JPS63243643A - Drainage treatment device of air conditioner - Google Patents

Abstract

PURPOSE:To discharge atomized fog efficiently by a method wherein an atomizer, a heating device, and a water level detecting means are installed at a water pan placed at the lower part of a heat exchanger at the outdoor side and atomized fog is guided to the opening part of a guide wall stepped at the lower surface of the casing of an air blower at the outdoor side. CONSTITUTION:When the temp. of defrosted water 20 recovered in a water pan 15 reaches 0 deg.C or less particularly at the time of space heating operation, electricity is supplied to a heating means 19 by the signal of a water temp. detecting means 24 and the water is heated to about 2 deg.C to be prevented from freezing. When the water level of the water 20 increases and reaches a water level detecting means 21, fog A is discharged from an ejecting port 23 by the operation of the oscillator 22 of an atomizer 18 and passes through a heat exchanger 13 at the outdoor side from the opening of a guide wall 27 stepped at the lower surface of the casing of an air blower at the outdoor side and then is accelerated by ejecting air from an ejecting port at the outdoor side of a mainbody to be scattered far away. Thus, drain water generated at the time of space cooling operation and defrosting water generated at the time of space heating operation can be scattered far away in the form of fog without being stagnated near the outdoor side of the mainbody.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention is applicable to drain water generated from an indoor heat exchanger during heat exchange of indoor air during cooling, and to outdoor heat exchange during a defrosting cycle during heating. This relates to the treatment of water generated by melting frost that has adhered to vessels.

BACKGROUND OF THE INVENTION Generally, when air is cooled by an indoor heat exchanger, moisture in the air condenses to form drain water.

One method for discharging this drain water outdoors is to make it into a mist using a sprayer and discharge it outdoors.

An example of the conventional air conditioner mentioned above will be described below with reference to the drawings.

FIG. 5 is a side view showing a conventional air conditioner installed in a window, where 1 is the main body of the air conditioner and 2 is a fog. Figure 8 shows the conventional air conditioner body 1 (hereinafter referred to as body 1) of Figure 7.
3 is an indoor heat exchanger, 4 is a water tray, and 5 is a cross-sectional view of
is a sprayer, 6 is a discharge port, and 7 is an outdoor heat exchanger.

Drain water treatment of the air conditioner configured as above will be explained.

First, in FIG. 6, dew generated from the indoor heat exchanger 3 by heat exchange with the indoor air is collected in the water tray 4, turned into dew by the sprayer 5, and then discharged from the discharge port 6 to the outdoors. be scattered. That is, as shown in FIG. 7, fog 2 is scattered outside from the main body 1 installed in the window.

However, in the above configuration, the particles of the mist 2 generated by the atomizer 5 have only a small initial velocity given by the vibrator of the atomizer 5, and the particles in the chamber of the main body 1 There was a problem in that the smoke remained near the outside, giving the user a sense of uneasiness as if the smoke was being generated due to equipment failure.

Further, in the defrosting cycle during heating, water generated by melting frost adhering to the outdoor heat exchanger 7 cannot be turned into mist and discharged outdoors in winter.

In view of the above-mentioned problems, the present invention atomizes drain water generated during cooling operation and molten water generated during the snow removal cycle during heating operation into a mist, and causes the mist to remain in the vicinity of the outdoor side of the main body 1 in the form of smoke. To provide an air conditioner that can discharge air to the outdoors without any air pollution.

Means for Solving the Problems In order to solve the above points, the air conditioner of the present invention includes an outdoor heat exchanger and air that passes through the outdoor heat exchanger and is heat-exchanged. an outdoor side blower for sending air to the outdoors from an outdoor air outlet of the machine body (hereinafter referred to as the main body);
a water tray disposed below the outdoor heat exchanger and extending below the outdoor outlet of the main body; a sprayer provided below the outdoor air outlet, a guide wall that communicates from the sprayer outlet to an opening provided with a step on the lower surface of the outdoor fan's casing; and a guide wall that communicates with the water collected in the water tray. and a detection means for detecting the water surface height of the water collected in the water tray.

