JP2002195602A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner capable of preventing the temperature rise of a compressor. SOLUTION: The air conditioner a built-in refrigeration cycle constituted of the compressor 15, a condenser 12, an evaporator 11 and a supply fan 5 or the like. In this air conditioner, a cooling tube 16 for storing a moisture dew formed on the evaporator 11 is arranged in spiral manner arranged in a state in which the tube is contacted with the surface of the compressor 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner for conditioning indoor air, and more particularly, to prevention of temperature rise of a compressor.

[0002]

2. Description of the Related Art Conventionally, this kind of air conditioner has
A refrigerating cycle including a compressor, a condenser, an evaporator, a capillary tube, and the like is built in, and the indoor air sucked into the main body is dehumidified by the evaporator, and the dehumidified air is returned to the room.

[0003] The compressor has a problem that heat is generated by circulating and compressing the refrigerant gas. However, the conventional air conditioner does not consider the temperature rise of the compressor at all, so that it has been operated for a long time. Therefore, there is a disadvantage that the temperature of the compressor increases, and the dehumidifying ability may decrease. In a severe case, the compressor may be overheated and damaged.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned drawbacks, and has as its object to provide an air conditioner capable of preventing a rise in temperature of a compressor.

[0005]

According to the present invention, there is provided a main body having a built-in refrigeration cycle including a compressor, a condenser, an evaporator, a blower fan, and the like, and a body disposed in contact with a surface of the compressor. Cooling means is provided for storing the water condensed in the evaporator and cooling the compressor.

[0006] The cooling means may be a cooling pipe which is spirally disposed in contact with the surface of the compressor and stores moisture condensed in the evaporator.

It is desirable that the lower end opening of the cooling pipe is made to face the outer surface of the main body, and an opening / closing means is provided at the lower end opening of the cooling pipe.

[0008] Further, there is provided a drainage tank which is accommodated in the main body and receives moisture condensed in the evaporator, and the water stored in the cooling pipe is above a predetermined amount at a position corresponding to the upper part of the compressor of the cooling pipe. When this happens, it is preferable to connect a water guide pipe for guiding water to the drainage tank.

Preferably, the cooling pipe is formed of a member having high thermal conductivity.

[0010] The cooling means may be a cylindrical cooling cylinder which contacts the surface of the compressor.

It is preferable that a drain pipe facing the outer surface of the main body is formed below the cooling cylinder, and an opening / closing means is provided at an opening of the drain pipe.

Further, a drain tank is provided for receiving water condensed in the evaporator and stored in the main body, and at a position corresponding to the upper part of the cooling cylinder, the water stored in the cooling cylinder is equal to or more than a predetermined amount. In such a case, it is preferable to connect a water guide pipe for guiding moisture to the drainage tank.

It is preferable that the cooling cylinder is formed of a member having high thermal conductivity.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference numeral 1 denotes a main body case, in which a condenser 12 and an evaporator 11, a blower fan 5, a motor 4, and a compressor 15 constituting a refrigeration cycle (all described later)
Is stored. Reference numeral 2 denotes an operation unit disposed on the upper front of the main body case 1, which controls on / off of a motor 4 described later.

Reference numeral 3 denotes a mounting plate for partitioning the inside of the upper part of the main body case 1 into a front-rear space, and a motor 4 is fixed to the mounting plate 3 and a blower fan 5 is mounted on an output shaft of the motor 4. The mounting plate 3 defines the front space of the main body case 1 as an intake passage 6 and the rear space as an exhaust air passage 7.

Reference numeral 8 denotes a communication hole formed in the center of the mounting plate 3. The communication hole 8 allows the exhaust air path 7 and the intake air path 6 to be formed.
And communicates.

Reference numeral 9 denotes an intake port formed at an upper portion of the front surface of the main body case 1 so as to communicate with the intake air passage 6, and reference numeral 10 denotes an exhaust gas formed at the rear upper surface of the main body case 1 so as to communicate with an exhaust air passage 7. Mouth.

