Air conditioning device and method of controlling air conditioning device
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2026-02-04
- Publication Date
- 2026-08-13
Smart Images
Figure JP2026003925_13082026_PF_FP_ABST
Abstract
Description
Air conditioner and control method for air conditioner
[0001] The present disclosure relates to an air conditioner and a control method for an air conditioner.
[0002] In an air conditioner, there is known an air conditioner in which a first group of louvers arranged on one side in the horizontal direction and a second group of louvers arranged on the other side in the horizontal direction can be driven independently (see, for example, Patent Document 1). In such an air conditioner, a front blowing mode in which conditioned air is guided in the front direction at each position in the horizontal direction, and a first group of louvers guides the conditioned air from one side to the other side and a second group of louvers guides the conditioned air from the other side to one side to guide the conditioned air to a specific area in the room. It is possible to execute a plurality of blowing modes including a spot blowing mode.
[0003] Also, there is known a technique for performing an initial position operation for positioning the initial position of a louver (wind direction plate) that directs the blown air in the left - right direction in an air conditioner (see, for example, Patent Document 2). The air conditioner disclosed in Patent Document 2 positions the louver at an arbitrary predetermined position within the operating range by executing an initial position setting operation in which the louver is brought into contact with stoppers provided on both sides of the operating range of the louver. The air conditioner disclosed in Patent Document 2 automatically executes the initial position setting operation when the power of the air conditioner is turned on or when the left - right blowing grill swings.
[0004] Japanese Patent Application Laid - Open No. 7 - 12390, Japanese Patent Application Laid - Open No. 5 - 87395
[0005] In the front blowing mode and the spot blowing mode, the angle difference between the plurality of louvers is small. Therefore, if a mechanical error occurs in the connection mechanism for transmitting the driving force of the motor used to adjust the wind direction of the louver to the louver, the angle difference between the plurality of louvers in the front blowing mode and the spot blowing mode may become even smaller. In this case, even in the front blowing mode, the conditioned air may be guided to a specific area in the room like in the spot blowing mode, or even in the spot blowing mode, the conditioned air may be guided in the front direction at each position in the horizontal direction, etc., and it may not be possible to adjust to the desired wind direction.
[0006] As disclosed in Patent Document 2, if the initial position setting operation is performed automatically when the power is turned on, at least the mechanical errors of the coupling mechanism immediately after power-on will be eliminated. However, if mechanical errors of the coupling mechanism accumulate during operation, a problem will arise in which the wind direction cannot be adjusted to the desired direction.
[0007] This disclosure has been made in view of these circumstances and aims to provide an air conditioning system and a control method for an air conditioning system that can appropriately set the airflow direction of the conditioned air in the forward discharge mode and the airflow direction of the conditioned air in the spot discharge mode without relying on mechanical errors.
[0008] To solve the above problems, an air conditioning system and a control method for an air conditioning system according to one aspect of this disclosure employ the following means.
[0009] An air conditioning system according to one aspect of the present disclosure comprises: a plurality of louvers arranged at intervals from a central position toward one and the other in the horizontal direction; a first connecting member to which a first group of louvers located toward one side of the horizontal direction from the central position is rotatably connected around a first rotation axis; a second connecting member to which a second group of louvers located toward the other side of the horizontal direction from the central position is rotatably connected around a second rotation axis; a first crank member rotatably connected to the first connecting member; a second crank member rotatably connected to the second connecting member; a first motor for swinging the first crank member; a second motor for swinging the second crank member; and a control unit for controlling the first motor and the second motor, wherein the control unit has a front discharge mode in which the first group of louvers and the second group of louvers guide conditioned air toward the front, and The system is capable of performing a spot discharge mode in which the first group of louvers guides conditioned air from one side to the other in the horizontal direction and the second group of louvers guides conditioned air from the other side to the one side in the horizontal direction, and other discharge modes in which conditioned air is guided in a direction different from the front discharge mode and the spot discharge mode. It is capable of performing a reference position adjustment operation that controls the first crank member to move to a first reference position where it abuts against the first positioning member, and the second crank member to move to a second reference position where it abuts against the second positioning member. When performing a first switching operation to switch from the other discharge mode to the spot discharge mode, or when performing a second switching operation to switch from the other discharge mode to the front discharge mode, the reference position adjustment operation is performed before performing the first switching operation or the second switching operation.
