KR100728346B1 - Power saving air conditioner - Google Patents

Abstract

A power saving air conditioner is provided to separately mount evaporators at upper and lower parts of an indoor unit and control the same independently, thereby reducing volume of the indoor unit and power consumption. A power saving air conditioner includes an indoor unit having a case(10) formed with a plurality of suction/discharge gates(40a-40c) and mounted with a plurality of heat exchangers(20a,20b) inside for generating chilled air via heat exchange between atmospheric air and refrigerant. A plurality of slim fans(80a,80b) are disposed in the lengthwise direction in the case driven to inhale air into the case via the suction gates or discharge the chilled air to the outside via the discharge gates, wherein the heat exchangers are disposed in the vertical direction, facing the slim fans respectively.

Description

Power Saving Air Conditioner

1 is a schematic configuration diagram of an air conditioner according to the prior art,

Figure 2 is a cross-sectional view schematically showing an indoor unit of the air conditioner according to the prior art,

3 is a schematic configuration diagram of a power saving air conditioner according to the present invention;

4 is a cross-sectional view schematically showing an indoor unit of a power saving air conditioner according to the present invention;

5 is a front view schematically showing an indoor unit of a power saving air conditioner according to the present invention;

6 is a plan view schematically illustrating an indoor unit of a power saving air conditioner according to the present invention.

-Explanation of symbols for the main parts of the drawings-

10: case 20a, 20b: heat exchanger

30a, 30b: housing 40a, 40b, 40c: suction gate

50a, 50b, 50c, 50d: discharge gate 80a, 80b: slim fan

110: first compressor 120: second compressor

130: first room 140: second room

150: outdoor unit 160: first solenoid valve

170: second solenoid valve 180: solenoid valve

190: Accumulator 200,210: Check valve

The present invention relates to an air conditioner, and more particularly, to install an evaporator provided in the indoor unit in the upper and lower ends and to control each independently to save energy, at the same time energy-saving air conditioning that can significantly reduce the volume of the indoor unit It is about the flag.

In general, an air conditioner is composed of a compressor, a condenser, an expansion valve, a heat exchanger, and the like.

Here, the refrigerant discharged from the compressor has a circulation structure flowing back to the compressor via a condenser, expansion valve, heat exchanger, the components are connected to each other by a pipe.

Specifically, the compressor is a device for converting the refrigerant into a gas of high temperature and high pressure, the condenser is a device for liquefying the gas of high temperature and high pressure, the expansion valve expands the refrigerant to a spray state at low temperature and low pressure to facilitate heat exchange, The heat exchanger is a device that controls the degree of expansion of the refrigerant, the heat exchanger is a device for generating cold air by heat-exchanging the cold refrigerant on the pipe and the internal air introduced by the fan with each other.

On the other hand, the separate air conditioner is composed of an indoor unit and an outdoor unit, the indoor unit is provided with a heat exchanger (evaporator), the outdoor unit is provided with a compressor, a condenser and an expansion valve.

1 is a schematic configuration diagram of an air conditioner according to the prior art, and FIG. 2 is a cross-sectional view schematically showing an indoor unit of the air conditioner according to the prior art. Referring to the conventional air conditioner, FIGS. 1 and 2 As shown, the first compressor 300 and the second compressor 310, which are configured to compress the refrigerant, are connected to the outdoor unit 340 with check valves 320 and 330 interposed therebetween along the pipe, and the outdoor unit 340 The pipe extending from the solenoid valve 350 is interposed between the indoor unit 360, and the pipe extending from the indoor unit 360, the accumulator 370 between the first compressor (300) and again It is connected to the second compressor 310 to form a closed circuit to perform a cooling function through a cooling cycle.

In addition, the indoor unit 360 of the air conditioner according to the prior art includes a case 361 in which the suction gate 364 and the discharge gate 365 are formed, a heat exchanger 362 and a fan 363 provided inside the case. Etc.) In addition, a plurality of flaps 366 are formed in the discharge gate 365 to adjust the wind direction of air up and down.

An indoor unit having such a structure, when the fan 363 is operated, air is introduced into the case 361 through the suction gate 364 located at the bottom of the case 361, and the air introduced into the case 361 is provided. Heat exchanges with the cool refrigerant inside the heat exchanger 362 to generate cold air, and the generated cold air passes through the fan 363 to the case 361 through the discharge gate 365 located above the case 361. ) It is discharged to the outside.

However, although the conventional air conditioner selects and uses the capacity of the compressor according to the capacity of the indoor unit, even when only one compressor is operated in a power saving mode, the indoor unit uses a heat exchanger having the same capacity, thereby reducing efficiency.

In addition, the indoor unit of the conventional air conditioner is limited to the discharge direction of the cold air in one direction, the cooling radiator efficiency is reduced due to the long time required for cooling as the discharge radius of the cold air is narrowed, reducing the reliability of the consumer There was this.

In addition, since the indoor unit of the conventional air conditioner has a relatively large size of the fan and the fan housing accommodating the fan, the width of the case is increased, thus making it difficult to implement a slimming indoor unit required by consumers.