Reference numeral 11 denotes an evaporator disposed in the intake air passage 6 so as to face the intake port 9, and reference numeral 12 denotes a condenser disposed inside the evaporator 11.

Reference numeral 13 denotes a water receiving plate which partitions the inside of the main body case 1 up and down. The water receiving plate 13 receives water in the air condensed in the evaporator 11 and drains the water.
Is formed.

Reference numeral 15 denotes a compressor housed in the lower part of the main body case 1. Reference numeral 16 denotes a cooling pipe having one end connected to a drain hole 14 of the water receiving plate 13, which is helically formed in contact with the surface of the compressor 15. It is arranged. The cooling pipe 16 is formed of a metal having a high thermal conductivity, such as aluminum.

Reference numeral 17 denotes a drain port formed at a lower portion of the front surface of the main body case 1 so that a multi-end of the cooling pipe 16 faces the drain port 17. A stopper 18 made of an elastic material is provided detachably.

Reference numeral 19 denotes a water guide pipe connected to a position corresponding to the upper part of the compressor 15 of the cooling pipe 16, and its open end faces a drainage tank 21 described later.
The water flowing from the drain hole 14 into the cooling pipe 16 is stored, and when the water reaches the connection position of the water pipe 19 or more, the water is discharged from the water pipe 19 to a drain tank 21 described later. It has become.

Reference numeral 20 denotes a storage portion formed at the lower portion of the main body case 1, and a drainage tank 21 is detachably stored in the storage portion 20.

When the motor 4 is driven, the air sucked from the air inlet 9 passes through the evaporator 11, and after the moisture in the air is dewed and dehumidified, the air passes through the condenser 12. The air is guided to the exhaust air passage 7 through the communication hole 8 of the mounting plate 3, and is exhausted as dry air from the exhaust port 10 in the upper part of the main body case 1.

The water in the air condensed in the evaporator 11 falls on the water receiving plate 13 and flows from the drain hole 14 formed in the water receiving plate 13 to the cooling pipe 16. Is gradually stored in the cooled cooling pipe 16 and the compressor 1
5 is cooled.

When the water stored in the cooling pipe 16 becomes higher than the position of the water pipe 19 connected to a position corresponding to the upper part of the compressor 15, the water is transferred from the water pipe 19 to the drain tank 21. Is discharged.

When the air conditioner is not used for a long period of time, the water stored in the cooling pipe 16 can be discharged by removing the plugs 18 provided at the multiple ends of the cooling pipe 16. it can.

According to this configuration, the compressor 15 is cooled by utilizing the moisture condensed in the evaporator 11, thereby preventing the temperature of the compressor 15 from rising, suppressing the vaporization of the refrigerant gas, and improving the dehumidifying capacity. It is possible to prevent the compressor 15 from being lowered.
Can be prevented from being damaged.

The cooling pipe 16 for storing water is connected to the compressor 15
The contact area can be increased and the cooling efficiency of the compressor 15 can be improved.

Since the cooling pipe 16 is formed of a metal having a high thermal conductivity such as aluminum, the cooling efficiency of the compressor 15 can be further improved.

Further, by connecting the water guide pipe 19 to a position corresponding to the upper part of the compressor 15 of the cooling pipe 16, the compressor 1
The water in the cooling pipe 16 can be prevented from overflowing without lowering the cooling efficiency of 5, and the usability can be improved.

Further, the end of the cooling pipe 16 faces the drain port 17 and the end is made openable and closable by the stopper 18, whereby
In the case of non-use for a long period, maintenance, or the like, the water in the cooling pipe 16 can be discharged by removing the plug 18, and the usability can be further improved.