[0010] In a control method for an air conditioning system according to one aspect of the present disclosure, the air conditioning system comprises: a plurality of louvers arranged at intervals from a central position toward one and the other side in the horizontal direction; a first connecting member to which a first group of louvers located toward one side in the horizontal direction from the central position is rotatably connected around a first rotation axis; a second connecting member to which a second group of louvers located toward the other side in the horizontal direction from the central position is rotatably connected around a second rotation axis; a first crank member rotatably connected to the first connecting member; a second crank member rotatably connected to the second connecting member; a first motor for swinging the first crank member; and a second motor for swinging the second crank member, wherein the first group of louvers and the second group of louvers guide conditioned air toward the front direction, and the first group of louvers guide conditioned air toward one side in the horizontal direction from the other side, and the second group of louvers guide conditioned air toward the horizontal direction. The system includes a blowing step in which the first motor and the second motor are controlled to perform either a spot blowing mode that directs conditioned air from one side of a direction to the other, or another blowing mode that directs conditioned air in a direction different from the forward blowing mode and the spot blowing mode, and an adjustment step in which the first motor and the second motor are controlled to perform a reference position adjustment operation that moves the first crank member to a first reference position where it abuts against a first positioning member, and moves the second crank member to a second reference position where it abuts against a second positioning member, wherein the adjustment step is performed before the first switching operation or the second switching operation when the blowing step performs a first switching operation that switches from the other blowing mode to the spot blowing mode, or when it performs a second switching operation that switches from the other blowing mode to the forward blowing mode.
[0011] According to this disclosure, it is possible to provide an air conditioning system and a control method for an air conditioning system that can appropriately set the airflow direction of the conditioned air in the forward discharge mode and the airflow direction of the conditioned air in the spot discharge mode without relying on mechanical errors.
[0012] This is a perspective view showing an indoor unit according to one embodiment of the present disclosure. This is a perspective view showing the interior of the indoor unit in Figure 1. This is a plan view showing multiple louvers when the front airflow mode is being executed. This is a partially enlarged view showing the vicinity of the first group of louvers in Figure 3. This is a partially enlarged view showing the vicinity of the second group of louvers in Figure 3. This is a plan view showing multiple louvers when the spot airflow mode is being executed. This is a diagram showing the state in which the first connecting plate is in contact with the airflow grille. This is a diagram showing the state in which the second connecting plate is in contact with the airflow grille. This is a flowchart showing a control method for an indoor unit according to one embodiment of the present disclosure.
[0013] Hereinafter, an indoor unit (air conditioning system) 100 according to one embodiment of the present disclosure will be described with reference to the drawings. Figure 1 is a perspective view showing the indoor unit 100 according to one embodiment of the present disclosure. Figure 2 is a perspective view showing the interior of the indoor unit 100 of Figure 1.
[0014] The indoor unit 100 is a wall-mounted type that draws in indoor air from above and blows conditioned air into the room from an outlet at the bottom. The indoor unit 100 is connected to an outdoor unit (not shown) and receives a supply of compressed refrigerant from the outdoor unit. An indoor heat exchanger installed inside the indoor unit 100 adjusts the indoor air to a predetermined temperature.
[0015] As shown in Figure 2, the indoor unit 100 comprises a base plate 3 fixed to the wall surface of the room and an indoor heat exchanger 5 attached to the base plate 3. Below the indoor heat exchanger 5, an air outlet 7 is formed, extending along the horizontal direction HD, which is the width direction of the indoor unit 100. The air outlet 7 is provided with a plurality of louvers 10 at predetermined intervals along the horizontal direction HD. Each louver 10 is a plate-shaped body made of resin. Each louver 10 is rotatably attached to a bearing portion 9 provided on the main body side of the indoor unit 100. Each louver 10 is provided with a mounting pin 10a, which is rotatably attached to the first connecting plate 11.
[0016] Figure 3 is a plan view showing the multiple louvers 10, 20 when the front airflow mode is being executed. As shown in Figure 3, the indoor unit 100 of this embodiment comprises the multiple louvers 10, 20, a first connecting plate (first connecting member) 11, a second connecting plate (second connecting member) 21, a first crank member 12, a second crank member 22, a first motor 13, a second motor 23, and a control unit 30.
[0017] Multiple louvers 10 and 20 are arranged at intervals from the central position Pc toward one side (left side) and the other side (right side) of the horizontal HD. The first group of louvers 10 is positioned to one side (left side) of the horizontal HD relative to the central position Pc. The second group of louvers 20 is positioned to the other side (right side) of the horizontal HD relative to the central position Pc.
[0018] The first connecting plate 11 is a member to which the first group of louvers 10 are connected so as to be rotatable around the first rotation axis 9a. Each of the first group of louvers 10 is attached to the first connecting plate 11 by a mounting pin 10a. The second connecting plate 21 is a member to which the second group of louvers 20 are connected so as to be rotatable around the second rotation axis 9b. Each of the second group of louvers 20 is attached to the second connecting plate 21 by a mounting pin 10b.
