JP4494388B2 - Filter cleaning device and air conditioner - Google Patents

Description

  The present invention is equipped with a filter cleaning device, in particular, a filter cleaning device that automatically removes dust, dust, lint, etc. (collectively referred to as “dust” in the present invention) trapped in the filter, and the filter cleaning device. It is related to the air conditioner.

Conventionally, there are the following air conditioners equipped with a filter cleaning device. For example, a filter that passes a filter through a dust box having a filter cleaning unit that removes dust from the filter and slides the filter forward to the outside of the machine to remove dust attached to the filter is known (for example, Patent Documents). 1).
In addition, in a configuration substantially similar to the above, there is also disclosed a dust box provided with a viewing window made of a transparent member whose inside can be visually observed (for example, Patent Document 2).
JP 2006-71135 A JP-A-2005-155594

  However, conventional filter cleaning devices for air conditioners have the following problems. For example, in the case of a conventional filter cleaning device such as Patent Documents 1 and 2, the filter is pushed out of the machine while pushing up the open / close panel provided on the front panel of the air conditioner during cleaning. The possibility of contact with the filter has increased, and there has been a problem in terms of user safety and filter durability.

  The present invention has been made in view of the above problems, and in a filter cleaning apparatus of a type in which a filter attached to a device such as an air conditioner is moved to clean the filter, the device can be cleaned even when the filter is cleaned. An object of the present invention is to provide a filter cleaning device that ensures safety and durability of a filter so that a user cannot easily touch the filter, and an air conditioner including the same.

The filter cleaning device of the present invention is attached to a device provided with a filter corresponding to the intake port where an intake port is formed, and moving the filter from a position corresponding to the intake port to another position, A filter cleaning device for removing dust trapped in the filter,
A dust removing unit that contacts the filter and removes the dust trapped by the filter;
A dust collecting section having a container section for storing the dust removed by the dust removing section and a front cover section for covering the moved filter from the front side of the device ;
A filter moving mechanism that reciprocates the filter along the dust removing unit and the dust collecting unit ,
At least the dust collecting unit is detachably attached to the housing of the device .

  According to the filter cleaning device of the present invention, the front cover part prevents the user of the device equipped with the device from touching the filter even during cleaning of the filter. Therefore, the safety of the user and the durability of the filter are ensured. Sex can be secured.

Embodiment 1 FIG.
FIG. 1 is a schematic cross-sectional view of a central portion of an air conditioner according to an embodiment of the present invention. FIG. 2 is a drawing of a filter cleaning device according to an embodiment of the present invention from the configuration of the air conditioner of FIG. It is sectional drawing which shows the structure of the filter cleaning apparatus shown.

As shown in FIG. 1, the air conditioner 100 includes a housing 10 having an air inlet 11 formed in the top surface and an exhaust port 12 formed in a lower portion thereof, and is installed in the housing 10 to suck air. A blower fan 20 that blows out the sucked air, a heat exchanger 30 that is arranged in an air passage formed by the blower fan 20 and that harmonizes the sucked air, a filter 40 that captures dust contained in the sucked air, and a filter And a filter cleaning device 50 for cleaning dust adhering to 40.
The filter cleaning device 50 is disposed on the front side (front side) of the air conditioner 100, and a front door 13 that can be opened and closed is provided on the front side of the filter cleaning device 50. By opening the front door 13, various operations (attachment, removal, dust collection, etc.) with respect to the filter cleaning device 50 are possible.

During cleaning, the filter 40 moves in a circular arc shape from the top surface side corresponding to the air inlet 11 to the front surface side of the air conditioner 100 with the filter cleaning device 50, and then moves back to the top surface side again. It is installed in the mode to do. Reference numeral 40 a in FIG. 1 indicates such a moving trajectory (path) of the filter 40.
The filter 40 includes a filter ventilation body 41 and a filter frame body 42 that holds the filter ventilation body 41, and the filter ventilation body 41 is attached to the filter frame body 42 so as to be replaceable.
Among the filter frame bodies 42, the filter frame body 42 constituting the central portion of the filter 40 is formed with a rack as a filter driven gear 45 that meshes with a drive gear of the filter moving mechanism section 60 described later.
The filter ventilation body 41 and the filter frame body 42 of the filter frame body 42 are made of resin or the like, and can be bent or bent.

As shown in FIG. 2, the filter cleaning device 50 includes a filter moving mechanism 60 that moves the filter 40, and a dust removing unit 70 that contacts the filter vent 41 of the filter 40 and removes dust trapped therein. And a dust collecting unit (here, a dust collecting case 80 corresponds) for storing and collecting the dust removed by the dust removing unit 70.
The dust removing unit 70 is a rotating brush or an adsorbing body, and these are supported by a cantilever member 71 attached to the dust collecting case 80, for example.
The dust collecting case 80 has a plate-like portion that is open at a portion facing the dust removing portion 70, has a space formed therein, and extends downward from the lower end of the container portion 81. And a front cover portion 82.
The filter driving unit 60, the dust removing unit 70, and the dust collecting case 80 are detachably attached to the casing 10 of the air conditioner 100.

