JPH11132541A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain proper air volume when the supply direction of conditioned air by right and left flaps. SOLUTION: An air volume setting part sets the drive step of a fan motor 76 for rotating a crossflow fan at rotating speed corresponding to set or selected air volume. A right and left flap motor is driven based on the angle θ of right and left flaps set by a wind direction setting part 166, so that the right and left flaps are swung. An air volume correction part 168 corrects a drive step X0 based on the set angle θ of the right and left flaps and drives the fan motor based on the corrected drive step X. Thus, the air conditioned wind of the air volume corrected in accordance with the swinging of the right and left flaps is supplied from an air outlet.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner for controlling the air in a room to be air-conditioned provided with an indoor unit. More specifically, the present invention relates to an air conditioner that blows out conditioned air toward a predetermined range along the horizontal direction by reciprocating left and right flaps provided at an outlet.

[0002]

2. Description of the Related Art Air conditioners (hereinafter referred to as "air conditioners").
Air-conditioned air is blown out as air-conditioned air into the room to be air-conditioned by passing through a heat exchanger of an indoor unit (indoor unit) provided in the room to be air-conditioned, thereby achieving air conditioning in the room to be air-conditioned. ing.

In such an air conditioner, a temperature sensor is provided on a remote control switch for operating the air conditioner, and the temperature and air volume of the conditioned air are controlled so that the temperature detected by the temperature sensor of the remote control switch becomes a set temperature. There are things that I try to do. That is, the remote control switch is operated by a person in the room to be air-conditioned, and the temperature detected by the temperature sensor of the remote control switch is close to the sensible temperature of the person in the room to be air-conditioned. Therefore, by performing air conditioning so that the temperature detected by the temperature sensor of the remote control switch becomes the set temperature, the air-conditioned room can be placed in an air-conditioned state in which the user feels comfortable.

In the air conditioner, the temperature of the conditioned air is controlled so that the temperature in the room to be air-conditioned detected by the temperature sensor becomes the set temperature, and when the air volume is automatically set, the air is blown from the air outlet. The airflow of the conditioned air is also controlled. For example, if the temperature difference between the set temperature and the temperature in the room to be air-conditioned is large, increase the air volume,
The temperature in the room to be air-conditioned should quickly approach the set temperature,
The air volume is reduced as the temperature in the room to be air-conditioned approaches the set temperature, so that the temperature change in the room to be air-conditioned becomes gentle.

[0005] Such an air conditioner is provided with upper and lower flaps at an outlet, and swings the upper and lower flaps to change the wind direction in the vertical direction. By the swing of the upper and lower flaps, the conditioned air is uniformly blown from the vicinity of the indoor unit to a position distant from the indoor unit.

Further, the air conditioner is provided with left and right flaps, and the direction of blowing the conditioned air can be changed in the horizontal direction by the left and right flaps.

[0007] Some air conditioners perform a swing for changing the direction of the left and right flaps by a driving means. By swinging the left and right flaps, air conditioning can be performed over a wide range along the horizontal direction.

However, by swinging the left and right flaps, the ventilation resistance from the cross flow fan to the outlet changes. That is, the left and right flaps are tilted to blow out the conditioned air in the lateral direction, not in front of the indoor unit, so that the left and right flaps serve as ventilation resistance of the conditioned air and are blown out from the outlet. The airflow of the conditioned air is reduced.

On the other hand, even if the left and right flaps are swung to air-condition a wide area in the room to be air-conditioned, if the air-conditioning air is blown from the air outlet at a substantially uniform air volume, the air-conditioning air is substantially separated from the indoor unit. The wind volume will be reduced. For this reason, it has always been difficult to keep a wide area in a comfortable air-conditioned state.

[0010]

SUMMARY OF THE INVENTION The present invention has been made in view of the above facts. When air-conditioning is performed while swinging a flap and changing the wind direction, comfortable air-conditioning can be performed in any given area. The purpose is to propose an air conditioner that gives a feeling.

[0011]

The invention according to claim 1 is
An air conditioner that air-conditions a room to be air-conditioned by blowing air-conditioning air toward a predetermined range along a horizontal direction by reciprocating a flap provided at an outlet of an indoor unit in a left-right direction, wherein Flap driving means for reciprocating the left and right flaps and fixing the same in a predetermined direction, a cross flow fan for generating conditioned air blown from the outlet, and a fan for driving the cross flow fan at a predetermined rotation speed A driving unit, an air volume setting unit for setting an air volume of the conditioned air blown from the outlet, and an air volume correction for correcting the air volume set by the air volume setting unit according to the direction of the left and right flaps by the flap driving unit. Means, the flap driving means or the fan driving means based on the air volume corrected by the air volume correcting means. Characterized in that it comprises a control means for controlling the movement, the.

According to the present invention, the air volume correction means corrects the air volume of the conditioned air according to the directions of the left and right flaps. Depending on the direction of the outlet, the area to be air-conditioned moves away from the indoor unit.

At this time, by correcting the air flow according to the direction of the conditioned air blown out from the outlet, the conditioned air having an appropriate air flow can be blown not only into the area near the indoor unit but also into the area distant from the indoor unit. And a wide area can be maintained in a comfortable air-conditioned state.

Further, the left and right flaps provided at the outlet serve as ventilation resistance of the conditioned air depending on the direction and reduce the amount of air blown out from the outlet, but the air flow is corrected according to the increase of the ventilation resistance depending on the direction of the left and right flaps. By doing so, it is possible to blow out the conditioned air having a substantially uniform air volume regardless of the direction of the conditioned air.

