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International Research Journal
of Engineering and Technology (IRJET) e-ISSN: 2395 -0056 Volume: 04 Issue: 03 | Mar -2017 www.irjet.net p-ISSN: 2395-0072 © 2017, IRJET | Impact Factor value: 5.181 | ISO 9001:2008 Certified Journal | Page 1195 HYBRID COOLER Dipali Warhade,Kanchan Gujarmare,Priyanka Gadpale,Sunayana Somkuwar Department of Electrical,VidyaNniketan College of Engineering &tech, Rashtrasant Tukdoji Maharaj University, Nagpur ---------------------------------------------------------------------***--------------------------------------------------------------------- INRTODUCTION Solar energy is radiant light and heat from the Sun that is harnessed using a range of ever-evolving technologies such assolar heating, photovoltaics, solar thermal energy, solar architecture, molten salt power plants and artificial photosynthesis The human body can be considered as thermal machinewith20%thermal efficiency.The remaining 80% heat must be disposed off from the body to the surroundings otherwise accumulation of heat results and causes discomfort. The human body works best at a particular body temperature like any other machine but cannot tolerate wide range of variation in environmental temperature like thermodynamic machines. AIMS AND OBJECTIVES Here will a solar panel which will give the output to the battery but sometimes there might be an increase in the intensity of the sunlight so there is a possibility of having damage to the battery.So here controller circuit will be used to provide constant voltage to the battery even when the intensity of the sunlight is high because when the intensityis high the solar panel will give double the voltage than it is required by the battery.This circuit will run pump and there will be filters attached to the pump.A charge controller, charge regulator or battery regulator limits the rate atwhich currents added to or drawn from electricbatteries. It prevents overcharging and may prevent against overvoltage, which can reduce battery performance or lifespan, and may pose a safety risk.It may also prevent completely draining ("deep discharging") a battery, or perform controlled discharges, depending on the battery technology, to protect battery life.The terms "charge controller" or "charge regulator" may refer to either a stand- alone device, or to control circuitry integrated within a battery pack, battery-powered device, or battery recharger. NEED OF SOLAR COOLER Human beings give off heat, around an average of 100 kcal per hour per person, due to what is known as ‘metabolism’. The temperature mechanism within the human body maintains a body temperature of around 36.9 degree C (98.4degree F). But the skin temperature varies according to the surrounding temperature and relative humidity.Fuel deposit in the will soon deplete by the end of 2020, fuel scarcity will be maximum. Country like India may not have the chance to use petroleum products. Keeping this dangerous situation in mind we tried to make use of non- pollutant natural resource of petrol energy. DIRECT METHOD OF UTILIZATION OFSOLARENERGY The most useful way of harnessing solar energy isbydirectly converting it into electricity by means of solar photo-voltaic cells. Sunshine is incident on Solar cells, in this system of energy Conversion that is directconversionofsolarradiation into electricity. In the stage of conversion into thermodynamic from is absent. The photo-voltaic effect is defined as the generation of an electromotive force as a result of the absorption of ionizing radiation. Energy conversion devices, which are used to convert sunlight to electricity by use of the photo- voltaic effect, are called solar cells. PHOTOVOLTAICPRINCIPLES The photo-voltaic effect can be observed in nature in a variety of materials that have shown that the best performance in sunlight is the semiconductors as stated above. When photons from the sun are absorbed in a semiconductor, that create free electrons with higher energies than the created there must be an electric field to induce these higher energy electrons to flow out of the semi- conductor to do useful work. A junction of materials, which have different electrical properties,providesthe electricfield in most solar cells.
2.
International Research Journal
of Engineering and Technology (IRJET) e-ISSN: 2395 -0056 Volume: 04 Issue: 03 | Mar -2017 www.irjet.net p-ISSN: 2395-0072 © 2017, IRJET | Impact Factor value: 5.181 | ISO 9001:2008 Certified Journal | Page 1196 BLOCK DIAGRAM FIG.SOLAR COOLER PARAMETERS DISCRIPTION BRUSHLESS DC FAN Brushless dc fan are ususlly available at 3 nominal voltages.12 v,24 v and 48v.if the selected which will give the exact performance required.Becausethespeedandairflowof a typical DC fan is proportional to the voltage supplied to desired airflow.The voltage range that may be applied to the fan to assured satisfactory operation is depend 12 -56 v for 48 units. CONTROLLER CIRCUIT Controller circuit can be constructed of discretecomponents connected by individual pieces of wire, but today it is much more common to create interconnection by photolithographic technique.An electronic controller circuit can usually be categorized as an analog circuit and digital circuit or a mixed-signal circuit. SOLAR PANEL Solar panel reference to a panel design to absorb the sun rays as a source of energy for generating electricity. A photovoltaic module is package assembly of typically 6*10 solar cells. Solar photovoltaic Panel constitute the solar array of photovoltaic system that generate and supplies solar electricity in commercial and residencial. WATER PUMP Some homes have a large water tank on high, then Pumping up the put on hold. When you want to use, just to turn on the tap at the bottom. It does not require all time electricity and also high water pressure. But over here we will run the cooler pump on solar energy.Automatic pump controller circuit can automatically switch ON and OFF the domestic the main advantage of this cooler pump controller circuit is that it automatically controls the water pump without any user interaction.No human effort is required for switching on and off the pump of cooler every time for saving the water. Controller has been provided with two flip flops for the two sensor probes and each two probes to probes to monitor its status.Controller has been provided with two flip flops for the two sensor probes and each two probes to probes to monitor its status. WORKING Through the solar panel battery will be charged.The pump controller circuit will runon batteryandthesensorsattached will sense the level of water in the tank and the motor pump will be on as the level of water goes down and the pump will be off when the tank level is full.The dc fan will continuously run on battery.This will give effective solar energy on the panel and it will boost the charging the battery.The charge controller circuit will protect the battery from damage and also the solar panel. OBJECTIVE OF THE PROJECT To make aware of non conventional energy sourcestoreduce environmental pollutions. This product preferably suitable for villages, because they face lot of power cut problems in summer (around 12 to 14 hrs in day). And for offices and schools which runs in day to which save energy. As air- conditioning and refrigeration consumes more power and mainly cost of refrigerating andairconditioning products are very high. So would like develop product which runsbysolar energy and provide cooling effect for house hold food items at lower cost.
