JP4894774B2 - Air conditioner indoor unit - Google Patents

Description

  The present invention relates to an indoor unit of an air conditioner, and more particularly to an indoor unit of a ceiling-mounted air conditioner.

  Conventionally, as an indoor unit of an air conditioner installed on a ceiling, for example, as disclosed in Patent Literature 1 to Patent Literature 3, one having a suction port or a blowout port on the lower surface of a main body is well known. Yes. And the panel for opening and closing a suction inlet is provided in the lower surface of the main body of an indoor unit. This panel can be suspended from the indoor unit main body by a wire.

Moreover, in the air conditioning apparatus as described above, for example, there is an air conditioning apparatus that opens and closes the suction port when the panel is locked to the indoor unit body during air conditioning operation or when stopped. Further, such a panel of the air conditioner can take a state in which the lock on the indoor unit body is released during maintenance of the indoor unit, and can be lowered below the indoor unit body.
JP 2005-156083 A JP 2007-40689 A JP-A-10-196999

  By the way, when the panel is instructed to be lowered while the panel is locked to the indoor unit main body, first, the lock of the panel to the indoor unit main body is released, and then the panel starts the lowering operation. However, if the wire is loosened while the panel is locked to the indoor unit main body, the panel suddenly drops by the amount of the loosened wire immediately after the descent operation starts.

  Then, this invention aims at provision of the indoor unit of the air conditioning apparatus which can prevent that a panel falls suddenly with the loosened wire.

An indoor unit of an air conditioner according to a first aspect is an indoor unit of a ceiling-mounted air conditioner, and includes an indoor unit main body, a panel, an instruction receiving unit, and a panel operation control unit. The panel can take a locked state in which the panel is locked to the indoor unit body and a unlocked state in which the lock on the indoor unit body is released. And when taking a lock release state, a panel can fall below an indoor unit main body. The instruction receiving unit can receive a panel lowering instruction. The panel operation control unit controls the operation of the panel so that the panel is not lowered when the instruction receiving unit receives a panel lowering instruction when the panel is locked. An indoor air suction port is formed on the lower surface of the indoor unit main body. The panel is provided in the vicinity of the suction port so that the suction port can be opened and closed by rotating with respect to the indoor unit main body in the locked state.

According to the indoor unit of this air conditioner, when the panel is instructed to be lowered when the panel is locked to the indoor unit body, the operation of the panel is controlled so that the panel does not suddenly descend. Thereby, even if the wire is loosened in a state in which the panel is locked to the indoor unit main body, it is possible to prevent the unlocked panel from being suddenly dropped by the loosened wire. In particular, in the indoor unit of this air conditioner, the suction port of the indoor unit main body is easily opened and closed by a rotation type panel locked to the indoor unit main body.

  An indoor unit of an air conditioner according to a second aspect of the present invention is the indoor unit of the air conditioner according to the first aspect of the present invention, wherein the panel operation control unit receives an instruction to lower the panel when the power is supplied to the indoor unit. In such a case, the operation of the panel is controlled so that the panel does not descend until the initialization process is completed. The initialization process is a process for raising the panel to the first predetermined position.

  According to this indoor unit, when an instruction to lower the panel in the locked state is given when the indoor unit is turned on, first, an initialization process is performed to temporarily raise the panel to the first predetermined position. Then, after the initialization process is completed, the panel is unlocked and the panel lowering operation is started. Thus, according to this indoor unit, when the power of the indoor unit is turned on, the panel lowering operation is not performed immediately. Therefore, even if the wire is loosened when the power is turned on, the unlocked panel can be prevented from suddenly dropping due to the loosened wire.

  An indoor unit of an air conditioner according to a third aspect of the present invention is the indoor unit of the air conditioner according to the second aspect of the present invention, further comprising a first detection unit. The first detection unit detects that the panel is located at the first predetermined position. The panel operation control unit controls the operation of the panel based on the detection result of the first detection unit.

  Here, consider a case where the first detection unit outputs an off signal when the panel is not located at the first predetermined position, and outputs an on signal when the panel is located at the first predetermined position. In this case, for example, when the detection result of the first detection unit remains an off signal, the panel operation control unit determines that the initialization process has not been completed, and does not start the panel lowering operation. In addition, when the detection result is switched from the off signal to the on signal, the panel operation control unit determines that the initialization process has been completed and starts the panel lowering operation. As a result, the panel is lowered after the position of the panel has reliably reached the first predetermined position.

  An indoor unit of an air conditioner according to a fourth aspect of the present invention is the indoor unit of the air conditioner according to any of the first to third aspects, wherein the panel operation control unit is configured such that the instruction receiving unit lowers the panel during the air conditioning operation of the indoor unit. When the instruction is accepted, the operation of the panel is controlled so that the panel does not descend until the automatic storage process is completed. The automatic storage process is a process of raising the panel to the second predetermined position.

  Here, examples of the “air conditioning operation” of the indoor unit include a cooling operation and a heating operation. According to this indoor unit, when an instruction to lower the panel that is in a locked state is given during operation of the indoor unit, first, automatic storage processing is performed in which the panel is temporarily raised to the second predetermined position. After the automatic storage process is completed, the panel is unlocked and the panel lowering operation is started. Thus, according to this indoor unit, if the automatic storage process is not completed, the panel lowering operation is not performed immediately. Therefore, even if the wire is loosened during the operation of the indoor unit, the unlocked panel can be prevented from suddenly dropping due to the loosened wire.

  The indoor unit of the air conditioning apparatus according to a fifth aspect is the indoor unit of the air conditioning apparatus according to the fourth aspect, further comprising a second detection unit. The second detection unit detects that the panel is located at the second predetermined position. The panel operation control unit controls the operation of the panel based on the detection result of the second detection unit.

  Here, consider a case where the second detection unit outputs an off signal when the panel is not located at the second predetermined position, and outputs an on signal when the panel is located at the second predetermined position. In this case, for example, when the detection result of the second detection unit remains an off signal, the panel operation control unit determines that the automatic storage processing has not been completed and does not start the panel lowering operation. Further, when the detection result is switched from the off signal to the on signal, the panel operation control unit determines that the automatic storage process is completed, and starts the panel lowering operation. Thereby, after the position of the panel has surely reached the second predetermined position, the panel is lowered.

  An air conditioner indoor unit according to a sixth aspect of the present invention is the air conditioner indoor unit according to any of the first to fifth aspects of the present invention, further comprising a notification unit. The notification unit notifies that the air conditioning operation is performed in a state where the panel is lowered from the indoor unit main body.