The invention according to claim 2 is characterized in that the air volume correction means corrects the rotation speed of the cross flow fan, and the control means activates the fan drive means according to the corrected rotation speed. I do.

According to the present invention, the rotation speed of the cross flow fan is corrected according to the directions of the left and right flaps. The amount of air blown out from the outlet can be accurately corrected by a simple control for correcting the rotation speed of the cross flow fan.

As a method of correcting the air volume, a method of changing the swing speed of the left and right flaps (the amount of change in the inclination of the left and right flaps per unit time) may be used only when the left and right flaps are swinging. .

The invention according to claim 3 is characterized in that the air volume correction means includes a storage means for storing a correction value preset according to the reciprocating position of the left and right flaps.

According to the present invention, the storage means for storing the correction value corresponding to the direction of the left and right flaps is provided. Thereby, the direction of the left and right flaps can be detected, or the air volume can be easily corrected based on the data for setting the directions of the left and right flaps.

Further, by storing a plurality of correction values in the storage means, it is possible to blow out an appropriate conditioned air according to the shape of the room to be air-conditioned to be air-conditioned.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below.

FIG. 2 shows a refrigeration cycle of an air conditioner (hereinafter referred to as "air conditioner 10") to which the present invention is applied. The air conditioner 10 includes an indoor unit 12 installed in a room to be air-conditioned and an outdoor unit 14 installed outside the room. The indoor unit 12 and the outdoor unit 14 have a thick refrigerant pipe 16A for circulating a refrigerant.
And a thin-tube refrigerant pipe 16B.

The indoor unit 12 is provided with a heat exchanger 18, and one end of each of refrigerant pipes 16A and 16B is connected to the heat exchanger 18. The other end of the refrigerant pipe 16A is connected to a valve 20A of the outdoor unit 14. This valve 20A has a muffler 22A
Is connected to the four-way valve 24 via the. This four-way valve 24
Is connected to the compressor 26 via the accumulator 28 and via the muffler 22B.

Further, the outdoor unit 14 is provided with a heat exchanger 30. One end of the heat exchanger 30 is connected to the four-way valve 24 and the other end is connected to the capillary tube 32.
Valve 20 via strainer 34 and modulator 38
B. An electric expansion valve 36 is provided between the strainer 34 and the modulator 38, and the other end of the refrigerant pipe 16B is connected to the valve 20B.
Thereby, a closed circulation path of the refrigerant forming a refrigeration cycle is formed between the indoor unit 12 and the outdoor unit 14.

The air conditioner 10 can perform a cooling operation or a heating operation by circulating the refrigerant in the refrigeration cycle by operating the compressor 26.

That is, in the cooling mode, the refrigerant compressed by the compressor 26 is liquefied by being supplied to the heat exchanger 30, and the liquefied refrigerant is vaporized by the heat exchanger 18 of the indoor unit 12. The air passing through the heat exchanger 18 is cooled. In the heating mode, on the contrary, the refrigerant compressed by the compressor 26 radiates heat by being condensed in the heat exchanger 18 of the indoor unit 12, and the air passing through the heat exchanger 18 by the heat radiated by the refrigerant. Heat.

In FIG. 2, the arrows indicate the heating operation (heating mode) and the cooling operation (cooling mode or dry mode).
The operation mode is switched between a cooling mode (including a dry mode) and a heating mode by switching the four-way valve 24, and the valve opening degree of the electric expansion valve 36 is controlled to evaporate the refrigerant. The temperature is adjusted. Note that the present invention can be applied to an air conditioner having an arbitrary configuration, and the air conditioner 10 shows one example.

As shown in FIG. 3, the indoor unit 12
The heat exchanger 18 is provided in a casing 42 in which an inlet 48 and an outlet 50 are formed. The casing 42 is fixed to a wall surface or the like of the room to be air-conditioned by the base plate 40.

In the casing 42, the heat exchanger 18
A cross flow fan 44 and a filter 46 are arranged between the suction port 48 and the suction port 48, and the air in the room is sucked into the casing 42 by the operation of the cross flow fan 44,
After passing through the filter 46 and the heat exchanger 18, the air is blown into the room from the air outlet 50. At this time, the casing 4
2 is passed through the heat exchanger 18, heat exchange is performed with the refrigerant circulated in the heat exchanger 18, and the temperature-controlled air (air-conditioned air) for air-conditioning the room. ).

The outlet 50 of the indoor unit 12 is provided with upper and lower flaps 54 together with left and right flaps 52.
The direction of the conditioned air blown out from the outlet 50 can be changed. That is, the conditioned air blown out from the outlet 50 is
The light is deflected in the vertical direction by the upper and lower flaps 54 and is deflected in the horizontal direction (horizontal direction) by the left and right flaps 52.
In the air conditioner 10, by controlling the directions of the left and right flaps 52 and the upper and lower flaps 54, the conditioned air can be blown from the outlet 50 in an arbitrary direction.

As shown in FIG. 4, the indoor unit 12
Is provided with a power supply board 56, a control board 58, and a power relay board 60. On a power supply board 56 to which electric power for operating the air conditioner 10 is supplied, a motor power supply 62, a control circuit power supply 64, a serial power supply 66, and a drive circuit 68 are provided. The control board 58 is provided with a serial circuit 70, a drive circuit 72, and a microcomputer 74.

