JPS5911770Y2 - automotive ventilation system - Google Patents

Description

[Detailed explanation of the idea] This invention relates to a ventilation system for automobiles.

If a car is parked for a long time, especially in the summer, the indoor temperature will rise abnormally due to direct sunlight.

As a result, there have been tragic cases of infants sleeping in cars dying due to the heat.

Furthermore, when a vehicle is parked for a long time and left unattended, the driver often feels uncomfortable due to the high temperature inside the vehicle.

To solve this problem, a device is required that takes in outside air from the outside of a closed, parked car and ventilates and cools the inside of the car.

The most problematic aspect of this ventilation system is the power supply that drives the ventilation system.

If the vehicle is parked for a short period of time, the battery installed in the vehicle can be used as a power source to drive the ventilation system, but if the ventilation system is operated for a long period of time, various problems may occur, such as the inability to start the vehicle due to battery discharge. Undesirable.

The present invention aims to solve the above-mentioned problems and to enable the ventilation system to be driven without using the on-board battery even when the vehicle is parked.

According to the present invention, the above purpose is to install a solar cell installed on a transparent sliding ceiling panel of an automobile with a space between the panel and an electric fan for ventilation that is driven by the solar cell as a power source. This can be achieved by including a circulating electric fan that is driven by the battery and circulates air in the space between the ceiling plate and the solar cell.

Examples of this invention will be described below based on the drawings.

FIG. 1 is a top plan view of an automobile equipped with a ventilation system according to an embodiment of the present invention, and FIG. 2 is a side view (partially sectional view) of the same.

In the figure, the ceiling panel 1 of an automobile with a sliding ceiling panel includes a glass plate 2 and a solar cell 3.

A space 4 exists between the glass plate 2 and the solar cell 3.

Moreover, the solar cell 3 has a circulation hole 5 at its center.

This circulation hole 5 is provided with a circulation electric fan 6.

Reference numeral 7 denotes a sliding mechanism for the ceiling plate 1, which allows the ceiling to be opened by sliding the ceiling plate 1 in the direction of the solid arrow if necessary while the vehicle is running.

Reference numeral 8 denotes an electric fan for sucking outside air, which is provided in an air intake duct 10 connected to outside air intake ports 9 on the left and right sides of the front of the vehicle.

Indoor air is exhausted through exhaust ports 11 located on the left and right sides of the rear of the vehicle.

The electric fans 6 and 8 used in the present invention may be small electric fans with low power consumption of about 4W.

Assuming that two electric fans are used for sucking outside air and one electric fan is used for circulation, the total power required is 12W.

If this power is supplied using, for example, an amorphous silicon solar cell, the battery will generate an output of approximately 0.18 W per 100cm111" area under 100,000 lux of sunlight, so the approximately 12W required to drive the electric fan is In order to obtain the output of , a total area of 6600 cm'' is required.

This area is within the area that can be adequately covered by a sliding ceiling panel.

Next, the operation of this ventilation system will be described. The solar cell 3 generates an electromotive force due to the sunlight transmitted through the glass plate 2 of the sliding ceiling plate 1, which drives the electric fans 6 and 8.

The outside air sucked into the vehicle interior by the drive of the outside air suction electric fan 8 passes through the interior of the vehicle as shown by the dashed line and is discharged from the exhaust port 11 at the rear of the vehicle.

At this time, a portion of the air flows into the space 4 through the circulation hole 5 by driving the electric circulation fan 6 to cool the solar radio waves 3.

Thereby, it is possible to prevent a decrease in the output of the solar cell 3 and a shortening of its lifespan (generally, when the ambient temperature of a solar cell increases, the output thereof decreases and its lifespan is shortened).

As is clear from the above-described structure, according to the present invention, ventilation is performed using a solar cell as a driving power source in a closed car, thereby preventing the temperature inside the car from rising.

Furthermore, since the solar cells are installed on a sliding ceiling panel, there is no need to modify the vehicle itself.

[Brief explanation of the drawing]

FIG. 1 is a top plan view of an automobile equipped with a ventilation system according to an embodiment of the present invention, and FIG. 2 is a side view (partially sectional view) of the same. 1...Sliding ceiling board, 3...Solar battery, 6,8...Electric fan.

Claims (1)

[Scope of utility model registration request] A solar cell installed on a transparent sliding ceiling panel of an automobile with a space between the panel and the panel; an electric ventilation fan driven by the solar battery as a power source; and a ceiling panel driven by the battery. and a circulation electric fan that circulates air in a space between the solar cells and the solar cells.