JPH03244935A - Air conditioner - Google Patents

Abstract

PURPOSE:To perform service inspection in a short time by a method wherein, a first drain pan and a second drain pan which collects the drain water from the first drain pan are connected by a flexible drain hose. CONSTITUTION:In the execution of service inspection, a suction grille 35 is suspended, a second drain pan 28 is lowered by hand which is thrusted-in through a suction space 61, a drain hose 29 introducing drained water from a first drain pan 15, is bent easily. In this bent state, the service inspection of the second drain pan 28 and the drain pump 25 is performed. After these works are finished, the drain hose 29 is returned to upright state again, and the intake port 62 is closed by a suction grille 35.

Description

[Detailed description of the invention] B) Industrial application fields The present invention relates to an air conditioner installed at a high place.

(b) Conventional technology This type of air conditioner was first demonstrated in the 1970s.
There is a publication No. 3-7770. The air conditioner disclosed in this publication is constructed as described below.

That is, in the air conditioner, the first drain pan disposed below the heat exchanger and the second drain pan disposed below the drain pump are integrally formed.

C) Problems to be Solved by the Invention When two drain pans are formed integrally in this way, this drain pan becomes large and, for example, even when only the drain pump is replaced, this large drain pan must be removed. Service inspection work sometimes became difficult to perform or took longer than necessary.

The purpose of the present invention is to facilitate service inspection of drain pumps built into air conditioners installed in high places such as ceilings and drain pans located below the pumps, and to shorten the work time. That is.

(d) Means for Solving the Problems In order to achieve this object, the present invention includes a first drain pan disposed below a heat exchanger, a drain pan that receives drain water from the first drain pan, and a drain pump that receives drain water from the first drain pan. It is connected to a second drain pan placed below by a bendable drain hose, and this second drain pan is provided above the suction grill.

(f) Function By bending the drain hose, only the second drain pan below the drain pump can be pulled out from the suction port of the main body, thereby allowing service inspection of the drain pump and the second drain pan.

Embodiment 1 In FIGS. 1 and 2, 1 is a ceiling-embedded air conditioner, which includes a main body 3 housed in the attic 2, and a ceiling exposed panel 5 attached to a lower opening 4 of this main body 3. It is composed of Reference numeral 6 denotes a hanging member having a U-shaped cross section provided on the left and right outer sides of the main body, and a hanging bolt 9 in the attic 2 is inserted into the hole 8 of the upper piece 7, and a nut (not shown) is inserted into the hole 8 of the upper piece 7. This main body 3 is installed in the ceiling 2 by screwing it into the bolt 9. Reference numeral 10 denotes a locking portion, which is formed by bending upwardly the flange pieces 11 on the left and right opening edges of the main body. 12
5 is a partition plate that divides the inside of the main body 3 into a heat exchange chamber 13 and a ventilation chamber 14; 5 is a first drain pan;
6 faces the ventilation chamber 14 through the opening of the partition plate 12. Reference numeral 17 denotes an exterior plate disposed on the lower surface of the first drain pan 15, and a short piece 18 thereof is attached to the flange piece 1 at the opening edge of the main body 3.
Fixed to 1. Here, the lower portions of the exterior plate 17 and the first drain pan 15 extend below the lower opening 4 of the main body 3, and the exterior plate 17 serves as a protruding member. A tapered slope 19 is formed on the short edge of this exterior body 17. A heat exchanger 20 acts as an evaporator during cooling operation and as a condenser during heating operation, and is placed in the first drain bunker 5. Reference numeral 21 denotes a blower, and this blower 21 includes four sirocco fans (not shown) connected by one rotating shaft, a fan casing 22, and a fan motor 23 whose drive shaft is connected to the one rotating shaft. The discharge port 24 of the fan casing 22 and a support (not shown) for the fan motor 23 are fixed to the partition plate 12 described above. 2
5 is a drain pump, which is suspended from the top surface of the main body 3 by a tool 26.
It is suspended through. 27 is a drain pipe, one end of which is connected to the drain pump 25 and the other end (not shown) extends to the outside of the main body 3.

A second drain pan 28 is located below the drain pump 25. 29 is a drain hose made of soft vinyl chloride, and is completely covered with a heat insulating material 30. The first drain pan 15 and the second drain pan 28 are connected by this drain hose 29, and the drain water received by the first drain pan 15 is passed through the drain hose 29 to the second drain pan 28.
8. The drain water led to the second drain pan 28 is sucked up by the drain pump 25 and discharged to the outside of the main body 3 via the drain vibrator 27.