The drive circuit 68 of the power supply board 56 is connected to a fan motor 76 (for example, a DC brushless motor) for driving the cross flow fan 44, and receives a control signal from a microcomputer 74 provided on the control board 58. Drive power is supplied from the motor power supply 62 accordingly. At this time, the microcomputer 74 controls so that the output voltage from the drive circuit 68 is changed in a range of 12 V to 36 V in 256 steps. Thus, the amount of the conditioned air blown out from the outlet 50 of the indoor unit 12 is adjusted.

The drive circuit 72 of the control board 58 is connected to a power relay board 60, a left and right flap motor 77 for operating the left and right flaps 52, and an upper and lower flap motor 78 for operating the upper and lower flaps 54. The power relay board 60 is provided with a power relay 80, a temperature fuse, and the like. The power relay 80 is operated by a signal from the microcomputer 74 to open and close a contact 80A for supplying power to the outdoor unit 14. Air conditioner 1
0 indicates that power can be supplied to the outdoor unit 14 by closing the contact 80A.

The left and right flap motors 77 and 78 are controlled in accordance with control signals from the microcomputer 74 to operate the left and right flaps 52 and the upper and lower flaps 54, respectively.

In the air conditioner 10, the left and right flap motors 7
By the operation of 7, the left and right flaps 52 are reciprocated (left and right swing) in the left and right direction (horizontal direction) toward the indoor unit 12. Thereby, the blowing direction of the conditioned air blown out from the blowing port 50 is deflected in the horizontal direction. In the air conditioner 10, the upper and lower flap motors 78
The upper and lower flaps 54 are moved up and down (up and down swing) by this operation, whereby the conditioned air blown out from the outlet 50 is deflected in the up and down direction. Left and right flaps 5
The second and upper and lower flaps 54 can be fixed at any positions within the reciprocating movement range, so that conditioned air can be blown toward a desired area.

Note that, as shown in FIG.
At 0, the left and right flaps 52 are normally controlled so that the wind direction changes within a range of an angle θ ₀ (total angle 2θ ₀ ) in the left-right direction around the front of the indoor unit 12. Also,
In the air conditioner 10, the angle 2θ ₀ is set to be wider, for example, from 100 ° to 120 °, compared to the range of about 90 ° in the past.

In the indoor unit 12 of the air conditioner 10, by controlling the rotation of the cross flow fan 44 and the operations of the left and right flaps 52 and the upper and lower flaps 54, the air flow is controlled to a desired air volume and direction or to make the room comfortable. The air conditioned by the air volume and direction is blown into the room.

As shown in FIG. 4, a serial circuit 70 connected to the microcomputer 74 and the serial power supply 66 of the power supply circuit 56 is connected to the outdoor unit 14,
The microcomputer 74 performs serial communication with the outdoor unit 14 via the serial circuit 70, and controls the operation of the outdoor unit 14.

The indoor unit 12 is provided with a display circuit 82 having a receiving circuit for receiving an operation signal from the remote control switch 120 (see FIG. 1), a display LED for operation display, and the like. The board 82 is the microcomputer 7
4 is connected. As shown in FIG. 1, a display section 82A of the display board 82 is disposed on the front surface of the casing 42, and the display section 82A includes a remote control switch 120
A receiving unit for receiving an operation signal transmitted from the control unit. Thereby, the remote control switch 120 is set to the display unit 8.
By operating toward 2A, the remote control switch 1
An operation signal from 20 is input to the microcomputer 74.

As shown in FIG. 4, the microcomputer 74 includes a room temperature sensor 84 for detecting the room temperature and the heat exchanger 1.
8, a heat exchange temperature sensor 86 for detecting the coil temperature is connected, and further, a service LED provided on the control board 58 and an operation changeover switch 88 are connected. The operation changeover switch 88 switches between “normal operation” and “test operation” performed at the time of maintenance or the like, and “stop” that opens the contact of the power switch 88A and shuts off supply of operation power to the air conditioner 10. Can be Normally, the operation changeover switch 88 is set to "normal operation" and the contact of the power switch 88A is closed. The service LED is turned on during maintenance,
The service person is notified of the self-diagnosis result.

The indoor unit 12 includes an outdoor unit 14
A terminal block 90 is provided to which wiring is connected. Terminals 90A, 90B, 90 of this terminal block 90
To C, wiring for power supply from the indoor unit 12 to the outdoor unit 14 and wiring for performing serial communication between the indoor unit 12 and the outdoor unit 14 are connected.

As shown in FIG. 5, the outdoor unit 14
Is provided with a terminal block 92, and terminals 92A, 92B, 92C of the terminal block 92 are connected to terminals 90A, 90B, 9 of the terminal block 90 of the indoor unit 12, respectively.
0C.

The outdoor unit 14 includes a rectifying board 9
4. A control board 96 is provided. The control board 96 includes a microcomputer 98 and a noise filter 10.
0A, 100B, and 100C, a serial circuit 102, a switching power supply 104, and the like are provided.

The rectifying board 94 includes a noise filter 100
The power supplied via A is double-voltage rectified, and the smoothed DC power is output to the switching power supply 104 via the noise filters 100B and 100C. The switching power supply 104 is connected to an inverter circuit 106 together with the microcomputer 98, and the inverter circuit 106 is connected to a compressor motor 108. Inverter circuit 1
Reference numeral 06 outputs electric power having a frequency corresponding to the control signal output from the microcomputer 98 to the compressor motor 108, and drives the compressor 26 to rotate.

The microcomputer 98 is connected to the inverter circuit 1
The frequency of the power output from 06 is off or 14Hz
The control is performed so as to be in the range described above (the upper limit is determined by the upper limit of the operating current).
08, that is, the rotation speed of the compressor 26 is changed,
The operating capacity of the compressor 26 (the cooling / heating capacity of the air conditioner 10) is controlled.