FIG. 3 is a perspective view showing the appearance of the dust collection case 80. As shown in FIG. 3, the dust collection case 80 includes a container part 81 that accumulates dust and a front cover part 82 that extends from the lower end of the container part 81. The front cover portion 82 is formed in such a manner as to cover the front side of the air conditioner 100 when the dust collection case 80 is attached to the housing 10 of the air conditioner 100.
The container portion 81 is formed with a concave handle portion 87 that is used when the dust collection case 80 is attached to or detached from the housing 10 of the air conditioner 100.
The front cover part 82 used here consists of a part of the outer case 81 constituting the dust collection case 80 and is formed integrally with the container part 81, but the front cover part 82 is a part of the container part 81. You may form from the plate-shaped separate member extended from the edge part.

Here, the dust collection case 80 is composed of an outer case 83 and an inner case 84, and the outer case 83 is also provided with a portion that becomes the front cover portion 82.
If the outer case 83 and the inner case 84 are made of a transparent material, the moving filter 40 can be confirmed, so that it is easy to ensure the safety of the worker who is working by opening the front door 13.

  When the front door 13 on the front surface of the air conditioner 100 is opened, a space 150 is formed in the foremost part. Conventionally, the space 150 has been used as an opening for sucking air into the heat exchanger 30, but in the present embodiment, the air inlet 11 is formed on the top surface side, and the front cover portion is formed in the space 150. 82 is arranged. The front cover portion 82 has a shape that prevents a person in the room from coming into contact with the filter 40 when the filter 40 moves from the top surface side to the front surface side.

In the air conditioner 100 described above, during the operation of the air conditioner 100, for example, the filter moving mechanism unit 60 is operated at a predetermined interval, and the filter 40 is moved from the top surface side to the dust removing unit 70, The dust is reciprocated in a circular arc along the dust collection case 80 and the front cover portion 82. At this time, the dust removing unit 70 comes into contact with the filter 40, and the dust is separated from the filter 40 to clean the filter 40, whereby the separated dust is stored in the container 81. The dust stored in the container part 81 can be recovered by removing the dust recovery case 80.
According to the air conditioner 100 of Embodiment 1 described above and the filter cleaning device 50 employed therein, the user of the air conditioner 100 can easily touch the filter 40 when cleaning the filter 40. Therefore, the safety of the air conditioner 100 and the durability of the filter 40 are improved.

Embodiment 2. FIG.
Here, the filter moving mechanism of the filter cleaning device 50 will be described. 4 is a perspective view showing the relationship between the filter moving mechanism 60 constituting the filter moving mechanism of the filter cleaning device 50 and the filter 40 to be cleaned, and FIG. 5 explains the structure of the filter moving mechanism 60 in FIG. It is a schematic diagram for.
The filter moving mechanism section 60 includes a filter drive gear 61 that meshes with a filter driven gear 45 formed in the filter 40, a filter drive shaft 62 that has the filter drive gear 61 fixed substantially at the center, and one of the filter drive shafts 62. A rotational force input gear 63 fixed to the end, an electric motor 64 that applies rotational force to the filter drive shaft 62 via the rotational force input gear 63 and the rotational force transmission gear 68, and the filter drive shaft 62 are rotatably supported. And a filter moving mechanism main body 65.

  The filter moving mechanism section main body 65 is provided with a filter pressing shaft 66 that is disposed in parallel with the filter driving shaft 62 and presses the filter 40. The filter holding shaft 66 is installed in the following manner, for example. That is, both end portions of the filter pressing shaft 66 are supported by being urged in the lifting direction by the elastic member 67 provided in the filter moving mechanism main body 65, and by pressing the filter pressing shaft 66 from above, The filter pressing shaft 66 is configured to be pressed in the pressing direction against the lifting force of the elastic member 67.

  In the filter cleaning device 50, a part of the inner case of the dust collection case 80 attached to the housing 10 is disposed so as to press the filter pressing shaft 66. As a result, the filter pressing shaft 66 resists the lifting force of the elastic member 67 and presses the filter driven gear 45 of the filter 40 toward the filter driving gear 61 provided on the filter driving shaft 62, so that these gears are pressed. 45 and 61 are properly meshed.

Therefore, when the dust collection case 80 is removed from the housing 10 in order to collect the dust from the dust collection case 80, there is no pressing force on the filter holding shaft 66, and the filter holding shaft 66 is moved upward by the elastic member 67. It will be pushed up. For this reason, the filter pressing shaft 66 is not pressed against the filter 40. Accordingly, the filter 40 formed of resin or the like is lifted forward by its own elastic force, the meshing between the filter driving gear 61 and the filter driven gear 45 is disengaged, and the movement of the filter 40 is stopped.
By doing so, the movement of the filter 40 is stopped during the work of removing the dust collecting case 80 and collecting the dust, so that the safety and workability of the operator can be ensured.
Note that the configuration of the filter moving mechanism section 60 described here is an example, and it goes without saying that another mechanism that performs the same function as that described above may be adopted.

