KR100629344B1 - Condensing tumble dryer - Google Patents

Abstract

In the air-cooled condensation type dryer according to the present invention, since the cooling air passing through the cooling communication path of the condenser is introduced into the circulation passage through the induction means, the temperature rise inside the cabinet may occur when the cooling air is discharged into the cabinet. And by reducing the thermal load of the motor it is possible to prevent damage to the motor, etc., there is an advantage that can eliminate the discharge noise and discomfort generated when discharging the cooling air to the outside of the cabinet.

Air cooled condenser dryer, drum, circulation passage, condenser, circulation passage, cooling passage, cabinet

Description

Air-cooled Condensation Dryer {Condensing tumble dryer}             

1 is a schematic configuration diagram of an air-cooled condensation type dryer according to the prior art.

2 is a schematic configuration diagram of a first embodiment of an air-cooled condensation type dryer according to the present invention;

3 is a partially cutaway perspective view of a first embodiment of an air-cooled condensation dryer according to the present invention;

4 is a front view illustrating the circulation passage shown in FIG. 1;

5 is a schematic configuration diagram of a second embodiment of an air-cooled condensation type dryer according to the present invention;

6 is a partially cutaway perspective view of a second embodiment of an air-cooled condensation dryer according to the present invention.

<Explanation of symbols on main parts of the drawings>

100: cabinet 110: drum

120: circulation passage 122: lint duct

124: first circulation duct 126: circulation fan housing

128: second circulation duct 130: circulation fan

140: cooling air intake passage 142: first intake duct

142: cooling fan housing 146: second suction duct

150: cooling fan 162: circulation communication path

164: cooling communication path 166: condenser

170: guide duct 170 ': suction hole

172: orifice 180: heater

182: filter 190: motor

192: belt

The present invention relates to an air-cooled condensation type dryer, and more particularly, to an air-cooled condensation type dryer in which cooling air condensed with circulating air is introduced into a circulation passage.

In general, a dryer is a device for drying clothes and the like (hereinafter, referred to as 'po'), and is generally divided into a condensation type and an exhaust type.

The condensation dryer is a method of removing the moisture of the fabric by condensing the air to dry the fabric by sensible heat exchange, the exhaust dryer is a method of discharging the air to dry the fabric to the outside.

The condensation dryer is further divided into an air-cooled condensation dryer and a water-cooled condensation dryer according to the cooling fluid.

The water-cooled condensation dryer is a method of removing water by installing a condenser in a part of a circulation flow path of circulating air and supplying cooling water of low temperature to the condenser to generate condensation of circulating air.

The water-cooled condensation dryer has to supply a separate cooling water for condensation of the circulating air and has a long drying time.

On the other hand, the air-cooled condensation type dryer is installed in a condenser on the circulation passage, and the cooling air from the outside to pass through the condenser by the cooling air generates a condensation of the circulating air to remove moisture.

1 is a schematic view showing a flow path of circulating air and cooling air of an air-cooled condensation type dryer according to the prior art.

As shown in Fig. 1, in the conventional air-cooled condensation type dryer, a drum 4, which is accommodated for drying the fabric inside the cabinet 2, is rotatably disposed.

In the cabinet 2, a circulation passage 6 is formed to circulate air in the drum 4.

The circulation passage 6 is provided with a circulation fan 8 so that air in the drum 4 can be circulated back into the drum 4 after passing through the circulation passage 6.

The circulation passage 6 is provided with a filter 10 for filtering lint and the like in the air discharged from the drum 4 to the circulation passage 6.

The circulation passage 6 is provided with a condenser 12 for condensing the air passing through the filter 10 with the cooling air.

The circulation passage 6 is provided with a heater 14 for heating the air condensed in the condenser 10.

On the other hand, the condenser 12 communicates with the cooling air suction passage 16 so that the cooling air outside the cabinet 2 is guided to the condenser 12.

The cooling air intake passage 16 is provided with a cooling fan 18 for blowing cooling air outside the cabinet 2 to the condenser 12.

Reference numeral 20 denotes a motor installed to rotate the circulation fan 8 and the cooling fan 18 integrally, and reference numeral 22 denotes the drum 4 so that the drum 4 may rotate when the blower motor 20 is driven. The belt is wound around the rotating shaft of the motor 20 and the outer circumferential surface of the drum 4.

