1 Micro Controller

7/30/2019 1 Micro Controller

1/22

MICROCONTROLLER

BASED INDUSTRIAL

SECURITY SYSTEM


2/22

SUBMITTED BY:

Basudeba Mandal 0701289087Alok Mohanty 0701289093

Rakesh Kumar

Sahoo 0701289095 Soumya Ranjan

Pattnaik 0701289097

Amaresh KumarTripathy 0701289104

Satyam Roy 0701289109


3/22

INTRODUCTION

The security system is one of themajor focus areas in the present socialand industrial environment.

To safe guard the industrial area, themost important aspect to beconsidered is the trespassing, fire andflood.

There are various traditional securitysystems that already exists but therecent systems with embedded

systems are more flexible.


4/22

This security system is quite efficient

and can be implemented in industries,offices and homes.

This project deals with six sensors:

Trespassing.

Vibration Detector.

Over temperature detector.

Water Detector.

Over Current.

Over Voltage.


5/22

BLOCK DIAGRAM OF THE

PROJECT


6/22

POWER SUPPLY CIRCUIT

1k

0-12/1A

230V

50Hz

POWER SUPPLY

2.2K

LED

LED

IN 4007 * 41000uF/35V

+5V

7812 +12V

7805


7/22

TRESPASSING

SENSOR This system consists of two sections:

IR Transmitter

IR Receiver

IR LED is a light source which emits asignal in the range of Infrared region.

The receiver in the opposite end

receives the signal and reports violation

in case any hindrance comes inbetween.

IR source is used as it is invisible in

contrast with the laser source.


8/22

Receiver and Transmitter Block

Diagram

PHOTODIODE

10k

VCC=+5V

15k

10K-200K

10k

LED

47k

CONDN.

SIGNAL

IR

DIODE

IR

DIODE

10K

-

+

LM393

3

2

1

8

4

P3.4

150E/2W

VCC=+12V

470E

BC547

IR RECEIVER

BC547

VCC=+12V

IR TRANSMITTER


9/22

VIBRATION DETECTOR

Here for the earthquake or any other vibration dueto any disturbance of the machines, we have takena vibration sensor which is nothing but apiezoelectric sensorwhich detects the vibration

which occurs due to machines. Piezoelectric sensor is nothing but a transducer

which converts mechanical vibration ormechanical stress into an electrical signal and that

signal is very weak, for that we need an amplifierto amplify the weak signal which is done by theinverting amplifier.


10/22

BLOCK DIAGRAM OF

VIBRATION SENSOR

piezo sensor

+

-

LM324

2

3

1

4

11

BC547

VCC

o/p

VCC

68k

LED

1k

100k

1k

Vibration detecting ckt


11/22

OVER TEMPERATURE

DETECTOR In this section our aim is to detect over

temperature, for that we need a temperaturesensor (THERMISTOR) which is a N.T.C typefor sensing the temperature.

Thermister is a transducer which is used toconvert temperature to the correspondingvoltage.

To compare the temperature we need an OP-

AMP which is configured as an voltagecomparator (LM393) which compares the twoinput voltage and gives the correspondingoutput according to the temperature.


12/22

10K

10k

Vcc =+12V

470E

68k

10k

OVER TEMPERATURE DETECTOR

BC547

LM393

1

3

2

8

4

OUT

+

-

V+

V-

15k

Vcc =+12V

1.5k

10K

Vcc =+5V

LED

BC547

10kTHERMISTER


13/22

WATER DETECTOR

In our project, the water level detector itwill indicate the level of the water but atthe same time it will ON/OFF the motor.

Whenever the water level goes abovethe upper level of the tank, the motor willautomatically stops and it will indicatethe level of the water with a audible

sound. Similarly, when ever the water level goes

below the lower level of the tank, themotor will automatically ON and it will

indicate the level of the water.


