JPH1137538A - Ceiling embedded air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To increase the air velocity of the diffused air, by narrowing the area of the opening of a diffuser at the time of horizontal diffusion and vertical diffusion. SOLUTION: This ceiling embedded air conditioner is provided with a lower wind direction plate 7, which has a support part 7a that forms a projection 7c on the outer periphery toward one side of both ends with the support part 7a journaled in each of both side walls 2c of a diffuser 2, in the roughly middle of the diffuser. Moreover, the air conditioner is provided with an upper wind direction plate 8, which has a support part 8a that forms a projection 8c on the outer periphery toward one side of both ends with the support part 8a journaled in each of both side walls 2c of the diffuser 2 on the same axis as the lower wind direction plate 7, so as to overlap the top surface of the lower wind direction plate 7. A spring 9 energizes both the lower wind direction plate 7 and the upper wind direction plate 8 in their overlapping direction, while an operating rod 10a, which engages with the projections 7c and 8c to be operated by a drive unit, is provided between the two projections 7c and 8c. Further, one side wall of the diffuser 2 is provided with the lower stopper 5 which regulates the rotation of the lower wind direction plate 7 in the state of horizontal diffusion, and with the upper stopper 6 which regulates the rotation of the upper wind direction plate 8 in the state of vertical diffusion.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling-mounted air conditioner, and more particularly, to a structure of a wind direction plate.

[0002]

2. Description of the Related Art A conventional ceiling-mounted air conditioner is shown in FIG.
As shown in the figure, the right and left ends of the left and right support portions 19a extending to the leeward side from the left and right rotation shafts 3 of the outlet 2 are provided substantially at the centers of the outlets 2 provided on the four sides of the decorative panel 1. The configuration is such that a wind direction plate 19 is provided which extends and is curved substantially at right angles to the wind direction so that the inner and outer centers project toward the leeward side.

[0003]

When it is desired to reach the air-conditioning air flow to a long distance or to apply a strong air-conditioning air flow directly below, it is necessary to increase the wind speed of the blowing air in horizontal blowing and vertical blowing. However, in the above configuration, since the opening area of the air outlet does not change significantly, the wind speed cannot be increased much more than usual. In the present invention, in view of the above problems, it is an object of the present invention to provide a ceiling-embedded air conditioner that increases the wind speed of an outlet wind by reducing the opening area of an outlet at the time of horizontal outlet and vertical outlet. Aim.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is directed to a ceiling-embedded air conditioner having outlets provided on four sides of a decorative panel. It has a support portion having a projection formed on the outer periphery on the side, and the support portion is provided with a lower wind direction plate pivotally supported on both side walls of the outlet, respectively, so that both ends are overlapped on the upper surface of the lower wind direction plate. A support portion having a projection formed on an outer periphery near one side, and an upper wind direction plate provided on both side walls of the air outlet so as to be coaxially supported with the lower wind direction plate, wherein the lower wind direction plate is provided. And the upper wind direction plate are biased by a spring in the overlapping direction, while between the two protrusions,
An actuating rod which is engaged with the projection and operated by a driving device is provided, a lower stopper for restricting the rotation of the lower wind direction plate in a horizontal blowing state on one side wall of the outlet, and a lower stopper in a vertical blowing state. An upper stopper for restricting the rotation of the upper wind direction plate is provided.

Further, a micro switch is provided at a position between the lower stopper and the upper stopper.

In addition, the operating rod is provided upright on a cam, and the cam is driven by a motor.

Further, the rotating shaft of the cam is concentric with the rotating shaft of the lower wind direction plate and the upper wind direction plate.

Further, the motor is directly connected to the cam.

[0009] Further, the spring is a torsion coil spring that operates around a rotation axis of the lower wind direction plate and the upper wind direction plate,
The operation arm of the torsion coil spring is configured to be engaged with the projections of the lower wind direction plate and the upper wind direction plate.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS With the above construction, an air conditioner with a buried ceiling is provided in which the opening area of the outlet at the time of horizontal blowing and vertical blowing is reduced to increase the wind speed of the blowing wind. .

