JPH05322299A - Air direction changing device - Google Patents

Abstract

PURPOSE:To provide an air direction changing device in which an oscillation angle of an air direction plate is set in proportion to an rotational angle of a driving motor. CONSTITUTION:In an air direction changing device 21 comprising an air direction changing plate 28, a driving motor 22 and a connection member 27, the connecting member 27 is formed with an adjusting part 26 for setting an oscillating angle of the air direction changing plate 28 in response to a size of the rotational angle of the rotary shaft 23 of the motor 22. Accordingly, as the rotary shaft 23 is rotated by every predetermined angle or the rotary shaft is rotated at a specified speed, the air directional changing plate 28 can be oscillated by every predetermined angle or the air direction changing plate 28 can be oscillated at a specified speed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wind direction changing device attached to a decorative panel of an air conditioner.

[0002]

2. Description of the Related Art A wind direction changing device attached to a decorative panel or the like of an air conditioner is disclosed in, for example, Japanese Patent Laid-Open No. 63-306333, and the device disclosed in this publication is installed in an air outlet. A wind direction changing plate which is arranged to perform a swinging motion, a motor for driving the wind direction plate, a crank attached to the rotating shaft of the motor, and an operating groove into which the shaft of the crank is inserted. And a connecting member for converting the rotational movement of the shaft into the swinging movement.

[0003]

In the wind direction changing device, since the operating groove of the connecting member is formed in a straight line,
When the rotating shaft of the motor is moved by a predetermined angle, the crank shaft inserted into the operating groove moves in a direction substantially along the operating groove and the crank shaft moves in a direction crossing the operating groove. Since the angle of swing of the wind direction changing plate is different, it was not possible to swing the wind direction changing plate by a predetermined angle by moving the rotating shaft of the motor by a predetermined angle. Further, when the rotating shaft of the motor is rotated at a constant speed, the wind direction changing plate can be swung at a high speed and at a slow speed. Therefore, the wind direction changing plate cannot be swung at a constant speed.

The present invention provides a wind direction changing device in which the swing angle of the wind direction changing plate is set in proportion to the rotation angle of the drive motor.

[0005]

SUMMARY OF THE INVENTION According to the present invention, a wind direction changing plate disposed at an air outlet and performing a swinging motion, a drive motor for the wind direction changing plate, and a rotary motion of a rotary shaft of the motor are described above. In a wind direction changing device including a connecting member that converts the swing direction of the wind direction changing plate, the connecting member has a swing angle of the wind direction changing plate according to a rotation angle of a rotation shaft of the drive motor. The adjustment section for setting is formed.

[0006]

In this wind direction changing device, the connecting member is provided with the adjusting portion for setting the swing angle of the wind direction changing plate according to the size of the rotation angle of the rotating shaft of the drive motor. When is rotated by a predetermined angle, the wind direction changing plate is swung in proportion to this rotation angle.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 5, reference numeral 1 denotes an air conditioner installed on a ceiling, which is a main body 2 embedded in the ceiling and the main body 2
It is composed of a mounting plate (hereinafter referred to as a panel) 3 mounted on the. This main body 2 is inserted through the opening 4 in the ceiling,
The lower part is attached to the ceiling so that it can be seen from the opening 4. 5 is a frame-shaped drain pan having long sides 6 and short sides 7, 8 is a heat exchanger obliquely arranged on the long side 6 of the drain pan, and 9 and 10 are long sides 6 of the drain pan 5.
A discharge port 11 is provided on the side, and a suction port 11 is surrounded by the drain pan 5. Then, the indoor air is sucked in through the suction port 11 and the temperature is adjusted by the heat exchanger 8, and then the two discharge ports 9, 1
You can start blowing from 0 at the same time. Reference numeral 12 is an electrical equipment box, 13 is a mounting plate, and 14 is a fixture provided on the lower surfaces of the electrical equipment box 12 and the mounting plate 13. Then, the panel 3 is attached to the fixture 14. In the panel 3, 15 is a suction grill, which is attached to the central opening of the panel 3 and is connected to the suction port 11 of the main body 2. 12 and 13 are discharge parts provided on both sides of the suction grill 15, which are recessed from the position of the suction grill 15.
Air outlets 16 and 17 are formed on the recessed surfaces, respectively. The outlets 16 and 17 are the outlets 9 of the main body 2,
Connected with 10. Reference numerals 18 and 19 denote a display unit and a receiving unit arranged between the one discharge unit 13 and the suction grill 15. This air conditioner is remotely operated by a remote controller (not shown), and a signal transmitted from the transmitter of the remote controller is received by the receiver 19.