14/22

BLOCK DIAGRAM OF WATER

LEVEL DETECTOR

BC547

WATER TANK

VCC=+5v

1.5k

10k

OUTPUT

VCC=+5v


15/22

OVER CURRENT

DETECTOR This is a circuit designed to detect

over current with a special type of CT

is used to detect very low current. The

output of this CT is an AC voltageproportional to the load current.

In this CT the primary coil is one turn

and secondary is 200turn. If the loadvaries, the CT output also varies in

accordance with the load current.


16/22

BLOCK DIAGRAM

OVER CURRENT

LED

VCC=+12V

N

15k

BC547

470E

10k

C . T

P

100uF

LM393

1

3

2

8

4

OUT

+

-

Vcc

gnd

10k

SIGNAL COND..(P2.5)

68k

10k

LOAD

VCC=+12V

10k

IN4007


17/22

OVER VOLTAGE SENSOR

In this section our aim is to detect the linevarying voltage.

The DC voltage after the rectifier isapproximately Vm due to the charging of thecapacitor, this capacitor voltage representsthe line voltage.

The time constant of the circuit is defined byC*RL which must be more then five times ofthe time period of the signal.

RC>5T. If the RC value is less the 5T then the sample

voltage fluctuates unnecessarily, if the RCvalue is too high the sampling response

becomes too slow.


18/22

BLOCK DIAGRAM OF OVER

VOLTAGE DETECTOR

15k

68k

BC547

10k

VCC

o/p

VCC

over voltage comparator

LED

from samplingvoltage

330e

-

+

LM393

3

2

1

8

4

R2


19/22

10uF

SYNC.

MOTHER BOARD

FROM SIGNAL COND.

Vcc =+5V

D

A

RST

11.059MHz

B

8.2k

C

AT89C51

9

18

19

29

30

31

1

2

3

4

5

6

7

8

21

22

23

24

25

26

27

28

10

11

12

13

14

15

16

17

39

38

37

36

35

34

33

32

RST

XTAL2

XTAL1

PSEN

ALE/PROG

EA/VPP

P1.0

P1.1

P1.2

P1.3

P1.4

P1.5

P1.6

P1.7

P2.0/A8

P2.1/A9

P2.2/A10

P2.3/A11

P2.4/A12

P2.5/A13

P2.6/A14

P2.7/A15

P3.0/RXD

P3.1/TXD

P3.2/INT0

P3.3/INT1

P3.4/T0

P3.5/T1

P3.6/WR

P3.7/RD

P0.0/AD0

P0.1/AD1

P0.2/AD2

P0.3/AD3

P0.4/AD4

P0.5/AD5

P0.6/AD6

P0.7/AD7

22pF

22pF

TO LED INDICATOR TO RELAY DRIVER


20/22

FUTURE ASPECTS AND

CONCLUSION This project can be further expanded

to be interfaced to LAN and Internet.This system can be interfaced to theInternet so, that the security aspectcan be observed and warned throughthe internet access.

This project has functioned

satisfactorily in the laboratorycondition and with slight modificationcan be made suitable to work inoutdoor conditions.


21/22

REFERENCES

[1]. White, M. H, Deffoe, L. E. and Furlani, K. M.,Industrial security norms and findings Proc., 4thASCE Specialty Conference and Exposition/Demonstration on Robotics for ChallengingSituations and Environments, pp. 96-103,

Albuquerque, New Mexico, Feb. 27 Mar.2,2000.

[2]. Stewart, D., A Platform with completeindustrial security , Proc. of the Inst. ofElectronics Engineering, Volume 180(15), Part

I:371-386, 1965-1966.[3]. Albus, J. S., Bostelman, R. V., Dagalakis, N. G.,Sensor working and its principles, Journal ofElectronics Systems, July 1992

[4]. Thomas, Y. J., Fithian, J. E., and Deisenroth,

M. P., A report on the Embedded System. (5)1996.


22/22

THANK YOU

1 Micro Controller

Documents

Transcript of 1 Micro Controller