[0019] The first crank member 12 is a member that is rotatably connected to the first connecting plate 11. The first crank member 12 converts the rotational motion transmitted from the first motor 13 into reciprocating motion that moves the first connecting plate 11 along the horizontal direction HD.
[0020] The second crank member 22 is a member that is rotatably connected to the second connecting plate 21. The second crank member 22 converts the rotational motion transmitted from the second motor 23 into reciprocating motion that moves the second connecting plate 21 along the horizontal direction HD.
[0021] The first motor 13 is a stepping motor that oscillates the first crank member 12 around the first drive shaft 13a. The second motor 23 is a stepping motor that oscillates the second crank member 22 around the second drive shaft 23a. The first motor 13 oscillates around the first drive shaft 13a by an angle corresponding to the number of drive pulses transmitted from the control unit 30. The second motor 23 oscillates around the second drive shaft 23a by an angle corresponding to the number of drive pulses transmitted from the control unit 30.
[0022] The control unit 30 is a device that controls the first motor 13 and the second motor 23. The control unit 30 is composed of, for example, a CPU (Central Processing Unit), RAM (Random Access Memory), ROM (Read Only Memory), and a computer-readable storage medium. A series of processes for realizing various functions are stored in the storage medium in the form of a program, for example. The CPU reads this program into the RAM and performs information processing and calculations to realize the various functions.
[0023] Now, referring to Figure 4, we will describe the mechanism for controlling the first motor 13 to rotate the first group of louvers 10 around the first rotation axis 9a. Figure 4 is a partially enlarged view showing the vicinity of the first group of louvers 10 in Figure 3.
[0024] When the control unit 30 adjusts the direction of the conditioned air A1 blown out from the indoor unit 100 by the first group of louvers 10, it controls the first motor 13 to swing the first crank member 12 around the first drive shaft 13a. The first crank member 12 converts the rotational motion around the first drive shaft 13a into reciprocating motion in the horizontal direction HD, and moves the first connecting plate 11 in the horizontal direction HD.
[0025] The first connecting plate 11 rotates the louver 10 around the first rotation axis 9a by moving the mounting pin 10a in the horizontal direction HD. The louver 10 rotates within the range of axes Ax12 and Ax13, which are inclined at an angle θ with respect to axis Ax11, centered on axis Ax11, which coincides with the front direction perpendicular to the horizontal direction HD.
[0026] Now, referring to Figure 5, we will describe the mechanism for controlling the second motor 23 to rotate the second group of louvers 20 around the second rotation axis 9b. Figure 5 is a partially enlarged view showing the vicinity of the second group of louvers 20 in Figure 3.
[0027] When the control unit 30 adjusts the direction of the conditioned air A2 blown out from the indoor unit 100 by the second group of louvers 20, it controls the second motor 23 to swing the second crank member 22 around the second drive shaft 23a. The second crank member 22 converts the rotational motion around the second drive shaft 23a into reciprocating motion in the horizontal direction HD, moving the second connecting plate 21 in the horizontal direction HD.
[0028] The second connecting plate 21 rotates the louver 20 around the second rotation axis 9b by moving the mounting pin 10b in the horizontal direction HD. The louver 20 rotates within the range of axes Ax22 and Ax23, which are inclined at an angle θ with respect to axis Ax21, with axis Ax21 being the axis that coincides with the front direction perpendicular to the horizontal direction HD.
[0029] The control unit 30 can execute multiple airflow modes by controlling the first motor 13 to rotate the first group of louvers 10 and the second motor 23 to rotate the second group of louvers 20. The control unit 30 can execute a forward airflow mode in which the first group of louvers 10 and the second group of louvers 20 direct the conditioned airflow in a forward direction. As shown in Figure 3, the control unit 30 executes a forward airflow mode in which the conditioned airflow A1 and conditioned airflow A2 are blown forward from the internal space S1 of the indoor unit 100 to the indoor space S2 by setting the orientation of the first group of louvers 10 and the second group of louvers 20 to a forward direction perpendicular to the horizontal direction HD.
[0030] The control unit 30 can execute a spot blowing mode in which the first group of louvers 10 and the second group of louvers 20 guide the air-conditioned air in a forward direction. Figure 6 is a plan view showing the multiple louvers when executing the spot blowing mode. As shown in Figure 6, when executing the spot blowing mode, the control unit 30 rotates the first group of louvers 10 and the second group of louvers 20 so that the first group of louvers 10 guides the air-conditioned air A1 from one side (left side) to the other side (right side) of the horizontal direction HD, and the second group of louvers 20 guides the air-conditioned air A2 from the other side (right side) to the one side (left side) of the horizontal direction HD.