The exposed ceiling panel 5 includes a rectangular frame 31 made of sheet metal, and a long decorative piece 3 made of sheet metal attached to the long piece of this frame.
2, an inspection panel (short decorative piece) 33 made of synthetic resin that is attached to the inspection lower 0 formed by this length measuring decorative piece 32 and a short piece of the frame 31, and an inspection panel (short decorative piece) 33 that is attached to the suction port 34 of this frame 31. It consists of a suction grill 35 and a decorative board 36 attached to the lower surface of the frame 31. Reference numeral 37 denotes a support member protruding from the flange of the short piece of the frame 31, and the support member 37 and the lower piece 3 of the hanging member 6 on the outer surface of the main body 3.
8 are fixed with screws 39, thereby fixing the ceiling exposed panel 5 to the main body 3. Reference numeral 40 denotes one hooking member, which is provided on the - (right) side of the main body. The upper part of one of the hook members 40 is bent in an inverted U-shape to the inside of the frame body to form an engaging claw 41, and the lower part thereof is bent to the outside and downward of the frame body 31 to form an operating part 42. ing. Here, one of the hook members 40 is attached to a short piece of the frame 31 with a screw via a spring (described later). Therefore, when the operating part 42 of one of the hook members 40 is pushed inward as shown by the solid arrow, the hook member 40 rotates about the flat part 43 and the engaging claw 41 moves to the outside of the frame 31. do.

Further, on the other (right) side of the frame 31, another hooking member (described later) is provided. This other hook member is of a fixed type, unlike the one hook member. 44 is the air outlet,
A wind direction changing plate 45 is arranged therein. and,
When this air conditioner@1 is operated, air flows as shown by the solid line arrow in FIG.

3 to 5 show the relationship between the main body and the exposed ceiling panel, and the main body 3 is housed in the ceiling 2. Then, the exposed ceiling panel 5 is attached to the lower part of the main body 3, and more specifically, as shown in FIG. 39
is fixed. Then, the ceiling exposed panel 5 is attached to the main body 3.
When attached, the left and right locking parts 1 of the main body 3
0, the engaging claws 41 and 47 of the one and other hooking members 40 and 46 are in a lifted state.Next, when removing this exposed ceiling panel, first remove the two left and right pieces from this exposed ceiling panel 5. Remove the inspection panel 33, open the inspection lower 0,
The supporting member 37 of the exposed ceiling panel 5 and the hanging member 6 of the main body 3
Remove the screw 39 (see Figure 1) that secures the bottom piece 38 to the bottom piece 38.

By this operation, the ceiling exposed panel 5 moves downward as a whole, and the engaging claws 41, 47 of the respective hook members 40, 46
are locked to the respective locking portions 10.

As a result, the ceiling exposed panel 5 is temporarily fixed in a state slightly lower than the ceiling 48 (see FIG. 4).

After that, support this exposed ceiling panel 5 with your hands from below to make it rise to the right, and then use your right hand to push the operating part 42 of one of the hook members 40 inward as shown by the solid line arrow in FIG. Then, the engaging claw 47 of this one hooking member 40 comes off from one of the locking portions 10. Then, with the right side of the exposed ceiling panel 5 lowered than the left side, move the exposed ceiling panel 5 to the left and remove the engaging claw 47 of the other hooking member 46 from the other locking part 10. This ceiling exposed panel 5
Remove from main unit 3.

Furthermore, when attaching this ceiling exposed panel 5 to the main body 3, the above-mentioned operation may be reversed.

In particular, after the engaging claw 47 of the other hooking member 46 of the ceiling exposed panel 5 is engaged with the other locking part 10 of the main body 3, if the right part of the ceiling exposed panel 5 is pushed up from below, one side The engaging pawl 41 of the hooking member 40 automatically moves along the outside of the locking part 10 by the elastic force of the spring 490, and the engaging pawl 41 is locked with the locking part 10. Therefore, in this installation, it is sometimes not necessary to push the operating portion 42 of one of the hook members 40 and spread this member 40 apart. Here, when attaching the exposed ceiling panel 5 to the main body 3, the upper corner portion 50 of this panel 5 hits the tapered slope 19 of the short edge of the exterior body 17 of the main body 3, and this slope serves as a guide portion. As a result, the exterior body 17 of the main body 3 can be smoothly covered with the exposed ceiling panel 5.

In this way, the operating section 42 for moving the hooking member 40 on one side of the ceiling exposed panel 5 is provided at the bottom of the hooking member 40, so that the above-mentioned removal and installation can be carried out with hands and body (head) on the ceiling. These operations can be performed without being too close to 48. In addition, the inspection panel 33 is removed, the inspection lower 0 is opened, the ceiling exposed panel 5 is attached to the main body 3, and the inspection panel 33 is then fitted into the inspection lower 0, so that the inspection lower 0 can be opened. The positional relationship between the hanging bolt 9 and the upper piece 7 of the hanging member 6 and the positional relationship between the support member 37 of the main body 3 and the lower piece 38 of the hanging member 6 can be adjusted. That is, even after the ceiling exposed panel 5 is attached to the main body 3, the position of this main body 5 can be adjusted in the ceiling 2 (adjusting the height of the main body up and down), and the relationship between the ceiling exposed panel 5 and the ceiling 48 can be adjusted. Even if there is a gap between them, this gap can be eliminated.