Effect of the Invention With the above-described configuration, the present invention collects condensed water generated during cooling or water generated by melting frost adhering to the outdoor heat exchanger during defrosting during heating into a water tray, and collects this water. When the collected water temperature is below 0°C, the heating means is activated to prevent the collected water from freezing. Based on the signal that detects the water surface height of the water collected in the water tray, the sprayer can be operated and sprayed along the guide wall into the casing of the outdoor fan. Due to the interaction between the outdoor fan and the guide wall, the blown air that passes through the outdoor heat exchanger can accelerate the particles while maintaining stable and uniform particles, which are then collected from the main body into the outdoor water tray. Water can be discharged as a mist.

EXAMPLE Hereinafter, an air conditioner according to an example of the present invention will be described with reference to the drawings.

FIG. 1 shows a schematic perspective view of an air conditioner according to an embodiment of the present invention, in which 11 is an air conditioner main body (hereinafter referred to as main body 11), 12 is an indoor heat exchanger, and 13 is an outdoor heat exchanger. ,
14 is an outdoor blower, 15 is a water tray, and 16 is a dew tray.

FIG. 2 is a rear view of the air conditioner shown in FIG. 1, in which 17 is an outdoor air outlet, 18 is a sprayer, and 19 is a heating means.

3 shows a partially cutaway side view of the same air conditioner shown in FIG. 1, and FIG. 4 shows an enlarged view of essential parts of the same air conditioner shown in FIG. 3. In the figure, 20 is the water collected in the water tray, 21 is a detection means for detecting the water surface height of the water 20 collected in the water tray 15, 22 is the vibrator of the sprayer 18, and 23 is the jet hole of the sprayer 18. , 27 is a guide wall that communicates from the spout 23 to the ventilation passage.

FIG. 5 is a flowchart showing the operating conditions and stop conditions of the heating means 19 and the sprayer 18 in the same air conditioner, and FIG. 6 is a flowchart showing the control circuit of the heating means 19 and the sprayer 1B in the same air conditioner. In the figure, 24 is a center for detecting the temperature of the water 2o collected in the water tray 15, 25 is a first control device, and 26 is a second control device for driving the sprayer 1B.

The operation of the air conditioner configured as above will be explained below using FIGS. 1 to 6.

First, considering the cooling operation, dew condensed on the fin surface of the indoor heat exchanger 12 is collected in the dew pan 16, drips onto the fin surface of the outdoor heat exchanger 13, and then collected in the water pan 15. Ru.

Next, considering the heating operation, the outdoor heat exchanger 13 functions as an evaporator, causing frost to adhere and grow on the fin surface.
For example, when the pipe temperature of the outdoor heat exchanger 13 falls below a certain value, defrosting operation is started, and the frost melts and the outdoor heat exchanger 1
Water is stored in a water tray 15 disposed below 3.

Especially when considering heating operation, there is a risk that the water collected in the water tray 15 may freeze at a water temperature of 0° C. or less. is provided, and the water temperature of the water 2o is, for example, 0.
°C or lower, the relay contact 2B in the first control device 25 is closed to energize the heating means 19 as shown in FIG. 6, and then, for example, when the water temperature of the water 20 reaches 2 °C By turning off the electricity, the water 2o once poured into the water tray 15 can be heated and prevented from freezing.

On the other hand, when water 2o is gradually collected in the water tray 15 and the water surface height gradually increases, due to capillary phenomenon, the water tray 1
When the water in the spout hole 23 of the sprayer 18, which is at a higher water surface height than the water surface height of the water 20 collected in step 5, is at a height where it can be sprayed by the vibration of the vibrator 22 of the sprayer 18, the water receiving tray 15 is provided with a detection means 21 for detecting the water surface height of the collected water 20, that is, in FIG. 6, a second control device 26 closes the contact of the detection means 21 and drives the sprayer 1B.
The mist A can be sprayed by energizing the sprayer 1B and operating the sprayer 1B. Furthermore, after passing through the outdoor III heat exchanger 13 by the outdoor side blower 14, the main body 11
By accelerating the mist A discharged through the guide wall 27 by the blown air shown by the arrow sent out from the outdoor outlet 17 of the main body 11, the mist A is scattered far away without staying near the outdoor side of the main body 11. be able to.

