JPH0747367B2 - Car air purifier - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an improvement of an automobile air purifier for removing dust and odor present in the air in a vehicle compartment.

(Prior Art) As shown in Japanese Utility Model Laid-Open No. 55-129,113 and FIG. 3, a conventional automobile air purifier has an air intake port 1 for taking in the air in the vehicle compartment, and an intake port from this air intake port 1. It has a blower fan 3 for blowing the air to the air cleaning member 2 and an air outlet 4 for blowing the air passing through the air cleaning member 2 into the passenger compartment.

The air cleaning member 2 is composed of a dust collecting filter section 5 made of pulp or cloth material for collecting dust, and a deodorizing filter section 6 to which a member having a deodorizing ability such as activated carbon is mounted. The air cleaning member 2 is usually formed in a substantially rectangular parallelepiped shape, and is mounted in the cleaning member holding case 7 which is also in a substantially rectangular parallelepiped shape.

On the other hand, the fan 3 is rotationally driven by a fan motor 8, and an air intake port 1 and a scroll discharge port 10 are formed in a fan scroll 9, and this scroll discharge port is formed.
10 communicates with the communication hole 11 in the cleaning member holding case 7.

(Problems to be Solved by the Invention) In such an automobile air cleaner, a cleaning member holding case 7 for housing the air cleaning member 2 having a rectangular parallelepiped shape is provided.
However, it was not preferable as an air cleaner for automobiles installed in an extremely narrow space.

Further, the flow of air flowing through the conventional air purifier for automobiles, after flowing through the fan scroll 9, is largely bent toward the air cleaning member 2 in the cleaning member holding case 7, which increases the distribution resistance. At the same time, the air cleaning member 2 was not uniformly blown with the air, the effective filtration area was reduced, and the efficiency of air cleaning was poor.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide an air purifier for an automobile that is compact, has a high air cleaning effect, and has a low flow resistance.

(Means for Solving the Problems) The present invention for achieving the above object includes an air intake port for intake of air in a vehicle compartment, and a blower fan for blowing air taken in from the air intake port to an air cleaning member. A cleaning member holding case that accommodates the air cleaning member and has an air outlet that blows out the air that has passed through the air cleaning member into the vehicle compartment. Is formed into a thick-walled tubular shape, and the cleaning member holding case is formed into a fan scroll shape, and the thick-walled tubular air cleaning member is housed in a fan scroll-shaped cleaning member holding case, and the blower fan The blown air is ventilated from the outer peripheral side to the inner peripheral side of the thick-walled tubular air cleaning member along the scroll shape in the cleaning member holding case, and the passenger compartment from the air outlet. The feature is that it blows out inside.

(Operation) Next, the operation of the present invention will be described.

When the air inside the vehicle that has been sucked in by the suction force of the blower fan enters the fan scroll-shaped cleaning member holding case, it follows the scroll shape from the outer peripheral side to the inner peripheral side of the thick-walled tubular air cleaning member. Ventilate towards. At that time, the air inside the vehicle is collected and deodorized. Thereafter, the air thus purified is blown into the vehicle compartment from the air outlet.

As described above, since air flows uniformly and smoothly to the thick-walled tubular air cleaning member housed in the phon scroll-shaped cleaning member holding case, it is efficient without increasing the flow resistance. It can clean the air. Further, the thick-walled tubular air cleaning member does not need to take up a large installation place as compared with the conventional air cleaning member having a rectangular parallelepiped shape, and therefore the overall size can be reduced. Moreover, since the motor drive unit and the filter are separated, the space in the height direction can be suppressed as much as possible. Also, the tubular shape makes it easier to replace the air cleaning member.

Furthermore, with a fan scroll equipped with a blower fan,
If the fan scroll-shaped cleaning member holding case containing the air cleaning member is formed as a separate body, the mutual positional relationship can be easily adjusted by connecting them with a duct or the like having an appropriate length. it can. Therefore, by exchanging the duct, the air cleaner for an automobile according to the present invention can be easily attached to an automobile having various attachment dimensions.

(Example) Hereinafter, the Example of this invention is described.

FIG. 1 is an overall perspective view of an automobile air purifier showing an embodiment of the present invention, and FIG. 2 is a sectional view taken along line II-II shown in FIG. 1 of the air purifier according to the embodiment, The same members as those shown in FIG. 3 are designated by the same reference numerals.

As shown in FIGS. 1 and 2, an automobile air purifier 20 according to the present embodiment is provided with an air inlet 1 for sucking air in a vehicle compartment, and is equipped with a blower fan 3 and a motor 8 for rotationally driving the blower fan 3. The cleaning member holding case 23 in which the fan scroll 21 and the air cleaning member 22 are accommodated, and the air outlet 4 that blows the air passing through the air cleaning member 22 into the vehicle interior is formed.
And the cleaning member holding case 23 and the fan school
And a duct 24 connecting 21.

The fan scroll 21 has a scroll-shaped scroll inner wall 26 so that the air blown by the blower fan 3 from the center and discharged radially can be directed to the scroll discharge port 25.