In this embodiment, the end of the cooling pipe 16 faces the drain 17 formed in the front surface of the main body case 1. However, similarly to the water pipe 19, the end of the cooling pipe 16 is connected to a drain tank. Alternatively, the water in the cooling pipe 16 may be drained to the drainage tank 21 by removing the plug 18 of the cooling pipe 16 when not in use for a long time.

Further, in the first embodiment, the cooling pipe 16 is spirally arranged on the surface of the compressor 15 as the cooling means of the compressor 15, but is shown in FIGS. It may be configured as in the second embodiment, and will be described below with reference to the drawings.

The same parts as those in the first embodiment are denoted by the same reference numerals, and the description is omitted.

A connection pipe 22 has one end connected to a drain hole 14 formed in the water receiving plate 13, and has a multi-end facing an upper opening of a cooling cylinder 23 described later.

Numeral 23 denotes a cylindrical cooling cylinder which covers the entire circumference of the compressor 14 over substantially the entire height thereof in contact with the surface of the compressor 15, and a drain pipe 24 is formed at the lower end of the cooling cylinder 23. The drain pipe 24 faces a drain port 25 formed in the rear part of the main body case 1. A plug 26 made of an elastic material such as rubber is provided at an open end of the drain pipe 24.

Numeral 27 designates a water pipe connected to the upper part of the cooling pipe 23.
7, the water stored in the cooling cylinder 23 is guided from the water guide pipe 27 to the drainage tank 21.

According to this configuration, the moisture in the air condensed in the evaporator 11 falls to the water receiving plate 13 and
Of the cooling cylinder 2 from the drain hole 14 formed in the
3, and is gradually stored in the cooling cylinder 23 whose multiple ends are closed by the stopper 26 during use to cool the compressor 15.

When the water stored in the cooling pipe 23 becomes higher than the position of the water pipe 27 connected to the upper part of the cooling pipe 23, the water is discharged from the water pipe 27 to the drainage tank 21.

Therefore, by cooling the compressor 15 by using the moisture condensed in the evaporator 11, it is possible to prevent the temperature of the compressor 15 from rising, to suppress the vaporization of the refrigerant gas, and to prevent the dehumidification ability from decreasing. In addition, the compressor 15 can be prevented from being damaged.

The cooling cylinder 23 for storing water is provided with a compressor 15
Is formed in a cylindrical shape that covers the entire circumference over almost the entire height, so that the contact area between the cooling cylinder 23 and the compressor 15 increases, and the cooling efficiency of the compressor 15 can be further improved.

Further, by forming a water guide pipe 27 at a position corresponding to the upper part of the compressor 15 of the cooling cylinder 23, the compressor 1
The water in the cooling cylinder 23 can be prevented from overflowing without lowering the cooling efficiency of 5, and the usability can be improved.

Further, the end of the cooling cylinder 23 faces the drain port 25, and the end is made openable and closable with the stopper 26.
In the case of non-use for a long period or in the case of maintenance or the like, the water in the cooling cylinder 23 can be discharged by removing the plug 26, and the usability can be further improved.

It is desirable that the cooling cylinder 23 is also formed of a metal having a high thermal conductivity such as aluminum, as in the first embodiment.

[0046]

According to the first aspect of the present invention, the compressor is cooled by utilizing the moisture condensed in the evaporator, thereby preventing a rise in the temperature of the compressor and suppressing the vaporization of the refrigerant gas. It is possible to prevent a decrease in the dehumidifying capacity and also prevent damage to the compressor.

According to the second aspect of the present invention, by arranging the cooling pipe for storing moisture spirally on the surface of the compressor, the contact area can be increased and the cooling efficiency of the compressor can be improved.

Further, according to the third aspect of the present invention, the water stored in the cooling pipe can be discharged by opening the opening / closing means at the time of long-term non-use or maintenance, and the usability can be improved. .

According to the fourth aspect of the present invention, the water in the cooling pipe overflows without lowering the cooling efficiency of the compressor by connecting the water guide pipe to the cooling pipe at a position corresponding to the upper part of the compressor. Can be prevented, and usability can be improved.