The schematic sectional drawing of the center part of the air conditioner which concerns on embodiment of this invention. Sectional drawing which shows the structure of the filter cleaning apparatus provided in the air conditioner of FIG. The perspective view which shows the external appearance of the dust collection case of a filter cleaning apparatus. The perspective view which shows the relationship between the filter moving mechanism part of a filter cleaning apparatus, and the filter of cleaning object. The schematic diagram explaining the structure of the filter moving mechanism part of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Case, 11 Intake port, 12 Exhaust port, 13 Front door, 20 Blower fan, 30 Heat exchanger, 40 Filter, 40a Filter moving track, 41 Filter ventilation body, 42 Filter frame body, 45 Filter driven gear, 50 Filter cleaning device, 60 Filter moving mechanism, 61 Filter driving gear, 62 Filter driving shaft, 63 Rotational force input gear, 64 Electric motor, 65 Filter moving mechanism housing, 66 Filter holding shaft, 67 Elastic member, 68 Rotating force transmission Gear, 70 Dust removal part, 80 Dust collection case, 81 Container part, 82 Front cover part, 83 Outer case, 84 Inner case, 87 Handle part, 90 Space, 100 Air conditioner.

Claims (9)

Dust trapped in the filter is removed by moving the filter from a position corresponding to the air inlet to another position, which is attached to a device having an air inlet formed and provided with a filter corresponding to the air inlet. A filter cleaning device to be removed,
A dust removing unit that contacts the filter and removes the dust trapped by the filter;
A dust collecting section having a container section for storing the dust removed by the dust removing section and a front cover section for covering the moved filter from the front side of the device ;
A filter moving mechanism that reciprocates the filter along the dust removing unit and the dust collecting unit ,
At least the dust collection unit is detachably attached to the housing of the device.   The filter cleaning apparatus according to claim 1, wherein the dust collection part is formed of a transparent member. The filter cleaning device according to claim 1 or 2, wherein the front cover part is integrally formed with the container part . The filter moving mechanism section includes a filter drive gear that meshes with a filter driven gear provided in the filter, a filter drive shaft to which the filter drive gear is fixed, and an electric motor that applies a rotational force to the filter drive shaft. The filter cleaning apparatus according to any one of claims 1 to 3, wherein the filter cleaning apparatus is provided.   5. The filter moving mechanism section is provided with a filter pressing shaft that is disposed with a gap through which the filter driving shaft and the filter pass and presses the filter driven gear against the filter driving gear. Filter cleaning device. While the dust collecting part is mounted on the housing, a part of the dust collecting part presses the filter holding shaft of the filter moving mechanism part against the filter driving gear side against the elastic force of the elastic member. And
When the dust collecting part is removed from the housing , the pressing force of the filter pressing shaft toward the filter driving gear is released by the elastic force of the elastic member. The filter cleaning apparatus according to claim 5. A dust removing unit that is attached to a device equipped with a filter corresponding to the air inlet and that contacts the filter to remove dust trapped by the filter, and a container unit that stores the dust removed by the dust removing unit A dust collecting part having a front cover part that covers the moved filter from the front side of the device, and a filter moving mechanism part for reciprocating the filter along the dust removing part and the dust collecting part A filter cleaning device that removes dust trapped in the filter by moving the filter from a position corresponding to the air inlet to another position,
The filter moving mechanism is
A filter driving gear meshing with a filter driven gear provided in the filter;
A filter drive shaft to which the filter drive gear is fixed;
An electric motor for applying a rotational force to the filter drive shaft;
A filter pressing shaft that is disposed across a gap through which the filter drive shaft and the filter pass, and that presses the filter driven gear against the filter drive gear,
The dust collection unit is detachably installed in the housing of the device at a midway position in the movement path of the filter,
While the dust collecting part is mounted on the housing, a part of the dust collecting part presses the filter pressing shaft against the filter driving gear side against the elastic force of the elastic member ,
When the dust collecting part is removed from the housing, the pressing force of the filter pressing shaft toward the filter driving gear is released by the elastic force of the elastic member, and the filter driving gear and the filter driven gear are released. The filter cleaning device is characterized in that the engagement with is disengaged. A housing in which an air inlet is formed;
A blower fan installed in the housing and sucking air from the intake port;
A filter for capturing dust contained in the sucked air;
A heat exchanger for harmonizing the sucked air installed in the air passage formed by the blower fan;
The filter cleaning device according to any one of claims 1 to 7, wherein dust attached to the filter is cleaned.
An air conditioner comprising: The air conditioner according to claim 8, wherein a front door that can be opened and closed is provided on a front side of the filter cleaning device.

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