[0031] The control unit 30 controls the first motor 13 so that the angle difference θd between the rotation angle of the first group of louvers 10 around the first rotation axis 9a in spot blowing mode and the rotation angle of the first group of louvers 10 around the first rotation axis 9a in front blowing mode is 7 degrees or more and 13 degrees or less. Similarly, the control unit 30 controls the second motor 23 so that the angle difference θd between the rotation angle of the second group of louvers 20 around the second rotation axis 9b in spot blowing mode and the rotation angle of the second group of louvers 20 around the second rotation axis 9b in front blowing mode is 7 degrees or more and 13 degrees or less.
[0032] The control unit 30 can execute other blowing modes that direct the conditioned air A1 and A2 in directions different from the forward blowing mode and the spot blowing mode. For example, as another blowing mode, the control unit 30 can execute a left blowing mode that directs both the conditioned air A1 and conditioned air A2 to one side (the left side) of the horizontal direction HD. Also, as another blowing mode, the control unit 30 can execute a right blowing mode that directs both the conditioned air A1 and conditioned air A2 to the other side (the right side) of the horizontal direction HD.
[0033] Next, the reference position adjustment operation performed by the control unit 30 will be described with reference to the drawings. Figure 7 shows the state in which the first connecting plate 11 is in contact with the blow-out grille 7a. Figure 8 shows the state in which the second connecting plate 21 is in contact with the blow-out grille 7b. The reference position adjustment operation is the operation of moving the first connecting plate 11 to a first reference position in which it abuts against the blow-out grille (first positioning member) 7a, and moving the second connecting plate 21 to a second reference position in which it abuts against the blow-out grille (second positioning member) 7b.
[0034] As shown in Figure 7, the control unit 30 transmits a number of drive pulses to the first motor 13 such that each of the first group of louvers 10 rotates clockwise around the first rotation axis 9a, so that at least the first contact portion 11a of the first connecting plate 11 comes into contact with the blowing grille 7a. When the first contact portion 11a of the first connecting plate 11 comes into contact with the blowing grille 7a, the rotation angle of each louver 10 becomes an angle that coincides with the axis Ax12, and mechanical errors from the first motor 13 through the first crank member 12 and the first connecting plate 11 to the first group of louvers 10 are eliminated.
[0035] As shown in Figure 8, the control unit 30 transmits a number of drive pulses to the second motor 23 such that each of the second group of louvers 20 rotates clockwise around the second rotation axis 9b, so that at least the second contact portion 21a of the second connecting plate 21 comes into contact with the blowing grille 7b. When the second contact portion 21a of the second connecting plate 21 comes into contact with the blowing grille 7b, the rotation angle of each louver 20 becomes an angle that coincides with the axis Ax22, and mechanical errors from the second motor 23 through the second crank member 22 and the second connecting plate 21 to the second group of louvers 20 are eliminated.
[0036] Next, with reference to Figure 9, the control method for the indoor unit 100 of this embodiment will be described with reference to the drawings. Figure 9 is a flowchart showing the control method for the indoor unit 100 according to one embodiment of the present disclosure.
[0037] In step S101, immediately after the indoor unit 100 is powered on and starts up, the control unit 30 performs a reference position adjustment operation. The control unit 30 abuts the first connecting plate 11 against the blow-out grille (first positioning member) 7a in order to eliminate mechanical errors from the first motor 13 through the first crank member 12 and the first connecting plate 11 to the first group of louvers 10. The control unit 30 also abuts the second connecting plate 21 against the blow-out grille (second positioning member) 7b in order to eliminate mechanical errors from the second motor 23 through the second crank member 22 and the second connecting plate 21 to the second group of louvers 20.
[0038] In step S102, the control unit 30 sets one of several airflow modes, including front airflow mode, spot airflow mode, left airflow mode, and right airflow mode, as the airflow mode for the air conditioner A1 and A2, based on instructions from the operator, for example, input from a remote control.
[0039] In step S103, the control unit 30 determines whether a first switching operation, which switches from another blowing mode (not including the spot blowing mode) to the spot blowing mode, was instructed in step S102. If the answer is YES, the process proceeds to step S104; otherwise, the process proceeds to step S105.
[0040] In step S104, the control unit 30 performs a reference position adjustment operation because a first switching operation is set to switch from another blowing mode that does not include the spot blowing mode to the spot blowing mode. That is, when the control unit 30 performs the first switching operation, it performs the reference position adjustment operation before performing the first switching operation.