The present invention was created in order to solve the above problems, and installed separately in the upper and lower evaporator provided in the indoor unit, and control each independently to save energy, at the same time energy-saving can significantly reduce the volume of the indoor unit The purpose is to provide an air conditioner.

In order to achieve the above object, a power-saving air conditioner according to the present invention includes: first and second compressors for compressing a refrigerant by operating independently or simultaneously; An outdoor unit connected to the first and second compressors along a pipe; And first and second rooms connected to each other with the first and second solenoid valves interposed therebetween by branching pipes extending from the outdoor unit to control the flow of the refrigerant in association with the operation states of the first and second compressors. While the cooling cycle is made, including the first chamber and the second chamber, the case has a plurality of suction gates on the rear or front and a plurality of discharge gates on both sides; A plurality of heat exchangers for generating cold air by heat-exchanging the cool refrigerant on the pipe inside the case and the outside air introduced into the case; And a plurality of slim fans configured to drive air into the case through the suction gates or discharge cold air generated by the heat exchanger to the outside of the case through the discharge gates. The slim fans are provided along the longitudinal direction of the case so as to slim down the width, and the heat exchangers are disposed in the vertical direction so as to face the slim fans, respectively.

According to the present invention, the slim fans are sirocco fan type or turbo fan type, and the width thereof is 2/3 to 1/3 compared to the conventional sirocco fan or turbo fan.

Hereinafter, with reference to the accompanying drawings, the present invention will be described in detail.

Figure 3 is a schematic configuration diagram of a power saving air conditioner according to the present invention, Figure 4 is a cross-sectional view schematically showing the indoor unit of the power saving air conditioner according to the present invention, Figure 5 is a power saving air conditioner according to the present invention 6 is a front view schematically showing an indoor unit of FIG. 6 is a plan view schematically showing an indoor unit of a power saving air conditioner according to the present invention.

In the power saving air conditioner according to the present invention, as shown in FIG. 3, the first compressor 110 and the second compressor 120 which compress the refrigerant by operating independently or simultaneously, respectively, check valves 200 and 210 along the pipe. It is connected to the outdoor unit 150 in between.

In addition, the pipe extending from the outdoor unit 150 is branched to the first solenoid valve 160 and the first to regulate the flow of the refrigerant in conjunction with the operating state of the first compressor 110 and the second compressor 120 and the first The two solenoid valves 170 are interposed between the first chamber 130 and the second chamber 140, respectively, and the pipes extending from the first chamber 130 and the second chamber 140 are accumulators 190. It is configured to be connected to the first compressor 110 and the second compressor 120 and to form a closed circuit with a space between them, so that one cooling cycle is achieved.

Meanwhile, another pipe extending from the pipe connected to the accumulator 190 has a pipe extending from the outlet side of the first compressor 110 and the second compressor 120 with a separate solenoid valve 180 therebetween. Connected with

Here, the first compressor 110 and the second compressor 120 having different capacities may be operated either at the same time or at the same time according to load changes indoors and outdoors, and the refrigerant flows in conjunction with the operation state of the compressor described above. The solenoid valve for intermittent (flow) means any one of the first chamber 130 or the second chamber 140 when only one compressor of the first compressor 110 or the second compressor 120 is operated. This means that power saving cooling operation is performed by closing one of the solenoid valves of the first solenoid valve 160 or the second solenoid valve 170 so that the refrigerant flows only in one indoor unit.

On the other hand, as shown in Figures 4 to 6, the slim first indoor unit 130 and the second indoor unit 140 of the power-saving air conditioner according to the present invention, respectively, a case 10, a plurality of heat exchangers (20a, 20b) ), And a plurality of slim fans 80a and 80b.

First, the case 10 has a plurality of suction gates 40a, 40b, and 40c at the rear or front and a plurality of discharge gates 50a, 50b, 50c and 50d at both sides.

In an embodiment, the case 10 has suction gates 40a, 40b, 40c on the rear side and discharge gates 50a, 50b, 50c, 50d on both sides. However, the case 10 may have suction gates 40a, 40b, and 40c on the front surface thereof.

The suction gates 40a, 40b, and 40c are preferably arranged at the top and the bottom of the slim fans 80a and 80b on the front or rear side of the case 10.

In the figure, the suction gates 40a, 40b, 40c are arranged to sandwich the respective slim fans 80a, 80b on the rear of the case 10.

The discharge gates 50a, 50b, 50c, and 50d are arranged to correspond to the respective slim fans 80a and 80b on both sides of the case 10.

According to the present invention, since the discharge gates 50a, 50b, 50c, and 50d are formed in the longitudinal direction of the case 10, the discharge direction of the cold air can be broadly expanded, and cooling is required as the discharge radius of the cold air is widened. Shortening the time increases the cooling efficiency, there is an excellent effect to increase the consumer's reliability.

The heat exchangers 20a and 20b generate cold air by heat-exchanging the cool refrigerant on the pipe inside the air and the air introduced into the case 10 with each other.

In an embodiment, the heat exchangers 20a and 20b are preferably arranged vertically to face the slim fans 80a and 80b, respectively.