Further, a flowchart regarding a series of operations of the heating means 19 and the sprayer 18 described above is as shown in FIG.

Effects of the Invention As described above, the present invention includes an outdoor side blower for sending air that has passed through the outdoor heat exchanger to the outdoors from an outdoor side outlet of the main body, and an outdoor side blower disposed below the outdoor side heat exchanger. and a water tray extending below the outdoor air outlet of the main body;
In order to convert the water collected into the water tray into kilowatts, a sprayer is provided below the outlet of the main body, and a guide wall is provided that communicates from the outlet of the sprayer to an opening provided with a step on the lower surface of the casing of the outdoor fan. As a result, the air blown out from the outdoor air outlet can accelerate the mist that has passed through the guide wall, and can scatter the tremors far away without accumulating them near the outdoor side of the main body. Moreover, by covering the ejection hole of the sprayer with a guide wall, stable and uniform particles can be obtained, and it is also effective in reducing abnormal noise.

Furthermore, the heating means for heating the water collected in the water tray can prevent the water collected in the water tray from freezing even in winter, and the height of the water surface of the water collected in the water tray can be detected. By providing a detection means, it is possible to eliminate dry running of the sprayer, which can be prevented not only during summer cooling but also during winter heating when the outside temperature is below O'C due to the defrosting cycle. Water can be turned into mist and drained from the main unit.

[Brief explanation of the drawing]

FIG. 1 is a schematic perspective view showing the internal configuration of an air conditioner according to an embodiment of the present invention, FIG. 2 is a rear view of the air conditioner,
Fig. 3 is a partially cutaway side view of the air conditioner, Fig. 4 is an enlarged view of main parts showing the side view of the air conditioner, and Fig. 5 is a diagram of the heating means and sprayer in the wastewater treatment equipment. A flowchart showing the operation, Fig. 6 is an electric circuit diagram for controlling the heating means and sprayer in the wastewater treatment equipment, Fig. 7 is a side view showing a conventional air conditioner installed in a window, and Fig. 8 is the same. It is a longitudinal cross-sectional view of an air conditioner. 11...Air conditioner body, 13...Outdoor heat exchanger, 14...Outdoor blower, 15.
...Water tray, 17...Outdoor outlet, 18.
... Mountain sprayer, 19 ... Heating means, 21 ...
... Water surface height detection means, 22 ... Vibrator of the sprayer, 23 ... Spout hole of the sprayer, 24 ... Water temperature detection means, 27 ... Guide wall. Name of agent Patent attorney Toshi Nakao Haga 1 person 13
-1 Kin i57 Tougai U1 year Ichibunsho Rodasha Yu≧≦;/,
5-Water saucer 18-Top-juryo z7- Plan N receiver-(V) size ′++ N1 ＼ ＼ Ka5 Fig. 6 Fig. 2g Fig. 7 Fig. 8y [Bu'

Claims (1)

[Claims] an outdoor side heat exchanger, an outdoor side blower for sending the heat-exchanged air that passes through the outdoor side heat exchanger to the outdoors from an outdoor side outlet of the air conditioner main body; A water tray is provided below and extends below the outdoor air outlet of the air conditioner main body, and a water tray is installed in the air conditioner main body to atomize the water collected in the water tray. A sprayer provided below the outer air outlet, a guide wall that communicates from the sprayer's outlet to an opening provided with a step on the lower surface of the casing of the outdoor blower, and heats the water collected in the water tray. A wastewater treatment device for an air conditioner, comprising a heating means and a detection means for detecting the height of the water surface of the water collected in the water tray.