The control board 96 includes a four-way valve 2
4 and a fan motor 110 for driving a blower fan (not shown) for cooling the heat exchanger 30 and a fan motor condenser 110A. The outdoor unit 14 has an outside air temperature sensor 11 for detecting an outside air temperature.
2. A coil temperature sensor 114 for detecting the temperature of the refrigerant coil of the heat exchanger 30 and a compressor temperature sensor 116 for detecting the temperature of the compressor 26 are provided, and these are connected to the microcomputer 98.

The microcomputer 98 switches the four-way valve 24 in accordance with the operation mode, controls the control signal from the indoor unit 12, the outside air temperature sensor 112, and the coil temperature sensor 11.
4, and controls the on / off of the fan motor 110, the operating frequency of the compressor motor 108 (the capacity of the compressor 26), and the like based on the detection results of the compressor temperature sensor 116 and the compressor temperature sensor 116.

A motor 118 for driving the electric expansion valve 36 to open and close is connected to the control board 96. The microcomputer 98 controls the opening of the electric expansion valve 36 by the motor 118.

The air conditioner 10 thus configured
Is controlled in response to a signal from a remote control switch. The remote control switch includes a remote control switch 120 for operating the air conditioner 10 (hereinafter, referred to as “main remote control 120”), and a remote control sensor switch 140 for changing the air conditioning area (hereinafter, “sub remote control 140”). ) Can be used.

FIGS. 6A and 6B show the main remote controller 120. The main remote controller 120 is provided with a display unit 122. This display unit 122
Displays the operating conditions, operating conditions, etc., when operating the air conditioner 10, such as the wind direction and air volume, in addition to the operating mode, set temperature, room temperature (room temperature), and time.

Further, the main remote controller 120
Stop button 124, temperature setting buttons 126A, 126B
In addition, a sensation button 128 and a wind direction button 130 are provided. The air conditioner 10 has a run / stop button 124
Is operated / stopped by the operation of. The set temperature (target temperature for air conditioning) can be changed by operating the temperature setting buttons 126A and 126B.

The main remote controller 120 is provided with a temperature sensor (not shown) therein. The main remote controller 120 measures the room temperature around the main remote controller 120 and sends it to the indoor unit 12. . Further, a temperature sensor is also provided in a sub remote controller 140 described later, and the room temperature around the sub remote controller 140 is measured and transmitted to the indoor unit 12. That is, the air conditioner 10 can detect the indoor temperature by the room temperature sensor 84, the main remote controller 120, and the sub remote controller 140 provided in the indoor unit 12.

The bodily sensation button 128 is used to switch a temperature sensor for measuring room temperature.
By operating the air conditioner 10, the air conditioner 10 operates in the normal mode in which the room temperature is measured using the room temperature sensor 84 of the indoor unit 12, and the main remote controller 12 in addition to the room temperature sensor 84.
0 (normal sensation mode) or the sensation mode of measuring the room temperature using the main remote controller 120 and the sub remote controller 140 (multiple sensation mode).

By operating the wind direction button 130,
The direction (wind direction) of the air blown out from the outlet 50 is deflected in the left-right direction based on a signal from the sub remote controller 140.

The main remote controller 120 is provided with a slide cover 134.
By the slide operation, the operation panel 132 having various operation buttons is exposed.

As shown in FIG. 6A, the operation mode of the air conditioner 10 is set to automatic, heating, dry, cooling, air purifying, or the like by the operation switching button 136 of the operation panel 132 hidden in the slide cover 134. The order is switched to drying. Further, by operating a switch in the operation panel 132, it is possible to switch the amount of air blown from the outlet 50 and the wind direction (vertical direction), and it is possible to select the air conditioning capacity such as high power and capacity saving. Further, the operation start time is determined by a switch operation on the operation panel 132,
Timer setting such as operation stop time is possible.

The main remote controller 120 sends an operation signal corresponding to the operation content to the display section 82A of the indoor unit 12 every time each operation button is operated, and also detects a main remote controller detected by a temperature sensor (not shown). Send out the temperature around 120. Air conditioner 1
During the operation of 0, the temperature measured by the temperature sensor is transmitted at regular time intervals regardless of the operation of the operation button of the main remote controller 120.

On the other hand, FIGS. 7, 8A and 8B schematically show the sub remote controller 140. FIG. As shown in FIG. 7, the sub remote controller 140 detects a temperature around the sub remote controller 140 and outputs a signal (for example, a voltage) according to the detected temperature together with a temperature detection unit 142.
A human detection unit 144 and a position setting switch 146 are provided, each of which is connected to the conversion unit 148. Also,
The conversion unit 148 is connected to the communication unit 150.

The human detection section 144 is provided with a human detection sensor 152 having a pyroelectric element for detecting far infrared rays collected by the Fresnel lens. 8 (A) and 8
As shown in (B), the Fresnel lens forms a hemispherical dome cover 154, and the human detection sensor 15
2 is disposed in a dome cover 154 provided at the center of the sub remote controller 140, and the dome cover 1
The surrounding far-infrared ray that has passed through 54 is detected.

As shown in FIG. 7, the human detection sensor 152 is connected to a detection circuit 156. The human detection unit 144 determines whether there is a change in the far infrared ray detected by the detection circuit
This is a general human detection configuration for detecting the presence or absence of a person around 0.

