JPH03238015A - On-vehicle air purifier - Google Patents

Abstract

PURPOSE:To mount the title air purifier on a car relatively narrow in the space formed between the rear tray and rear window thereof by making the filter unit almost parallel to the suction port of a fan accessible in the side wall direction of a main body with respect to the mounting and detaching port provided to the side part of the main body. CONSTITUTION:A fan chamber 22 having a fan 24 provided therein is provided to the box body formed from main bodies 18, 28 and a lid part 32 and a plate- shaped filter unit 26 is arranged almost in parallel to the suction port 25 of the fan 24. A suction port 29 and the exhaust port 35 connected to the filter unit 26 are formed to a part of the box body and a mounting and detaching port 33 is provided to the side part of the main body and the filter unit 26 is made accessible through the mounting and detaching port 33 in the side wall direction of the main body. As a result, this air purifier can be mounted even on a car relatively narrow in the space formed between the rear tray and rear window thereof and the workability of the replacement of a filter itself can be enhanced.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an on-vehicle air cleaner mounted on the rear tray of an automobile.

Conventional technology In general, in automobiles, in order to purify the air inside the car,
Vehicles are increasingly equipped with air purifiers, and many of them are installed in the rear tray of automobiles.

Conventionally, this type of in-vehicle air purifier generally uses a fan to suck in contaminated air such as cigarette smoke and odor from inside the car, filters it with a filter, and deodorizes it with activated carbon. Therefore, it is necessary to replace the filter and activated carbon with new ones from time to time.

A conventional air purifier for a vehicle is constructed as shown in FIGS. 4 to 6, namely, a lower body 1. A motor 4 is held within the main body, which is formed by the upper main body 2 and the lid 3 to form a box, by a buffer member 5 inserted over almost the entire circumference of the outer flange portion 4', and a partition wall 6. There is. Upper surface part 2 of upper body 2
A has a suction port 2b opened therein, and a thin chamber wall 2c hangs downwardly to form a thin chamber 7 with the partition wall 6.
A fan 8 fixed to the fan 8 is housed therein. Electrical components (not shown) and the like are arranged in the space 9 below the inclined portion 2d extending to the upper surface portion 2a. The upper surface part 2a and the inclined part 2d
The ribs 2e and 2f are stood up, and the filter unit 13 is placed through the wire mesh 1. The upper body 2. is connected to the swirl chamber 7 and is located upstream and downstream thereof, respectively. A large number of intake ports 2g and exhaust ports 2h are opened in the lower body 1. Further, a discharger 12 is provided in the main body, and this discharger 12 is supplied with high voltage current (not shown) as shown in FIG.
A discharge electrode 14 for corona discharge and a counter electrode 15 face each other. The filter unit 13 disposed on the air inflow side of the discharger 12 has a honeycomb shape that houses a dust collecting filter 13a and activated carbon 13b, as shown in FIG.
3b.

It consists of a cover 13d that includes a core 13c, and has a structure in which the dust filter 13a and the cover 13d are welded together at an edge 13e. These components constitute an on-vehicle air purifier. In the figure, 16 is a rear tray of the automobile, 17 is a rear window of the automobile, and the above-mentioned in-vehicle air cleaner is placed on the tray 16.

In the above configuration, when the motor 4 is driven, the intake port 2g
Dust such as cigarette smoke in the air inside the car is inhaled from
When passing through the discharger 12, positive ions are applied, and the particles are adsorbed by the rear negative polarity dust collection filter 13a, and odor particles are adsorbed and deodorized by the activated carbon 13b. The clean air thus purified passes through the space between the filter unit 13 and the top plate 2a as shown by the arrow (→) in the figure, is introduced into the thin chamber 7 from the suction port 2b, and is discharged from the exhaust port 2h. be done.

When replacing a dirty filter unit 13, remove the lid 3, take out the filter unit 13 from the space between the upper body 2 and the rear window 17, and cover the new filter unit 13 from above by following the reverse procedure. Insert and replace.

Problems to be Solved by the Invention In such a conventional configuration, when replacing the filter unit 13, the cover body 3 is removed and the filter unit 1 is then replaced.
3 must be taken out above from inside the upper body 2.

For this reason, a certain amount of cabin space above the lid body 3 is required, but since the space formed between the rear tray and rear window of a car differs depending on the type of car, an air purifier is installed above the rear tray. The types of vehicles that could be equipped with this filter were limited, which was a problem for business, and the filter itself was difficult to replace because it had to be done in a small space.

The present invention solves this problem, and aims to be able to be installed in vehicle models where the space formed between the rear tray and the rear window is relatively narrow, and to improve the workability of filter replacement itself. It is something.