Referring to the operation of the conventional air-cooled condensation type dryer configured as described above are as follows.

First, when the cooling fan 18 rotates, cooling air outside the cabinet 2 passes through the condenser 12 through the cooling air intake passage 16, and then the cabinet 2 It is exhausted inside or outside of the room.

On the other hand, when the circulation fan 8 is rotated, air in the drum 4 flows into the circulation flow path 6 so that lint or the like is caught in the filter 10 and passes through the condenser 10. The heat is deprived of the cooling air passing through the condenser 12 and condensed, thereby dehydrating moisture, which is heated by the heater 14 and is changed to high temperature and low humidity.

The high temperature and low humidity air is circulated to the drum 4 so as to exchange heat / material with the fabric in the drum 4 to change to low temperature and high humidity, and the air in the drum 4 repeats the circulation / condensation / heating as described above. The fabric will continue to dry.

However, in the air-cooled condensation type dryer according to the prior art, the cooling air passing through the condenser 12 is exhausted into the interior or exterior (indoor) of the cabinet 2 in a state of medium temperature (50-60 ° C.). 2) If the exhaust of the inside not only may adversely affect the motor 20, etc., but also the interior of the cabinet (2) is not clean, when discharged to the outside (indoor) may increase the room temperature may be unpleasant to the user In addition, there is a problem that emissions noise is generated.

The present invention has been made to solve the above-mentioned problems of the prior art, to provide an air-cooled condensation type dryer that does not adversely affect the motor or raise the room temperature by introducing the cooling air passing through the condenser into the circulation passage. The purpose is.

The drum is accommodated in accordance with the present invention for solving the above problems; A circulation passage provided to circulate the air drying the cloth; A cooling air suction passage installed to suck the cooling air; A condenser provided on the circulation passage and having a circulation communication passage communicating with the circulation passage and a cooling communication passage communicating with the cooling air suction passage; And induction means for guiding cooling air passing through the cooling communication path to the circulation passage.

The guide means is characterized in that the guide duct is installed so that one end of the communication passage and the circulation passage and the other end.

The guide duct is in communication with the circulation communication path in the back of the circulation passage.

The induction means is characterized in that it comprises a suction hole formed on one side of the circulation passage so that the air passing through the cooling communication path is sucked into the circulation passage.

The suction hole is characterized in that formed behind the circulation communication path in the circulation flow path.

The guide means is characterized in that it further comprises an orifice formed in the circulation passage so that the air passing through the cooling communication path is sucked into the suction hole portion by the pressure difference.

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

2 is a schematic configuration diagram of a first embodiment of an air-cooled condensation type dryer according to the present invention.

In the air-cooled condensation type dryer according to the present embodiment, as shown in FIG. 2, a drum 110 in which a cloth is accommodated is rotatably supported inside the cabinet 100 forming an external appearance.

The circulation passage 120 is installed inside the cabinet 100 so that the air drying the cloth is circulated while passing through the drum 110, and a circulation fan 130 is installed on the circulation passage 120. do.

Inside the cabinet 100, a cooling air suction passage 140 is installed through which cooling air (silver wire) for condensing air (solid line) passing through the circulation passage 120 is installed. The cooling fan 150 is installed on the suction passage 140.

In addition, a circulation communication path 162 installed on the circulation flow path 120 and communicating with the circulation flow path and a cooling communication path 164 communicating with the cooling air suction flow path are formed inside the cabinet 100. Condenser 166 is installed.

On the other hand, the induction means 170 for guiding the cooling air passing through the cooling communication path 164 to the circulation passage 120 is installed inside the cabinet 100.

Reference numeral 180 is a heater installed on the circulation passage 120 so that the circulation air condensed in the condenser 166 may be circulated to the drum 110 after being heated.

Reference numeral 182 denotes a lint filter installed on the circulation flow path 120 to filter lint in the air moved from the drum 110 to the circulation flow path 120.

Reference numeral 190 is a motor installed to rotate the circulation fan 130 and the cooling fan 150.

Reference numeral 192 denotes a belt wound around the rotating shaft of the motor 190 and the drum so that the drum 110 can be rotated when the circulation fan 130 and the cooling fan 150 rotate.

