JPS6117842A - Condensed water disposal device for integral type air-conditioning machine - Google Patents

Abstract

PURPOSE:To contribute the condensed water for the promotion of heat exchanging effect in the case of high load and prevent generation of scattering sound of the condensed water in the case of low load by a method wherein the contraction and expansion of a bellows, provided at one end of a pipeline, is utilized for the opening and closing of a plug. CONSTITUTION:When room cooling operation is effected under the high load, high- pressure refrigerant is sent from a compressor 7 into the bellows 15 through the pipeline 14. The bellows 15 is expanded by the high pressure and a piston 17, attached to one end of the bellows 15, is pushed forward in accordance with the expansion, while the plug 18 is pushed out forwardly at the same time, whereby the condensed water is stored on a base plate 1. Subsequently, when a temperature is returned to a standard temperature condition, the pressure of the refrigerant, sent into the bellows 15, is reduced, therefore, the bellows 15 is contracted and the plug 18 is pulled back whereby the refrigerant flows to the outside of the bellows. Owing to this method, shortage of capacity caused by the high load during room cooling operation can be eliminated and the scattering effect of the condensed water is stopped upon low load thereby eliminating the noise of scattering condensed water accordingly.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention is an air conditioner in which the heat exchange rate is improved by slingering. The present invention relates to a condensed water treatment device that controls the flow rate to a heat radiating heat exchanger (hereinafter referred to as a condenser).

Conventional configuration and its problems Traditionally, this type of integrated air conditioner was as shown in Figure 1.
It was composed of a condenser 101, an evaporator 102, and the like.

Conventionally, integrated air conditioners have improved the performance of the condenser 101 by scattering condensed water generated during cooling operation to the condenser 101 using a slinger ring (not shown) provided on the outdoor fan 103. I was measuring.

However, in this structure, condensed water is always scattered by slingering, regardless of when the condenser 101 requires capacity under high load or when the condenser does not require capacity under low load.

When this condensed water is scattered, it collides with the condenser 101, causing noise, and when the outdoor fan 103 or slinger ring stirs up the condensed water, unnecessary condensation occurs at low loads. Conventional methods have had the disadvantage of lacking in quietness, as they produce a lot of noise due to water splashing.

OBJECTS OF THE INVENTION The present invention aims to eliminate the above-mentioned drawbacks of the prior art, and aims to improve quietness.

Structure of the Invention In order to achieve this object, the present invention provides an air guider with a flow rate control device that dams up condensed water from a drain hose, and connects this flow rate control device with an opening provided at a joint with a substrate in the air guider. , a stopper that opens and closes this opening;
It consists of a drive unit that opens and closes the stopper, and a seal plate that is installed on the stopper and seals the stopper and the opening.The drive unit also includes a high-pressure pipe located between the compressor and the evaporator. A branched pipe (hereinafter referred to as a branch pipe) is provided, a bellows is provided at one end of the pipe, and the expansion and contraction of the bellows is used to open and close the stopper.

With this configuration, in the case of high load, the drive part opens the stopper and allows the condensed water to contribute to the promotion of heat exchange, and in the case of low load, the drive part closes the stopper and allows the condensed water to This prevents the condensed water from flowing to the condenser side, thereby preventing the sound of splashing condensed water.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 2 to 5.

First, the configuration of the integrated air conditioner will be explained with reference to FIGS. 2 and 3.

In the figure, 1 is a board of an integrated air conditioner. On this substrate 1, an evaporator 2, a condenser 3, an indoor fan 5 driven by a fan motor 4, an outdoor fan 6 having a nulling ring 6a, and a compressor 7, which constitute a well-known refrigeration cycle, are arranged. has been done. Reference numeral 8 denotes an air guider on the outdoor side that is welded and fixed to the substrate 1. An opening 9 is provided in a part of the air guider 8, and a flow rate control device 10 that controls the flow rate of condensed water to the condenser side is provided in this opening 9. .

Reference numeral 11 denotes a drain port provided to protrude from the substrate 1 by a certain height, and adjusts the water level of condensed water stored by the flow rate control device 10. Further, as a driving part of the flow rate control device 10, a high pressure pipe 12 is provided which connects the compressor 7 and the condenser 3, and a connection part 13 is provided in the middle of the high pressure pipe 12.
A branch pipe 14 is provided through the pipe. This branch pipe 14 is connected to one end of a bellows 15, and this bellows 15 is fixed by a fixing base 16. A piston 17 is provided at the other end of the bellows 15, and a plug 17 is provided at the other end of the piston 17 for opening and closing the opening 9.
8 is provided, and a sealing material 19 is attached to this plug 18 to improve the sealing performance with the opening 9. The drive section of the flow rate control device 10 is arranged to correspond to the opening 9.