  According to the indoor unit of this air conditioner, the user can know that the air conditioning operation is performed in a state where the panel is lowered below the indoor unit body.

An indoor unit of an air conditioner according to a seventh aspect of the present invention is the indoor unit of the air conditioner according to the first aspect of the present invention, and further includes a grip portion. The gripping part grips the rotation axis of the panel. The panel is locked to the indoor unit main body by gripping the rotation shaft by the grip portion.

  According to the indoor unit of this air conditioner, when the panel is locked, the pivot shaft of the panel is gripped, so that the panel is stably locked to the indoor unit body.

According to the indoor unit of the air conditioner according to the first aspect of the present invention, even when the wire is loosened in a state where the panel is locked to the indoor unit body, the unlocked panel is prevented from being suddenly dropped by the loosened wire. be able to. In particular, the suction port of the indoor unit main body is easily opened and closed by a rotating type panel locked to the indoor unit main body.

  According to the indoor unit of the air conditioner according to the second aspect, when the power of the indoor unit is turned on, the lowering operation of the panel is not performed immediately. Therefore, even if the wire is loosened when the power is turned on, the unlocked panel can be prevented from suddenly dropping due to the loosened wire.

  According to the indoor unit of the air conditioner pertaining to the third aspect of the present invention, the panel lowering operation is performed after the panel position has reliably reached the first predetermined position.

  According to the indoor unit of the air conditioner according to the fourth aspect of the present invention, the panel lowering operation is not immediately performed before the automatic storage process is completed. Therefore, even if the wire is loosened during the operation of the indoor unit, the unlocked panel can be prevented from suddenly dropping due to the loosened wire.

  According to the indoor unit of the air conditioner pertaining to the fifth aspect of the present invention, the panel is lowered after the position of the panel has reliably reached the second predetermined position.

  According to the indoor unit of the air conditioner according to the sixth aspect, the user can know that the air conditioning operation is performed in a state where the panel is lowered below the indoor unit body.

According to the indoor unit of the air conditioner pertaining to the seventh aspect of the invention, when the panel is locked, the pivot shaft of the panel is gripped, so the panel is stably locked to the indoor unit body. .

  Hereinafter, an indoor unit of an air conditioner according to the present invention will be described with reference to the drawings.

(1) Configuration FIGS. 1A to 1C are perspective views of an indoor unit 1 of an air conditioner according to the present embodiment. FIG. 2 is a schematic diagram when the internal configuration of the indoor unit 1 of FIG. 1 is viewed from the first side surface 2 a side of the indoor unit 1. This indoor unit 1 is a ceiling-mounted indoor unit, and can perform air conditioning operations such as heating operation and cooling operation, filter cleaning operation, and the like. Here, the filter cleaning operation is an operation for separating dust collected by the filter 25 described later from the filter 25.

  As shown in FIGS. 1 to 8, the indoor unit 1 mainly includes a main body 2 (corresponding to an indoor unit main body), a flat panel 3 (corresponding to a panel), and storage detection limit switches 4a and 4b (first detection unit, first 2 detection unit), horizontal flap 5, reception unit 6 (corresponding to instruction receiving unit), operation state display unit 7 (corresponding to notification unit), panel lock mechanisms 8a and 8b, panel lift drive units 9a and 9b, and control The unit 10 is provided.

  In the following, expressions indicating directions such as “up” and “down” such as “downward” of the main body 2 are used as appropriate, but these are used in the indoor unit 1 as shown in FIG. Each direction in the state where it is attached to the ceiling and normally used is shown.

[Main unit]
The main body 2 has a box-like shape that is long in the W direction of FIG. 1, and has a decorative panel 2b as a lower surface. As shown in FIG.1 and FIG.2, the suction panel 21 and the blower outlet 22 are formed in the makeup | decoration panel 2b 1 each. The suction port 21 is an opening through which indoor air is sucked, and the blow-out port 22 is for sucking air after being sucked from the suction port 21 and heat-exchanged by the indoor heat exchanger 24 into the room. It is an opening. The suction port 21 and the blowout port 22 have a substantially rectangular shape that is elongated along the longitudinal direction of the main body 2 (that is, the W direction). The area of the suction port 21 is larger than the area of the blowout port 22.

  As shown in FIG. 2, the main body 2 mainly contains a blower fan 23, an indoor heat exchanger 24, a filter 25, a filter cleaning mechanism 26, and the like. The blower fan 23 is for generating an air flow from the suction port 21 to the blowout port 22. The blower fan 23 is connected to a fan motor 23a (FIG. 8) and is rotationally driven by the fan motor 23a. The indoor heat exchanger 24 is for exchanging heat with indoor air. The filter 25 is provided above the suction port 21 and collects dust in the air that has passed through the suction port 21. The filter cleaning mechanism 26 scrapes the filter 25 with a filter moving unit 27 for moving the filter 25 in the direction of arrow A or arrow B in FIG. 2, brushes 28 and 28 that scrape dust collected by the filter 25 from the filter 25. And a dust box 29 for storing the generated dust. The filter moving unit 27 and the brush 28 are connected to a filter cleaning driving unit 26a (FIG. 8) that functions as a driving source thereof, and are driven by the filter cleaning driving unit 26a.

  In addition, the storage detection limit switches 4a and 4b, the panel lock mechanisms 8a and 8b, the panel elevating drive units 9a and 9b, and the control unit 10 are accommodated in the main body 2, which will be described later.

〔flat panel〕
As shown in FIG. 1, the flat panel 3 has a substantially rectangular shape that is elongated along the W direction of the main body 2, similarly to the suction port 21. The flat panel 3 can be rotatably attached to the main body 2 as shown in FIGS. 1B and 5B. Further, as shown in FIGS. 1C and 5C, the flat panel 3 is suspended by two wires 91a and 91b (described later) in the panel lifting and lowering drive units 9a and 9b.

  Specifically, when the flat panel 3 is located in the vicinity of the suction port 21, the flat panel 3 takes a locked state in which the flat panel 3 is locked to the main body 2 by the panel lock mechanisms 8 a and 8 b. Here, as a case where the flat panel 3 takes a locked state, as shown in FIGS. 1A and 5A, the flat panel 3 is housed in the main body 2 and the suction port 21 is closed, As shown in FIG. 1B and FIG. 5B, a state in which the flat panel 3 can be rotated with respect to the main body 2 around the end on the outlet 22 side is given. In particular, when the flat panel 3 rotates with respect to the main body 2, the flat panel 3 rotates around the rotation shaft 31 connected to the output shaft of the panel rotation motor 32 (FIG. 3) and sucks. The mouth 21 can be opened and closed (FIGS. 1B and 5B).

