JPH10318556A - Ceiling type air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the remote control signal receiving performance of a ceiling type air conditioner. SOLUTION: The ceiling type air conditioner is provided with a suction port 4 in the bottom face on the back side of the body 1 and a diffuser 7 in the front face. The air conditioner incorporates a fan, a heat-exchanger, and the like, and an electric part box is mounted on the back face. The air conditioner is operated by means of a remote controller 14 with the back face of the body 1 being brought close to the wall face 12 and the upper surface thereof being fixed to the ceiling 13. In order to enhance the remote control signal receiving performance, a section 16 for containing an optical remote control signal receiving part 15 while facing the front obliquely downward is provided on the bottom face on the back side of the body where the electric part box is mounted or below the electric part box.

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 for improving the reception performance of a signal (remote control signal) of a remote controller (hereinafter, referred to as a remote control) for remotely controlling the air conditioner. About.

[0002]

2. Description of the Related Art A ceiling-suspended air conditioner has a structure as shown in FIGS. 5 and 6, for example. FIG. 5 shows a state of attachment to a ceiling, and FIG. 6 shows an internal configuration. The main body 21 has a suction port 24 provided with a suction grill 22 and an air filter 23 on the bottom surface on the back side thereof, and an obliquely downward blowout port 27 provided with a plurality of vertical wind direction plates 25 and a horizontal wind direction plate 26 on the front surface. Having a body
Inside 21 is divided into front and rear, a heat exchanger 28 and a drain pan 29 are arranged in a front section, and a blower 30 with an air outlet directed to the heat exchanger 28 is arranged in a rear section, and electric components It has a configuration in which a box 31 is provided, and as shown in FIG.
The rear side of 21 is attached to the wall 32 close to the wall 32, the upper surface is mounted by hanging it on the ceiling 33, etc. A remote controller is used. In a ceiling-mounted air conditioner corresponding to the remote controller, a light receiving unit for a remote control signal is provided in a portion A or B in front of the main body 21 as shown in FIG.

[0003]

As shown in FIG. 7, the light receiving range of the light receiving portion is up to 60 ° left and right, and the light receiving performance decreases as it goes to the periphery (as the light receiving angle increases). The light receiving range is up to 45 ° left and right. Therefore, when the light receiving section is located at the A section or the B section on the front side of the main body 21 as shown in FIG. 5, the light receiving ranges are respectively as shown in FIG. 8, and the light receiving section is directed downward at the A section. Remote control signal or remote control from the far top
Although it is weak to the remote control signal when operating with the 34 attached to the wall surface 32, and strong in the remote control signal from the far upper part because the light receiving part is more forward in the part B than in the case of the part A, On the other hand, there is a problem that the light is easily affected by the noise of the fluorescent lamp 37 on the ceiling 33, and the lower part on the back side of the main body 21 is out of the light receiving range. Further, if the light receiving section is located at the section A or the section B shown in the drawing, the distance to the electrical component box 31 is long, so that the wiring harness becomes long and the cost becomes high, and the workability of the assembly is poor. There is a problem that noise is easily picked up. Accordingly, it is an object of the present invention to provide a ceiling-mounted air conditioner that solves these problems and enhances the light receiving performance of remote control signals.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has a suction port provided with a suction grill and an air filter on a bottom surface on a back side, and a wind direction plate on a front surface. The main body having the obliquely downwardly directed outlet is divided into front and rear sections, a heat exchanger is arranged in a front section, and a blower with an air outlet directed to the heat exchanger is arranged in a rear section, and electrical equipment is arranged behind the blower. In a ceiling-suspended air conditioner provided with a product box, with the rear side of the main body brought close to the wall surface, the upper surface mounted on the ceiling, and operated by the operation of a remote control, the main body rear surface on which the electric component box is provided On the bottom surface on the side, a light receiving part for receiving a remote control signal is provided diagonally downward toward the front.

[0005] As another method, the accommodating portion is provided integrally with the bottom of the electrical component box and protrudes from the bottom surface on the back side of the main body. In addition, an operation display unit is provided on the front surface of the storage unit. Further, the housing portion is provided at the center of the bottom surface on the back side of the main body. Also,
The accommodating portion is provided between the right and left bottom surfaces on the back side of the main body.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In the present invention, a receiving portion for receiving a remote control signal light receiving portion obliquely downward toward the front is provided on the bottom surface of the rear of the main body where the electrical component box is provided or on the bottom of the electrical component box. With this configuration, the light receiving range of the remote control signal extends from the lower wall surface of the main body back to the horizontal direction in front of the light receiving unit, and the signal of the remote controller mounted on the lower wall surface of the main body back can also be received. Further, since the operation display section is provided on the front surface of the housing section, it is easy to confirm the operation status, and the harness can be made shorter because the light receiving section and the electrical component box are in close proximity or integrated. it can.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 shows the appearance of a ceiling-mounted air conditioner, and FIG. 2 shows the internal configuration of the air conditioner. The main body 1 of the ceiling-suspended air conditioner has a suction port 4 provided with a suction grill 2 and an air filter 3 on the bottom surface on the back side, and a plurality of vertical wind direction plates 5 and horizontal wind direction plates 6 on the front surface. It has an obliquely downwardly directed air outlet 7, the inside of the main body 1 is divided into front and rear, a heat exchanger 8 and a drain pan 9 are arranged in a front section, and an air outlet is directed to the heat exchanger 8 in a rear section. A blower 10 is arranged, and an electrical component box 11 is provided behind the blower 10. The main body 1 is attached by attaching the rear side of the main body 1 to the wall surface 12, and suspending the upper surface of the main body 1 on the ceiling 13, and attaching and detaching to the wall surface 12. The vehicle is driven by operation of a remote controller 14 provided freely.