The detection circuit 156 includes the sensitivity adjuster 1
58 are connected. As shown in FIG.
The sub-remote controller 140 is provided with an adjustment knob 158A for the sensitivity adjuster 158, and this adjustment knob 158A
Thereby, the sensitivity of the human detection sensor 152, that is, the detection distance can be adjusted (for example, adjusted in a range of 0 m to about 5 m).

As shown in FIGS. 8A and 8B, the sub remote controller 140 has a slide cover 140A.
When the slide cover 140A is slid downward, the position setting switch 14
6 is released. The above-described adjustment knob 158A is also hidden by the slide cover 140A.

As shown in FIG. 8B, the position setting switch 146 sets the operation knob 146A to “right” in accordance with the position of the indoor unit 12 with respect to the sub remote controller 140.
The slide operation is performed to three display positions of "center" and "left". As shown in FIG. 9, for example, when the relative position of the indoor unit 12 is on the right side toward the sub remote controller 140, the operation knob 146A of the position setting switch 146 is slid to the “right”.

The conversion unit 148 converts input signals from the temperature detection unit 142, the human detection unit 144, and the position setting switch 146 based on a preset code, and outputs the signals to the communication unit 150.

Communication unit 150 sends the signal output from conversion unit 148 to indoor unit 12. Also,
As shown in FIGS. 8A and 8B, the sub remote controller 140 is provided with a power switch 160 for turning on / off the sub remote controller 140. Communication unit 150
Is operated by turning on the power switch 160.
An ON signal is transmitted, and a signal is transmitted according to inputs from the temperature detection unit 142, the human detection unit 144, and the position setting switch 146.

That is, when the power switch 160 is turned on, the sub remote controller 140 measures the room temperature by the temperature detecting section 142 and detects the presence or absence of a person by the human detecting section 144. During the detection, a position signal set by the position setting switch 146 is transmitted together with the room temperature measured at regular time intervals.

As shown in FIG. 10, the indoor unit 12 of the air conditioner 10 is mounted in the room to be air-conditioned 162 such that an area to be air-conditioned (hereinafter, referred to as a “main area 162A”) faces the front. Alternatively, the directions of the left and right flaps 52 are set such that the conditioned air is blown from the outlet 50 of the indoor unit 12 toward the main area 162A. Thereby, the air conditioner 10 performs air conditioning so that the main area 162A is in a desired air conditioning state.

On the other hand, the sub remote controller 140
62, an area different from the main area 162A and where air conditioning is to be performed as necessary (hereinafter referred to as “sub area 162A”).
B ").

The microcomputer 74 of the indoor unit 12
When the wind direction is set to “automatic” by operating the wind direction button 130 of the main remote controller 120, the sub remote controller 140 provided in the sub area 162B
The position of the sub remote controller 140 is determined based on the signal from the controller, the initial position of the left and right flaps 52 is changed based on the determination result, and the left and right flaps 52 are swung about the initial position. This allows the indoor unit 12 to air-condition the sub area 162B together with the main area 162A.

The microcomputer 74 of the indoor unit 12
When the signal indicating that a person has been detected from the sub remote controller 140 is stopped, the initial position of the left and right flaps 52 is returned, and the swing of the left and right flaps 52 is stopped, so that only the main area 162A is air-conditioned. When the signal indicating the detection of the person is input again, the change of the initial position and the swing of the left and right flaps 52 are started.

As shown in FIG. 9, the air conditioner 10
Normally, the direction of the conditioned air blown out by the left and right flaps 52 is such that the front of the indoor unit 12 is at the initial position (hereinafter, referred to as “initial position C”). Swing left and right within the range of angle θ ₀ (for example, 50
° swing). One end of the swingable range of the left and right flaps 52 is the original position O, and the position and swing range of the left and right flaps 52 are set based on the original position O. Also, the initial position C
Is the angle θ between the left and right flaps 52 with respect to the original position O.
_C.

In the indoor unit 12, normally, when the wind direction is set at the initial position C and the swing of the left and right flaps 52 is set, the swing is performed around the initial position C. Also, the microcomputer 74 of the indoor unit 12
Is a state where the position setting switch 146 of the sub remote controller 140 is set to “center”.
Is turned on, a swing is performed around the initial position C.

On the other hand, in the indoor unit 12, the position setting switch 146 of the sub remote controller 140 is set to "left" or "right".
, The initial position of the left and right flaps 52 is set to the initial position R or the initial position L. Also, depending on the initial position, the left and right flaps 5
The swing range of No. 2 is changed.

That is, when the position setting switch 146 of the sub remote controller 140 is set to “left”, the left and right flaps 52 are shifted to the initial position R (the angle θ _R from the original position O).
Is set to “right”, the initial position L (the angle θ _L from the original position O) is set. At the same time, in the indoor unit 12, the respective initial positions R, L
The left and right flaps 52 swing right and left within a range of an angle θ ₁ (for example, about 30 °).

In the air conditioner 10, when the swing or the direction of the wind is changed by the left and right flaps 52, the air volume is corrected in accordance with the directions of the left and right flaps 52. The correction of the air volume is performed by the left and right flaps 5
2 Change of swing speed or cross flow fan 44
The rotation speed of the cross flow fan 44 can be changed. However, in the following, a description will be given mainly of an example in which the rotation speed of the cross flow fan 44 is changed (corrected).

FIG. 11 is a functional block diagram for correcting the rotation speed of the cross flow fan 44 according to the swing of the left and right flaps 52.