  Here, in this embodiment, the rotation axis 31 of the flat panel 3 is not provided in the main body of the flat panel 3 but is taken as an example when it is provided on the decorative panel 2b side of the main body 2. Specifically, the rotation shaft 31 is provided at both end portions of the long side close to the blowout port 22 among the long sides of the suction port 21 in the decorative panel 2b. The rotating shaft 31 is connected to the flat panel 3 by being gripped by gripping portions 81a and 81b (described later) of the panel lock mechanisms 8a and 8b, whereby the flat panel 3 is locked to the main body 2. That is, the rotation shaft 31 plays a role of connecting the flat panel 3 and the main body 2 so that the flat panel 3 can be rotated with respect to the main body 2 when the flat panel 3 is locked. Then, after the flat panel 3 and the main body 2 are connected by the rotation shaft 31, the flat panel 3 is rotated by a predetermined angle with respect to the main body 2 when the panel rotation motor 32 is driven to rotate. Can be released. When the flat panel 3 opens the suction port 21, indoor air is sent into the main body 2 through the suction port 21 from the direction of arrow C in FIG.

  In addition, as another case where the flat panel 3 takes a locked state, as shown in FIG. 4, a so-called abnormal state in which a part of the flat panel 3 is locked to the main body 2 can be cited. That is, the abnormal state of the flat panel 3 is that one of the two rotating shafts 31 connects the flat panel 3 and the main body 2, but the other rotating shaft 31 is connected to the flat panel 3 and the main body 2. The state which is not connected.

  Further, the flat panel 3 can take an unlocked state in which the lock on the main body 2 is released. That is, the unlocked state of the flat panel 3 is a state in which the two rotating shafts 31 are not connected to the flat panel 3 and the flat panel 3 is suspended from the main body 2 by the two wires 91a and 91b. The state that is lowered. In this case, as shown in FIG. 1C and FIG. 5C, the flat panel 3 is lowered or raised below the suction port 21 by feeding and winding the wires 91a and 91b. Can be.

  Such a flat panel 3 is located in the vicinity of the suction port 21 when the indoor unit 1 is stopped or in operation (air-conditioning operation or filter cleaning operation) and takes a locked state (for example, FIG. 1A). (B)). And at the time of the maintenance of the indoor unit 1, the unlocked state is taken and it descends below the suction port 21 (FIG. 1 (c)).

[Storage detection limit switch]
As shown in FIG. 5, two storage detection limit switches 4a and 4b are provided near the suction port 21 of the decorative panel 2b. More specifically, the two storage detection limit switches 4 a and 4 b are provided at a predetermined distance from each other along the long side of the suction port 21 that is separated from the blowout port 22.

  Each storage detection limit switch 4a, 4b detects that the flat panel 3 is located at a position P (see FIG. 2, corresponding to the first predetermined position and the second predetermined position) in the vicinity of the suction port 21 in the decorative panel 2b. More specifically, the storage detection limit switches 4a and 4b output an ON signal as a detection result when the flat panel 3 is at the position P. Conversely, when the flat panel 3 is not at the position P (for example, when it is located at the position Q in FIG. 2), the storage detection limit switches 4a and 4b output an off signal as a detection result. The ON signal and the OFF signal output by the storage detection limit switches 4 a and 4 b are taken into the control unit 10.

  As shown in FIGS. 1A to 1C and FIGS. 5A to 5C, when the flat panel 3 is substantially parallel to the decorative panel 2b of the main body 2, the storage detection limit switch Both 4a and 4b output the same signal. However, as shown in FIG. 4, when the flat panel 3 is not parallel to the decorative panel 2b and takes an abnormal state, the storage detection limit switches 4a and 4b output different signals.

(Horizontal flap)
The horizontal flap 5 is for guiding the air blown out from the blowout port 22 in the direction of arrow D in FIG. 1B, and is provided so that the blowout port 22 can be opened and closed. The horizontal flap 5 takes the attitude | position which closes the blower outlet 22 at the time of an operation stop and the maintenance of the indoor unit 1 (FIG. 1 (a) (c)). Further, when the indoor unit 1 is performing an air conditioning operation, the horizontal flap 5 rotates around the end on the suction port 21 side as an axis to open the air outlet 22 (FIG. 1B). ). Such a horizontal flap 5 is rotationally driven by a motor, a gear (both not shown) or the like.

[Receiver]
As illustrated in FIG. 1, the receiving unit 6 is provided on the decorative panel 2 b of the main body 2. The receiving unit 6 is provided so as to receive various operation start instructions, various settings, and the like sent from the remote controller. For example, the receiving unit 6 can receive an instruction for starting an air conditioning operation such as an air conditioning operation or a set temperature in the room via a remote controller. Moreover, the receiving part 6 can receive the raising / lowering instruction | indication of the flat panel 3 via a remote controller.

  In this embodiment, the start and stop instructions for the air conditioning operation such as the air conditioning operation, and the instructions for raising and lowering the flat panel 3 and the start instruction for the filter cleaning operation at the time of maintenance are sent via separate remote controllers. Take as an example. FIG. 6A shows the external appearance of a remote controller used when a user gives instructions to start and stop the air conditioning operation. FIG. 6B shows the external appearance of a remote controller used when a user issues a flat panel 3 lifting / lowering instruction or a filter cleaning operation start instruction.

[Operation status display section]
The driving state display unit 7 is provided on the decorative panel 2 b of the main body 2 in the same manner as the receiving unit 6. The operation state display part 7 is comprised by LED, for example, and performs lighting or blinking according to the operation condition of the indoor unit 1.

  For example, the operation state display unit 7 is lit in green when the flat panel 3 is rotated by a predetermined angle with respect to the main body 2 as shown in FIG. The operation state display unit 7 is lit in orange when the flat panel 3 is in the state where the suction port 21 is closed as shown in FIG. 1A and the cleaning operation of the filter 25 is being performed. . In addition, the operation state display unit 7 is lit in red when the receiving unit 6 accepts an instruction to raise and lower the flat panel 3 when the raising and lowering operation of the flat panel 3 is prohibited. Thus, the user of the indoor unit 1 can check the current operating state of the indoor unit 1 by changing the color of the operating state display unit 7 that is lit according to the operating state of the indoor unit 1. Here, as a case where the raising / lowering operation of the flat panel 3 is prohibited, for example, a case where the panel lock mechanisms 8a, 8b and the panel raising / lowering drive units 9a, 9b are out of order can be cited.

