JPH0995124A - Ventilating method for car-cabin and ventilating device using the ventilating method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the inside of a cabine of a car parked in an outdoor parking area exposed to the schorching heat of the sun from heating up. SOLUTION: An electric exhaust fan 10 is arranged at a vent 20 connecting the inside 120 of a cabin to the outside. A sollar battery 30 is provided on the place of a car which is exposed to the sunlight. The sollar battery 30 acts as a power source to rotate the exhaust fan 10. The air in the cabin 120 is continuously, efficiently and forcedly replaced with the outside air through the vent 20 in large quantity. Thus, the temperature of the inside 120 of the cabin is maintained at level near the temperature of the outside air continuously.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation method for ventilating an interior of an automobile and a ventilation device for the interior of the automobile used in the method.

[0002]

2. Description of the Related Art Generally, an automobile is provided with a vent hole in its dashboard or the like. The fresh air outside the vehicle can be taken into the vehicle interior through the vent.

By the way, the amount of outside air taken into the interior of the automobile through natural ventilation through the above-mentioned ventilation port is very small compared to the amount of air inside the automobile.

Therefore, if the vehicle is kept in the outdoor parking lot for a long time in a hot sun in summer with the windows closed, the temperature of the interior of the vehicle becomes higher than 50 degrees.

Therefore, when the vehicle is stopped in the hot sun, the driver usually opens the door window widely before starting the vehicle. Then, the engine is operated and the engine is idling, and the air conditioner of the automobile is kept on. Then, the hot air inside the room is replaced with the outside air outside the vehicle. Then, the interior of the automobile is cooled by the cooling device.

[0006]

However, when the vehicle interior is cooled by the cooling device as described above, the fuel for keeping the engine idling and the fuel for operating the cooling device are wasted. It has been consumed.

[0007] Further, the driver had to get into a high temperature vehicle compartment before starting the vehicle, and at that time, he felt uncomfortable.

[0008] Further, heat-sensitive articles such as plastic products placed in the interior of an automobile which has been kept in a high temperature after being kept in the hot sun are deformed or deteriorated.

In order to prevent the temperature of the interior of the automobile from becoming high, it is conceivable to stop the automobile in an outdoor parking lot or the like under the scorching sun with the door window wide open.

However, in such a case,
If the door is opened, the inside of the car will be ruined, or the items placed inside will be stolen.

The present invention has been made in view of the above problems, and is a method for ventilating an interior of a vehicle which can prevent the interior of the vehicle placed in an outdoor parking lot under the hot sun from becoming hot. Hereinafter, it is intended to provide a ventilation method) and a ventilation device (hereinafter, referred to as a ventilation device) for an automobile used in the method.

[0012]

In order to achieve the above object, the ventilation method of the present invention uses a solar cell provided in a place exposed to sunlight of a vehicle as a power source to connect a vehicle interior and a vehicle exterior with a ventilation port. It is characterized in that the electric exhaust fan provided in is rotated to ventilate the interior of the automobile through the vent hole.

In this ventilation method, the electric exhaust fan provided in the ventilation port can be rotated by using the electric power obtained by the solar cell. Then, by using the exhaust fan, a large amount of air in the vehicle interior can be continuously exhausted to the outside of the vehicle through the ventilation hole. Then, the air inside the automobile can be efficiently exchanged in large quantities with the outside air outside the vehicle. Then, the interior of the automobile can be maintained in a state close to the outside air temperature outside the automobile.

The ventilator of the present invention has an electric exhaust fan provided at a vent for communicating the interior and exterior of an automobile, a solar battery provided at a location exposed to sunlight in the automobile, and electric power obtained by the battery. A temperature sensor that stores electric power and a temperature sensor that rotates the exhaust fan by supplying electric power from the electric storage device to the exhaust fan when the temperature of the interior of the vehicle becomes high. It is characterized by comprising a temperature sensor for stopping the supply of electric power from the electric storage device to the exhaust fan when the electric power is lowered, and a switch for performing ON / OFF operation of electric power supplied from the electric storage device to the exhaust fan. .

In this ventilator, when the vehicle is placed in an outdoor parking lot under the hot sun, the switch is kept in the ON state so that the temperature sensor operates when the temperature in the vehicle becomes high, The electric exhaust fan provided in the ventilation port is supplied with the electric power obtained by the solar cell and stored in the electric storage device. Then, the exhaust fan rotates, and the air in the vehicle compartment is forcibly and efficiently exhausted to the outside of the vehicle in a large amount through the vent hole. Then, the inside of the automobile falls to a state close to the outside temperature.

Also, after the temperature inside the automobile has dropped to a temperature close to the outside temperature, the temperature sensor is re-activated, and the electric power supplied from the electric storage device to the electric exhaust fan is stopped. Then, the rotation of the exhaust fan stops. Then, it is possible to prevent the electric power accumulated in the electric storage device from being consumed wastefully.

