JPH11108386A - Ceiling hung air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate connection work of a drain piping and discharge check of drain by suspending a drain pump unit on an air conditioner body through a cutout formed in a side plate of an air conditioner body. SOLUTION: A drain pump unit 35 is temporarily fixed to an air conditioner body 1 in the state where the drain pump unit 35 is suspended from the air conditioner body 1 such that a cutout 115 is formed in a side plate 113 of the air conditioner body 1, through which cutout the drain pump unit 35 and an outer drain piping 117 are connectable with each other. To be concreete, first and second hooks 81, 83 are formed on the drainpump unit 35, and there drain pump unit is temporarily fixed by hooking the first and second hooks 81, 83 on the air conditioner body 1, and when the drain pump unit 35 is chiefly fixed at a predetermined position of the air conditioner body 1, that is achieved by using a bis 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a drain pump unit of a ceiling-suspended air conditioner.

[0002]

2. Description of the Related Art In general, an air conditioner body is provided with a heat exchanger, a drain pan and a drain pump unit connected to the drain pan via a flexible hose, and the drain pump unit is arranged near a side plate. The device is known.

[0003]

The first problem is that the connection between the drain pump unit and the external drain pipe becomes difficult. Conventionally, an inspection port is provided near the installation position of the ceiling-suspended air conditioner, and enters the ceiling from the inspection port, and the drain pump unit and the external drain pipe are connected behind the ceiling. Not only becomes difficult, but an extra inspection opening is required.

Second, in the conventional configuration, when the drain pump is connected and the test operation of the drain pump is performed, it is determined whether or not the drain is reliably discharged to the outside of the air conditioner main body through the drain pump. There is a problem that it is difficult to confirm.

Third, in the conventional structure, the drain pump is fixed to the unit body of the drain pump unit via a vibration-proof rubber. However, the vibration-proof effect of this rubber cannot be expected so much. -There is a problem that noise generation cannot be suppressed.

Therefore, an object of the present invention is to make it easy to connect a drain pipe, and to make it easy to check whether the drain is reliably discharged to the outside of the air conditioner main body through the drain pump during a test operation of the drain pump. Another object of the present invention is to provide a ceiling-suspended air-conditioning apparatus that can be confirmed as such and can enhance the vibration-proofing effect of the vibration-proof rubber.

[0007]

In order to achieve the above object, an invention according to claim 1 includes a heat exchanger, a drain pan, and a drain pump unit connected to a drain pan via a flexible hose to an air conditioner body. A ceiling pump type air conditioner in which the drain pump unit is disposed near a side plate of the air conditioner body, a cutout portion is formed in the side plate, and the drain pump unit and the external drain are formed through the cutout portion. The drain pump unit is configured to be hung from the air conditioner main body so that connection with a pipe is possible.

According to the first aspect of the present invention, the drain pump unit is temporarily fixed to the air conditioner main body in a suspended state, and the drain pump unit and the external piping are connected to each other through the cutouts in the side plates of the air conditioner main body. , The connection work becomes easy.

According to a second aspect of the present invention, in the first aspect, the drain pump unit includes a unit main body and a water receiving tray, and the water receiving tray is hingedly connected to the unit main body and can be opened and closed. Things.

According to the second aspect of the present invention, the inside of the water tray can be easily cleaned and maintained by opening the water tray.

[0011] The invention according to claim 3 is the invention according to claim 1 or 2.
In the described one, the flexible hose is made of a transparent material.

According to the third aspect of the present invention, since the flexible hose is made of a transparent material, it is determined whether or not the drain is reliably discharged to the outside of the air conditioner main body through the drain pump when performing the test operation of the drain pump. Can be easily checked.

According to a fourth aspect of the present invention, a heat exchanger, a drain pan, and a drain pump unit connected to the drain pan via a flexible hose are provided on the air conditioner main body, and the drain pump unit is connected to the side plate of the air conditioner main body. In the ceiling-suspended air conditioner arranged near the drain pump unit, a drain pump is fixed to the unit main body of the drain pump unit via an anti-vibration rubber, and an outer peripheral portion of the anti-vibration rubber is fixed to the drain pump. A bellows-like groove is formed in the peripheral portion, and an outer peripheral portion of a stopper penetrating the inner peripheral portion comes into contact with a land portion of the bellows-like groove.

