JP2007192532A - Air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioner capable of properly cleaning a filter in response to an operation state of the air conditioner. <P>SOLUTION: This air conditioner has the filter 13, a filter cleaning device 20 cleaning the filter 13 and an indoor unit control part 10 controlling operation of the filter cleaning device 20. The indoor unit control part 10 controls to operate the filter cleaning device 20 in any of a plurality of different operation modes in response to a plurality of respective timings. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates generally to an air conditioner, and more particularly to an air conditioner that automatically cleans a filter.

  Conventionally, an air conditioner capable of automatically cleaning a filter is known.

  For example, in Japanese Patent Application Laid-Open No. 2004-360995 (Patent Document 1), an air conditioner that activates a filter cleaning device when the end of an air conditioning operation is detected and does not activate the filter cleaning device when the air conditioning operation is terminated by a timer-off function. Machine control devices have been proposed.

In addition, the air conditioner control device described in Japanese Patent Application Laid-Open No. 2005-195240 (Patent Document 2) is an automatic cleaning mode in which the filter cleaning means is driven at least when an auto-cleaning operation integration time set in advance is reached. And a manual cleaning mode in which the filter cleaning means is driven at any time by the operation of the remote control, and the auto clean operation integration time can be arbitrarily set by the remote control, and the operation of the air conditioner is turned off and the timer is timed up When the automatic cleaning mode is stopped, the execution of the automatic cleaning mode is prohibited even if the accumulated time becomes a predetermined value at that time and the conditions of the automatic cleaning mode are satisfied.
JP 2004360995 A JP 2005-195240 A

  However, in the conventional air conditioner, the timing of cleaning the filter is controlled, but the content of the filter cleaning operation is the same. For this reason, it is difficult to perform appropriate filter cleaning according to the timing.

  Then, the objective of this invention is providing the air conditioner which can clean a filter appropriately according to the operating condition of an air conditioner.

  The air conditioner according to the present invention includes a filter, a filter cleaning device that cleans the filter, and a control unit that controls the operation of the filter cleaning device. The control unit controls the filter cleaning device to operate in any of a plurality of different operation modes according to each of the plurality of timings.

  In the present invention, the control unit controls the filter cleaning device to operate in any one of a plurality of different operation modes according to each of the plurality of timings, so that it responds to various timings in the operating condition of the air conditioner. The filter cleaning device can be operated in different operation modes. For this reason, the filter can be cleaned with different cleaning contents according to various timings in the operating condition of the air conditioner.

  In the air conditioner of the present invention, the plurality of timings are the time when the operation of the air conditioner is terminated by the timer off, the operation of the air conditioner other than the timer off is completed, and the operation of the air conditioner is stopped. Preferably there is.

  By doing in this way, while the content of the filter cleaning performed at the time of the end of operation by timer-off of the air conditioner can be made different from the content of cleaning of the filter performed at the time of operation other than timer-off, the air conditioner The cleaning content of the filter that is performed while the operation is stopped can also be varied. Thereby, the cleaning of the filter can be executed with appropriate cleaning contents according to the operating condition of the air conditioner.

  Moreover, in the air conditioner of this invention, it is preferable that the operation time of a filter cleaning apparatus differs in several operation modes.

  By doing in this way, a filter can be cleaned by the cleaning time which differs according to the various timing in the operating condition of an air conditioner.

  Furthermore, in the air conditioner of the present invention, it is preferable that the operation sound is different in the plurality of operation modes.

  By doing so, the filter can be cleaned with different operation sounds according to various timings in the operating condition of the air conditioner, so that an appropriate filter is considered in consideration of noise that causes discomfort to the user. Cleaning can be performed.

  As described above, according to the present invention, the filter can be cleaned with different cleaning contents according to various timings in the operating condition of the air conditioner. It is possible to clean.

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

  First, as one embodiment of the present invention, the configuration of a filter cleaning device in an air conditioner will be described.