After that, the above operation is repeated, and the interior of the automobile is kept at a temperature close to the outside temperature.

When an automobile is placed in an outdoor parking lot or the like under the scorching sun, electric power is generated by solar energy obtained from the sunlight in a solar cell provided in a portion of the automobile exposed to sunlight. Then, the electric power is continuously accumulated in the electric storage device. Then, since the electric power is continuously supplied to the exhaust fan, the electric power can be continuously supplied to the power storage device whose electric power amount is decreasing.

When the vehicle air conditioner is operated to start a vehicle placed in an outdoor parking lot under hot weather, the switch is turned off,
The power supplied from the battery to the exhaust fan is stopped.
Then, the rotation of the exhaust fan is stopped. Then, the air in the vehicle compartment cooled by the cooling device is prevented from being continuously exhausted to the outside of the vehicle by the exhaust fan through the vent hole.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. 1 and 2 show a preferred embodiment of a ventilation device of the present invention, and FIG. 1 is a schematic structural explanatory view thereof, and FIG.
FIG. 3 is an explanatory diagram of a circuit structure thereof. The ventilator will be described below.

In the figure, 10 is an electric exhaust fan. The exhaust fan 10 is formed of an impeller 12 and an electric motor 14 that rotates the impeller 12.

The exhaust fan 10 is provided in a ventilation port 20 that connects the interior 120 of the automobile and the outside of the automobile.

Specifically, as shown in FIG. 1, the exhaust fan 10 is installed on the shelf board 10 behind the rear seat in the vehicle.
It is provided in the inner part of the ventilation port 20 opened to 0 through a support arm (not shown). The ventilation port 20 is a duct 22.
And the vent hole 24 opened in the chassis bottom portion 140 of the automobile to communicate with the outside of the automobile.

Reference numeral 30 is a solar cell. Solar cell 30
Is the outer surface of the ceiling 160 of the vehicle, the rear window 1
70 inside the vehicle (in the figure, the ceiling 160 of the vehicle)
The outer surface of the car) and other places exposed to the sunlight of the car.

Reference numeral 40 is a battery that stores the electric power generated by the solar cell 30. The power storage device 40 is provided inside the rear part of the vehicle. Then, the electric power obtained by the solar cell 30 is stored in the battery 40.

Reference numeral 50 is a temperature sensor. The temperature sensor 50 is provided at a location where it is easy to sense the temperature of the automobile interior 120. Then, when the temperature inside the automobile interior 120 reaches a high temperature of 50 degrees or more, the temperature sensor 50 operates to supply electric power from the battery 40 to the exhaust fan 10. Further, when the temperature inside the vehicle interior 120 is lowered to a temperature close to the outside air temperature, the temperature sensor 50 is re-activated to stop the power supply from the power storage device 40 to the exhaust fan 10.

Reference numeral 60 is a switch. Switch 60
Are provided on the dashboard 180 and the like in the vehicle compartment. The driver can easily perform the ON / OFF operation of the switch 60. And switch 6
When 0 is turned on, the exhaust fan 1
0 is supplied with electric power. Further, when the switch 60 is turned off, the power supply from the power storage device 40 to the exhaust fan 10 is stopped.

The exhaust fan 10, the solar cell 30, the storage battery 40, the temperature sensor 50, and the switch 60 are electrically connected to each other via a wiring circuit 70, as shown in FIG. .

The ventilation device shown in FIGS. 1 and 2 is configured as described above.

Next, an example of use of this ventilation device and its operation, that is, a method of ventilating the interior of an automobile by the ventilation method of the present invention will be described.

When the vehicle is placed in an outdoor parking lot or the like under the scorching sun, the switch 60 is turned on.

Then, the temperature sensor 50 is activated when the temperature of the interior 120 of the automobile reaches a high temperature such as 50 degrees or more. The solar battery 30 is attached to the electric exhaust fan 10.
The electric power obtained in step 1 and stored in the battery 40 is continuously supplied. Then, the exhaust fan 10 rotates and the air in the vehicle interior 120 is continuously and efficiently exhausted to the outside of the vehicle in a large amount through the vent 20. Then, the air inside the vehicle interior 120 can be efficiently exchanged with the outside air outside the vehicle. Then, the interior 120 of the automobile falls to a state close to the outside temperature.

Further, after the temperature inside the automobile interior 120 has dropped to a state close to the outside temperature, the temperature sensor 50 is reactivated,
The electric power supplied from the battery 40 to the electric exhaust fan 10 is stopped. Then, the rotation of the exhaust fan 10 is stopped, and the electric power accumulated in the electric storage device 40 is prevented from being wasted.

