JP3256395B2 - Ceiling-mounted air conditioner - Google Patents

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 mounted inside a ceiling.

[0002]

2. Description of the Related Art Conventionally, when replacing an air filter provided in a ceiling-mounted type air conditioner, since the air conditioner is located at a high place, a scaffold (stepladder or the like) is provided and the user stands on the scaffold. It is necessary to remove the set screw of the decorative panel and remove the air filter provided on the back of the decorative panel, not only because it takes time unnecessarily for climbing up and down the scaffold and unstable work at high places, It was also very dangerous. For this reason, it is difficult to perform this work alone, and an assistant is required, which has also led to an increase in cost.

In order to solve this problem, one end of the suction grill is rotatably connected to the unit body, and the other end thereof is driven by an externally operated forward / reverse rotatable motor built in the unit body. Has provided an embedded ceiling air conditioner connected to a wire to be wound and unwound. However, if the air-conditioning device is not opened, the open side of the suction grill cannot be confirmed from below unless the opening operation is performed. Therefore, when the air filter is replaced, the position of the scaffold (stepladder, etc.) must be determined. However, there was a problem that it was troublesome.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, and a ceiling-embedded air system capable of exchanging an air filter easily and quickly without danger by one person. The purpose is to provide a harmony machine.

[0005]

In order to solve the above problem, the present invention is configured such that a suction port is formed between the outer peripheral end portion of the decorative panel and the inner frame, and a filter support frame is formed on the back surface of the decorative panel. An air filter is removably attached to the filter support frame at a position where a suction space is formed with a predetermined interval from the back of the decorative panel, and one end of the decorative panel is rotatably connected to the unit body and faces the unit body. The other end side is connected to the wire that is wound up and rewinded by the drive of a forward / reverse rotatable motor operated from the outside built in the unit body, so that the decorative panel, filter support frame, and air filter are connected. In the ceiling-mounted air conditioner attached to the unit body so that it can be opened and closed downward, the motor can be switched either forward or backward in response to instructions from the wireless remote control. Control unit for rotating the can, in hanging the inner surface of the inner frame of the substantially middle portion of Zama, some from below of the suction port in which is provided at a position visually.

[0006]

According to the above means, the lower part of the air filter is closed by the decorative panel, and the motor mounted in the unit body is driven by the operation from outside (floor surface) (wireless remote controller or the like) to rotate in reverse. Then, one end of the decorative panel is lowered and released by the weight of the decorative panel. Also, if the motor is rotated forward, the wire is wound up and one end of the decorative panel that goes down goes up and closes, and the control panel is located at a position that can be seen from below the suction port. The side can be confirmed before working.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments will be described below with reference to the drawings. 4 and 5, reference numeral 1 denotes a ceiling-mounted air conditioner of the present invention, and the ceiling-mounted air conditioner 1 has a heat exchange coil,
A unit main body 11 in which a blower, a drain pan and the like (not shown) are built, a decorative panel 3 provided in the center of the lower surface of the unit main body 11, a filter support frame 4 provided on the back surface of the decorative panel 3, Air filter 5 detachably mounted on filter support frame 4 and decorative panel 3
And a drive device 6 that opens and closes.

The unit main body 11 comprises a box-shaped main body box 12 having an opening at the bottom, and a ceiling panel portion 2 attached to the lower surface of the main body box 12. Inside the main body box 12, a heat exchange coil, a blower and the like are provided. , A drain pan, etc. are attached via a heat exchange coil receiving stand, a blower attaching stand, etc.
A partition wall 122 is located at a predetermined interval inside the lower end of the partition 21, and an air outlet 120 for blowing conditioned air downward is formed between the outer peripheral wall 121 and the partition wall 122. Is formed.

The ceiling panel 2 includes an upper frame 21 and an outer frame 22.
The upper frame 21 is located on the inner side of the lower end of the partition wall 122 of the main body box 12 and has an opening 21 in the center.
, Which are provided at predetermined positions on the inner surface of the lower end of the partition wall 122 and are connected via connecting screws 124... Which are attached to the supporting protrusions 123. And an outer fitting having a square outer shape having an opening 212 at a predetermined position where the central portion of the outlet channel 120 is located outside the lower end portion of the connecting frame portion 211 and the partition wall 122 and the outer peripheral wall 121 from below. It is composed of a frame part 213. That is, the mounting direction of the ceiling panel unit 2 to the unit main body 11 can be appropriately changed according to the release direction of the decorative panel 3 described later.