Further, according to the fifth aspect of the present invention, the cooling effect of the compressor can be further enhanced by forming the cooling pipe with a member having high thermal conductivity.

According to the sixth aspect of the present invention, the cooling means includes:
By providing a cylindrical cooling cylinder that contacts the surface of the compressor, the contact area between the cooling cylinder and the compressor is increased, and the cooling efficiency of the compressor can be further improved.

According to the seventh aspect of the present invention, the water stored in the cooling cylinder can be discharged by opening the opening / closing means at the time of long-term non-use or maintenance.
Usability can be improved.

Further, according to the eighth aspect of the present invention, by connecting the water pipe to the upper part of the cooling cylinder, it is possible to prevent the water in the cooling cylinder from overflowing without lowering the cooling efficiency of the compressor. , The usability can be improved.

Further, according to the ninth aspect of the present invention, the cooling effect of the compressor can be further enhanced by forming the cooling cylinder with a high thermal conductivity member.

[Brief description of the drawings]

FIG. 1 is a front view of a main body showing an embodiment of the present invention.

FIG. 2 is a longitudinal sectional view of the same.

FIG. 3 is a cross-sectional view of a principal part showing another embodiment.

FIG. 4 is a sectional view of the cooling cylinder.

FIG. 5 is a sectional view showing a state in which water is stored in the cooling cylinder.

FIG. 6 is a cross-sectional view showing a state in which water in the cooling cylinder becomes equal to or more than a predetermined amount and flows into a water guide pipe.

FIG. 7 is a sectional view showing a state in which water in the cooling cylinder is discharged from the drain pipe.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body case (main body) 4 Motor 5 Blow fan 11 Evaporator 12 Condenser 15 Compressor 16 Cooling pipe 17 Drain port 18 Plug (opening / closing means) 19 Water pipe 21 Drain tank 23 Cooling cylinder 24 Drain pipe 25 Drain port 26 Plug ( Opening / closing means) 27 Water pipe

Claims (9)

[Claims] 1. A main body having a built-in refrigeration cycle including a compressor, a condenser, an evaporator, a blower fan, and the like, and a body disposed in contact with a surface of the compressor to remove moisture condensed by the evaporator. An air conditioner comprising cooling means for storing and cooling the compressor. 2. The cooling means according to claim 1, wherein said cooling means is a cooling pipe which is spirally disposed in contact with a surface of said compressor and stores moisture condensed by said evaporator.
The air conditioner as described. 3. The air conditioner according to claim 2, wherein the lower end opening of the cooling pipe faces the outer surface of the main body, and an opening / closing means is provided at the lower end opening of the cooling pipe. 4. A water storage tank, which is accommodated in the main body and receives water condensed in an evaporator, wherein the water stored in the cooling pipe is above a predetermined amount at a position corresponding to the upper part of the compressor of the cooling pipe. The air conditioner according to claim 2 or 3, wherein a water guide pipe for guiding moisture is connected to the drainage tank when the water tank is turned off. 5. The air conditioner according to claim 2, wherein the cooling pipe is formed of a member having high thermal conductivity. 6. The cooling means according to claim 1, wherein said cooling means is a cylindrical cooling cylinder in contact with a surface of said compressor.
The air conditioner as described. 7. The air conditioner according to claim 6, wherein a drain pipe facing the outer surface of the main body is formed below the cooling cylinder, and an opening / closing means is provided at an opening of the drain pipe. . 8. A drain tank which is housed in the main body and receives moisture condensed in an evaporator, wherein a water amount stored in the cooling cylinder is equal to or more than a predetermined amount at a position corresponding to an upper part of the cooling cylinder. A water guide pipe for guiding water is connected to the drainage tank when the water is drained.
The air conditioner according to item 1. 9. The air conditioner according to claim 6, wherein the cooling cylinder is formed of a high thermal conductivity member.