  FIG. 1 is an external perspective view of an indoor unit of an air conditioner as one embodiment of the present invention, and FIG. 2 is a sectional view thereof. FIG. 3 is a partial cross-sectional view showing a state in which the front panel is opened in the indoor unit of FIG. FIG. 4 is a perspective view showing a state where the panel is removed from the indoor unit of FIG. FIG. 5 is an end view of the front box and the back box used in the indoor unit of FIG. 6 is a plan view of a filter used in the indoor unit of FIG. 1 (A), a cross-sectional view taken along line BB in FIG. 1A, and a cross-sectional view taken along line CC in FIG. It is. FIG. 7 is a perspective view of the filter of FIG. FIG. 8 is an enlarged perspective view of a portion indicated by a part VIII of the filter of FIG. FIG. 9 is a perspective view showing a part of the indoor unit of FIG. FIG. 10 is a schematic cross-sectional view showing the state of the dust removal box and the filter in FIG. FIG. 11 is a diagram showing another aspect of the filter in FIG.

  As shown in FIGS. 1 and 2, a suction port 111 and a blower port 12 are formed in the upper and lower portions of the indoor unit body 1 of the air conditioner, respectively. Inside the indoor unit main body 1, a ventilation path is formed between the inlet 111 and the outlet 12. In this ventilation path, the filter 13, the indoor heat exchanger 14, and the blower fan 15 are arranged in this order with the suction port 111 side as the upstream side. The indoor unit main body 1 is provided with a filter cleaning device 20 that cleans the filter 13.

  A louver 18 that changes the direction of air flow in the vertical direction is swingably attached to the air outlet 12. The louver 18 operates quickly when the air-conditioning air flow is turned off, and closes the outlet 12 as shown in FIG. That is, the louver 18 also serves as an open / close panel for the air outlet 12.

  When the air conditioning operation is performed in the indoor unit main body 1 configured as described above, first, the blower fan 15 is operated and the indoor air is sucked from the suction port 111, and the indoor air passes through the filter 13 and passes through the indoor heat. Contact the exchanger 14. The indoor air conditioned by being warmed or cooled by the indoor heat exchanger 14 is discharged into the room from the air outlet 12.

  The front portion of the indoor unit body 1 is formed to be openable and closable by a front panel 16. A filter guide 17 is formed inside the front panel 16. As shown in FIG. 3, when the front panel 16 is pulled upward and opened, the front end of the filter guide 17 rotates in conjunction with the front panel 16 and faces forward. Thereby, the filter 13 can be inserted. When the front panel 16 is closed, the tip of the filter guide 17 is also rotated downward, and the filter 13 is set in the indoor unit body 1 as shown in FIG.

  As shown in FIG. 1, the suction ports 111 are formed at two places on the left and right of the upper surface of the indoor unit body 1. Below that (in the vicinity of the downstream side), as shown in FIG. 4, two filters 13 formed in a vertically long rectangle corresponding to each suction port 111 are arranged side by side. The length of the filter 13 in the horizontal direction is formed to be substantially the same as that of each suction port 111. The length of the filter 13 in the vertical direction is longer than the length of the suction port 111 in the vertical direction. The lower portion of the filter 13 is bent and held along the filter guide 17 with the front panel 16 closed.

  Next, the filter cleaning device will be described. The filter cleaning device 20 includes a dust removal box (referred to as a front side box) 21 covering the surface of the filter 13, a dust removal box (referred to as a back side box) 22 covering the back surface of the filter 13, a suction fan 23 as a suction means, And moving means for reciprocating 13 in the vertical direction. The front-side box 21 and the back-side box 22 are formed in a halved shape, and as shown in FIG. 5, they can be abutted at the opening surfaces 21b and 22b.

  As shown in FIGS. 1 and 4, the front-side box 21 and the back-side box 22 are located slightly in front of the suction port 111, that is, near the boundary between the top panel 11 in which the suction port 111 is formed and the front panel 16. The filter 13 is arranged so as to face each other with the filter 13 interposed therebetween. Thereby, the front side box 21 and the back side box 22 do not prevent the air sucked from the suction port 111 from passing through the filter 13.