[0041] In step S105, the control unit 30 controls the first motor 13 and the second motor 23 to execute the blowing mode set in step S102.
[0042] In step S106, the control unit 30 determines whether to stop the operation of this flowchart and turn off the power of the indoor unit 100 based on an instruction from an operator input from, for example, a remote controller. If it is YES, the power of the indoor unit 100 is turned off and the processing of this flowchart is terminated. If it is NO, the processing of step S102 is executed again.
[0043] When the control unit 30 determines NO in step S106 and executes step S102, if there is no instruction from an operator input from the remote controller or the same blowing mode as the blowing mode set in the executed step S102 is instructed, the blowing mode set in the executed step S102 is set again in step S102.
[0044] In the control method of the indoor unit 100 described above, it was determined whether the first switching operation was instructed in step S103, but other aspects may also be possible. For example, it may be determined whether a second switching operation to switch from another blowing mode that does not include the front blowing mode to the front blowing mode is instructed in step S103. In this case, when the control unit 30 executes the second switching operation, it executes a reference position adjustment operation in step S104 before step S105 where the second switching operation is executed.
[0045] In the control method of the indoor unit 100 described above, it was determined whether the first switching operation was instructed in step S103, but other aspects may also be possible. For example, it may be determined whether either a first switching operation to switch from another blowing mode that does not include the spot blowing mode and the front blowing mode to the spot blowing mode or a second switching operation to switch from another blowing mode to the front blowing mode is instructed in step S103. In this case, when the control unit 30 executes the first switching operation, it executes a reference position adjustment operation in step S104 before step S105 where the first switching operation is executed, and when the control unit 30 executes the second switching operation, it executes a reference position adjustment operation in step S104 before step S105 where the second switching operation is executed.
[0046] In the control method of the indoor unit 100 described above, it is determined whether the first switching operation is instructed in step S103, and if it is YES, the reference position adjustment operation is executed in step S104. However, other aspects may also be possible. For example, it may be determined whether the number of times the first switching operation is instructed in step S103 has reached a predetermined number of 2 or more since the power is turned on, and if it is YES, the reference position adjustment operation may be executed in step S104.
[0047] The operation and effect of the indoor unit 100 of the present embodiment described above will be described.
[0048] According to the indoor unit 100 of the present embodiment, when switching from another blowing mode to the spot blowing mode, the reference position adjustment operation is executed. Therefore, the mechanical error from the first motor 13 to the first group of louvers 10 via the first crank member 12 and the first connecting plate 11, and the mechanical error from the second motor 23 to the second group of louvers 20 via the second crank member 22 and the second connecting plate 21 are eliminated. As a result, the wind directions of the air-conditioning winds A1 and A2 in the front blowing mode and the wind directions of the air-conditioning winds A1 and A2 in the spot blowing mode can be appropriately set without mechanical errors.
[0049] According to the indoor unit 100 of the present embodiment, when executing the spot blowing mode and the front blowing mode in which the angle difference θd around the first rotation axis 9a of the first group of louvers 10 and the angle difference θd around the second rotation axis 9b of the second group of louvers 20 are each small angles of 7 degrees or more and 13 degrees or less, the wind directions of the air-conditioning winds A1 and A2 in the front blowing mode and the wind directions of the air-conditioning winds A1 and A2 in the spot blowing mode can be appropriately set without mechanical errors.
[0050] The air conditioner and the control method of the air conditioner described in each of the embodiments described above are understood as follows, for example.
[0051] An air conditioning system according to a first aspect of this disclosure includes a plurality of louvers (10, 20) arranged at intervals from a central position (Pc) toward one and the other side in the horizontal direction (HD), a first connecting member (11) to which a first group of louvers located on one side of the horizontal direction from the central position is rotatably connected around a first rotation axis (9a), and a second connecting member (11) to which a second group of louvers located on the other side of the horizontal direction from the central position is rotatably connected around a second rotation axis (9b). The device comprises a connecting member (21), a first crank member (12) rotatably connected to the first connecting member, a second crank member (22) rotatably connected to the second connecting member, a first motor (13) for swinging the first crank member, a second motor (23) for swinging the second crank member, and a control unit (30) for controlling the first and second motors, wherein the control unit controls the first group of louvers and the second group of louvers facing forward. The system is capable of performing a front airflow mode in which conditioned air is directed in a forward direction, a spot airflow mode in which the first group of louvers directs conditioned air from one side to the other in the horizontal direction and the second group of louvers directs conditioned air from the other side to the one side in the horizontal direction, and other airflow modes that direct conditioned air in a direction different from the front airflow mode and the spot airflow mode. It is also capable of performing a reference position adjustment operation that controls the first connecting member to move to a first reference position where it abuts against the first positioning member (7a), and the second connecting member to move to a second reference position where it abuts against the second positioning member (7b). When performing a first switching operation to switch from the other airflow mode to the spot airflow mode, or a second switching operation to switch from the other airflow mode to the front airflow mode, the reference position adjustment operation is performed before performing the first switching operation or the second switching operation.
