JP2008256359A - Air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To constantly secure a superior air distribution state and to remove the burden of periodical cleaning of an air filter. <P>SOLUTION: This air conditioner is provided with a filter device disposed between a heat exchanger and a suction opening of the air conditioner, and comprising a filter frame, the air filter, a plurality of movable suction nozzles for sucking dust, suction ducts disposed on the plurality of suction nozzles, a suction exhaust device connected with the suction ducts, and an exhaust duct for exhausting the dust to the outside of a room. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an air conditioner including a filter device capable of automatic cleaning.

  As shown in FIGS. 8 and 9, the conventional air conditioner is provided with an air filter 6 on the front surface of the heat exchanger 11 for preventing dust from entering the main body of the air conditioner. The air filter 6 is configured to be detachable so that attached dust can be cleaned by hand.

  On the other hand, an air conditioner is known in which a filter brush composed of a rotating brush, a brush cover, and a pinion provided coaxially with the rotating brush is configured as an air filter cleaning means (for example, a patent) Reference 1).

  Also known are a collection device, a cleaning device, a suction mechanism, a carrier beam connected to the suction mechanism, a hose connected to the carrier beam, a vacuum generator, and the like (for example, Patent Document 2).

A driving shaft and a driven shaft on which a belt-like filter is stretched, a servo motor, a brush, a dust sensor and a fan disposed in the exhaust pipe, and an arithmetic processing means for calculating a continuous use time of the filter; In addition, there is known a configuration in which the control means is configured (see, for example, Patent Document 3).
Japanese Patent Laid-Open No. 11-226331 (2nd page, FIGS. 1 to 4) JP-A-1-75020 (pages 1-9, FIG. 4) Japanese Patent Laid-Open No. 6-74521 (2nd page, FIG. 1)

  However, the configuration of the conventional filter requires periodic maintenance that is removed from the air conditioner according to the frequency of use of the air conditioner and cleaned of dust adhering with water or a vacuum cleaner. In addition, when periodic maintenance is not performed, there is a problem that dust is accumulated on the air filter and the ventilation resistance of the intake air is increased, so that the performance of the air conditioner is reduced and the power consumption is increased.

  In addition, there are restrictions on the operation means, and it is not a reliable means because dust processing after dust collection is required.

  In addition, there are problems such as restrictions on operation means and enlargement of the main body size.

  In order to solve the above-mentioned conventional problems, the air conditioner of the present invention is provided with a filter device between a heat exchanger and an air inlet of the air conditioner, and the filter device includes a filter frame, an air filter, A suction nozzle for sucking dust adhering to the surface of the air filter from a suction port; a suction duct provided in the suction nozzle; a suction exhaust device connected to the suction duct; and an exhaust duct for exhausting dust to the outside. The suction nozzle of the filter device has one end connected to the suction duct, and the suction nozzle is provided with a plurality of openings, and the openings are substantially the entire filter width of the air filter and are perpendicular to the cleaning direction. It is supposed to be located in.

  With the above configuration, the air filter can be automatically and reliably cleaned, and the performance of the air conditioner can be maintained and the increase in power consumption can be prevented.

  In the air conditioner of the present invention, the air filter can be automatically and reliably cleaned, and the performance of the air conditioner can be maintained and the increase in power consumption can be prevented. .

  In the first aspect of the present invention, a filter device is provided between the heat exchanger of the air conditioner and the suction port. This filter device sucks dust adhering to the surface of the filter frame, the air filter, and the air filter. A suction nozzle for sucking more, a suction duct provided in the suction nozzle, a suction exhaust device connected to the suction duct, and an exhaust duct for exhausting dust to the outside, and the suction nozzle of the filter device has one end thereof By connecting to the suction duct and providing a plurality of openings in the suction nozzle, the openings are positioned substantially in the entire width of the filter width of the air filter and perpendicular to the cleaning direction. The machine can be equipped with a filter device that has excellent dust absorption performance and can be cleaned automatically, so that performance can be maintained and power consumption can be prevented from increasing. Kill.

  Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1)
1 is a perspective view of a filter device according to Embodiment 1 of the present invention, FIGS. 2 and 3 are external views of an intake nozzle according to Embodiment 1 of the present invention, FIG. 4 is a front view of an air conditioner, FIG. 6 is a cross-sectional view of the air conditioner according to Embodiment 1 of the present invention.

  A heat exchanger 11 and a fan 12 are arranged inside the air conditioner main body 13, and the operation of the fan is performed from a plurality of suction ports (not shown) formed from the front surface to the upper surface of the main body 13. The air is sucked in by the air and dust floating in the air is removed by the filter device 1 provided between the suction port and the heat exchanger 11.