  The front-side box 21 and the back-side box 22 are formed in an elongated shape, and are installed with the longitudinal direction oriented in the lateral direction of the filter 13 so as to cross the two filters 13 arranged side by side. As shown in FIG. 11, with the filter 13 in between, the opening end faces 21a and 22a are arranged with a gap x therebetween as shown in FIG.

  Specifically, as shown in FIG. 4, a vent 24 is formed on one end side in the longitudinal direction of the front box 21 and the back box 22, and a gap x is maintained between them on the other end side. The pipe 25 is fitted and held. The other end side of the pipe 25 is connected to the suction fan 23.

  That is, the boxes 21 and 22 are arranged to face each other, thereby forming a box body in which a vent hole 24 is formed on one end side and a suction fan 23 is connected on the other end side. The enclosed space is a flow path 26. The flow path 26 is configured such that the air vent 24 of the box body is an inlet, and an air flow is generated by sucking air from the inlet to the suction fan 23.

  In one embodiment of the present invention, an air flow is generated in the flow path 26, and the air is caused to flow in a direction substantially parallel to the filter 13 from the side of the filter 13 accommodated in the box body, thereby attaching to the filter 13. Dust is removed. As shown in FIG. 5, two slit-shaped gaps 27 (interval x) are formed in the box body in the longitudinal direction. The filter 13 is arranged so that it can move in the gap 27 in the vertical direction.

  In the present embodiment, the box body is formed such that the front side box 21 and the back side box 22 are formed as separate bodies and are arranged to face each other, but two slits are provided in the longitudinal direction of the cylindrical body. Thus, the front side box and the back side box can be integrally formed.

  The specific configuration of the filter 13 will be described. As shown in FIGS. 6 and 7, the filter 13 includes a mesh filter 131 and a synthetic resin frame provided around the mesh filter 131 in order to reinforce the mesh filter 131. 132. The frame body 132 includes a vertical frame 133 and a horizontal frame 134. Further, the filter 13 is reinforced by vertical ribs 135 and horizontal ribs 136.

  A plurality of the vertical ribs 135 and the horizontal ribs 136 are made of synthetic resin and formed on the surface of the mesh filter 131 at equal intervals. The horizontal frame 134 and the horizontal rib 136 are formed in a convex shape to prevent the filter 13 from warping or waviness, that is, thick, whereas the vertical frame 133 and the vertical rib 135 are formed in the horizontal frame 134. And thinner than the lateral rib 136. Thereby, the filter 13 can be easily bent in the vertical direction while maintaining the rigidity in the horizontal direction.

  A rack portion 137 is provided on the outer edge of the vertical frame 133 in the vertical direction. The rack portion 137 meshes with a pinion 35 which is a moving means to be described later, and reciprocates the filter 13 in the vertical direction. The rack portion 137 has a shape obtained by forming a strip-like material into a corrugated shape, and this peak portion functions as a rack. It is like that. Moreover, the rack part 137 is formed separately from the adjacent lateral rib 136 as shown in FIG. In this way, the rack portion 137 is formed in a corrugated shape and separated from the adjacent lateral rib 136, so that the flexibility of the filter 13 in the vertical direction is maintained.

  As described above, the mesh filter 131 is stretched on the upper portion of the filter 13 in order to allow the air sucked from the suction port 111 to pass therethrough. A thin resin sheet 138 is provided below the filter 13 instead of the mesh filter 131. Is used, and the lower part of the filter 13 has a structure in which air does not pass. Note that the resin sheet 138 is formed thin like the vertical ribs 135, thereby ensuring vertical flexibility over the entire filter 13.

  The moving means for reciprocating the filter 13 in the vertical direction includes a filter holding means 31 for holding the filter 13 and a drive unit 30 for moving the filter 13 by the motor 32 as shown in FIGS. . The filter holding means 31 is composed of a pair of guide paths. The guide path is formed in a substantially U-shaped cross section, and the left and right ends of the filter 13 can be inserted. By passing the rigid lateral frame 134 and the lateral rib 136 between the pair of left and right guide paths, the filter 13 is held in the guide path without being deformed.