The control board 58 includes a microcomputer 74
The air volume setting unit 164 and the wind direction setting unit 166 are configured by the above-described method. The wind direction setting unit 166 sets the initial position and the swing range of the left and right flaps 52 based on the setting operation of the main remote controller 120 and the setting signal of the position setting switch 146 from the sub remote controller 140. A flap motor driving unit 168 formed by a driver (not shown) drives the left and right flap motors 77 based on the result of the setting. The left and right flaps 52 are fixed at the position of the angle θ set by the wind direction setting unit 166 by driving the left and right flap motor 77, and the angle θ set by the wind direction setting unit 166 changes according to the time result. As a result, it moves and swings in accordance with this change.

On the other hand, in the air conditioner 10, the rotation speed of the cross flow fan 44 is changed to three stages of H, M and L by operating the main remote controller 120. Indoor unit 12
A conditioned air having a flow rate corresponding to the number of rotations of the cross flow fan 44 is blown from the outlet 50 of the air conditioner. Further, in the air conditioner 10, when the air volume is automatically set by operating the main remote controller 120, the rotation speed of the cross flow fan 44 is set based on the room temperature and the set temperature. Thereby, the conditioned air having an air volume according to the indoor air-conditioning state is blown out from the outlet 50 of the indoor unit 12.

In the air volume setting section 164, the drive steps of the fan motor 76 are set so that the cross flow fan 44 has a selected air volume or a rotation speed at which the set air volume can be obtained.

The control board 58 is provided with an air volume correction unit 170, and a signal corresponding to the drive step of the fan motor 76 set by the air volume setting unit 164 passes through the air volume correction unit 170 to the drive circuit 68. Is output to the fan motor drive unit 172 formed by the A correction value storage unit 174 stores a correction value of a drive step of the fan motor 76 in accordance with the position (angle θ) of the left and right flaps 52 set by the wind direction setting unit 166 and the angle θ. Is connected.

In the air volume correction unit 170, the wind direction setting unit 166
A correction value corresponding to the angle θ of the left and right flaps 52 input from the controller is read from the correction value storage unit 174, and the air volume setting unit 16
The drive step of the fan motor 76 set in step 4 is corrected. The fan motor drive unit 172 includes an air volume correction unit 170
The fan motor 76 is driven in accordance with the drive step corrected in step (1). Thereby, the cross flow fan 44
The rotation is set by the air volume setting unit 164 according to the air volume, and is driven to rotate at a rotational speed corrected according to the direction of the left and right flaps 52.

For example, in the air conditioner 10, the drive step of the fan motor 76 is set to 256 steps, and the air volume setting section 164 selects the number of steps according to the air volume.
In addition, the fan motor driving unit 172 outputs a voltage (for example, a voltage in a range of 12 V to 36 V) according to the input number of steps, so that the fan motor 76 is driven to rotate at a rotation speed corresponding to the voltage. .

As shown in FIG. 4, the indoor unit 12
A memory 176 using an EEPROM or the like is provided as a correction value storage unit 174 on the control board 58. The memory 176 stores the angle θ of the left and right flaps 52.
Is written and stored.

As shown in FIG. 12B, the correction value stored in the memory 176 is such that, for example, the angle θ of the left and right flaps 52 is smaller than the angle θ _{C of the} initial position C (the original position O side). , θ <θ _C) or larger than the angle theta _C initial position C (situ O opposite, theta> is adapted to increase the rotational speed of the cross flow fan 44 according theta _C) .

Thus, as shown in FIG. 12 (A), the air volume changes according to the direction of the conditioned air blown from the outlet 50 of the indoor unit 12. That is, as compared with the amount of the blown air blown toward the front of the indoor unit 12 (the initial position C), the amount of the blown air gradually increases as the direction of the blown wind is directed to the original position O side or the opposite side to the original position O. Is done. In FIG. 12A, the direction of the arrow indicates the wind direction, and the length of the arrow indicates the change in the air volume.

The operation of the present embodiment will be described below. In the air conditioner 10, when the operation / stop operation is performed in a state set to one of the cooling operation, the dry operation, the heating operation, and the like by the switch operation of the main remote controller 120, the operation in the set operation mode is started.

When the air conditioner 10 is operated and starts the air conditioning operation, the set temperature and the room temperature are measured, and based on the measurement results, the operating frequency of the compressor 26, the air volume (the number of rotations of the cross flow fan) and the like are determined. The air conditioning operation is performed based on the setting result. In the outdoor unit 14, the four-way valve 24 is switched according to the set operation mode.

For example, when the air conditioner 10 is set to the cooling or dry mode, the refrigerant compressed by the compressor 26 is supplied to the heat exchanger 18 of the indoor unit 12 via the heat exchanger 30 of the outdoor unit 14. . The refrigerant supplied to the heat exchanger 18 of the indoor unit 12 evaporates when passing through the heat exchanger 18 and cools the air passing through the heat exchanger 18. Thereby, the indoor unit 12
The air cooled by the heat exchanger 18 is blown out from the outlet 50 as air-conditioned air to cool or dehumidify the inside of the air-conditioned room 162.

On the other hand, when the air conditioner 10 is set to the heating mode, the high-pressure refrigerant compressed by the compressor 26 is supplied to the heat exchanger 18 of the indoor unit 12. Thereby, the air passing through the heat exchanger 18 of the indoor unit 12 is heated. The air heated by the heat exchanger 18 is blown into the room from the outlet 50 to heat the inside of the air-conditioned room 162.