  Further, the operation state display unit 7 blinks in red when the reception unit 6 receives an instruction to start an air conditioning operation if the flat panel 3 is in an unlocked state (for example, FIG. 1C). Thereby, the user of the indoor unit 1 can know that the air conditioning operation is performed with the flat panel 3 in the unlocked state.

[Panel lock mechanism]
The panel lock mechanisms 8a and 8b are for locking and unlocking the flat panel 3 to the main body 2, and as shown in FIGS. 5 (a) to 5 (c), the suction port of the decorative panel 2b. Two are provided near 21. More specifically, the panel lock mechanisms 8a and 8b according to this embodiment are provided one by one at both ends of the long side of the suction port 21 on the side close to the blowout port 22. Each panel lock mechanism 8a, 8b has grips 81a, 81b, lock motors 82a, 82b, and lock limit switches 83a, 83b, respectively, as shown in FIG. As described above, the panel lock mechanisms 8a and 8b have the same configuration although the positions provided on the decorative panel 2b are different. Therefore, hereinafter, the panel lock mechanism 8a will be described as an example with reference to FIG.

  The gripping portion 81 a is for gripping the rotation shaft 31 of the flat panel 3. More specifically, the gripping portion 81a according to the present embodiment can be moved a predetermined distance in the direction of arrow E or F in FIG. 3 by rotational driving of the lock motor 82a. The gripping part 81 a has a connecting part (not shown) that can be connected to the rotating shaft 31 of the flat panel 3. When the gripping portion 81 a having such a configuration moves in the direction of the arrow E, the connecting portion is connected to the rotating shaft 31 of the flat panel 3, and the flat panel 3 can be locked to the main body 2. On the other hand, when the gripping portion 81a moves in the direction of the arrow F, the connecting portion is separated from the rotating shaft 31 of the flat panel 3, and the flat panel 3 can be brought into an unlocked state.

  The lock motor 82a is a drive source for moving the grip portion 81a, and can be rotationally driven in a CW (Clock Wise) direction or a CCW (Counter Clock Wise) direction. The drive control of the lock motor 82a is performed by the control unit 10 described later.

  The lock limit switch 83a detects whether or not the flat panel 3 is in a locked state. Specifically, the lock limit switch 83a according to the present embodiment is connected to the lock motor 82a via a gear (not shown), and the gripping portion 81a is rotated as the lock motor 82a rotates in the CW direction or the CCW direction. It is possible to move by a predetermined distance in the direction of arrow E or arrow F. The lock limit switch 83a is directly connected to the gripping portion 81a. As a result, the gripping portion 81a moves in the direction of the arrow E or the arrow F together with the movement of the lock limit switch 83a, so that the flat panel 3 can be locked to the main body 2 or unlocked.

  When such a lock limit switch 83a moves to the end in the direction of arrow E, it is determined that the rotation shaft 31 is gripped by the gripping portion 81a, and an ON signal indicating that the flat panel 3 is locked. Is output. Conversely, when the lock limit switch 83a moves to the end in the direction of arrow F, it determines that the gripping portion 81a has moved away from the rotating shaft 31, and indicates that the flat panel 3 has been unlocked. Is output.

[Panel lift drive unit]
The panel raising / lowering drive parts 9a and 9b are for raising or lowering the flat panel 3, and two are provided in the vicinity of the suction port 21 in the decorative panel 2b of the main body 2 as shown in FIG. More specifically, the panel raising / lowering drive parts 9a and 9b are provided one by one along the short side of the decorative panel 2b. As shown in FIG. 8, each panel elevating drive unit 9a, 9b has wires 91a, 91b, elevating units 92a, 92b, and position detection counter limit switches 97a, 97b, respectively.

  One end of each wire 91a, 91b is connected to the flat panel 3, and the other end is connected to each elevating part 92a, 92b. As shown in FIG. 1C, the two wires 91a and 91b are connected to a portion near the first end 3a on the front side of the flat panel 3 and a second end 3b on the back side of the flat panel 3. Lift the close part.

  The elevating parts 92a and 92b wind and unwind the wires 91a and 91b. In addition, the raising / lowering part 92a and the raising / lowering part 92b have the same structure except the wires which wind up etc. differ. Therefore, hereinafter, the configuration of the elevating unit 92a will be described as an example. As shown in FIG. 7, the elevating part 92 a includes a pulley 93, a take-up gear 94, a drive gear 95, and an elevating motor 96. The pulley 93 is formed by integrally forming a pulley portion 93a and a cam portion 93b. The pulley portion 93a supports the wire 91a and rotates as the wire 91a moves. The cam portion 93b includes a small-diameter curved surface portion, a large-diameter curved surface portion, and a flat surface portion connecting both the curved surface portions. The winding gear 94 has a bobbin 94a for winding the wire 91a and a gear part 94b, and the bobbin 94a and the gear part 94b are integrally formed. The drive gear 95 meshes with the gear portion 94 b of the winding gear 94 and rotates the winding gear 94. Thereby, the wire 91a can be drawn out from the bobbin 94a or wound around the bobbin 94a. The elevating motor 96 is a stepping motor for driving the drive gear 95 to rotate.

  The position detection counter limit switches 97a and 97b increase the counter value according to the feeding of the wires 91a and 91b. Here, since the position detection counter limit switches 97a and 97b have the same configuration, the configuration of the position detection counter limit switch 97a is taken as an example. As shown in FIG. 7, the position detection counter limit switch 97a is a micro switch having a lever 98a, and is turned on when the lever 98a is pushed. The lever 98a is always in contact with the cam portion 93b of the pulley 93, and is pressed when the contact portion with the cam portion 93b changes from the small diameter curved surface portion to the large diameter curved surface portion or from the large diameter curved surface portion to the small diameter curved surface portion. .

(Control part)
The control unit 10 is composed of a microcomputer composed of a CPU and a memory. As shown in FIG. 8, the storage detection limit switches 4a and 4b, the reception unit 6, the operation state display unit 7, the panel lock mechanisms 8a and 8b, It is connected to the panel lift drive units 9a and 9b, the fan motor 23a, the filter cleaning drive unit 26a, and the panel rotation motor 32, and controls each connected device. For example, the control unit 10 performs operation control such as cooling operation and heating operation, rotation drive control of the fan motor 23a, and the like based on the start instruction of the air conditioning operation received by the reception unit 6 from the remote controller. In addition, when the receiving unit 6 receives an instruction to start the filter cleaning operation during the raising operation of the flat panel 3, the control unit 10 is configured so that the filter cleaning operation is started after the raising operation of the flat panel 3 is completed. The filter cleaning drive unit 26a is controlled. In particular, when the receiving unit 6 receives an instruction to raise or lower the flat panel 3, the control unit 10 according to the present embodiment controls the operation of the flat panel 3 according to the state of the flat panel 3 at that time. In addition, the control unit 10 performs operation control of the panel lock mechanisms 8 a and 8 b and display control of the operation state display unit 7. In order to perform such an operation, the control unit 10 functions as a panel operation control unit 11, a lock mechanism control unit 12, and a display control unit 13.