  The cross-sectional shape of the filter holding means 31 is shown as a black portion and a shaded portion in FIG. As shown in FIG. 2, the filter holding means 31 is provided along the suction port 111. The filter holding unit 31 is gently inclined downward on the front side of the suction port 111, and between the front side box 21 and the back side box 22. A U-shaped path 31 a that passes through and descends substantially vertically along the front panel 16 and then U-turns inward and rises toward the suction port 111 is formed. The filter guide 17 described above constitutes a part of the filter holding means with the front panel 16 closed.

  The drive unit 30 includes a motor 32, a drive gear 34 coupled to the motor 32, and a pinion 35 and a rubber roller 36 that mesh with the drive gear 34. A gear having the same shape as a pinion (not shown) is attached to the rotation shaft of the rubber roller 36, so that the pinion 35 and the rubber roller 36 rotate in the same direction.

  The pinion 35 is disposed so as to be partially exposed from the filter holding means 31 near the box body and mesh with the back surface side of the rack portion 137 provided in the filter 13. The rubber roller 36 is disposed so as to be partly exposed in the U-shaped path 31a, and rotates in contact with the back side of the filter 13 in the U-shaped path 31a, whereby the movement of the bent filter 13 is caused by the frictional force thereof. It is configured to perform smoothly.

  One drive unit 30 is attached to each of the left and right guide paths of the filter holding means 31. However, as shown in FIG. Each drive gear 34 arranged is fixed to the same rotating shaft 33 connected to the motor 32, and is driven to rotate in the same way on the left and right.

  When the filter 13 is set in the indoor unit body 1, the filter 13 is inserted into the filter holding means 31 from the filter guide 17 with the top of the filter 13 at the top, and the filter 13 is disposed below the suction port 111. At this time, as shown in FIGS. 5 and 10, the distance x between the boxes 21 and 22 is set to be slightly larger than the combined thickness y of the ribs 136 and the filter 13. Thus, the filter 13 can be set smoothly without causing a large friction between the filter 13 and the boxes 21 and 22. The filter 13 is set with the surface on which the lateral ribs 136 are formed (the surface indicated by the arrow Q in FIG. 7) as the surface, and this surface is set up. Good.

  FIG. 10 is a schematic cross-sectional view showing the state of both boxes and the filter when the filter 13 is set in the indoor unit body 1. In the filter 13, horizontal ribs 136 are formed at substantially the same distance z as the width of the boxes 21 and 22 (the distance between the opening end faces 21a and 22a of the dust removal box). Thereby, it is possible to position the lateral rib 136 in the two gaps 27 formed in the box body and block the gap 27. Thus, it becomes possible to form a cylindrical box body without a gap by the front side box 21, the back side box 22, and the lateral ribs 136 interposed therebetween.

  In this embodiment, the interval x is set to be slightly larger than the thickness y of the thickness of the lateral rib 136 and the thickness of the filter 13, but this takes into account the warp of the filter and the like. The filter 13 is smoothly inserted. When the suction fan 23 is operated, the inside of the flow path 26 becomes negative pressure and the dust removal boxes are in close contact with each other. The same suction force as when set to the same value can be obtained.

  Next, the operation of cleaning the filter 13 by the filter cleaning device configured as described above will be described.

  First, when the filter 13 is set in the indoor unit main body 1 and the air conditioner is operated, air is sucked from the suction port 111 and, as shown in FIG. Dust 13b in the air adheres to the surface of each compartment 13a.

  The indoor unit main body 1 is provided with a control unit including an input circuit, a CPU, a memory, and an output circuit, and controls the operation of the suction fan 23 and moving means according to a predetermined timing as will be described later. Thus, the filter 13 is cleaned.

  Specifically, first, the moving means is operated, and the filter 13 is moved by the distance z between the horizontal ribs 136 in the vertical direction and stopped as indicated by an arrow R in FIG. At this time, since there is a gap x between the front box 21 and the back box 22, the filter 13 can be moved without the front box 21 coming into contact with the dust 13 b attached to the surface of the filter 13. Can do. In this way, the section 13a that was initially adjacent to the flow path 26 can be put into the flow path 26, and further, the lateral rib 136 can be positioned in the gap 27 of the box body.