FIG. 1 shows a wind direction changing device 21 of the present invention. This wind direction changing device includes a drive motor 22 using a stepping motor, a crank 24 having one end attached to a shaft 23 of the motor, and a crank of this crank. The motor 22 has an operating groove (adjustment portion) 26 into which the shaft 25 at the other end is inserted.
It is composed of an operating board [connecting member] 27 for converting the rotational movement of the above into a swinging movement and a wind direction changing plate 28.

In the operating groove 26, there is formed a slide portion 29 in which the crank 24 moves but the operating plate 27 does not move in the dotted line of FIG. Further, 30 is the wind direction changing plate 2.
It is an operating part that is stopped by the shaft of 8. Reference numeral 31 is a boss against which the crank 24 hits for initial position positioning.

The operating groove 26 is a curved groove as shown in the drawing, and when the shaft 25 of the crank 24 is rotated to the positions shown in FIG.
The reference numeral 8 swings in the directions of ,. The angles between FIG. 1 are set to be the same as the angle between, the angle between, the angle between, and the angle between, respectively. 32 is the crank 24 and the operation board 2
It is a translucent cover that covers and protects 7.

3 and 4, a wind direction changing plate 33 is provided at the air outlet 16 and the wind direction changing plate is manually moved. The shafts 24 at both ends of the wind direction changing plate 33 are fixed to bearings 34 having holes slightly smaller than the shafts. The bearing 34 is made of rubber. Further, the bearing 34 is fitted in the square hole of the air outlet portion 3a of the panel 3, and is provided with a close contact portion 34a along the slope of the air outlet portion 3a so as not to be displaced. Further, 35 is a wind direction changing plate 35.
This support is a separate support provided in the center,
Is hooked on the support portion 36 of the panel 3, so that the center portion of the wind direction changing plate 33 is supported so as not to hang down.

The support portion 36 of the panel 3 is rounded at the base 37.
Since the rib 37 in which a is formed is provided and the support 35 is rounded, the airflow direction changing plate 33 can freely slide and smoothly swing. The support 35 does not fly over the ribs 37, and the direction of the wind direction changing plate 33 does not shift or change. Further, since the support portion 36 is sandwiched by the airflow direction changing plates 33, the airflow direction changing plates 33 are prevented from shifting in the axial direction.

When the wind direction changing plate 33 is moved by the user's hand, the shaft 33a of the wind direction changing plate 33 is firmly fixed by the bearing 34, so that the wind direction changing plate 33 can be moved from a desired direction. It can be prevented from shifting naturally.

In the air conditioner 1 thus constructed,
When the direction of the wind direction changing plate 28 is changed to the direction shown in FIG. 1 at the start of operation, a predetermined operation is performed with the remote controller. When the receiving unit 19 receives a signal from the remote controller, the motor 22 is controlled by a control device (not shown) in the electrical equipment box 12 until the crank 24 hits the boss 31 [the crank direction is as shown in FIG. Until the shaft 25 of the crank 24 reaches the position shown in FIG. 2, the rotary shaft 23 is rotated to the right. The shaft 25 of the crank 24 slides in the slide groove 29 so as not to move the wind direction changing plate 28.
This is to prevent 8 from hitting the panel. Also,
When the wind direction changing plate 28 is swung from this direction to another direction, for example, when a predetermined operation in this direction is performed by the remote controller, the motor 22 causes the control device in the electrical equipment box 12 (not shown). The wind direction changing plate 28 faces in the direction of.