[0011]

First, an embodiment of the present invention shown in FIGS. 1 to 4 and FIG. 9 will be described. A suction port 14 is provided at the center of the decorative panel 1 installed downward on the ceiling surface, and four outlets 2 facing different directions are provided on four sides of the outer peripheral portion. A filter 15 is provided on an upper surface of the suction port 14 and an upper side thereof is provided. Motor 16
A blower fan 17 driven by the
7, a heat exchanger 18 is provided on the outer periphery of the air conditioner 7, the room air is filtered by the filter 15 through the suction port 14 and sucked by the blower fan 17, and the air exchanged by the heat exchanger 18 is blown by the air blower 17. Blow out from exit 2. Outer wall 2a and inner wall 2
b and both side walls 2c, an insertion hole 2d is formed in the both side walls 2c of the outlet 2 to insert a rotating shaft 3 having an E-ring groove 3a formed at both ends thereof. Projecting from the back of the decorative panel 1
A fixing rib 4 having an insertion hole 4a coaxial with the lower end d is provided, and a lower stopper 5 and an upper stopper 6 are provided on one side of the side walls 2c.
Are provided. Note that the insertion hole 2d is connected to the outer wall 2a.
The lower stopper 5 is formed at a position where the lower wind direction plate 7 abuts when the later-described lower wind direction plate 7 is in a horizontal blowing state, and the upper stopper 6 is formed at a position where the later upper wind direction plate 8 is in a vertical blowing state. It is formed at the position where it contacts when. On the other hand, a support portion 7a having an insertion hole 7b through which the rotary shaft 3 is inserted, and a projection 7c driven by an operation rod 10a of a cam 10 described later is provided on both ends, and is provided at both ends, and is leeward from the support portion 7a. A lower wind direction plate 7 having a notch 7d formed on one side so as not to abut against the upper stopper 6;
Are formed to be narrower by the thickness of the torsion coil spring 9 described later inside the support portions 7a at both ends of the
And a projection 8c driven by an operating rod 10a of the cam 10 described later is provided at both ends of the support portion 8a. The support portion 8a extends to the leeward side from the support portion 8a,
An upper wind direction plate 8 provided so as to overlap with the upper side is disposed between both side walls 2c of the air outlet 2, and the rotating shaft 3 is provided between the insertion hole 2d of the both side walls 2c and the fixing rib 4. Insertion hole 4a
And the insertion hole 7b of the support portion 7a of the downward wind direction plate 7
After inserting the coil portion 9a of the torsion coil spring 9 and the insertion hole 8b of the support portion 8a of the upper wind direction plate 8, E-rings 20 are mounted in the E-ring grooves 3a at both ends, whereby the lower wind direction plate 7 And the upper wind direction plate 8. The operating arms 9b at both ends of the torsion coil spring 9 are respectively connected to a projection 7c of a support portion 7a of the lower wind direction plate 7 and a projection 8c of a support portion 8a of the upper wind direction plate 8.
The lower wind direction plate 7 and the upper wind direction plate 8 are pressed by the force of the torsion coil spring 9 in the overlapping direction. Further, a cam 10 directly connected to a shaft 11a of a motor 11 is provided concentrically with the rotating shaft 3 on the back surface of the decorative panel 1, and an operating rod 10a protruding from the cam 10 is provided.
Is engaged with the projection 7c of the support portion 7a of the lower wind direction plate 7 and the projection 8c of the support portion 8a of the upper wind direction plate 8,
And the upper wind direction plate 8 are rotated. Next, the operation will be described. When the motor 11 is rotated clockwise in FIG.
The operating rod 10a of the cam 10 pushes the projection 8c of the support portion 8a of the upper wind direction plate 8, and the upper wind direction plate 8 and the lower wind direction plate 7 overlapped by the force of the torsion coil spring 9 in the horizontal blowing direction. Rotate. After a certain amount of rotation, the lower wind direction plate 7 comes into contact with the lower stopper 5 and stops rotating.
The upward wind direction plate 8 continues to rotate by being pushed by the operating rod 10 a while further twisting the torsion coil spring 9, and when the upward wind direction plate 8 substantially closes the outside of the outlet 2, And the motor 11 stops operating. Similarly, when the motor 11 is rotated in the counterclockwise direction in FIG. 4, the operating rod 10 a of the cam 10 pushes the projection 7 c of the support portion 7 a of the lower wind direction plate 7 and overlaps with the force of the torsion coil spring 9. The lower wind direction plate 7 and the upper wind direction plate 8 are rotated in the vertical blowing direction. After a certain amount of rotation, the upper wind direction plate 8 abuts on the upper stopper 6 to stop the rotation, but the lower wind direction plate 7 is pushed by the operating rod 10a while further twisting the torsion coil spring 9. When the lower wind direction plate 7 substantially closes the inside of the air outlet 2, the motor 1
It becomes the operation limit of 1 and stops.