FIG. 6 is an exploded perspective view of the exposed ceiling panel, in which the vertical surface 51 of the long piece of the frame 31 and the vertical surface 52 of the long decorative piece 32 are screwed (
(not shown). 53 is a mounting hole provided in the long decorative piece 32. Further, reference numeral 54 denotes a rising plate provided at both ends of the inspection panel, and as shown in FIG. 7, this rising plate 5
4 has an elastic piece 56 formed by a notch 55, and a protrusion 57 is formed on the outside of this elastic piece 56. Further, 58 is a stopper piece provided on the upper edge of this rising piece 54.

Here, the relationship between the exposed ceiling panel 5 and the inspection panel 33 will be described as follows. That is, the state in which the inspection panel 33 is assembled to the exposed ceiling panel 5 is as shown in FIG. 8, and the protrusion 57 of the inspection panel 33 is fitted into the attachment hole 53 of the long decorative piece 32. When removing this inspection panel 33, remove the protrusion 57 of the inspection panel 33.
59 to the left. (See solid line arrow in Figure 7). This movement causes the protrusion 57 to come off the attachment hole 53, and the inspection panel 33 moves downward. At this time, the stopper 58 of the inspection panel 33 is caught on the upper edge 60 of the long decorative piece 32 as shown by the solid line arrow in FIG. As a result, even if the inspection panel 33 is removed, the panel 33 will not fall down at the same time, and service inspection work can be carried out safely.

FIG. 9 is a sectional view of the air conditioner showing the state of the second drain pan 28 and drain pump 25 during service inspection. That is, during the above-mentioned service inspection, when the suction grille 35 is hung down, the second drain pan 28 can be seen from below.

When the second drain pan 28 is pulled down by inserting a hand into the suction space 61 in which the second F drain pan 28 is housed, the drain hose 29 is easily bent because it is made of soft vinyl chloride. In this bent state, service inspection of the inside of the second drain pan 28 and the drain pump 25 can be performed. After completing these operations, the drain hose 29 is straightened and the suction port 62 is closed with the suction grill 35. In this way, the second drain pan 28 located below the drain pump 25 and the first drain pan 15 located below the heat exchanger 20 are divided, and both drain pans 15.28 are connected with a bendable drain hose 29. In addition, since the second drain pan 28 can be positioned above the suction panel 35 of the main body 3, the second drain pan 28 can be installed by removing the suction panel 35 and bending the drain hose 29.
Service inspection of the drain pan 28 and drain pump 25 can be easily performed.

(G) Effects of the Invention As described above, the present invention includes a first drain pan disposed below the heat exchanger, and a second drain pan disposed below the drain pump that receives drain water from the first F drain pan. 2
Connect to the drain pan with a bendable drain hose,
Since this second drain pan was installed above the suction panel,
By bending the drain hose, the second drain pan below the drain pump can be pulled out below the suction port of the main unit, allowing for service inspection of the drain pump and second drain pan while the air conditioner remains installed on the ceiling. can be easily done in a short time.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention; FIG. 1 is an exploded perspective view of a ceiling-embedded air conditioner, FIG. 2 is a sectional view of the air conditioner, and FIG. 3 is an explanatory diagram showing the installed state of the air conditioner. Figure 4 is an explanatory diagram showing the machine in a temporarily fixed state, Figure 5 is an explanatory diagram showing the machine in a removed state, Figure 6 is an exploded perspective view of the exposed ceiling panel, and Figure 7 is the inspection panel that makes up the panel. Figure 8 is a perspective view of the main parts showing the combined state of the exposed ceiling panel and the inspection panel, and Figure 9 is the main part of the ceiling-mounted air conditioner showing the service inspection state of the second drain pan. FIG. 1... (ceiling-mounted) air conditioner, 3... main body, 5... (ceiling exposed) panel, 15... first drain pan, 20... heat exchanger, 25... Drain pump, 28...Second drain pan, 29...
・Drain hose, 35...-Suction grill.

Claims (1)

[Claims] 1) In an air conditioner comprising a main body incorporating a heat exchanger, a drain pan, and a drain pump, and a panel attached to the lower surface of the main body, the drain pan is connected to a first drain pan disposed below the heat exchanger. and a second drain pan that receives drain water from the first drain pan and is placed below the drain pump, and connects both drain pans with a bendable drain hose, and connects the second drain pan to the panel of the panel. A ceiling-embedded air conditioner characterized by being installed above a suction grill that is detachably attached to the ceiling.