The outer frame 22 is located outside the opening 212 and is attached to the lower surface of the outer fitting frame portion 213. The outer frame 22 has a shape that extends from the upper portion to the lower portion, and has a lower end portion facing the indoor side of the U-shaped ceiling surface. A lower edge 221 located is formed. The inner frame 23 is located inside the opening 212 and
3 is attached to the lower surface of the outer frame 22 and has a predetermined interval and extends from the upper part to the lower part in parallel with a predetermined interval.
Is formed.

The gap between the inner surface of the outer frame 22 and the outer surface of the inner frame 23 is defined as an air outlet 20 which is continuous with the lower surface of the outlet passage 120 of the main body box 12, and the outer surface of the inclined frame 231 has a vane mounting seat 233. Through the wind direction adjustment vanes 232,
The condition where conditioned air is blown out onto the ceiling and the outer frame 2
3 is rotatably mounted so as to be able to change its posture so as to be blown downward along the inner surface of the lower end.

The lower surface of the decorative panel 3 is substantially flush with the lower end surface of the inner frame 23, and the peripheral end of the decorative panel 3 has a predetermined distance from the lower peripheral portion of the inner frame 23. The suction port 300 is configured to have such a size as to be formed. That is, a reinforcing frame member 31 is formed at the peripheral edge of the back surface of the decorative panel 3, and a central reinforcing member (not shown) is formed between the center portions of the reinforcing frame member 31. On the back surface, the outer fitting frame 21
Rotating mounting seats 30 are formed to protrude upward in correspondence with the panel mounting seats 214 protruding downward mounted on both inner end portions of the inner surface of the base member 3. The suspension seats 61, 61 protruding from are formed.

An L-shaped support hole 310 having an open upper end is formed in the rotation mounting seat 30. After the decorative panel 3 is rotatably mounted on the unit main body 11 on the inner surface of the rotation mounting seat 30. A stopper metal fitting 312 for closing the opening at the upper end of the support hole 310 is attached. That is, the support shaft 310 is provided from below on the pivot 217 provided on the panel mounting seat 214.
After fitting and suspending, the stopper fitting 312 is attached to the inner surface of the rotation mounting seat 30 to prevent the support hole 310 from dropping off from the pivot 217, and rotate the decorative panel 3 to the ceiling panel portion 2. Attach freely. The suspension seat 61 has a wire 62 that is wound and unwound by a motor 60.
Is attached at one end.

The filter support frame 4 is located above the rear surface of the decorative panel 3 with a predetermined space therebetween, and has a filter mounting frame 41 having an opening 40 whose central portion substantially coincides with the opening 210 of the connecting frame portion 211. , Filter mounting frame 41-4
It is composed of support legs 411... Extending from the corners to the reinforcement frame 31 side of the decorative panel 3. Reference numeral 412 denotes a detachment fitting for attaching and detaching the air filter 5 provided on the filter mounting frame 41.

The filter support frame 4 is formed as described above, and a suction space 400 is formed between the rear surface of the decorative panel 3 and the air filter 5 so as to be continuous with the suction port 300. Suction space 40
0 and the opening 210 of the connection frame portion 211, the air is sucked into the main body box 12, passes through the heat exchange coil in the main body box 12, and becomes conditioned air to form the outlet passages 120 and 12
The air is blown out from the air outlet 20 that is continuous with the peripheral portion of the lower surface of the zero.

The driving device 6 comprises two motors 60, 60 rotatable in the forward and reverse directions, and two wires 62, 62 wound and unwound by the motors 60, 60, respectively.
One control unit 63 that recognizes instructions from the wireless remote controller
And one limit switch 64 for detecting the opening / closing posture of the decorative panel 3.

The motor 60 is connected to the hanging seat 6 of the decorative panel 3.
1 is attached to the upper lower surface of the connection frame 211 via the motor mounting seat 601 and is connected to the motor by one end of the wire 62.
Is provided.

One end of the wire 62 has a sprawl 602.
And is extended horizontally in the connection frame portion 211,
The connection frame 211 is located above the decorative panel 61.
Is extended downward through an intermediate member 620 attached to the inner surface of the side of the vehicle, and the other end is connected to the suspension seat 61.

The intermediate member 620 is made of a synthetic resin material having a small friction coefficient so that the wire 62 slides smoothly.
A connecting portion 622 that is connected to the inner surface of is formed by integral molding. As another embodiment, if the intermediate member 620 is formed of a pulley, the load on the wire 62 can be reduced even when the weight of the decorative panel 3 increases.

