JP4367007B2 - Air conditioner - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an air conditioner including a dust box for cleaning a filter, and more particularly to a configuration in which the contact pressure of a brush is made uniform in the dust box.
[0002]
[Prior art]
Since the basic structure of a conventional air conditioner is the same as that of the present application, it will be described with reference to FIG. In the air conditioner shown in FIG. 2, a base 1, a lower panel 2, and an upper panel 3 constitute a main body, a suction port 4 is provided on the upper surface of the main body, and a wind direction deflecting plate 5 a is provided on the front surface of the lower surface. An outlet 5 is provided. The air passage connecting the suction port 4 and the blowout port 5 is composed of a front heat exchanger 6a inclined backward and a rear heat exchanger 6b inclined forward and formed in an inverted V shape. 6 and a blower fan 7 for sending out the air heat-exchanged by the heat exchanger 6 into the room.
[0003]
On the back surface of the suction port 4, a frame portion and a net portion are integrally formed of a resin material, and a filter 10 that collects and adsorbs dust contained in the sucked air is attached to the front of the main body. Is provided with a dust box having front and rear passages through which the filter 10 passes.
[0004]
As shown in FIG. 5A, the dust box 30 has a passage opening 30a on the rear end side, a passage opening 30b on the front end side, and a pair of brushes 31 and 32 in the upper and lower sides. The brush 31 is pressed upward by a spring 31a, and the brush 32 is pressed downward by a spring 32a. The filter 10 passes through while being pinched by these, thereby collecting dust accumulated on the surface. It is to be picked up.
[0005]
However, since the filter 10 integrally forms the frame portion and the net portion with a thin resin material, the shrinkage distortion of the resin material at the time of injection molding may remain, as shown in FIG. The cross section of the filter 10 may be deformed into a wave shape or may have a plurality of undulations. In such a case, either the brush 31 or the brush 32 is not in contact with the filter 10, or the contact pressure is weakened, resulting in a problem that dust accumulated on the surface cannot be cleaned properly. There was a fear.
[0006]
[Problems to be solved by the invention]
In view of the above problems, the present invention enables the brush provided in the duct box to properly collect dust accumulated on the surface even if the shrinkage distortion at the time of injection molding remains and the filter is deformed into a wave shape. It aims at providing the air conditioner which improved dust collection efficiency.
[0007]
[Means for Solving the Problems]
In order to solve the above problems, the present invention provides a heat exchanger and a blower fan in a main body having a suction port and a blower outlet, and a filter is provided on the back surface of the suction port so as to be slidable back and forth. In an air conditioner comprising a dust box provided with a dust removal brush so as to face each other, while having a passage port through which
A plurality of the brushes are arranged along the direction in which the filter passes, while the height position of each brush is changed.
[0008]
Further, the brush is supported by a spring attached to the inner wall surface of the dust box.
[0009]
The dust box is composed of an upper box and a lower box which are divided into upper and lower parts, and the slit-shaped passage openings are formed at the rear end and the front end, respectively.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail as examples based on the attached drawings.
FIG. 1 is a perspective view showing a state in which an air conditioner according to the present invention has a filter pulled out to the front, and FIG. FIG. 3 is a sectional view of the duct box, and FIG. 4 is a sectional view showing a state in which the filter passes through the duct box.
As shown in FIGS. 1 and 2, the air conditioner according to the present invention has a base 1 installed on a wall surface, and an upper portion that is mounted on the front upper portion of the base 1 and that forms a suction port 4 from the front end to the vicinity of the rear end. The main body is comprised by the panel 3 and the lower panel 2 in which the blower outlet 5 provided with the several wind direction deflection | deviation plate 5a was equipped in the lower surface front part was formed.
[0011]
The air passage connecting the suction port 4 and the blower outlet 5 is composed of a front heat exchanger 6a inclined rearward and a rear heat exchanger 6b inclined forward and formed in an inverted V shape. 6 and a blower fan 7 that sends out the air heat-exchanged by the heat exchanger 6 into the room, and drops below the front heat exchanger 6a and the rear heat exchanger 6b. A dew tray 8 for receiving condensed water is provided.
[0012]
A filter 10 in which a frame portion and a net portion are integrally formed of a resin material is attached to the back surface of the suction port 4, and a slit-like shape is provided on the front edge of the main body so that the filter 10 can be inserted and removed. The insertion / removal port 9 is opened downward. The body is provided with a front and rear passages through which the filter 10 passes so as to face the insertion / removal port 9, and a dust box 11 for cleaning by scraping off dust accumulated on the surface thereof is provided, and at the lower part thereof A driving device 12 for driving the filter 10 back and forth is provided.