[Panel operation control unit]
The panel operation control unit 11 controls the operation of the flat panel 3. That is, the panel operation control unit 11 controls the panel lift drive units 9a and 9b, and causes the lift units 92a and 92b of the panel lift drive units 9a and 9b to feed and wind the wires 91a and 91b.

  Below, the control content of the panel operation control part 11 which concerns on this embodiment is demonstrated in detail.

  When the flat panel 3 is locked, the panel operation control unit 11 controls the panel lifting / lowering drive units 9a and 9b so that the flat panel 3 does not descend when the receiving unit 6 receives a lowering instruction of the flat panel 3. That is, when the flat panel 3 is in the locked state and the flat panel 3 is instructed to be lowered via the remote controller, the panel operation control unit 11 outputs the flat panel 3 descending instruction to the panel lifting and lowering drive units 9a and 9b. Do not. Thereby, since the raising / lowering parts 92a and 92b of the panel raising / lowering drive parts 9a and 9b do not pay out the wires 91a and 91b, the flat panel 3 does not descend.

Here, the conditions that should be satisfied when the panel operation control unit 11 performs the above-described control (that is, control that does not lower the flat panel 3) will be described in more detail. The panel operation control unit 11 performs the above control when the following conditions 1 and 2 are specifically satisfied.
Condition 1: When the indoor unit 1 is turned on and a lowering instruction is given when the flat panel 3 is in the locked state.
Condition 2: When the flat panel 3 is in a locked state and the indoor unit 1 is performing an air conditioning operation, a lowering instruction is given.

  Normally, when the indoor unit 1 is turned on while the flat panel 3 is locked to the main body 2, the panel operation control unit 11 performs a so-called initialization process for raising the flat panel 3 to the suction port 21 of the decorative panel 2b. The panel lift drive units 9a and 9b are controlled so as to be performed. Specifically, in the initialization process, the panel operation control unit 11 raises and lowers the panel raising / lowering drive units 9a and 9b until the flat panel 3 reaches the suction port 21 and the storage detection limit switches 4a and 4b output ON signals. The wires 91a and 91b are wound around the wires 92a and 92b. When the storage detection limit switches 4a and 4b output an on signal, the panel operation control unit 11 stops the winding of the wires 91a and 91b by the elevating units 92a and 92b. If the flat panel 3 is instructed to be lowered while the initialization process is being performed (condition 1), the panel operation control unit 11 causes the flat panel 3 to be lowered after the initialization process is completed. In addition, the panel elevating drive units 9a and 9b are controlled. When the storage detection limit switches 4a and 4b both output an ON signal because the flat panel 3 reaches the suction port 21, the panel operation control unit 11 determines that the initialization process has been completed. At this time, the lock of the flat panel 3 is released. The panel operation control unit 11 causes the elevating units 92a and 92b to feed out the wires 91a and 91b after unlocking the flat panel 3.

  In particular, when the indoor unit 1 is turned on when the flat panel 3 is in the locked state, the flat panel 3 is previously positioned at the position P in FIG. 2, and the storage detection limit switches 4a and 4b are turned on. May be output. Then, it becomes difficult for the panel operation control unit 11 to determine whether or not the initialization process has been completed based on the outputs of the storage detection limit switches 4a and 4b. In such a case, the panel operation control unit 11 once rotates the flat panel 3 by a predetermined angle (for example, the position R in FIG. 2), and then raises the flat panel 3 until the flat panel 3 reaches the position P. (Rotate). The predetermined angle is desirably such that the output of the storage detection limit switches 4a and 4b changes from an on signal to an off signal. Accordingly, the panel operation control unit 11 can know that the initialization process has been completed completely by changing the outputs of the storage detection limit switches 4a and 4b to ON signals.

  Further, when the air conditioning operation is performed, the flat panel 3 is in a state of rotating with respect to the main body 2 as shown in FIG. When a lowering instruction is given in such a case (condition 2), the panel operation control unit 11 performs a process of raising the flat panel 3 to the suction port 21 of the decorative panel 2b (referred to as an automatic storage process), as in the initialization process. Then, the panel lift drive units 9a and 9b are caused to perform the operation. And the panel operation control part 11 controls the panel raising / lowering drive parts 9a and 9b so that the flat panel 3 may be lowered | hung after the automatic storing process is completed. When the flat panel 3 reaches the suction port 21, the storage detection limit switches 4 a and 4 b both output an ON signal, and when the flat panel 3 is unlocked, the panel operation control unit 11 moves the lifting unit 92 a. , 92b causes the wires 91a, 91b to be fed out.

  In addition, as shown in FIG. 4, when the lowering instruction is given when the flat panel 3 is in an abnormal state, the panel operation control unit 11 causes the panel lifting / lowering driving unit 9a, 9b is controlled. Specifically, the panel operation control unit 11 causes the elevating units 92a and 92b to wind the wires 91a and 91b until the outputs of the storage detection limit switches 4a and 4b change from the off signal to the on signal. Then, as shown in FIG. 1 (a), when the flat panel 3 reaches the suction port 21, the storage detection limit switches 4a and 4b both output an ON signal, and the flat panel 3 is unlocked. The operation control unit 11 causes the elevating units 92a and 92b to feed out the wires 91a and 91b.

  The panel operation control unit 11 corrects the opening of the flat panel 3 based on the air volume. For example, the panel operation control unit 11 increases the rotation angle of the flat panel 3 as the air volume is higher than a predetermined tap. Thereby, the indoor unit 1 can perform an air-conditioning operation without impairing the design of the indoor unit 1 itself.

[Lock mechanism controller]
The lock mechanism control unit 12 controls the panel lock mechanisms 8a and 8b. For example, the lock mechanism control unit 12 checks the state of the flat panel 3 based on the outputs of the lock limit switches 83a and 83b of the panel lock mechanisms 8a and 8b. Further, the lock mechanism control unit 12 determines whether the flat panel 3 is securely locked to the main body 2 based on the outputs of the lock limit switches 83a and 83b, or until the flat panel 3 is reliably unlocked. The lock motors 82a and 82b are driven to rotate.

