JPH08238928A - Air cleaning device for vehicle - Google Patents

Abstract

PURPOSE: To efficiently aid the ventilation of cabin internal air in the outside air lead-in state of an air conditioner and the circulation of cabin internal air in the internal air circulating state so as to improve cabin internal air cleaning efficiency by synchronizing the blast quantity of an air cleaner and the blast quantity of the air conditioner. CONSTITUTION: When the intake door 7 of an air conditioner 1 is in the outside air lead-in state, an actuator 24 is driven by a controller 23 so as to switch an opening/closing door into an external exhaust direction. The cabin internal air sucked from the intake port 9 of an air cleaner 8 is thereby exhausted outside of a vehicle without passing through a filter 13 so as to smooth air- conditioning. In an internal air circulating state, the air sucked into the air cleaner 8 is passed through the filter unit 13 and sent into a cabin from a discharge port 10 after dust collection and deodorization, but in the case of the fouling degree of air being small at this time, the output of a blast quantity detector 17 is given priority, and in the case of the fouling degree being large, the output of a gas sensor 21 is given priority to control the fan motor 19 of the air cleaner 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle air cleaning device used for effectively cleaning the air inside a vehicle.

[0002]

2. Description of the Related Art As an automobile air purifying apparatus which is installed in an automobile and used to purify the air in the passenger compartment, various structures are known, but as a known example closest to the present invention, For example, there is a structure as shown in FIG.

That is, the structure of the apparatus shown in FIG. 1 will be described. Reference numeral 1 denotes an air conditioner (air conditioner) installed in front of the driver's seat of the vehicle body. The air conditioner 1 has an outside air intake port 2 and an inside air intake port. The outside air or the inside air which has the port 3 and is sucked by the drive of the fan 4 is adjusted to an appropriate temperature by passing through the heat exchanger 5, and is sent out to the vehicle interior from the outlet 6. Reference numeral 7 denotes an intake door for switching the outside air introduction or the inside air circulation.

An air purifier 8 is installed at a rear portion (rear parcel shelf) of the vehicle body in the vehicle body. The air purifier 8 has an intake port 9 and an exhaust port 10, and is an air purifier. The indoor air sucked from the intake port 9 by driving the fan 11 installed inside 8 is collected and deodorized through the duct 12 and the filter unit 13, and is blown (circulated) from the exhaust port 10 into the vehicle interior. Structure.

Reference numeral 14 denotes an exhaust port provided in the rear parcel shelf 15.

[0006]

However, in an air cleaner for a vehicle in which the air conditioner 1 and the air cleaner 8 are installed in the vehicle body as described above, for example, as shown in FIG. When the door 7 is operated to introduce the outside air, the air sent into the passenger compartment from the outlet 6 of the air conditioner 1 is discharged to the outside of the passenger compartment from the exhaust outlet 14 provided in the rear parcel shelf 15. As a result of the generated airflow, the airflow collides with the cleaning air sent into the vehicle interior from the air outlet 10 of the air cleaner 8.
Therefore, by the air discharged from the air cleaner 8,
The airflow that is about to be discharged from the exhaust port 14 to the outside of the vehicle is obstructed, and as a result, it is difficult to effectively ventilate the vehicle interior air.

[0007]

SUMMARY OF THE INVENTION The present invention has been made by paying attention to such a conventional defect, and an in-vehicle air conditioner is
When the outside air is being introduced, the vehicle interior air taken in by the air purifier is exhausted to the outside of the vehicle without passing through the air purification unit in the air purifier to effectively perform the vehicle interior ventilation by the air conditioner. An object of the present invention is to provide a vehicle air purifying device.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail based on the embodiments shown in the drawings. The same parts as the structure of this embodiment and the structure described in the conventional example are designated by the reference numerals used in the conventional example. Then, the structural description of the same structural part is omitted.

That is, referring to FIG. 3, in this embodiment, a fan motor 16 for driving the fan 4 provided in the air conditioner 1 is provided with an air flow rate detector 17.
Further, an intake door position detector 18 is connected to the intake door 7.

A gas sensor 21 for detecting the degree of contamination of the air in the vehicle compartment is provided at or near the intake port 9 provided in the air purifier 8. The output of the gas sensor 21 and the air flow rate detector 17 are provided. The blower controller 20 is provided to drive and control the fan motor 19 attached to the fan 11 of the air purifier in response to the output of.

