JPH07158891A - Air conditioner - Google Patents

Abstract

PURPOSE:To enable easy washing of a drain pan on the customer side by making the drain pan exposed outside the main body of an air conditioner without impairing an external appearance and by making it possible thereby to remove and fit it simply. CONSTITUTION:In an integral type air conditioner equipped inside with a refrigerating cycle comprising an evaporator, a condenser, a compressor and a pressure reducing device, a blower device for subjecting a condenser device and an evaporator device to heat exchange respectively and a control device for controlling operations of the aforesaid refrigerating cycle and blower device, a drain pan 3 is provided below the condenser and a sub-drain pan 7 below the evaporator 2 respectively. Drain water condensed in the evaporator 2 and the drain water which fails to be evaporated in the condenser are drained into a circulating drain pan 9 fitted removably to the lower part of the air conditioner. This circulating drain pan 9 is designed to have a function of returning the water forcibly to the evaporator 2 to be evaporated and it is provided outside the main body of the air conditioner.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner in which a circulation drain pan provided with a dust removing means can be easily removed from the air conditioner main body for easy cleaning.

[0002]

2. Description of the Related Art In a conventional air conditioner, a drain pan is arranged below an evaporator, and the drain pan is fixed at a predetermined position inside the body so as not to move unintentionally. The drain pan receives the condensed water generated by the operation of the air conditioner and discharges it to the outside of the air conditioner.

[0003]

However, although the condensed water of the air conditioner is collected in the drain pan, dust is mixed in the condensed water although it depends on the use environment. To clean the waste in the drain pan, disassemble the air conditioner and take out the drain pan to clean the drain pan, or forcefully inject clean water into the drain pan to collect condensed water and dust in the drain pan. Is forced to wash away. However, if the air conditioner is not disassembled, the inside of the drain pan may not be cleaned completely and dust may remain, or the water poured for cleaning may remain inside the drain pan. In any case, it was not easy for the customer to clean.

It is an object of the present invention to expose the drain pan to the outside of the main body of the air conditioner so as not to impair its appearance so that the drain pan can be easily attached and detached so that the customer can easily wash it.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to achieve the above object, and includes a refrigeration cycle including an evaporator, a condenser, a compressor and a pressure reducing device, a condenser and an evaporator, respectively. In an integrated air conditioner equipped with a blower for heat exchange and a controller for controlling the operation of the refrigeration cycle and blower described above, a drain pan is arranged below the evaporator and a sub drain pan is arranged below the condenser. A function to drain the drain water condensed in the evaporator and the drain water that could not be evaporated in the condenser to the circulation drain pan that is detachably attached to the lower part of the air conditioner and forcibly return it to the condenser for evaporation. The gist is to arrange the drain pan for circulation outside the air conditioner main body.

[0006]

[Function] By exposing the drain pan of the air conditioner to the outside of the air conditioner body that does not impair the appearance, the customer can confirm the position of the drain pan without disassembling the air conditioner body.
The drain pan is fixed to the lower part of the air conditioner body by a snap fit so that it can be easily and easily attached and detached, so when the customer removes the drain pan, all he / she has to do is remove the snap fit claws and It is not necessary at all, and it can be easily attached and detached because it is fixed by simply inserting it when installing after cleaning.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An air conditioner of the present invention will be described below with reference to the embodiments shown in the drawings. In the figure, 1 is an air conditioner.
The condenser 6 is provided on the inner surface of one side wall of the evaporator, and the evaporator 2 is provided on the inner surface of the other side wall opposite to the condenser 6. A main drain pan 3 is arranged at a lower position of the evaporator 2 so as to receive the drain water generated in the evaporator 2. Then, the drain water received by the main drain pan 3 is sent to the circulation drain pan 9 arranged below the air conditioner body.

A sub-drain pan 7 is provided below the condenser 6.
The sub-drain pan 7 receives the drain water that could not be evaporated in the condenser, and sends the drain water to the circulation drain pan 9 arranged at the lower position.

Reference numeral 4 denotes a drain pump, which sucks the drain water in the circulation drain pan 7 from the drain pump suction port and returns it to the condenser via the water injection pipe 5 by the drain pump.
Let it evaporate.

The air conditioner main body 1 thus constructed is installed on a suitable or movable pedestal B, and an intermediate partition plate 10 is provided between the pedestal B and the air conditioner main body 1, and The air conditioner main body 1 and the gantry B are integrated with the partition plate sandwiched therebetween.
The circulation drain pan 9 is attached to the lower surface of the partition plate 10.

As shown in detail in FIGS. 1 to 3, the circulation drain pan 9 is provided with a dust removing means 12 therein so that the condensed water filtered by the dust removing means 12 is sucked from a drain pump suction port. Eggplant The circulation drain pan 9 is further provided with a weir plate 15, and the circulation drain pan 9 is provided.
Even if the condensed water inside is circulated to the condenser by the drain pump and evaporated, the generated amount of condensed water is larger than this evaporation amount, and when it reaches a predetermined water level, it overflows the weir plate 15 and the drain pan 9 for circulation. Further, the drain tank 21 is used to drain water to the outside through a drain tank or the like to prevent it from accidentally leaking to the outside.