  More specifically, the lock mechanism control unit 12 first checks the outputs of the storage limit switches 4a and 4b when an instruction for air conditioning operation is given when the flat panel 3 is in the unlocked state. If the outputs of the storage limit switches 4a and 4b are ON signals, the lock mechanism control unit 12 monitors the outputs of the lock limit switches 83a and 83b so that the flat panel 3 is locked to the main body 2. The lock motors 82a and 82b are driven to rotate.

  When the above condition 1 or 2 is satisfied, the lock mechanism control unit 12 confirms the completion of the initialization process and the automatic storage process of the flat panel 3 based on the outputs of the storage detection limit switches 4a and 4b. . If the storage detection limit switches 4a and 4b output an ON signal, the lock mechanism control unit 12 releases the lock of the flat panel 3 to the main body 2 while monitoring the outputs of the lock limit switches 83a and 83b. Thus, the lock motors 82a and 82b are driven to rotate.

(Display control unit)
The display control unit 13 controls the operation state display unit 7.

  For example, the display control unit 13 performs the air-conditioning operation in a state where the lock limit switches 83a and 83b output an on signal and the storage detection limit switches 4a and 4b output an off signal (that is, FIG. 1 (b)). When the operation is being performed, the operation state display unit 7 is lit in green. The display control unit 13 is in a state in which the lock limit switches 83a and 83b and the storage detection limit switches 4a and 4b are both outputting an ON signal (that is, FIG. 1A) and the filter cleaning operation is being performed. Then, the operation state display unit 7 is lit in orange. Further, when the receiving unit 6 receives an instruction to raise or lower the flat panel 3 when the raising / lowering operation of the flat panel 3 is prohibited, the display control unit 13 lights the operation state display unit 7 in red.

  Further, the display control unit 13 is in a state where the lock limit switches 83a and 83b are outputting an off signal or in a state where the storage detection limit switches 4a and 4b are outputting an off signal (that is, FIG. When the reception unit 6 receives an instruction to start the air conditioning operation, the operation state display unit 7 blinks red.

(2) Operation Next, a characteristic operation of the indoor unit 1 according to the present embodiment will be described.

(2-1) Operation when the indoor unit 1 is powered on (Condition 1)
9 and 10 are flowcharts for explaining the operation of the indoor unit 1 when the power of the indoor unit 1 is turned on.

  Steps S1 and S2: When the indoor unit 1 is turned on (Yes in S1), the panel operation control unit 11 controls the panel lifting / lowering drive units 9a and 9b so that the initialization process is performed on the flat panel 3. . Thereby, the raising / lowering parts 92a and 92b of the panel raising / lowering drive parts 9a and 9b wind up the wires 91a and 91b and raise the flat panel 3 (S2).

  Steps S3 to S5: When the receiving unit 6 receives an instruction to lower the flat panel 3 during the initialization process (Yes in S3), the panel operation control unit 11 determines whether the flat panel is based on the outputs of the lock limit switches 83a and 83b. Whether 3 is in the locked state or the unlocked state is confirmed (S4). When the lock limit switches 83a and 83b output the ON signal, the panel operation control unit 11 determines that the flat panel 3 is in the locked state (Yes in S4), and continues the ascending operation of the flat panel 3. (S5).

  In step S3, when the receiving unit 6 has not received an instruction to lower the flat panel 3 (No in S3), the panel operation control unit 11 determines whether or not the flat panel 3 is in a locked state. Without raising, the raising operation of the flat panel 3 is continued (S5).

  Steps S6 to S7: When the outputs of the storage detection limit switches 4a and 4b are ON signals (Yes in S6), the panel operation control unit 11 and the lock mechanism control unit 12 determine that the initialization process has been completed ( S7). Conversely, when the outputs of the storage detection limit switches 4a and 4b are off signals (No in S6), the panel operation control unit 11 determines that the initialization process has not been completed, and the ascending operation of the flat panel 3 Is continued (S5).

  Step S8: After step S7 (that is, after it is determined that the initialization process has been completed), the panel operation control unit 11 confirms whether or not an instruction to lower the flat panel 3 is given during the initialization process. (S8). When an instruction to lower the flat panel 3 is given during the initialization process (Yes in S8), the lock mechanism control unit 12 causes the panel lock mechanism 8a, so that the lock of the flat panel 3 to the main body 2 is released. 8b is controlled.

  Step S9: When the lowering of the flat panel 3 is instructed in Step S3 (Yes in S3), if the lock limit switches 83a and 83b are outputting an off signal (No in S4), the panel operation control unit 11 determines that the lowering instruction in step S3 has already been made after the initialization process is completed (S9). At this time, the flat panel 3 is in an unlocked state.

  Step S10: When a lowering instruction is given during the initialization process in Step S8 (Yes in S8), and after Step S9, the panel operation control unit 11 causes the panel lifting / lowering driving unit 9a to lower the flat panel 3. , 9b are controlled (S10). Thereby, the raising / lowering parts 92a, 92b of the panel raising / lowering driving parts 9a, 9b feed out the wires 91a, 91b, and lower the flat panel 3 in the unlocked state.

  Steps S11 to S12: When the receiving unit 6 receives an instruction to start the air conditioning operation while the flat panel 3 is descending (Yes in S11), the display control unit 13 blinks the operation state display unit 7 in red (S12). ).

(2-2) Operation when a descent instruction is given during operation of the indoor unit 1 (Condition 2)
FIG. 11 is a flowchart for explaining the operation of the indoor unit 1 when a lowering instruction is given during operation of the indoor unit 1.

  Steps S21 to S22: When the receiving unit 6 receives an instruction to lower the flat panel 3 while the indoor unit 1 is performing an air conditioning operation (Yes in S21), the panel operation control unit 11 automatically stores the flat panel 3 The panel elevating drive units 9a and 9b are controlled so that the processing is performed. Thereby, the raising / lowering parts 92a and 92b of the panel raising / lowering drive parts 9a and 9b wind up the wires 91a and 91b, and raise the flat panel 3 (S22).

  Steps S23 to S24: When the flat panel 3 reaches the suction port 21 and the outputs of the storage detection limit switches 4a and 4b are turned on (Yes in S23), the panel operation control unit 11 and the lock mechanism control unit 12 Determines that the automatic storage processing has been completed. In this case, the lock mechanism control unit 12 controls the panel lock mechanisms 8a and 8b so that the lock of the flat panel 3 to the main body 2 is released. Next, the panel operation control unit 11 controls the panel elevating drive units 9a and 9b so that the flat panel 3 is lowered. As a result, after the flat panel 3 enters the unlocked state, the elevating parts 92a and 92b of the panel elevating drive parts 9a and 9b feed out the wires 91a and 91b to lower the flat panel 3 (S24).