The present embodiment is characterized in that a receiving portion 16 for receiving a remote control signal light receiving portion 15 obliquely downward toward the front is provided on the bottom surface on the back side of the main body 1 so as to improve the light receiving performance of the remote control signal. It is an improvement. In addition, the front surface (inclined surface) of the housing portion 16 is formed on both the inner and outer surfaces so as to be at about 45 ° with respect to the wall surface 12, and on the front surface, an operation display unit (not shown) using a light emitting element or the like. Is also provided. The housing portion 16 may be integrated with the main body 1, integrated with the electrical component box 11, or separately formed and attached to the lower portion of the main body 1 or the electrical component box 11. As shown in FIG. May be formed integrally between the left and right bottom surfaces.

In any case, if the light receiving portion 15 is located in the above-described housing portion 16 and is obliquely downward toward the front, the light receiving range of the remote control signal is changed from the horizontal direction as shown in FIG. Since the angle is substantially up to the vertical direction, it is possible to receive light even when the remote controller 14 is operated while being attached to the wall surface 12, for example. The fluorescent lamp 1 on the ceiling 13
The noise generated by 7 is blocked by the main body 1 and is not likely to be received. In addition, the harness can be shortened because the electrical component box 11 is at a close distance.

[0010]

According to the ceiling-suspended air conditioner as described above, the light receiving range with respect to the remote control signal becomes wide, and the remote control signal from the wall immediately below can be received. In addition, the operating condition is stabilized without being affected by the noise of the fluorescent lamp, and the light receiving element can be arranged at a close distance to the electrical component box, so that the harness can be shortened, there is no possibility of picking up noise, and the assembling work is simplified. There are advantages such as a large cost merit.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a ceiling-suspended air conditioner showing a first embodiment of the present invention.

FIG. 2 is an internal configuration diagram of the ceiling-suspended air conditioner showing the first embodiment of the present invention.

FIG. 3 is a perspective view showing a ceiling-mounted air conditioner according to a second embodiment of the present invention.

FIG. 4 is an explanatory diagram of a light receiving range of a light receiving unit according to the present invention.

FIG. 5 is an external perspective view of a ceiling-suspended air conditioner showing a conventional example.

FIG. 6 is an internal configuration diagram of a ceiling-mounted air conditioner showing a conventional example.

FIG. 7 is a sensitivity characteristic diagram of a light receiving unit according to the present invention and a conventional example.

FIG. 8 is an explanatory diagram of a light receiving range of a light receiving unit according to a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Suction grille 3 Air filter 4 Suction port 5 Vertical wind direction board 6 Horizontal wind direction board 7 Outlet 8 Heat exchanger 9 Drain pan 10 Blower 11 Electrical component box 12 Wall surface 13 Ceiling 14 Remote control 15 Light receiving unit 16 Housing

Claims (6)

[Claims] 1. A main body having a suction opening provided with a suction grille and an air filter on a back side bottom surface, and having a diagonally downward blowout opening provided with a wind direction plate on a front surface, is divided into front and rear sections, and a front section is formed. A heat exchanger is arranged, a blower with a blower opening facing the heat exchanger is arranged in the rear section, and an electrical component box is provided behind the heat exchanger, the rear side of the main body is close to the wall surface, and the upper surface is mounted on the ceiling. In a ceiling-mounted air conditioner that is operated by operation of a remote controller, a light-receiving portion for receiving a signal of the remote controller is provided obliquely toward the front on the bottom surface on the back side of the main body where the electrical component box is provided. A ceiling-suspended air conditioner, characterized by comprising a housing part for housing downward. 2. The storage device according to claim 1, wherein the housing portion is provided integrally with a bottom portion of the electrical component box and protrudes from a bottom surface on a rear side of the main body.
The ceiling-suspended air conditioner as described. 3. The ceiling-mounted air conditioner according to claim 1, wherein an operation display unit is provided on a front surface of the accommodation unit. 4. The ceiling-suspended air conditioner according to claim 1, wherein the housing is provided at the center of the bottom surface on the back side of the main body. 5. The ceiling-suspended air conditioner according to claim 1, wherein the housing portion is provided between left and right sides of a bottom surface on a back side of the main body. 6. The ceiling-suspended air conditioner according to claim 1, wherein the housing portion is separately formed and attached to the center of the bottom surface on the back side of the main body or the bottom surface of the electrical component box.