[0052] In the forward-facing and spot-facing modes, the angle difference between the multiple louvers is small. Therefore, if there is a mechanical error in the coupling mechanism that transmits the driving force of the motor used to adjust the airflow direction of the louvers to the louvers, the angle difference between the multiple louvers in the forward-facing and spot-facing modes may become even smaller.
[0053] According to the air conditioning system of the first aspect of this disclosure, a reference position adjustment operation is performed when switching from another discharge mode to a spot discharge mode or a front discharge mode. As a result, mechanical errors from the first motor through the first crank member and the first connecting member to the first group of louvers, and mechanical errors from the second motor through the second crank member and the second connecting member to the second group of louvers, are eliminated. This makes it possible to appropriately set the airflow direction of the conditioned air in the front discharge mode and the airflow direction of the conditioned air in the spot discharge mode without relying on mechanical errors.
[0054] An air conditioning system according to a second aspect of this disclosure further comprises the following configuration in the first aspect: that, when the control unit performs the first switching operation, it performs the reference position adjustment operation before performing the first switching operation.
[0055] According to the air conditioning system of the second aspect of this disclosure, a reference position adjustment operation is performed when switching from other discharge modes to spot discharge mode. This eliminates mechanical errors from the first motor through the first crank member and first connecting member to the first group of louvers, and mechanical errors from the second motor through the second crank member and second connecting member to the second group of louvers. As a result, the airflow direction of the conditioned air in the front discharge mode and the airflow direction of the conditioned air in the spot discharge mode can be appropriately set without mechanical errors.
[0056] An air conditioning system according to a third aspect of the present disclosure further comprises the following configuration in the first aspect: that, when the control unit performs the second switching operation, it performs the reference position adjustment operation before performing the second switching operation.
[0057] According to the air conditioning system of the third aspect of this disclosure, a reference position adjustment operation is performed when switching from another discharge mode to the front discharge mode. This eliminates mechanical errors from the first motor through the first crank member and the first connecting member to the first group of louvers, and mechanical errors from the second motor through the second crank member and the second connecting member to the second group of louvers. As a result, the airflow direction of the conditioned air in the front discharge mode and the airflow direction of the conditioned air in the spot discharge mode can be appropriately set without mechanical errors.
[0058] An air conditioning system according to a fourth aspect of the present disclosure further comprises the following configuration in any of the first to third aspects: The control unit controls the first motor so that the angle difference between the rotation angle of the first group of louvers around the first rotation axis in the spot discharge mode and the rotation angle of the first group of louvers around the first rotation axis in the front discharge mode is 7 degrees or more and 13 degrees or less, and controls the second motor so that the angle difference between the rotation angle of the second group of louvers around the second rotation axis in the spot discharge mode and the rotation angle of the second group of louvers around the second rotation axis in the front discharge mode is 7 degrees or more and 13 degrees or less.
[0059] According to the air conditioning system of the fourth aspect of this disclosure, when performing a spot discharge mode and a front discharge mode in which the angle difference around the first rotation axis of the first group of louvers and the angle difference around the second rotation axis of the second group of louvers are small angles of 7 degrees or more and 13 degrees or less, the airflow direction of the conditioned air in the front discharge mode and the airflow direction of the conditioned air in the spot discharge mode can be appropriately set without mechanical error.