Next, in the above configuration, the operation of the flow rate control device 10 will be explained using FIG. 4 and FIG. 5.

First, when the integrated air conditioner is operated for cooling under high load, high-pressure refrigerant is energized from the compressor 7 to the high-pressure pipe 12 and then sent into the bellows 15 via the branch pipe 14. It will be done. Due to this high pressure, the bellows 15 expands, and the piston 17 attached to one end of the bellows 15 is pushed forward, and at the same time, the plug 18 attached to one end of the piston 17 also pushes forward. By being pushed out, the opening 9 is closed and the condensed water is collected on the substrate 1.

Next, when the standard temperature condition returns, the refrigerant from the compressor 7 at a high pressure lower than that at high load is energized through the high-pressure pipe 12, and further is pumped into the bellows 15 via the branch pipe 14. . When the bellows 15 contracts because the high pressure is reduced compared to when the load is high, the plug 1 attached to one end of the bellows 15 contracts.
8 is also pulled back. This opens the opening 9 and the condensed water flows out of the air guider 8.

Next, the flow of condensed water will be explained. Condensed moisture in the indoor air adhering to the evaporator 2 is collected in a water tray 20. This condensed water passes through the drain hose 21 to the air guider 8.
Flows to the side. During cooling operation, when the outside air temperature is high and the refrigeration cycle is under high load or is likely to be under high load, the flow control device 10 is in a state where the stopper 18 is opened as shown in FIG.

Therefore, the opening 9 of the air guider 8 is opened and the condensed water flows to the condenser 3 side, and the slinger ring 6a of the outdoor fan 6
is scattered to the condenser 3 by the

This cools the condenser 3 and improves its capacity.

During cooling operation, when the outside air temperature is low and the load is low, the flow rate control device 10 closes the plug 18 as shown in FIG.
becomes closed.

Therefore, the opening 9 of the air guider 8 is closed and the flow toward the condenser 3 is blocked. In this state, when the water level of the condensed water exceeds the set water level, it is drained out of the air conditioner through the drain port 11, so that the water level is always maintained at a constant level. Therefore, under low load conditions when splashing of condensed water is unnecessary, the condensed water does not flow toward the outdoor side fan 6, which prevents noise caused by splashing of condensed water and improves quiet operation. .

Effects of the Invention As described above, the present invention compensates for the lack of condensing capacity during high loads during cooling operation by using the scattering action of condensed water. By stopping the splashing effect of water, it is possible to eliminate the noise that conventionally occurs continuously regardless of whether the load is low or high, resulting in improved silence. Moreover, since the plug that controls the flow rate of condensed water is driven by high pressure from the compressor, there is no need for manual operation, which improves usability.

[Brief explanation of drawings]

Figure 1 is a plan sectional view of a conventional integrated air conditioner;
Fig. 2 is a partially cutaway perspective view of an integrated air conditioner with the outer box removed showing an embodiment of the present invention; Fig. 3 is a perspective view of the condensed water treatment device portion of the air conditioner; 4 is a cross-section of the main part taken along line A-A in FIG. 3 at a low load time. FIG. 5 is a diagram corresponding to FIG. 4 showing the operating state of the condensed water treatment device at a high load time. 1...Substrate, 2...Evaporator, 6...
...Outdoor fan, 6a...Slinger ring, 8...Air guider, 9...Opening, 1
0...Flow control device, 15. Old...Bellows,
17...Piston, 18...Bung, 20
・・・・・・The water tray is a plate, 21・・・・・・Drain horn. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 2 Figure 3 Figure 4 Figure 5

Claims (1)

[Claims] A water tray, a drain hose that communicates the lower part of the evaporator and the lower part of the outdoor fan, an outdoor fan equipped with a slinger ring, and an air guider for the outdoor fan are provided on the board of the integrated air conditioner, respectively; Furthermore, a flow rate control device is constituted by a bellows having a piston whose one end communicates with the high pressure part of the refrigeration cycle of the air conditioner and which is fixed to the air conditioner structure and has a plug at the other end. A condensed water treatment device for an integrated air conditioner, wherein the air guider is provided with the plug, and the plug is arranged to correspond to an opening provided in a part of the air guider.