Next, another embodiment shown in FIGS. 5 to 9 will be described. The configuration of the lower stopper and the upper stopper is different from the above embodiment. When the lower micro switch 12 and the upper micro switch 13 are provided at the positions of the lower stopper 5 and the upper stopper 6, respectively, the lower wind direction plate 7 comes into contact with the lower micro switch 12, and the lower micro switch 12 is pressed. The lower micro switch 12 is transmitted to a control system (not shown). Similarly, when the upper wind direction plate 8 comes into contact with the upper micro switch 13 and the micro switch 13 is pressed, the upper micro switch 12 is turned on. It is transmitted that the microswitch 13 is ON. Next, the operation will be described. When the lower micro switch 12 is turned on, the motor 11 is immediately stopped by the control system, so that the upper wind direction plate 8 does not close the outside of the air outlet 2, so that the horizontal speed of the normal horizontal speed blowout is increased. State, and similarly, when the upper micro switch 13 is turned on,
By immediately stopping the motor 11 in the control system, the lower wind direction plate 7 does not close the inside of the outlet 2 and the wind speed is in a vertical blowing state at a normal speed. Further, from the above state, the motor 11 is driven by the control system to close the outside or the inside of the air outlet 2 by the upper wind direction plate 8 or the lower wind direction plate 7, and the horizontal blow state or the vertical blow state where the wind speed is fast. The blowing state can be set, and the wind speed can be adjusted in two stages for both horizontal blowing and vertical blowing.

A support portion 7 for the lower wind direction plate 7 and the upper wind direction plate 8
a, 8a are formed with projections 7c, 8c projecting radially upward from the rotating shaft 3, and have operating rods 10a engaged with the projections 7c, 8c, By mounting the driving device provided with the wind direction panel on each wind direction panel, a highly reliable drive apparatus can be individually controlled for each wind direction panel.

The rotating shaft of the cam 10 is connected to the lower wind direction plate 7.
The operating rod 10a is less likely to come off from the projections 7c, 8c by being concentric with the rotating shaft 3 of the
The operation angle of the cam 10 can be minimized, and the operation time can be minimized.

By directly connecting the motor 11 to the cam 10, a highly reliable driving device having a small number of components is provided.

The coil portion 9a of the torsion coil spring 9 is inserted into the rotating shaft 3 and disposed between the support portion 7a of the lower wind direction plate 7 and the support portion 8a of the upper wind direction plate 8, The operating arm 9b of the torsion coil spring 9 is connected to the support portion 7 of the lower wind direction plate 7.
A configuration in which the projection 7c of FIG. 7a is hooked on the projection 8c of the support portion 8a of the upward wind direction plate 8 requires a small mounting space, so that the dead space of the air outlet is reduced and the number of parts is minimized. Can be suppressed.