In the figure, a total of two heat exchangers 20a and 20b are provided, and the heat exchangers 20a and 20b are provided to face the slim fans 80a and 80b, respectively. However, the heat exchangers 20a and 20b may be added according to the number of the slim fans 80a and 80b.

The slim fans 80a and 80b inject air into the case 10 through the suction gates 40a, 40b and 40c or discharge the cold air generated by the heat exchangers 20a and 20b. Driving to discharge to the outside of the case 10 through the 50b, 50c, 50d.

In an embodiment, the slim fans 80a and 80b are preferably of sirocco fan type or turbofan type.

The slim fans 80a and 80b preferably have a width h1 and h2 of 2/3 to 1/3, and most preferably 1/2, as compared to a conventional sirocco fan or turbofan.

In the drawing, two slim fans 80a and 80b are provided in the upper and lower sides of the case 10, and as mentioned while describing the heat exchangers 20a and 20b, the slam fans 80a and 80b are heat exchanged. It is provided so as to face groups 20a and 20b, respectively.

The slim fans 80a and 80b are provided along the longitudinal direction of the case 10 and the heat exchangers 20a and 20b are disposed in the vertical direction so as to face the slim fans 80a and 80b, respectively. There is an advantage that can be made slimmer by significantly reducing the width (h3) of (10).

The slim fans 80a and 80b and the heat exchangers 20a and 20b are preferably provided in pairs, respectively, in the housings 30a and 30b in which air communication paths are formed.

Hereinafter will be described in detail the operation of the power saving air conditioner according to the present invention.

According to the present invention, as shown in FIG. 3, when the first compressor 110 and the second compressor 120 are operated at the same time, the first compressor 110 and the second compressor 120 in the The compressed gaseous refrigerant is introduced into the outdoor unit 150 through the check valves 200 and 210 mounted at the outlet end thereof, and then heat-exchanged with external air to be converted into a liquid refrigerant, which is the first solenoid valve 160. ) And the second solenoid valve 170 flows into the first indoor chamber 130 and the second indoor chamber 140, respectively, and then heat exchanges with the indoor air to be converted into gaseous refrigerant, and then passes through the accumulator 190 again. The cooling process is performed while repeating the flow into the first compressor 110 and the second compressor 120.

Meanwhile, when only the first compressor 110 is operated alone, the gaseous refrigerant compressed by the first compressor 110 flows into the outdoor unit 150 through the check valve 200 mounted at the outlet thereof. After the heat exchange with the external air is converted into a liquid refrigerant, the liquid refrigerant is introduced into the first indoor unit 130 through the first solenoid valve 160 and then heat exchanged with the indoor air is converted into a gas phase refrigerant In addition, the process of repeating the flow into the first compressor 110 through the accumulator 190 is repeated. At this time, the second solenoid valve 170 is closed to block the refrigerant from flowing to the second chamber 140. Therefore, the air conditioner according to the present invention can perform a power saving cooling function.

In addition, looking at the operation of the first indoor 130 and the second indoor 140 according to the present invention, as shown in Figures 4 to 6, when the first slim fan (80a, 80b) is operating of the case 10 Air is sucked in through the suction gates 40a, 40b, and 40c provided on the rear surface, and the sucked air is heat-exchanged by the heat exchangers 20a and 20b to generate cold air, and the cold air is slim fans 80a and 80b. By the continuous operation of these discharged through the discharge gate (50a, 50b, 50c, 50d) to the case 10.

As described above, according to the present invention, since the evaporator provided in the indoor unit is installed in the upper and lower ends and controlled independently, the energy can be reduced, and the discharge gates of the indoor unit are formed in the longitudinal direction of the case. The discharge direction of the cold air can be broadly expanded, and as the discharge radius of the cold air is widened, the time required for cooling is shortened, thereby increasing the cooling efficiency and improving the consumer's reliability.

In addition, the present invention has the effect that the slim fan is provided along the longitudinal direction of the case and the heat exchangers are disposed in the vertical direction so as to face each of the slim fans, thereby significantly reducing the width of the case and slimming.

Claims (2)

First and second compressors that operate independently or simultaneously to compress the refrigerant; An outdoor unit connected to the first and second compressors along a pipe; And Pipes extending from the outdoor unit are branched to allow the first and second indoor units connected to each other with the first and second solenoid valves intermittently intermittently interlocked with the operating state of the first and second compressors. While the cooling cycle takes place, The first indoor and the second indoor, the case having a plurality of suction gates on the rear or front and a plurality of discharge gates on both sides; A plurality of heat exchangers for generating cold air by heat-exchanging the cool refrigerant on the pipe inside the case and the outside air introduced into the case; And A plurality of slim fans which drive air into the case through the suction gates or discharge cool air generated by the heat exchanger to the outside of the case through the discharge gates; The slim fan is provided along the longitudinal direction of the case to reduce the width of the case to be slim, and the heat exchanger is disposed in the vertical direction so as to face the slim fans, respectively. The method of claim 1, The slim fan is a sirocco fan type or a turbo fan type, the power saving air conditioner, characterized in that the width is 2/3 to 1/3 compared to the conventional sirocco fan or turbo fan.

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