Figure 3 is a partially cutaway perspective view of a first embodiment of an air-cooled condensation type dryer according to the present invention, Figure 4 is a front view showing the circulation passage shown in Figure 2, Figure 5 is a circulation fan and cooling fan shown in FIG. It is sectional drawing which shows the air suction flow path for cooling.

The cabinet 100 may include a base cover 102, a cabinet body 104 disposed above the base fan, and a cabinet cover disposed on a front surface of the cabinet body 104 and having a po-out hole (not shown). 106 and a top cover 108 disposed above the cabinet body 104.

The cabinet cover 106 is equipped with a door 107 for opening and closing the gun entrance hole of the cabinet cover 106.

The drum 110 is provided with a sufficient cloth receiving space therein, the lift 112 is disposed on the inner circumferential surface so that the fabric can be lifted up and down.

As shown in FIGS. 3 and 4, the circulation passage 120 is disposed between the lower end of the drum 110 and the front of the circulation communication passage 162 of the condenser 166 and the filter ( A lint duct 122 provided with a 182, a first circulation duct 124 communicating with a rear of the circulation communication path 162 of the condenser 166, and a circulation fan communicating with the first circulation duct therein. A circulation fan housing 126 having a built-in 130, and a second circulation duct 128 in communication with the circulation fan housing 126, in communication with a rear of the drum 110, and having the heater 180 embedded therein. Is formed by

As shown in FIGS. 3 and 5, the cooling air suction passage 140 may include a first suction duct 142 installed to suck cooling air (dashed lines) outside the cabinet 100 and the first suction duct 142. A second suction duct communicating with the suction duct 142 and communicating with the cooling fan housing 144 in which the cooling fan 150 is built, and the cooling communication path 164 of the cooling fan housing 144 and the condenser. 146 is formed.

The condenser 166 has the circulation communication path 162 formed in the front-rear direction, the cooling communication path 164 is formed in the left-right direction, and the circulation communication path 162 and the cooling communication path 164 is a heat transfer plate. It is formed alternately up and down with (not shown), the air passing through the circulation communication path 162 is condensed while losing heat to the cooling air passing through the cooling communication path (164).

The guide unit 170 is a guide duct installed so that one end communicates with the cooling communication path 164 of the condenser 166 and the other end communicates with the circulation passage 120.

The guide duct 170 is in communication with the rear of the circulation communication path 162, in particular the first circulation duct 124 of the circulation flow path 120.

Looking at the operation of the air-cooled condenser configured as described above are as follows.

First, after the cloth is introduced into the drum 110, when the door 107 is closed and the air-cooled condensation dryer is operated, the motor 190 is driven and the heater 180 is turned on.

When the motor 190 is driven, the belt 200 rotates the drum 110, and the circulation fan 130 is rotated to circulate air in the drum 110 to the circulation passage 120. The cooling fan 150 sucks air outside the cabinet 100 through the cooling air suction passage 140 and blows the air to the cooling communication path 164 of the condenser 166.

When the drum 110 rotates, the cloth in the drum 110 flows, and the air inside the drum 110 changes to low temperature and humidity by exchanging heat / material with the cloth, and is discharged to the circulation passage 120.

The low temperature and humid air discharged into the circulation passage 120 is caught by the filter 182, such as lint, and then moved to the front of the circulation communication passage 162 of the condenser 166.

The circulation air (solid line) in front of the circulation communication path 162 has a temperature of about 70 ° C. and a relative humidity of about 90%, and passes through the circulation communication path 162 and the cooling communication path 164. The cooling air (dotted line) passing through the heat is condensed and condensed, and the circulation air behind the circulation communication path 162 has a temperature of about 65 ° C and a relative humidity of about 100%.

Meanwhile, the circulated air condensed as described above passes through the first circulation duct 124 and the circulation fan housing 126 in order to move to the second circulation duct 128, and the second circulation duct 128 Heated by the heater 180 while passing through, and then circulated to the drum (110).

The air circulated to the drum 110 is changed to low temperature and humidity again by exchanging heat / material with the cloth, and then continues to dry the cloth while repeating the above circulation / condensation / heating.