Further, the air purifier 8 is provided with a duct 12 which connects an intake port 9 and an exhaust port 10 with each other, and the duct 12
An exhaust port 25 that communicates with the outside of the vehicle is provided, and further, between the fan 11 and the filter unit 13 in the duct 12, blowing air from the fan 11 toward the filter unit 13 or discharging the air outside the vehicle. An opening / closing door 22 for switching is provided, and the opening / closing door 22 is equipped with an actuator 24.
Are switched by a control signal from the actuator controller 23.

The structure of this embodiment has been described above. Next, the operation thereof will be described. First, as shown in FIG. 4, the intake door 7 of the air conditioner 1 closes the inside air intake port 3 and the outside air intake port. When it is in the position (A) where 2 is opened, the outside air is introduced, and this intake of the outside air is detected by the intake door position detector 18, and the actuator controller 23 uses the detection output to open / close the door 22. The actuator 24 is operated to control the movement of the door 22 in the vehicle exterior exhaust direction (C).

Therefore, the vehicle interior air sucked into the air purifier through the intake port 9 of the air purifier 8 is exhausted to the outside of the vehicle without passing through the filter unit 13, so that the air conditioner 1 operates at this time. Since the conditioned air sent into the passenger compartment passes through the passenger compartment and is exhausted outside the vehicle through the exhaust port,
Air conditioning in the passenger compartment is smoothly performed.

Further, as shown in FIG. 5, when the intake door 7 of the air conditioner 1 is in the position (B) that closes the outside air intake port 2, the inside air circulation state is established, and this inside air circulation state is taken as the intake door position. The actuator controller 23 is detected by the detector, and the actuator controller 23 uses the detected output.
4 is operated to control the movement of the opening / closing door 22 in the inside air circulation direction (D).

Therefore, the air sucked into the air cleaner 8 through the intake port 9 passes through the inside of the filter unit 13, is deodorized by dust, and is sent into the vehicle interior from the air outlet 10 to clean the air inside the vehicle interior. It is effective.

Further, in this embodiment, the gas inlet 21 of the air cleaner 8 is provided with the gas sensor 21 for detecting the degree of contamination of the air in the passenger compartment. When the degree of air pollution passing through the air purifier 8 is small, the blower controller 20 of the air purifier 8 gives priority to the output of the blower amount detector 17 of the air conditioner 1 and appropriately controls the drive of the fan motor 19 of the air purifier 8. .

When the degree of contamination of the air in the passenger compartment is large, the blower controller 20 of the air cleaner is operated by the gas sensor 2
The output of 1 is given priority, and the rotation of the fan motor 19 of the air cleaner 8 is appropriately drive-controlled.

Therefore, the conditioned air from the air conditioner 1 circulates in the passenger compartment, and the cleaning air from the air cleaner 8 is blown into the passenger compartment.

Table 1 shows a specific example of the relationship between the position of the intake door 7 in the air conditioner, the position of the opening / closing door 22 in the air cleaner, and the air blowing action and air blowing amount by detecting the degree of air pollution by the gas sensor 21.

[0020]

[Table 1]

Therefore, according to this embodiment, since the amount of air blown by the air purifier 8 and the amount of air blown by the air conditioner 1 are synchronized, the ventilation of the vehicle interior air and the state of circulation of the inside air when the air conditioner 1 introduces the outside air. It is possible to efficiently assist the circulation of the vehicle interior air in the vehicle, improve the efficiency of cleaning the vehicle interior air, and fully automate the operation of the air purifier, so the operation can be simplified. Is.

Further, for example, when smoking in the passenger compartment and when the air conditioner 1 is in the outside air introduction state, the cigarette smoke can be promptly discharged to the outside of the passenger compartment, and the air conditioner 1
When the is inside air circulation state, it is possible to quickly collect and deodorize cigarette smoke.

As shown in Table 1, the drive control of the fan 11 of the air cleaner 8 may be a two-step control in which the air flow rate is large or small, but the invention is not limited to this, and the air flow rate detector 17 is not limited thereto. It may be possible to perform multi-step control according to the detection degree of 1 and the detection degree of the gas sensor 21.

As the dust collecting means of the filter unit 13 in the air cleaner 8, any one of an electric dust collecting unit utilizing corona discharge, a charging filter provided with a charging charge, and a filtering filter may be used, and the deodorizing means. Either a physical adsorption filter using activated carbon or a chemical deodorizing filter applying neutralization / oxidation / reduction reaction may be used. Also, as a means for detecting the degree of contamination of air,
In addition to the gas sensor 21 of this embodiment, an optical sensor capable of detecting dust may be used.