  Steps S25 to S26: When the receiving unit 6 receives an instruction to start the air conditioning operation while the flat panel 3 is descending (Yes in S25), the display control unit 13 blinks the operation state display unit 7 in red (S26). ).

(3) Effect (A)
According to the indoor unit 1 according to the present embodiment, when an instruction to lower the flat panel 3 is given when the flat panel 3 is locked to the main body 2, the flat panel 3 is prevented from being suddenly lowered. The operation is controlled. Thereby, even if the wires 91a and 91b are loosened in a state in which the flat panel 3 is locked to the main body 2, the unlocked flat panel 3 is prevented from being suddenly dropped by the loosened wires 91a and 91b. Can do.

(B)
Specifically, when an instruction to lower the flat panel 3 that is in a locked state is given when the indoor unit 1 is turned on, first, an initialization process for once raising the flat panel 3 to the vicinity of the suction port 21 is performed. Then, after the initialization process is completed, the lock of the flat panel 3 is released, and the lowering operation of the flat panel 3 is started. That is, the flat panel 3 does not perform the lowering operation until the initialization process is completed. Therefore, even when the wires 91a and 91b are loosened when the power is turned on, the unlocked flat panel 3 can be prevented from suddenly dropping due to the loosened wires 91a and 91b.

(C)
In the indoor unit 1, the panel operation control unit 11 determines that the initialization process has not been completed when the outputs of the storage detection limit switches 4 a and 4 b remain off signals, and the lowering operation of the flat panel 3. Do not start. Then, when the outputs of the storage detection limit switches 4a and 4b are switched from the off signal to the on signal, the panel operation control unit 11 determines that the initialization process is completed, and starts the lowering operation of the flat panel 3. Thereby, after the position of the flat panel 3 reliably reaches the vicinity of the suction port 21, the lowering operation of the flat panel 3 is performed.

(D)
Further, according to the indoor unit 1 according to the present embodiment, when an instruction to lower the flat panel 3 that is in a locked state is given during the operation of the indoor unit 1 such as an air conditioning operation or a filter cleaning operation, the flat panel 3 is first temporarily removed. Automatic storage processing is performed to raise the vicinity of the suction port 21. Then, after the automatic storage process is completed, the lock of the flat panel 3 is released and the lowering operation is started. That is, if the automatic storage process is not completed, the lowering operation of the flat panel 3 is not performed immediately. Therefore, even when the wires 91a and 91b are loosened during the operation of the indoor unit 1, the unlocked flat panel 3 can be prevented from suddenly dropping due to the loosened wires 91a and 91b. .

(E)
If the detection results of the storage detection limit switches 4a and 4b remain off signals, the panel operation control unit 11 determines that the automatic storage processing has not been completed and does not start the lowering operation of the flat panel 3. To. Further, when the detection result of the storage detection limit switches 4a and 4b is switched from the off signal to the on signal, the panel operation control unit 11 determines that the automatic storage processing is completed and starts the lowering operation of the flat panel 3. Thereby, after the position of the flat panel 3 reliably reaches the vicinity of the suction port 21, the lowering operation of the flat panel 3 is performed.

(F)
The operation state display unit 7 of the indoor unit 1 displays that the air conditioning operation (for example, the air conditioning operation) is performed in a state where the flat panel 3 is lowered from the main body 2. Therefore, the user can know that the air conditioning operation is performed in a state where the flat panel 3 is lowered below the main body 2.

(G)
Moreover, in the indoor unit 1, the rotation type flat panel 3 is employ | adopted. Thereby, the suction inlet 21 of the main body 2 is easily opened and closed.

(H)
Further, according to the indoor unit 1, when the flat panel 3 is in the locked state, the rotation shaft 31 of the flat panel 3 is gripped, so that the flat panel 3 is stably locked to the main body 2. Become.

<Other embodiments>
(A)
In the said embodiment, the case where the driving | running state display part 7 consisted of LED was demonstrated. However, since the operation state display part 7 should just be able to alert | report a driving | running state of the indoor unit 1 at that time to a user, it is not limited to the structure which consists of LED. Other configurations of the operation state display unit 7 include liquid crystal, a combination of liquid crystal and LED, a combination of LED and sound, and the like.

(B)
Further, in the indoor unit 1 of the above embodiment, the panel operation control unit 11 may allow the flat panel 3 to be lowered only for a predetermined time after the lock of the flat panel 3 to the main body 2 is released. Here, it is assumed that the predetermined time is determined in advance according to the specifications of the indoor unit 1, and is set to within 130 seconds, for example. The panel lock mechanisms 8a and 8b automatically lock the flat panel 3 to the main body 2 after a predetermined time has elapsed since the lock of the flat panel 3 to the main body 2 was released. Thereby, it is possible to prevent the flat panel 3 from being inadvertently instructed via the remote controller and the flat panel 3 from being lowered.

(C)
In the above embodiment, the case where the panel lock mechanisms 8a and 8b are configured by the gripping portions 81a and 81b, the lock motors 82a and 82b, and the lock limit switches 83a and 83b has been described. However, the structure of the mechanism for locking or unlocking the flat panel 3 to the main body 2 is not limited to this, and any structure may be used.

(D)
In the said embodiment, the case where the rotating shaft 31 of the flat panel 3 was provided in the decorative panel 2b side of the main body 2 was demonstrated. However, the rotation shaft 31 may be provided on the flat panel 3 side instead of the decorative panel 2b side.

(E)
In the above embodiment, the case where both the first detection unit and the second detection unit correspond to the storage detection limit switches 4a and 4b has been described. However, the first detection unit and the second detection unit may be provided separately.

  Moreover, in the said embodiment, the case where both the 1st predetermined position and the 2nd predetermined position were the positions P was demonstrated. However, the first predetermined position and the second predetermined position may be different from each other.

(F)
In the above embodiment, as shown in FIG. 9, when the flat panel 3 is instructed to be lowered in step S3 (Yes in S3), and further when the flat panel 3 is in the locked state (Yes in S4). In the above description, the flat panel 3 is lowered after the initialization process is completed (Yes in S8, S10). However, the flat panel 3 according to the present invention does not necessarily have to perform the lowering operation after the initialization process is completed. For example, when the flat panel 3 is in the locked state (Yes in S4), and the flat panel 3 is instructed to be lowered during the initialization process (Yes in S3), the flat panel 3 is instructed to be lowered. In order to notify the user that the lowering operation is not performed, the operation state display unit 7 may be lit and blinked when the lowering instruction is given. Also in this case, the method of notifying the user is not limited to lighting or blinking of the driving state display unit 7, but a method of notifying by a sound such as a buzzer, a method of displaying on a liquid crystal, a combination of LED and sound, and the like Can be mentioned.