The control unit 63 is provided on the inner surface of the inner frame 23 at a substantially intermediate portion between the suspension seats 61, 61 at a position where a part can be seen from below the suction port 300 via a mounting box 631, and a wireless remote controller is provided. In response to the instruction, the motor 60 is rotated either forward or reverse, and the limit switch 6
By the operation of 4, the motor 60 repeats the forward / reverse rotation for a predetermined time to control the decorative panel 3 to be closed at a predetermined position.

That is, when the air conditioner of the present invention is looked up from the floor surface, the release direction of the decorative panel 3 can be recognized by the position of the control unit 63 which is visually recognized from below, and the decorative panel 3 can be recognized.
The operator's safety can be ensured by checking the position where the wireless remote controller is operated.

The limit switch 64 protrudes outward from the filter mounting frame 41 on the inner lower surface on the end side of the connecting frame portion 211 from which the control section 62 is mounted off the position via the limit switch mounting seat 641. It is attached at a position corresponding to the formed switch operating piece 413.

Numerals 218... Denote cushioning members attached to the inner lower surface of the connection frame portion 211. When the decorative panel 3 is closed, the upper surface of the filter mounting frame 41 is connected to the connection frame portion 21.
1 is mitigated, air between the opening 210 of the connecting frame portion 211 and the opening 40 of the filter mounting frame 41 is sealed, and the air taken in from the suction port 300 flows from the suction space 400 to the opening 40 and the air filter. 5 so as to be reliably sucked into the main body box 11 through the opening 210.

The air filter 5 is divided into two parts and is detachably mounted on the upper surface of the opening 40 of the filter mounting frame 41. The air filter 5 is provided on the filter mounting frame 41 so as not to fall when the decorative panel 3 is released. Detachment fitting 41
The end of the air filter 5 is locked by 2.
On the other hand, when replacing the air filter 5,
.. Are rotated to the outside of the filter mounting frame 41 to release the locked state of the end of the air filter 5.

[0025]

As described above, according to the present invention, a suction port is formed between the outer side of the peripheral end of the decorative panel and the inner frame, a filter support frame is formed on the back surface of the decorative panel, and an air filter is provided on the filter support frame. Since it is detachably attached to the position where the suction space is formed with a predetermined interval from the back of the decorative panel, dust and the like falling from the air filter even when the ceiling embedded type air conditioner is stopped Since it is blocked by a decorative panel, it does not fall directly into the room and is sanitary,
Since the sound of air passing through the air filter or the noise of the blower is also cut off by the decorative panel, the operating sound is quiet.In addition, one end of the decorative panel is rotatably connected to the unit main body, and the other end opposite thereto, The decorative panel, filter support frame, and air filter can be opened and closed freely by being connected to the wire that is wound up and rewinded by the drive of a forward / reverse rotatable motor operated from the outside, which is built in the unit body. In addition, since the air filter is attached to the unit body, if there is a foothold equivalent to a step, the air filter can be easily and quickly changed by one person, and it is safe because there is no need to work at a high place. Furthermore, since the control unit is provided at a position that can be seen from below the suction port,
Since the open side of the decorative panel can be confirmed before the work, the installation position of the scaffold can be reliably and easily performed.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a main part of a wire mounting side according to the present invention.

FIG. 2 is a longitudinal sectional view of a main part of the decorative panel according to the present invention on a pivot point side.

FIG. 3 is a sectional view of a main part taken along line AA of FIG. 1;

FIG. 4 is a front view of the present invention.

FIG. 5 is a bottom view of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ceiling embedded type air conditioner 11 Unit main body 2 Ceiling panel part 23 Inner frame 3 Decorative panel 300 Suction port 4 Filter support frame 400 Suction space 6 Drive device 60 Motor 62 Wire 5 Air filter

Claims (1)

(57) [Claims] An inlet is formed between the outer side of the peripheral end of the decorative panel and the inner frame, a filter support frame is formed on the back of the decorative panel, and an air filter is provided on the filter support frame at a predetermined distance from the back of the decorative panel. Has a suction space, is detachably mounted, one end of the decorative panel is rotatably connected to the unit main body, and the other end opposite thereto,
The decorative panel, filter support frame, and air filter can be opened and closed freely by being connected to the wire that is wound up and rewinded by the drive of a forward / reverse rotatable motor operated from the outside, which is built in the unit body. To
In the ceiling-mounted air conditioner attached to the unit body, the control unit that rotates the motor in either forward or reverse direction in response to the instruction of the wireless remote control, on the inner surface of the inner frame almost in the middle between the suspension seats, A ceiling-mounted air conditioner characterized by being provided at a position where a part of the air conditioner can be seen from below the suction port.