[0025]

As described above, according to the present invention, the outside air intake port 2,
An air conditioner 1 having an inside air intake port 3, an intake door 7 for opening and closing both intake ports, and a fan motor 16.
And an air purifier 8 having an air inlet 9, an air outlet 10, and an air cleaner 8 having a fan 11 and a filter unit 13 in a duct 12 that connects the air inlet 9 and the air outlet 10. An exhaust port 25 is formed on the discharge side of the fan 11 so as to communicate with the duct 12 and the outside of the vehicle compartment, and the air drawn out by the rotation of the fan 11 is switched to the discharge port 10 side or the exhaust port 25 side to blow the air. An intake door position detector 1 for detecting the position of the intake door 7 of the air conditioner 1 is provided with an opening / closing door 22 and an actuator 24 for operating the opening / closing door 22.
8, an output from the intake door position detector 18, an actuator controller 23 for driving the actuator 24, and a gas sensor 21 for detecting the degree of contamination of vehicle interior air in or near the intake port 9, Air flow rate detector 17 for detecting the air flow rate by the fan motor 16
And the output from the air flow rate detector 17 and the output from the gas sensor 21, the air blower controller 20 for driving the fan 11 is provided. Since the amount of air blown by the purifier 8 and the amount of air blown by the air conditioner 1 are synchronized, efficient ventilation of vehicle interior air when the outside air is introduced into the air conditioner 1 and circulation of vehicle interior air when the air conditioner 1 is in circulation are provided. As a result, the efficiency of cleaning the air in the passenger compartment can be improved, and the operation of the air cleaner can be fully automated, so that the operation can be simplified.

Further, for example, when smoking in the passenger compartment and when the air conditioner 1 is in the outside air introduction state, the cigarette smoke can be promptly discharged to the outside of the passenger compartment, and the air conditioner 1
When the is in the internal air circulation state, it is possible to obtain the effect of quickly collecting and deodorizing cigarette smoke.

[Brief description of drawings]

FIG. 1 is a structural explanatory view showing a conventional example.

FIG. 2 is an explanatory view of the operation of a conventional example.

FIG. 3 is a structural explanatory view showing an air cleaning device for a vehicle according to an embodiment of the present invention.

FIG. 4 is an operation explanatory view showing the vehicle air cleaning device of the embodiment of the present invention.

FIG. 5 is another operational explanatory view showing the vehicle air cleaning device of the embodiment of the present invention.

[Explanation of symbols]

1 ... Air conditioner 2 ... Outside air intake port 3 ... Inside air intake port 4 ... Fan 5 ... Heat exchanger 6 ... Outlet port 7 ... Intake door 8 ... Air purifier 9 ... Intake port 10 ... Exhaust port 11 ... Fan 12 ... Duct 13 ... Filter unit 14 ... Exhaust port 15 ... Rear parcel shelf 16 ... Fan motor 17 ... Blower amount detector 18 ... Intake door position detector 19 ... Fan motor 20 ... Blower controller 21 ... Gas sensor 22 ... Opening door 23 ... Actuator controller 24 ... Actuator 25 ... Exhaust port

Claims (1)

[Claims] 1. An outside air intake port (2), an inside air intake port (3),
An intake door (7) that opens and closes both of these intake ports,
And air conditioner (1) having a fan motor (16)
And an intake port (9), an exhaust port (10), and a fan (11) and a filter unit (13) in a duct (12) connecting the intake port (9) and the exhaust port (10). In a vehicle air cleaning device having the above air cleaner (8), the duct (12) is provided on the discharge side of the fan (11).
An opening / closing for forming an exhaust port (25) communicating with the outside of the vehicle, and for switching the air drawn by the rotation of the fan (11) to the exhaust port (10) side or the exhaust port (25) side Door (22) and opening / closing door (22)
An actuator (24) for operating the air conditioner, and further, an intake door position detector (18) for detecting the position of the intake door (7) of the air conditioner (1), and an output from the intake door position detector (18) Then, an actuator controller (2 that drives the actuator (24)
3), a gas sensor (21) for detecting the degree of contamination of vehicle interior air in or near the intake port (9), and an air flow rate detector (17) for detecting the air flow rate by the fan motor (16). And a blower controller (20) for driving the fan (11) with an output from the air flow rate detector (17) and an output from the gas sensor (21). Air cleaning device.