The circulation drain pan 9 is provided with a snap fit 13 and an engaging piece 14 for attaching to a partition plate 10 arranged at the bottom of the air conditioner body 1. One or two or more of the snap fits 13 are provided on one side piece of the circulation drain pan 9, and the engaging pieces 14 are provided on two side pieces that are adjacent to each other and are adjacent to the side piece on which the snap fit 13 is provided. In addition, it is arranged at a position away from the snap fit 13, and the snap fit 13 and the engaging piece 14 horizontally attach the circulation drain pan 9 along the lower surface of the partition plate 10. The middle partition plate 10 is provided with a hooking piece 20 for locking and a hooking hole 16 into which the snap fit 13 is inserted.

Therefore, the integrated air conditioner 1 constructed as described above
When operating, the water content in the air is condensed by the evaporator 2 and drops from the evaporator. This condensed water is the main drain pan 3
And then the condensed water fall position 3a of the drain pan 9 for circulation.
Drop to. Then, the condensed water accumulated in the circulation drain pan 9 is pumped up by the drain pump 4 from the suction port position 4a, and the water is introduced into the condenser 6 to be evaporated. Condensed water that could not be evaporated in this condenser is the secondary drain pan 7.
And the drain 8 for circulation through the conduit 8
Return to exit 8a. By repeating this operation, all the condensed water is evaporated.

At this time, the circulation drain pan 9 is provided with dust removing means 12 so that when the condensed water is circulated between the condenser 6 and the circulation drain pan 9, the dust contained in the condensed water is removed by the dust removing means. Removed at 12. Even if the condensed water in the circulation drain pan 9 is circulated to the condenser by the drain pump 4 and evaporated, the generated amount of condensed water is larger than this evaporation amount, and when the water level reaches a predetermined level, the weir plate 15 is removed. It is possible to prevent the water from overflowing and flowing out from the circulation drain pan 9 through the drainage port 21 to the outside and being accidentally discharged.

A door 11 is attached to the frame B so as to be openable and closable by a hinge and fixed by a magnet or the like.
The drain pan 9 for circulation is detachably provided inside 1
Since the circulation drain pan 9 is hidden by this door 11,
It is not visible from the outside and does not spoil the appearance. Again door 1
Since 1 is fixed to the mount by a magnet or the like, it can be easily opened by pulling it by hand, and the drain pan 9 for circulation pushes up the snap fit 13 from the hook hole 16 of the partition plate 10 and pulls it out. The customer can easily remove the circulation drain pan 9 and wash it. You can

In this way, the circulation drain pan 9 can be exposed to the outside of the body without damaging the appearance, and can be easily removed and cleaned without using a tool.

[0017]

The air conditioner of the present invention includes a refrigeration cycle including an evaporator, a condenser, a compressor and a decompression device, a blower for exchanging heat between the condenser and the evaporator, and the refrigeration cycle described above. In an integrated air conditioner equipped with a control device that controls the operation of the fan and the blower, a drain pan is installed below the evaporator, and a sub-drain pan is installed below the condenser. The drain water that could not be evaporated in the condenser is drained to the circulation drain pan that is detachably attached to the lower part of the air conditioner, and it has a function of forcibly returning it to the condenser and evaporating it. Since it is installed outside the machine body, the drain pan of the air conditioner can be easily removed and cleaned by the customer side, which makes it hygienic, and the drain pan due to the dust contained in the condensed water. It can prevent clogging. Further, since the snap fit is used for attaching the drain pan, there are advantages that the structure can be simplified, and the assembling property can be improved.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of an air conditioner of the present invention.

FIG. 2 is a plan view of a circulation drain pan used in the air conditioner of the present invention.

FIG. 3 is a sectional view of the same.

FIG. 4 is an explanatory view of mounting a circulation drain pan.

FIG. 5 is an external view of the air conditioner of the present invention.

[Explanation of symbols]

 1 Integrated Air Conditioner 2 Evaporator 3 Main Drain Pan 4 Pump 5 Water Injection Pipe 6 Condenser 7 Sub Drain Pan 8 Conduit 9 Circulation Drain Pan 10 Partition Partition 11 Door 12 Garbage Removal Means 13 Snap Fit 14 Engagement 15 Weir Board 16 Catch Hole 20 Hook piece 21 Drainage port

Claims (2)

[Claims] 1. A refrigeration cycle including an evaporator, a condenser, a compressor, and a pressure reducing device, a blower for exchanging heat between the condenser and the evaporator, and operation control of the refrigeration cycle and the blower. In the integrated air-conditioner equipped with a control device, a drain pan was installed below the evaporator and a sub-drain pan was installed below the condenser, and the drain water condensed by the evaporator and the condenser could not be evaporated. The drain water is drained to a circulating drain pan that is detachably attached to the lower part of the air conditioner, and it has a function of forcibly returning it to a condenser and evaporating it, and this circulating drain pan is arranged outside the air conditioner body. An air conditioner characterized by that. 2. The air conditioner according to claim 1, wherein the drain pan for circulation has dust removing means.