In the air conditioner 10, normally, the conditioned air is blown toward the main area 162A.
When the sub remote controller 140 is turned on and the setting state of the position setting switch 146 is input from the sub remote controller 140 in a state where the wind direction by the second remote controller 2 is set to automatic, the left and right flaps 52 are Is changed, and the left and right flaps 52 are swung within a predetermined range around the changed initial position. Thus, air conditioning is performed in the sub area 162B in the vicinity where the sub remote controller 140 is mounted together with the main area 162A.

In the indoor unit 12, when the left and right flaps 52 are swung to change the blowing direction of the conditioned air blown out from the outlet 50, the indoor unit 12 crosses in accordance with the position of the left and right flaps 52 (the angle θ with respect to the original position O). The rotation speed of the flow fan 44 is corrected.

The flowchart of FIG. 13 shows an example of correction of the rotation speed of the cross flow fan 44.

In this flowchart, in the first step 200, it is confirmed whether or not the correction of the rotation speed of the cross flow fan 44, that is, whether or not to perform the correction in accordance with the wind direction of the air volume blown out from the outlet 50 of the indoor unit 12. Do. Here, for example, when the wind direction by the left and right flaps 52 is automatically set and the left and right flaps 52 swing to perform air conditioning of the main area 162A and the sub area 162B based on a signal transmitted from the sub remote controller 140, The process proceeds to step 202 in order to correct the rotation speed of the cross flow fan 44 according to the angle θ of the flap 52 (Yes in step 200). on the other hand,
In the air conditioner 10, when the wind direction is set to be automatic and the swing by the left and right flaps 52 is performed, the wind direction setting section 16
6 (the microcomputer 74) changes the setting of the angle θ according to the passage of time. By driving the left and right flap motors 77 according to the change of the angle θ, the left and right flaps 52 reciprocate (swing) within a predetermined range.

In the air conditioner 10, when the air volume selected by the operation of the main remote controller 120 or the air volume is automatically set, the air volume to be blown from the outlet 50 is set according to the room temperature and the set temperature. Do. The air volume setting unit 164 sets a drive step of the fan motor 76 according to the selected air volume or the set air volume.

[0095] In the flowchart shown in FIG. 13, first, reads the driving step X ₀ of the fan motor 76 set by the air amount setting unit 164 in step 202. At the same time, in step 204, the angle θ of the left and right flaps 52 set by the wind direction setting unit 166 is read, and in the next step 206, the correction value x for the read angle θ of the left and right flaps 52 is read from the memory 176.

Thereafter, at step 208, the air volume setting unit
Drive step X set in 164 ₀Left and right flap 5
2 is corrected according to the angle θ, and the corrected driving step X is
Set.

The signal corresponding to the driving step X corrected according to the angle θ of the left and right flaps 52 is
Output to fan motor drive section 172. The fan motor driving section 172 drives the fan motor 76 according to the corrected driving step X. As a result, as the inclination of the left and right flaps 52 with respect to the initial position C facing the front of the indoor unit 12 increases, the rotation speed of the cross flow fan 44 increases, and from the outlet 50 in accordance with the increase in the rotation speed. The amount of the conditioned air that is blown out is also increased.

Generally, the casing 4 of the indoor unit 12
The air-conditioning air passage formed in the inner flap 2 includes upper and lower flaps 54 and left and right flaps 5 arranged near the outlet 50.
2, especially the inclination of the left and right flaps 52. For example, when the direction of the left and right flaps 52 is close to the initial position C, the air path resistance near the outlet 50 is low, but the direction of the left and right flaps 52 is the original position O side or the original position O.
The left and right flaps 52 become resistance as they are directed to the opposite side, and reduce the air volume.

On the other hand, in the air conditioner 10, since the rotation speed of the cross flow fan 44 is corrected to increase according to the angle θ of the left and right flaps 52, the ventilation resistance increases due to the inclination of the left and right flaps 52. Also, the amount of the conditioned air blown out from the outlet 50 is not reduced.

When the left and right flaps 52 are separated from the front of the indoor unit 12 along the wall surface on which the indoor unit 12 is mounted (the angle of the left and right flaps 52 is close to the original position O or the direction opposite to the original position O). In many cases, the area to be air-conditioned is located far from the indoor unit 12. At this time, if the air-conditioning air volume is the same, the air-conditioning air volume at a position distant from the indoor unit 12 decreases, and a desired air-conditioning capacity cannot be obtained.

On the other hand, FIG. 12A and FIG.
As shown in (B), the angle θ of the left and right flaps 52
By setting the correction value x so that the amount of the conditioned air blown out from the outlet 50 increases in accordance with (the blowing direction of the conditioned air), a region in which a comfortable air-conditioning state is achieved can be expanded.

In this embodiment, the left and right flaps 5
2 swings, the angle θ of the left and right flaps 52
However, when the left and right flaps 52 are fixed in an arbitrary direction, the air flow may be corrected according to the angle of the left and right flaps 52. by this,
By changing the direction in which the conditioned air is blown out from the outlet 50, it is possible to prevent the air conditioning performance from being reduced.

The correction value according to the angle θ of the left and right flaps 52 is determined by writing a plurality of patterns in the memory 176 and selecting the correction value according to the shape of the air-conditioned room 162 or the like.
It is more preferable that a desired pattern corresponding to the shape and the like of the air-conditioned room 172 can be written in the memory 176.

For example, as shown in FIG.
It can be assumed that the air-conditioned room 162 is substantially L-shaped, and the sub-area 162B is farther away from the indoor unit 12 than the main area 162A. In this case, FIG.
As shown in FIG. 12B, the correction value according to the angle θ of the left and right flaps 52 is made larger (even larger than the correction value shown in FIG. 12B).