According to the fourth aspect of the present invention, a bellows-shaped groove is formed in the inner peripheral portion, and the land portion of the groove is brought into contact with the outer peripheral portion of the stopper, so that the vibration damping effect is enhanced.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, reference numeral 1 denotes an air conditioner main body. The air conditioner main body 1 is hooked on hanging bolts 3 suspended from the ceiling and is installed and fixed on the lower surface of the indoor ceiling plate 5. The air conditioner body 1 has an electrical box 1
1, various devices such as a blower 13, a heat exchanger 15, a refrigerant pipe 29, and the like are stored with almost no gap. The blower 13
As shown in FIG. 2, the motor comprises four blower units 21 to 24, each of which has a rotating shaft 27 driven by one motor 25.
Fixed and arranged.

The heat exchanger 15 is a fin tube type heat exchanger as shown in FIG. 1, and is installed obliquely in the air conditioner main body 1. This heat exchanger 15 has a refrigerant pipe 29
The refrigerant pipe 29 is led out of the air conditioner main body 1 and connected to a compressor of an outdoor unit (not shown), an outdoor heat exchanger, and the like.

Below the heat exchanger 15, a drain pan 31 made of styrene foam is installed as shown in FIG.
A sheet metal panel 33 is provided on the lower surface of the drain pan 31. As shown in FIG. 2, a drain pump unit 35 is connected to the drain reservoir 31a of the drain pan 31 via a flexible hose 32, and the drain pump housed in the drain pump unit 35 has a drain reservoir 3a.
Drain collected in 1a is sucked up and the air conditioner body 1
Drain out of.

As shown in FIG. 1, a suction grille 37 made of resin is installed below the blower 13 so as to be openable and closable, and an air purification filter 39 is attached to the suction grille 37. When the blower 13 is driven, the suction grill 3
The air in the room is sucked into the air conditioner main body 1 through the filter 7 and the filter 39, and the air is heat-exchanged in the heat exchanger 15 and then blown into the room through the outlet 41. Reference numeral 43 denotes a middle partition plate that partitions substantially the center of the air conditioner main body 1 transversely.

This embodiment is characterized by the structure of the drain pump unit 35 shown in FIG. As shown in FIG. 3, the drain pump unit 35
01 and a water pan 102, and the water pan 10
2 is connected to the unit body 101 via a hinge (hook) 103 so as to be openable and closable.
2b is fixed to the unit main body 101 via the screw 104. According to this, by removing the screw 104 and opening the water tray 102, cleaning and maintenance of the inside of the water tray 102 can be easily performed.

The unit body 101 has a vibration-proof rubber 10
5, the drain pump 107 is fixed. As shown in FIG. 4, the anti-vibration rubber 105 has an outer peripheral portion fixed to the pump base 107a of the drain pump 107, and an inner peripheral portion formed with a bellows-like groove 105a. The outer periphery of a sleeve (stopper) 109 penetrating the inner periphery is in contact with the land R of the bellows-like groove 105a. Reference numeral 111 denotes a connecting bolt. According to this, a bellows-like groove 105 is formed in the inner peripheral portion of the vibration isolating rubber 105.
Since a is formed and the land portion R of the groove 105a is brought into contact with the outer peripheral portion of the sleeve 109, the anti-vibration effect is enhanced as compared with the conventional one.

In this embodiment, as shown in FIG. 5, a notch 115 is formed in the side plate 113 of the air conditioner main body 1, and through the notch 115 (particularly, a portion indicated by hatching). In order to connect the drain pump unit 35 to the external drain pipe 117 (see FIG. 6),
It is configured such that the drain pump unit 35 can be temporarily stopped while being suspended from the air conditioner body 1. Specifically, first and second hooks 81 and 83 are formed in the drain pump unit 35, and the first and second hooks 8
When the drain pump unit 35 is permanently fixed to a predetermined position of the air conditioner main body 1, the screw 8 is screwed into place.
It is finally stopped using 5 (imaginary line).

Next, a procedure for connecting the drain pump unit to the external drain pipe and a procedure for connecting the refrigerant pipe will be described with reference to FIG.

The ceiling material 121 has a size of 450 mm × 450 m
A square hole 123 having a size of about m is formed.
Through the connection of the flexible drain pipe 125 to the external drain pipe 117 and the external refrigerant pipe 12
7 is connected to an attached refrigerant pipe 129, which is kept warm by a heat insulating material (not shown).

After introducing the attached drain pipe 125 and the attached refrigerant pipe 129 into the room, the square hole 123
Is covered with a heat insulating material 130.

Next, the air conditioner main body 1 is suspended by the suspension bolts 3 while passing the attached drain pipe 125 and the attached refrigerant pipe 129 into the knockout hole 131 of the air conditioner main body 1 (FIG. 1). 129 and the refrigerant pipe 29 extending from the heat exchanger 15 are connected, and this is kept warm by a heat insulating material (not shown).