Meanwhile, the cooling air (dotted line) blown into the cooling communication path 164 of the condenser 166 has a temperature of about 30 ° C. and a relative humidity of about 65 immediately before flowing into the cooling communication path 164. %, Depriving heat of the circulating air (solid line) passing through the circulation communication path 162 while passing through the cooling communication path 164, and after passing through the cooling communication path 164, the temperature is approximately 60 degrees. It is about ℃, and the relative humidity is about 30%.

The cooling air heated while passing through the cooling communication path 164 is guided to the guide duct 170, and is sucked into the circulation passage 120, particularly the first circulation duct 124.

The cooling air guided by the guide duct 170 to the first circulation duct 124 is combined with the circulation air (solid line) passing through the circulation communication path 162 of the condenser 166, and then the heater Heated by 180 is introduced into the drum 110.

5 is a schematic structural diagram of a second embodiment of an air-cooled condensation dryer according to the present invention, and FIG. 6 is a partially cutaway perspective view of a second embodiment of an air-cooled condensation dryer according to the present invention.

As shown in FIGS. 5 and 6, the air-cooled condensation dryer according to the present embodiment may allow the air passing through the cooling communication path 164 of the condenser 166 to be sucked into the circulation passage 120 as shown in FIGS. 5 and 6. It consists of a suction hole 170 'formed on one side of the circulation passage (120).

The suction hole 170 ′ is formed behind the circulation communication path 162, in particular, in the first circulation duct 124 of the circulation flow path 120.

The guiding means includes an orifice 172 formed in the circulation passage 120 so that air passing through the cooling communication passage 164 can be sucked into the suction hole 170 'by the pressure difference.

Other configurations and operations other than the suction hole 170 'and the orifice 172 are the same as those of the first embodiment of the present invention, and the same reference numerals are used and detailed description thereof will be omitted.

The air-cooled condenser configured as described above is heated while the cooling air passes through the cooling communication path 164 of the condenser 166, and is then sucked into the circulation passage 120, in particular, the first circulation duct 124 by the pressure difference. do.

The air-cooled condensation type dryer according to the present invention configured as described above may be generated when the cooling air passing through the cooling communication path of the condenser is introduced into the circulation passage through the induction means, and thus the cooling air is discharged into the cabinet. By lowering the temperature inside the cabinet and reducing the thermal load of the motor, damage to the motor and the like can be prevented, and there is an advantage of eliminating discharge noise and discomfort generated when discharging cooling air to the outside of the cabinet.

In addition, in the air-cooled condensation type dryer according to the present invention, cooling air is heated / dehumidified while passing through a cooling communication path of the condenser, and then heated low-humidity air (about 60 ° C., humidity 30%) is the circulation flow path. Since it is introduced into the drum through, there is an advantage that can reduce the drying energy, such as heater power consumption.

In addition, the guide means is made of a guide duct installed so that one end of the cooling communication passage and the circulation passage and the other end, there is an advantage that the leakage of cooling air is minimized.

In addition, the induction means is configured to include a suction hole formed on one side of the circulation passage so that the air passing through the cooling communication path to the circulation passage, there is an advantage that the internal structure of the cabinet is simple.

In addition, the induction means is configured to include an orifice formed in the circulation passage so that the air passing through the cooling communication path is sucked into the suction hole by the pressure difference, it is possible to quickly guide the cooling air to the circulation passage There is an advantage to this.

Claims (6)

A drum in which the bag is accommodated; A circulation passage provided to circulate the air drying the cloth; A cooling air suction passage installed to suck the cooling air; A condenser provided on the circulation passage and having a circulation communication passage communicating with the circulation passage and a cooling communication passage communicating with the cooling air suction passage; And an induction means for guiding the cooling air passing through the cooling communication path to the circulation passage. The method of claim 1, The guide means is an air-cooled condensation type dryer, characterized in that the guide duct installed so that one end of the cooling communication passage and the circulation passage and the other end. The method of claim 2, And the guide duct communicates behind the circulation communication path in the circulation flow path. The method of claim 1, And the induction means comprises a suction hole formed at one side of the circulation passage so that air passing through the cooling communication passage is sucked into the circulation passage. The method of claim 4, wherein The air intake condensation dryer, characterized in that the suction hole is formed behind the circulation communication path in the circulation passage. The method according to any one of claims 2 to 5, And the induction means further comprises an orifice formed in the circulation passage so that air passing through the cooling communication path is sucked into the suction hole by a pressure difference.

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