As a result, the air-conditioned air flows into the sub area 162
When the air is blown toward B, the air volume increases greatly. Therefore, even if the sub area 162B is far from the indoor unit 12, the main area 162A is close to the indoor unit 12.
The air-conditioning state can be made substantially equivalent to the above.

In this embodiment, the left and right flaps 5
As a method of increasing the amount of air-conditioning air when swinging 2, the rotation speed of the cross flow fan 44 is increased. However, the present invention is not limited to this, and the swing speed of the left and right flaps 52 may be changed. That is, the left and right flaps 5
By changing the swing speed of No. 2, the air volume also changes.

From this, in the vicinity of the initial position C,
The swing speed of the left and right flaps 52 when the left and right flaps 52 are greatly inclined is made slower than the swing speed of the left and right flaps 52 (the amount of change in the inclination per unit time).
As a result, the balance of the amount of air blown from the outlet 50 can be changed, and a wide area can be maintained in a substantially constant air-conditioning state.

The embodiments described above do not limit the configuration of the present invention. INDUSTRIAL APPLICATION This invention is applicable to the air conditioner of an arbitrary structure which air-conditions the air-conditioned room in which an indoor unit is provided.

[0109]

As described above, according to the present invention, the air volume of the conditioned air is corrected according to the direction of the left and right flaps, so that the air is blown at an appropriate air volume irrespective of the blowing direction of the conditioned air. Can be. Further, in the present invention, since the correction value of the air flow according to the blowing direction of the conditioned air is stored in the storage means, the correction of the air flow can be performed according to the shape of the room to be air-conditioned. An excellent effect of being able to be in an air-conditioned state is obtained.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing an indoor unit and a remote control switch applied to the present embodiment.

FIG. 2 is a schematic diagram showing a refrigeration cycle of an air conditioner applied to the present embodiment.

FIG. 3 is a schematic sectional view showing the inside of the indoor unit.

FIG. 4 is a schematic block diagram illustrating a configuration of a substrate in the indoor unit.

FIG. 5 is a schematic block diagram showing a configuration of a ban on an outdoor unit.

FIGS. 6A and 6B are schematic plan views each showing a main remote controller, where FIG. 6A shows a state where a slide cover is opened, and FIG. 6B shows a state where the slide cover is closed. .

FIG. 7 is a block diagram showing a schematic configuration of a sub remote controller according to the present invention.

8A and 8B are schematic plan views each showing a sub remote controller according to the present invention, wherein FIG. 8A shows a state where a slide cover is opened, and FIG. 8B shows a state where the slide cover is closed. Is shown.

FIG. 9 is a schematic diagram showing a swing area of left and right flaps of an indoor unit with respect to a position designated by a sub remote controller.

FIG. 10 is a schematic diagram showing a region in which air-conditioning air is blown from an indoor unit, and shows a state where both a main area and a sub-area are air-conditioned.

FIG. 11 is a functional block diagram illustrating an example of correction of an air volume.

12A is a schematic diagram illustrating a change in a change in the amount of air blown from an outlet, and FIG. 12B is a diagram illustrating an example of a correction value according to an angle of a left and right flap.

FIG. 13 is a flowchart showing an outline of correction of an air volume.

FIG. 14A is a schematic diagram illustrating another example of a change in the amount of air blown from an outlet, and FIG. 14B is a diagram illustrating another example of a correction value according to the angle of the left and right flaps.

[Explanation of symbols]

Reference Signs List 10 air conditioner (air conditioner) 12 indoor unit 14 outdoor unit 18 heat exchanger 26 compressor 44 cross flow fan 50 outlet 52 left and right flap 54 upper and lower flap 58 control board (control means) 68 drive circuit 74 microcomputer (control means, air volume setting) Means, air flow correction means) 77 left and right flap motors (fan drive means) 120 main remote control 140 sub remote control 162 air-conditioned room 162A main area 162B sub area 164 air flow setting section (air flow setting section) 166 wind direction setting section 168 flap motor driving section (Flap driving unit) 170 Air volume correction unit (Air volume correction unit) 172 Fan motor driving unit 174 Correction value storage unit (Storage unit) 176 Memory (Storage unit)

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Koichi Aoishi 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Yen Ochiai 2-5-2, Keihanhondori, Moriguchi-shi, Osaka No. 5 Sanyo Electric Co., Ltd. (72) Michihisa Kurita 2-5-5 Keihan Hondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd.

Claims (3)

[Claims] An air conditioner for air-conditioning a room to be air-conditioned by blowing air-conditioning air toward a predetermined range along a horizontal direction by reciprocating a flap provided at an outlet of an indoor unit in a left-right direction. Flap driving means for reciprocating the left and right flaps and fixing the same in a predetermined direction; a cross flow fan for generating conditioned air blown out from the outlet; and a predetermined rotation of the cross flow fan. Fan driving means driven by a number, air flow rate setting means for setting the air flow rate of the conditioned air blown from the outlet, and the air flow rate set by the air flow rate setting means according to the direction of the left and right flaps by the flap driving means. Means for correcting the air flow, and the flap driving means or the An air conditioner comprising: control means for controlling operation of a fan driving means. 2. The apparatus according to claim 1, wherein the air volume correction unit corrects a rotation speed of the cross flow fan, and the control unit operates the fan drive unit according to the corrected rotation speed. Air conditioner. 3. The air volume correction means includes a storage means for storing a correction value set in advance in accordance with the reciprocating position of the left and right flaps.
The air conditioner according to item 1.