In addition, a fan scroll-shaped cleaning member holding case 23
Also has a scroll-shaped scroll inner wall 27. Inside the spiral scroll, a thick cylindrical cleaning member 22
Is substantially eccentrically provided, and the air blown into the scroll through the communication port 28 is a cleaning member along the scroll inner wall 27.
It is designed to hit the outer circumference of 22 evenly.

The cleaning member 22 is composed of an inner cylindrical dust collecting filter part 29 and a cylindrical breathing filter part 30 located on the circumferential side. The dust collecting filter unit 29 is made of pulp or cloth material, and collects dust of passing air. Further, the deodorant filter unit 30 is equipped with a deodorant such as activated carbon, and deodorizes the passing air. Remove the deodorant filter section 30 from the dust collection filter section.
The inner peripheral side of 29 is because the deodorizing filter section 30 generally requires a smaller filtering area.

If the duct 24 that connects the fan scroll 21 and the cleaning member holding case 23 is formed into a substantially cylindrical shape and the bellows 31 is formed into a spiral shape, accumulation of dust and the like can be suppressed, and the effect can be further enhanced. The duct 24 can be replaced according to the size of the rear package tray of the vehicle body to which the air cleaner 20 for the vehicle is attached.

Next, the operation of such an automobile air cleaner 20 will be described.

When the air in the vehicle compartment sucked from the air suction port 1 by the suction force of the blower fan 3 enters the fan scroll-shaped cleaning member holding case 23 through the duct 24, the scroll inner wall
Along 27, it uniformly hits the outer periphery of the air cleaning member 22. Ventilation is then directed toward the inner cylinder side of the cylinder. At that time, the air inside the vehicle is collected and deodorized. After that, the air thus cleaned is blown into the vehicle compartment from the air outlet 4.

As described above, since air flows uniformly and smoothly to the thick-walled cylindrical air cleaning member housed in the fan scroll-shaped cleaning member holding case 23, the efficiency can be increased without increasing the flow resistance. The air can be effectively cleaned. In addition, the thick cylindrical air cleaning member 22
Is a conventional rectangular parallelepiped air cleaning member 2 (see FIG. 3).
Compared with the above, it is not necessary to take up a large installation space, and therefore the overall size can be reduced. Also, the cylindrical shape makes it easier to replace the air cleaning section.

Furthermore, a fan scroll 21 equipped with a blower fan 3
Since the fan scroll-shaped cleaning member holding case 23 accommodating the air cleaning member 22 is formed separately,
By connecting between them with a duct 24 of an appropriate length,
The mutual positional relationship can be easily adjusted. Therefore, by exchanging the duct 24, the automobile air cleaner according to this embodiment can be easily attached to an automobile having various attachment methods.

(Effects of the Invention) As described above, according to the present invention, the thick-walled tubular air cleaning member 22 is housed in the fan scroll-shaped cleaning member holding case 23, which is compact and It is possible to provide an automobile air purifier having a high air cleaning effect and a low flow resistance.

[Brief description of drawings]

1 is an overall perspective view of an automobile air purifier showing an embodiment of the present invention, FIG. 2 is a sectional view taken along line II-II shown in FIG. 1 of the air purifier according to the embodiment, and FIG. FIG. 1 is an overall perspective view showing a partial cross section of an air cleaner for an automobile according to a conventional example. 1 ... Air inlet, 3 ... Blower fan, 4 ... Air outlet, 20 ... Auto air purifier, 21 ... Fan scroll, 22 ... Air cleaning member, 23 ... Cleaning member holding case, 27 …… Scroll inner wall, 29 …… Dust collection filter, 30 …… Deodorant filter.

Claims (3)

[Claims] 1. An air suction port (1) for sucking air in a vehicle compartment.
A blower fan (3) for blowing the air taken in from the air intake port (1) to the air cleaning member; and the air that contains the air cleaning member and blows the air passing through the air cleaning member into the vehicle interior. An air cleaner for an automobile comprising a cleaning member holding case having a blowout port (4) formed therein, wherein the air cleaning member (22) is formed in a thick-walled tubular shape, and the cleaning member holding case (23) is formed. Is formed into a fan cloak shape, and the thick-walled tubular air cleaning member (22) is housed in a fan scroll-shaped cleaning member holding case (23),
The air blown by the blower fan is ventilated from the outer peripheral side to the inner peripheral side of the thick-walled tubular air cleaning member (22) along the scroll shape in the cleaning member holding case (23),
An air purifier for an automobile, characterized in that the air is blown into the vehicle compartment through the air outlet (4). 2. The fan scroll (21) to which the blower fan (3) is attached and the fan scroll-shaped cleaning member holding case (23) are separately formed. The automobile air purifier according to item 1. 3. The air cleaning member (22) is composed of a dust collecting filter section (29) and a deodorizing filter section (30), and the deodorizing filter section (30) is a dust collecting filter section (29). The air cleaner for a vehicle according to claim 1 or 2, wherein the air cleaner is located on the inner side.