  Next, the suction fan 23 is operated, and air is sucked from the vent 24 which is the inlet of the flow path 26 to the position of the suction fan 23. As a result, an air flow having a high flow velocity is generated in the flow path 26, and the dust 13b adhering to the surface of the section 13a is blown off to remove the dust. In this case, a rotating brush (not shown) may be driven in the flow path 26. The dust 13b removed from the section 13a is collected by installing a dust collection pack between the flow path 26 and the suction fan 23, or from the suction fan 23 in the direction indicated by the arrow P in FIG. Can be discharged outdoors. Thereafter, the filter 13 can be cleaned for each section 13a by repeating the above operation.

  When cleaning the last section 13a, the filter 13 is in the most moved state, but the filter 13 is bent and held in the filter holding means 31, so the filter 13 is not exposed to the outside of the indoor unit. There is no risk of losing aesthetics. When the cleaning of the last section 13a is completed, the filter 13 is moved to the original position by the moving means.

  In the present embodiment, the one end side in the longitudinal direction of the box body constituted by the front side box 21 and the back side box 22 is the vent hole 24 opened to the entire surface, but the opening area of the vent hole 24 can be reduced. It is. In this case, the flow velocity of the air flowing through the flow path 26 can be increased, and dust attached to the surface of the filter can be efficiently removed.

  Further, the horizontal ribs 136 formed on the surface of the filter 13 are formed at substantially the same interval z as the widths of both the boxes 21 and 22, but can also be formed at intervals that equally divide the interval z. For example, as shown in FIG. 11, the lateral ribs 136 can be formed at intervals of z / 2. In this case, the filter 13 may be moved by the interval z or may be moved by the interval z / 2.

  Next, the operation timing of the filter cleaning device that operates as described above will be described.

  FIG. 12 is a block diagram illustrating control of operation of the filter cleaning device. FIG. 13 is a flowchart showing the operation procedure of the filter cleaning device performed at the timing when the operation of the air conditioner is stopped. FIG. 14 is a flowchart showing an operation procedure of the filter cleaning device performed while the operation of the air conditioner is stopped.

  FIG. 15 is a diagram showing a configuration of a remote controller of an air conditioner as one embodiment of the present invention. FIG. 16 is a diagram showing a partial configuration of the remote controller of FIG. By moving the cover 41 with the remote controller 40 shown in FIG. 15, as shown in FIG. 16, “cleaning” for setting the operation of the filter cleaning device or for operating the filter cleaning device. "Button 42 is visible.

  First, the operation button of the remote controller 40 shown in FIG. 15 is pressed to operate the air conditioner in a predetermined operation mode such as cooling. Thereby, as shown in FIG. 13, in step S1, the air conditioner is in an operating state.

  Thereafter, the operation of the air conditioner is stopped in step S2 by pressing an operation button of the remote controller 40 or by a timer or the like.

  At this time, in step 3, the indoor unit control unit 10 performs the operation of the filter cleaning device, that is, the “cleaning” operation by pressing the “cleaning” button 42 of the remote controller 40 shown in FIG. 16 in advance. It is determined whether or not it is set in advance. If it is not set in advance so that the filter cleaning device can be operated, the operation of the air conditioner is terminated.

  If it is set in advance so that the operation of the filter cleaning device is performed, in step S4, the indoor unit control unit 10 determines whether or not the operation of the air conditioner has been stopped by a timer.

  In the case where the air conditioner is not stopped by the timer but the operation of the air conditioner is stopped by pressing the operation button of the normal remote controller 40, the indoor unit controller 10 in step S5 A control signal is transmitted to the cleaning device 20 so as to perform “filter cleaning operation A”. The specific content of the filter cleaning in the “filter cleaning operation A” is, for example, reciprocating the operation of moving the filter 13 from one end to the other end and driving the suction fan 23. At this time, if the filter cleaning device 20 is provided with a rotating brush, the rotating brush is also driven.