Next, the drain pump unit 35 is temporarily fixed to the air conditioner main body 1 in a suspended state, and in this embodiment, the cut-out portion 115 of the side plate 113 of the air conditioner main body 1 (hatched in FIG. The part 133 of the drain pump unit 35 and the attached drain pipe 12
5 (external drain pipe 117), and then the drain pump unit 35 is fixed at a predetermined position of the air conditioner main body 1.

Finally, the drain pump unit 3
5 and the drain pan 31 are connected via a flexible hose 32 (see FIG. 2), which is kept warm with a heat insulating material (not shown), and then the remaining wiring connection and wiring processing are performed. The flexible hose 32 is formed of a transparent material so that the flow of the drain can be confirmed when a test operation of the drain pump 107 is performed, for example.

In this embodiment, the drain pump unit 35 is temporarily fixed to the air conditioner main body 1 in a suspended state, and the cut-out portion 115 of the side plate 113 of the air conditioner main body 1 is provided.
Through this, the pipe 133 of the drain pump unit 35 and the attached drain pipe 125 are connected, so that the connection work of the drain pipe can be easily performed.

Although the present invention has been described based on one embodiment, the present invention is not limited to this. For example, the hanging configuration of the drain pump unit is not limited to the above-described configuration, and can be changed without departing from the spirit of the present invention.

[0031]

According to the first aspect of the present invention, the drain pump unit is temporarily stopped while being suspended from the air conditioner main body, and the drain pump unit is connected to the outside through the cutout portion of the side plate of the air conditioner main body. Since the connection with the pipe is made, the connection work becomes easy.

According to the second aspect of the present invention, the inside of the water tray can be easily cleaned and maintained by opening the water tray.

According to the third aspect of the present invention, since the flexible hose is made of a transparent material, it is determined whether or not the drain is reliably discharged to the outside of the air conditioner main body through the drain pump when the test operation of the drain pump is performed. Can be easily checked.

According to the fourth aspect of the present invention, a bellows-like groove is formed in the inner peripheral portion, and the land of the groove is brought into contact with the outer peripheral portion of the stopper, so that the vibration-proof effect is enhanced.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing an embodiment of an air conditioner according to the present invention.

FIG. 2 is a plan view showing the same internal structure.

FIG. 3 is a sectional view showing a drain pump unit.

FIG. 4 is a cross-sectional view showing a vibration-proof rubber.

FIG. 5 is a view showing a state where the drain pump unit is temporarily fixed to a side plate.

FIG. 6 is a diagram illustrating a procedure for connecting a drain pipe.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Air conditioner main body 11 Electrical box 13 Blower 15 Heat exchanger 35 Drain pump unit 101 Unit main body 102 Water receiving tray 103 Hinge (hook part) 105 Anti-vibration rubber 105a Bellows-like groove 107 Drain pump 109 Sleeve (stopper) 113 Side plate 115 Notch 117 External drain piping

 ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Kazuhiro Hyugano 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Kazunobu Okawa 2-chome, Keihanhondori, Moriguchi-shi, Osaka No. 5 Sanyo Electric Co., Ltd.

Claims (4)

[Claims] An air conditioner main body is provided with a heat exchanger, a drain pan, and a drain pump unit connected to the drain pan through a flexible hose, and the drain pump unit is disposed near a side plate of the air conditioner main body. In the suspension type air conditioner, a cutout portion is formed in the side plate, and the drain pump unit is connected to the air conditioner main body so that the drain pump unit can be connected to an external drain pipe through the cutout portion. A ceiling-mounted air conditioner characterized by being configured to be able to hang on a ceiling. 2. The ceiling-suspended air according to claim 1, wherein the drain pump unit comprises a unit main body and a water receiving tray, and the water receiving tray is hingedly connected to the unit main body and can be opened and closed. Harmony equipment. 3. The ceiling-suspended air conditioner according to claim 1, wherein the flexible hose is made of a transparent material. 4. An air conditioner having a heat exchanger, a drain pan, and a drain pump unit connected to the drain pan via a flexible hose, wherein the drain pump unit is disposed near a side plate of the air conditioner main body. In the suspension type air conditioner, a drain pump is fixed to a unit main body of the drain pump unit via a vibration isolating rubber, and the vibration isolating rubber has an outer peripheral portion fixed to the drain pump and a bellows-shaped inner peripheral portion. A ceiling-mounted air conditioner, wherein a groove is formed, and an outer peripheral portion of a stopper penetrating the inner peripheral portion abuts a land portion of the bellows-shaped groove.