light Switching system.

PURPOSE:

The main purpose of our project “Density based Street Light Switching” is to control the switching of Street Lights automatically according to the density.

Whenever there is no traffic i.e., the density of traffic is zero, there is no need of street lights to be glow on high ways which saves power consumption. The lights of a particular area glow only when a vehicle enters that area on highways.

To develop the above system we are using Embedded systems (automated system).

MOTIVATION:

DESCRIPTION:

Mostly the roads are one way, so, it will be easy to detect

the vehicles entering into a particular length of road and also that are leaving

the road.

By this we can also calculate the total no. of vehicles that are present

in Particular length o f the road. For this we are using IR sensor. When an

vehicle is entered on to the road the sensor detects the vehicle.

Micro controller

POWER SUPPLY

STREET LIGHTS

LDR

SENSORS

BLOCK DIAGRAM:

HARDWARE USED: POWER SUPPLY MICROCONTROLLER IR TRANSMITTER PHOTO DIODE LDR LEDS

HARDWARE DESCRIPTION:POWER SUPPLY:

A d.c power supply which maintains the output voltage constant

Irrespective of a.c mains fluctuations or load variations is known

as “Regulated D.C Power Supply”

A 5V regulated power supply system as shown above.

MICRO CONTROLLER (AT89S52):

The AT89S52 is a low-power, high-performance CMOS 8-bit

microcontroller with 8K bytes of in-system programmable Flash memory.

• The device is manufactured using Atmel's high-density non-volatile

memory technology.

Microcontroller heart

The Major Features: Compatible with MCS-51 Products 8K Bytes of In-System Programmable (ISP) Flash Memory Endurance: 1000 Write/Erase Cycles 4.0V to 5.5V Operating Range Fully Static Operation: 0 Hz to 33 MHz Three-level Program Memory Lock 256K Internal RAM 32 Programmable I/O Lines 3 16-bit Timer/Counters Eight Interrupt Sources Full Duplex UART Serial Channel Low-power Idle and Power-down Modes Interrupt Recovery from Power-down Mode Watchdog Timer Dual Data Pointer

IR TRANSMITTER:

Here the IR transmitter is like a normal LED but transmits the IR signals.

These are infrared LEDs; the light output is not visible by our eyes. They

can be used as replacement LEDs for remote controls, night vision for

camcorders, invisible beam sensors, etc.

LDR:

LDR is a light dependent resistor which responses according to the external light source.

This can be used for switching purpose and to define day and night.

PHOTODIODE:

Here the photodiode is like a normal LED but receives

the IR signals.

A photodiode is a type of photo detector capable of

converting light into either current or voltage, depending

upon the mode of operation.

LED:

Function

LEDs emit light when an electric current passes through them.

Here, in this project the led are used as Streetlights.

SOFTWARE USED:

Keil software for C programming

Express PCB for lay out design

Express SCH for schematic design

OPERATION OF THE PROJECT:

The IR Transmitter will transmit the IR rays, if these are

not received by IR Receiver. Then it will be noticed that an obstacle will

be detected on the path of IR rays.

This indication will be given as input to the micro controller.

Whenever, this happens, the micro controller will increment the count of

the no. o f vehicles that are detected by IR sensors. And thus the street light

Switches accordingly.

SNAP SHOTS OF PROJECTOFF MODE:

ON POSITION:

OPERATION MODE:

APPLICATIONS:

This system is mainly designed, to apply this in real time power saving

applications in street lights, to reduce the power consumption unnecessarily.

Here, in this system we are using the IR sensors and array of Led’s, interfaced with a micro controller.

Very less no. of components are using here, occupies less space and hence in real time application easily applicable very efficiently.

ADVANTAGES:

Future Enhancement:

The density based street light switching based on sensors is developed for

Reducing the power consumption and to save it.

However it can be enhanced in such a way that, by calculating the

particular time intervals and by interfacing integrated real time clock to

Microcontroller.

For the above project, by using Relays we can control normal lights which are

operating with ac voltage(230v).

Also by calculating the carbon monoxide present in the atmosphere.

CONCLUSION:

The project “DENSITY BASED STREET LIGHT SWITCHING SYSTEM ” has

been successfully designed and tested.

Secondly, using highly advanced IC’s and with the help of growing technology

the project has been successfully implemented.

Any queries……

Thank you……….