  When the air conditioner is stopped by the timer, the indoor unit control unit 10 transmits a control signal to the filter cleaning device 20 to perform “filter cleaning operation B” in step S6. The specific content of the filter cleaning in the “filter cleaning operation B” is, for example, one reciprocation of the operation of moving the filter 13 from one end to the other end, but is relatively lower than the “filter cleaning operation A”. The suction fan 23 is driven by the voltage, or the suction fan 23 is not driven. At this time, if the filter cleaning device 20 is provided with a rotating brush, the rotating brush is driven or the rotating brush is not driven.

  As described above, when the air conditioner is stopped by the timer, the suction fan 23 is driven at a voltage relatively lower than the “filter cleaning operation A”, or the suction fan 23 is not driven, or the rotating brush is used. In order not to drive, the user often operates the air conditioner with a timer at bedtime, and when the air conditioner stops with the timer, the user is in a state where the sound of driving due to cleaning the filter is in a sleep state, etc. This is because appropriate filter cleaning is performed in consideration of giving an uncomfortable feeling. Moreover, it is preferable that the time of “filter cleaning operation B” is shorter than the time of “filter cleaning operation A”.

  If the filter cleaning operation is completed in step S5 or step S6, the air conditioner is in a stopped state.

  Thus, as shown in FIG. 14, when the air conditioner is stopped in step S7, the “cleaning” button 42 of the remote controller 40 shown in FIG. 16 is pressed in step S8. Thus, the filter cleaning device is operated. At this time, in step S <b> 9, the indoor unit control unit 10 transmits a control signal to the filter cleaning device 20 so as to perform “filter cleaning operation C”. The specific content of the filter cleaning in the “filter cleaning operation C” is, for example, three reciprocations of moving the filter 13 from one end to the other end, but relatively lower than “filter cleaning operation A”. The filter 13 is moved at a speed. For this reason, the time of “filter cleaning operation C” is longer than the time of “filter cleaning operation A”. At this time, if the filter cleaning device 20 is provided with a rotating brush, the rotating brush is also driven.

  In addition, after the filter cleaning is performed according to any of the above-described filter cleaning operations, the indoor unit control unit 10 causes the filter cleaning device 20 to perform the filter cleaning operation at a timing at which the operation of the air conditioner stops within a predetermined time. The control signal is not transmitted so that The predetermined time in this case is set to 24 hours, for example, stored in the nonvolatile memory (EEPROM) in the indoor unit control unit 10, and can be changed as appropriate using the remote controller 40.

  In addition, the number of reciprocations in the movement of the filter 13 in the “filter cleaning operation C” is set to 3 in the above embodiment, but is stored in the nonvolatile memory (EEPROM) in the indoor unit control unit 10. It can be changed appropriately using the remote controller 40.

  When the operation “stop” button of the remote controller 40 is pressed during any of the filter cleaning operations described above, the indoor unit control unit 10 transmits a control signal to the filter cleaning device 20 so as to forcibly terminate the filter cleaning operation. . When the “cleaning” button 42 of the remote controller 40 is pressed during the “filter cleaning operation C”, the indoor unit control unit 10 transmits a control signal to the filter cleaning device 20 so as to forcibly terminate the filter cleaning operation. .

  As described above, the indoor unit control unit 10 performs control so that the filter cleaning device 20 is operated in one of a plurality of different operation modes according to each of a plurality of timings. The filter cleaning device 20 can be operated in different operation modes depending on the timing. For this reason, the filter can be cleaned with different cleaning contents according to various timings in the operating condition of the air conditioner.

  In the above embodiment, the plurality of timings are as follows: when the air conditioner timer is turned off (step S6), when the operation other than the air conditioner timer is turned off (step S5), and when the air conditioner is operated. Stopping (step S9).

  By doing so, the filter cleaning content “filter cleaning operation B” performed at the end of the operation of the air conditioner with the timer off and the filter cleaning content “filter cleaning operation A” performed at the end of the operation other than the timer off are performed. While being able to vary, the cleaning content of the filter “filter cleaning operation C” performed while the operation of the air conditioner is stopped can also be varied. Thereby, the cleaning of the filter can be executed with appropriate cleaning contents according to the operating condition of the air conditioner.