[0017]

As described above, according to the present invention,
By reducing the opening area of the outlet at the time of horizontal blowing and vertical blowing, a ceiling embedded type air conditioner that increases the wind speed of the blowing wind is obtained.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing the entire configuration of a ceiling-mounted air conditioner according to the present invention.

FIG. 2 is a rear view of a decorative panel of the ceiling-mounted air conditioner according to the present invention.

FIG. 3 is a cross-sectional view of a main part of an embodiment of a ceiling-embedded air conditioner according to the present invention, showing a horizontal blowing state.

FIG. 4 is a cross-sectional view of a main part of one embodiment of the ceiling-mounted air conditioner according to the present invention, showing a vertical blowing state.

FIG. 5 is a plan view of a main part of one embodiment of the ceiling-mounted air conditioner according to the present invention.

FIG. 6 is a cross-sectional view of a main part of another embodiment of the ceiling-embedded air conditioner according to the present invention, showing a horizontal blowing state at a low wind speed.

FIG. 7 is a cross-sectional view of a main part of another embodiment of the ceiling-embedded air conditioner according to the present invention, showing a vertical blowing state at a low wind speed.

FIG. 8 is a cross-sectional view of a main part of another embodiment of the ceiling-mounted air conditioner according to the present invention, showing a horizontal blowing state at a high wind speed.

FIG. 9 is a cross-sectional view of a main part of another embodiment of the ceiling-embedded air conditioner according to the present invention, showing a vertical blowing state at a high wind speed.

FIG. 10 is a cross-sectional view of a relevant part of a ceiling-embedded air conditioner according to a conventional example as viewed from the side.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Makeup panel 2 Outlet 2c Side wall 3 Rotating shaft 5 Lower stopper 6 Upper stopper 7 Lower wind direction plate 8 Upper wind direction plate 7a, 8a Supporting parts 7c, 8c Projection 9 Torsion coil spring 10 Cam 10a Operating rod 11 Motor 12 Lower Micro switch 13 Upper micro switch

Claims (6)

[Claims] 1. A ceiling-embedded air conditioner provided with air outlets on four sides of a decorative panel, comprising a support having a projection formed on the outer periphery near one side of both ends substantially at the middle of the air outlet, The support portion is provided with a lower wind direction plate pivotally supported on both side walls of the air outlet, and has a support portion formed with a projection on an outer periphery near one side of both ends so as to overlap the upper surface of the lower wind direction plate. An upper wind direction plate is provided on both side walls of the air outlet, the upper wind direction plate being coaxially supported with the lower wind direction plate, and the lower wind direction plate and the upper wind direction plate are biased by a spring in a direction in which the lower wind direction plate and the upper wind direction plate overlap. An operating rod is provided between the two projections, the operating rod being engaged with the projections and operated by a driving device, and is provided on one side wall of the outlet to restrict rotation of the lower wind direction plate in a horizontal blowing state. A stopper and an upper stopper for restricting rotation of the upper wind direction plate in a vertical blowing state. Ceiling embedded type air conditioner to be. 2. A ceiling-embedded air conditioner according to claim 1, wherein a microswitch is provided at a position between said lower stopper and said upper stopper. 3. The ceiling-mounted air conditioner according to claim 1, wherein the operating rod is erected on a cam, and the cam is driven by a motor. 4. The air-conditioning apparatus according to claim 1, wherein a rotation axis of the cam is concentric with a rotation axis of the lower wind direction plate and the upper wind direction plate. Machine. 5. The ceiling-mounted air conditioner according to claim 1, wherein the motor is directly connected to the cam. 6. The torsion coil spring which operates around a rotation axis of the lower wind direction plate and the upper wind direction plate, and an operating arm of the torsion coil spring is provided with the lower wind direction plate and the upper wind direction plate. The ceiling-mounted air conditioner according to claim 1, wherein the air conditioner is engaged with the projection.