When the wind direction changing plate 28 is swung during the heating operation with the remote controller, the wind direction changing plate 2 is moved.
When 8 is swung at a constant speed from the direction to, and the wind direction changing plate 28 is swung at the time of cooling / heating operation with the remote controller, the wind direction changing plate 28 is equal to the direction from. Swing at speed.

As described above, the operating plate [connecting member] 27 has an operating groove [adjusting portion] for setting the swing angle of the wind direction changing plate 28 in accordance with the size of the rotation angle of the rotary shaft 23 of the drive motor 22. Since 26 is formed, the rotary shaft 2 of the drive motor 22
When 3 is rotated by a predetermined angle, the wind direction changing plate 28 can be swung in proportion to this rotation angle. Therefore, by rotating the rotary shaft 23 of the drive motor 22 by a constant angle, the wind direction changing plate 28 can be moved as shown in FIG. As shown in FIG. 5, it can be swung by a predetermined angle. Further, since the wind direction changing plate 28 can be swung in proportion to the rotation angle of the rotating shaft 23 of the motor 22, the rotating shaft 2
By rotating 3 at a constant speed, the wind direction changing plate 28 can be swung at a constant speed.

Further, in the wind direction changing device 21, the operation groove 26 formed in the operation board 27 is formed in accordance with the maximum swing angle of the air conditioner or the wind direction changing plate in which the wind direction changing device is incorporated. It can be incorporated into various devices only by changing the shape of the operating groove, and the same control device for controlling the motor 22 and the same motor 22 can be used. Therefore, there are many types of products incorporating the wind direction changing device. However, the parts can be shared.

Furthermore, in the wind direction changing device 21, the rotation of the shaft 23 of the drive motor 22 is controlled by the crank 24 and the operation board 2.
7 is used to transmit to the wind direction changing plate 28, it can be used for a thin panel having no mounting space where the motor shaft cannot be directly attached to the shaft of the wind direction changing plate.

[0019]

According to the present invention, in the wind direction changing device provided with the wind direction changing plate, the driving motor and the connecting member, the connecting member has a rotation angle of the rotating shaft of the driving motor. Since the adjusting unit for setting the swing angle of the wind direction changing plate is formed, when the rotation shaft of the drive motor is rotated by a predetermined angle, the wind direction changing plate can be swung in proportion to this rotation angle. By rotating the rotating shaft of the motor for a predetermined angle or by rotating the rotating shaft at a constant speed, the wind direction changing plate is rocked by a predetermined angle or the wind direction changing plate is rocked at a constant speed. be able to.

[Brief description of drawings]

FIG. 1 is an explanatory view of a wind direction changing device showing an embodiment of the present invention.

FIG. 2 is an explanatory view of a connecting member of the wind direction changing device.

FIG. 3 is a cross-sectional view of a main part of an air conditioner incorporating the wind direction changing device.

FIG. 4 is a sectional view taken along line IV-IV shown in FIG. 3 of an air conditioner incorporating the same wind direction changing device.

FIG. 5 is an exploded perspective view of an air conditioner incorporating the same wind direction changing device.

[Explanation of symbols]

 17 Air Outlet 21 Wind Direction Changing Device 22 Drive Motor 23 Rotating Shaft 26 Operating Groove [Adjusting Section] 27 Operating Panel [Connecting Member] 28 Air Direction Changing Plate

Claims (1)

[Claims] 1. A wind direction changing plate disposed at an air outlet for swinging motion, a drive motor for driving the wind direction changing plate, and a rotary motion of a rotary shaft of the motor for swinging motion of the wind direction changing plate. In the wind direction changing device having a connecting member for converting, the connecting member is provided with an adjusting portion for setting the swing angle of the wind direction changing plate according to the size of the rotation angle of the rotation shaft of the drive motor. A wind direction changing device characterized in that