  In the above embodiment, the operation time of the filter cleaning device is different in a plurality of operation modes, that is, “filter cleaning operation A”, “filter cleaning operation B”, and “filter cleaning operation C”.

  By doing in this way, a filter can be cleaned by the cleaning time which differs according to the various timing in the operating condition of an air conditioner. In particular, when the operation of the air conditioner is stopped, the filter can be carefully cleaned by extending the cleaning time of the “filter cleaning operation C”. In addition, when the air conditioner is turned off, the cleaning time of the “filter cleaning operation B” is shortened, so that the operation sound accompanying the filter cleaning is changed to sleep or the like when the air conditioner is stopped by the timer. It is possible to prevent a user from feeling uncomfortable as much as possible, and appropriate cleaning can be performed even when the operation of the air conditioner is ended due to timer-off.

  Furthermore, in the above-described embodiment, the operation sound of “filter cleaning operation B” is different from a plurality of operation modes, that is, “filter cleaning operation A” and “filter cleaning operation C”.

  By doing so, the filter can be cleaned with different operation sounds in accordance with various timings in the operating condition of the air conditioner, and therefore noise that causes discomfort to the user especially in the “filter cleaning operation B”. Appropriate filter cleaning can be executed in consideration of the above.

  In addition, in said embodiment, although the separate type air conditioner was demonstrated, an integrated air conditioner may be sufficient.

  The embodiment disclosed above should be considered as illustrative in all points and not restrictive. The scope of the present invention is shown not by the above embodiments but by the scope of claims, and includes all modifications and variations within the meaning and scope equivalent to the scope of claims.

It is an external appearance perspective view of the indoor unit of the air conditioner as one embodiment of this invention. It is sectional drawing of the indoor unit of the air conditioner as one embodiment of this invention. It is a partial cross section figure which shows the state which open | released the front panel in the indoor unit of FIG. It is a perspective view which shows the state which removed the panel in the indoor unit of FIG. It is an end view of the front side box and back side box used with the indoor unit of FIG. It is sectional drawing (B) in the BB line of (A) and (A) of the filter used with the indoor unit of FIG. 1, and sectional drawing (C) in CC line of (A). It is a perspective view of the filter of FIG. FIG. 8 is an enlarged perspective view of a portion indicated by a part VIII of the filter of FIG. 7. It is a perspective view which shows a part of indoor unit of FIG. It is a schematic sectional drawing which shows the state of the dust removal box and filter in FIG. It is a figure which shows another aspect of the filter in FIG. It is a block diagram which shows control of a driving | operation of a filter cleaning apparatus. It is a flowchart which shows the driving | operation procedure of the filter cleaning apparatus performed at the timing which the driving | operation of the air conditioner stopped. It is a flowchart which shows the operation | movement procedure of the filter cleaning apparatus performed while the driving | operation of an air conditioner stops. It is a figure which shows the structure of the remote controller of an air conditioner as one embodiment of this invention. It is a figure which shows the partial structure in the remote controller of FIG.

Explanation of symbols

1: indoor unit body 10: indoor unit control unit 13: filter 20: filter cleaning device 40: remote controller

Claims (4)

Filters,
A filter cleaning device for cleaning the filter;
A control unit for controlling the operation of the filter cleaning device,
The said control part controls to operate the said filter cleaning apparatus in either of several different operation modes according to each of several timing, The air conditioner characterized by the above-mentioned.   2. The plurality of timings according to claim 1, wherein when the operation of the air conditioner is ended due to timer-off, when the operation of the air-conditioner other than timer-off is ended, and when the operation of the air-conditioner is stopped. Air conditioner.   The air conditioner according to claim 1 or 2, wherein an operation time of the filter cleaning device is different in the plurality of operation modes. The air conditioner according to any one of claims 1 to 3, wherein the plurality of operation modes have different operation sounds.

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