[0060] A control method for an air conditioning system according to a fifth aspect of the present disclosure, wherein the air conditioning system comprises: a plurality of louvers arranged at intervals from a central position toward one and the other side in the horizontal direction; a first connecting member to which a first group of louvers located toward one side in the horizontal direction from the central position is rotatably connected around a first rotation axis; a second connecting member to which a second group of louvers located toward the other side in the horizontal direction from the central position is rotatably connected around a second rotation axis; a first crank member rotatably connected to the first connecting member; a second crank member rotatably connected to the second connecting member; a first motor for swinging the first crank member; and a second motor for swinging the second crank member, wherein the control method comprises: a front discharge mode in which the first group of louvers and the second group of louvers guide conditioned air toward the front direction; and a mode in which the first group of louvers guide conditioned air toward one side in the horizontal direction from the other side and the second group of louvers guide conditioned air toward the horizontal direction The device includes a blowing step (S105) in which the first motor and the second motor are controlled to perform either a spot blowing mode in which conditioned air is directed from one side to the other, or another blowing mode in which conditioned air is directed in a direction different from the front blowing mode and the spot blowing mode, and an adjustment step (S104) in which the first motor and the second motor are controlled to perform a reference position adjustment operation in which the first crank member is moved to a first reference position where it abuts against the first positioning member, and the second crank member is moved to a second reference position where it abuts against the second positioning member, wherein the adjustment step is performed before the first switching operation or the second switching operation when the blowing step performs a first switching operation to switch from the other blowing mode to the spot blowing mode, or when it performs a second switching operation to switch from the other blowing mode to the front blowing mode.
[0061] According to the control method for an air conditioning system in the fifth aspect of this disclosure, a reference position adjustment operation is performed when switching from another blowing mode to a spot blowing mode or a front blowing mode. As a result, mechanical errors from the first motor through the first crank member and the first connecting member to the first group of louvers, and mechanical errors from the second motor through the second crank member and the second connecting member to the second group of louvers are eliminated. This makes it possible to appropriately set the airflow direction of the conditioned air in the front blowing mode and the airflow direction of the conditioned air in the spot blowing mode without relying on mechanical errors.
[0062] A control method for an air conditioning system according to a sixth aspect of this disclosure further comprises the following configuration in a fifth aspect: that, when the discharge process performs the first switching operation, the adjustment step performs the reference position adjustment operation before performing the first switching operation.
[0063] According to the control method for an air conditioning system in the sixth aspect of this disclosure, a reference position adjustment operation is performed when switching from another discharge mode to a spot discharge mode. This eliminates mechanical errors from the first motor through the first crank member and the first connecting member to the first group of louvers, and mechanical errors from the second motor through the second crank member and the second connecting member to the second group of louvers. As a result, the airflow direction of the conditioned air in the front discharge mode and the airflow direction of the conditioned air in the spot discharge mode can be appropriately set without mechanical errors.
[0064] A control method for an air conditioning system according to a seventh aspect of the present disclosure further comprises the following configuration in a fifth aspect: that, when the blowing process performs the second switching operation, the adjustment step performs the reference position adjustment operation before performing the second switching operation.
[0065] According to the control method for an air conditioning system in the seventh aspect of this disclosure, a reference position adjustment operation is performed when switching from another blowing mode to the front blowing mode. This eliminates mechanical errors from the first motor through the first crank member and the first connecting member to the first group of louvers, and mechanical errors from the second motor through the second crank member and the second connecting member to the second group of louvers. As a result, the airflow direction of the conditioned air in the front blowing mode and the airflow direction of the conditioned air in the spot blowing mode can be appropriately set without mechanical errors.
[0066] A control method for an air conditioning system according to the eighth aspect of the present disclosure further comprises the following configuration in any of the fifth to seventh aspects: The blowing process controls the first motor so that the angle difference between the rotation angle of the first group of louvers around the first rotation axis in the spot blowing mode and the rotation angle of the first group of louvers around the first rotation axis in the front blowing mode is 7 degrees or more and 13 degrees or less, and the second motor controls the second motor so that the angle difference between the rotation angle of the twelfth louver around the second rotation axis in the spot blowing mode and the rotation angle of the second group of louvers around the second rotation axis in the front blowing mode is 7 degrees or more and 13 degrees or less.
[0067] According to the control method for an air conditioning system in the eighth aspect of this disclosure, when performing a spot discharge mode and a front discharge mode in which the angle difference around the first rotation axis of the first group of louvers and the angle difference around the second rotation axis of the second group of louvers are small angles of 7 degrees or more and 13 degrees or less, the airflow direction of the conditioned air in the front discharge mode and the airflow direction of the conditioned air in the spot discharge mode can be appropriately set without mechanical error.