  The filter device 1 includes a filter frame 2, an air filter 6, a movable suction nozzle 5, a suction duct 3 provided in the suction nozzle 5, and a suction exhaust device 7 and an exhaust duct 8 connected to the suction duct 3. It consists of Here, two suction nozzles 5 are arranged side by side in the moving direction of the suction nozzle 5, and a first suction port 5a1 and a second suction port 5a2 are provided respectively. The first suction port 5 a 1 is opened at a position facing the front surface portion of the air filter 6, and the second suction port 5 a 2 is opened at a position facing the upper surface portion of the air filter 6. As is clear from FIG. 1, the suction nozzle 5 is provided with a suction duct 3 only at one end, that is, at the lower end.

  The operation of the filter device 1 configured as described above will be described. After the operation of the air conditioner body 13 is stopped, the suction / exhaust device 7 starts to operate, and air is supplied from the first suction port 5a1 and the second suction port 5a2 that are individually provided in the two suction nozzles 5 installed in the suction duct 3. Start inhaling. Then, the two suction nozzles 5 located at one end of the air filter 6 are moved in the direction of the arrow A as shown in FIG. 1 by the drive wire 9 connected to the drive motor 10, and the air filter The dust adhering to the surface of 6 is sucked from the first suction port 5a1 and the second suction port 5a2 provided in the suction nozzle 5, and the dust passes through the suction duct 3 and the suction exhaust device 7 and is discharged from the exhaust duct 8 to the outside.

Here, when the suction nozzle 5 cleans the entire surface of the air filter 6 and moves to the opposite one end, if the drive motor 10 is rotated in the reverse direction, the suction nozzle 5 moves in a direction to return to the initial position. It becomes possible to clean the surface of the air filter 5 once again.

  As described above, by providing two suction nozzles 5 and dividing the suction port, it is possible to reduce the opening area of the suction port per suction nozzle, so the speed of the suction air passing through the suction port Can increase the suction power. For this reason, the dust adhering to the surface of the air filter 6 can be more reliably sucked.

  In the present embodiment, the two-arranged suction nozzles 5 are provided, but in some cases, two or more configurations may be employed. In addition, as shown in FIGS. 2 and 3, in one suction nozzle 5, the suction passage 5c may be divided and a suction port may be provided in each suction passage 5c.

  According to this embodiment, the air conditioner can be provided with a filter device that has excellent dust absorption performance and can be cleaned automatically, and performance can be maintained and power consumption can be prevented from increasing.

(Embodiment 2)
FIG. 7 is a diagram for explaining the second embodiment of the present invention.

  By arranging the suction ports 5a1, 5a2 provided individually in the divided suction passages 5c in a direction orthogonal to the moving direction of the suction nozzle 5 without gaps or overlapping (δ ≧ 0), Suction can be performed without leaving dust adhering to the surface of the filter 6. For this reason, it becomes possible to clean the air filter 6 more reliably. In addition, in order to make the dust adhering to the air filter 6 be alternately sucked from the first suction port 5a1 and the second suction port 5a2, a passage switching means that can alternately open and close the suction passage 5c may be provided.

The perspective view of the filter apparatus in Embodiment 1 of this invention 1 is an external view of a suction nozzle of a filter device according to Embodiment 1 of the present invention. External view of suction nozzle of filter device in Embodiment 2 of the present invention The front view of the air conditioner in Embodiment 1 of this invention Sectional drawing in the II cross section of FIG. Sectional drawing in the II-II cross section of FIG. External view of suction nozzle of filter device in Embodiment 2 of the present invention Front view of an air conditioner showing a conventional example Sectional drawing in the III-III cross section of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Filter apparatus 2 Filter frame 3 Suction duct 5 Suction nozzle 5a1 1st inlet 5a2 2nd inlet 5c Suction passage 6 Air filter 7 Suction exhaust apparatus 8 Exhaust duct 9 Drive wire 10 Drive motor 11 Heat exchanger 12 Fan 13 Main body

Claims (1)

A filter device is provided between the heat exchanger of the air conditioner and the suction port. The filter device includes a filter frame, an air filter, and a suction nozzle that sucks dust adhering to the surface of the air filter from the suction port. A suction duct provided in the suction nozzle, a suction exhaust device connected to the suction duct, and an exhaust duct for exhausting dust to the outside, the suction nozzle of the filter device has one end connected to the suction duct, The suction nozzle is provided with a plurality of openings, and the openings are located substantially in the entire filter width of the air filter and perpendicular to the cleaning direction.