3.
International Research Journal
of Engineering and Technology (IRJET) e-ISSN: 2395 -0056 Volume: 04 Issue: 03 | Mar -2017 www.irjet.net p-ISSN: 2395-0072 © 2017, IRJET | Impact Factor value: 5.181 | ISO 9001:2008 Certified Journal | Page 1197 WORKING OF SOLAR CHARGE CONTROLLER The two diodes are attached to positive line to convert ac volt to dc if any, solar gets damaged or its chemical properties is not good the solar panel will supply impure dc so for removing impurity the diodes are attached. Pure positive dc volt will be supplied. The r1 resistance will supply voltage to the 555 timer ic and ic will be on there is ac1 capacitor attached that will purify the volt and will supply it to gnd that means the pure negative voltage will be there. Another part there is 8 volt zener diode attached that means the voltage coming from the main supplythezenerdiode will bypass the voltage to gnd not more 8 volt that is why the zener diode of 8 volt is connected to gnd. The 2 nd no. Pin of 555 timers ic is triggering pin that will pass the timing pulse to the gnd and the ceramic capacitor is attached. The base of transistor the r4 resistance is attached for switching on the transistor. The next zener diode is attached so that positive voltage coming from vcc it should not be more than 8 volt dc and the single 4007 no. Diode is attached. During night time the battery will discharge and the battery will supply the reverse volt towards the solar panel so for stopping the reverse volt. Automatic pump on off system There will be sensor wires attached on the bottom of the cooler water tank and another sensor will be attached at the upper portion of the net of the cooler. The upper sensor will detect that the net of the cooler is dry then the pump will automatically on and it will be in the same position till the net is filled with water orwetandit will soon switch off the pump. The high speed brush less fan DC volt denoting in block diagram as solar cooler is also installed. Advantages This process of on off will work continuously. No need for manual switching. This process or system will save water instead of keeping the pump in on mode till the water is over. This system will help in saving the water as it will work on timely condition as detected by the sensor. This will also save electricity fromthe batteryasthis system is also running on solar energy. DISADVANTAGE Installation cost will be high but one time. APPLICATIONS • Will be used as summer ac. • Summer cooler. FUTURE SCOPE Solar tracking function can be installedwherethesolarpanel can be moved from left to right as per the suns direction. This circuit can improved by installing the high quality and industrial, based components for increasing the solar panel capacity and also for running the high current rating components so that the desert cooler or for the industrial application solar based ducting mechanismcanbe run easily. CONCLUSION So as comparing the cost of this product with the existing products in the market is, solar Product appeals better and affordable by Common people. This solar product perfectly Suits for villages, schools and offices and thus Prevention from the power cut problems.It comprisesofmanyattractive features such as Usage of solar energy, cooler and cooling cabin At lower cost. The above method is eco friendly And natural, electricity savers.Durability of our product is more thus Minimizing the cost. No electricity is spent so this product saves the energy and saves Environment from getting polluted. R1 1K D2 IN4002 IC 555 R5 1K SOLARCELL D3 IN4002 C4 220U 35 V Q1 BC547 R4 1K8 48 7 6 2 1 R2 10K R3 56K C2 47 n ZD1 15 V 5 W C1 33U 25 BATTERY 12V ZD2 15V 5 W D1 IN4002
4.
International Research Journal
of Engineering and Technology (IRJET) e-ISSN: 2395 -0056 Volume: 04 Issue: 03 | Mar -2017 www.irjet.net p-ISSN: 2395-0072 © 2017, IRJET | Impact Factor value: 5.181 | ISO 9001:2008 Certified Journal | Page 1198 REFERENCES 1. Alosaimy A S (2013), “Application of Evaporative Air Coolers Coupled with Solar Water Heater for Dehumidification of Indoor Air”, International Journal of Mechanical & Mechatronics Engineering, Vol. 13, No. 01, pp. 60-68. 2. Arora S C and Domkundwar S (1988), “A Course in Power Plant Engineering”, A Text Book. 3. Farhan Khmamas (2012), “Improving the Environmental Cooling for AirCoolersbyUsingtheIndirect-CoolingMethod”, ARPN Journal of Engineering andAppliedSciences,Vol.5,No. 2,pp. 66-73. 4. SERI (1982), “Basic Photovoltaic Principles and Methods”, SERI/SP-290-1448, Solar Information Module 6213. 5. Srinivas Reddy B and Hemachandra Reddy K (2007), “Thermal Engineering Data Hand Book”, I K International Publishing House.
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