  INDUSTRIAL APPLICABILITY The indoor unit according to the present invention has an effect of preventing the unlocked flat panel from suddenly falling, and can be applied to an indoor unit of a ceiling-mounted air conditioner.

(A) It is a perspective view of the indoor unit of the air conditioning apparatus which concerns on this embodiment, Comprising: The figure which shows the state which has closed the suction inlet while the flat panel is locked to the main body. (B) It is a perspective view of the indoor unit of the air conditioning apparatus which concerns on this embodiment, Comprising: The figure which shows the state which has opened the suction inlet while the flat panel is locked to the main body. (C) It is a perspective view of the indoor unit of the air conditioning apparatus which concerns on this embodiment, Comprising: The figure which shows the state by which the flat panel is unlocked with respect to the main body, and is located under the indoor unit main body. Schematic which shows the structure inside the indoor unit main body which concerns on this embodiment. Schematic which shows the panel lock mechanism which concerns on this embodiment, and the structure of the vicinity. It is a perspective view of the indoor unit of the air conditioning apparatus which concerns on this embodiment, Comprising: The figure which shows the abnormal state in which a part of flat panel is locked to the main body. (A) It is the schematic at the time of seeing the structure of the decorative panel vicinity which concerns on this embodiment from the inside of a main body, Comprising: The figure which shows the state which has closed the suction inlet while the panel takes a locked state. (B) It is the schematic at the time of seeing the structure of the decorative panel vicinity which concerns on this embodiment from the inside of a main body, Comprising: The figure which shows the state which has opened the suction inlet while the panel takes a locked state. (C) It is the schematic at the time of seeing the structure of the decorative panel vicinity which concerns on this embodiment from a main body inside side, Comprising: The figure which shows the state located in the downward direction of a suction inlet while taking a lock release state. (A) The external view of the remote controller used when a user gives an air-conditioning driving | operation instruction | indication. (B) The external view of the remote controller used when a user performs the raising / lowering instruction | indication of the flat panel 3. FIG. Schematic which shows the structure of the panel raising / lowering drive part which concerns on this embodiment. The block diagram which shows typically each apparatus which comprises the indoor unit which concerns on this embodiment. It is a figure for demonstrating operation | movement of the indoor unit which concerns on this embodiment, Comprising: The flowchart 1 which shows operation | movement of an indoor unit when the power supply of an indoor unit is turned on. FIG. 3 is a flowchart for explaining the operation of the indoor unit according to the present embodiment, and is a flowchart 2 showing the operation of the indoor unit when the power of the indoor unit is turned on. It is a figure for demonstrating operation | movement of the indoor unit which concerns on this embodiment, Comprising: The flowchart which shows operation | movement of an indoor unit when a fall instruction | indication is made during operation | movement of an indoor unit.

DESCRIPTION OF SYMBOLS 1 Indoor unit 2 Main body 21 Suction port 22 Outlet 23 Blower fan 24 Indoor heat exchanger 25 Filter 26 Filter cleaning mechanism 3 Flat panel 31 Rotating shaft 32 Panel rotation motors 4a and 4b Storage detection limit switch 5 Horizontal flap 6 Receiver 7 Operation status display units 8a and 8b Panel lock mechanisms 81a and 81b Grip units 82a and 81b Lock motors 83a and 81b Lock limit switches 9a and 9b Panel lift drive units 91a and 91b Wires 92a and 92b Lift units 97a and 97b Position detection counter limit Switch 10 Control unit 11 Panel operation control unit 12 Lock mechanism control unit 13 Display control unit

Claims (7)

An indoor unit (1) for a ceiling-mounted air conditioner,
The indoor unit body (2),
A locked state locked to the indoor unit main body (2) and an unlocked state unlocked to the indoor unit main body (2) can be adopted. When the unlocked state is adopted, the indoor unit main body ( A panel (3) that can be lowered below 2);
An instruction receiving unit (6) capable of receiving a lowering instruction of the panel (3);
When the instruction receiving unit (6) receives an instruction to lower the panel (3) when the panel (3) is locked, the operation of the panel (3) is controlled so that the panel (3) does not descend. A panel operation control unit (11);
Equipped with a,
An indoor air inlet (21) is formed on the lower surface of the indoor unit body (2),
The panel (3) is provided in the vicinity of the suction port (21) so that the suction port (21) can be opened and closed by rotating with respect to the indoor unit body (2) when the locked state is adopted. ing,
Air conditioner indoor unit (1). When the instruction receiving unit (6) receives an instruction to lower the panel (3) when the indoor unit (1) is turned on, the panel operation control unit (11) moves the panel (3) to the second position. (1) Control the operation of the panel (3) so that the panel (3) does not descend until the initialization process for raising it to a predetermined position is completed.
The indoor unit (1) of the air conditioning apparatus according to claim 1. A first detector (4a, 4b) for detecting that the panel (3) is located at the first predetermined position;
The panel operation control unit (11) controls the operation of the panel (3) based on the detection result of the first detection unit (4a, 4b).
The indoor unit (1) of the air conditioning apparatus according to claim 2. When the instruction receiving unit (6) receives a lowering instruction for the panel (3) during the air conditioning operation of the indoor unit (1), the panel operation control unit (11) moves the panel (3) to a second predetermined state. Controlling the operation of the panel (3) so that the panel (3) does not descend until the automatic storage process of raising to the position is completed.
The indoor unit (1) of the air conditioning apparatus in any one of Claims 1-3. A second detector (4a, 4b) for detecting that the panel (3) is located at the second predetermined position;
The panel operation control unit (11) controls the operation of the panel (3) based on the detection result of the second detection unit (4a, 4b).
The indoor unit (1) of the air conditioning apparatus according to claim 4. A notification section (7) for notifying that the air conditioning operation is performed in a state where the panel (3) is lowered from the indoor unit body (2);
The indoor unit (1) of the air conditioning apparatus in any one of Claims 1-5.   A grip portion (81a, 81b) for gripping the pivot shaft (31) of the panel (3);
  The panel (3) is locked to the indoor unit body (2) by gripping the rotating shaft (31) by the gripping portions (81a, 81b).
The indoor unit (1) of the air conditioning apparatus according to claim 1.

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