JPH0639225A - Rotary cleaning type air filter - Google Patents

Abstract

PURPOSE:To provide an air filter where a filter member is cleaned with a device, such as a computer remaining in the operating condition in the air filter installed in a forced air-cooled part of the computer, etc. CONSTITUTION:An air filter is constituted of a pair of rollers 2, 3 arranged parallel and opposite to each other in an equipment frame 80, a filter member 1 in the shape of an endless belt movably held by a pair of the rollers 2, 3, a cleaning brush 5 arranged with its end part coming into contact with the filter member 1, a dirt container 10 which a pan part 8 for receiving the dirt a blown off by the cleaning brush 5 is provided to form and a roller drive means 15 for imparting rotational force to a pair of the rollers 2, 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air filter device installed in a forced air cooling section of electronic equipment (for example, a computer).

[0002]

2. Description of the Related Art FIG. 3 is a schematic perspective view showing one structural example of a conventional air filter. As shown in FIG. 3, the conventional air filter 40 has a structure in which a filter member 45 is housed in a case 41. This filter member 45 is
There are two types, one is a fiber-bonding type, which is manufactured by randomly bonding fibers, and the other is one in which a synthetic resin material mixed with a foaming agent is foamed to form "open-celled bubbles" in the tissue (for example, foamed polyurethane). .

The air filter 40 is mounted on the device frame 80 by inserting the case 41 into the filter mounting portion 90 provided on the lower portion of the device frame 80.
The air filter 40 captures the dust α contained in the air 30 sucked from the air suction port 86 provided below the device frame 80 and prevents the dust α from flowing into the rectifying duct 83 side. In the figure, reference numeral 42 is a handle used when the air filter 40 is attached to and detached from the filter mounting portion 90.

In this air filter 40, when dust α adheres to the filter member 45 and the filter function deteriorates, the filter member 45 is removed from the filter mounting portion 90 to clean the filter member 45. A brush is generally used to clean the filter member 45.

The device frame 80 rectifies the air 30 sucked from the air suction port 86 and rectifies the air 30 into a plurality of printed boards 70.
Rectifying duct 83 to be sent to the Pt board mounting portion 84 where is mounted,
The air 30 that has passed through the Pt board mounting part 84 is transferred to the axial fan 60.
Equipped with an air duct 85 that guides the printed circuit board 70 through the filter member 45 mounted on the filter mounting portion 90 in the direction of arrow U and sent from the axial fan 60 in the direction of arrow U by the printed board 70. Cool down.

[0006]

[Problem to be Solved by the Invention] Conventional air filter 40
When the filter function deteriorates, it is pulled out from the filter mounting portion 90 to clean the filter member 45, but if the air filter 40 is pulled out while the device is in operation, it will be included in the air 30. The dust α that is being drawn is straightly sucked into the device frame 80. Therefore, it is necessary to temporarily stop the device when cleaning the air filter 40. However, since it has become common knowledge that a computer device or the like is operated continuously in recent years, there is a strong demand for cleaning the air filter while the device is still operating.

The present invention is equipped with an endless belt-shaped filter member, the position of which can be freely moved by rotating the roller, so that the filter member can be cleaned while the apparatus is in the operating state. It is intended to realize the device.

[0008]

A rotary cleaning type air filter device (hereinafter referred to as an air filter device) according to the present invention.
As shown in FIG. 1, a pair of rollers 2 and 3 arranged in parallel with each other and facing each other in the apparatus frame 80, and a pair of rollers 2 and 3 held by the pair of rollers 2 and 3 to be movable in position. Terminal belt-shaped filter member 1
And a dust container 10 comprising a cleaning brush 5 arranged so that its tip portion comes into contact with the filter member 1 and a tray portion 8 for storing the dust α scraped off by the cleaning brush 5. A roller driving means 15 for imparting a rotational force to the pair of rollers 2 and 3 is provided.

[0009]

In this air filter device 20, when the roller driving means 15 disposed on the device frame 80 side is operated to move the filter member 1, dust α attached to the surface of the filter member 1 is removed. The cleaning brush 5 arranged in the dust container 10 is contacted with the cleaning brush 5 to be removed.

Thus, the air filter device 20 is
A pair of rollers 2 and 3 provided on the device frame 80 side
By moving the position of the filter member 1 held by, the dust α adhering to the surface of the filter member 1 is automatically wiped off into the dust container 10. It is not necessary to stop the device when removing the attached dust α.

[0011]

The present invention will be described in detail below with reference to the drawings of the embodiments. 1 (a) and 1 (b) are schematic side sectional views and perspective views showing an embodiment of the present invention, and FIGS. 2 (a) and 2 (b) are schematic views showing an example of the structure of a roller driving means and a dust container. 3 is a perspective view, the same parts as those in FIG. 3 are denoted by the same reference numerals.

The air filter device 20 according to the present invention is shown in FIG.
As shown in (a) and (b), a pair of rollers 2 and 3 (hereinafter, roller 2 is a driving roller) rotatably held by two pairs of bearings (not shown) provided in the apparatus frame 80. 2, the roller 3 is referred to as a driven roller 3), and an endless belt-shaped filter member 1 rotatably held by the driving roller 2 and the driven roller 3 arranged in parallel with each other and facing each other. A dust provided with a cleaning brush 5 arranged so that its tip portion contacts the outer peripheral surface of the filter member 1 and a saucer part 8 for storing the dust α scraped off by the cleaning brush 5. The container 10 and the roller driving means 15 for rotating the driving roller 2 (hereinafter referred to as a roller driving handle 15) are equipped.

