21

Portable Refrigerator Engineering design project

Embed Size (px)

DESCRIPTION

Portable fridge ( peltier cooler ) undergraduate Design project SLIIT Faculty of Engineering

Citation preview

Page 1: Portable Refrigerator Engineering design project
Page 2: Portable Refrigerator Engineering design project

GROUP MEMBERS

• EKANAYAKE E.M.D

• KAUSHALYA S.A.D.T.P

• SUDUSINGHE I.S.P

• RAJEVAN G.

• RATNARAJAH J.T

Page 3: Portable Refrigerator Engineering design project

PROBLEM STATEMENT

People like doing outdoor activities such as picnic, fishing and for medical purpose which is to deliver medicine to village. They need

a Portable Refrigerator to keep cooling their food or medicine.

Page 4: Portable Refrigerator Engineering design project

OUR TEAM OBJECTIVE

• Focused on designing and fabricates a mini DC Portable Refrigerator which is powered by battery which can be

can be useful application in outdoor activities such as,• Picnics

• Sports

• Vehicles

Page 5: Portable Refrigerator Engineering design project
Page 6: Portable Refrigerator Engineering design project

MINDMAP

Portable Fridge

Decision

Making

Finalizing

Shape

Materials

Structure

Smaller

Size

Portable

Easy to

handle

Advantages Durable

Low

Cost

Works

Efficiently

Small in

size

Reliable

Price

Calculation

Material

Cost

Labor

Cost

Profit

Problems

Power

Supply

Loose

Connection

s

Limited

Space

Disadvantages

Limited

space

Temperature

cannot be

controlled

No

Freezer

Page 7: Portable Refrigerator Engineering design project

OBJECTIVE TREE

Page 8: Portable Refrigerator Engineering design project
Page 9: Portable Refrigerator Engineering design project

CIRCUIT DIAGRAM

Page 10: Portable Refrigerator Engineering design project

PROCESS FLOW CHART

Brainstorming

Start

Understanding Project Title

Choosing the Circuit

Literature Reviews

Listing and Ordering of

Parts

Building Circuits

Run Test Analyzing

Submit Technical

Report

Diagnose & Troubleshooting

ENDFridge Cooling

Not Working

Page 11: Portable Refrigerator Engineering design project

CAUSES OF FAULTY

Machines Materials

Methods People Environment

Poor

Refrigeration

Performance

Voltage is

too low

Loose connections

from battery to

fridge

Defects in the

Peltier Cooler

Problems

with the

Fuse

Battery is

dead

Lid seal is

damaged

Poor

ventilation

around the

fridge

Careless

handling

Lack of

Maintenance

Extreme

Weather

conditions

Temperature

of the food

put inside is

too high

Variation of

the fan speed

Page 12: Portable Refrigerator Engineering design project
Page 13: Portable Refrigerator Engineering design project
Page 14: Portable Refrigerator Engineering design project

7P’S MARKETINGPrice

Place

Process

People

Product

Promotions

Physical Evidence

Page 15: Portable Refrigerator Engineering design project

7P’S MARKETINGPhysical evidence

Place

Process

PeopleProduct

Promotions

Price

Page 16: Portable Refrigerator Engineering design project

Portable Fridge Enhanced with Peltier Cooler Technology

Ideal for a Cold Storage of• Foods & Beverages• Drugs• Beauty care

Products

Are u looking For a movable

Cool Box ???

Introductory Price : Rs 2000/=

Page 17: Portable Refrigerator Engineering design project
Page 18: Portable Refrigerator Engineering design project

PROJECT BUDGET

Total Funding for the Project

Expense Type of Expense Cost

Peltier Circuit

Rs. 500

Regiform Box

Rs. 300

Fan

Rs. 500

Heat sink

Rs. 450

Magnets

Rs. 100

12V Battery

Rs. 300

Total Project Expense Rs. 2150

Page 19: Portable Refrigerator Engineering design project

BUDGET & COSTS & PROFITS

• The full system’s costs at test phase was close to 2150/-

• But under mass scale production of the system can bring down this to a price as low as 1800/-

• So we proposed that our Portable Refrigerator can be sell in to the market at a 2000/-

Page 20: Portable Refrigerator Engineering design project

TEAM REFLECTIONS

Overall we must say that looking back at our achievements, we think it was worth the time and effort and

was not bad at all. During this project, We have learned a lot of things ;

• Skills of organizing ideas

• Respecting others ideas

• Team co-ordination skills

• Technical stuff in a Fridge

• Report writing skills

• Presentation skills

• How to deal with friends of different ethnics

• Time-management

Page 21: Portable Refrigerator Engineering design project