After that, the above operation is repeated, and the interior 120 of the automobile is kept in a state close to the outside temperature.

As described above, the vehicle interior 12
When replacing 0 air with outside air, the dashboard 18
It is preferable that the vent hole 26 provided at 0 or the like is opened widely. Alternatively, it is better to open the window of the door narrowly. Then, while continuously continuously sucking a large amount of outside air into the vehicle interior 120 through the vent hole 26 or the narrowly opened portion of the window, the exhaust fan 10 allows the air in the vehicle interior 120 to be efficiently discharged outside the vehicle through the vent hole 20. It is good to keep discharging. Then, the automobile interior 120
It is advisable to exchange the air in the air with the outside air efficiently and quickly.

Further, as described above, when the vehicle is placed in an outdoor parking lot or the like under the scorching sun, solar energy is continuously supplied to the solar cell 30 provided in a place exposed to the sunlight of the vehicle, Electricity continues to be generated. Then, the electric power is continuously accumulated in the electric storage device 40. Then, since the exhaust fan 10 is continuously supplied with electric power, the electric power is continuously supplied to the electric storage pack 40 whose electric power amount is decreasing. Then, it is possible to prevent the exhaust fan 10 from falling into a non-rotatable state due to a decrease in the electric power amount of the battery 40.

When the vehicle placed in an outdoor parking lot under hot weather is started, the switch 60 is turned off. Then, the engine of the automobile is operated, and the air conditioner of the automobile is continuously driven while keeping the engine idling.

Then, the power supplied from the battery 40 to the exhaust fan 10 is stopped by the switch 60. Then, the rotation of the exhaust fan 10 is stopped. Then, the air in the automobile interior 120 cooled by the cooling device is used as the ventilation port 2
Through 0, a large amount of exhaust to the outside of the vehicle is prevented. Then, the vehicle interior 120 is efficiently and promptly cooled by the cooling device.

In the ventilator of the present invention, the exhaust fan 10 may be provided inside the existing vent hole 26 provided in the dashboard 180 or the like. Then, when the vehicle is placed in an outdoor parking lot or the like under the scorching sun, the exhaust fan 10 is rotated by the ventilation method of the present invention, and the heated air in the vehicle interior 120 is discharged to the outside of the vehicle through the vent hole 26. The outside air may be taken into the vehicle interior 120 through a window of a narrowly opened door while continuously discharging the air. Then, the vehicle interior 120 may be lowered to a state close to the outside temperature.

[0040]

As described above, if the ventilation system of the present invention is used to ventilate the interior of an automobile by using the ventilation system of the present invention, it is placed in an outdoor parking lot or the like under the hot sun using solar energy. It is possible to prevent the temperature inside the automobile from becoming high.

Before starting a vehicle placed in an outdoor parking lot under hot weather, the engine of the vehicle is kept idle for a long time, or the air conditioner of the vehicle is continuously operated for a long time to waste fuel. You can prevent it from being consumed.

Further, it is possible to prevent a driver or the like who gets into an automobile room placed in an outdoor parking lot or the like under the scorching sun from being discomforted by the high temperature hot air in the automobile room.

Furthermore, it is possible to prevent deformation or damage of heat-sensitive articles such as plastic products placed in the interior of an automobile parked in an outdoor parking lot under hot weather.

[Brief description of drawings]

FIG. 1 is a schematic structural explanatory view of an automobile provided with a ventilation device of the present invention.

FIG. 2 is an explanatory diagram of a circuit structure of the ventilation device of the present invention.

[Explanation of symbols]

 10 Exhaust Fan 20, 24, 26 Vent 30 Solar Cell 40 Battery 50 Temperature Sensor 60 Switch 70 Wiring Circuit

Claims (2)

[Claims] 1. An electric exhaust fan provided in a ventilation port that communicates the interior and exterior of a vehicle is rotated by using a solar cell provided in a place exposed to sunlight of the vehicle as a power source, and the vehicle is passed through the ventilation port. A method for ventilating an interior of a vehicle, which is characterized in that the room is ventilated. 2. An electric exhaust fan provided in a ventilation hole that communicates between the interior and exterior of a vehicle, a solar battery provided in a place exposed to sunlight of the automobile, and a storage battery that stores the electric power obtained by the battery. A temperature sensor for supplying electric power to the exhaust fan from the electric storage device to rotate the exhaust fan when the temperature inside the vehicle interior becomes high, and when the temperature inside the vehicle interior falls to a temperature close to the outside temperature, A temperature sensor for stopping the supply of electric power from the electric storage device to the exhaust fan; and O of electric power supplied from the electric storage device to the exhaust fan.
Ventilation device in a car room consisting of a switch for N and OFF operation.