Means for Solving the Problem In order to solve this problem, the present invention has a structure in which the filter unit is inserted and removed from the side of the air purifier, instead of being inserted and removed from above. The air purifier is formed so as to be disposed substantially parallel to the suction port of the fan, and is configured to be attached and detached by being inserted and removed approximately parallel to the fan surface from one end of the side surface of the air purifier body.

Effects In the above configuration, when replacing the filter unit, the filter unit is installed and removed in the horizontal direction from the installation/detachment opening on the side of the air purifier body.

EXAMPLE An example of the present invention will be described below with reference to the accompanying drawings.

In FIGS. 1 to 3, the air purifier body consists of a lower body 18 and an upper body 28, and the lower body 18 has an outer wall 20 hanging from the top plate 19. A fan chamber 22 is constituted by the bottom plate part 21, and a fan 24 is fixed to and installed inside a motor 23 fixed to the bottom plate part 21. A suction port 25 is provided in the top plate portion 19.
It has a support rib 27 for supporting a flat filter unit 26 on the upper side. The upper body 28 is combined with the lower body 18 and has a large number of slit-shaped intake ports 2.
It has 9. The upper body 28 holds a discharge device consisting of a discharge electrode 30 and a counter electrode 31 facing thereto. A lid body 32 is rotatably held at the front end of the upper body 28, and when the lid is opened (shown in phantom lines), an attachment/detachment opening 33 for inserting and removing the filter unit 26 is exposed.

Further, the upper body 28 is provided with a filter holding rib 34, which supports the filter unit 26 by sandwiching it with the support rib 27. In the figure, 35 is an exhaust port, 36 is a car tray, and 37 is a rear window of the car.

The filter unit 26 has a honeycomb-shaped core 26c that houses a dust filter 26a and activated carbon 26b.

A shape-retaining frame 26d extends along the outer periphery of the core 26c.

From the cover 26e, activated carbon 26b is applied to the cover 26e,
It includes a core 26c and a shape-retaining frame 26d, and is welded and integrated with the dust filter 26a at an edge 26f.

In this embodiment, when the fan 24 is rotated by the drive of the motor 23, the dust in the air inside the vehicle that is sucked in from the air intake port 29 is transferred to the discharge electrode 30. When passing between the opposing electrodes 31, positive ions are applied to the particles, which are adsorbed by the negative polarity dust collection filter 26a, and odor particles are adsorbed and deodorized by the activated carbon 26b. The clean air thus purified passes through the fan chamber 22 and is discharged from the exhaust port 35.

When replacing the dirty filter unit 26, remove the lid 3.
2, hold the edge 26f of the filter unit 26 and pull it out in the printing direction in the figure. To insert a new filter unit, follow the above procedure in reverse order. The filter unit 26
Since it has the shape-retaining frame 26d, bending and deformation can be prevented, so it can be smoothly attached and detached. Note that the core can be formed of resin instead of the shape-retaining frame 26d to prevent shape-retention and buckling.

Effects of the Invention As is clear from the description of the embodiments described above, the in-vehicle air cleaner of the present invention has an attachment/detachment port on the side of the main body so that the flat filter unit can be attached and detached by horizontally pulling it out and pushing it in. As a result, the filter unit can be replaced without removing the upper body as in the conventional case, and the filter unit can be easily replaced without any problem even if it is installed in the rear tray part of a car where the space in the upward direction is small. It has great practical value as an in-vehicle device.

[Brief explanation of drawings]

Fig. 1 is a cross-sectional view of an in-vehicle air cleaner according to an embodiment of the present invention, Fig. 2 is a partially cutaway view of a filter unit, Fig. 3 is a partially sectional view of the filter unit, and Fig. 4 is a conventional in-vehicle air cleaner. FIG. 5 is an exploded perspective view, and FIG. 6 is a partial sectional view of a conventional filter unit. 18...Lower body, 22...Fan chamber,
24...Fan, 25...Suction port, 2
6...Filter unit, 28...Upper body, 29...Intake port, 32...Lid body, 33...Detachment port, 35...exhaust port.

Claims (1)

[Claims] A fan chamber containing a fan is provided in the box formed by the main body and the lid, and a flat filter unit is arranged approximately parallel to the fan's inlet, and the inlet and the fan are provided in a part of the box. An air purifier for a vehicle, wherein an exhaust port communicating with a chamber is formed, an attachment/detachment port is provided on the side of the main body, and the filter unit can be inserted/removed from the attachment/detachment port toward the side wall of the main body.