[0013]
As shown in FIG. 3, the dust box 11 is composed of an upper box 11a and a lower box 11b which are divided into upper and lower parts, a slit-like rear passage port 11c on the rear end side, and a slit-like front side in the same manner on the front end side. A part passage opening 11d is formed. In the lower box, a first brush comprising a base, a brush planted on the base, and a spring 14a that supports the base and biases upward in order from the rear end side of the bottom wall. 14, a second brush 15 supported by a spring 15a with the same configuration, a third brush 16 supported by a spring 16a, and a fourth brush 18 supported by a spring 18a are provided. Each has a height difference.
[0014]
On the inner wall surface of the upper box 11a, a base, a brush planted on the base, and a spring 17a that supports the base and urges downward are provided so as to correspond to the third brush 16. And a sixth brush 19 supported by a spring 19 a so as to correspond to the fourth brush 18.
[0015]
The height of the first brush 14 provided in the lower box 11b is set to be the lowest than the height of the other brushes, and then the second brush 15 is set to be higher. The third brush 16 is set to be highest than the other brushes, and the height of the fourth brush 18 is set to be intermediate between the second brush 15 and the third brush 16. The fifth brush 17 provided in the upper box 11 a is set so that the height from the inner wall surface of the upper box 11 a is lower than that of the sixth brush 19.
[0016]
The driving device 12 includes a rectangular housing 12a having an open upper surface and a driving unit housed in the housing 12a. The driving unit is fixed in the housing 12a and is pinned on a rotation shaft. A drive motor 23 fitted with a gear 22, a large-diameter first gear 21 that meshes with the pinion gear 22, and a linear shape that meshes with the first gear 21 and is formed on the back surface of the filter 10. The second gear 20 has a small diameter that meshes with the rack.
[0017]
Next, the operation will be described. When cleaning the dust accumulated on the filter 10, the filter 10 is slid by the driving device 12 and pulled out from the insertion / removal port 10a to the front side of the main body. As shown in FIG. 4, even if the cross section of the filter 10 moving from the rear passage port 11c toward the front passage port 11d is deformed into a wave shape, the brush 10 has a different height. Since the surface of the filter 10 is in contact and the contact surface pressure is different, dust accumulated on the surface is efficiently scraped, and the cleaning property is improved. Further, even if the filter 10 is not deformed, the cleaning efficiency can be improved by equalizing the contact pressure. When the cleaning is completed, the filter 10 is again stored in the main body by the driving device 12.
[0018]
【The invention's effect】
As described above, according to the present invention, the brushes having different heights are disposed in the dust box one after the other so that even if the filter cross-section is deformed into a wave shape, Since the surface of the filter is in contact with any one of them, and the contact surface pressure is different, dust accumulated on the surface is efficiently collected. Moreover, even if the filter is not deformed, it is possible to provide an air conditioner that improves the cleaning efficiency due to the difference in the contact surface pressure.
[Brief description of the drawings]
FIG. 1 is a perspective view of an air conditioner according to the present invention.
FIG. 2 is a cross-sectional view of an air conditioner according to the present invention.
FIG. 3 is a cross-sectional view of a duct box provided in an air conditioner according to the present invention.
FIG. 4 is a cross-sectional view showing a state in which a filter is cleaned.
FIG. 5A is a cross-sectional view showing a conventional duct box.
(B) is sectional drawing which shows the state by which a filter is cleaned.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Base 2 Lower panel 3 Upper panel 4 Suction port 5 Outlet 5a Wind direction deflector plate 6 Heat exchanger 6a Front heat exchanger 6b Rear heat exchanger 7 Blower fan 8 Dew tray 9 Insertion / extraction port 10 Filter 10a Handle 11 Duct box 11a Upper box 11b Lower box 12 Drive device 13 Connector 14 First brush 14a Spring 15 Second brush 15a Spring 16 Third brush 16a Spring 17 Fifth brush 17a Spring 18 Fourth brush 18a Spring 19 Sixth brush 19a Spring 20 First Gear 21 Second gear 22 Pinion gear 23 Drive motor

Claims (3)

A heat exchanger and a blower fan are provided in a main body provided with an inlet and an outlet, and a filter is provided on the back surface of the inlet so as to be slidable back and forth, and a passage through which the filter passes is provided. In an air conditioner consisting of a dust box provided with a dust removal brush so as to face each other inside,
An air conditioner characterized in that a plurality of the brushes are arranged along the direction in which the filter passes, and the height position of each brush is changed. The air conditioner according to claim 1, wherein the brush is supported by a spring attached to an inner wall surface of the dust box. 2. The air conditioner according to claim 1, wherein the dust box includes an upper box and a lower box which are divided into upper and lower portions, and the slit-shaped passage openings are formed at a rear end and a front end, respectively.

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