[0068] 7 Outlet 7a Outlet grille (first positioning member) 7b Outlet grille (second positioning member) 9 Bearing section 9a First rotating shaft 9b Second rotating shaft 10 Louver 10a, 10b Mounting pin 11 First connecting plate (first connecting member) 11a First contact section 12 First crank member 13 First motor 13a First drive shaft 20 Louver 21 Second connecting plate (second connecting member) 21a Second contact section 22 Second crank member 23 Second motor 23a Second drive shaft 30 Control unit 100 Indoor unit (air conditioning device) A1, A2 Air conditioning air Ax11, Ax12, Ax13, Ax21, Ax22, Ax23 Axis HD Horizontal direction Pc Center position S1 Internal space S2 Indoor space θ angle θd angle difference
Claims
1. A plurality of louvers arranged at intervals from a central position toward one and the other in the horizontal direction; a first connecting member to which a first group of louvers located toward one side of the central position in the horizontal direction is rotatably connected around a first rotation axis; a second connecting member to which a second group of louvers located toward the other side of the central position in the horizontal direction is rotatably connected around a second rotation axis; a first crank member rotatably connected to the first connecting member; a second crank member rotatably connected to the second connecting member; a first motor for swinging the first crank member; a second motor for swinging the second crank member; and a control unit for controlling the first motor and the second motor, wherein the control unit is Air conditioning device capable of performing a front discharge mode in which the first group of louvers and the second group of louvers guide conditioned air toward the front, a spot discharge mode in which the first group of louvers guide conditioned air toward one side in the horizontal direction and the second group of louvers guide conditioned air toward one side in the horizontal direction, and other discharge modes in which conditioned air is guided toward a direction different from the front discharge mode and the spot discharge mode, a reference position adjustment operation capable of controlling the first connecting member to move to a first reference position where it abuts against the first positioning member, and the second connecting member to move to a second reference position where it abuts against the second positioning member, and the reference position adjustment operation is performed before performing the first switching operation or the second switching operation when performing a first switching operation to switch from the other discharge mode to the spot discharge mode, or when performing a second switching operation to switch from the other discharge mode to the front discharge mode.
2. The air conditioning device according to claim 1, wherein the control unit performs the reference position adjustment operation before performing the first switching operation.
3. The air conditioning device according to claim 1, wherein the control unit performs the reference position adjustment operation before performing the second switching operation.
4. The control unit controls the first motor so that the angle difference between the rotation angle of the first group of louvers around the first rotation axis in the spot blowing mode and the rotation angle of the first group of louvers around the first rotation axis in the front blowing mode is 7 degrees or more and 13 degrees or less, and controls the second motor so that the angle difference between the rotation angle of the second group of louvers around the second rotation axis in the spot blowing mode and the rotation angle of the second group of louvers around the second rotation axis in the front blowing mode is 7 degrees or more and 13 degrees or less. The air conditioning device according to any one of claims 1 to 3.
5. A method for controlling an air conditioning system, the air conditioning system comprising: a plurality of louvers arranged at intervals from a central position toward one and the other in the horizontal direction; a first connecting member to which a first group of louvers located toward one side of the central position in the horizontal direction are rotatably connected around a first rotation axis; a second connecting member to which a second group of louvers located toward the other side of the central position in the horizontal direction are rotatably connected around a second rotation axis; a first crank member rotatably connected to the first connecting member; a second crank member rotatably connected to the second connecting member; a first motor for swinging the first crank member; and a second motor for swinging the second crank member. The air conditioner comprises: a blowing step in which the first group of louvers and the second group of louvers guide conditioned air in a forward direction; a spot blowing mode in which the first group of louvers guide conditioned air from one side of the horizontal direction to the other side and the second group of louvers guide conditioned air from the other side of the horizontal direction to the one side; and other blowing modes in which conditioned air is guided in a direction different from the forward blowing mode and the spot blowing mode; and an adjustment step in which the first motor and the second motor are controlled to perform a reference position adjustment operation, which moves the first connecting member to a first reference position where it abuts against the first positioning member, and moves the second connecting member to a second reference position where it abuts against the second positioning member. The adjustment step is a control method for an air conditioner in which, when the blowing step performs a first switching operation to switch from the other blowing mode to the spot blowing mode, or a second switching operation to switch from the other blowing mode to the front blowing mode, the reference position adjustment operation is performed before the first switching operation or the second switching operation is performed.
6. The control method for an air conditioning system according to claim 5, wherein the adjustment step is performed before the first switching operation is performed when the blowing step is performed.
7. The control method for an air conditioning system according to claim 5, wherein the adjustment step is performed before the second switching operation is performed when the blowing step is performed.
8. The air blowing step involves controlling the first motor so that the angle difference between the rotation angle of the first group of louvers around the first rotation axis in the spot blowing mode and the rotation angle of the first group of louvers around the first rotation axis in the front blowing mode is 7 degrees or more and 13 degrees or less, and controlling the second motor so that the angle difference between the rotation angle of the second group of louvers around the second rotation axis in the spot blowing mode and the rotation angle of the second group of louvers around the second rotation axis in the front blowing mode is 7 degrees or more and 13 degrees or less.