Auto cool solar-powered ventilation system

January 25, 2023
Solar System

Solar Powered Vehicle Vent

Last week, I saw an advertising for a solar power driven vent for my car. The product had been promoted to help keep the within of a motor vehicle cooler by pushing from hot stale atmosphere and drawing-in cooler air through the cars very own air vents. I bought one of these simple devices to see if it may work. What a tale. This thing simply does not move sufficient environment. When placed call at the sun's rays, i really could virtually feel some wind originating from it. But, the theory is that, the concept could have some validity.

Whenever subjected to direct sunlight, the inside of an automobile can attain dangerously high conditions. How hot? On a warm summertime time, I placed a wireless temperature sensor in my van. The greatest temperature We have seen up to now had been 147F. That will kill some body if they invested much of anytime inside car. Pets would succumb to these types of heat in a very limited time.

The car Cool automobile vent set up contains a small cell and a brush type engine, driving a squirrel cage type fan. The style is to position the device over an open vehicle window, then roll the screen up, so only the lip of the device stays external. Some rubber gasket product is offered to secure the window, in its somewhat open position.

The solar panel within the vent assessed just 2.1 x 2.1 for an overall total footprint of 4.4 square inches. But, the specific solar cells encapsulated because area sized just 1.1 x 1.65 for a place of 1.82 square ins. This put the fill factor at 41per cent. An 80per cent fill element could have certainly have-been better.

With only 4 solar cells, the panels current measured an expected 2v. The short circuit current, whenever confronted with sunlight, sized about 100ma. So, the readily available power to drive the engine measured only 0.2 watts. Whenever linked straight to a 2 volt DC power supply, the lover engine drew about 50ma. This meant that solar panel puts out more energy compared to motor needs at 2v. I believe that fan motor is really a 6v device with regards to need already been a 3v component. When linked to a 6v offer, the engine drew 250ma of existing and moved more air at a 1.5 watt power level. But, to drive the motor at that style of power degree, a much bigger cell, like the one shown below would-be needed.

6v 250ma cell

The products manual claims that their installation replaces the air inside an average automobile in about 20 mins. I believe to be of every usage, these devices needs to move about ten times more environment than that. That could put the energy amount needed at about 1 watt. Even more would be better still. I imagine a much bigger solar panel, loaded with suction glasses, like panels shown below. It might be attached to the within for the forward windshield of automobile. Wires would link the solar panel for this vent system. Perhaps another option is always to make use of a 12v ranked lover and plug the fan to the automobiles tobacco cigarette lighter power socket. Even during a lengthy 10 hour time, a-1 watt lover will never tax the cars electric battery. Perhaps during a hot summertime time, the mixture of a far more effective ventilation lover and a windshield sunlight shield would keep consitently the within the automobile lots cooler.

3 watt 12v solar power panels

Source: www.discovercircuits.com

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