This air filter device 20 includes a drive roller 2
By rotating the roller drive handle 15 which is directly connected to the drive roller 2 in the direction of arrow R, the drive roller 2 is rotated in the direction of arrow R, and the filter member 1 is driven by this drive roller 2 so that the filter member 1 and the driven roller 3 are driven. The outer side of the filter is rotated in the direction of arrow P so as to be in slidable contact therewith, and due to the rotational movement of the filter member 1, dust α adhering to the surface of the filter member 1 is wiped off by the cleaning brush 5. Container 10
It is housed in the saucer section 8 of. It should be noted that, in order to increase the frictional force between the drive roller 2 and the filter member 1, consideration is given to making unevenness on the outer peripheral surface or etching the outer peripheral surface. Is not specified.

The filter member 1 is manufactured by using, for example, foamed polyurethane or the like in which a synthetic resin material mixed with a foaming agent is foamed to form "open-celled bubbles" in the tissue. Neither the material nor the manufacturing method is specified.

This air filter device 20 according to the invention is
By rotating the roller drive handle 15 in the direction of arrow R, the filter member 1 rotates in the direction of arrow P, and by rotating the filter member 1 in the direction of arrow P, dust α adhering to the surface is cleaned. Since the brush 5 is characterized in that it comes into contact with the brush 5 and is brushed off, the electronic device equipped with this air filter device 20 has a filter member 1
There is no need to remove the filter member 1 from the device frame 80 when cleaning the device. Therefore, the air filter device
Electronic equipment equipped with 20 can carry out cleaning work of the air filter without stopping the device.

FIG. 1B is a perspective view showing the mounting structure of the air filter device 20. As shown in FIG. 1 (b), in the air filter device 20, only the roller drive handle 15 for rotating the drive roller 2 is exposed on the side surface of the device frame 80, and the filter member 1 and the rotary member 15 are rotated. The driving roller 2, driven roller 3 and the like to be driven are all mounted inside the apparatus frame 80. Further, the dust container 10 provided with the cleaning brush 5 and the tray portion 8 is the dust container mounting portion 88 on the device frame 80 side.
It is removably mounted on. In addition, this garbage container 10
Becomes a state in which the tip of the cleaning brush 5 comes into contact with the filter member 1 when mounted in the dust container mounting portion 88 [see FIG. 1 (b)].

The structures of the roller drive handle 15 and the dust container 10 will be described below with reference to FIGS. 2 (a) and 2 (b). First of all, the roller drive handle 15
As shown in FIG. 2 (a), is equipped with a mounting hole 15b and a knob 15a corresponding to the handle mounting portion 2b provided at the end of the shaft 2a of the drive roller 2. This roller drive handle 15 has a handle mounting hole 15b in the handle mounting portion on the drive roller 2 side.
When the knob 15a is engaged with 2b and rotated in the direction of arrow R, the endless belt-shaped filter member 1 rotatably held by the drive roller 2 and the driven roller 3 rotates in the direction of arrow P. In the figure, 3a indicates the shaft of the driven roller 3.

Next, the garbage container 10 will be described.
Is a “dust removing” member that is detachably (removably) formed in the dust container mounting portion 88 provided on the device frame 80 side, and has the cleaning brush 5 and the saucer portion 8 inside. I have it. This garbage container 10 is the same as the garbage container mounting section.
When mounted on 88, the tip of the built-in cleaning brush 5 comes into contact with the filter member 1, and the tray portion 8 for containing the dust α removed by the filter member 1 is positioned directly below it. In the figure, reference numeral 42 is a handle used when the dust container 10 is attached and detached.

In the air filter device 20 according to the present invention, the filter member 1 is rotated by rotating the roller drive handle 15 arranged so as to project to the outside of the device frame 80.
Since the position α moves and the dust α adhering to the surface of the filter member 1 is automatically stored in the dust container 10 installed at a position away from the air suction port 86, The dust α removal work can be performed while the device is in operation. As described above, the air filter device 20 according to the present invention can remove the dust α adhering to the filter member 1 without stopping the device, and thus contributes to the improvement of the device efficiency.

[0020]

As is apparent from the above description, the air filter device according to the present invention has a structure in which the dust attached to the filter member is automatically stored in the dust container by rotating the roller drive handle. Therefore, since the dust removal work can be performed while the apparatus is operating, it is extremely effective especially when the electronic equipment or the like which is premised on continuous operation is equipped with this.

[Brief description of drawings]

FIG. 1 is a schematic side sectional view and a perspective view showing an embodiment of the present invention.

FIG. 2 is a schematic perspective view showing a structural example of a roller drive handle and a dust container.

FIG. 3 is a schematic perspective view showing one structural example of a conventional air filter.

[Explanation of symbols]

 1,45 Filter member 2 Drive roller 3 Driven roller 5 Cleaning brush 8 Saucepan 10 Dust container 15 Roller drive handle 15a Knob 15b Handle mounting hole 20 Air filter device 30 Air 40 Air filter 41 Case 42 Handle 60 Axial fan 70 Print Plate 80 Device frame 83 Rectifying duct 84 Pt Plate mounting part 85 Air duct 86 Air inlet 88 Dust container mounting part 90 Filter mounting part α Dust

Claims (1)

[Claims] 1. An air filter device mounted on an air intake port (86) of an apparatus frame (80), wherein a pair of rollers are arranged in the apparatus frame (80) in parallel and opposite to each other. (2) and (3), an endless belt-shaped filter member (1) held by the pair of rollers (2) and (3) so as to be positionally movable, and the tip end to the filter member (1). A cleaning brush (5) arranged so as to be in contact with each other, and a waste container (10) comprising a saucer part (8) for storing the dust (α) removed by the cleaning brush (5). A rotary cleaning type air filter device comprising: roller driving means (15) for applying a rotational force to the pair of rollers (2) and (3).